[pve-devel] [PATCH xtermjs 1/3] upgrade xterm.js to version 4.3.0
Dominik Csapak
d.csapak at proxmox.com
Tue Jan 21 15:38:27 CET 2020
adapt version of xterm.js
also download and unpack xterm-addon-fit
replace addon/fit/fit.js[.map] with xterm-addon-fit.js[.map]
Signed-off-by: Dominik Csapak <d.csapak at proxmox.com>
---
Makefile | 12 +-
src/www/addons/fit/fit.js | 51 -
src/www/addons/fit/fit.js.map | 1 -
src/www/xterm-addon-fit.js | 2 +
src/www/xterm-addon-fit.js.map | 1 +
src/www/xterm.css | 6 +-
src/www/xterm.js | 10219 +------------------------------
src/www/xterm.js.map | 2 +-
8 files changed, 18 insertions(+), 10276 deletions(-)
delete mode 100644 src/www/addons/fit/fit.js
delete mode 100644 src/www/addons/fit/fit.js.map
create mode 100644 src/www/xterm-addon-fit.js
create mode 100644 src/www/xterm-addon-fit.js.map
diff --git a/Makefile b/Makefile
index 6c98ddb..836c171 100644
--- a/Makefile
+++ b/Makefile
@@ -4,9 +4,12 @@ PACKAGE=pve-xtermjs
export VERSION=${DEB_VERSION_UPSTREAM_REVISION}
-XTERMJSVER=3.13.2
+XTERMJSVER=4.3.0
XTERMJSTGZ=xterm-${XTERMJSVER}.tgz
+FITADDONVER=0.3.0
+FITADDONTGZ=xterm-addon-fit-${FITADDONVER}.tgz
+
SRCDIR=src
BUILDDIR ?= ${PACKAGE}-${DEB_VERSION_UPSTREAM}
GITVERSION:=$(shell git rev-parse HEAD)
@@ -40,9 +43,12 @@ X_EXCLUSIONS=--exclude=addons/attach --exclude=addons/fullscreen --exclude=addon
.PHONY: download
download:
wget https://registry.npmjs.org/xterm/-/${XTERMJSTGZ} -O ${XTERMJSTGZ}.tmp
+ wget https://registry.npmjs.org/xterm-addon-fit/-/${FITADDONTGZ} -O ${FITADDONTGZ}.tmp
mv ${XTERMJSTGZ}.tmp ${XTERMJSTGZ}
- tar -C $(SRCDIR)/www -xf ${XTERMJSTGZ} package/dist --strip-components=2 ${X_EXCLUSIONS}
- rm ${XTERMJSTGZ}
+ mv ${FITADDONTGZ}.tmp ${FITADDONTGZ}
+ tar -C $(SRCDIR)/www -xf ${XTERMJSTGZ} package/lib package/css --strip-components=2 ${X_EXCLUSIONS}
+ tar -C $(SRCDIR)/www -xf ${FITADDONTGZ} package/lib --strip-components=2 ${X_EXCLUSIONS}
+ rm ${XTERMJSTGZ} ${FITADDONTGZ}
.PHONY: upload
upload: ${DEB}
diff --git a/src/www/addons/fit/fit.js b/src/www/addons/fit/fit.js
deleted file mode 100644
index b137d99..0000000
--- a/src/www/addons/fit/fit.js
+++ /dev/null
@@ -1,51 +0,0 @@
-(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.fit = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-function proposeGeometry(term) {
- if (!term.element.parentElement) {
- return null;
- }
- var parentElementStyle = window.getComputedStyle(term.element.parentElement);
- var parentElementHeight = parseInt(parentElementStyle.getPropertyValue('height'));
- var parentElementWidth = Math.max(0, parseInt(parentElementStyle.getPropertyValue('width')));
- var elementStyle = window.getComputedStyle(term.element);
- var elementPadding = {
- top: parseInt(elementStyle.getPropertyValue('padding-top')),
- bottom: parseInt(elementStyle.getPropertyValue('padding-bottom')),
- right: parseInt(elementStyle.getPropertyValue('padding-right')),
- left: parseInt(elementStyle.getPropertyValue('padding-left'))
- };
- var elementPaddingVer = elementPadding.top + elementPadding.bottom;
- var elementPaddingHor = elementPadding.right + elementPadding.left;
- var availableHeight = parentElementHeight - elementPaddingVer;
- var availableWidth = parentElementWidth - elementPaddingHor - term._core.viewport.scrollBarWidth;
- var geometry = {
- cols: Math.floor(availableWidth / term._core.renderer.dimensions.actualCellWidth),
- rows: Math.floor(availableHeight / term._core.renderer.dimensions.actualCellHeight)
- };
- return geometry;
-}
-exports.proposeGeometry = proposeGeometry;
-function fit(term) {
- var geometry = proposeGeometry(term);
- if (geometry) {
- if (term.rows !== geometry.rows || term.cols !== geometry.cols) {
- term._core.renderer.clear();
- term.resize(geometry.cols, geometry.rows);
- }
- }
-}
-exports.fit = fit;
-function apply(terminalConstructor) {
- terminalConstructor.prototype.proposeGeometry = function () {
- return proposeGeometry(this);
- };
- terminalConstructor.prototype.fit = function () {
- fit(this);
- };
-}
-exports.apply = apply;
-
-},{}]},{},[1])(1)
-});
-//# sourceMappingURL=fit.js.map
diff --git a/src/www/addons/fit/fit.js.map b/src/www/addons/fit/fit.js.map
deleted file mode 100644
index 5f1042e..0000000
--- a/src/www/addons/fit/fit.js.map
+++ /dev/null
@@ -1 +0,0 @@
-{"version":3,"file":"fit.js","sources":["../../../src/addons/fit/fit.ts","../../../node_modules/browser-pack/_prelude.js"],"sourcesContent":["/**\n * Copyright (c) 2014 The xterm.js authors. All rights reserved.\n * @license MIT\n *\n * Fit terminal columns and rows to the dimensions of its DOM element.\n *\n * ## Approach\n *\n * Rows: Truncate the division of the terminal parent element height by the\n * terminal row height.\n * Columns: Truncate the division of the terminal parent element width by the\n * terminal character width (apply display: inline at the terminal\n * row and truncate its width with the current number of columns).\n */\n\nimport { Terminal } from 'xterm';\n\nexport interface IGeometry {\n rows: number;\n cols: number;\n}\n\nexport function proposeGeometry(term: Terminal): IGeometry {\n if (!term.element.parentElement) {\n return null;\n }\n const parentElementStyle = window.getComputedStyle(term.element.parentElement);\n const parentElementHeight = parseInt(parentElementStyle.getPropertyValue('height'));\n const parentElementWidth = Math.max(0, parseInt(parentElementStyle.getPropertyValue('width')));\n const elementStyle = window.getComputedStyle(term.element);\n const elementPadding = {\n top: parseInt(elementStyle.getPropertyValue('padding-top')),\n bottom: parseInt(elementStyle.getPropertyValue('padding-bottom')),\n right: parseInt(elementStyle.getPropertyValue('padding-right')),\n left: parseInt(elementStyle.getPropertyValue('padding-left'))\n };\n const elementPaddingVer = elementPadding.top + elementPadding.bottom;\n const elementPaddingHor = elementPadding.right + elementPadding.left;\n const availableHeight = parentElementHeight - elementPaddingVer;\n const availableWidth = parentElementWidth - elementPaddingHor - (<any>term)._core.viewport.scrollBarWidth;\n const geometry = {\n cols: Math.floor(availableWidth / (<any>term)._core.renderer.dimensions.actualCellWidth),\n rows: Math.floor(availableHeight / (<any>term)._core.renderer.dimensions.actualCellHeight)\n };\n return geometry;\n}\n\nexport function fit(term: Terminal): void {\n const geometry = proposeGeometry(term);\n if (geometry) {\n // Force a full render\n if (term.rows !== geometry.rows || term.cols !== geometry.cols) {\n (<any>term)._core.renderer.clear();\n term.resize(geometry.cols, geometry.rows);\n }\n }\n}\n\nexport function apply(terminalConstructor: typeof Terminal): void {\n (<any>terminalConstructor.prototype).proposeGeometry = function (): IGeometry {\n return proposeGeometry(this);\n };\n\n (<any>terminalConstructor.prototype).fit = function (): void {\n fit(this);\n };\n}\n",null],"names":[],"mappings":"ACAA;;;ADsBA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AAvBA;AAyBA;AACA;AACA;AAEA;AACA;AACA;AACA;AACA;AACA;AATA;AAWA;AACA;AACA;AACA;AAEA;AACA;AACA;AACA;AARA;"}
\ No newline at end of file
diff --git a/src/www/xterm-addon-fit.js b/src/www/xterm-addon-fit.js
new file mode 100644
index 0000000..709e60a
--- /dev/null
+++ b/src/www/xterm-addon-fit.js
@@ -0,0 +1,2 @@
+!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.FitAddon=t():e.FitAddon=t()}(window,function(){return function(e){var t={};function r(n){if(t[n])return t[n].exports;var o=t[n]={i:n,l:!1,exports:{}};return e[n].call(o.exports,o,o.exports,r),o.l=!0,o.exports}return r.m=e,r.c=t,r.d=function(e,t,n){r.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:n})},r.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},r.t=function(e,t){if(1&t&&(e=r(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var n=Object.create(null);if(r.r(n),Object.defineProperty(n,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var o in e)r.d(n,o,function(t){return e[t]}.bind(null,o));return n},r.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return r.d(t,"a",t),t},r.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},r.p="",r(r.s=0)}([function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var n=function(){function e(){}return e.prototype.activate=function(e){this._terminal=e},e.prototype.dispose=function(){},e.prototype.fit=function(){var e=this.proposeDimensions();if(e&&this._terminal){var t=this._terminal._core;this._terminal.rows===e.rows&&this._terminal.cols===e.cols||(t._renderService.clear(),this._terminal.resize(e.cols,e.rows))}},e.prototype.proposeDimensions=function(){if(this._terminal&&this._terminal.element&&this._terminal.element.parentElement){var e=this._terminal._core,t=window.getComputedStyle(this._terminal.element.parentElement),r=parseInt(t.getPropertyValue("height")),n=Math.max(0,parseInt(t.getPropertyValue("width"))),o=window.getComputedStyle(this._terminal.element),i=r-(parseInt(o.getPropertyValue("padding-top"))+parseInt(o.getPropertyValue("padding-bottom"))),a=n-(parseInt(o.getPropertyValue("padding-right"))+parseInt(o.getPropertyValue("padding-left")))-e.viewport.scrollBarWidth;return{cols:Math.max(2,Math.floor(a/e._renderService.dimensions.actualCellWidth)),rows:Math.max(1,Math.floor(i/e._renderService.dimensions.actualCellHeight))}}},e}();t.FitAddon=n}])});
+//# sourceMappingURL=xterm-addon-fit.js.map
\ No newline at end of file
diff --git a/src/www/xterm-addon-fit.js.map b/src/www/xterm-addon-fit.js.map
new file mode 100644
index 0000000..b080faa
--- /dev/null
+++ b/src/www/xterm-addon-fit.js.map
@@ -0,0 +1 @@
+{"version":3,"sources":["webpack://FitAddon/webpack/universalModuleDefinition","webpack://FitAddon/webpack/bootstrap","webpack://FitAddon/./src/FitAddon.ts"],"names":["root","factory","exports","module","define","amd","window","installedModules","__webpack_require__","moduleId","i","l","modules","call","m","c","d","name","getter","o","Object","defineProperty","enumerable","get","r","Symbol","toStringTag","value","t","mode","__esModule","ns","create","key","bind","n","object","property","prototype","hasOwnProperty","p","s","activate","terminal","this","_terminal","dispose","fit","dims","proposeDimensions","core","_core","rows","cols","_renderService","clear","resize","element","parentElement","parentElementStyle","getComputedStyle","parentElementHeight","parseInt","getPropertyValue","parentElementWidth","Math","max","elementStyle","availableHeight","availableWidth","viewport","scrollBarWidth","floor","dimensions","actualCellWidth","actualCellHeight","FitAddon"],"mappings":"CAAA,SAA2CA,EAAMC,GAC1B,iBAAZC,SAA0C,iBAAXC,OACxCA,OAAOD,QAAUD,IACQ,mBAAXG,QAAyBA,OAAOC,IAC9CD,OAAO,GAAIH,GACe,iBAAZC,QACdA,QAAkB,SAAID,IAEtBD,EAAe,SAAIC,IARrB,CASGK,OAAQ,WACX,O,YCTE,IAAIC,EAAmB,GAGvB,SAASC,EAAoBC,GAG5B,GAAGF,EAAiBE,GACnB,OAAOF,EAAiBE,GAAUP,QAGnC,IAAIC,EAASI,EAAiBE,GAAY,CACzCC,EAAGD,EACHE,GAAG,EACHT,QAAS,IAUV,OANAU,EAAQH,GAAUI,KAAKV,EAAOD,QAASC,EAAQA,EAAOD,QAASM,GAG/DL,EAAOQ,GAAI,EAGJR,EAAOD,QA0Df,OArDAM,EAAoBM,EAAIF,EAGxBJ,EAAoBO,EAAIR,EAGxBC,EAAoBQ,EAAI,SAASd,EAASe,EAAMC,GAC3CV,EAAoBW,EAAEjB,EAASe,IAClCG,OAAOC,eAAenB,EAASe,EAAM,CAAEK,YAAY,EAAMC,IAAKL,KAKhEV,EAAoBgB,EAAI,SAAStB,GACX,oBAAXuB,QAA0BA,OAAOC,aAC1CN,OAAOC,eAAenB,EAASuB,OAAOC,YAAa,CAAEC,MAAO,WAE7DP,OAAOC,eAAenB,EAAS,aAAc,CAAEyB,OAAO,KAQvDnB,EAAoBoB,EAAI,SAASD,EAAOE,GAEvC,GADU,EAAPA,IAAUF,EAAQnB,EAAoBmB,IAC/B,EAAPE,EAAU,OAAOF,EACpB,GAAW,EAAPE,GAA8B,iBAAVF,GAAsBA,GAASA,EAAMG,WAAY,OAAOH,EAChF,IAAII,EAAKX,OAAOY,OAAO,MAGvB,GAFAxB,EAAoBgB,EAAEO,GACtBX,OAAOC,eAAeU,EAAI,UAAW,CAAET,YAAY,EAAMK,MAAOA,IACtD,EAAPE,GAA4B,iBAATF,EAAmB,IAAI,IAAIM,KAAON,EAAOnB,EAAoBQ,EAAEe,EAAIE,EAAK,SAASA,GAAO,OAAON,EAAMM,IAAQC,KAAK,KAAMD,IAC9I,OAAOF,GAIRvB,EAAoB2B,EAAI,SAAShC,GAChC,IAAIe,EAASf,GAAUA,EAAO2B,WAC7B,WAAwB,OAAO3B,EAAgB,SAC/C,WAA8B,OAAOA,GAEtC,OADAK,EAAoBQ,EAAEE,EAAQ,IAAKA,GAC5BA,GAIRV,EAAoBW,EAAI,SAASiB,EAAQC,GAAY,OAAOjB,OAAOkB,UAAUC,eAAe1B,KAAKuB,EAAQC,IAGzG7B,EAAoBgC,EAAI,GAIjBhC,EAAoBA,EAAoBiC,EAAI,G,gFC/DrD,IAGA,aAGE,cAwDF,OAtDS,YAAAC,SAAP,SAAgBC,GACdC,KAAKC,UAAYF,GAGZ,YAAAG,QAAP,aAEO,YAAAC,IAAP,WACE,IAAMC,EAAOJ,KAAKK,oBAClB,GAAKD,GAASJ,KAAKC,UAAnB,CAKA,IAAMK,EAAaN,KAAKC,UAAWM,MAG/BP,KAAKC,UAAUO,OAASJ,EAAKI,MAAQR,KAAKC,UAAUQ,OAASL,EAAKK,OACpEH,EAAKI,eAAeC,QACpBX,KAAKC,UAAUW,OAAOR,EAAKK,KAAML,EAAKI,SAInC,YAAAH,kBAAP,WACE,GAAKL,KAAKC,WAILD,KAAKC,UAAUY,SAAYb,KAAKC,UAAUY,QAAQC,cAAvD,CAKA,IAAMR,EAAaN,KAAKC,UAAWM,MAE7BQ,EAAqBrD,OAAOsD,iBAAiBhB,KAAKC,UAAUY,QAAQC,eACpEG,EAAsBC,SAASH,EAAmBI,iBAAiB,WACnEC,EAAqBC,KAAKC,IAAI,EAAGJ,SAASH,EAAmBI,iBAAiB,WAC9EI,EAAe7D,OAAOsD,iBAAiBhB,KAAKC,UAAUY,SAStDW,EAAkBP,GAPjBC,SAASK,EAAaJ,iBAAiB,gBACpCD,SAASK,EAAaJ,iBAAiB,oBAO3CM,EAAiBL,GANdF,SAASK,EAAaJ,iBAAiB,kBACxCD,SAASK,EAAaJ,iBAAiB,kBAKiBb,EAAKoB,SAASC,eAK9E,MAJiB,CACflB,KAAMY,KAAKC,IAzDI,EAyDcD,KAAKO,MAAMH,EAAiBnB,EAAKI,eAAemB,WAAWC,kBACxFtB,KAAMa,KAAKC,IAzDI,EAyDcD,KAAKO,MAAMJ,EAAkBlB,EAAKI,eAAemB,WAAWE,sBAI/F,EA3DA,GAAa,EAAAC","file":"xterm-addon-fit.js","sourcesContent":["(function webpackUniversalModuleDefinition(root, factory) {\n\tif(typeof exports === 'object' && typeof module === 'object')\n\t\tmodule.exports = factory();\n\telse if(typeof define === 'function' && define.amd)\n\t\tdefine([], factory);\n\telse if(typeof exports === 'object')\n\t\texports[\"FitAddon\"] = factory();\n\telse\n\t\troot[\"FitAddon\"] = factory();\n})(window, function() {\nreturn "," \t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId]) {\n \t\t\treturn installedModules[moduleId].exports;\n \t\t}\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\ti: moduleId,\n \t\t\tl: false,\n \t\t\texports: {}\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.l = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// define getter function for harmony exports\n \t__webpack_require__.d = function(exports, name, getter) {\n \t\tif(!__webpack_require__.o(exports, name)) {\n \t\t\tObject.defineProperty(exports, name, { enumerable: true, get: getter });\n \t\t}\n \t};\n\n \t// define __esModule on exports\n \t__webpack_require__.r = function(exports) {\n \t\tif(typeof Symbol !== 'undefined' && Symbol.toStringTag) {\n \t\t\tObject.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });\n \t\t}\n \t\tObject.defineProperty(exports, '__esModule', { value: true });\n \t};\n\n \t// create a fake namespace object\n \t// mode & 1: value is a module id, require it\n \t// mode & 2: merge all properties of value into the ns\n \t// mode & 4: return value when already ns object\n \t// mode & 8|1: behave like require\n \t__webpack_require__.t = function(value, mode) {\n \t\tif(mode & 1) value = __webpack_require__(value);\n \t\tif(mode & 8) return value;\n \t\tif((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;\n \t\tvar ns = Object.create(null);\n \t\t__webpack_require__.r(ns);\n \t\tObject.defineProperty(ns, 'default', { enumerable: true, value: value });\n \t\tif(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));\n \t\treturn ns;\n \t};\n\n \t// getDefaultExport function for compatibility with non-harmony modules\n \t__webpack_require__.n = function(module) {\n \t\tvar getter = module && module.__esModule ?\n \t\t\tfunction getDefault() { return module['default']; } :\n \t\t\tfunction getModuleExports() { return module; };\n \t\t__webpack_require__.d(getter, 'a', getter);\n \t\treturn getter;\n \t};\n\n \t// Object.prototype.hasOwnProperty.call\n \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"\";\n\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(__webpack_require__.s = 0);\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { Terminal, ITerminalAddon } from 'xterm';\n\ninterface ITerminalDimensions {\n /**\n * The number of rows in the terminal.\n */\n rows: number;\n\n /**\n * The number of columns in the terminal.\n */\n cols: number;\n}\n\nconst MINIMUM_COLS = 2;\nconst MINIMUM_ROWS = 1;\n\nexport class FitAddon implements ITerminalAddon {\n private _terminal: Terminal | undefined;\n\n constructor() {}\n\n public activate(terminal: Terminal): void {\n this._terminal = terminal;\n }\n\n public dispose(): void {}\n\n public fit(): void {\n const dims = this.proposeDimensions();\n if (!dims || !this._terminal) {\n return;\n }\n\n // TODO: Remove reliance on private API\n const core = (<any>this._terminal)._core;\n\n // Force a full render\n if (this._terminal.rows !== dims.rows || this._terminal.cols !== dims.cols) {\n core._renderService.clear();\n this._terminal.resize(dims.cols, dims.rows);\n }\n }\n\n public proposeDimensions(): ITerminalDimensions | undefined {\n if (!this._terminal) {\n return undefined;\n }\n\n if (!this._terminal.element || !this._terminal.element.parentElement) {\n return undefined;\n }\n\n // TODO: Remove reliance on private API\n const core = (<any>this._terminal)._core;\n\n const parentElementStyle = window.getComputedStyle(this._terminal.element.parentElement);\n const parentElementHeight = parseInt(parentElementStyle.getPropertyValue('height'));\n const parentElementWidth = Math.max(0, parseInt(parentElementStyle.getPropertyValue('width')));\n const elementStyle = window.getComputedStyle(this._terminal.element);\n const elementPadding = {\n top: parseInt(elementStyle.getPropertyValue('padding-top')),\n bottom: parseInt(elementStyle.getPropertyValue('padding-bottom')),\n right: parseInt(elementStyle.getPropertyValue('padding-right')),\n left: parseInt(elementStyle.getPropertyValue('padding-left'))\n };\n const elementPaddingVer = elementPadding.top + elementPadding.bottom;\n const elementPaddingHor = elementPadding.right + elementPadding.left;\n const availableHeight = parentElementHeight - elementPaddingVer;\n const availableWidth = parentElementWidth - elementPaddingHor - core.viewport.scrollBarWidth;\n const geometry = {\n cols: Math.max(MINIMUM_COLS, Math.floor(availableWidth / core._renderService.dimensions.actualCellWidth)),\n rows: Math.max(MINIMUM_ROWS, Math.floor(availableHeight / core._renderService.dimensions.actualCellHeight))\n };\n return geometry;\n }\n}\n"],"sourceRoot":""}
\ No newline at end of file
diff --git a/src/www/xterm.css b/src/www/xterm.css
index 5448b5a..b3d8d4f 100644
--- a/src/www/xterm.css
+++ b/src/www/xterm.css
@@ -55,7 +55,7 @@
* The z-index of the helpers must be higher than the canvases in order for
* IMEs to appear on top.
*/
- z-index: 10;
+ z-index: 5;
}
.xterm .xterm-helper-textarea {
@@ -69,7 +69,7 @@
top: 0;
width: 0;
height: 0;
- z-index: -10;
+ z-index: -5;
/** Prevent wrapping so the IME appears against the textarea at the correct position */
white-space: nowrap;
overflow: hidden;
@@ -150,7 +150,7 @@
top: 0;
bottom: 0;
right: 0;
- z-index: 100;
+ z-index: 10;
color: transparent;
}
diff --git a/src/www/xterm.js b/src/www/xterm.js
index cf27b6a..aebe9e9 100644
--- a/src/www/xterm.js
+++ b/src/www/xterm.js
@@ -1,10217 +1,2 @@
-(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Terminal = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
-"use strict";
-var __extends = (this && this.__extends) || (function () {
- var extendStatics = function (d, b) {
- extendStatics = Object.setPrototypeOf ||
- ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
- function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
- return extendStatics(d, b);
- };
- return function (d, b) {
- extendStatics(d, b);
- function __() { this.constructor = d; }
- d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
- };
-})();
-Object.defineProperty(exports, "__esModule", { value: true });
-var Strings = require("./Strings");
-var Platform_1 = require("./common/Platform");
-var RenderDebouncer_1 = require("./ui/RenderDebouncer");
-var Lifecycle_1 = require("./ui/Lifecycle");
-var Lifecycle_2 = require("./common/Lifecycle");
-var MAX_ROWS_TO_READ = 20;
-var AccessibilityManager = (function (_super) {
- __extends(AccessibilityManager, _super);
- function AccessibilityManager(_terminal) {
- var _this = _super.call(this) || this;
- _this._terminal = _terminal;
- _this._liveRegionLineCount = 0;
- _this._charsToConsume = [];
- _this._accessibilityTreeRoot = document.createElement('div');
- _this._accessibilityTreeRoot.classList.add('xterm-accessibility');
- _this._rowContainer = document.createElement('div');
- _this._rowContainer.classList.add('xterm-accessibility-tree');
- _this._rowElements = [];
- for (var i = 0; i < _this._terminal.rows; i++) {
- _this._rowElements[i] = _this._createAccessibilityTreeNode();
- _this._rowContainer.appendChild(_this._rowElements[i]);
- }
- _this._topBoundaryFocusListener = function (e) { return _this._onBoundaryFocus(e, 0); };
- _this._bottomBoundaryFocusListener = function (e) { return _this._onBoundaryFocus(e, 1); };
- _this._rowElements[0].addEventListener('focus', _this._topBoundaryFocusListener);
- _this._rowElements[_this._rowElements.length - 1].addEventListener('focus', _this._bottomBoundaryFocusListener);
- _this._refreshRowsDimensions();
- _this._accessibilityTreeRoot.appendChild(_this._rowContainer);
- _this._renderRowsDebouncer = new RenderDebouncer_1.RenderDebouncer(_this._renderRows.bind(_this));
- _this._refreshRows();
- _this._liveRegion = document.createElement('div');
- _this._liveRegion.classList.add('live-region');
- _this._liveRegion.setAttribute('aria-live', 'assertive');
- _this._accessibilityTreeRoot.appendChild(_this._liveRegion);
- _this._terminal.element.insertAdjacentElement('afterbegin', _this._accessibilityTreeRoot);
- _this.register(_this._renderRowsDebouncer);
- _this.register(_this._terminal.onResize(function (e) { return _this._onResize(e.rows); }));
- _this.register(_this._terminal.onRender(function (e) { return _this._refreshRows(e.start, e.end); }));
- _this.register(_this._terminal.onScroll(function () { return _this._refreshRows(); }));
- _this.register(_this._terminal.addDisposableListener('a11y.char', function (char) { return _this._onChar(char); }));
- _this.register(_this._terminal.onLineFeed(function () { return _this._onChar('\n'); }));
- _this.register(_this._terminal.addDisposableListener('a11y.tab', function (spaceCount) { return _this._onTab(spaceCount); }));
- _this.register(_this._terminal.onKey(function (e) { return _this._onKey(e.key); }));
- _this.register(_this._terminal.addDisposableListener('blur', function () { return _this._clearLiveRegion(); }));
- _this.register(_this._terminal.addDisposableListener('dprchange', function () { return _this._refreshRowsDimensions(); }));
- _this.register(_this._terminal.renderer.onCanvasResize(function () { return _this._refreshRowsDimensions(); }));
- _this.register(Lifecycle_1.addDisposableDomListener(window, 'resize', function () { return _this._refreshRowsDimensions(); }));
- return _this;
- }
- AccessibilityManager.prototype.dispose = function () {
- _super.prototype.dispose.call(this);
- this._terminal.element.removeChild(this._accessibilityTreeRoot);
- this._rowElements.length = 0;
- };
- AccessibilityManager.prototype._onBoundaryFocus = function (e, position) {
- var boundaryElement = e.target;
- var beforeBoundaryElement = this._rowElements[position === 0 ? 1 : this._rowElements.length - 2];
- var posInSet = boundaryElement.getAttribute('aria-posinset');
- var lastRowPos = position === 0 ? '1' : "" + this._terminal.buffer.lines.length;
- if (posInSet === lastRowPos) {
- return;
- }
- if (e.relatedTarget !== beforeBoundaryElement) {
- return;
- }
- var topBoundaryElement;
- var bottomBoundaryElement;
- if (position === 0) {
- topBoundaryElement = boundaryElement;
- bottomBoundaryElement = this._rowElements.pop();
- this._rowContainer.removeChild(bottomBoundaryElement);
- }
- else {
- topBoundaryElement = this._rowElements.shift();
- bottomBoundaryElement = boundaryElement;
- this._rowContainer.removeChild(topBoundaryElement);
- }
- topBoundaryElement.removeEventListener('focus', this._topBoundaryFocusListener);
- bottomBoundaryElement.removeEventListener('focus', this._bottomBoundaryFocusListener);
- if (position === 0) {
- var newElement = this._createAccessibilityTreeNode();
- this._rowElements.unshift(newElement);
- this._rowContainer.insertAdjacentElement('afterbegin', newElement);
- }
- else {
- var newElement = this._createAccessibilityTreeNode();
- this._rowElements.push(newElement);
- this._rowContainer.appendChild(newElement);
- }
- this._rowElements[0].addEventListener('focus', this._topBoundaryFocusListener);
- this._rowElements[this._rowElements.length - 1].addEventListener('focus', this._bottomBoundaryFocusListener);
- this._terminal.scrollLines(position === 0 ? -1 : 1);
- this._rowElements[position === 0 ? 1 : this._rowElements.length - 2].focus();
- e.preventDefault();
- e.stopImmediatePropagation();
- };
- AccessibilityManager.prototype._onResize = function (rows) {
- this._rowElements[this._rowElements.length - 1].removeEventListener('focus', this._bottomBoundaryFocusListener);
- for (var i = this._rowContainer.children.length; i < this._terminal.rows; i++) {
- this._rowElements[i] = this._createAccessibilityTreeNode();
- this._rowContainer.appendChild(this._rowElements[i]);
- }
- while (this._rowElements.length > rows) {
- this._rowContainer.removeChild(this._rowElements.pop());
- }
- this._rowElements[this._rowElements.length - 1].addEventListener('focus', this._bottomBoundaryFocusListener);
- this._refreshRowsDimensions();
- };
- AccessibilityManager.prototype._createAccessibilityTreeNode = function () {
- var element = document.createElement('div');
- element.setAttribute('role', 'listitem');
- element.tabIndex = -1;
- this._refreshRowDimensions(element);
- return element;
- };
- AccessibilityManager.prototype._onTab = function (spaceCount) {
- for (var i = 0; i < spaceCount; i++) {
- this._onChar(' ');
- }
- };
- AccessibilityManager.prototype._onChar = function (char) {
- var _this = this;
- if (this._liveRegionLineCount < MAX_ROWS_TO_READ + 1) {
- if (this._charsToConsume.length > 0) {
- var shiftedChar = this._charsToConsume.shift();
- if (shiftedChar !== char) {
- this._announceCharacter(char);
- }
- }
- else {
- this._announceCharacter(char);
- }
- if (char === '\n') {
- this._liveRegionLineCount++;
- if (this._liveRegionLineCount === MAX_ROWS_TO_READ + 1) {
- this._liveRegion.textContent += Strings.tooMuchOutput;
- }
- }
- if (Platform_1.isMac) {
- if (this._liveRegion.textContent && this._liveRegion.textContent.length > 0 && !this._liveRegion.parentNode) {
- setTimeout(function () {
- _this._accessibilityTreeRoot.appendChild(_this._liveRegion);
- }, 0);
- }
- }
- }
- };
- AccessibilityManager.prototype._clearLiveRegion = function () {
- this._liveRegion.textContent = '';
- this._liveRegionLineCount = 0;
- if (Platform_1.isMac) {
- if (this._liveRegion.parentNode) {
- this._accessibilityTreeRoot.removeChild(this._liveRegion);
- }
- }
- };
- AccessibilityManager.prototype._onKey = function (keyChar) {
- this._clearLiveRegion();
- this._charsToConsume.push(keyChar);
- };
- AccessibilityManager.prototype._refreshRows = function (start, end) {
- this._renderRowsDebouncer.refresh(start, end, this._terminal.rows);
- };
- AccessibilityManager.prototype._renderRows = function (start, end) {
- var buffer = this._terminal.buffer;
- var setSize = buffer.lines.length.toString();
- for (var i = start; i <= end; i++) {
- var lineData = buffer.translateBufferLineToString(buffer.ydisp + i, true);
- var posInSet = (buffer.ydisp + i + 1).toString();
- var element = this._rowElements[i];
- if (element) {
- element.textContent = lineData.length === 0 ? Strings.blankLine : lineData;
- element.setAttribute('aria-posinset', posInSet);
- element.setAttribute('aria-setsize', setSize);
- }
- }
- };
- AccessibilityManager.prototype._refreshRowsDimensions = function () {
- if (!this._terminal.renderer.dimensions.actualCellHeight) {
- return;
- }
- if (this._rowElements.length !== this._terminal.rows) {
- this._onResize(this._terminal.rows);
- }
- for (var i = 0; i < this._terminal.rows; i++) {
- this._refreshRowDimensions(this._rowElements[i]);
- }
- };
- AccessibilityManager.prototype._refreshRowDimensions = function (element) {
- element.style.height = this._terminal.renderer.dimensions.actualCellHeight + "px";
- };
- AccessibilityManager.prototype._announceCharacter = function (char) {
- if (char === ' ') {
- this._liveRegion.innerHTML += ' ';
- }
- else {
- this._liveRegion.textContent += char;
- }
- };
- return AccessibilityManager;
-}(Lifecycle_2.Disposable));
-exports.AccessibilityManager = AccessibilityManager;
-
-},{"./Strings":18,"./common/Lifecycle":26,"./common/Platform":27,"./ui/Lifecycle":55,"./ui/RenderDebouncer":56}],2:[function(require,module,exports){
-"use strict";
-var __extends = (this && this.__extends) || (function () {
- var extendStatics = function (d, b) {
- extendStatics = Object.setPrototypeOf ||
- ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
- function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
- return extendStatics(d, b);
- };
- return function (d, b) {
- extendStatics(d, b);
- function __() { this.constructor = d; }
- d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
- };
-})();
-Object.defineProperty(exports, "__esModule", { value: true });
-var CircularList_1 = require("./common/CircularList");
-var BufferLine_1 = require("./BufferLine");
-var BufferReflow_1 = require("./BufferReflow");
-var Types_1 = require("./renderer/atlas/Types");
-var EventEmitter2_1 = require("./common/EventEmitter2");
-var Lifecycle_1 = require("../lib/common/Lifecycle");
-exports.DEFAULT_ATTR = (0 << 18) | (Types_1.DEFAULT_COLOR << 9) | (256 << 0);
-exports.DEFAULT_ATTR_DATA = new BufferLine_1.AttributeData();
-exports.CHAR_DATA_ATTR_INDEX = 0;
-exports.CHAR_DATA_CHAR_INDEX = 1;
-exports.CHAR_DATA_WIDTH_INDEX = 2;
-exports.CHAR_DATA_CODE_INDEX = 3;
-exports.MAX_BUFFER_SIZE = 4294967295;
-exports.NULL_CELL_CHAR = '';
-exports.NULL_CELL_WIDTH = 1;
-exports.NULL_CELL_CODE = 0;
-exports.WHITESPACE_CELL_CHAR = ' ';
-exports.WHITESPACE_CELL_WIDTH = 1;
-exports.WHITESPACE_CELL_CODE = 32;
-var Buffer = (function () {
- function Buffer(_terminal, _hasScrollback) {
- this._terminal = _terminal;
- this._hasScrollback = _hasScrollback;
- this.savedCurAttrData = exports.DEFAULT_ATTR_DATA.clone();
- this.markers = [];
- this._nullCell = BufferLine_1.CellData.fromCharData([0, exports.NULL_CELL_CHAR, exports.NULL_CELL_WIDTH, exports.NULL_CELL_CODE]);
- this._whitespaceCell = BufferLine_1.CellData.fromCharData([0, exports.WHITESPACE_CELL_CHAR, exports.WHITESPACE_CELL_WIDTH, exports.WHITESPACE_CELL_CODE]);
- this._cols = this._terminal.cols;
- this._rows = this._terminal.rows;
- this.clear();
- }
- Buffer.prototype.getNullCell = function (attr) {
- if (attr) {
- this._nullCell.fg = attr.fg;
- this._nullCell.bg = attr.bg;
- }
- else {
- this._nullCell.fg = 0;
- this._nullCell.bg = 0;
- }
- return this._nullCell;
- };
- Buffer.prototype.getWhitespaceCell = function (attr) {
- if (attr) {
- this._whitespaceCell.fg = attr.fg;
- this._whitespaceCell.bg = attr.bg;
- }
- else {
- this._whitespaceCell.fg = 0;
- this._whitespaceCell.bg = 0;
- }
- return this._whitespaceCell;
- };
- Buffer.prototype.getBlankLine = function (attr, isWrapped) {
- return new BufferLine_1.BufferLine(this._terminal.cols, this.getNullCell(attr), isWrapped);
- };
- Object.defineProperty(Buffer.prototype, "hasScrollback", {
- get: function () {
- return this._hasScrollback && this.lines.maxLength > this._rows;
- },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(Buffer.prototype, "isCursorInViewport", {
- get: function () {
- var absoluteY = this.ybase + this.y;
- var relativeY = absoluteY - this.ydisp;
- return (relativeY >= 0 && relativeY < this._rows);
- },
- enumerable: true,
- configurable: true
- });
- Buffer.prototype._getCorrectBufferLength = function (rows) {
- if (!this._hasScrollback) {
- return rows;
- }
- var correctBufferLength = rows + this._terminal.options.scrollback;
- return correctBufferLength > exports.MAX_BUFFER_SIZE ? exports.MAX_BUFFER_SIZE : correctBufferLength;
- };
- Buffer.prototype.fillViewportRows = function (fillAttr) {
- if (this.lines.length === 0) {
- if (fillAttr === undefined) {
- fillAttr = exports.DEFAULT_ATTR_DATA;
- }
- var i = this._rows;
- while (i--) {
- this.lines.push(this.getBlankLine(fillAttr));
- }
- }
- };
- Buffer.prototype.clear = function () {
- this.ydisp = 0;
- this.ybase = 0;
- this.y = 0;
- this.x = 0;
- this.lines = new CircularList_1.CircularList(this._getCorrectBufferLength(this._rows));
- this.scrollTop = 0;
- this.scrollBottom = this._rows - 1;
- this.setupTabStops();
- };
- Buffer.prototype.resize = function (newCols, newRows) {
- var nullCell = this.getNullCell(exports.DEFAULT_ATTR_DATA);
- var newMaxLength = this._getCorrectBufferLength(newRows);
- if (newMaxLength > this.lines.maxLength) {
- this.lines.maxLength = newMaxLength;
- }
- if (this.lines.length > 0) {
- if (this._cols < newCols) {
- for (var i = 0; i < this.lines.length; i++) {
- this.lines.get(i).resize(newCols, nullCell);
- }
- }
- var addToY = 0;
- if (this._rows < newRows) {
- for (var y = this._rows; y < newRows; y++) {
- if (this.lines.length < newRows + this.ybase) {
- if (this.ybase > 0 && this.lines.length <= this.ybase + this.y + addToY + 1) {
- this.ybase--;
- addToY++;
- if (this.ydisp > 0) {
- this.ydisp--;
- }
- }
- else {
- this.lines.push(new BufferLine_1.BufferLine(newCols, nullCell));
- }
- }
- }
- }
- else {
- for (var y = this._rows; y > newRows; y--) {
- if (this.lines.length > newRows + this.ybase) {
- if (this.lines.length > this.ybase + this.y + 1) {
- this.lines.pop();
- }
- else {
- this.ybase++;
- this.ydisp++;
- }
- }
- }
- }
- if (newMaxLength < this.lines.maxLength) {
- var amountToTrim = this.lines.length - newMaxLength;
- if (amountToTrim > 0) {
- this.lines.trimStart(amountToTrim);
- this.ybase = Math.max(this.ybase - amountToTrim, 0);
- this.ydisp = Math.max(this.ydisp - amountToTrim, 0);
- }
- this.lines.maxLength = newMaxLength;
- }
- this.x = Math.min(this.x, newCols - 1);
- this.y = Math.min(this.y, newRows - 1);
- if (addToY) {
- this.y += addToY;
- }
- this.savedY = Math.min(this.savedY, newRows - 1);
- this.savedX = Math.min(this.savedX, newCols - 1);
- this.scrollTop = 0;
- }
- this.scrollBottom = newRows - 1;
- if (this._isReflowEnabled) {
- this._reflow(newCols, newRows);
- if (this._cols > newCols) {
- for (var i = 0; i < this.lines.length; i++) {
- this.lines.get(i).resize(newCols, nullCell);
- }
- }
- }
- this._cols = newCols;
- this._rows = newRows;
- };
- Object.defineProperty(Buffer.prototype, "_isReflowEnabled", {
- get: function () {
- return this._hasScrollback && !this._terminal.options.windowsMode;
- },
- enumerable: true,
- configurable: true
- });
- Buffer.prototype._reflow = function (newCols, newRows) {
- if (this._cols === newCols) {
- return;
- }
- if (newCols > this._cols) {
- this._reflowLarger(newCols, newRows);
- }
- else {
- this._reflowSmaller(newCols, newRows);
- }
- };
- Buffer.prototype._reflowLarger = function (newCols, newRows) {
- var toRemove = BufferReflow_1.reflowLargerGetLinesToRemove(this.lines, this._cols, newCols, this.ybase + this.y, this.getNullCell(exports.DEFAULT_ATTR_DATA));
- if (toRemove.length > 0) {
- var newLayoutResult = BufferReflow_1.reflowLargerCreateNewLayout(this.lines, toRemove);
- BufferReflow_1.reflowLargerApplyNewLayout(this.lines, newLayoutResult.layout);
- this._reflowLargerAdjustViewport(newCols, newRows, newLayoutResult.countRemoved);
- }
- };
- Buffer.prototype._reflowLargerAdjustViewport = function (newCols, newRows, countRemoved) {
- var nullCell = this.getNullCell(exports.DEFAULT_ATTR_DATA);
- var viewportAdjustments = countRemoved;
- while (viewportAdjustments-- > 0) {
- if (this.ybase === 0) {
- if (this.y > 0) {
- this.y--;
- }
- if (this.lines.length < newRows) {
- this.lines.push(new BufferLine_1.BufferLine(newCols, nullCell));
- }
- }
- else {
- if (this.ydisp === this.ybase) {
- this.ydisp--;
- }
- this.ybase--;
- }
- }
- };
- Buffer.prototype._reflowSmaller = function (newCols, newRows) {
- var nullCell = this.getNullCell(exports.DEFAULT_ATTR_DATA);
- var toInsert = [];
- var countToInsert = 0;
- for (var y = this.lines.length - 1; y >= 0; y--) {
- var nextLine = this.lines.get(y);
- if (!nextLine.isWrapped && nextLine.getTrimmedLength() <= newCols) {
- continue;
- }
- var wrappedLines = [nextLine];
- while (nextLine.isWrapped && y > 0) {
- nextLine = this.lines.get(--y);
- wrappedLines.unshift(nextLine);
- }
- var absoluteY = this.ybase + this.y;
- if (absoluteY >= y && absoluteY < y + wrappedLines.length) {
- continue;
- }
- var lastLineLength = wrappedLines[wrappedLines.length - 1].getTrimmedLength();
- var destLineLengths = BufferReflow_1.reflowSmallerGetNewLineLengths(wrappedLines, this._cols, newCols);
- var linesToAdd = destLineLengths.length - wrappedLines.length;
- var trimmedLines = void 0;
- if (this.ybase === 0 && this.y !== this.lines.length - 1) {
- trimmedLines = Math.max(0, this.y - this.lines.maxLength + linesToAdd);
- }
- else {
- trimmedLines = Math.max(0, this.lines.length - this.lines.maxLength + linesToAdd);
- }
- var newLines = [];
- for (var i = 0; i < linesToAdd; i++) {
- var newLine = this.getBlankLine(exports.DEFAULT_ATTR_DATA, true);
- newLines.push(newLine);
- }
- if (newLines.length > 0) {
- toInsert.push({
- start: y + wrappedLines.length + countToInsert,
- newLines: newLines
- });
- countToInsert += newLines.length;
- }
- wrappedLines.push.apply(wrappedLines, newLines);
- var destLineIndex = destLineLengths.length - 1;
- var destCol = destLineLengths[destLineIndex];
- if (destCol === 0) {
- destLineIndex--;
- destCol = destLineLengths[destLineIndex];
- }
- var srcLineIndex = wrappedLines.length - linesToAdd - 1;
- var srcCol = lastLineLength;
- while (srcLineIndex >= 0) {
- var cellsToCopy = Math.min(srcCol, destCol);
- wrappedLines[destLineIndex].copyCellsFrom(wrappedLines[srcLineIndex], srcCol - cellsToCopy, destCol - cellsToCopy, cellsToCopy, true);
- destCol -= cellsToCopy;
- if (destCol === 0) {
- destLineIndex--;
- destCol = destLineLengths[destLineIndex];
- }
- srcCol -= cellsToCopy;
- if (srcCol === 0) {
- srcLineIndex--;
- var wrappedLinesIndex = Math.max(srcLineIndex, 0);
- srcCol = BufferReflow_1.getWrappedLineTrimmedLength(wrappedLines, wrappedLinesIndex, this._cols);
- }
- }
- for (var i = 0; i < wrappedLines.length; i++) {
- if (destLineLengths[i] < newCols) {
- wrappedLines[i].setCell(destLineLengths[i], nullCell);
- }
- }
- var viewportAdjustments = linesToAdd - trimmedLines;
- while (viewportAdjustments-- > 0) {
- if (this.ybase === 0) {
- if (this.y < newRows - 1) {
- this.y++;
- this.lines.pop();
- }
- else {
- this.ybase++;
- this.ydisp++;
- }
- }
- else {
- if (this.ybase < Math.min(this.lines.maxLength, this.lines.length + countToInsert) - newRows) {
- if (this.ybase === this.ydisp) {
- this.ydisp++;
- }
- this.ybase++;
- }
- }
- }
- }
- if (toInsert.length > 0) {
- var insertEvents = [];
- var originalLines = [];
- for (var i = 0; i < this.lines.length; i++) {
- originalLines.push(this.lines.get(i));
- }
- var originalLinesLength = this.lines.length;
- var originalLineIndex = originalLinesLength - 1;
- var nextToInsertIndex = 0;
- var nextToInsert = toInsert[nextToInsertIndex];
- this.lines.length = Math.min(this.lines.maxLength, this.lines.length + countToInsert);
- var countInsertedSoFar = 0;
- for (var i = Math.min(this.lines.maxLength - 1, originalLinesLength + countToInsert - 1); i >= 0; i--) {
- if (nextToInsert && nextToInsert.start > originalLineIndex + countInsertedSoFar) {
- for (var nextI = nextToInsert.newLines.length - 1; nextI >= 0; nextI--) {
- this.lines.set(i--, nextToInsert.newLines[nextI]);
- }
- i++;
- insertEvents.push({
- index: originalLineIndex + 1,
- amount: nextToInsert.newLines.length
- });
- countInsertedSoFar += nextToInsert.newLines.length;
- nextToInsert = toInsert[++nextToInsertIndex];
- }
- else {
- this.lines.set(i, originalLines[originalLineIndex--]);
- }
- }
- var insertCountEmitted = 0;
- for (var i = insertEvents.length - 1; i >= 0; i--) {
- insertEvents[i].index += insertCountEmitted;
- this.lines.onInsertEmitter.fire(insertEvents[i]);
- insertCountEmitted += insertEvents[i].amount;
- }
- var amountToTrim = Math.max(0, originalLinesLength + countToInsert - this.lines.maxLength);
- if (amountToTrim > 0) {
- this.lines.onTrimEmitter.fire(amountToTrim);
- }
- }
- };
- Buffer.prototype.stringIndexToBufferIndex = function (lineIndex, stringIndex, trimRight) {
- if (trimRight === void 0) { trimRight = false; }
- while (stringIndex) {
- var line = this.lines.get(lineIndex);
- if (!line) {
- return [-1, -1];
- }
- var length_1 = (trimRight) ? line.getTrimmedLength() : line.length;
- for (var i = 0; i < length_1; ++i) {
- if (line.get(i)[exports.CHAR_DATA_WIDTH_INDEX]) {
- stringIndex -= line.get(i)[exports.CHAR_DATA_CHAR_INDEX].length || 1;
- }
- if (stringIndex < 0) {
- return [lineIndex, i];
- }
- }
- lineIndex++;
- }
- return [lineIndex, 0];
- };
- Buffer.prototype.translateBufferLineToString = function (lineIndex, trimRight, startCol, endCol) {
- if (startCol === void 0) { startCol = 0; }
- var line = this.lines.get(lineIndex);
- if (!line) {
- return '';
- }
- return line.translateToString(trimRight, startCol, endCol);
- };
- Buffer.prototype.getWrappedRangeForLine = function (y) {
- var first = y;
- var last = y;
- while (first > 0 && this.lines.get(first).isWrapped) {
- first--;
- }
- while (last + 1 < this.lines.length && this.lines.get(last + 1).isWrapped) {
- last++;
- }
- return { first: first, last: last };
- };
- Buffer.prototype.setupTabStops = function (i) {
- if (i !== null && i !== undefined) {
- if (!this.tabs[i]) {
- i = this.prevStop(i);
- }
- }
- else {
- this.tabs = {};
- i = 0;
- }
- for (; i < this._cols; i += this._terminal.options.tabStopWidth) {
- this.tabs[i] = true;
- }
- };
- Buffer.prototype.prevStop = function (x) {
- if (x === null || x === undefined) {
- x = this.x;
- }
- while (!this.tabs[--x] && x > 0)
- ;
- return x >= this._cols ? this._cols - 1 : x < 0 ? 0 : x;
- };
- Buffer.prototype.nextStop = function (x) {
- if (x === null || x === undefined) {
- x = this.x;
- }
- while (!this.tabs[++x] && x < this._cols)
- ;
- return x >= this._cols ? this._cols - 1 : x < 0 ? 0 : x;
- };
- Buffer.prototype.addMarker = function (y) {
- var _this = this;
- var marker = new Marker(y);
- this.markers.push(marker);
- marker.register(this.lines.onTrim(function (amount) {
- marker.line -= amount;
- if (marker.line < 0) {
- marker.dispose();
- }
- }));
- marker.register(this.lines.onInsert(function (event) {
- if (marker.line >= event.index) {
- marker.line += event.amount;
- }
- }));
- marker.register(this.lines.onDelete(function (event) {
- if (marker.line >= event.index && marker.line < event.index + event.amount) {
- marker.dispose();
- }
- if (marker.line > event.index) {
- marker.line -= event.amount;
- }
- }));
- marker.register(marker.onDispose(function () { return _this._removeMarker(marker); }));
- return marker;
- };
- Buffer.prototype._removeMarker = function (marker) {
- this.markers.splice(this.markers.indexOf(marker), 1);
- };
- Buffer.prototype.iterator = function (trimRight, startIndex, endIndex, startOverscan, endOverscan) {
- return new BufferStringIterator(this, trimRight, startIndex, endIndex, startOverscan, endOverscan);
- };
- return Buffer;
-}());
-exports.Buffer = Buffer;
-var Marker = (function (_super) {
- __extends(Marker, _super);
- function Marker(line) {
- var _this = _super.call(this) || this;
- _this.line = line;
- _this._id = Marker._nextId++;
- _this.isDisposed = false;
- _this._onDispose = new EventEmitter2_1.EventEmitter2();
- return _this;
- }
- Object.defineProperty(Marker.prototype, "id", {
- get: function () { return this._id; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(Marker.prototype, "onDispose", {
- get: function () { return this._onDispose.event; },
- enumerable: true,
- configurable: true
- });
- Marker.prototype.dispose = function () {
- if (this.isDisposed) {
- return;
- }
- this.isDisposed = true;
- this._onDispose.fire();
- };
- Marker._nextId = 1;
- return Marker;
-}(Lifecycle_1.Disposable));
-exports.Marker = Marker;
-var BufferStringIterator = (function () {
- function BufferStringIterator(_buffer, _trimRight, _startIndex, _endIndex, _startOverscan, _endOverscan) {
- if (_startIndex === void 0) { _startIndex = 0; }
- if (_endIndex === void 0) { _endIndex = _buffer.lines.length; }
- if (_startOverscan === void 0) { _startOverscan = 0; }
- if (_endOverscan === void 0) { _endOverscan = 0; }
- this._buffer = _buffer;
- this._trimRight = _trimRight;
- this._startIndex = _startIndex;
- this._endIndex = _endIndex;
- this._startOverscan = _startOverscan;
- this._endOverscan = _endOverscan;
- if (this._startIndex < 0) {
- this._startIndex = 0;
- }
- if (this._endIndex > this._buffer.lines.length) {
- this._endIndex = this._buffer.lines.length;
- }
- this._current = this._startIndex;
- }
- BufferStringIterator.prototype.hasNext = function () {
- return this._current < this._endIndex;
- };
- BufferStringIterator.prototype.next = function () {
- var range = this._buffer.getWrappedRangeForLine(this._current);
- if (range.first < this._startIndex - this._startOverscan) {
- range.first = this._startIndex - this._startOverscan;
- }
- if (range.last > this._endIndex + this._endOverscan) {
- range.last = this._endIndex + this._endOverscan;
- }
- range.first = Math.max(range.first, 0);
- range.last = Math.min(range.last, this._buffer.lines.length);
- var result = '';
- for (var i = range.first; i <= range.last; ++i) {
- result += this._buffer.translateBufferLineToString(i, this._trimRight);
- }
- this._current = range.last + 1;
- return { range: range, content: result };
- };
- return BufferStringIterator;
-}());
-exports.BufferStringIterator = BufferStringIterator;
-
-},{"../lib/common/Lifecycle":26,"./BufferLine":3,"./BufferReflow":4,"./common/CircularList":22,"./common/EventEmitter2":25,"./renderer/atlas/Types":52}],3:[function(require,module,exports){
-"use strict";
-var __extends = (this && this.__extends) || (function () {
- var extendStatics = function (d, b) {
- extendStatics = Object.setPrototypeOf ||
- ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
- function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
- return extendStatics(d, b);
- };
- return function (d, b) {
- extendStatics(d, b);
- function __() { this.constructor = d; }
- d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
- };
-})();
-Object.defineProperty(exports, "__esModule", { value: true });
-var Buffer_1 = require("./Buffer");
-var TextDecoder_1 = require("./core/input/TextDecoder");
-var CELL_SIZE = 3;
-var AttributeData = (function () {
- function AttributeData() {
- this.fg = 0;
- this.bg = 0;
- }
- AttributeData.toColorRGB = function (value) {
- return [
- value >>> 16 & 255,
- value >>> 8 & 255,
- value & 255
- ];
- };
- AttributeData.fromColorRGB = function (value) {
- return (value[0] & 255) << 16 | (value[1] & 255) << 8 | value[2] & 255;
- };
- AttributeData.prototype.clone = function () {
- var newObj = new AttributeData();
- newObj.fg = this.fg;
- newObj.bg = this.bg;
- return newObj;
- };
- AttributeData.prototype.isInverse = function () { return this.fg & 67108864; };
- AttributeData.prototype.isBold = function () { return this.fg & 134217728; };
- AttributeData.prototype.isUnderline = function () { return this.fg & 268435456; };
- AttributeData.prototype.isBlink = function () { return this.fg & 536870912; };
- AttributeData.prototype.isInvisible = function () { return this.fg & 1073741824; };
- AttributeData.prototype.isItalic = function () { return this.bg & 67108864; };
- AttributeData.prototype.isDim = function () { return this.bg & 134217728; };
- AttributeData.prototype.getFgColorMode = function () { return this.fg & 50331648; };
- AttributeData.prototype.getBgColorMode = function () { return this.bg & 50331648; };
- AttributeData.prototype.isFgRGB = function () { return (this.fg & 50331648) === 50331648; };
- AttributeData.prototype.isBgRGB = function () { return (this.bg & 50331648) === 50331648; };
- AttributeData.prototype.isFgPalette = function () { return (this.fg & 50331648) === 16777216 || (this.fg & 50331648) === 33554432; };
- AttributeData.prototype.isBgPalette = function () { return (this.bg & 50331648) === 16777216 || (this.bg & 50331648) === 33554432; };
- AttributeData.prototype.isFgDefault = function () { return (this.fg & 50331648) === 0; };
- AttributeData.prototype.isBgDefault = function () { return (this.bg & 50331648) === 0; };
- AttributeData.prototype.getFgColor = function () {
- switch (this.fg & 50331648) {
- case 16777216:
- case 33554432: return this.fg & 255;
- case 50331648: return this.fg & 16777215;
- default: return -1;
- }
- };
- AttributeData.prototype.getBgColor = function () {
- switch (this.bg & 50331648) {
- case 16777216:
- case 33554432: return this.bg & 255;
- case 50331648: return this.bg & 16777215;
- default: return -1;
- }
- };
- return AttributeData;
-}());
-exports.AttributeData = AttributeData;
-var CellData = (function (_super) {
- __extends(CellData, _super);
- function CellData() {
- var _this = _super !== null && _super.apply(this, arguments) || this;
- _this.content = 0;
- _this.fg = 0;
- _this.bg = 0;
- _this.combinedData = '';
- return _this;
- }
- CellData.fromCharData = function (value) {
- var obj = new CellData();
- obj.setFromCharData(value);
- return obj;
- };
- CellData.prototype.isCombined = function () {
- return this.content & 2097152;
- };
- CellData.prototype.getWidth = function () {
- return this.content >> 22;
- };
- CellData.prototype.getChars = function () {
- if (this.content & 2097152) {
- return this.combinedData;
- }
- if (this.content & 2097151) {
- return TextDecoder_1.stringFromCodePoint(this.content & 2097151);
- }
- return '';
- };
- CellData.prototype.getCode = function () {
- return (this.isCombined())
- ? this.combinedData.charCodeAt(this.combinedData.length - 1)
- : this.content & 2097151;
- };
- CellData.prototype.setFromCharData = function (value) {
- this.fg = value[Buffer_1.CHAR_DATA_ATTR_INDEX];
- this.bg = 0;
- var combined = false;
- if (value[Buffer_1.CHAR_DATA_CHAR_INDEX].length > 2) {
- combined = true;
- }
- else if (value[Buffer_1.CHAR_DATA_CHAR_INDEX].length === 2) {
- var code = value[Buffer_1.CHAR_DATA_CHAR_INDEX].charCodeAt(0);
- if (0xD800 <= code && code <= 0xDBFF) {
- var second = value[Buffer_1.CHAR_DATA_CHAR_INDEX].charCodeAt(1);
- if (0xDC00 <= second && second <= 0xDFFF) {
- this.content = ((code - 0xD800) * 0x400 + second - 0xDC00 + 0x10000) | (value[Buffer_1.CHAR_DATA_WIDTH_INDEX] << 22);
- }
- else {
- combined = true;
- }
- }
- else {
- combined = true;
- }
- }
- else {
- this.content = value[Buffer_1.CHAR_DATA_CHAR_INDEX].charCodeAt(0) | (value[Buffer_1.CHAR_DATA_WIDTH_INDEX] << 22);
- }
- if (combined) {
- this.combinedData = value[Buffer_1.CHAR_DATA_CHAR_INDEX];
- this.content = 2097152 | (value[Buffer_1.CHAR_DATA_WIDTH_INDEX] << 22);
- }
- };
- CellData.prototype.getAsCharData = function () {
- return [this.fg, this.getChars(), this.getWidth(), this.getCode()];
- };
- return CellData;
-}(AttributeData));
-exports.CellData = CellData;
-var BufferLine = (function () {
- function BufferLine(cols, fillCellData, isWrapped) {
- if (isWrapped === void 0) { isWrapped = false; }
- this.isWrapped = isWrapped;
- this._data = null;
- this._combined = {};
- if (cols) {
- this._data = new Uint32Array(cols * CELL_SIZE);
- var cell = fillCellData || CellData.fromCharData([0, Buffer_1.NULL_CELL_CHAR, Buffer_1.NULL_CELL_WIDTH, Buffer_1.NULL_CELL_CODE]);
- for (var i = 0; i < cols; ++i) {
- this.setCell(i, cell);
- }
- }
- this.length = cols;
- }
- BufferLine.prototype.get = function (index) {
- var content = this._data[index * CELL_SIZE + 0];
- var cp = content & 2097151;
- return [
- this._data[index * CELL_SIZE + 1],
- (content & 2097152)
- ? this._combined[index]
- : (cp) ? TextDecoder_1.stringFromCodePoint(cp) : '',
- content >> 22,
- (content & 2097152)
- ? this._combined[index].charCodeAt(this._combined[index].length - 1)
- : cp
- ];
- };
- BufferLine.prototype.set = function (index, value) {
- this._data[index * CELL_SIZE + 1] = value[Buffer_1.CHAR_DATA_ATTR_INDEX];
- if (value[Buffer_1.CHAR_DATA_CHAR_INDEX].length > 1) {
- this._combined[index] = value[1];
- this._data[index * CELL_SIZE + 0] = index | 2097152 | (value[Buffer_1.CHAR_DATA_WIDTH_INDEX] << 22);
- }
- else {
- this._data[index * CELL_SIZE + 0] = value[Buffer_1.CHAR_DATA_CHAR_INDEX].charCodeAt(0) | (value[Buffer_1.CHAR_DATA_WIDTH_INDEX] << 22);
- }
- };
- BufferLine.prototype.getWidth = function (index) {
- return this._data[index * CELL_SIZE + 0] >> 22;
- };
- BufferLine.prototype.hasWidth = function (index) {
- return this._data[index * CELL_SIZE + 0] & 12582912;
- };
- BufferLine.prototype.getFg = function (index) {
- return this._data[index * CELL_SIZE + 1];
- };
- BufferLine.prototype.getBg = function (index) {
- return this._data[index * CELL_SIZE + 2];
- };
- BufferLine.prototype.hasContent = function (index) {
- return this._data[index * CELL_SIZE + 0] & 4194303;
- };
- BufferLine.prototype.getCodePoint = function (index) {
- var content = this._data[index * CELL_SIZE + 0];
- if (content & 2097152) {
- return this._combined[index].charCodeAt(this._combined[index].length - 1);
- }
- return content & 2097151;
- };
- BufferLine.prototype.isCombined = function (index) {
- return this._data[index * CELL_SIZE + 0] & 2097152;
- };
- BufferLine.prototype.getString = function (index) {
- var content = this._data[index * CELL_SIZE + 0];
- if (content & 2097152) {
- return this._combined[index];
- }
- if (content & 2097151) {
- return TextDecoder_1.stringFromCodePoint(content & 2097151);
- }
- return '';
- };
- BufferLine.prototype.loadCell = function (index, cell) {
- var startIndex = index * CELL_SIZE;
- cell.content = this._data[startIndex + 0];
- cell.fg = this._data[startIndex + 1];
- cell.bg = this._data[startIndex + 2];
- if (cell.content & 2097152) {
- cell.combinedData = this._combined[index];
- }
- return cell;
- };
- BufferLine.prototype.setCell = function (index, cell) {
- if (cell.content & 2097152) {
- this._combined[index] = cell.combinedData;
- }
- this._data[index * CELL_SIZE + 0] = cell.content;
- this._data[index * CELL_SIZE + 1] = cell.fg;
- this._data[index * CELL_SIZE + 2] = cell.bg;
- };
- BufferLine.prototype.setCellFromCodePoint = function (index, codePoint, width, fg, bg) {
- this._data[index * CELL_SIZE + 0] = codePoint | (width << 22);
- this._data[index * CELL_SIZE + 1] = fg;
- this._data[index * CELL_SIZE + 2] = bg;
- };
- BufferLine.prototype.addCodepointToCell = function (index, codePoint) {
- var content = this._data[index * CELL_SIZE + 0];
- if (content & 2097152) {
- this._combined[index] += TextDecoder_1.stringFromCodePoint(codePoint);
- }
- else {
- if (content & 2097151) {
- this._combined[index] = TextDecoder_1.stringFromCodePoint(content & 2097151) + TextDecoder_1.stringFromCodePoint(codePoint);
- content &= ~2097151;
- content |= 2097152;
- }
- else {
- content = codePoint | (1 << 22);
- }
- this._data[index * CELL_SIZE + 0] = content;
- }
- };
- BufferLine.prototype.insertCells = function (pos, n, fillCellData) {
- pos %= this.length;
- if (n < this.length - pos) {
- var cell = new CellData();
- for (var i = this.length - pos - n - 1; i >= 0; --i) {
- this.setCell(pos + n + i, this.loadCell(pos + i, cell));
- }
- for (var i = 0; i < n; ++i) {
- this.setCell(pos + i, fillCellData);
- }
- }
- else {
- for (var i = pos; i < this.length; ++i) {
- this.setCell(i, fillCellData);
- }
- }
- };
- BufferLine.prototype.deleteCells = function (pos, n, fillCellData) {
- pos %= this.length;
- if (n < this.length - pos) {
- var cell = new CellData();
- for (var i = 0; i < this.length - pos - n; ++i) {
- this.setCell(pos + i, this.loadCell(pos + n + i, cell));
- }
- for (var i = this.length - n; i < this.length; ++i) {
- this.setCell(i, fillCellData);
- }
- }
- else {
- for (var i = pos; i < this.length; ++i) {
- this.setCell(i, fillCellData);
- }
- }
- };
- BufferLine.prototype.replaceCells = function (start, end, fillCellData) {
- while (start < end && start < this.length) {
- this.setCell(start++, fillCellData);
- }
- };
- BufferLine.prototype.resize = function (cols, fillCellData) {
- if (cols === this.length) {
- return;
- }
- if (cols > this.length) {
- var data = new Uint32Array(cols * CELL_SIZE);
- if (this.length) {
- if (cols * CELL_SIZE < this._data.length) {
- data.set(this._data.subarray(0, cols * CELL_SIZE));
- }
- else {
- data.set(this._data);
- }
- }
- this._data = data;
- for (var i = this.length; i < cols; ++i) {
- this.setCell(i, fillCellData);
- }
- }
- else {
- if (cols) {
- var data = new Uint32Array(cols * CELL_SIZE);
- data.set(this._data.subarray(0, cols * CELL_SIZE));
- this._data = data;
- var keys = Object.keys(this._combined);
- for (var i = 0; i < keys.length; i++) {
- var key = parseInt(keys[i], 10);
- if (key >= cols) {
- delete this._combined[key];
- }
- }
- }
- else {
- this._data = null;
- this._combined = {};
- }
- }
- this.length = cols;
- };
- BufferLine.prototype.fill = function (fillCellData) {
- this._combined = {};
- for (var i = 0; i < this.length; ++i) {
- this.setCell(i, fillCellData);
- }
- };
- BufferLine.prototype.copyFrom = function (line) {
- if (this.length !== line.length) {
- this._data = new Uint32Array(line._data);
- }
- else {
- this._data.set(line._data);
- }
- this.length = line.length;
- this._combined = {};
- for (var el in line._combined) {
- this._combined[el] = line._combined[el];
- }
- this.isWrapped = line.isWrapped;
- };
- BufferLine.prototype.clone = function () {
- var newLine = new BufferLine(0);
- newLine._data = new Uint32Array(this._data);
- newLine.length = this.length;
- for (var el in this._combined) {
- newLine._combined[el] = this._combined[el];
- }
- newLine.isWrapped = this.isWrapped;
- return newLine;
- };
- BufferLine.prototype.getTrimmedLength = function () {
- for (var i = this.length - 1; i >= 0; --i) {
- if ((this._data[i * CELL_SIZE + 0] & 4194303)) {
- return i + (this._data[i * CELL_SIZE + 0] >> 22);
- }
- }
- return 0;
- };
- BufferLine.prototype.copyCellsFrom = function (src, srcCol, destCol, length, applyInReverse) {
- var srcData = src._data;
- if (applyInReverse) {
- for (var cell = length - 1; cell >= 0; cell--) {
- for (var i = 0; i < CELL_SIZE; i++) {
- this._data[(destCol + cell) * CELL_SIZE + i] = srcData[(srcCol + cell) * CELL_SIZE + i];
- }
- }
- }
- else {
- for (var cell = 0; cell < length; cell++) {
- for (var i = 0; i < CELL_SIZE; i++) {
- this._data[(destCol + cell) * CELL_SIZE + i] = srcData[(srcCol + cell) * CELL_SIZE + i];
- }
- }
- }
- var srcCombinedKeys = Object.keys(src._combined);
- for (var i = 0; i < srcCombinedKeys.length; i++) {
- var key = parseInt(srcCombinedKeys[i], 10);
- if (key >= srcCol) {
- this._combined[key - srcCol + destCol] = src._combined[key];
- }
- }
- };
- BufferLine.prototype.translateToString = function (trimRight, startCol, endCol) {
- if (trimRight === void 0) { trimRight = false; }
- if (startCol === void 0) { startCol = 0; }
- if (endCol === void 0) { endCol = this.length; }
- if (trimRight) {
- endCol = Math.min(endCol, this.getTrimmedLength());
- }
- var result = '';
- while (startCol < endCol) {
- var content = this._data[startCol * CELL_SIZE + 0];
- var cp = content & 2097151;
- result += (content & 2097152) ? this._combined[startCol] : (cp) ? TextDecoder_1.stringFromCodePoint(cp) : Buffer_1.WHITESPACE_CELL_CHAR;
- startCol += (content >> 22) || 1;
- }
- return result;
- };
- return BufferLine;
-}());
-exports.BufferLine = BufferLine;
-
-},{"./Buffer":2,"./core/input/TextDecoder":32}],4:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-function reflowLargerGetLinesToRemove(lines, oldCols, newCols, bufferAbsoluteY, nullCell) {
- var toRemove = [];
- for (var y = 0; y < lines.length - 1; y++) {
- var i = y;
- var nextLine = lines.get(++i);
- if (!nextLine.isWrapped) {
- continue;
- }
- var wrappedLines = [lines.get(y)];
- while (i < lines.length && nextLine.isWrapped) {
- wrappedLines.push(nextLine);
- nextLine = lines.get(++i);
- }
- if (bufferAbsoluteY >= y && bufferAbsoluteY < i) {
- y += wrappedLines.length - 1;
- continue;
- }
- var destLineIndex = 0;
- var destCol = getWrappedLineTrimmedLength(wrappedLines, destLineIndex, oldCols);
- var srcLineIndex = 1;
- var srcCol = 0;
- while (srcLineIndex < wrappedLines.length) {
- var srcTrimmedTineLength = getWrappedLineTrimmedLength(wrappedLines, srcLineIndex, oldCols);
- var srcRemainingCells = srcTrimmedTineLength - srcCol;
- var destRemainingCells = newCols - destCol;
- var cellsToCopy = Math.min(srcRemainingCells, destRemainingCells);
- wrappedLines[destLineIndex].copyCellsFrom(wrappedLines[srcLineIndex], srcCol, destCol, cellsToCopy, false);
- destCol += cellsToCopy;
- if (destCol === newCols) {
- destLineIndex++;
- destCol = 0;
- }
- srcCol += cellsToCopy;
- if (srcCol === srcTrimmedTineLength) {
- srcLineIndex++;
- srcCol = 0;
- }
- if (destCol === 0 && destLineIndex !== 0) {
- if (wrappedLines[destLineIndex - 1].getWidth(newCols - 1) === 2) {
- wrappedLines[destLineIndex].copyCellsFrom(wrappedLines[destLineIndex - 1], newCols - 1, destCol++, 1, false);
- wrappedLines[destLineIndex - 1].setCell(newCols - 1, nullCell);
- }
- }
- }
- wrappedLines[destLineIndex].replaceCells(destCol, newCols, nullCell);
- var countToRemove = 0;
- for (var i_1 = wrappedLines.length - 1; i_1 > 0; i_1--) {
- if (i_1 > destLineIndex || wrappedLines[i_1].getTrimmedLength() === 0) {
- countToRemove++;
- }
- else {
- break;
- }
- }
- if (countToRemove > 0) {
- toRemove.push(y + wrappedLines.length - countToRemove);
- toRemove.push(countToRemove);
- }
- y += wrappedLines.length - 1;
- }
- return toRemove;
-}
-exports.reflowLargerGetLinesToRemove = reflowLargerGetLinesToRemove;
-function reflowLargerCreateNewLayout(lines, toRemove) {
- var layout = [];
- var nextToRemoveIndex = 0;
- var nextToRemoveStart = toRemove[nextToRemoveIndex];
- var countRemovedSoFar = 0;
- for (var i = 0; i < lines.length; i++) {
- if (nextToRemoveStart === i) {
- var countToRemove = toRemove[++nextToRemoveIndex];
- lines.onDeleteEmitter.fire({
- index: i - countRemovedSoFar,
- amount: countToRemove
- });
- i += countToRemove - 1;
- countRemovedSoFar += countToRemove;
- nextToRemoveStart = toRemove[++nextToRemoveIndex];
- }
- else {
- layout.push(i);
- }
- }
- return {
- layout: layout,
- countRemoved: countRemovedSoFar
- };
-}
-exports.reflowLargerCreateNewLayout = reflowLargerCreateNewLayout;
-function reflowLargerApplyNewLayout(lines, newLayout) {
- var newLayoutLines = [];
- for (var i = 0; i < newLayout.length; i++) {
- newLayoutLines.push(lines.get(newLayout[i]));
- }
- for (var i = 0; i < newLayoutLines.length; i++) {
- lines.set(i, newLayoutLines[i]);
- }
- lines.length = newLayout.length;
-}
-exports.reflowLargerApplyNewLayout = reflowLargerApplyNewLayout;
-function reflowSmallerGetNewLineLengths(wrappedLines, oldCols, newCols) {
- var newLineLengths = [];
- var cellsNeeded = wrappedLines.map(function (l, i) { return getWrappedLineTrimmedLength(wrappedLines, i, oldCols); }).reduce(function (p, c) { return p + c; });
- var srcCol = 0;
- var srcLine = 0;
- var cellsAvailable = 0;
- while (cellsAvailable < cellsNeeded) {
- if (cellsNeeded - cellsAvailable < newCols) {
- newLineLengths.push(cellsNeeded - cellsAvailable);
- break;
- }
- srcCol += newCols;
- var oldTrimmedLength = getWrappedLineTrimmedLength(wrappedLines, srcLine, oldCols);
- if (srcCol > oldTrimmedLength) {
- srcCol -= oldTrimmedLength;
- srcLine++;
- }
- var endsWithWide = wrappedLines[srcLine].getWidth(srcCol - 1) === 2;
- if (endsWithWide) {
- srcCol--;
- }
- var lineLength = endsWithWide ? newCols - 1 : newCols;
- newLineLengths.push(lineLength);
- cellsAvailable += lineLength;
- }
- return newLineLengths;
-}
-exports.reflowSmallerGetNewLineLengths = reflowSmallerGetNewLineLengths;
-function getWrappedLineTrimmedLength(lines, i, cols) {
- if (i === lines.length - 1) {
- return lines[i].getTrimmedLength();
- }
- var endsInNull = !(lines[i].hasContent(cols - 1)) && lines[i].getWidth(cols - 1) === 1;
- var followingLineStartsWithWide = lines[i + 1].getWidth(0) === 2;
- if (endsInNull && followingLineStartsWithWide) {
- return cols - 1;
- }
- return cols;
-}
-exports.getWrappedLineTrimmedLength = getWrappedLineTrimmedLength;
-
-},{}],5:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var Buffer_1 = require("./Buffer");
-var EventEmitter2_1 = require("./common/EventEmitter2");
-var BufferSet = (function () {
- function BufferSet(_terminal) {
- this._terminal = _terminal;
- this._onBufferActivate = new EventEmitter2_1.EventEmitter2();
- this._normal = new Buffer_1.Buffer(this._terminal, true);
- this._normal.fillViewportRows();
- this._alt = new Buffer_1.Buffer(this._terminal, false);
- this._activeBuffer = this._normal;
- this.setupTabStops();
- }
- Object.defineProperty(BufferSet.prototype, "onBufferActivate", {
- get: function () { return this._onBufferActivate.event; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(BufferSet.prototype, "alt", {
- get: function () {
- return this._alt;
- },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(BufferSet.prototype, "active", {
- get: function () {
- return this._activeBuffer;
- },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(BufferSet.prototype, "normal", {
- get: function () {
- return this._normal;
- },
- enumerable: true,
- configurable: true
- });
- BufferSet.prototype.activateNormalBuffer = function () {
- if (this._activeBuffer === this._normal) {
- return;
- }
- this._normal.x = this._alt.x;
- this._normal.y = this._alt.y;
- this._alt.clear();
- this._activeBuffer = this._normal;
- this._onBufferActivate.fire({
- activeBuffer: this._normal,
- inactiveBuffer: this._alt
- });
- };
- BufferSet.prototype.activateAltBuffer = function (fillAttr) {
- if (this._activeBuffer === this._alt) {
- return;
- }
- this._alt.fillViewportRows(fillAttr);
- this._alt.x = this._normal.x;
- this._alt.y = this._normal.y;
- this._activeBuffer = this._alt;
- this._onBufferActivate.fire({
- activeBuffer: this._alt,
- inactiveBuffer: this._normal
- });
- };
- BufferSet.prototype.resize = function (newCols, newRows) {
- this._normal.resize(newCols, newRows);
- this._alt.resize(newCols, newRows);
- };
- BufferSet.prototype.setupTabStops = function (i) {
- this._normal.setupTabStops(i);
- this._alt.setupTabStops(i);
- };
- return BufferSet;
-}());
-exports.BufferSet = BufferSet;
-
-},{"./Buffer":2,"./common/EventEmitter2":25}],6:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var EventEmitter2_1 = require("./common/EventEmitter2");
-var CharMeasure = (function () {
- function CharMeasure(document, parentElement) {
- this._onCharSizeChanged = new EventEmitter2_1.EventEmitter2();
- this._document = document;
- this._parentElement = parentElement;
- this._measureElement = this._document.createElement('span');
- this._measureElement.classList.add('xterm-char-measure-element');
- this._measureElement.textContent = 'W';
- this._measureElement.setAttribute('aria-hidden', 'true');
- this._parentElement.appendChild(this._measureElement);
- }
- Object.defineProperty(CharMeasure.prototype, "onCharSizeChanged", {
- get: function () { return this._onCharSizeChanged.event; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(CharMeasure.prototype, "width", {
- get: function () {
- return this._width;
- },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(CharMeasure.prototype, "height", {
- get: function () {
- return this._height;
- },
- enumerable: true,
- configurable: true
- });
- CharMeasure.prototype.measure = function (options) {
- this._measureElement.style.fontFamily = options.fontFamily;
- this._measureElement.style.fontSize = options.fontSize + "px";
- var geometry = this._measureElement.getBoundingClientRect();
- if (geometry.width === 0 || geometry.height === 0) {
- return;
- }
- var adjustedHeight = Math.ceil(geometry.height);
- if (this._width !== geometry.width || this._height !== adjustedHeight) {
- this._width = geometry.width;
- this._height = adjustedHeight;
- this._onCharSizeChanged.fire();
- }
- };
- return CharMeasure;
-}());
-exports.CharMeasure = CharMeasure;
-
-},{"./common/EventEmitter2":25}],7:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var TypedArrayUtils_1 = require("./common/TypedArrayUtils");
-exports.wcwidth = (function (opts) {
- var COMBINING_BMP = [
- [0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],
- [0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],
- [0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],
- [0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],
- [0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],
- [0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],
- [0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],
- [0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],
- [0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],
- [0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],
- [0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],
- [0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],
- [0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],
- [0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],
- [0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],
- [0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],
- [0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],
- [0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],
- [0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],
- [0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],
- [0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],
- [0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],
- [0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],
- [0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],
- [0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],
- [0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],
- [0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],
- [0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],
- [0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],
- [0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],
- [0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],
- [0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],
- [0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],
- [0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],
- [0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],
- [0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],
- [0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],
- [0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],
- [0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],
- [0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],
- [0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],
- [0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],
- [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB]
- ];
- var COMBINING_HIGH = [
- [0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],
- [0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],
- [0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],
- [0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],
- [0xE0100, 0xE01EF]
- ];
- function bisearch(ucs, data) {
- var min = 0;
- var max = data.length - 1;
- var mid;
- if (ucs < data[0][0] || ucs > data[max][1]) {
- return false;
- }
- while (max >= min) {
- mid = (min + max) >> 1;
- if (ucs > data[mid][1]) {
- min = mid + 1;
- }
- else if (ucs < data[mid][0]) {
- max = mid - 1;
- }
- else {
- return true;
- }
- }
- return false;
- }
- function wcwidthHigh(ucs) {
- if (bisearch(ucs, COMBINING_HIGH)) {
- return 0;
- }
- if ((ucs >= 0x20000 && ucs <= 0x2fffd) || (ucs >= 0x30000 && ucs <= 0x3fffd)) {
- return 2;
- }
- return 1;
- }
- var control = opts.control | 0;
- var table = new Uint8Array(65536);
- TypedArrayUtils_1.fill(table, 1);
- table[0] = opts.nul;
- TypedArrayUtils_1.fill(table, opts.control, 1, 32);
- TypedArrayUtils_1.fill(table, opts.control, 0x7f, 0xa0);
- TypedArrayUtils_1.fill(table, 2, 0x1100, 0x1160);
- table[0x2329] = 2;
- table[0x232a] = 2;
- TypedArrayUtils_1.fill(table, 2, 0x2e80, 0xa4d0);
- table[0x303f] = 1;
- TypedArrayUtils_1.fill(table, 2, 0xac00, 0xd7a4);
- TypedArrayUtils_1.fill(table, 2, 0xf900, 0xfb00);
- TypedArrayUtils_1.fill(table, 2, 0xfe10, 0xfe1a);
- TypedArrayUtils_1.fill(table, 2, 0xfe30, 0xfe70);
- TypedArrayUtils_1.fill(table, 2, 0xff00, 0xff61);
- TypedArrayUtils_1.fill(table, 2, 0xffe0, 0xffe7);
- for (var r = 0; r < COMBINING_BMP.length; ++r) {
- TypedArrayUtils_1.fill(table, 0, COMBINING_BMP[r][0], COMBINING_BMP[r][1] + 1);
- }
- return function (num) {
- if (num < 32) {
- return control | 0;
- }
- if (num < 127) {
- return 1;
- }
- if (num < 65536) {
- return table[num];
- }
- return wcwidthHigh(num);
- };
-})({ nul: 0, control: 0 });
-function getStringCellWidth(s) {
- var result = 0;
- var length = s.length;
- for (var i = 0; i < length; ++i) {
- var code = s.charCodeAt(i);
- if (0xD800 <= code && code <= 0xDBFF) {
- if (++i >= length) {
- return result + exports.wcwidth(code);
- }
- var second = s.charCodeAt(i);
- if (0xDC00 <= second && second <= 0xDFFF) {
- code = (code - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;
- }
- else {
- result += exports.wcwidth(second);
- }
- }
- result += exports.wcwidth(code);
- }
- return result;
-}
-exports.getStringCellWidth = getStringCellWidth;
-
-},{"./common/TypedArrayUtils":28}],8:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-function prepareTextForTerminal(text) {
- return text.replace(/\r?\n/g, '\r');
-}
-exports.prepareTextForTerminal = prepareTextForTerminal;
-function bracketTextForPaste(text, bracketedPasteMode) {
- if (bracketedPasteMode) {
- return '\x1b[200~' + text + '\x1b[201~';
- }
- return text;
-}
-exports.bracketTextForPaste = bracketTextForPaste;
-function copyHandler(ev, term, selectionManager) {
- if (term.browser.isMSIE) {
- window.clipboardData.setData('Text', selectionManager.selectionText);
- }
- else {
- ev.clipboardData.setData('text/plain', selectionManager.selectionText);
- }
- ev.preventDefault();
-}
-exports.copyHandler = copyHandler;
-function pasteHandler(ev, term) {
- ev.stopPropagation();
- var text;
- var dispatchPaste = function (text) {
- text = prepareTextForTerminal(text);
- text = bracketTextForPaste(text, term.bracketedPasteMode);
- term.handler(text);
- term.textarea.value = '';
- term.emit('paste', text);
- term.cancel(ev);
- };
- if (term.browser.isMSIE) {
- if (window.clipboardData) {
- text = window.clipboardData.getData('Text');
- dispatchPaste(text);
- }
- }
- else {
- if (ev.clipboardData) {
- text = ev.clipboardData.getData('text/plain');
- dispatchPaste(text);
- }
- }
-}
-exports.pasteHandler = pasteHandler;
-function moveTextAreaUnderMouseCursor(ev, term) {
- var pos = term.screenElement.getBoundingClientRect();
- var left = ev.clientX - pos.left - 10;
- var top = ev.clientY - pos.top - 10;
- term.textarea.style.position = 'absolute';
- term.textarea.style.width = '20px';
- term.textarea.style.height = '20px';
- term.textarea.style.left = left + "px";
- term.textarea.style.top = top + "px";
- term.textarea.style.zIndex = '1000';
- term.textarea.focus();
- setTimeout(function () {
- term.textarea.style.position = null;
- term.textarea.style.width = null;
- term.textarea.style.height = null;
- term.textarea.style.left = null;
- term.textarea.style.top = null;
- term.textarea.style.zIndex = null;
- }, 200);
-}
-exports.moveTextAreaUnderMouseCursor = moveTextAreaUnderMouseCursor;
-function rightClickHandler(ev, term, selectionManager, shouldSelectWord) {
- moveTextAreaUnderMouseCursor(ev, term);
- if (shouldSelectWord && !selectionManager.isClickInSelection(ev)) {
- selectionManager.selectWordAtCursor(ev);
- }
- term.textarea.value = selectionManager.selectionText;
- term.textarea.select();
-}
-exports.rightClickHandler = rightClickHandler;
-
-},{}],9:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var CompositionHelper = (function () {
- function CompositionHelper(_textarea, _compositionView, _terminal) {
- this._textarea = _textarea;
- this._compositionView = _compositionView;
- this._terminal = _terminal;
- this._isComposing = false;
- this._isSendingComposition = false;
- this._compositionPosition = { start: null, end: null };
- }
- CompositionHelper.prototype.compositionstart = function () {
- this._isComposing = true;
- this._compositionPosition.start = this._textarea.value.length;
- this._compositionView.textContent = '';
- this._compositionView.classList.add('active');
- };
- CompositionHelper.prototype.compositionupdate = function (ev) {
- var _this = this;
- this._compositionView.textContent = ev.data;
- this.updateCompositionElements();
- setTimeout(function () {
- _this._compositionPosition.end = _this._textarea.value.length;
- }, 0);
- };
- CompositionHelper.prototype.compositionend = function () {
- this._finalizeComposition(true);
- };
- CompositionHelper.prototype.keydown = function (ev) {
- if (this._isComposing || this._isSendingComposition) {
- if (ev.keyCode === 229) {
- return false;
- }
- else if (ev.keyCode === 16 || ev.keyCode === 17 || ev.keyCode === 18) {
- return false;
- }
- this._finalizeComposition(false);
- }
- if (ev.keyCode === 229) {
- this._handleAnyTextareaChanges();
- return false;
- }
- return true;
- };
- CompositionHelper.prototype._finalizeComposition = function (waitForPropagation) {
- var _this = this;
- this._compositionView.classList.remove('active');
- this._isComposing = false;
- this._clearTextareaPosition();
- if (!waitForPropagation) {
- this._isSendingComposition = false;
- var input = this._textarea.value.substring(this._compositionPosition.start, this._compositionPosition.end);
- this._terminal.handler(input);
- }
- else {
- var currentCompositionPosition_1 = {
- start: this._compositionPosition.start,
- end: this._compositionPosition.end
- };
- this._isSendingComposition = true;
- setTimeout(function () {
- if (_this._isSendingComposition) {
- _this._isSendingComposition = false;
- var input = void 0;
- if (_this._isComposing) {
- input = _this._textarea.value.substring(currentCompositionPosition_1.start, currentCompositionPosition_1.end);
- }
- else {
- input = _this._textarea.value.substring(currentCompositionPosition_1.start);
- }
- _this._terminal.handler(input);
- }
- }, 0);
- }
- };
- CompositionHelper.prototype._handleAnyTextareaChanges = function () {
- var _this = this;
- var oldValue = this._textarea.value;
- setTimeout(function () {
- if (!_this._isComposing) {
- var newValue = _this._textarea.value;
- var diff = newValue.replace(oldValue, '');
- if (diff.length > 0) {
- _this._terminal.handler(diff);
- }
- }
- }, 0);
- };
- CompositionHelper.prototype.updateCompositionElements = function (dontRecurse) {
- var _this = this;
- if (!this._isComposing) {
- return;
- }
- if (this._terminal.buffer.isCursorInViewport) {
- var cellHeight = Math.ceil(this._terminal.charMeasure.height * this._terminal.options.lineHeight);
- var cursorTop = this._terminal.buffer.y * cellHeight;
- var cursorLeft = this._terminal.buffer.x * this._terminal.charMeasure.width;
- this._compositionView.style.left = cursorLeft + 'px';
- this._compositionView.style.top = cursorTop + 'px';
- this._compositionView.style.height = cellHeight + 'px';
- this._compositionView.style.lineHeight = cellHeight + 'px';
- this._compositionView.style.fontFamily = this._terminal.options.fontFamily;
- this._compositionView.style.fontSize = this._terminal.options.fontSize + 'px';
- var compositionViewBounds = this._compositionView.getBoundingClientRect();
- this._textarea.style.left = cursorLeft + 'px';
- this._textarea.style.top = cursorTop + 'px';
- this._textarea.style.width = compositionViewBounds.width + 'px';
- this._textarea.style.height = compositionViewBounds.height + 'px';
- this._textarea.style.lineHeight = compositionViewBounds.height + 'px';
- }
- if (!dontRecurse) {
- setTimeout(function () { return _this.updateCompositionElements(true); }, 0);
- }
- };
- CompositionHelper.prototype._clearTextareaPosition = function () {
- this._textarea.style.left = '';
- this._textarea.style.top = '';
- };
- return CompositionHelper;
-}());
-exports.CompositionHelper = CompositionHelper;
-
-},{}],10:[function(require,module,exports){
-"use strict";
-var __extends = (this && this.__extends) || (function () {
- var extendStatics = function (d, b) {
- extendStatics = Object.setPrototypeOf ||
- ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
- function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
- return extendStatics(d, b);
- };
- return function (d, b) {
- extendStatics(d, b);
- function __() { this.constructor = d; }
- d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
- };
-})();
-Object.defineProperty(exports, "__esModule", { value: true });
-var Lifecycle_1 = require("./common/Lifecycle");
-var TextDecoder_1 = require("./core/input/TextDecoder");
-function r(low, high) {
- var c = high - low;
- var arr = new Array(c);
- while (c--) {
- arr[c] = --high;
- }
- return arr;
-}
-var TransitionTable = (function () {
- function TransitionTable(length) {
- this.table = (typeof Uint8Array === 'undefined')
- ? new Array(length)
- : new Uint8Array(length);
- }
- TransitionTable.prototype.add = function (code, state, action, next) {
- this.table[state << 8 | code] = ((action | 0) << 4) | ((next === undefined) ? state : next);
- };
- TransitionTable.prototype.addMany = function (codes, state, action, next) {
- for (var i = 0; i < codes.length; i++) {
- this.add(codes[i], state, action, next);
- }
- };
- return TransitionTable;
-}());
-exports.TransitionTable = TransitionTable;
-var PRINTABLES = r(0x20, 0x7f);
-var EXECUTABLES = r(0x00, 0x18);
-EXECUTABLES.push(0x19);
-EXECUTABLES.push.apply(EXECUTABLES, r(0x1c, 0x20));
-var NON_ASCII_PRINTABLE = 0xA0;
-exports.VT500_TRANSITION_TABLE = (function () {
- var table = new TransitionTable(4095);
- var states = r(0, 13 + 1);
- var state;
- for (state in states) {
- for (var code = 0; code <= NON_ASCII_PRINTABLE; ++code) {
- table.add(code, state, 1, 0);
- }
- }
- table.addMany(PRINTABLES, 0, 2, 0);
- for (state in states) {
- table.addMany([0x18, 0x1a, 0x99, 0x9a], state, 3, 0);
- table.addMany(r(0x80, 0x90), state, 3, 0);
- table.addMany(r(0x90, 0x98), state, 3, 0);
- table.add(0x9c, state, 0, 0);
- table.add(0x1b, state, 11, 1);
- table.add(0x9d, state, 4, 8);
- table.addMany([0x98, 0x9e, 0x9f], state, 0, 7);
- table.add(0x9b, state, 11, 3);
- table.add(0x90, state, 11, 9);
- }
- table.addMany(EXECUTABLES, 0, 3, 0);
- table.addMany(EXECUTABLES, 1, 3, 1);
- table.add(0x7f, 1, 0, 1);
- table.addMany(EXECUTABLES, 8, 0, 8);
- table.addMany(EXECUTABLES, 3, 3, 3);
- table.add(0x7f, 3, 0, 3);
- table.addMany(EXECUTABLES, 4, 3, 4);
- table.add(0x7f, 4, 0, 4);
- table.addMany(EXECUTABLES, 6, 3, 6);
- table.addMany(EXECUTABLES, 5, 3, 5);
- table.add(0x7f, 5, 0, 5);
- table.addMany(EXECUTABLES, 2, 3, 2);
- table.add(0x7f, 2, 0, 2);
- table.add(0x5d, 1, 4, 8);
- table.addMany(PRINTABLES, 8, 5, 8);
- table.add(0x7f, 8, 5, 8);
- table.addMany([0x9c, 0x1b, 0x18, 0x1a, 0x07], 8, 6, 0);
- table.addMany(r(0x1c, 0x20), 8, 0, 8);
- table.addMany([0x58, 0x5e, 0x5f], 1, 0, 7);
- table.addMany(PRINTABLES, 7, 0, 7);
- table.addMany(EXECUTABLES, 7, 0, 7);
- table.add(0x9c, 7, 0, 0);
- table.add(0x7f, 7, 0, 7);
- table.add(0x5b, 1, 11, 3);
- table.addMany(r(0x40, 0x7f), 3, 7, 0);
- table.addMany(r(0x30, 0x3a), 3, 8, 4);
- table.add(0x3b, 3, 8, 4);
- table.addMany([0x3c, 0x3d, 0x3e, 0x3f], 3, 9, 4);
- table.addMany(r(0x30, 0x3a), 4, 8, 4);
- table.add(0x3b, 4, 8, 4);
- table.addMany(r(0x40, 0x7f), 4, 7, 0);
- table.addMany([0x3a, 0x3c, 0x3d, 0x3e, 0x3f], 4, 0, 6);
- table.addMany(r(0x20, 0x40), 6, 0, 6);
- table.add(0x7f, 6, 0, 6);
- table.addMany(r(0x40, 0x7f), 6, 0, 0);
- table.add(0x3a, 3, 0, 6);
- table.addMany(r(0x20, 0x30), 3, 9, 5);
- table.addMany(r(0x20, 0x30), 5, 9, 5);
- table.addMany(r(0x30, 0x40), 5, 0, 6);
- table.addMany(r(0x40, 0x7f), 5, 7, 0);
- table.addMany(r(0x20, 0x30), 4, 9, 5);
- table.addMany(r(0x20, 0x30), 1, 9, 2);
- table.addMany(r(0x20, 0x30), 2, 9, 2);
- table.addMany(r(0x30, 0x7f), 2, 10, 0);
- table.addMany(r(0x30, 0x50), 1, 10, 0);
- table.addMany(r(0x51, 0x58), 1, 10, 0);
- table.addMany([0x59, 0x5a, 0x5c], 1, 10, 0);
- table.addMany(r(0x60, 0x7f), 1, 10, 0);
- table.add(0x50, 1, 11, 9);
- table.addMany(EXECUTABLES, 9, 0, 9);
- table.add(0x7f, 9, 0, 9);
- table.addMany(r(0x1c, 0x20), 9, 0, 9);
- table.addMany(r(0x20, 0x30), 9, 9, 12);
- table.add(0x3a, 9, 0, 11);
- table.addMany(r(0x30, 0x3a), 9, 8, 10);
- table.add(0x3b, 9, 8, 10);
- table.addMany([0x3c, 0x3d, 0x3e, 0x3f], 9, 9, 10);
- table.addMany(EXECUTABLES, 11, 0, 11);
- table.addMany(r(0x20, 0x80), 11, 0, 11);
- table.addMany(r(0x1c, 0x20), 11, 0, 11);
- table.addMany(EXECUTABLES, 10, 0, 10);
- table.add(0x7f, 10, 0, 10);
- table.addMany(r(0x1c, 0x20), 10, 0, 10);
- table.addMany(r(0x30, 0x3a), 10, 8, 10);
- table.add(0x3b, 10, 8, 10);
- table.addMany([0x3a, 0x3c, 0x3d, 0x3e, 0x3f], 10, 0, 11);
- table.addMany(r(0x20, 0x30), 10, 9, 12);
- table.addMany(EXECUTABLES, 12, 0, 12);
- table.add(0x7f, 12, 0, 12);
- table.addMany(r(0x1c, 0x20), 12, 0, 12);
- table.addMany(r(0x20, 0x30), 12, 9, 12);
- table.addMany(r(0x30, 0x40), 12, 0, 11);
- table.addMany(r(0x40, 0x7f), 12, 12, 13);
- table.addMany(r(0x40, 0x7f), 10, 12, 13);
- table.addMany(r(0x40, 0x7f), 9, 12, 13);
- table.addMany(EXECUTABLES, 13, 13, 13);
- table.addMany(PRINTABLES, 13, 13, 13);
- table.add(0x7f, 13, 0, 13);
- table.addMany([0x1b, 0x9c], 13, 14, 0);
- table.add(NON_ASCII_PRINTABLE, 8, 5, 8);
- return table;
-})();
-var DcsDummy = (function () {
- function DcsDummy() {
- }
- DcsDummy.prototype.hook = function (collect, params, flag) { };
- DcsDummy.prototype.put = function (data, start, end) { };
- DcsDummy.prototype.unhook = function () { };
- return DcsDummy;
-}());
-var EscapeSequenceParser = (function (_super) {
- __extends(EscapeSequenceParser, _super);
- function EscapeSequenceParser(TRANSITIONS) {
- if (TRANSITIONS === void 0) { TRANSITIONS = exports.VT500_TRANSITION_TABLE; }
- var _this = _super.call(this) || this;
- _this.TRANSITIONS = TRANSITIONS;
- _this.initialState = 0;
- _this.currentState = _this.initialState;
- _this._osc = '';
- _this._params = [0];
- _this._collect = '';
- _this._printHandlerFb = function (data, start, end) { };
- _this._executeHandlerFb = function (code) { };
- _this._csiHandlerFb = function (collect, params, flag) { };
- _this._escHandlerFb = function (collect, flag) { };
- _this._oscHandlerFb = function (identifier, data) { };
- _this._dcsHandlerFb = new DcsDummy();
- _this._errorHandlerFb = function (state) { return state; };
- _this._printHandler = _this._printHandlerFb;
- _this._executeHandlers = Object.create(null);
- _this._csiHandlers = Object.create(null);
- _this._escHandlers = Object.create(null);
- _this._oscHandlers = Object.create(null);
- _this._dcsHandlers = Object.create(null);
- _this._activeDcsHandler = null;
- _this._errorHandler = _this._errorHandlerFb;
- _this.setEscHandler('\\', function () { });
- return _this;
- }
- EscapeSequenceParser.prototype.dispose = function () {
- this._printHandlerFb = null;
- this._executeHandlerFb = null;
- this._csiHandlerFb = null;
- this._escHandlerFb = null;
- this._oscHandlerFb = null;
- this._dcsHandlerFb = null;
- this._errorHandlerFb = null;
- this._printHandler = null;
- this._executeHandlers = null;
- this._escHandlers = null;
- this._csiHandlers = null;
- this._oscHandlers = null;
- this._dcsHandlers = null;
- this._activeDcsHandler = null;
- this._errorHandler = null;
- };
- EscapeSequenceParser.prototype.setPrintHandler = function (callback) {
- this._printHandler = callback;
- };
- EscapeSequenceParser.prototype.clearPrintHandler = function () {
- this._printHandler = this._printHandlerFb;
- };
- EscapeSequenceParser.prototype.setExecuteHandler = function (flag, callback) {
- this._executeHandlers[flag.charCodeAt(0)] = callback;
- };
- EscapeSequenceParser.prototype.clearExecuteHandler = function (flag) {
- if (this._executeHandlers[flag.charCodeAt(0)])
- delete this._executeHandlers[flag.charCodeAt(0)];
- };
- EscapeSequenceParser.prototype.setExecuteHandlerFallback = function (callback) {
- this._executeHandlerFb = callback;
- };
- EscapeSequenceParser.prototype.addCsiHandler = function (flag, callback) {
- var index = flag.charCodeAt(0);
- if (this._csiHandlers[index] === undefined) {
- this._csiHandlers[index] = [];
- }
- var handlerList = this._csiHandlers[index];
- handlerList.push(callback);
- return {
- dispose: function () {
- var handlerIndex = handlerList.indexOf(callback);
- if (handlerIndex !== -1) {
- handlerList.splice(handlerIndex, 1);
- }
- }
- };
- };
- EscapeSequenceParser.prototype.setCsiHandler = function (flag, callback) {
- this._csiHandlers[flag.charCodeAt(0)] = [callback];
- };
- EscapeSequenceParser.prototype.clearCsiHandler = function (flag) {
- if (this._csiHandlers[flag.charCodeAt(0)])
- delete this._csiHandlers[flag.charCodeAt(0)];
- };
- EscapeSequenceParser.prototype.setCsiHandlerFallback = function (callback) {
- this._csiHandlerFb = callback;
- };
- EscapeSequenceParser.prototype.setEscHandler = function (collectAndFlag, callback) {
- this._escHandlers[collectAndFlag] = callback;
- };
- EscapeSequenceParser.prototype.clearEscHandler = function (collectAndFlag) {
- if (this._escHandlers[collectAndFlag])
- delete this._escHandlers[collectAndFlag];
- };
- EscapeSequenceParser.prototype.setEscHandlerFallback = function (callback) {
- this._escHandlerFb = callback;
- };
- EscapeSequenceParser.prototype.addOscHandler = function (ident, callback) {
- if (this._oscHandlers[ident] === undefined) {
- this._oscHandlers[ident] = [];
- }
- var handlerList = this._oscHandlers[ident];
- handlerList.push(callback);
- return {
- dispose: function () {
- var handlerIndex = handlerList.indexOf(callback);
- if (handlerIndex !== -1) {
- handlerList.splice(handlerIndex, 1);
- }
- }
- };
- };
- EscapeSequenceParser.prototype.setOscHandler = function (ident, callback) {
- this._oscHandlers[ident] = [callback];
- };
- EscapeSequenceParser.prototype.clearOscHandler = function (ident) {
- if (this._oscHandlers[ident])
- delete this._oscHandlers[ident];
- };
- EscapeSequenceParser.prototype.setOscHandlerFallback = function (callback) {
- this._oscHandlerFb = callback;
- };
- EscapeSequenceParser.prototype.setDcsHandler = function (collectAndFlag, handler) {
- this._dcsHandlers[collectAndFlag] = handler;
- };
- EscapeSequenceParser.prototype.clearDcsHandler = function (collectAndFlag) {
- if (this._dcsHandlers[collectAndFlag])
- delete this._dcsHandlers[collectAndFlag];
- };
- EscapeSequenceParser.prototype.setDcsHandlerFallback = function (handler) {
- this._dcsHandlerFb = handler;
- };
- EscapeSequenceParser.prototype.setErrorHandler = function (callback) {
- this._errorHandler = callback;
- };
- EscapeSequenceParser.prototype.clearErrorHandler = function () {
- this._errorHandler = this._errorHandlerFb;
- };
- EscapeSequenceParser.prototype.reset = function () {
- this.currentState = this.initialState;
- this._osc = '';
- this._params = [0];
- this._collect = '';
- this._activeDcsHandler = null;
- };
- EscapeSequenceParser.prototype.parse = function (data, length) {
- var code = 0;
- var transition = 0;
- var error = false;
- var currentState = this.currentState;
- var print = -1;
- var dcs = -1;
- var osc = this._osc;
- var collect = this._collect;
- var params = this._params;
- var table = this.TRANSITIONS.table;
- var dcsHandler = this._activeDcsHandler;
- var callback = null;
- for (var i = 0; i < length; ++i) {
- code = data[i];
- if (currentState === 0 && code > 0x1f && code < 0x80) {
- print = (~print) ? print : i;
- do
- i++;
- while (i < length && data[i] > 0x1f && data[i] < 0x80);
- i--;
- continue;
- }
- if (currentState === 4 && (code > 0x2f && code < 0x39)) {
- params[params.length - 1] = params[params.length - 1] * 10 + code - 48;
- continue;
- }
- transition = table[currentState << 8 | (code < 0xa0 ? code : NON_ASCII_PRINTABLE)];
- switch (transition >> 4) {
- case 2:
- print = (~print) ? print : i;
- break;
- case 3:
- if (~print) {
- this._printHandler(data, print, i);
- print = -1;
- }
- callback = this._executeHandlers[code];
- if (callback)
- callback();
- else
- this._executeHandlerFb(code);
- break;
- case 0:
- if (~print) {
- this._printHandler(data, print, i);
- print = -1;
- }
- else if (~dcs) {
- dcsHandler.put(data, dcs, i);
- dcs = -1;
- }
- break;
- case 1:
- if (code > 0x9f) {
- switch (currentState) {
- case 0:
- print = (~print) ? print : i;
- break;
- case 6:
- transition |= 6;
- break;
- case 11:
- transition |= 11;
- break;
- case 13:
- dcs = (~dcs) ? dcs : i;
- transition |= 13;
- break;
- default:
- error = true;
- }
- }
- else {
- error = true;
- }
- if (error) {
- var inject = this._errorHandler({
- position: i,
- code: code,
- currentState: currentState,
- print: print,
- dcs: dcs,
- osc: osc,
- collect: collect,
- params: params,
- abort: false
- });
- if (inject.abort)
- return;
- error = false;
- }
- break;
- case 7:
- var handlers = this._csiHandlers[code];
- var j = handlers ? handlers.length - 1 : -1;
- for (; j >= 0; j--) {
- if (handlers[j](params, collect) !== false) {
- break;
- }
- }
- if (j < 0) {
- this._csiHandlerFb(collect, params, code);
- }
- break;
- case 8:
- if (code === 0x3b)
- params.push(0);
- else
- params[params.length - 1] = params[params.length - 1] * 10 + code - 48;
- break;
- case 9:
- collect += String.fromCharCode(code);
- break;
- case 10:
- callback = this._escHandlers[collect + String.fromCharCode(code)];
- if (callback)
- callback(collect, code);
- else
- this._escHandlerFb(collect, code);
- break;
- case 11:
- if (~print) {
- this._printHandler(data, print, i);
- print = -1;
- }
- osc = '';
- params = [0];
- collect = '';
- dcs = -1;
- break;
- case 12:
- dcsHandler = this._dcsHandlers[collect + String.fromCharCode(code)];
- if (!dcsHandler)
- dcsHandler = this._dcsHandlerFb;
- dcsHandler.hook(collect, params, code);
- break;
- case 13:
- dcs = (~dcs) ? dcs : i;
- break;
- case 14:
- if (dcsHandler) {
- if (~dcs)
- dcsHandler.put(data, dcs, i);
- dcsHandler.unhook();
- dcsHandler = null;
- }
- if (code === 0x1b)
- transition |= 1;
- osc = '';
- params = [0];
- collect = '';
- dcs = -1;
- break;
- case 4:
- if (~print) {
- this._printHandler(data, print, i);
- print = -1;
- }
- osc = '';
- break;
- case 5:
- for (var j_1 = i + 1;; j_1++) {
- if (j_1 >= length
- || (code = data[j_1]) < 0x20
- || (code > 0x7f && code <= 0x9f)) {
- osc += TextDecoder_1.utf32ToString(data, i, j_1);
- i = j_1 - 1;
- break;
- }
- }
- break;
- case 6:
- if (osc && code !== 0x18 && code !== 0x1a) {
- var idx = osc.indexOf(';');
- if (idx === -1) {
- this._oscHandlerFb(-1, osc);
- }
- else {
- var identifier = parseInt(osc.substring(0, idx));
- var content = osc.substring(idx + 1);
- var handlers_1 = this._oscHandlers[identifier];
- var j_2 = handlers_1 ? handlers_1.length - 1 : -1;
- for (; j_2 >= 0; j_2--) {
- if (handlers_1[j_2](content) !== false) {
- break;
- }
- }
- if (j_2 < 0) {
- this._oscHandlerFb(identifier, content);
- }
- }
- }
- if (code === 0x1b)
- transition |= 1;
- osc = '';
- params = [0];
- collect = '';
- dcs = -1;
- break;
- }
- currentState = transition & 15;
- }
- if (currentState === 0 && ~print) {
- this._printHandler(data, print, length);
- }
- else if (currentState === 13 && ~dcs && dcsHandler) {
- dcsHandler.put(data, dcs, length);
- }
- this._osc = osc;
- this._collect = collect;
- this._params = params;
- this._activeDcsHandler = dcsHandler;
- this.currentState = currentState;
- };
- return EscapeSequenceParser;
-}(Lifecycle_1.Disposable));
-exports.EscapeSequenceParser = EscapeSequenceParser;
-
-},{"./common/Lifecycle":26,"./core/input/TextDecoder":32}],11:[function(require,module,exports){
-"use strict";
-var __extends = (this && this.__extends) || (function () {
- var extendStatics = function (d, b) {
- extendStatics = Object.setPrototypeOf ||
- ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
- function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
- return extendStatics(d, b);
- };
- return function (d, b) {
- extendStatics(d, b);
- function __() { this.constructor = d; }
- d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
- };
-})();
-Object.defineProperty(exports, "__esModule", { value: true });
-var EscapeSequences_1 = require("./common/data/EscapeSequences");
-var Charsets_1 = require("./core/data/Charsets");
-var Buffer_1 = require("./Buffer");
-var CharWidth_1 = require("./CharWidth");
-var EscapeSequenceParser_1 = require("./EscapeSequenceParser");
-var Lifecycle_1 = require("./common/Lifecycle");
-var TypedArrayUtils_1 = require("./common/TypedArrayUtils");
-var TextDecoder_1 = require("./core/input/TextDecoder");
-var BufferLine_1 = require("./BufferLine");
-var EventEmitter2_1 = require("./common/EventEmitter2");
-var GLEVEL = { '(': 0, ')': 1, '*': 2, '+': 3, '-': 1, '.': 2 };
-var DECRQSS = (function () {
- function DECRQSS(_terminal) {
- this._terminal = _terminal;
- this._data = new Uint32Array(0);
- }
- DECRQSS.prototype.hook = function (collect, params, flag) {
- this._data = new Uint32Array(0);
- };
- DECRQSS.prototype.put = function (data, start, end) {
- this._data = TypedArrayUtils_1.concat(this._data, data.subarray(start, end));
- };
- DECRQSS.prototype.unhook = function () {
- var data = TextDecoder_1.utf32ToString(this._data);
- this._data = new Uint32Array(0);
- switch (data) {
- case '"q':
- return this._terminal.handler(EscapeSequences_1.C0.ESC + "P1$r0\"q" + EscapeSequences_1.C0.ESC + "\\");
- case '"p':
- return this._terminal.handler(EscapeSequences_1.C0.ESC + "P1$r61\"p" + EscapeSequences_1.C0.ESC + "\\");
- case 'r':
- var pt = '' + (this._terminal.buffer.scrollTop + 1) +
- ';' + (this._terminal.buffer.scrollBottom + 1) + 'r';
- return this._terminal.handler(EscapeSequences_1.C0.ESC + "P1$r" + pt + EscapeSequences_1.C0.ESC + "\\");
- case 'm':
- return this._terminal.handler(EscapeSequences_1.C0.ESC + "P1$r0m" + EscapeSequences_1.C0.ESC + "\\");
- case ' q':
- var STYLES = { 'block': 2, 'underline': 4, 'bar': 6 };
- var style = STYLES[this._terminal.getOption('cursorStyle')];
- style -= this._terminal.getOption('cursorBlink');
- return this._terminal.handler(EscapeSequences_1.C0.ESC + "P1$r" + style + " q" + EscapeSequences_1.C0.ESC + "\\");
- default:
- this._terminal.error('Unknown DCS $q %s', data);
- this._terminal.handler(EscapeSequences_1.C0.ESC + "P0$r" + EscapeSequences_1.C0.ESC + "\\");
- }
- };
- return DECRQSS;
-}());
-var InputHandler = (function (_super) {
- __extends(InputHandler, _super);
- function InputHandler(_terminal, _parser) {
- if (_parser === void 0) { _parser = new EscapeSequenceParser_1.EscapeSequenceParser(); }
- var _this = _super.call(this) || this;
- _this._terminal = _terminal;
- _this._parser = _parser;
- _this._parseBuffer = new Uint32Array(4096);
- _this._stringDecoder = new TextDecoder_1.StringToUtf32();
- _this._workCell = new BufferLine_1.CellData();
- _this._onCursorMove = new EventEmitter2_1.EventEmitter2();
- _this._onData = new EventEmitter2_1.EventEmitter2();
- _this._onLineFeed = new EventEmitter2_1.EventEmitter2();
- _this._onScroll = new EventEmitter2_1.EventEmitter2();
- _this.register(_this._parser);
- _this._parser.setCsiHandlerFallback(function (collect, params, flag) {
- _this._terminal.error('Unknown CSI code: ', { collect: collect, params: params, flag: String.fromCharCode(flag) });
- });
- _this._parser.setEscHandlerFallback(function (collect, flag) {
- _this._terminal.error('Unknown ESC code: ', { collect: collect, flag: String.fromCharCode(flag) });
- });
- _this._parser.setExecuteHandlerFallback(function (code) {
- _this._terminal.error('Unknown EXECUTE code: ', { code: code });
- });
- _this._parser.setOscHandlerFallback(function (identifier, data) {
- _this._terminal.error('Unknown OSC code: ', { identifier: identifier, data: data });
- });
- _this._parser.setPrintHandler(function (data, start, end) { return _this.print(data, start, end); });
- _this._parser.setCsiHandler('@', function (params, collect) { return _this.insertChars(params); });
- _this._parser.setCsiHandler('A', function (params, collect) { return _this.cursorUp(params); });
- _this._parser.setCsiHandler('B', function (params, collect) { return _this.cursorDown(params); });
- _this._parser.setCsiHandler('C', function (params, collect) { return _this.cursorForward(params); });
- _this._parser.setCsiHandler('D', function (params, collect) { return _this.cursorBackward(params); });
- _this._parser.setCsiHandler('E', function (params, collect) { return _this.cursorNextLine(params); });
- _this._parser.setCsiHandler('F', function (params, collect) { return _this.cursorPrecedingLine(params); });
- _this._parser.setCsiHandler('G', function (params, collect) { return _this.cursorCharAbsolute(params); });
- _this._parser.setCsiHandler('H', function (params, collect) { return _this.cursorPosition(params); });
- _this._parser.setCsiHandler('I', function (params, collect) { return _this.cursorForwardTab(params); });
- _this._parser.setCsiHandler('J', function (params, collect) { return _this.eraseInDisplay(params); });
- _this._parser.setCsiHandler('K', function (params, collect) { return _this.eraseInLine(params); });
- _this._parser.setCsiHandler('L', function (params, collect) { return _this.insertLines(params); });
- _this._parser.setCsiHandler('M', function (params, collect) { return _this.deleteLines(params); });
- _this._parser.setCsiHandler('P', function (params, collect) { return _this.deleteChars(params); });
- _this._parser.setCsiHandler('S', function (params, collect) { return _this.scrollUp(params); });
- _this._parser.setCsiHandler('T', function (params, collect) { return _this.scrollDown(params, collect); });
- _this._parser.setCsiHandler('X', function (params, collect) { return _this.eraseChars(params); });
- _this._parser.setCsiHandler('Z', function (params, collect) { return _this.cursorBackwardTab(params); });
- _this._parser.setCsiHandler('`', function (params, collect) { return _this.charPosAbsolute(params); });
- _this._parser.setCsiHandler('a', function (params, collect) { return _this.hPositionRelative(params); });
- _this._parser.setCsiHandler('b', function (params, collect) { return _this.repeatPrecedingCharacter(params); });
- _this._parser.setCsiHandler('c', function (params, collect) { return _this.sendDeviceAttributes(params, collect); });
- _this._parser.setCsiHandler('d', function (params, collect) { return _this.linePosAbsolute(params); });
- _this._parser.setCsiHandler('e', function (params, collect) { return _this.vPositionRelative(params); });
- _this._parser.setCsiHandler('f', function (params, collect) { return _this.hVPosition(params); });
- _this._parser.setCsiHandler('g', function (params, collect) { return _this.tabClear(params); });
- _this._parser.setCsiHandler('h', function (params, collect) { return _this.setMode(params, collect); });
- _this._parser.setCsiHandler('l', function (params, collect) { return _this.resetMode(params, collect); });
- _this._parser.setCsiHandler('m', function (params, collect) { return _this.charAttributes(params); });
- _this._parser.setCsiHandler('n', function (params, collect) { return _this.deviceStatus(params, collect); });
- _this._parser.setCsiHandler('p', function (params, collect) { return _this.softReset(params, collect); });
- _this._parser.setCsiHandler('q', function (params, collect) { return _this.setCursorStyle(params, collect); });
- _this._parser.setCsiHandler('r', function (params, collect) { return _this.setScrollRegion(params, collect); });
- _this._parser.setCsiHandler('s', function (params, collect) { return _this.saveCursor(params); });
- _this._parser.setCsiHandler('u', function (params, collect) { return _this.restoreCursor(params); });
- _this._parser.setExecuteHandler(EscapeSequences_1.C0.BEL, function () { return _this.bell(); });
- _this._parser.setExecuteHandler(EscapeSequences_1.C0.LF, function () { return _this.lineFeed(); });
- _this._parser.setExecuteHandler(EscapeSequences_1.C0.VT, function () { return _this.lineFeed(); });
- _this._parser.setExecuteHandler(EscapeSequences_1.C0.FF, function () { return _this.lineFeed(); });
- _this._parser.setExecuteHandler(EscapeSequences_1.C0.CR, function () { return _this.carriageReturn(); });
- _this._parser.setExecuteHandler(EscapeSequences_1.C0.BS, function () { return _this.backspace(); });
- _this._parser.setExecuteHandler(EscapeSequences_1.C0.HT, function () { return _this.tab(); });
- _this._parser.setExecuteHandler(EscapeSequences_1.C0.SO, function () { return _this.shiftOut(); });
- _this._parser.setExecuteHandler(EscapeSequences_1.C0.SI, function () { return _this.shiftIn(); });
- _this._parser.setExecuteHandler(EscapeSequences_1.C1.IND, function () { return _this.index(); });
- _this._parser.setExecuteHandler(EscapeSequences_1.C1.NEL, function () { return _this.nextLine(); });
- _this._parser.setExecuteHandler(EscapeSequences_1.C1.HTS, function () { return _this.tabSet(); });
- _this._parser.setOscHandler(0, function (data) { return _this.setTitle(data); });
- _this._parser.setOscHandler(2, function (data) { return _this.setTitle(data); });
- _this._parser.setEscHandler('7', function () { return _this.saveCursor([]); });
- _this._parser.setEscHandler('8', function () { return _this.restoreCursor([]); });
- _this._parser.setEscHandler('D', function () { return _this.index(); });
- _this._parser.setEscHandler('E', function () { return _this.nextLine(); });
- _this._parser.setEscHandler('H', function () { return _this.tabSet(); });
- _this._parser.setEscHandler('M', function () { return _this.reverseIndex(); });
- _this._parser.setEscHandler('=', function () { return _this.keypadApplicationMode(); });
- _this._parser.setEscHandler('>', function () { return _this.keypadNumericMode(); });
- _this._parser.setEscHandler('c', function () { return _this.reset(); });
- _this._parser.setEscHandler('n', function () { return _this.setgLevel(2); });
- _this._parser.setEscHandler('o', function () { return _this.setgLevel(3); });
- _this._parser.setEscHandler('|', function () { return _this.setgLevel(3); });
- _this._parser.setEscHandler('}', function () { return _this.setgLevel(2); });
- _this._parser.setEscHandler('~', function () { return _this.setgLevel(1); });
- _this._parser.setEscHandler('%@', function () { return _this.selectDefaultCharset(); });
- _this._parser.setEscHandler('%G', function () { return _this.selectDefaultCharset(); });
- var _loop_1 = function (flag) {
- this_1._parser.setEscHandler('(' + flag, function () { return _this.selectCharset('(' + flag); });
- this_1._parser.setEscHandler(')' + flag, function () { return _this.selectCharset(')' + flag); });
- this_1._parser.setEscHandler('*' + flag, function () { return _this.selectCharset('*' + flag); });
- this_1._parser.setEscHandler('+' + flag, function () { return _this.selectCharset('+' + flag); });
- this_1._parser.setEscHandler('-' + flag, function () { return _this.selectCharset('-' + flag); });
- this_1._parser.setEscHandler('.' + flag, function () { return _this.selectCharset('.' + flag); });
- this_1._parser.setEscHandler('/' + flag, function () { return _this.selectCharset('/' + flag); });
- };
- var this_1 = this;
- for (var flag in Charsets_1.CHARSETS) {
- _loop_1(flag);
- }
- _this._parser.setErrorHandler(function (state) {
- _this._terminal.error('Parsing error: ', state);
- return state;
- });
- _this._parser.setDcsHandler('$q', new DECRQSS(_this._terminal));
- return _this;
- }
- Object.defineProperty(InputHandler.prototype, "onCursorMove", {
- get: function () { return this._onCursorMove.event; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(InputHandler.prototype, "onData", {
- get: function () { return this._onData.event; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(InputHandler.prototype, "onLineFeed", {
- get: function () { return this._onLineFeed.event; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(InputHandler.prototype, "onScroll", {
- get: function () { return this._onScroll.event; },
- enumerable: true,
- configurable: true
- });
- InputHandler.prototype.dispose = function () {
- _super.prototype.dispose.call(this);
- this._terminal = null;
- };
- InputHandler.prototype.parse = function (data) {
- if (!this._terminal) {
- return;
- }
- var buffer = this._terminal.buffer;
- var cursorStartX = buffer.x;
- var cursorStartY = buffer.y;
- if (this._terminal.debug) {
- this._terminal.log('data: ' + data);
- }
- if (this._parseBuffer.length < data.length) {
- this._parseBuffer = new Uint32Array(data.length);
- }
- this._parser.parse(this._parseBuffer, this._stringDecoder.decode(data, this._parseBuffer));
- buffer = this._terminal.buffer;
- if (buffer.x !== cursorStartX || buffer.y !== cursorStartY) {
- this._onCursorMove.fire();
- }
- };
- InputHandler.prototype.print = function (data, start, end) {
- var code;
- var chWidth;
- var buffer = this._terminal.buffer;
- var charset = this._terminal.charset;
- var screenReaderMode = this._terminal.options.screenReaderMode;
- var cols = this._terminal.cols;
- var wraparoundMode = this._terminal.wraparoundMode;
- var insertMode = this._terminal.insertMode;
- var curAttr = this._terminal.curAttrData;
- var bufferRow = buffer.lines.get(buffer.y + buffer.ybase);
- this._terminal.updateRange(buffer.y);
- for (var pos = start; pos < end; ++pos) {
- code = data[pos];
- chWidth = CharWidth_1.wcwidth(code);
- if (code < 127 && charset) {
- var ch = charset[String.fromCharCode(code)];
- if (ch) {
- code = ch.charCodeAt(0);
- }
- }
- if (screenReaderMode) {
- this._terminal.emit('a11y.char', TextDecoder_1.stringFromCodePoint(code));
- }
- if (!chWidth && buffer.x) {
- if (!bufferRow.getWidth(buffer.x - 1)) {
- bufferRow.addCodepointToCell(buffer.x - 2, code);
- }
- else {
- bufferRow.addCodepointToCell(buffer.x - 1, code);
- }
- continue;
- }
- if (buffer.x + chWidth - 1 >= cols) {
- if (wraparoundMode) {
- buffer.x = 0;
- buffer.y++;
- if (buffer.y > buffer.scrollBottom) {
- buffer.y--;
- this._terminal.scroll(true);
- }
- else {
- buffer.lines.get(buffer.y).isWrapped = true;
- }
- bufferRow = buffer.lines.get(buffer.y + buffer.ybase);
- }
- else {
- if (chWidth === 2) {
- continue;
- }
- }
- }
- if (insertMode) {
- bufferRow.insertCells(buffer.x, chWidth, buffer.getNullCell(curAttr));
- if (bufferRow.getWidth(cols - 1) === 2) {
- bufferRow.setCellFromCodePoint(cols - 1, Buffer_1.NULL_CELL_CODE, Buffer_1.NULL_CELL_WIDTH, curAttr.fg, curAttr.bg);
- }
- }
- bufferRow.setCellFromCodePoint(buffer.x++, code, chWidth, curAttr.fg, curAttr.bg);
- if (chWidth > 0) {
- while (--chWidth) {
- bufferRow.setCellFromCodePoint(buffer.x++, 0, 0, curAttr.fg, curAttr.bg);
- }
- }
- }
- this._terminal.updateRange(buffer.y);
- };
- InputHandler.prototype.addCsiHandler = function (flag, callback) {
- return this._parser.addCsiHandler(flag, callback);
- };
- InputHandler.prototype.addOscHandler = function (ident, callback) {
- return this._parser.addOscHandler(ident, callback);
- };
- InputHandler.prototype.bell = function () {
- this._terminal.bell();
- };
- InputHandler.prototype.lineFeed = function () {
- var buffer = this._terminal.buffer;
- if (this._terminal.options.convertEol) {
- buffer.x = 0;
- }
- buffer.y++;
- if (buffer.y > buffer.scrollBottom) {
- buffer.y--;
- this._terminal.scroll();
- }
- if (buffer.x >= this._terminal.cols) {
- buffer.x--;
- }
- this._onLineFeed.fire();
- };
- InputHandler.prototype.carriageReturn = function () {
- this._terminal.buffer.x = 0;
- };
- InputHandler.prototype.backspace = function () {
- if (this._terminal.buffer.x > 0) {
- this._terminal.buffer.x--;
- }
- };
- InputHandler.prototype.tab = function () {
- var originalX = this._terminal.buffer.x;
- this._terminal.buffer.x = this._terminal.buffer.nextStop();
- if (this._terminal.options.screenReaderMode) {
- this._terminal.emit('a11y.tab', this._terminal.buffer.x - originalX);
- }
- };
- InputHandler.prototype.shiftOut = function () {
- this._terminal.setgLevel(1);
- };
- InputHandler.prototype.shiftIn = function () {
- this._terminal.setgLevel(0);
- };
- InputHandler.prototype.insertChars = function (params) {
- this._terminal.buffer.lines.get(this._terminal.buffer.y + this._terminal.buffer.ybase).insertCells(this._terminal.buffer.x, params[0] || 1, this._terminal.buffer.getNullCell(this._terminal.eraseAttrData()));
- this._terminal.updateRange(this._terminal.buffer.y);
- };
- InputHandler.prototype.cursorUp = function (params) {
- var param = params[0];
- if (param < 1) {
- param = 1;
- }
- this._terminal.buffer.y -= param;
- if (this._terminal.buffer.y < 0) {
- this._terminal.buffer.y = 0;
- }
- };
- InputHandler.prototype.cursorDown = function (params) {
- var param = params[0];
- if (param < 1) {
- param = 1;
- }
- this._terminal.buffer.y += param;
- if (this._terminal.buffer.y >= this._terminal.rows) {
- this._terminal.buffer.y = this._terminal.rows - 1;
- }
- if (this._terminal.buffer.x >= this._terminal.cols) {
- this._terminal.buffer.x--;
- }
- };
- InputHandler.prototype.cursorForward = function (params) {
- var param = params[0];
- if (param < 1) {
- param = 1;
- }
- this._terminal.buffer.x += param;
- if (this._terminal.buffer.x >= this._terminal.cols) {
- this._terminal.buffer.x = this._terminal.cols - 1;
- }
- };
- InputHandler.prototype.cursorBackward = function (params) {
- var param = params[0];
- if (param < 1) {
- param = 1;
- }
- if (this._terminal.buffer.x >= this._terminal.cols) {
- this._terminal.buffer.x--;
- }
- this._terminal.buffer.x -= param;
- if (this._terminal.buffer.x < 0) {
- this._terminal.buffer.x = 0;
- }
- };
- InputHandler.prototype.cursorNextLine = function (params) {
- var param = params[0];
- if (param < 1) {
- param = 1;
- }
- this._terminal.buffer.y += param;
- if (this._terminal.buffer.y >= this._terminal.rows) {
- this._terminal.buffer.y = this._terminal.rows - 1;
- }
- this._terminal.buffer.x = 0;
- };
- InputHandler.prototype.cursorPrecedingLine = function (params) {
- var param = params[0];
- if (param < 1) {
- param = 1;
- }
- this._terminal.buffer.y -= param;
- if (this._terminal.buffer.y < 0) {
- this._terminal.buffer.y = 0;
- }
- this._terminal.buffer.x = 0;
- };
- InputHandler.prototype.cursorCharAbsolute = function (params) {
- var param = params[0];
- if (param < 1) {
- param = 1;
- }
- this._terminal.buffer.x = param - 1;
- };
- InputHandler.prototype.cursorPosition = function (params) {
- var col;
- var row = params[0] - 1;
- if (params.length >= 2) {
- col = params[1] - 1;
- }
- else {
- col = 0;
- }
- if (row < 0) {
- row = 0;
- }
- else if (row >= this._terminal.rows) {
- row = this._terminal.rows - 1;
- }
- if (col < 0) {
- col = 0;
- }
- else if (col >= this._terminal.cols) {
- col = this._terminal.cols - 1;
- }
- this._terminal.buffer.x = col;
- this._terminal.buffer.y = row;
- };
- InputHandler.prototype.cursorForwardTab = function (params) {
- var param = params[0] || 1;
- while (param--) {
- this._terminal.buffer.x = this._terminal.buffer.nextStop();
- }
- };
- InputHandler.prototype._eraseInBufferLine = function (y, start, end, clearWrap) {
- if (clearWrap === void 0) { clearWrap = false; }
- var line = this._terminal.buffer.lines.get(this._terminal.buffer.ybase + y);
- line.replaceCells(start, end, this._terminal.buffer.getNullCell(this._terminal.eraseAttrData()));
- if (clearWrap) {
- line.isWrapped = false;
- }
- };
- InputHandler.prototype._resetBufferLine = function (y) {
- this._eraseInBufferLine(y, 0, this._terminal.cols, true);
- };
- InputHandler.prototype.eraseInDisplay = function (params) {
- var j;
- switch (params[0]) {
- case 0:
- j = this._terminal.buffer.y;
- this._terminal.updateRange(j);
- this._eraseInBufferLine(j++, this._terminal.buffer.x, this._terminal.cols, this._terminal.buffer.x === 0);
- for (; j < this._terminal.rows; j++) {
- this._resetBufferLine(j);
- }
- this._terminal.updateRange(j);
- break;
- case 1:
- j = this._terminal.buffer.y;
- this._terminal.updateRange(j);
- this._eraseInBufferLine(j, 0, this._terminal.buffer.x + 1, true);
- if (this._terminal.buffer.x + 1 >= this._terminal.cols) {
- this._terminal.buffer.lines.get(j + 1).isWrapped = false;
- }
- while (j--) {
- this._resetBufferLine(j);
- }
- this._terminal.updateRange(0);
- break;
- case 2:
- j = this._terminal.rows;
- this._terminal.updateRange(j - 1);
- while (j--) {
- this._resetBufferLine(j);
- }
- this._terminal.updateRange(0);
- break;
- case 3:
- var scrollBackSize = this._terminal.buffer.lines.length - this._terminal.rows;
- if (scrollBackSize > 0) {
- this._terminal.buffer.lines.trimStart(scrollBackSize);
- this._terminal.buffer.ybase = Math.max(this._terminal.buffer.ybase - scrollBackSize, 0);
- this._terminal.buffer.ydisp = Math.max(this._terminal.buffer.ydisp - scrollBackSize, 0);
- this._onScroll.fire(0);
- }
- break;
- }
- };
- InputHandler.prototype.eraseInLine = function (params) {
- switch (params[0]) {
- case 0:
- this._eraseInBufferLine(this._terminal.buffer.y, this._terminal.buffer.x, this._terminal.cols);
- break;
- case 1:
- this._eraseInBufferLine(this._terminal.buffer.y, 0, this._terminal.buffer.x + 1);
- break;
- case 2:
- this._eraseInBufferLine(this._terminal.buffer.y, 0, this._terminal.cols);
- break;
- }
- this._terminal.updateRange(this._terminal.buffer.y);
- };
- InputHandler.prototype.insertLines = function (params) {
- var param = params[0];
- if (param < 1) {
- param = 1;
- }
- var buffer = this._terminal.buffer;
- var row = buffer.y + buffer.ybase;
- var scrollBottomRowsOffset = this._terminal.rows - 1 - buffer.scrollBottom;
- var scrollBottomAbsolute = this._terminal.rows - 1 + buffer.ybase - scrollBottomRowsOffset + 1;
- while (param--) {
- buffer.lines.splice(scrollBottomAbsolute - 1, 1);
- buffer.lines.splice(row, 0, buffer.getBlankLine(this._terminal.eraseAttrData()));
- }
- this._terminal.updateRange(buffer.y);
- this._terminal.updateRange(buffer.scrollBottom);
- };
- InputHandler.prototype.deleteLines = function (params) {
- var param = params[0];
- if (param < 1) {
- param = 1;
- }
- var buffer = this._terminal.buffer;
- var row = buffer.y + buffer.ybase;
- var j;
- j = this._terminal.rows - 1 - buffer.scrollBottom;
- j = this._terminal.rows - 1 + buffer.ybase - j;
- while (param--) {
- buffer.lines.splice(row, 1);
- buffer.lines.splice(j, 0, buffer.getBlankLine(this._terminal.eraseAttrData()));
- }
- this._terminal.updateRange(buffer.y);
- this._terminal.updateRange(buffer.scrollBottom);
- };
- InputHandler.prototype.deleteChars = function (params) {
- this._terminal.buffer.lines.get(this._terminal.buffer.y + this._terminal.buffer.ybase).deleteCells(this._terminal.buffer.x, params[0] || 1, this._terminal.buffer.getNullCell(this._terminal.eraseAttrData()));
- this._terminal.updateRange(this._terminal.buffer.y);
- };
- InputHandler.prototype.scrollUp = function (params) {
- var param = params[0] || 1;
- var buffer = this._terminal.buffer;
- while (param--) {
- buffer.lines.splice(buffer.ybase + buffer.scrollTop, 1);
- buffer.lines.splice(buffer.ybase + buffer.scrollBottom, 0, buffer.getBlankLine(Buffer_1.DEFAULT_ATTR_DATA));
- }
- this._terminal.updateRange(buffer.scrollTop);
- this._terminal.updateRange(buffer.scrollBottom);
- };
- InputHandler.prototype.scrollDown = function (params, collect) {
- if (params.length < 2 && !collect) {
- var param = params[0] || 1;
- var buffer = this._terminal.buffer;
- while (param--) {
- buffer.lines.splice(buffer.ybase + buffer.scrollBottom, 1);
- buffer.lines.splice(buffer.ybase + buffer.scrollTop, 0, buffer.getBlankLine(Buffer_1.DEFAULT_ATTR_DATA));
- }
- this._terminal.updateRange(buffer.scrollTop);
- this._terminal.updateRange(buffer.scrollBottom);
- }
- };
- InputHandler.prototype.eraseChars = function (params) {
- this._terminal.buffer.lines.get(this._terminal.buffer.y + this._terminal.buffer.ybase).replaceCells(this._terminal.buffer.x, this._terminal.buffer.x + (params[0] || 1), this._terminal.buffer.getNullCell(this._terminal.eraseAttrData()));
- };
- InputHandler.prototype.cursorBackwardTab = function (params) {
- var param = params[0] || 1;
- var buffer = this._terminal.buffer;
- while (param--) {
- buffer.x = buffer.prevStop();
- }
- };
- InputHandler.prototype.charPosAbsolute = function (params) {
- var param = params[0];
- if (param < 1) {
- param = 1;
- }
- this._terminal.buffer.x = param - 1;
- if (this._terminal.buffer.x >= this._terminal.cols) {
- this._terminal.buffer.x = this._terminal.cols - 1;
- }
- };
- InputHandler.prototype.hPositionRelative = function (params) {
- var param = params[0];
- if (param < 1) {
- param = 1;
- }
- this._terminal.buffer.x += param;
- if (this._terminal.buffer.x >= this._terminal.cols) {
- this._terminal.buffer.x = this._terminal.cols - 1;
- }
- };
- InputHandler.prototype.repeatPrecedingCharacter = function (params) {
- var buffer = this._terminal.buffer;
- var line = buffer.lines.get(buffer.ybase + buffer.y);
- line.loadCell(buffer.x - 1, this._workCell);
- line.replaceCells(buffer.x, buffer.x + (params[0] || 1), (this._workCell.content !== undefined) ? this._workCell : buffer.getNullCell(Buffer_1.DEFAULT_ATTR_DATA));
- };
- InputHandler.prototype.sendDeviceAttributes = function (params, collect) {
- if (params[0] > 0) {
- return;
- }
- if (!collect) {
- if (this._terminal.is('xterm') || this._terminal.is('rxvt-unicode') || this._terminal.is('screen')) {
- this._terminal.handler(EscapeSequences_1.C0.ESC + '[?1;2c');
- }
- else if (this._terminal.is('linux')) {
- this._terminal.handler(EscapeSequences_1.C0.ESC + '[?6c');
- }
- }
- else if (collect === '>') {
- if (this._terminal.is('xterm')) {
- this._terminal.handler(EscapeSequences_1.C0.ESC + '[>0;276;0c');
- }
- else if (this._terminal.is('rxvt-unicode')) {
- this._terminal.handler(EscapeSequences_1.C0.ESC + '[>85;95;0c');
- }
- else if (this._terminal.is('linux')) {
- this._terminal.handler(params[0] + 'c');
- }
- else if (this._terminal.is('screen')) {
- this._terminal.handler(EscapeSequences_1.C0.ESC + '[>83;40003;0c');
- }
- }
- };
- InputHandler.prototype.linePosAbsolute = function (params) {
- var param = params[0];
- if (param < 1) {
- param = 1;
- }
- this._terminal.buffer.y = param - 1;
- if (this._terminal.buffer.y >= this._terminal.rows) {
- this._terminal.buffer.y = this._terminal.rows - 1;
- }
- };
- InputHandler.prototype.vPositionRelative = function (params) {
- var param = params[0];
- if (param < 1) {
- param = 1;
- }
- this._terminal.buffer.y += param;
- if (this._terminal.buffer.y >= this._terminal.rows) {
- this._terminal.buffer.y = this._terminal.rows - 1;
- }
- if (this._terminal.buffer.x >= this._terminal.cols) {
- this._terminal.buffer.x--;
- }
- };
- InputHandler.prototype.hVPosition = function (params) {
- if (params[0] < 1)
- params[0] = 1;
- if (params[1] < 1)
- params[1] = 1;
- this._terminal.buffer.y = params[0] - 1;
- if (this._terminal.buffer.y >= this._terminal.rows) {
- this._terminal.buffer.y = this._terminal.rows - 1;
- }
- this._terminal.buffer.x = params[1] - 1;
- if (this._terminal.buffer.x >= this._terminal.cols) {
- this._terminal.buffer.x = this._terminal.cols - 1;
- }
- };
- InputHandler.prototype.tabClear = function (params) {
- var param = params[0];
- if (param <= 0) {
- delete this._terminal.buffer.tabs[this._terminal.buffer.x];
- }
- else if (param === 3) {
- this._terminal.buffer.tabs = {};
- }
- };
- InputHandler.prototype.setMode = function (params, collect) {
- if (params.length > 1) {
- for (var i = 0; i < params.length; i++) {
- this.setMode([params[i]]);
- }
- return;
- }
- if (!collect) {
- switch (params[0]) {
- case 4:
- this._terminal.insertMode = true;
- break;
- case 20:
- break;
- }
- }
- else if (collect === '?') {
- switch (params[0]) {
- case 1:
- this._terminal.applicationCursor = true;
- break;
- case 2:
- this._terminal.setgCharset(0, Charsets_1.DEFAULT_CHARSET);
- this._terminal.setgCharset(1, Charsets_1.DEFAULT_CHARSET);
- this._terminal.setgCharset(2, Charsets_1.DEFAULT_CHARSET);
- this._terminal.setgCharset(3, Charsets_1.DEFAULT_CHARSET);
- break;
- case 3:
- this._terminal.savedCols = this._terminal.cols;
- this._terminal.resize(132, this._terminal.rows);
- break;
- case 6:
- this._terminal.originMode = true;
- break;
- case 7:
- this._terminal.wraparoundMode = true;
- break;
- case 12:
- break;
- case 66:
- this._terminal.log('Serial port requested application keypad.');
- this._terminal.applicationKeypad = true;
- if (this._terminal.viewport) {
- this._terminal.viewport.syncScrollArea();
- }
- break;
- case 9:
- case 1000:
- case 1002:
- case 1003:
- this._terminal.x10Mouse = params[0] === 9;
- this._terminal.vt200Mouse = params[0] === 1000;
- this._terminal.normalMouse = params[0] > 1000;
- this._terminal.mouseEvents = true;
- if (this._terminal.element) {
- this._terminal.element.classList.add('enable-mouse-events');
- }
- if (this._terminal.selectionManager) {
- this._terminal.selectionManager.disable();
- }
- this._terminal.log('Binding to mouse events.');
- break;
- case 1004:
- this._terminal.sendFocus = true;
- break;
- case 1005:
- this._terminal.utfMouse = true;
- break;
- case 1006:
- this._terminal.sgrMouse = true;
- break;
- case 1015:
- this._terminal.urxvtMouse = true;
- break;
- case 25:
- this._terminal.cursorHidden = false;
- break;
- case 1048:
- this.saveCursor(params);
- break;
- case 1049:
- this.saveCursor(params);
- case 47:
- case 1047:
- this._terminal.buffers.activateAltBuffer(this._terminal.eraseAttrData());
- this._terminal.refresh(0, this._terminal.rows - 1);
- if (this._terminal.viewport) {
- this._terminal.viewport.syncScrollArea();
- }
- this._terminal.showCursor();
- break;
- case 2004:
- this._terminal.bracketedPasteMode = true;
- break;
- }
- }
- };
- InputHandler.prototype.resetMode = function (params, collect) {
- if (params.length > 1) {
- for (var i = 0; i < params.length; i++) {
- this.resetMode([params[i]]);
- }
- return;
- }
- if (!collect) {
- switch (params[0]) {
- case 4:
- this._terminal.insertMode = false;
- break;
- case 20:
- break;
- }
- }
- else if (collect === '?') {
- switch (params[0]) {
- case 1:
- this._terminal.applicationCursor = false;
- break;
- case 3:
- if (this._terminal.cols === 132 && this._terminal.savedCols) {
- this._terminal.resize(this._terminal.savedCols, this._terminal.rows);
- }
- delete this._terminal.savedCols;
- break;
- case 6:
- this._terminal.originMode = false;
- break;
- case 7:
- this._terminal.wraparoundMode = false;
- break;
- case 12:
- break;
- case 66:
- this._terminal.log('Switching back to normal keypad.');
- this._terminal.applicationKeypad = false;
- if (this._terminal.viewport) {
- this._terminal.viewport.syncScrollArea();
- }
- break;
- case 9:
- case 1000:
- case 1002:
- case 1003:
- this._terminal.x10Mouse = false;
- this._terminal.vt200Mouse = false;
- this._terminal.normalMouse = false;
- this._terminal.mouseEvents = false;
- if (this._terminal.element) {
- this._terminal.element.classList.remove('enable-mouse-events');
- }
- if (this._terminal.selectionManager) {
- this._terminal.selectionManager.enable();
- }
- break;
- case 1004:
- this._terminal.sendFocus = false;
- break;
- case 1005:
- this._terminal.utfMouse = false;
- break;
- case 1006:
- this._terminal.sgrMouse = false;
- break;
- case 1015:
- this._terminal.urxvtMouse = false;
- break;
- case 25:
- this._terminal.cursorHidden = true;
- break;
- case 1048:
- this.restoreCursor(params);
- break;
- case 1049:
- case 47:
- case 1047:
- this._terminal.buffers.activateNormalBuffer();
- if (params[0] === 1049) {
- this.restoreCursor(params);
- }
- this._terminal.refresh(0, this._terminal.rows - 1);
- if (this._terminal.viewport) {
- this._terminal.viewport.syncScrollArea();
- }
- this._terminal.showCursor();
- break;
- case 2004:
- this._terminal.bracketedPasteMode = false;
- break;
- }
- }
- };
- InputHandler.prototype.charAttributes = function (params) {
- if (params.length === 1 && params[0] === 0) {
- this._terminal.curAttrData.fg = Buffer_1.DEFAULT_ATTR_DATA.fg;
- this._terminal.curAttrData.bg = Buffer_1.DEFAULT_ATTR_DATA.bg;
- return;
- }
- var l = params.length;
- var p;
- var attr = this._terminal.curAttrData;
- for (var i = 0; i < l; i++) {
- p = params[i];
- if (p >= 30 && p <= 37) {
- attr.fg &= ~(50331648 | 255);
- attr.fg |= 16777216 | (p - 30);
- }
- else if (p >= 40 && p <= 47) {
- attr.bg &= ~(50331648 | 255);
- attr.bg |= 16777216 | (p - 40);
- }
- else if (p >= 90 && p <= 97) {
- attr.fg &= ~(50331648 | 255);
- attr.fg |= 16777216 | (p - 90) | 8;
- }
- else if (p >= 100 && p <= 107) {
- attr.bg &= ~(50331648 | 255);
- attr.bg |= 16777216 | (p - 100) | 8;
- }
- else if (p === 0) {
- attr.fg = Buffer_1.DEFAULT_ATTR_DATA.fg;
- attr.bg = Buffer_1.DEFAULT_ATTR_DATA.bg;
- }
- else if (p === 1) {
- attr.fg |= 134217728;
- }
- else if (p === 3) {
- attr.bg |= 67108864;
- }
- else if (p === 4) {
- attr.fg |= 268435456;
- }
- else if (p === 5) {
- attr.fg |= 536870912;
- }
- else if (p === 7) {
- attr.fg |= 67108864;
- }
- else if (p === 8) {
- attr.fg |= 1073741824;
- }
- else if (p === 2) {
- attr.bg |= 134217728;
- }
- else if (p === 22) {
- attr.fg &= ~134217728;
- attr.bg &= ~134217728;
- }
- else if (p === 23) {
- attr.bg &= ~67108864;
- }
- else if (p === 24) {
- attr.fg &= ~268435456;
- }
- else if (p === 25) {
- attr.fg &= ~536870912;
- }
- else if (p === 27) {
- attr.fg &= ~67108864;
- }
- else if (p === 28) {
- attr.fg &= ~1073741824;
- }
- else if (p === 39) {
- attr.fg &= ~(50331648 | 16777215);
- attr.fg |= Buffer_1.DEFAULT_ATTR_DATA.fg & (255 | 16777215);
- }
- else if (p === 49) {
- attr.bg &= ~(50331648 | 16777215);
- attr.bg |= Buffer_1.DEFAULT_ATTR_DATA.bg & (255 | 16777215);
- }
- else if (p === 38) {
- if (params[i + 1] === 2) {
- i += 2;
- attr.fg |= 50331648;
- attr.fg &= ~16777215;
- attr.fg |= BufferLine_1.AttributeData.fromColorRGB([params[i], params[i + 1], params[i + 2]]);
- i += 2;
- }
- else if (params[i + 1] === 5) {
- i += 2;
- p = params[i] & 0xff;
- attr.fg &= ~255;
- attr.fg |= 33554432 | p;
- }
- }
- else if (p === 48) {
- if (params[i + 1] === 2) {
- i += 2;
- attr.bg |= 50331648;
- attr.bg &= ~16777215;
- attr.bg |= BufferLine_1.AttributeData.fromColorRGB([params[i], params[i + 1], params[i + 2]]);
- i += 2;
- }
- else if (params[i + 1] === 5) {
- i += 2;
- p = params[i] & 0xff;
- attr.bg &= ~255;
- attr.bg |= 33554432 | p;
- }
- }
- else if (p === 100) {
- attr.fg &= ~(50331648 | 16777215);
- attr.fg |= Buffer_1.DEFAULT_ATTR_DATA.fg & (255 | 16777215);
- attr.bg &= ~(50331648 | 16777215);
- attr.bg |= Buffer_1.DEFAULT_ATTR_DATA.bg & (255 | 16777215);
- }
- else {
- this._terminal.error('Unknown SGR attribute: %d.', p);
- }
- }
- };
- InputHandler.prototype.deviceStatus = function (params, collect) {
- if (!collect) {
- switch (params[0]) {
- case 5:
- this._onData.fire(EscapeSequences_1.C0.ESC + "[0n");
- break;
- case 6:
- var y = this._terminal.buffer.y + 1;
- var x = this._terminal.buffer.x + 1;
- this._onData.fire(EscapeSequences_1.C0.ESC + "[" + y + ";" + x + "R");
- break;
- }
- }
- else if (collect === '?') {
- switch (params[0]) {
- case 6:
- var y = this._terminal.buffer.y + 1;
- var x = this._terminal.buffer.x + 1;
- this._onData.fire(EscapeSequences_1.C0.ESC + "[?" + y + ";" + x + "R");
- break;
- case 15:
- break;
- case 25:
- break;
- case 26:
- break;
- case 53:
- break;
- }
- }
- };
- InputHandler.prototype.softReset = function (params, collect) {
- if (collect === '!') {
- this._terminal.cursorHidden = false;
- this._terminal.insertMode = false;
- this._terminal.originMode = false;
- this._terminal.wraparoundMode = true;
- this._terminal.applicationKeypad = false;
- if (this._terminal.viewport) {
- this._terminal.viewport.syncScrollArea();
- }
- this._terminal.applicationCursor = false;
- this._terminal.buffer.scrollTop = 0;
- this._terminal.buffer.scrollBottom = this._terminal.rows - 1;
- this._terminal.curAttrData = Buffer_1.DEFAULT_ATTR_DATA;
- this._terminal.buffer.x = this._terminal.buffer.y = 0;
- this._terminal.charset = null;
- this._terminal.glevel = 0;
- this._terminal.charsets = [null];
- }
- };
- InputHandler.prototype.setCursorStyle = function (params, collect) {
- if (collect === ' ') {
- var param = params[0] < 1 ? 1 : params[0];
- switch (param) {
- case 1:
- case 2:
- this._terminal.setOption('cursorStyle', 'block');
- break;
- case 3:
- case 4:
- this._terminal.setOption('cursorStyle', 'underline');
- break;
- case 5:
- case 6:
- this._terminal.setOption('cursorStyle', 'bar');
- break;
- }
- var isBlinking = param % 2 === 1;
- this._terminal.setOption('cursorBlink', isBlinking);
- }
- };
- InputHandler.prototype.setScrollRegion = function (params, collect) {
- if (collect) {
- return;
- }
- this._terminal.buffer.scrollTop = (params[0] || 1) - 1;
- this._terminal.buffer.scrollBottom = (params[1] && params[1] <= this._terminal.rows ? params[1] : this._terminal.rows) - 1;
- this._terminal.buffer.x = 0;
- this._terminal.buffer.y = 0;
- };
- InputHandler.prototype.saveCursor = function (params) {
- this._terminal.buffer.savedX = this._terminal.buffer.x;
- this._terminal.buffer.savedY = this._terminal.buffer.y;
- this._terminal.buffer.savedCurAttrData.fg = this._terminal.curAttrData.fg;
- this._terminal.buffer.savedCurAttrData.bg = this._terminal.curAttrData.bg;
- };
- InputHandler.prototype.restoreCursor = function (params) {
- this._terminal.buffer.x = this._terminal.buffer.savedX || 0;
- this._terminal.buffer.y = this._terminal.buffer.savedY || 0;
- this._terminal.curAttrData.fg = this._terminal.buffer.savedCurAttrData.fg;
- this._terminal.curAttrData.bg = this._terminal.buffer.savedCurAttrData.bg;
- };
- InputHandler.prototype.setTitle = function (data) {
- this._terminal.handleTitle(data);
- };
- InputHandler.prototype.nextLine = function () {
- this._terminal.buffer.x = 0;
- this.index();
- };
- InputHandler.prototype.keypadApplicationMode = function () {
- this._terminal.log('Serial port requested application keypad.');
- this._terminal.applicationKeypad = true;
- if (this._terminal.viewport) {
- this._terminal.viewport.syncScrollArea();
- }
- };
- InputHandler.prototype.keypadNumericMode = function () {
- this._terminal.log('Switching back to normal keypad.');
- this._terminal.applicationKeypad = false;
- if (this._terminal.viewport) {
- this._terminal.viewport.syncScrollArea();
- }
- };
- InputHandler.prototype.selectDefaultCharset = function () {
- this._terminal.setgLevel(0);
- this._terminal.setgCharset(0, Charsets_1.DEFAULT_CHARSET);
- };
- InputHandler.prototype.selectCharset = function (collectAndFlag) {
- if (collectAndFlag.length !== 2) {
- this.selectDefaultCharset();
- return;
- }
- if (collectAndFlag[0] === '/') {
- return;
- }
- this._terminal.setgCharset(GLEVEL[collectAndFlag[0]], Charsets_1.CHARSETS[collectAndFlag[1]] || Charsets_1.DEFAULT_CHARSET);
- return;
- };
- InputHandler.prototype.index = function () {
- this._terminal.index();
- };
- InputHandler.prototype.tabSet = function () {
- this._terminal.tabSet();
- };
- InputHandler.prototype.reverseIndex = function () {
- this._terminal.reverseIndex();
- };
- InputHandler.prototype.reset = function () {
- this._parser.reset();
- this._terminal.reset();
- };
- InputHandler.prototype.setgLevel = function (level) {
- this._terminal.setgLevel(level);
- };
- return InputHandler;
-}(Lifecycle_1.Disposable));
-exports.InputHandler = InputHandler;
-
-},{"./Buffer":2,"./BufferLine":3,"./CharWidth":7,"./EscapeSequenceParser":10,"./common/EventEmitter2":25,"./common/Lifecycle":26,"./common/TypedArrayUtils":28,"./common/data/EscapeSequences":29,"./core/data/Charsets":30,"./core/input/TextDecoder":32}],12:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var MouseZoneManager_1 = require("./MouseZoneManager");
-var CharWidth_1 = require("./CharWidth");
-var EventEmitter2_1 = require("./common/EventEmitter2");
-var Linkifier = (function () {
- function Linkifier(_terminal) {
- this._terminal = _terminal;
- this._linkMatchers = [];
- this._nextLinkMatcherId = 0;
- this._onLinkHover = new EventEmitter2_1.EventEmitter2();
- this._onLinkLeave = new EventEmitter2_1.EventEmitter2();
- this._onLinkTooltip = new EventEmitter2_1.EventEmitter2();
- this._rowsToLinkify = {
- start: null,
- end: null
- };
- }
- Object.defineProperty(Linkifier.prototype, "onLinkHover", {
- get: function () { return this._onLinkHover.event; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(Linkifier.prototype, "onLinkLeave", {
- get: function () { return this._onLinkLeave.event; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(Linkifier.prototype, "onLinkTooltip", {
- get: function () { return this._onLinkTooltip.event; },
- enumerable: true,
- configurable: true
- });
- Linkifier.prototype.attachToDom = function (mouseZoneManager) {
- this._mouseZoneManager = mouseZoneManager;
- };
- Linkifier.prototype.linkifyRows = function (start, end) {
- var _this = this;
- if (!this._mouseZoneManager) {
- return;
- }
- if (this._rowsToLinkify.start === null) {
- this._rowsToLinkify.start = start;
- this._rowsToLinkify.end = end;
- }
- else {
- this._rowsToLinkify.start = Math.min(this._rowsToLinkify.start, start);
- this._rowsToLinkify.end = Math.max(this._rowsToLinkify.end, end);
- }
- this._mouseZoneManager.clearAll(start, end);
- if (this._rowsTimeoutId) {
- clearTimeout(this._rowsTimeoutId);
- }
- this._rowsTimeoutId = setTimeout(function () { return _this._linkifyRows(); }, Linkifier.TIME_BEFORE_LINKIFY);
- };
- Linkifier.prototype._linkifyRows = function () {
- this._rowsTimeoutId = null;
- var buffer = this._terminal.buffer;
- var absoluteRowIndexStart = buffer.ydisp + this._rowsToLinkify.start;
- if (absoluteRowIndexStart >= buffer.lines.length) {
- return;
- }
- var absoluteRowIndexEnd = buffer.ydisp + Math.min(this._rowsToLinkify.end, this._terminal.rows) + 1;
- var overscanLineLimit = Math.ceil(Linkifier.OVERSCAN_CHAR_LIMIT / this._terminal.cols);
- var iterator = this._terminal.buffer.iterator(false, absoluteRowIndexStart, absoluteRowIndexEnd, overscanLineLimit, overscanLineLimit);
- while (iterator.hasNext()) {
- var lineData = iterator.next();
- for (var i = 0; i < this._linkMatchers.length; i++) {
- this._doLinkifyRow(lineData.range.first, lineData.content, this._linkMatchers[i]);
- }
- }
- this._rowsToLinkify.start = null;
- this._rowsToLinkify.end = null;
- };
- Linkifier.prototype.registerLinkMatcher = function (regex, handler, options) {
- if (options === void 0) { options = {}; }
- if (!handler) {
- throw new Error('handler must be defined');
- }
- var matcher = {
- id: this._nextLinkMatcherId++,
- regex: regex,
- handler: handler,
- matchIndex: options.matchIndex,
- validationCallback: options.validationCallback,
- hoverTooltipCallback: options.tooltipCallback,
- hoverLeaveCallback: options.leaveCallback,
- willLinkActivate: options.willLinkActivate,
- priority: options.priority || 0
- };
- this._addLinkMatcherToList(matcher);
- return matcher.id;
- };
- Linkifier.prototype._addLinkMatcherToList = function (matcher) {
- if (this._linkMatchers.length === 0) {
- this._linkMatchers.push(matcher);
- return;
- }
- for (var i = this._linkMatchers.length - 1; i >= 0; i--) {
- if (matcher.priority <= this._linkMatchers[i].priority) {
- this._linkMatchers.splice(i + 1, 0, matcher);
- return;
- }
- }
- this._linkMatchers.splice(0, 0, matcher);
- };
- Linkifier.prototype.deregisterLinkMatcher = function (matcherId) {
- for (var i = 0; i < this._linkMatchers.length; i++) {
- if (this._linkMatchers[i].id === matcherId) {
- this._linkMatchers.splice(i, 1);
- return true;
- }
- }
- return false;
- };
- Linkifier.prototype._doLinkifyRow = function (rowIndex, text, matcher) {
- var _this = this;
- var rex = new RegExp(matcher.regex.source, matcher.regex.flags + 'g');
- var match;
- var stringIndex = -1;
- var _loop_1 = function () {
- var uri = match[typeof matcher.matchIndex !== 'number' ? 0 : matcher.matchIndex];
- if (!uri) {
- if (this_1._terminal.debug) {
- console.log({ match: match, matcher: matcher });
- throw new Error('match found without corresponding matchIndex');
- }
- return "break";
- }
- stringIndex = text.indexOf(uri, stringIndex + 1);
- rex.lastIndex = stringIndex + uri.length;
- if (stringIndex < 0) {
- return "break";
- }
- var bufferIndex = this_1._terminal.buffer.stringIndexToBufferIndex(rowIndex, stringIndex);
- if (bufferIndex[0] < 0) {
- return "break";
- }
- var line = this_1._terminal.buffer.lines.get(bufferIndex[0]);
- var attr = line.getFg(bufferIndex[1]);
- var fg;
- if (attr) {
- fg = (attr >> 9) & 0x1ff;
- }
- if (matcher.validationCallback) {
- matcher.validationCallback(uri, function (isValid) {
- if (_this._rowsTimeoutId) {
- return;
- }
- if (isValid) {
- _this._addLink(bufferIndex[1], bufferIndex[0] - _this._terminal.buffer.ydisp, uri, matcher, fg);
- }
- });
- }
- else {
- this_1._addLink(bufferIndex[1], bufferIndex[0] - this_1._terminal.buffer.ydisp, uri, matcher, fg);
- }
- };
- var this_1 = this;
- while ((match = rex.exec(text)) !== null) {
- var state_1 = _loop_1();
- if (state_1 === "break")
- break;
- }
- };
- Linkifier.prototype._addLink = function (x, y, uri, matcher, fg) {
- var _this = this;
- var width = CharWidth_1.getStringCellWidth(uri);
- var x1 = x % this._terminal.cols;
- var y1 = y + Math.floor(x / this._terminal.cols);
- var x2 = (x1 + width) % this._terminal.cols;
- var y2 = y1 + Math.floor((x1 + width) / this._terminal.cols);
- if (x2 === 0) {
- x2 = this._terminal.cols;
- y2--;
- }
- this._mouseZoneManager.add(new MouseZoneManager_1.MouseZone(x1 + 1, y1 + 1, x2 + 1, y2 + 1, function (e) {
- if (matcher.handler) {
- return matcher.handler(e, uri);
- }
- window.open(uri, '_blank');
- }, function () {
- _this._onLinkHover.fire(_this._createLinkHoverEvent(x1, y1, x2, y2, fg));
- _this._terminal.element.classList.add('xterm-cursor-pointer');
- }, function (e) {
- _this._onLinkTooltip.fire(_this._createLinkHoverEvent(x1, y1, x2, y2, fg));
- if (matcher.hoverTooltipCallback) {
- matcher.hoverTooltipCallback(e, uri);
- }
- }, function () {
- _this._onLinkLeave.fire(_this._createLinkHoverEvent(x1, y1, x2, y2, fg));
- _this._terminal.element.classList.remove('xterm-cursor-pointer');
- if (matcher.hoverLeaveCallback) {
- matcher.hoverLeaveCallback();
- }
- }, function (e) {
- if (matcher.willLinkActivate) {
- return matcher.willLinkActivate(e, uri);
- }
- return true;
- }));
- };
- Linkifier.prototype._createLinkHoverEvent = function (x1, y1, x2, y2, fg) {
- return { x1: x1, y1: y1, x2: x2, y2: y2, cols: this._terminal.cols, fg: fg };
- };
- Linkifier.TIME_BEFORE_LINKIFY = 200;
- Linkifier.OVERSCAN_CHAR_LIMIT = 2000;
- return Linkifier;
-}());
-exports.Linkifier = Linkifier;
-
-},{"./CharWidth":7,"./MouseZoneManager":14,"./common/EventEmitter2":25}],13:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var MouseHelper = (function () {
- function MouseHelper(_renderer) {
- this._renderer = _renderer;
- }
- MouseHelper.prototype.setRenderer = function (renderer) {
- this._renderer = renderer;
- };
- MouseHelper.getCoordsRelativeToElement = function (event, element) {
- var rect = element.getBoundingClientRect();
- return [event.clientX - rect.left, event.clientY - rect.top];
- };
- MouseHelper.prototype.getCoords = function (event, element, charMeasure, colCount, rowCount, isSelection) {
- if (!charMeasure.width || !charMeasure.height) {
- return null;
- }
- var coords = MouseHelper.getCoordsRelativeToElement(event, element);
- if (!coords) {
- return null;
- }
- coords[0] = Math.ceil((coords[0] + (isSelection ? this._renderer.dimensions.actualCellWidth / 2 : 0)) / this._renderer.dimensions.actualCellWidth);
- coords[1] = Math.ceil(coords[1] / this._renderer.dimensions.actualCellHeight);
- coords[0] = Math.min(Math.max(coords[0], 1), colCount + (isSelection ? 1 : 0));
- coords[1] = Math.min(Math.max(coords[1], 1), rowCount);
- return coords;
- };
- MouseHelper.prototype.getRawByteCoords = function (event, element, charMeasure, colCount, rowCount) {
- var coords = this.getCoords(event, element, charMeasure, colCount, rowCount);
- var x = coords[0];
- var y = coords[1];
- x += 32;
- y += 32;
- return { x: x, y: y };
- };
- return MouseHelper;
-}());
-exports.MouseHelper = MouseHelper;
-
-},{}],14:[function(require,module,exports){
-"use strict";
-var __extends = (this && this.__extends) || (function () {
- var extendStatics = function (d, b) {
- extendStatics = Object.setPrototypeOf ||
- ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
- function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
- return extendStatics(d, b);
- };
- return function (d, b) {
- extendStatics(d, b);
- function __() { this.constructor = d; }
- d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
- };
-})();
-Object.defineProperty(exports, "__esModule", { value: true });
-var Lifecycle_1 = require("./common/Lifecycle");
-var Lifecycle_2 = require("./ui/Lifecycle");
-var HOVER_DURATION = 500;
-var MouseZoneManager = (function (_super) {
- __extends(MouseZoneManager, _super);
- function MouseZoneManager(_terminal) {
- var _this = _super.call(this) || this;
- _this._terminal = _terminal;
- _this._zones = [];
- _this._areZonesActive = false;
- _this._tooltipTimeout = null;
- _this._currentZone = null;
- _this._lastHoverCoords = [null, null];
- _this.register(Lifecycle_2.addDisposableDomListener(_this._terminal.element, 'mousedown', function (e) { return _this._onMouseDown(e); }));
- _this._mouseMoveListener = function (e) { return _this._onMouseMove(e); };
- _this._mouseLeaveListener = function (e) { return _this._onMouseLeave(e); };
- _this._clickListener = function (e) { return _this._onClick(e); };
- return _this;
- }
- MouseZoneManager.prototype.dispose = function () {
- _super.prototype.dispose.call(this);
- this._deactivate();
- };
- MouseZoneManager.prototype.add = function (zone) {
- this._zones.push(zone);
- if (this._zones.length === 1) {
- this._activate();
- }
- };
- MouseZoneManager.prototype.clearAll = function (start, end) {
- if (this._zones.length === 0) {
- return;
- }
- if (!end) {
- start = 0;
- end = this._terminal.rows - 1;
- }
- for (var i = 0; i < this._zones.length; i++) {
- var zone = this._zones[i];
- if ((zone.y1 > start && zone.y1 <= end + 1) ||
- (zone.y2 > start && zone.y2 <= end + 1) ||
- (zone.y1 < start && zone.y2 > end + 1)) {
- if (this._currentZone && this._currentZone === zone) {
- this._currentZone.leaveCallback();
- this._currentZone = null;
- }
- this._zones.splice(i--, 1);
- }
- }
- if (this._zones.length === 0) {
- this._deactivate();
- }
- };
- MouseZoneManager.prototype._activate = function () {
- if (!this._areZonesActive) {
- this._areZonesActive = true;
- this._terminal.element.addEventListener('mousemove', this._mouseMoveListener);
- this._terminal.element.addEventListener('mouseleave', this._mouseLeaveListener);
- this._terminal.element.addEventListener('click', this._clickListener);
- }
- };
- MouseZoneManager.prototype._deactivate = function () {
- if (this._areZonesActive) {
- this._areZonesActive = false;
- this._terminal.element.removeEventListener('mousemove', this._mouseMoveListener);
- this._terminal.element.removeEventListener('mouseleave', this._mouseLeaveListener);
- this._terminal.element.removeEventListener('click', this._clickListener);
- }
- };
- MouseZoneManager.prototype._onMouseMove = function (e) {
- if (this._lastHoverCoords[0] !== e.pageX || this._lastHoverCoords[1] !== e.pageY) {
- this._onHover(e);
- this._lastHoverCoords = [e.pageX, e.pageY];
- }
- };
- MouseZoneManager.prototype._onHover = function (e) {
- var _this = this;
- var zone = this._findZoneEventAt(e);
- if (zone === this._currentZone) {
- return;
- }
- if (this._currentZone) {
- this._currentZone.leaveCallback();
- this._currentZone = null;
- if (this._tooltipTimeout) {
- clearTimeout(this._tooltipTimeout);
- }
- }
- if (!zone) {
- return;
- }
- this._currentZone = zone;
- if (zone.hoverCallback) {
- zone.hoverCallback(e);
- }
- this._tooltipTimeout = setTimeout(function () { return _this._onTooltip(e); }, HOVER_DURATION);
- };
- MouseZoneManager.prototype._onTooltip = function (e) {
- this._tooltipTimeout = null;
- var zone = this._findZoneEventAt(e);
- if (zone && zone.tooltipCallback) {
- zone.tooltipCallback(e);
- }
- };
- MouseZoneManager.prototype._onMouseDown = function (e) {
- this._initialSelectionLength = this._terminal.getSelection().length;
- if (!this._areZonesActive) {
- return;
- }
- var zone = this._findZoneEventAt(e);
- if (zone) {
- if (zone.willLinkActivate(e)) {
- e.preventDefault();
- e.stopImmediatePropagation();
- }
- }
- };
- MouseZoneManager.prototype._onMouseLeave = function (e) {
- if (this._currentZone) {
- this._currentZone.leaveCallback();
- this._currentZone = null;
- if (this._tooltipTimeout) {
- clearTimeout(this._tooltipTimeout);
- }
- }
- };
- MouseZoneManager.prototype._onClick = function (e) {
- var zone = this._findZoneEventAt(e);
- var currentSelectionLength = this._terminal.getSelection().length;
- if (zone && currentSelectionLength === this._initialSelectionLength) {
- zone.clickCallback(e);
- e.preventDefault();
- e.stopImmediatePropagation();
- }
- };
- MouseZoneManager.prototype._findZoneEventAt = function (e) {
- var coords = this._terminal.mouseHelper.getCoords(e, this._terminal.screenElement, this._terminal.charMeasure, this._terminal.cols, this._terminal.rows);
- if (!coords) {
- return null;
- }
- var x = coords[0];
- var y = coords[1];
- for (var i = 0; i < this._zones.length; i++) {
- var zone = this._zones[i];
- if (zone.y1 === zone.y2) {
- if (y === zone.y1 && x >= zone.x1 && x < zone.x2) {
- return zone;
- }
- }
- else {
- if ((y === zone.y1 && x >= zone.x1) ||
- (y === zone.y2 && x < zone.x2) ||
- (y > zone.y1 && y < zone.y2)) {
- return zone;
- }
- }
- }
- return null;
- };
- return MouseZoneManager;
-}(Lifecycle_1.Disposable));
-exports.MouseZoneManager = MouseZoneManager;
-var MouseZone = (function () {
- function MouseZone(x1, y1, x2, y2, clickCallback, hoverCallback, tooltipCallback, leaveCallback, willLinkActivate) {
- this.x1 = x1;
- this.y1 = y1;
- this.x2 = x2;
- this.y2 = y2;
- this.clickCallback = clickCallback;
- this.hoverCallback = hoverCallback;
- this.tooltipCallback = tooltipCallback;
- this.leaveCallback = leaveCallback;
- this.willLinkActivate = willLinkActivate;
- }
- return MouseZone;
-}());
-exports.MouseZone = MouseZone;
-
-},{"./common/Lifecycle":26,"./ui/Lifecycle":55}],15:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var MouseHelper_1 = require("./MouseHelper");
-var Browser = require("./common/Platform");
-var SelectionModel_1 = require("./SelectionModel");
-var AltClickHandler_1 = require("./handlers/AltClickHandler");
-var BufferLine_1 = require("./BufferLine");
-var EventEmitter2_1 = require("./common/EventEmitter2");
-var DRAG_SCROLL_MAX_THRESHOLD = 50;
-var DRAG_SCROLL_MAX_SPEED = 15;
-var DRAG_SCROLL_INTERVAL = 50;
-var ALT_CLICK_MOVE_CURSOR_TIME = 500;
-var WORD_SEPARATORS = ' ()[]{}\'"';
-var NON_BREAKING_SPACE_CHAR = String.fromCharCode(160);
-var ALL_NON_BREAKING_SPACE_REGEX = new RegExp(NON_BREAKING_SPACE_CHAR, 'g');
-var SelectionManager = (function () {
- function SelectionManager(_terminal, _charMeasure) {
- this._terminal = _terminal;
- this._charMeasure = _charMeasure;
- this._enabled = true;
- this._workCell = new BufferLine_1.CellData();
- this._onLinuxMouseSelection = new EventEmitter2_1.EventEmitter2();
- this._onRedrawRequest = new EventEmitter2_1.EventEmitter2();
- this._onSelectionChange = new EventEmitter2_1.EventEmitter2();
- this._initListeners();
- this.enable();
- this._model = new SelectionModel_1.SelectionModel(_terminal);
- this._activeSelectionMode = 0;
- }
- Object.defineProperty(SelectionManager.prototype, "onLinuxMouseSelection", {
- get: function () { return this._onLinuxMouseSelection.event; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(SelectionManager.prototype, "onRedrawRequest", {
- get: function () { return this._onRedrawRequest.event; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(SelectionManager.prototype, "onSelectionChange", {
- get: function () { return this._onSelectionChange.event; },
- enumerable: true,
- configurable: true
- });
- SelectionManager.prototype.dispose = function () {
- this._removeMouseDownListeners();
- };
- Object.defineProperty(SelectionManager.prototype, "_buffer", {
- get: function () {
- return this._terminal.buffers.active;
- },
- enumerable: true,
- configurable: true
- });
- SelectionManager.prototype._initListeners = function () {
- var _this = this;
- this._mouseMoveListener = function (event) { return _this._onMouseMove(event); };
- this._mouseUpListener = function (event) { return _this._onMouseUp(event); };
- this.initBuffersListeners();
- };
- SelectionManager.prototype.initBuffersListeners = function () {
- var _this = this;
- this._trimListener = this._terminal.buffer.lines.onTrim(function (amount) { return _this._onTrim(amount); });
- this._terminal.buffers.onBufferActivate(function (e) { return _this._onBufferActivate(e); });
- };
- SelectionManager.prototype.disable = function () {
- this.clearSelection();
- this._enabled = false;
- };
- SelectionManager.prototype.enable = function () {
- this._enabled = true;
- };
- Object.defineProperty(SelectionManager.prototype, "selectionStart", {
- get: function () { return this._model.finalSelectionStart; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(SelectionManager.prototype, "selectionEnd", {
- get: function () { return this._model.finalSelectionEnd; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(SelectionManager.prototype, "hasSelection", {
- get: function () {
- var start = this._model.finalSelectionStart;
- var end = this._model.finalSelectionEnd;
- if (!start || !end) {
- return false;
- }
- return start[0] !== end[0] || start[1] !== end[1];
- },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(SelectionManager.prototype, "selectionText", {
- get: function () {
- var start = this._model.finalSelectionStart;
- var end = this._model.finalSelectionEnd;
- if (!start || !end) {
- return '';
- }
- var result = [];
- if (this._activeSelectionMode === 3) {
- if (start[0] === end[0]) {
- return '';
- }
- for (var i = start[1]; i <= end[1]; i++) {
- var lineText = this._buffer.translateBufferLineToString(i, true, start[0], end[0]);
- result.push(lineText);
- }
- }
- else {
- var startRowEndCol = start[1] === end[1] ? end[0] : undefined;
- result.push(this._buffer.translateBufferLineToString(start[1], true, start[0], startRowEndCol));
- for (var i = start[1] + 1; i <= end[1] - 1; i++) {
- var bufferLine = this._buffer.lines.get(i);
- var lineText = this._buffer.translateBufferLineToString(i, true);
- if (bufferLine.isWrapped) {
- result[result.length - 1] += lineText;
- }
- else {
- result.push(lineText);
- }
- }
- if (start[1] !== end[1]) {
- var bufferLine = this._buffer.lines.get(end[1]);
- var lineText = this._buffer.translateBufferLineToString(end[1], true, 0, end[0]);
- if (bufferLine.isWrapped) {
- result[result.length - 1] += lineText;
- }
- else {
- result.push(lineText);
- }
- }
- }
- var formattedResult = result.map(function (line) {
- return line.replace(ALL_NON_BREAKING_SPACE_REGEX, ' ');
- }).join(Browser.isMSWindows ? '\r\n' : '\n');
- return formattedResult;
- },
- enumerable: true,
- configurable: true
- });
- SelectionManager.prototype.clearSelection = function () {
- this._model.clearSelection();
- this._removeMouseDownListeners();
- this.refresh();
- };
- SelectionManager.prototype.refresh = function (isLinuxMouseSelection) {
- var _this = this;
- if (!this._refreshAnimationFrame) {
- this._refreshAnimationFrame = window.requestAnimationFrame(function () { return _this._refresh(); });
- }
- if (Browser.isLinux && isLinuxMouseSelection) {
- var selectionText = this.selectionText;
- if (selectionText.length) {
- this._onLinuxMouseSelection.fire(this.selectionText);
- }
- }
- };
- SelectionManager.prototype._refresh = function () {
- this._refreshAnimationFrame = null;
- this._onRedrawRequest.fire({
- start: this._model.finalSelectionStart,
- end: this._model.finalSelectionEnd,
- columnSelectMode: this._activeSelectionMode === 3
- });
- };
- SelectionManager.prototype.isClickInSelection = function (event) {
- var coords = this._getMouseBufferCoords(event);
- var start = this._model.finalSelectionStart;
- var end = this._model.finalSelectionEnd;
- if (!start || !end) {
- return false;
- }
- return this._areCoordsInSelection(coords, start, end);
- };
- SelectionManager.prototype._areCoordsInSelection = function (coords, start, end) {
- return (coords[1] > start[1] && coords[1] < end[1]) ||
- (start[1] === end[1] && coords[1] === start[1] && coords[0] >= start[0] && coords[0] < end[0]) ||
- (start[1] < end[1] && coords[1] === end[1] && coords[0] < end[0]) ||
- (start[1] < end[1] && coords[1] === start[1] && coords[0] >= start[0]);
- };
- SelectionManager.prototype.selectWordAtCursor = function (event) {
- var coords = this._getMouseBufferCoords(event);
- if (coords) {
- this._selectWordAt(coords, false);
- this._model.selectionEnd = null;
- this.refresh(true);
- }
- };
- SelectionManager.prototype.selectAll = function () {
- this._model.isSelectAllActive = true;
- this.refresh();
- this._onSelectionChange.fire();
- };
- SelectionManager.prototype.selectLines = function (start, end) {
- this._model.clearSelection();
- start = Math.max(start, 0);
- end = Math.min(end, this._terminal.buffer.lines.length - 1);
- this._model.selectionStart = [0, start];
- this._model.selectionEnd = [this._terminal.cols, end];
- this.refresh();
- this._onSelectionChange.fire();
- };
- SelectionManager.prototype._onTrim = function (amount) {
- var needsRefresh = this._model.onTrim(amount);
- if (needsRefresh) {
- this.refresh();
- }
- };
- SelectionManager.prototype._getMouseBufferCoords = function (event) {
- var coords = this._terminal.mouseHelper.getCoords(event, this._terminal.screenElement, this._charMeasure, this._terminal.cols, this._terminal.rows, true);
- if (!coords) {
- return null;
- }
- coords[0]--;
- coords[1]--;
- coords[1] += this._terminal.buffer.ydisp;
- return coords;
- };
- SelectionManager.prototype._getMouseEventScrollAmount = function (event) {
- var offset = MouseHelper_1.MouseHelper.getCoordsRelativeToElement(event, this._terminal.screenElement)[1];
- var terminalHeight = this._terminal.rows * Math.ceil(this._charMeasure.height * this._terminal.options.lineHeight);
- if (offset >= 0 && offset <= terminalHeight) {
- return 0;
- }
- if (offset > terminalHeight) {
- offset -= terminalHeight;
- }
- offset = Math.min(Math.max(offset, -DRAG_SCROLL_MAX_THRESHOLD), DRAG_SCROLL_MAX_THRESHOLD);
- offset /= DRAG_SCROLL_MAX_THRESHOLD;
- return (offset / Math.abs(offset)) + Math.round(offset * (DRAG_SCROLL_MAX_SPEED - 1));
- };
- SelectionManager.prototype.shouldForceSelection = function (event) {
- if (Browser.isMac) {
- return event.altKey && this._terminal.options.macOptionClickForcesSelection;
- }
- return event.shiftKey;
- };
- SelectionManager.prototype.onMouseDown = function (event) {
- this._mouseDownTimeStamp = event.timeStamp;
- if (event.button === 2 && this.hasSelection) {
- return;
- }
- if (event.button !== 0) {
- return;
- }
- if (!this._enabled) {
- if (!this.shouldForceSelection(event)) {
- return;
- }
- event.stopPropagation();
- }
- event.preventDefault();
- this._dragScrollAmount = 0;
- if (this._enabled && event.shiftKey) {
- this._onIncrementalClick(event);
- }
- else {
- if (event.detail === 1) {
- this._onSingleClick(event);
- }
- else if (event.detail === 2) {
- this._onDoubleClick(event);
- }
- else if (event.detail === 3) {
- this._onTripleClick(event);
- }
- }
- this._addMouseDownListeners();
- this.refresh(true);
- };
- SelectionManager.prototype._addMouseDownListeners = function () {
- var _this = this;
- this._terminal.element.ownerDocument.addEventListener('mousemove', this._mouseMoveListener);
- this._terminal.element.ownerDocument.addEventListener('mouseup', this._mouseUpListener);
- this._dragScrollIntervalTimer = setInterval(function () { return _this._dragScroll(); }, DRAG_SCROLL_INTERVAL);
- };
- SelectionManager.prototype._removeMouseDownListeners = function () {
- if (this._terminal.element.ownerDocument) {
- this._terminal.element.ownerDocument.removeEventListener('mousemove', this._mouseMoveListener);
- this._terminal.element.ownerDocument.removeEventListener('mouseup', this._mouseUpListener);
- }
- clearInterval(this._dragScrollIntervalTimer);
- this._dragScrollIntervalTimer = null;
- };
- SelectionManager.prototype._onIncrementalClick = function (event) {
- if (this._model.selectionStart) {
- this._model.selectionEnd = this._getMouseBufferCoords(event);
- }
- };
- SelectionManager.prototype._onSingleClick = function (event) {
- this._model.selectionStartLength = 0;
- this._model.isSelectAllActive = false;
- this._activeSelectionMode = this.shouldColumnSelect(event) ? 3 : 0;
- this._model.selectionStart = this._getMouseBufferCoords(event);
- if (!this._model.selectionStart) {
- return;
- }
- this._model.selectionEnd = null;
- var line = this._buffer.lines.get(this._model.selectionStart[1]);
- if (!line) {
- return;
- }
- if (line.length >= this._model.selectionStart[0]) {
- return;
- }
- if (line.hasWidth(this._model.selectionStart[0]) === 0) {
- this._model.selectionStart[0]++;
- }
- };
- SelectionManager.prototype._onDoubleClick = function (event) {
- var coords = this._getMouseBufferCoords(event);
- if (coords) {
- this._activeSelectionMode = 1;
- this._selectWordAt(coords, true);
- }
- };
- SelectionManager.prototype._onTripleClick = function (event) {
- var coords = this._getMouseBufferCoords(event);
- if (coords) {
- this._activeSelectionMode = 2;
- this._selectLineAt(coords[1]);
- }
- };
- SelectionManager.prototype.shouldColumnSelect = function (event) {
- return event.altKey && !(Browser.isMac && this._terminal.options.macOptionClickForcesSelection);
- };
- SelectionManager.prototype._onMouseMove = function (event) {
- event.stopImmediatePropagation();
- var previousSelectionEnd = this._model.selectionEnd ? [this._model.selectionEnd[0], this._model.selectionEnd[1]] : null;
- this._model.selectionEnd = this._getMouseBufferCoords(event);
- if (!this._model.selectionEnd) {
- this.refresh(true);
- return;
- }
- if (this._activeSelectionMode === 2) {
- if (this._model.selectionEnd[1] < this._model.selectionStart[1]) {
- this._model.selectionEnd[0] = 0;
- }
- else {
- this._model.selectionEnd[0] = this._terminal.cols;
- }
- }
- else if (this._activeSelectionMode === 1) {
- this._selectToWordAt(this._model.selectionEnd);
- }
- this._dragScrollAmount = this._getMouseEventScrollAmount(event);
- if (this._activeSelectionMode !== 3) {
- if (this._dragScrollAmount > 0) {
- this._model.selectionEnd[0] = this._terminal.cols;
- }
- else if (this._dragScrollAmount < 0) {
- this._model.selectionEnd[0] = 0;
- }
- }
- if (this._model.selectionEnd[1] < this._buffer.lines.length) {
- if (this._buffer.lines.get(this._model.selectionEnd[1]).hasWidth(this._model.selectionEnd[0]) === 0) {
- this._model.selectionEnd[0]++;
- }
- }
- if (!previousSelectionEnd ||
- previousSelectionEnd[0] !== this._model.selectionEnd[0] ||
- previousSelectionEnd[1] !== this._model.selectionEnd[1]) {
- this.refresh(true);
- }
- };
- SelectionManager.prototype._dragScroll = function () {
- if (this._dragScrollAmount) {
- this._terminal.scrollLines(this._dragScrollAmount, false);
- if (this._dragScrollAmount > 0) {
- if (this._activeSelectionMode !== 3) {
- this._model.selectionEnd[0] = this._terminal.cols;
- }
- this._model.selectionEnd[1] = Math.min(this._terminal.buffer.ydisp + this._terminal.rows, this._terminal.buffer.lines.length - 1);
- }
- else {
- if (this._activeSelectionMode !== 3) {
- this._model.selectionEnd[0] = 0;
- }
- this._model.selectionEnd[1] = this._terminal.buffer.ydisp;
- }
- this.refresh();
- }
- };
- SelectionManager.prototype._onMouseUp = function (event) {
- var timeElapsed = event.timeStamp - this._mouseDownTimeStamp;
- this._removeMouseDownListeners();
- if (this.selectionText.length <= 1 && timeElapsed < ALT_CLICK_MOVE_CURSOR_TIME) {
- (new AltClickHandler_1.AltClickHandler(event, this._terminal)).move();
- }
- else if (this.hasSelection) {
- this._onSelectionChange.fire();
- }
- };
- SelectionManager.prototype._onBufferActivate = function (e) {
- var _this = this;
- this.clearSelection();
- if (this._trimListener) {
- this._trimListener.dispose();
- }
- this._trimListener = e.activeBuffer.lines.onTrim(function (amount) { return _this._onTrim(amount); });
- };
- SelectionManager.prototype._convertViewportColToCharacterIndex = function (bufferLine, coords) {
- var charIndex = coords[0];
- for (var i = 0; coords[0] >= i; i++) {
- var length_1 = bufferLine.loadCell(i, this._workCell).getChars().length;
- if (this._workCell.getWidth() === 0) {
- charIndex--;
- }
- else if (length_1 > 1 && coords[0] !== i) {
- charIndex += length_1 - 1;
- }
- }
- return charIndex;
- };
- SelectionManager.prototype.setSelection = function (col, row, length) {
- this._model.clearSelection();
- this._removeMouseDownListeners();
- this._model.selectionStart = [col, row];
- this._model.selectionStartLength = length;
- this.refresh();
- };
- SelectionManager.prototype._getWordAt = function (coords, allowWhitespaceOnlySelection, followWrappedLinesAbove, followWrappedLinesBelow) {
- if (followWrappedLinesAbove === void 0) { followWrappedLinesAbove = true; }
- if (followWrappedLinesBelow === void 0) { followWrappedLinesBelow = true; }
- if (coords[0] >= this._terminal.cols) {
- return null;
- }
- var bufferLine = this._buffer.lines.get(coords[1]);
- if (!bufferLine) {
- return null;
- }
- var line = this._buffer.translateBufferLineToString(coords[1], false);
- var startIndex = this._convertViewportColToCharacterIndex(bufferLine, coords);
- var endIndex = startIndex;
- var charOffset = coords[0] - startIndex;
- var leftWideCharCount = 0;
- var rightWideCharCount = 0;
- var leftLongCharOffset = 0;
- var rightLongCharOffset = 0;
- if (line.charAt(startIndex) === ' ') {
- while (startIndex > 0 && line.charAt(startIndex - 1) === ' ') {
- startIndex--;
- }
- while (endIndex < line.length && line.charAt(endIndex + 1) === ' ') {
- endIndex++;
- }
- }
- else {
- var startCol = coords[0];
- var endCol = coords[0];
- if (bufferLine.getWidth(startCol) === 0) {
- leftWideCharCount++;
- startCol--;
- }
- if (bufferLine.getWidth(endCol) === 2) {
- rightWideCharCount++;
- endCol++;
- }
- var length_2 = bufferLine.getString(endCol).length;
- if (length_2 > 1) {
- rightLongCharOffset += length_2 - 1;
- endIndex += length_2 - 1;
- }
- while (startCol > 0 && startIndex > 0 && !this._isCharWordSeparator(bufferLine.loadCell(startCol - 1, this._workCell))) {
- bufferLine.loadCell(startCol - 1, this._workCell);
- var length_3 = this._workCell.getChars().length;
- if (this._workCell.getWidth() === 0) {
- leftWideCharCount++;
- startCol--;
- }
- else if (length_3 > 1) {
- leftLongCharOffset += length_3 - 1;
- startIndex -= length_3 - 1;
- }
- startIndex--;
- startCol--;
- }
- while (endCol < bufferLine.length && endIndex + 1 < line.length && !this._isCharWordSeparator(bufferLine.loadCell(endCol + 1, this._workCell))) {
- bufferLine.loadCell(endCol + 1, this._workCell);
- var length_4 = this._workCell.getChars().length;
- if (this._workCell.getWidth() === 2) {
- rightWideCharCount++;
- endCol++;
- }
- else if (length_4 > 1) {
- rightLongCharOffset += length_4 - 1;
- endIndex += length_4 - 1;
- }
- endIndex++;
- endCol++;
- }
- }
- endIndex++;
- var start = startIndex
- + charOffset
- - leftWideCharCount
- + leftLongCharOffset;
- var length = Math.min(this._terminal.cols, endIndex
- - startIndex
- + leftWideCharCount
- + rightWideCharCount
- - leftLongCharOffset
- - rightLongCharOffset);
- if (!allowWhitespaceOnlySelection && line.slice(startIndex, endIndex).trim() === '') {
- return null;
- }
- if (followWrappedLinesAbove) {
- if (start === 0 && bufferLine.getCodePoint(0) !== 32) {
- var previousBufferLine = this._buffer.lines.get(coords[1] - 1);
- if (previousBufferLine && bufferLine.isWrapped && previousBufferLine.getCodePoint(this._terminal.cols - 1) !== 32) {
- var previousLineWordPosition = this._getWordAt([this._terminal.cols - 1, coords[1] - 1], false, true, false);
- if (previousLineWordPosition) {
- var offset = this._terminal.cols - previousLineWordPosition.start;
- start -= offset;
- length += offset;
- }
- }
- }
- }
- if (followWrappedLinesBelow) {
- if (start + length === this._terminal.cols && bufferLine.getCodePoint(this._terminal.cols - 1) !== 32) {
- var nextBufferLine = this._buffer.lines.get(coords[1] + 1);
- if (nextBufferLine && nextBufferLine.isWrapped && nextBufferLine.getCodePoint(0) !== 32) {
- var nextLineWordPosition = this._getWordAt([0, coords[1] + 1], false, false, true);
- if (nextLineWordPosition) {
- length += nextLineWordPosition.length;
- }
- }
- }
- }
- return { start: start, length: length };
- };
- SelectionManager.prototype._selectWordAt = function (coords, allowWhitespaceOnlySelection) {
- var wordPosition = this._getWordAt(coords, allowWhitespaceOnlySelection);
- if (wordPosition) {
- while (wordPosition.start < 0) {
- wordPosition.start += this._terminal.cols;
- coords[1]--;
- }
- this._model.selectionStart = [wordPosition.start, coords[1]];
- this._model.selectionStartLength = wordPosition.length;
- }
- };
- SelectionManager.prototype._selectToWordAt = function (coords) {
- var wordPosition = this._getWordAt(coords, true);
- if (wordPosition) {
- var endRow = coords[1];
- while (wordPosition.start < 0) {
- wordPosition.start += this._terminal.cols;
- endRow--;
- }
- if (!this._model.areSelectionValuesReversed()) {
- while (wordPosition.start + wordPosition.length > this._terminal.cols) {
- wordPosition.length -= this._terminal.cols;
- endRow++;
- }
- }
- this._model.selectionEnd = [this._model.areSelectionValuesReversed() ? wordPosition.start : wordPosition.start + wordPosition.length, endRow];
- }
- };
- SelectionManager.prototype._isCharWordSeparator = function (cell) {
- if (cell.getWidth() === 0) {
- return false;
- }
- return WORD_SEPARATORS.indexOf(cell.getChars()) >= 0;
- };
- SelectionManager.prototype._selectLineAt = function (line) {
- var wrappedRange = this._buffer.getWrappedRangeForLine(line);
- this._model.selectionStart = [0, wrappedRange.first];
- this._model.selectionEnd = [this._terminal.cols, wrappedRange.last];
- this._model.selectionStartLength = 0;
- };
- return SelectionManager;
-}());
-exports.SelectionManager = SelectionManager;
-
-},{"./BufferLine":3,"./MouseHelper":13,"./SelectionModel":16,"./common/EventEmitter2":25,"./common/Platform":27,"./handlers/AltClickHandler":33}],16:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var SelectionModel = (function () {
- function SelectionModel(_terminal) {
- this._terminal = _terminal;
- this.clearSelection();
- }
- SelectionModel.prototype.clearSelection = function () {
- this.selectionStart = null;
- this.selectionEnd = null;
- this.isSelectAllActive = false;
- this.selectionStartLength = 0;
- };
- Object.defineProperty(SelectionModel.prototype, "finalSelectionStart", {
- get: function () {
- if (this.isSelectAllActive) {
- return [0, 0];
- }
- if (!this.selectionEnd || !this.selectionStart) {
- return this.selectionStart;
- }
- return this.areSelectionValuesReversed() ? this.selectionEnd : this.selectionStart;
- },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(SelectionModel.prototype, "finalSelectionEnd", {
- get: function () {
- if (this.isSelectAllActive) {
- return [this._terminal.cols, this._terminal.buffer.ybase + this._terminal.rows - 1];
- }
- if (!this.selectionStart) {
- return null;
- }
- if (!this.selectionEnd || this.areSelectionValuesReversed()) {
- var startPlusLength = this.selectionStart[0] + this.selectionStartLength;
- if (startPlusLength > this._terminal.cols) {
- return [startPlusLength % this._terminal.cols, this.selectionStart[1] + Math.floor(startPlusLength / this._terminal.cols)];
- }
- return [startPlusLength, this.selectionStart[1]];
- }
- if (this.selectionStartLength) {
- if (this.selectionEnd[1] === this.selectionStart[1]) {
- return [Math.max(this.selectionStart[0] + this.selectionStartLength, this.selectionEnd[0]), this.selectionEnd[1]];
- }
- }
- return this.selectionEnd;
- },
- enumerable: true,
- configurable: true
- });
- SelectionModel.prototype.areSelectionValuesReversed = function () {
- var start = this.selectionStart;
- var end = this.selectionEnd;
- if (!start || !end) {
- return false;
- }
- return start[1] > end[1] || (start[1] === end[1] && start[0] > end[0]);
- };
- SelectionModel.prototype.onTrim = function (amount) {
- if (this.selectionStart) {
- this.selectionStart[1] -= amount;
- }
- if (this.selectionEnd) {
- this.selectionEnd[1] -= amount;
- }
- if (this.selectionEnd && this.selectionEnd[1] < 0) {
- this.clearSelection();
- return true;
- }
- if (this.selectionStart && this.selectionStart[1] < 0) {
- this.selectionStart[1] = 0;
- }
- return false;
- };
- return SelectionModel;
-}());
-exports.SelectionModel = SelectionModel;
-
-},{}],17:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.DEFAULT_BELL_SOUND = 'data:audio/wav;base64,UklGRigBAABXQVZFZm10IBAAAAABAAEARKwAAIhYAQACABAAZGF0YQQBAADpAFgCwAMlBZoG/wdmCcoKRAypDQ8PbRDBEQQTOxRtFYcWlBePGIUZXhoiG88bcBz7HHIdzh0WHlMeZx51HmkeUx4WHs8dah0AHXwc3hs9G4saxRnyGBIYGBcQFv8U4RPAEoYRQBACD70NWwwHC6gJOwjWBloF7gOBAhABkf8b/qv8R/ve+Xf4Ife79W/0JfPZ8Z/wde9N7ijtE+wU6xvqM+lb6H7nw+YX5mrlxuQz5Mzje+Ma49fioeKD4nXiYeJy4pHitOL04j/jn+MN5IPkFOWs5U3mDefM55/ogOl36m7rdOyE7abuyu8D8Unyj/Pg9D/2qfcb+Yn6/vuK/Qj/lAAlAg==';
-var SoundManager = (function () {
- function SoundManager(_terminal) {
- this._terminal = _terminal;
- }
- Object.defineProperty(SoundManager, "audioContext", {
- get: function () {
- if (!SoundManager._audioContext) {
- var audioContextCtor = window.AudioContext || window.webkitAudioContext;
- if (!audioContextCtor) {
- console.warn('Web Audio API is not supported by this browser. Consider upgrading to the latest version');
- return null;
- }
- SoundManager._audioContext = new audioContextCtor();
- }
- return SoundManager._audioContext;
- },
- enumerable: true,
- configurable: true
- });
- SoundManager.prototype.playBellSound = function () {
- var ctx = SoundManager.audioContext;
- if (!ctx) {
- return;
- }
- var bellAudioSource = ctx.createBufferSource();
- ctx.decodeAudioData(this._base64ToArrayBuffer(this._removeMimeType(this._terminal.options.bellSound)), function (buffer) {
- bellAudioSource.buffer = buffer;
- bellAudioSource.connect(ctx.destination);
- bellAudioSource.start(0);
- });
- };
- SoundManager.prototype._base64ToArrayBuffer = function (base64) {
- var binaryString = window.atob(base64);
- var len = binaryString.length;
- var bytes = new Uint8Array(len);
- for (var i = 0; i < len; i++) {
- bytes[i] = binaryString.charCodeAt(i);
- }
- return bytes.buffer;
- };
- SoundManager.prototype._removeMimeType = function (dataURI) {
- var splitUri = dataURI.split(',');
- return splitUri[1];
- };
- return SoundManager;
-}());
-exports.SoundManager = SoundManager;
-
-},{}],18:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.blankLine = 'Blank line';
-exports.promptLabel = 'Terminal input';
-exports.tooMuchOutput = 'Too much output to announce, navigate to rows manually to read';
-
-},{}],19:[function(require,module,exports){
-"use strict";
-var __extends = (this && this.__extends) || (function () {
- var extendStatics = function (d, b) {
- extendStatics = Object.setPrototypeOf ||
- ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
- function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
- return extendStatics(d, b);
- };
- return function (d, b) {
- extendStatics(d, b);
- function __() { this.constructor = d; }
- d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
- };
-})();
-Object.defineProperty(exports, "__esModule", { value: true });
-var BufferSet_1 = require("./BufferSet");
-var Buffer_1 = require("./Buffer");
-var CompositionHelper_1 = require("./CompositionHelper");
-var EventEmitter_1 = require("./common/EventEmitter");
-var Viewport_1 = require("./Viewport");
-var Clipboard_1 = require("./Clipboard");
-var EscapeSequences_1 = require("./common/data/EscapeSequences");
-var InputHandler_1 = require("./InputHandler");
-var Renderer_1 = require("./renderer/Renderer");
-var Linkifier_1 = require("./Linkifier");
-var SelectionManager_1 = require("./SelectionManager");
-var CharMeasure_1 = require("./CharMeasure");
-var Browser = require("./common/Platform");
-var Lifecycle_1 = require("./ui/Lifecycle");
-var Strings = require("./Strings");
-var MouseHelper_1 = require("./MouseHelper");
-var SoundManager_1 = require("./SoundManager");
-var MouseZoneManager_1 = require("./MouseZoneManager");
-var AccessibilityManager_1 = require("./AccessibilityManager");
-var ScreenDprMonitor_1 = require("./ui/ScreenDprMonitor");
-var CharAtlasCache_1 = require("./renderer/atlas/CharAtlasCache");
-var DomRenderer_1 = require("./renderer/dom/DomRenderer");
-var Keyboard_1 = require("./core/input/Keyboard");
-var Clone_1 = require("./common/Clone");
-var EventEmitter2_1 = require("./common/EventEmitter2");
-var WindowsMode_1 = require("./WindowsMode");
-var document = (typeof window !== 'undefined') ? window.document : null;
-var WRITE_BUFFER_PAUSE_THRESHOLD = 5;
-var WRITE_TIMEOUT_MS = 12;
-var MINIMUM_COLS = 2;
-var MINIMUM_ROWS = 1;
-var CONSTRUCTOR_ONLY_OPTIONS = ['cols', 'rows'];
-var DEFAULT_OPTIONS = {
- cols: 80,
- rows: 24,
- convertEol: false,
- termName: 'xterm',
- cursorBlink: false,
- cursorStyle: 'block',
- bellSound: SoundManager_1.DEFAULT_BELL_SOUND,
- bellStyle: 'none',
- drawBoldTextInBrightColors: true,
- enableBold: true,
- experimentalCharAtlas: 'static',
- fontFamily: 'courier-new, courier, monospace',
- fontSize: 15,
- fontWeight: 'normal',
- fontWeightBold: 'bold',
- lineHeight: 1.0,
- letterSpacing: 0,
- scrollback: 1000,
- screenKeys: false,
- screenReaderMode: false,
- debug: false,
- macOptionIsMeta: false,
- macOptionClickForcesSelection: false,
- cancelEvents: false,
- disableStdin: false,
- useFlowControl: false,
- allowTransparency: false,
- tabStopWidth: 8,
- theme: null,
- rightClickSelectsWord: Browser.isMac,
- rendererType: 'canvas',
- windowsMode: false
-};
-var Terminal = (function (_super) {
- __extends(Terminal, _super);
- function Terminal(options) {
- if (options === void 0) { options = {}; }
- var _this = _super.call(this) || this;
- _this.browser = Browser;
- _this._blankLine = null;
- _this._onCursorMove = new EventEmitter2_1.EventEmitter2();
- _this._onData = new EventEmitter2_1.EventEmitter2();
- _this._onKey = new EventEmitter2_1.EventEmitter2();
- _this._onLineFeed = new EventEmitter2_1.EventEmitter2();
- _this._onRender = new EventEmitter2_1.EventEmitter2();
- _this._onResize = new EventEmitter2_1.EventEmitter2();
- _this._onScroll = new EventEmitter2_1.EventEmitter2();
- _this._onSelectionChange = new EventEmitter2_1.EventEmitter2();
- _this._onTitleChange = new EventEmitter2_1.EventEmitter2();
- _this.options = Clone_1.clone(options);
- _this._setup();
- _this.onCursorMove(function () { return _this.emit('cursormove'); });
- _this.onData(function (e) { return _this.emit('data', e); });
- _this.onKey(function (e) { return _this.emit('key', e.key, e.domEvent); });
- _this.onLineFeed(function () { return _this.emit('linefeed'); });
- _this.onRender(function (e) { return _this.emit('refresh', e); });
- _this.onResize(function (e) { return _this.emit('resize', e); });
- _this.onSelectionChange(function () { return _this.emit('selection'); });
- _this.onScroll(function (e) { return _this.emit('scroll', e); });
- _this.onTitleChange(function (e) { return _this.emit('title', e); });
- return _this;
- }
- Object.defineProperty(Terminal.prototype, "onCursorMove", {
- get: function () { return this._onCursorMove.event; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(Terminal.prototype, "onData", {
- get: function () { return this._onData.event; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(Terminal.prototype, "onKey", {
- get: function () { return this._onKey.event; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(Terminal.prototype, "onLineFeed", {
- get: function () { return this._onLineFeed.event; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(Terminal.prototype, "onRender", {
- get: function () { return this._onRender.event; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(Terminal.prototype, "onResize", {
- get: function () { return this._onResize.event; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(Terminal.prototype, "onScroll", {
- get: function () { return this._onScroll.event; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(Terminal.prototype, "onSelectionChange", {
- get: function () { return this._onSelectionChange.event; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(Terminal.prototype, "onTitleChange", {
- get: function () { return this._onTitleChange.event; },
- enumerable: true,
- configurable: true
- });
- Terminal.prototype.dispose = function () {
- _super.prototype.dispose.call(this);
- if (this._windowsMode) {
- this._windowsMode.dispose();
- this._windowsMode = undefined;
- }
- this._customKeyEventHandler = null;
- CharAtlasCache_1.removeTerminalFromCache(this);
- this.handler = function () { };
- this.write = function () { };
- if (this.element && this.element.parentNode) {
- this.element.parentNode.removeChild(this.element);
- }
- };
- Terminal.prototype.destroy = function () {
- this.dispose();
- };
- Terminal.prototype._setup = function () {
- var _this = this;
- Object.keys(DEFAULT_OPTIONS).forEach(function (key) {
- if (_this.options[key] === null || _this.options[key] === undefined) {
- _this.options[key] = DEFAULT_OPTIONS[key];
- }
- });
- this._parent = document ? document.body : null;
- this.cols = Math.max(this.options.cols, MINIMUM_COLS);
- this.rows = Math.max(this.options.rows, MINIMUM_ROWS);
- if (this.options.handler) {
- this.onData(this.options.handler);
- }
- this.cursorState = 0;
- this.cursorHidden = false;
- this._customKeyEventHandler = null;
- this.applicationKeypad = false;
- this.applicationCursor = false;
- this.originMode = false;
- this.insertMode = false;
- this.wraparoundMode = true;
- this.bracketedPasteMode = false;
- this.charset = null;
- this.gcharset = null;
- this.glevel = 0;
- this.charsets = [null];
- this.curAttrData = Buffer_1.DEFAULT_ATTR_DATA.clone();
- this._eraseAttrData = Buffer_1.DEFAULT_ATTR_DATA.clone();
- this.params = [];
- this.currentParam = 0;
- this.writeBuffer = [];
- this._writeInProgress = false;
- this._xoffSentToCatchUp = false;
- this._userScrolling = false;
- this._inputHandler = new InputHandler_1.InputHandler(this);
- this._inputHandler.onCursorMove(function () { return _this._onCursorMove.fire(); });
- this._inputHandler.onLineFeed(function () { return _this._onLineFeed.fire(); });
- this._inputHandler.onData(function (e) { return _this._onData.fire(e); });
- this.register(this._inputHandler);
- this.renderer = this.renderer || null;
- this.selectionManager = this.selectionManager || null;
- this.linkifier = this.linkifier || new Linkifier_1.Linkifier(this);
- this._mouseZoneManager = this._mouseZoneManager || null;
- this.soundManager = this.soundManager || new SoundManager_1.SoundManager(this);
- this.buffers = new BufferSet_1.BufferSet(this);
- if (this.selectionManager) {
- this.selectionManager.clearSelection();
- this.selectionManager.initBuffersListeners();
- }
- if (this.options.windowsMode) {
- this._windowsMode = WindowsMode_1.applyWindowsMode(this);
- }
- };
- Object.defineProperty(Terminal.prototype, "buffer", {
- get: function () {
- return this.buffers.active;
- },
- enumerable: true,
- configurable: true
- });
- Terminal.prototype.eraseAttrData = function () {
- this._eraseAttrData.bg &= ~(50331648 | 0xFFFFFF);
- this._eraseAttrData.bg |= this.curAttrData.bg & ~0xFC000000;
- return this._eraseAttrData;
- };
- Terminal.prototype.focus = function () {
- if (this.textarea) {
- this.textarea.focus({ preventScroll: true });
- }
- };
- Object.defineProperty(Terminal.prototype, "isFocused", {
- get: function () {
- return document.activeElement === this.textarea && document.hasFocus();
- },
- enumerable: true,
- configurable: true
- });
- Terminal.prototype.getOption = function (key) {
- if (!(key in DEFAULT_OPTIONS)) {
- throw new Error('No option with key "' + key + '"');
- }
- return this.options[key];
- };
- Terminal.prototype.setOption = function (key, value) {
- if (!(key in DEFAULT_OPTIONS)) {
- throw new Error('No option with key "' + key + '"');
- }
- if (CONSTRUCTOR_ONLY_OPTIONS.indexOf(key) !== -1) {
- console.error("Option \"" + key + "\" can only be set in the constructor");
- }
- if (this.options[key] === value) {
- return;
- }
- switch (key) {
- case 'bellStyle':
- if (!value) {
- value = 'none';
- }
- break;
- case 'cursorStyle':
- if (!value) {
- value = 'block';
- }
- break;
- case 'fontWeight':
- if (!value) {
- value = 'normal';
- }
- break;
- case 'fontWeightBold':
- if (!value) {
- value = 'bold';
- }
- break;
- case 'lineHeight':
- if (value < 1) {
- console.warn(key + " cannot be less than 1, value: " + value);
- return;
- }
- case 'rendererType':
- if (!value) {
- value = 'canvas';
- }
- break;
- case 'tabStopWidth':
- if (value < 1) {
- console.warn(key + " cannot be less than 1, value: " + value);
- return;
- }
- break;
- case 'theme':
- if (this.renderer) {
- this._setTheme(value);
- return;
- }
- break;
- case 'scrollback':
- value = Math.min(value, Buffer_1.MAX_BUFFER_SIZE);
- if (value < 0) {
- console.warn(key + " cannot be less than 0, value: " + value);
- return;
- }
- if (this.options[key] !== value) {
- var newBufferLength = this.rows + value;
- if (this.buffer.lines.length > newBufferLength) {
- var amountToTrim = this.buffer.lines.length - newBufferLength;
- var needsRefresh = (this.buffer.ydisp - amountToTrim < 0);
- this.buffer.lines.trimStart(amountToTrim);
- this.buffer.ybase = Math.max(this.buffer.ybase - amountToTrim, 0);
- this.buffer.ydisp = Math.max(this.buffer.ydisp - amountToTrim, 0);
- if (needsRefresh) {
- this.refresh(0, this.rows - 1);
- }
- }
- }
- break;
- }
- this.options[key] = value;
- switch (key) {
- case 'fontFamily':
- case 'fontSize':
- if (this.renderer) {
- this.renderer.clear();
- this.charMeasure.measure(this.options);
- }
- break;
- case 'drawBoldTextInBrightColors':
- case 'experimentalCharAtlas':
- case 'enableBold':
- case 'letterSpacing':
- case 'lineHeight':
- case 'fontWeight':
- case 'fontWeightBold':
- if (this.renderer) {
- this.renderer.clear();
- this.renderer.onResize(this.cols, this.rows);
- this.refresh(0, this.rows - 1);
- }
- break;
- case 'rendererType':
- if (this.renderer) {
- this.unregister(this.renderer);
- this.renderer.dispose();
- this.renderer = null;
- }
- this._setupRenderer();
- this.renderer.onCharSizeChanged();
- if (this._theme) {
- this.renderer.setTheme(this._theme);
- }
- this.mouseHelper.setRenderer(this.renderer);
- break;
- case 'scrollback':
- this.buffers.resize(this.cols, this.rows);
- if (this.viewport) {
- this.viewport.syncScrollArea();
- }
- break;
- case 'screenReaderMode':
- if (value) {
- if (!this._accessibilityManager) {
- this._accessibilityManager = new AccessibilityManager_1.AccessibilityManager(this);
- }
- }
- else {
- if (this._accessibilityManager) {
- this._accessibilityManager.dispose();
- this._accessibilityManager = null;
- }
- }
- break;
- case 'tabStopWidth':
- this.buffers.setupTabStops();
- break;
- case 'windowsMode':
- if (value) {
- if (!this._windowsMode) {
- this._windowsMode = WindowsMode_1.applyWindowsMode(this);
- }
- }
- else {
- if (this._windowsMode) {
- this._windowsMode.dispose();
- this._windowsMode = undefined;
- }
- }
- break;
- }
- if (this.renderer) {
- this.renderer.onOptionsChanged();
- }
- };
- Terminal.prototype._onTextAreaFocus = function (ev) {
- if (this.sendFocus) {
- this.handler(EscapeSequences_1.C0.ESC + '[I');
- }
- this.updateCursorStyle(ev);
- this.element.classList.add('focus');
- this.showCursor();
- this.emit('focus');
- };
- Terminal.prototype.blur = function () {
- return this.textarea.blur();
- };
- Terminal.prototype._onTextAreaBlur = function () {
- this.textarea.value = '';
- this.refresh(this.buffer.y, this.buffer.y);
- if (this.sendFocus) {
- this.handler(EscapeSequences_1.C0.ESC + '[O');
- }
- this.element.classList.remove('focus');
- this.emit('blur');
- };
- Terminal.prototype._initGlobal = function () {
- var _this = this;
- this._bindKeys();
- this.register(Lifecycle_1.addDisposableDomListener(this.element, 'copy', function (event) {
- if (!_this.hasSelection()) {
- return;
- }
- Clipboard_1.copyHandler(event, _this, _this.selectionManager);
- }));
- var pasteHandlerWrapper = function (event) { return Clipboard_1.pasteHandler(event, _this); };
- this.register(Lifecycle_1.addDisposableDomListener(this.textarea, 'paste', pasteHandlerWrapper));
- this.register(Lifecycle_1.addDisposableDomListener(this.element, 'paste', pasteHandlerWrapper));
- if (Browser.isFirefox) {
- this.register(Lifecycle_1.addDisposableDomListener(this.element, 'mousedown', function (event) {
- if (event.button === 2) {
- Clipboard_1.rightClickHandler(event, _this, _this.selectionManager, _this.options.rightClickSelectsWord);
- }
- }));
- }
- else {
- this.register(Lifecycle_1.addDisposableDomListener(this.element, 'contextmenu', function (event) {
- Clipboard_1.rightClickHandler(event, _this, _this.selectionManager, _this.options.rightClickSelectsWord);
- }));
- }
- if (Browser.isLinux) {
- this.register(Lifecycle_1.addDisposableDomListener(this.element, 'auxclick', function (event) {
- if (event.button === 1) {
- Clipboard_1.moveTextAreaUnderMouseCursor(event, _this);
- }
- }));
- }
- };
- Terminal.prototype._bindKeys = function () {
- var _this = this;
- var self = this;
- this.register(Lifecycle_1.addDisposableDomListener(this.element, 'keydown', function (ev) {
- if (document.activeElement !== this) {
- return;
- }
- self._keyDown(ev);
- }, true));
- this.register(Lifecycle_1.addDisposableDomListener(this.element, 'keypress', function (ev) {
- if (document.activeElement !== this) {
- return;
- }
- self._keyPress(ev);
- }, true));
- this.register(Lifecycle_1.addDisposableDomListener(this.element, 'keyup', function (ev) {
- if (!wasModifierKeyOnlyEvent(ev)) {
- _this.focus();
- }
- self._keyUp(ev);
- }, true));
- this.register(Lifecycle_1.addDisposableDomListener(this.textarea, 'keydown', function (ev) { return _this._keyDown(ev); }, true));
- this.register(Lifecycle_1.addDisposableDomListener(this.textarea, 'keypress', function (ev) { return _this._keyPress(ev); }, true));
- this.register(Lifecycle_1.addDisposableDomListener(this.textarea, 'compositionstart', function () { return _this._compositionHelper.compositionstart(); }));
- this.register(Lifecycle_1.addDisposableDomListener(this.textarea, 'compositionupdate', function (e) { return _this._compositionHelper.compositionupdate(e); }));
- this.register(Lifecycle_1.addDisposableDomListener(this.textarea, 'compositionend', function () { return _this._compositionHelper.compositionend(); }));
- this.register(this.onRender(function () { return _this._compositionHelper.updateCompositionElements(); }));
- this.register(this.onRender(function (e) { return _this._queueLinkification(e.start, e.end); }));
- };
- Terminal.prototype.open = function (parent) {
- var _this = this;
- this._parent = parent || this._parent;
- if (!this._parent) {
- throw new Error('Terminal requires a parent element.');
- }
- this._context = this._parent.ownerDocument.defaultView;
- this._document = this._parent.ownerDocument;
- this._screenDprMonitor = new ScreenDprMonitor_1.ScreenDprMonitor();
- this._screenDprMonitor.setListener(function () { return _this.emit('dprchange', window.devicePixelRatio); });
- this.register(this._screenDprMonitor);
- this.element = this._document.createElement('div');
- this.element.dir = 'ltr';
- this.element.classList.add('terminal');
- this.element.classList.add('xterm');
- this.element.setAttribute('tabindex', '0');
- this._parent.appendChild(this.element);
- var fragment = document.createDocumentFragment();
- this._viewportElement = document.createElement('div');
- this._viewportElement.classList.add('xterm-viewport');
- fragment.appendChild(this._viewportElement);
- this._viewportScrollArea = document.createElement('div');
- this._viewportScrollArea.classList.add('xterm-scroll-area');
- this._viewportElement.appendChild(this._viewportScrollArea);
- this.screenElement = document.createElement('div');
- this.screenElement.classList.add('xterm-screen');
- this._helperContainer = document.createElement('div');
- this._helperContainer.classList.add('xterm-helpers');
- this.screenElement.appendChild(this._helperContainer);
- fragment.appendChild(this.screenElement);
- this._mouseZoneManager = new MouseZoneManager_1.MouseZoneManager(this);
- this.register(this._mouseZoneManager);
- this.register(this.onScroll(function () { return _this._mouseZoneManager.clearAll(); }));
- this.linkifier.attachToDom(this._mouseZoneManager);
- this.textarea = document.createElement('textarea');
- this.textarea.classList.add('xterm-helper-textarea');
- this.textarea.setAttribute('aria-label', Strings.promptLabel);
- this.textarea.setAttribute('aria-multiline', 'false');
- this.textarea.setAttribute('autocorrect', 'off');
- this.textarea.setAttribute('autocapitalize', 'off');
- this.textarea.setAttribute('spellcheck', 'false');
- this.textarea.tabIndex = 0;
- this.register(Lifecycle_1.addDisposableDomListener(this.textarea, 'focus', function (ev) { return _this._onTextAreaFocus(ev); }));
- this.register(Lifecycle_1.addDisposableDomListener(this.textarea, 'blur', function () { return _this._onTextAreaBlur(); }));
- this._helperContainer.appendChild(this.textarea);
- this._compositionView = document.createElement('div');
- this._compositionView.classList.add('composition-view');
- this._compositionHelper = new CompositionHelper_1.CompositionHelper(this.textarea, this._compositionView, this);
- this._helperContainer.appendChild(this._compositionView);
- this.charMeasure = new CharMeasure_1.CharMeasure(document, this._helperContainer);
- this.element.appendChild(fragment);
- this._setupRenderer();
- this._theme = this.options.theme;
- this.options.theme = null;
- this.viewport = new Viewport_1.Viewport(this, this._viewportElement, this._viewportScrollArea, this.charMeasure);
- this.viewport.onThemeChanged(this.renderer.colorManager.colors);
- this.register(this.viewport);
- this.register(this.onCursorMove(function () { return _this.renderer.onCursorMove(); }));
- this.register(this.onResize(function () { return _this.renderer.onResize(_this.cols, _this.rows); }));
- this.register(this.addDisposableListener('blur', function () { return _this.renderer.onBlur(); }));
- this.register(this.addDisposableListener('focus', function () { return _this.renderer.onFocus(); }));
- this.register(this.addDisposableListener('dprchange', function () { return _this.renderer.onWindowResize(window.devicePixelRatio); }));
- this.register(Lifecycle_1.addDisposableDomListener(window, 'resize', function () { return _this.renderer.onWindowResize(window.devicePixelRatio); }));
- this.register(this.charMeasure.onCharSizeChanged(function () { return _this.renderer.onCharSizeChanged(); }));
- this.register(this.renderer.onCanvasResize(function () { return _this.viewport.syncScrollArea(); }));
- this.selectionManager = new SelectionManager_1.SelectionManager(this, this.charMeasure);
- this.register(this.selectionManager.onSelectionChange(function () { return _this._onSelectionChange.fire(); }));
- this.register(Lifecycle_1.addDisposableDomListener(this.element, 'mousedown', function (e) { return _this.selectionManager.onMouseDown(e); }));
- this.register(this.selectionManager.onRedrawRequest(function (e) { return _this.renderer.onSelectionChanged(e.start, e.end, e.columnSelectMode); }));
- this.register(this.selectionManager.onLinuxMouseSelection(function (text) {
- _this.textarea.value = text;
- _this.textarea.focus();
- _this.textarea.select();
- }));
- this.register(this.onScroll(function () {
- _this.viewport.syncScrollArea();
- _this.selectionManager.refresh();
- }));
- this.register(Lifecycle_1.addDisposableDomListener(this._viewportElement, 'scroll', function () { return _this.selectionManager.refresh(); }));
- this.mouseHelper = new MouseHelper_1.MouseHelper(this.renderer);
- this.element.classList.toggle('enable-mouse-events', this.mouseEvents);
- if (this.mouseEvents) {
- this.selectionManager.disable();
- }
- else {
- this.selectionManager.enable();
- }
- if (this.options.screenReaderMode) {
- this._accessibilityManager = new AccessibilityManager_1.AccessibilityManager(this);
- }
- this.charMeasure.measure(this.options);
- this.refresh(0, this.rows - 1);
- this._initGlobal();
- this.bindMouse();
- };
- Terminal.prototype._setupRenderer = function () {
- var _this = this;
- switch (this.options.rendererType) {
- case 'canvas':
- this.renderer = new Renderer_1.Renderer(this, this.options.theme);
- break;
- case 'dom':
- this.renderer = new DomRenderer_1.DomRenderer(this, this.options.theme);
- break;
- default: throw new Error("Unrecognized rendererType \"" + this.options.rendererType + "\"");
- }
- this.renderer.onRender(function (e) { return _this._onRender.fire(e); });
- this.register(this.renderer);
- };
- Terminal.prototype._setTheme = function (theme) {
- this._theme = theme;
- var colors = this.renderer.setTheme(theme);
- if (this.viewport) {
- this.viewport.onThemeChanged(colors);
- }
- };
- Terminal.prototype.bindMouse = function () {
- var _this = this;
- var el = this.element;
- var self = this;
- var pressed = 32;
- function sendButton(ev) {
- var button;
- var pos;
- button = getButton(ev);
- pos = self.mouseHelper.getRawByteCoords(ev, self.screenElement, self.charMeasure, self.cols, self.rows);
- if (!pos)
- return;
- sendEvent(button, pos);
- switch (ev.overrideType || ev.type) {
- case 'mousedown':
- pressed = button;
- break;
- case 'mouseup':
- pressed = 32;
- break;
- case 'wheel':
- break;
- }
- }
- function sendMove(ev) {
- var button = pressed;
- var pos = self.mouseHelper.getRawByteCoords(ev, self.screenElement, self.charMeasure, self.cols, self.rows);
- if (!pos)
- return;
- button += 32;
- sendEvent(button, pos);
- }
- function encode(data, ch) {
- if (!self.utfMouse) {
- if (ch === 255) {
- data.push(0);
- return;
- }
- if (ch > 127)
- ch = 127;
- data.push(ch);
- }
- else {
- if (ch > 2047) {
- data.push(2047);
- return;
- }
- data.push(ch);
- }
- }
- function sendEvent(button, pos) {
- if (self._vt300Mouse) {
- button &= 3;
- pos.x -= 32;
- pos.y -= 32;
- var data_1 = EscapeSequences_1.C0.ESC + '[24';
- if (button === 0)
- data_1 += '1';
- else if (button === 1)
- data_1 += '3';
- else if (button === 2)
- data_1 += '5';
- else if (button === 3)
- return;
- else
- data_1 += '0';
- data_1 += '~[' + pos.x + ',' + pos.y + ']\r';
- self.handler(data_1);
- return;
- }
- if (self._decLocator) {
- button &= 3;
- pos.x -= 32;
- pos.y -= 32;
- if (button === 0)
- button = 2;
- else if (button === 1)
- button = 4;
- else if (button === 2)
- button = 6;
- else if (button === 3)
- button = 3;
- self.handler(EscapeSequences_1.C0.ESC + '['
- + button
- + ';'
- + (button === 3 ? 4 : 0)
- + ';'
- + pos.y
- + ';'
- + pos.x
- + ';'
- + pos.page || 0
- + '&w');
- return;
- }
- if (self.urxvtMouse) {
- pos.x -= 32;
- pos.y -= 32;
- pos.x++;
- pos.y++;
- self.handler(EscapeSequences_1.C0.ESC + '[' + button + ';' + pos.x + ';' + pos.y + 'M');
- return;
- }
- if (self.sgrMouse) {
- pos.x -= 32;
- pos.y -= 32;
- self.handler(EscapeSequences_1.C0.ESC + '[<'
- + (((button & 3) === 3 ? button & ~3 : button) - 32)
- + ';'
- + pos.x
- + ';'
- + pos.y
- + ((button & 3) === 3 ? 'm' : 'M'));
- return;
- }
- var data = [];
- encode(data, button);
- encode(data, pos.x);
- encode(data, pos.y);
- self.handler(EscapeSequences_1.C0.ESC + '[M' + String.fromCharCode.apply(String, data));
- }
- function getButton(ev) {
- var button;
- var shift;
- var meta;
- var ctrl;
- var mod;
- switch (ev.overrideType || ev.type) {
- case 'mousedown':
- button = ev.button !== null && ev.button !== undefined
- ? +ev.button
- : ev.which !== null && ev.which !== undefined
- ? ev.which - 1
- : null;
- if (Browser.isMSIE) {
- button = button === 1 ? 0 : button === 4 ? 1 : button;
- }
- break;
- case 'mouseup':
- button = 3;
- break;
- case 'DOMMouseScroll':
- button = ev.detail < 0
- ? 64
- : 65;
- break;
- case 'wheel':
- button = ev.deltaY < 0
- ? 64
- : 65;
- break;
- }
- shift = ev.shiftKey ? 4 : 0;
- meta = ev.metaKey ? 8 : 0;
- ctrl = ev.ctrlKey ? 16 : 0;
- mod = shift | meta | ctrl;
- if (self.vt200Mouse) {
- mod &= ctrl;
- }
- else if (!self.normalMouse) {
- mod = 0;
- }
- button = (32 + (mod << 2)) + button;
- return button;
- }
- this.register(Lifecycle_1.addDisposableDomListener(el, 'mousedown', function (ev) {
- ev.preventDefault();
- _this.focus();
- if (!_this.mouseEvents || _this.selectionManager.shouldForceSelection(ev)) {
- return;
- }
- sendButton(ev);
- if (_this.vt200Mouse) {
- ev.overrideType = 'mouseup';
- sendButton(ev);
- return _this.cancel(ev);
- }
- var moveHandler;
- if (_this.normalMouse) {
- moveHandler = function (event) {
- if (!_this.normalMouse) {
- return;
- }
- sendMove(event);
- };
- _this._document.addEventListener('mousemove', moveHandler);
- }
- var handler = function (ev) {
- if (_this.normalMouse && !_this.x10Mouse) {
- sendButton(ev);
- }
- if (moveHandler) {
- _this._document.removeEventListener('mousemove', moveHandler);
- moveHandler = null;
- }
- _this._document.removeEventListener('mouseup', handler);
- return _this.cancel(ev);
- };
- _this._document.addEventListener('mouseup', handler);
- return _this.cancel(ev);
- }));
- this.register(Lifecycle_1.addDisposableDomListener(el, 'wheel', function (ev) {
- if (!_this.mouseEvents) {
- if (!_this.buffer.hasScrollback) {
- var amount = _this.viewport.getLinesScrolled(ev);
- if (amount === 0) {
- return;
- }
- var sequence = EscapeSequences_1.C0.ESC + (_this.applicationCursor ? 'O' : '[') + (ev.deltaY < 0 ? 'A' : 'B');
- var data = '';
- for (var i = 0; i < Math.abs(amount); i++) {
- data += sequence;
- }
- _this.handler(data);
- }
- return;
- }
- if (_this.x10Mouse || _this._vt300Mouse || _this._decLocator)
- return;
- sendButton(ev);
- ev.preventDefault();
- }));
- this.register(Lifecycle_1.addDisposableDomListener(el, 'wheel', function (ev) {
- if (_this.mouseEvents)
- return;
- _this.viewport.onWheel(ev);
- return _this.cancel(ev);
- }));
- this.register(Lifecycle_1.addDisposableDomListener(el, 'touchstart', function (ev) {
- if (_this.mouseEvents)
- return;
- _this.viewport.onTouchStart(ev);
- return _this.cancel(ev);
- }));
- this.register(Lifecycle_1.addDisposableDomListener(el, 'touchmove', function (ev) {
- if (_this.mouseEvents)
- return;
- _this.viewport.onTouchMove(ev);
- return _this.cancel(ev);
- }));
- };
- Terminal.prototype.refresh = function (start, end) {
- if (this.renderer) {
- this.renderer.refreshRows(start, end);
- }
- };
- Terminal.prototype._queueLinkification = function (start, end) {
- if (this.linkifier) {
- this.linkifier.linkifyRows(start, end);
- }
- };
- Terminal.prototype.updateCursorStyle = function (ev) {
- if (this.selectionManager && this.selectionManager.shouldColumnSelect(ev)) {
- this.element.classList.add('column-select');
- }
- else {
- this.element.classList.remove('column-select');
- }
- };
- Terminal.prototype.showCursor = function () {
- if (!this.cursorState) {
- this.cursorState = 1;
- this.refresh(this.buffer.y, this.buffer.y);
- }
- };
- Terminal.prototype.scroll = function (isWrapped) {
- if (isWrapped === void 0) { isWrapped = false; }
- var newLine;
- newLine = this._blankLine;
- var eraseAttr = this.eraseAttrData();
- if (!newLine || newLine.length !== this.cols || newLine.getFg(0) !== eraseAttr.fg || newLine.getBg(0) !== eraseAttr.bg) {
- newLine = this.buffer.getBlankLine(eraseAttr, isWrapped);
- this._blankLine = newLine;
- }
- newLine.isWrapped = isWrapped;
- var topRow = this.buffer.ybase + this.buffer.scrollTop;
- var bottomRow = this.buffer.ybase + this.buffer.scrollBottom;
- if (this.buffer.scrollTop === 0) {
- var willBufferBeTrimmed = this.buffer.lines.isFull;
- if (bottomRow === this.buffer.lines.length - 1) {
- if (willBufferBeTrimmed) {
- this.buffer.lines.recycle().copyFrom(newLine);
- }
- else {
- this.buffer.lines.push(newLine.clone());
- }
- }
- else {
- this.buffer.lines.splice(bottomRow + 1, 0, newLine.clone());
- }
- if (!willBufferBeTrimmed) {
- this.buffer.ybase++;
- if (!this._userScrolling) {
- this.buffer.ydisp++;
- }
- }
- else {
- if (this._userScrolling) {
- this.buffer.ydisp = Math.max(this.buffer.ydisp - 1, 0);
- }
- }
- }
- else {
- var scrollRegionHeight = bottomRow - topRow + 1;
- this.buffer.lines.shiftElements(topRow + 1, scrollRegionHeight - 1, -1);
- this.buffer.lines.set(bottomRow, newLine.clone());
- }
- if (!this._userScrolling) {
- this.buffer.ydisp = this.buffer.ybase;
- }
- this.updateRange(this.buffer.scrollTop);
- this.updateRange(this.buffer.scrollBottom);
- this._onScroll.fire(this.buffer.ydisp);
- };
- Terminal.prototype.scrollLines = function (disp, suppressScrollEvent) {
- if (disp < 0) {
- if (this.buffer.ydisp === 0) {
- return;
- }
- this._userScrolling = true;
- }
- else if (disp + this.buffer.ydisp >= this.buffer.ybase) {
- this._userScrolling = false;
- }
- var oldYdisp = this.buffer.ydisp;
- this.buffer.ydisp = Math.max(Math.min(this.buffer.ydisp + disp, this.buffer.ybase), 0);
- if (oldYdisp === this.buffer.ydisp) {
- return;
- }
- if (!suppressScrollEvent) {
- this._onScroll.fire(this.buffer.ydisp);
- }
- this.refresh(0, this.rows - 1);
- };
- Terminal.prototype.scrollPages = function (pageCount) {
- this.scrollLines(pageCount * (this.rows - 1));
- };
- Terminal.prototype.scrollToTop = function () {
- this.scrollLines(-this.buffer.ydisp);
- };
- Terminal.prototype.scrollToBottom = function () {
- this.scrollLines(this.buffer.ybase - this.buffer.ydisp);
- };
- Terminal.prototype.scrollToLine = function (line) {
- var scrollAmount = line - this.buffer.ydisp;
- if (scrollAmount !== 0) {
- this.scrollLines(scrollAmount);
- }
- };
- Terminal.prototype.write = function (data) {
- var _this = this;
- if (this._isDisposed) {
- return;
- }
- if (!data) {
- return;
- }
- this.writeBuffer.push(data);
- if (this.options.useFlowControl && !this._xoffSentToCatchUp && this.writeBuffer.length >= WRITE_BUFFER_PAUSE_THRESHOLD) {
- this.handler(EscapeSequences_1.C0.DC3);
- this._xoffSentToCatchUp = true;
- }
- if (!this._writeInProgress && this.writeBuffer.length > 0) {
- this._writeInProgress = true;
- setTimeout(function () {
- _this._innerWrite();
- });
- }
- };
- Terminal.prototype._innerWrite = function (bufferOffset) {
- var _this = this;
- if (bufferOffset === void 0) { bufferOffset = 0; }
- if (this._isDisposed) {
- this.writeBuffer = [];
- }
- var startTime = Date.now();
- while (this.writeBuffer.length > bufferOffset) {
- var data = this.writeBuffer[bufferOffset];
- bufferOffset++;
- if (this._xoffSentToCatchUp && this.writeBuffer.length === bufferOffset) {
- this.handler(EscapeSequences_1.C0.DC1);
- this._xoffSentToCatchUp = false;
- }
- this._refreshStart = this.buffer.y;
- this._refreshEnd = this.buffer.y;
- this._inputHandler.parse(data);
- this.updateRange(this.buffer.y);
- this.refresh(this._refreshStart, this._refreshEnd);
- if (Date.now() - startTime >= WRITE_TIMEOUT_MS) {
- break;
- }
- }
- if (this.writeBuffer.length > bufferOffset) {
- setTimeout(function () { return _this._innerWrite(bufferOffset); }, 0);
- }
- else {
- this._writeInProgress = false;
- this.writeBuffer = [];
- }
- };
- Terminal.prototype.writeln = function (data) {
- this.write(data + '\r\n');
- };
- Terminal.prototype.attachCustomKeyEventHandler = function (customKeyEventHandler) {
- this._customKeyEventHandler = customKeyEventHandler;
- };
- Terminal.prototype.addCsiHandler = function (flag, callback) {
- return this._inputHandler.addCsiHandler(flag, callback);
- };
- Terminal.prototype.addOscHandler = function (ident, callback) {
- return this._inputHandler.addOscHandler(ident, callback);
- };
- Terminal.prototype.registerLinkMatcher = function (regex, handler, options) {
- var matcherId = this.linkifier.registerLinkMatcher(regex, handler, options);
- this.refresh(0, this.rows - 1);
- return matcherId;
- };
- Terminal.prototype.deregisterLinkMatcher = function (matcherId) {
- if (this.linkifier.deregisterLinkMatcher(matcherId)) {
- this.refresh(0, this.rows - 1);
- }
- };
- Terminal.prototype.registerCharacterJoiner = function (handler) {
- var joinerId = this.renderer.registerCharacterJoiner(handler);
- this.refresh(0, this.rows - 1);
- return joinerId;
- };
- Terminal.prototype.deregisterCharacterJoiner = function (joinerId) {
- if (this.renderer.deregisterCharacterJoiner(joinerId)) {
- this.refresh(0, this.rows - 1);
- }
- };
- Object.defineProperty(Terminal.prototype, "markers", {
- get: function () {
- return this.buffer.markers;
- },
- enumerable: true,
- configurable: true
- });
- Terminal.prototype.addMarker = function (cursorYOffset) {
- if (this.buffer !== this.buffers.normal) {
- return;
- }
- return this.buffer.addMarker(this.buffer.ybase + this.buffer.y + cursorYOffset);
- };
- Terminal.prototype.hasSelection = function () {
- return this.selectionManager ? this.selectionManager.hasSelection : false;
- };
- Terminal.prototype.getSelection = function () {
- return this.selectionManager ? this.selectionManager.selectionText : '';
- };
- Terminal.prototype.clearSelection = function () {
- if (this.selectionManager) {
- this.selectionManager.clearSelection();
- }
- };
- Terminal.prototype.selectAll = function () {
- if (this.selectionManager) {
- this.selectionManager.selectAll();
- }
- };
- Terminal.prototype.selectLines = function (start, end) {
- if (this.selectionManager) {
- this.selectionManager.selectLines(start, end);
- }
- };
- Terminal.prototype._keyDown = function (event) {
- if (this._customKeyEventHandler && this._customKeyEventHandler(event) === false) {
- return false;
- }
- if (!this._compositionHelper.keydown(event)) {
- if (this.buffer.ybase !== this.buffer.ydisp) {
- this.scrollToBottom();
- }
- return false;
- }
- var result = Keyboard_1.evaluateKeyboardEvent(event, this.applicationCursor, this.browser.isMac, this.options.macOptionIsMeta);
- this.updateCursorStyle(event);
- if (result.type === 3 || result.type === 2) {
- var scrollCount = this.rows - 1;
- this.scrollLines(result.type === 2 ? -scrollCount : scrollCount);
- return this.cancel(event, true);
- }
- if (result.type === 1) {
- this.selectAll();
- }
- if (this._isThirdLevelShift(this.browser, event)) {
- return true;
- }
- if (result.cancel) {
- this.cancel(event, true);
- }
- if (!result.key) {
- return true;
- }
- this.emit('keydown', event);
- this._onKey.fire({ key: result.key, domEvent: event });
- this.showCursor();
- this.handler(result.key);
- return this.cancel(event, true);
- };
- Terminal.prototype._isThirdLevelShift = function (browser, ev) {
- var thirdLevelKey = (browser.isMac && !this.options.macOptionIsMeta && ev.altKey && !ev.ctrlKey && !ev.metaKey) ||
- (browser.isMSWindows && ev.altKey && ev.ctrlKey && !ev.metaKey);
- if (ev.type === 'keypress') {
- return thirdLevelKey;
- }
- return thirdLevelKey && (!ev.keyCode || ev.keyCode > 47);
- };
- Terminal.prototype.setgLevel = function (g) {
- this.glevel = g;
- this.charset = this.charsets[g];
- };
- Terminal.prototype.setgCharset = function (g, charset) {
- this.charsets[g] = charset;
- if (this.glevel === g) {
- this.charset = charset;
- }
- };
- Terminal.prototype._keyUp = function (ev) {
- this.updateCursorStyle(ev);
- };
- Terminal.prototype._keyPress = function (ev) {
- var key;
- if (this._customKeyEventHandler && this._customKeyEventHandler(ev) === false) {
- return false;
- }
- this.cancel(ev);
- if (ev.charCode) {
- key = ev.charCode;
- }
- else if (ev.which === null || ev.which === undefined) {
- key = ev.keyCode;
- }
- else if (ev.which !== 0 && ev.charCode !== 0) {
- key = ev.which;
- }
- else {
- return false;
- }
- if (!key || ((ev.altKey || ev.ctrlKey || ev.metaKey) && !this._isThirdLevelShift(this.browser, ev))) {
- return false;
- }
- key = String.fromCharCode(key);
- this.emit('keypress', key, ev);
- this._onKey.fire({ key: key, domEvent: ev });
- this.showCursor();
- this.handler(key);
- return true;
- };
- Terminal.prototype.bell = function () {
- var _this = this;
- this.emit('bell');
- if (this._soundBell()) {
- this.soundManager.playBellSound();
- }
- if (this._visualBell()) {
- this.element.classList.add('visual-bell-active');
- clearTimeout(this._visualBellTimer);
- this._visualBellTimer = window.setTimeout(function () {
- _this.element.classList.remove('visual-bell-active');
- }, 200);
- }
- };
- Terminal.prototype.log = function (text, data) {
- if (!this.options.debug)
- return;
- if (!this._context.console || !this._context.console.log)
- return;
- this._context.console.log(text, data);
- };
- Terminal.prototype.error = function (text, data) {
- if (!this.options.debug)
- return;
- if (!this._context.console || !this._context.console.error)
- return;
- this._context.console.error(text, data);
- };
- Terminal.prototype.resize = function (x, y) {
- if (isNaN(x) || isNaN(y)) {
- return;
- }
- if (x === this.cols && y === this.rows) {
- if (this.charMeasure && (!this.charMeasure.width || !this.charMeasure.height)) {
- this.charMeasure.measure(this.options);
- }
- return;
- }
- if (x < MINIMUM_COLS)
- x = MINIMUM_COLS;
- if (y < MINIMUM_ROWS)
- y = MINIMUM_ROWS;
- this.buffers.resize(x, y);
- this.cols = x;
- this.rows = y;
- this.buffers.setupTabStops(this.cols);
- if (this.charMeasure) {
- this.charMeasure.measure(this.options);
- }
- this.refresh(0, this.rows - 1);
- this._onResize.fire({ cols: x, rows: y });
- };
- Terminal.prototype.updateRange = function (y) {
- if (y < this._refreshStart)
- this._refreshStart = y;
- if (y > this._refreshEnd)
- this._refreshEnd = y;
- };
- Terminal.prototype.maxRange = function () {
- this._refreshStart = 0;
- this._refreshEnd = this.rows - 1;
- };
- Terminal.prototype.clear = function () {
- if (this.buffer.ybase === 0 && this.buffer.y === 0) {
- return;
- }
- this.buffer.lines.set(0, this.buffer.lines.get(this.buffer.ybase + this.buffer.y));
- this.buffer.lines.length = 1;
- this.buffer.ydisp = 0;
- this.buffer.ybase = 0;
- this.buffer.y = 0;
- for (var i = 1; i < this.rows; i++) {
- this.buffer.lines.push(this.buffer.getBlankLine(Buffer_1.DEFAULT_ATTR_DATA));
- }
- this.refresh(0, this.rows - 1);
- this._onScroll.fire(this.buffer.ydisp);
- };
- Terminal.prototype.is = function (term) {
- return (this.options.termName + '').indexOf(term) === 0;
- };
- Terminal.prototype.handler = function (data) {
- if (this.options.disableStdin) {
- return;
- }
- if (this.selectionManager && this.selectionManager.hasSelection) {
- this.selectionManager.clearSelection();
- }
- if (this.buffer.ybase !== this.buffer.ydisp) {
- this.scrollToBottom();
- }
- this._onData.fire(data);
- };
- Terminal.prototype.handleTitle = function (title) {
- this._onTitleChange.fire(title);
- };
- Terminal.prototype.index = function () {
- this.buffer.y++;
- if (this.buffer.y > this.buffer.scrollBottom) {
- this.buffer.y--;
- this.scroll();
- }
- if (this.buffer.x >= this.cols) {
- this.buffer.x--;
- }
- };
- Terminal.prototype.reverseIndex = function () {
- if (this.buffer.y === this.buffer.scrollTop) {
- var scrollRegionHeight = this.buffer.scrollBottom - this.buffer.scrollTop;
- this.buffer.lines.shiftElements(this.buffer.y + this.buffer.ybase, scrollRegionHeight, 1);
- this.buffer.lines.set(this.buffer.y + this.buffer.ybase, this.buffer.getBlankLine(this.eraseAttrData()));
- this.updateRange(this.buffer.scrollTop);
- this.updateRange(this.buffer.scrollBottom);
- }
- else {
- this.buffer.y--;
- }
- };
- Terminal.prototype.reset = function () {
- this.options.rows = this.rows;
- this.options.cols = this.cols;
- var customKeyEventHandler = this._customKeyEventHandler;
- var inputHandler = this._inputHandler;
- var cursorState = this.cursorState;
- this._setup();
- this._customKeyEventHandler = customKeyEventHandler;
- this._inputHandler = inputHandler;
- this.cursorState = cursorState;
- this.refresh(0, this.rows - 1);
- if (this.viewport) {
- this.viewport.syncScrollArea();
- }
- };
- Terminal.prototype.tabSet = function () {
- this.buffer.tabs[this.buffer.x] = true;
- };
- Terminal.prototype.cancel = function (ev, force) {
- if (!this.options.cancelEvents && !force) {
- return;
- }
- ev.preventDefault();
- ev.stopPropagation();
- return false;
- };
- Terminal.prototype._visualBell = function () {
- return false;
- };
- Terminal.prototype._soundBell = function () {
- return this.options.bellStyle === 'sound';
- };
- return Terminal;
-}(EventEmitter_1.EventEmitter));
-exports.Terminal = Terminal;
-function wasModifierKeyOnlyEvent(ev) {
- return ev.keyCode === 16 ||
- ev.keyCode === 17 ||
- ev.keyCode === 18;
-}
-
-},{"./AccessibilityManager":1,"./Buffer":2,"./BufferSet":5,"./CharMeasure":6,"./Clipboard":8,"./CompositionHelper":9,"./InputHandler":11,"./Linkifier":12,"./MouseHelper":13,"./MouseZoneManager":14,"./SelectionManager":15,"./SoundManager":17,"./Strings":18,"./Viewport":20,"./WindowsMode":21,"./common/Clone":23,"./common/EventEmitter":24,"./common/EventEmitter2":25,"./common/Platform":27,"./common/data/EscapeSequences":29,"./core/input/Keyboard":31,"./renderer/Renderer":41,"./renderer/atlas/CharAtlasCache":45,"./renderer/dom/DomRenderer":53,"./ui/Lifecycle":55,"./ui/ScreenDprMonitor":57}],20:[function(require,module,exports){
-"use strict";
-var __extends = (this && this.__extends) || (function () {
- var extendStatics = function (d, b) {
- extendStatics = Object.setPrototypeOf ||
- ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
- function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
- return extendStatics(d, b);
- };
- return function (d, b) {
- extendStatics(d, b);
- function __() { this.constructor = d; }
- d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
- };
-})();
-Object.defineProperty(exports, "__esModule", { value: true });
-var Lifecycle_1 = require("./common/Lifecycle");
-var Lifecycle_2 = require("./ui/Lifecycle");
-var FALLBACK_SCROLL_BAR_WIDTH = 15;
-var Viewport = (function (_super) {
- __extends(Viewport, _super);
- function Viewport(_terminal, _viewportElement, _scrollArea, _charMeasure) {
- var _this = _super.call(this) || this;
- _this._terminal = _terminal;
- _this._viewportElement = _viewportElement;
- _this._scrollArea = _scrollArea;
- _this._charMeasure = _charMeasure;
- _this.scrollBarWidth = 0;
- _this._currentRowHeight = 0;
- _this._lastRecordedBufferLength = 0;
- _this._lastRecordedViewportHeight = 0;
- _this._lastRecordedBufferHeight = 0;
- _this._lastScrollTop = 0;
- _this._wheelPartialScroll = 0;
- _this._refreshAnimationFrame = null;
- _this._ignoreNextScrollEvent = false;
- _this.scrollBarWidth = (_this._viewportElement.offsetWidth - _this._scrollArea.offsetWidth) || FALLBACK_SCROLL_BAR_WIDTH;
- _this.register(Lifecycle_2.addDisposableDomListener(_this._viewportElement, 'scroll', _this._onScroll.bind(_this)));
- setTimeout(function () { return _this.syncScrollArea(); }, 0);
- return _this;
- }
- Viewport.prototype.onThemeChanged = function (colors) {
- this._viewportElement.style.backgroundColor = colors.background.css;
- };
- Viewport.prototype._refresh = function () {
- var _this = this;
- if (this._refreshAnimationFrame === null) {
- this._refreshAnimationFrame = requestAnimationFrame(function () { return _this._innerRefresh(); });
- }
- };
- Viewport.prototype._innerRefresh = function () {
- if (this._charMeasure.height > 0) {
- this._currentRowHeight = this._terminal.renderer.dimensions.scaledCellHeight / window.devicePixelRatio;
- this._lastRecordedViewportHeight = this._viewportElement.offsetHeight;
- var newBufferHeight = Math.round(this._currentRowHeight * this._lastRecordedBufferLength) + (this._lastRecordedViewportHeight - this._terminal.renderer.dimensions.canvasHeight);
- if (this._lastRecordedBufferHeight !== newBufferHeight) {
- this._lastRecordedBufferHeight = newBufferHeight;
- this._scrollArea.style.height = this._lastRecordedBufferHeight + 'px';
- }
- }
- var scrollTop = this._terminal.buffer.ydisp * this._currentRowHeight;
- if (this._viewportElement.scrollTop !== scrollTop) {
- this._ignoreNextScrollEvent = true;
- this._viewportElement.scrollTop = scrollTop;
- }
- this._refreshAnimationFrame = null;
- };
- Viewport.prototype.syncScrollArea = function () {
- if (this._lastRecordedBufferLength !== this._terminal.buffer.lines.length) {
- this._lastRecordedBufferLength = this._terminal.buffer.lines.length;
- this._refresh();
- return;
- }
- if (this._lastRecordedViewportHeight !== this._terminal.renderer.dimensions.canvasHeight) {
- this._refresh();
- return;
- }
- var newScrollTop = this._terminal.buffer.ydisp * this._currentRowHeight;
- if (this._lastScrollTop !== newScrollTop) {
- this._refresh();
- return;
- }
- if (this._lastScrollTop !== this._viewportElement.scrollTop) {
- this._refresh();
- return;
- }
- if (this._terminal.renderer.dimensions.scaledCellHeight / window.devicePixelRatio !== this._currentRowHeight) {
- this._refresh();
- return;
- }
- };
- Viewport.prototype._onScroll = function (ev) {
- this._lastScrollTop = this._viewportElement.scrollTop;
- if (!this._viewportElement.offsetParent) {
- return;
- }
- if (this._ignoreNextScrollEvent) {
- this._ignoreNextScrollEvent = false;
- return;
- }
- var newRow = Math.round(this._lastScrollTop / this._currentRowHeight);
- var diff = newRow - this._terminal.buffer.ydisp;
- this._terminal.scrollLines(diff, true);
- };
- Viewport.prototype.onWheel = function (ev) {
- var amount = this._getPixelsScrolled(ev);
- if (amount === 0) {
- return;
- }
- this._viewportElement.scrollTop += amount;
- ev.preventDefault();
- };
- Viewport.prototype._getPixelsScrolled = function (ev) {
- if (ev.deltaY === 0) {
- return 0;
- }
- var amount = ev.deltaY;
- if (ev.deltaMode === WheelEvent.DOM_DELTA_LINE) {
- amount *= this._currentRowHeight;
- }
- else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {
- amount *= this._currentRowHeight * this._terminal.rows;
- }
- return amount;
- };
- Viewport.prototype.getLinesScrolled = function (ev) {
- if (ev.deltaY === 0) {
- return 0;
- }
- var amount = ev.deltaY;
- if (ev.deltaMode === WheelEvent.DOM_DELTA_PIXEL) {
- amount /= this._currentRowHeight + 0.0;
- this._wheelPartialScroll += amount;
- amount = Math.floor(Math.abs(this._wheelPartialScroll)) * (this._wheelPartialScroll > 0 ? 1 : -1);
- this._wheelPartialScroll %= 1;
- }
- else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {
- amount *= this._terminal.rows;
- }
- return amount;
- };
- Viewport.prototype.onTouchStart = function (ev) {
- this._lastTouchY = ev.touches[0].pageY;
- };
- Viewport.prototype.onTouchMove = function (ev) {
- var deltaY = this._lastTouchY - ev.touches[0].pageY;
- this._lastTouchY = ev.touches[0].pageY;
- if (deltaY === 0) {
- return;
- }
- this._viewportElement.scrollTop += deltaY;
- ev.preventDefault();
- };
- return Viewport;
-}(Lifecycle_1.Disposable));
-exports.Viewport = Viewport;
-
-},{"./common/Lifecycle":26,"./ui/Lifecycle":55}],21:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var Buffer_1 = require("./Buffer");
-function applyWindowsMode(terminal) {
- return terminal.onLineFeed(function () {
- var line = terminal.buffer.lines.get(terminal.buffer.ybase + terminal.buffer.y - 1);
- var lastChar = line.get(terminal.cols - 1);
- if (lastChar[Buffer_1.CHAR_DATA_CODE_INDEX] !== Buffer_1.NULL_CELL_CODE && lastChar[Buffer_1.CHAR_DATA_CODE_INDEX] !== Buffer_1.WHITESPACE_CELL_CODE) {
- var nextLine = terminal.buffer.lines.get(terminal.buffer.ybase + terminal.buffer.y);
- nextLine.isWrapped = true;
- }
- });
-}
-exports.applyWindowsMode = applyWindowsMode;
-
-},{"./Buffer":2}],22:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var EventEmitter2_1 = require("./EventEmitter2");
-var CircularList = (function () {
- function CircularList(_maxLength) {
- this._maxLength = _maxLength;
- this.onDeleteEmitter = new EventEmitter2_1.EventEmitter2();
- this.onInsertEmitter = new EventEmitter2_1.EventEmitter2();
- this.onTrimEmitter = new EventEmitter2_1.EventEmitter2();
- this._array = new Array(this._maxLength);
- this._startIndex = 0;
- this._length = 0;
- }
- Object.defineProperty(CircularList.prototype, "onDelete", {
- get: function () { return this.onDeleteEmitter.event; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(CircularList.prototype, "onInsert", {
- get: function () { return this.onInsertEmitter.event; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(CircularList.prototype, "onTrim", {
- get: function () { return this.onTrimEmitter.event; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(CircularList.prototype, "maxLength", {
- get: function () {
- return this._maxLength;
- },
- set: function (newMaxLength) {
- if (this._maxLength === newMaxLength) {
- return;
- }
- var newArray = new Array(newMaxLength);
- for (var i = 0; i < Math.min(newMaxLength, this.length); i++) {
- newArray[i] = this._array[this._getCyclicIndex(i)];
- }
- this._array = newArray;
- this._maxLength = newMaxLength;
- this._startIndex = 0;
- },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(CircularList.prototype, "length", {
- get: function () {
- return this._length;
- },
- set: function (newLength) {
- if (newLength > this._length) {
- for (var i = this._length; i < newLength; i++) {
- this._array[i] = undefined;
- }
- }
- this._length = newLength;
- },
- enumerable: true,
- configurable: true
- });
- CircularList.prototype.get = function (index) {
- return this._array[this._getCyclicIndex(index)];
- };
- CircularList.prototype.set = function (index, value) {
- this._array[this._getCyclicIndex(index)] = value;
- };
- CircularList.prototype.push = function (value) {
- this._array[this._getCyclicIndex(this._length)] = value;
- if (this._length === this._maxLength) {
- this._startIndex = ++this._startIndex % this._maxLength;
- this.onTrimEmitter.fire(1);
- }
- else {
- this._length++;
- }
- };
- CircularList.prototype.recycle = function () {
- if (this._length !== this._maxLength) {
- throw new Error('Can only recycle when the buffer is full');
- }
- this._startIndex = ++this._startIndex % this._maxLength;
- this.onTrimEmitter.fire(1);
- return this._array[this._getCyclicIndex(this._length - 1)];
- };
- Object.defineProperty(CircularList.prototype, "isFull", {
- get: function () {
- return this._length === this._maxLength;
- },
- enumerable: true,
- configurable: true
- });
- CircularList.prototype.pop = function () {
- return this._array[this._getCyclicIndex(this._length-- - 1)];
- };
- CircularList.prototype.splice = function (start, deleteCount) {
- var items = [];
- for (var _i = 2; _i < arguments.length; _i++) {
- items[_i - 2] = arguments[_i];
- }
- if (deleteCount) {
- for (var i = start; i < this._length - deleteCount; i++) {
- this._array[this._getCyclicIndex(i)] = this._array[this._getCyclicIndex(i + deleteCount)];
- }
- this._length -= deleteCount;
- }
- for (var i = this._length - 1; i >= start; i--) {
- this._array[this._getCyclicIndex(i + items.length)] = this._array[this._getCyclicIndex(i)];
- }
- for (var i = 0; i < items.length; i++) {
- this._array[this._getCyclicIndex(start + i)] = items[i];
- }
- if (this._length + items.length > this._maxLength) {
- var countToTrim = (this._length + items.length) - this._maxLength;
- this._startIndex += countToTrim;
- this._length = this._maxLength;
- this.onTrimEmitter.fire(countToTrim);
- }
- else {
- this._length += items.length;
- }
- };
- CircularList.prototype.trimStart = function (count) {
- if (count > this._length) {
- count = this._length;
- }
- this._startIndex += count;
- this._length -= count;
- this.onTrimEmitter.fire(count);
- };
- CircularList.prototype.shiftElements = function (start, count, offset) {
- if (count <= 0) {
- return;
- }
- if (start < 0 || start >= this._length) {
- throw new Error('start argument out of range');
- }
- if (start + offset < 0) {
- throw new Error('Cannot shift elements in list beyond index 0');
- }
- if (offset > 0) {
- for (var i = count - 1; i >= 0; i--) {
- this.set(start + i + offset, this.get(start + i));
- }
- var expandListBy = (start + count + offset) - this._length;
- if (expandListBy > 0) {
- this._length += expandListBy;
- while (this._length > this._maxLength) {
- this._length--;
- this._startIndex++;
- this.onTrimEmitter.fire(1);
- }
- }
- }
- else {
- for (var i = 0; i < count; i++) {
- this.set(start + i + offset, this.get(start + i));
- }
- }
- };
- CircularList.prototype._getCyclicIndex = function (index) {
- return (this._startIndex + index) % this._maxLength;
- };
- return CircularList;
-}());
-exports.CircularList = CircularList;
-
-},{"./EventEmitter2":25}],23:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-function clone(val, depth) {
- if (depth === void 0) { depth = 5; }
- if (typeof val !== 'object') {
- return val;
- }
- if (val === null) {
- return null;
- }
- var clonedObject = Array.isArray(val) ? [] : {};
- for (var key in val) {
- clonedObject[key] = depth <= 1 ? val[key] : clone(val[key], depth - 1);
- }
- return clonedObject;
-}
-exports.clone = clone;
-
-},{}],24:[function(require,module,exports){
-"use strict";
-var __extends = (this && this.__extends) || (function () {
- var extendStatics = function (d, b) {
- extendStatics = Object.setPrototypeOf ||
- ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
- function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
- return extendStatics(d, b);
- };
- return function (d, b) {
- extendStatics(d, b);
- function __() { this.constructor = d; }
- d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
- };
-})();
-Object.defineProperty(exports, "__esModule", { value: true });
-var Lifecycle_1 = require("./Lifecycle");
-var EventEmitter = (function (_super) {
- __extends(EventEmitter, _super);
- function EventEmitter() {
- var _this = _super.call(this) || this;
- _this._events = _this._events || {};
- return _this;
- }
- EventEmitter.prototype.on = function (type, listener) {
- this._events[type] = this._events[type] || [];
- this._events[type].push(listener);
- };
- EventEmitter.prototype.addDisposableListener = function (type, handler) {
- var _this = this;
- this.on(type, handler);
- var disposed = false;
- return {
- dispose: function () {
- if (disposed) {
- return;
- }
- _this.off(type, handler);
- disposed = true;
- }
- };
- };
- EventEmitter.prototype.off = function (type, listener) {
- if (!this._events[type]) {
- return;
- }
- var obj = this._events[type];
- var i = obj.length;
- while (i--) {
- if (obj[i] === listener) {
- obj.splice(i, 1);
- return;
- }
- }
- };
- EventEmitter.prototype.removeAllListeners = function (type) {
- if (this._events[type]) {
- delete this._events[type];
- }
- };
- EventEmitter.prototype.emit = function (type) {
- var args = [];
- for (var _i = 1; _i < arguments.length; _i++) {
- args[_i - 1] = arguments[_i];
- }
- if (!this._events[type]) {
- return;
- }
- var obj = this._events[type];
- for (var i = 0; i < obj.length; i++) {
- obj[i].apply(this, args);
- }
- };
- EventEmitter.prototype.emitMayRemoveListeners = function (type) {
- var args = [];
- for (var _i = 1; _i < arguments.length; _i++) {
- args[_i - 1] = arguments[_i];
- }
- if (!this._events[type]) {
- return;
- }
- var obj = this._events[type];
- var length = obj.length;
- for (var i = 0; i < obj.length; i++) {
- obj[i].apply(this, args);
- i -= length - obj.length;
- length = obj.length;
- }
- };
- EventEmitter.prototype.listeners = function (type) {
- return this._events[type] || [];
- };
- EventEmitter.prototype.dispose = function () {
- _super.prototype.dispose.call(this);
- this._events = {};
- };
- return EventEmitter;
-}(Lifecycle_1.Disposable));
-exports.EventEmitter = EventEmitter;
-
-},{"./Lifecycle":26}],25:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var EventEmitter2 = (function () {
- function EventEmitter2() {
- this._listeners = [];
- }
- Object.defineProperty(EventEmitter2.prototype, "event", {
- get: function () {
- var _this = this;
- if (!this._event) {
- this._event = function (listener) {
- _this._listeners.push(listener);
- var disposable = {
- dispose: function () {
- for (var i = 0; i < _this._listeners.length; i++) {
- if (_this._listeners[i] === listener) {
- _this._listeners.splice(i, 1);
- return;
- }
- }
- }
- };
- return disposable;
- };
- }
- return this._event;
- },
- enumerable: true,
- configurable: true
- });
- EventEmitter2.prototype.fire = function (data) {
- var queue = [];
- for (var i = 0; i < this._listeners.length; i++) {
- queue.push(this._listeners[i]);
- }
- for (var i = 0; i < queue.length; i++) {
- queue[i].call(undefined, data);
- }
- };
- return EventEmitter2;
-}());
-exports.EventEmitter2 = EventEmitter2;
-
-},{}],26:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var Disposable = (function () {
- function Disposable() {
- this._disposables = [];
- this._isDisposed = false;
- }
- Disposable.prototype.dispose = function () {
- this._isDisposed = true;
- this._disposables.forEach(function (d) { return d.dispose(); });
- this._disposables.length = 0;
- };
- Disposable.prototype.register = function (d) {
- this._disposables.push(d);
- };
- Disposable.prototype.unregister = function (d) {
- var index = this._disposables.indexOf(d);
- if (index !== -1) {
- this._disposables.splice(index, 1);
- }
- };
- return Disposable;
-}());
-exports.Disposable = Disposable;
-
-},{}],27:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var isNode = (typeof navigator === 'undefined') ? true : false;
-var userAgent = (isNode) ? 'node' : navigator.userAgent;
-var platform = (isNode) ? 'node' : navigator.platform;
-exports.isFirefox = !!~userAgent.indexOf('Firefox');
-exports.isSafari = /^((?!chrome|android).)*safari/i.test(userAgent);
-exports.isMSIE = !!~userAgent.indexOf('MSIE') || !!~userAgent.indexOf('Trident');
-exports.isMac = contains(['Macintosh', 'MacIntel', 'MacPPC', 'Mac68K'], platform);
-exports.isIpad = platform === 'iPad';
-exports.isIphone = platform === 'iPhone';
-exports.isMSWindows = contains(['Windows', 'Win16', 'Win32', 'WinCE'], platform);
-exports.isLinux = platform.indexOf('Linux') >= 0;
-function contains(arr, el) {
- return arr.indexOf(el) >= 0;
-}
-
-},{}],28:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-function fill(array, value, start, end) {
- if (array.fill) {
- return array.fill(value, start, end);
- }
- return fillFallback(array, value, start, end);
-}
-exports.fill = fill;
-function fillFallback(array, value, start, end) {
- if (start === void 0) { start = 0; }
- if (end === void 0) { end = array.length; }
- if (start >= array.length) {
- return array;
- }
- start = (array.length + start) % array.length;
- if (end >= array.length) {
- end = array.length;
- }
- else {
- end = (array.length + end) % array.length;
- }
- for (var i = start; i < end; ++i) {
- array[i] = value;
- }
- return array;
-}
-exports.fillFallback = fillFallback;
-function concat(a, b) {
- var result = new a.constructor(a.length + b.length);
- result.set(a);
- result.set(b, a.length);
- return result;
-}
-exports.concat = concat;
-
-},{}],29:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var C0;
-(function (C0) {
- C0.NUL = '\x00';
- C0.SOH = '\x01';
- C0.STX = '\x02';
- C0.ETX = '\x03';
- C0.EOT = '\x04';
- C0.ENQ = '\x05';
- C0.ACK = '\x06';
- C0.BEL = '\x07';
- C0.BS = '\x08';
- C0.HT = '\x09';
- C0.LF = '\x0a';
- C0.VT = '\x0b';
- C0.FF = '\x0c';
- C0.CR = '\x0d';
- C0.SO = '\x0e';
- C0.SI = '\x0f';
- C0.DLE = '\x10';
- C0.DC1 = '\x11';
- C0.DC2 = '\x12';
- C0.DC3 = '\x13';
- C0.DC4 = '\x14';
- C0.NAK = '\x15';
- C0.SYN = '\x16';
- C0.ETB = '\x17';
- C0.CAN = '\x18';
- C0.EM = '\x19';
- C0.SUB = '\x1a';
- C0.ESC = '\x1b';
- C0.FS = '\x1c';
- C0.GS = '\x1d';
- C0.RS = '\x1e';
- C0.US = '\x1f';
- C0.SP = '\x20';
- C0.DEL = '\x7f';
-})(C0 = exports.C0 || (exports.C0 = {}));
-var C1;
-(function (C1) {
- C1.PAD = '\x80';
- C1.HOP = '\x81';
- C1.BPH = '\x82';
- C1.NBH = '\x83';
- C1.IND = '\x84';
- C1.NEL = '\x85';
- C1.SSA = '\x86';
- C1.ESA = '\x87';
- C1.HTS = '\x88';
- C1.HTJ = '\x89';
- C1.VTS = '\x8a';
- C1.PLD = '\x8b';
- C1.PLU = '\x8c';
- C1.RI = '\x8d';
- C1.SS2 = '\x8e';
- C1.SS3 = '\x8f';
- C1.DCS = '\x90';
- C1.PU1 = '\x91';
- C1.PU2 = '\x92';
- C1.STS = '\x93';
- C1.CCH = '\x94';
- C1.MW = '\x95';
- C1.SPA = '\x96';
- C1.EPA = '\x97';
- C1.SOS = '\x98';
- C1.SGCI = '\x99';
- C1.SCI = '\x9a';
- C1.CSI = '\x9b';
- C1.ST = '\x9c';
- C1.OSC = '\x9d';
- C1.PM = '\x9e';
- C1.APC = '\x9f';
-})(C1 = exports.C1 || (exports.C1 = {}));
-
-},{}],30:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.CHARSETS = {};
-exports.DEFAULT_CHARSET = exports.CHARSETS['B'];
-exports.CHARSETS['0'] = {
- '`': '\u25c6',
- 'a': '\u2592',
- 'b': '\u0009',
- 'c': '\u000c',
- 'd': '\u000d',
- 'e': '\u000a',
- 'f': '\u00b0',
- 'g': '\u00b1',
- 'h': '\u2424',
- 'i': '\u000b',
- 'j': '\u2518',
- 'k': '\u2510',
- 'l': '\u250c',
- 'm': '\u2514',
- 'n': '\u253c',
- 'o': '\u23ba',
- 'p': '\u23bb',
- 'q': '\u2500',
- 'r': '\u23bc',
- 's': '\u23bd',
- 't': '\u251c',
- 'u': '\u2524',
- 'v': '\u2534',
- 'w': '\u252c',
- 'x': '\u2502',
- 'y': '\u2264',
- 'z': '\u2265',
- '{': '\u03c0',
- '|': '\u2260',
- '}': '\u00a3',
- '~': '\u00b7'
-};
-exports.CHARSETS['A'] = {
- '#': '£'
-};
-exports.CHARSETS['B'] = null;
-exports.CHARSETS['4'] = {
- '#': '£',
- '@': '¾',
- '[': 'ij',
- '\\': '½',
- ']': '|',
- '{': '¨',
- '|': 'f',
- '}': '¼',
- '~': '´'
-};
-exports.CHARSETS['C'] =
- exports.CHARSETS['5'] = {
- '[': 'Ä',
- '\\': 'Ö',
- ']': 'Å',
- '^': 'Ü',
- '`': 'é',
- '{': 'ä',
- '|': 'ö',
- '}': 'å',
- '~': 'ü'
- };
-exports.CHARSETS['R'] = {
- '#': '£',
- '@': 'à',
- '[': '°',
- '\\': 'ç',
- ']': '§',
- '{': 'é',
- '|': 'ù',
- '}': 'è',
- '~': '¨'
-};
-exports.CHARSETS['Q'] = {
- '@': 'à',
- '[': 'â',
- '\\': 'ç',
- ']': 'ê',
- '^': 'î',
- '`': 'ô',
- '{': 'é',
- '|': 'ù',
- '}': 'è',
- '~': 'û'
-};
-exports.CHARSETS['K'] = {
- '@': '§',
- '[': 'Ä',
- '\\': 'Ö',
- ']': 'Ü',
- '{': 'ä',
- '|': 'ö',
- '}': 'ü',
- '~': 'ß'
-};
-exports.CHARSETS['Y'] = {
- '#': '£',
- '@': '§',
- '[': '°',
- '\\': 'ç',
- ']': 'é',
- '`': 'ù',
- '{': 'à',
- '|': 'ò',
- '}': 'è',
- '~': 'ì'
-};
-exports.CHARSETS['E'] =
- exports.CHARSETS['6'] = {
- '@': 'Ä',
- '[': 'Æ',
- '\\': 'Ø',
- ']': 'Å',
- '^': 'Ü',
- '`': 'ä',
- '{': 'æ',
- '|': 'ø',
- '}': 'å',
- '~': 'ü'
- };
-exports.CHARSETS['Z'] = {
- '#': '£',
- '@': '§',
- '[': '¡',
- '\\': 'Ñ',
- ']': '¿',
- '{': '°',
- '|': 'ñ',
- '}': 'ç'
-};
-exports.CHARSETS['H'] =
- exports.CHARSETS['7'] = {
- '@': 'É',
- '[': 'Ä',
- '\\': 'Ö',
- ']': 'Å',
- '^': 'Ü',
- '`': 'é',
- '{': 'ä',
- '|': 'ö',
- '}': 'å',
- '~': 'ü'
- };
-exports.CHARSETS['='] = {
- '#': 'ù',
- '@': 'à',
- '[': 'é',
- '\\': 'ç',
- ']': 'ê',
- '^': 'î',
- '_': 'è',
- '`': 'ô',
- '{': 'ä',
- '|': 'ö',
- '}': 'ü',
- '~': 'û'
-};
-
-},{}],31:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var EscapeSequences_1 = require("../../common/data/EscapeSequences");
-var KEYCODE_KEY_MAPPINGS = {
- 48: ['0', ')'],
- 49: ['1', '!'],
- 50: ['2', '@'],
- 51: ['3', '#'],
- 52: ['4', '$'],
- 53: ['5', '%'],
- 54: ['6', '^'],
- 55: ['7', '&'],
- 56: ['8', '*'],
- 57: ['9', '('],
- 186: [';', ':'],
- 187: ['=', '+'],
- 188: [',', '<'],
- 189: ['-', '_'],
- 190: ['.', '>'],
- 191: ['/', '?'],
- 192: ['`', '~'],
- 219: ['[', '{'],
- 220: ['\\', '|'],
- 221: [']', '}'],
- 222: ['\'', '"']
-};
-function evaluateKeyboardEvent(ev, applicationCursorMode, isMac, macOptionIsMeta) {
- var result = {
- type: 0,
- cancel: false,
- key: undefined
- };
- var modifiers = (ev.shiftKey ? 1 : 0) | (ev.altKey ? 2 : 0) | (ev.ctrlKey ? 4 : 0) | (ev.metaKey ? 8 : 0);
- switch (ev.keyCode) {
- case 0:
- if (ev.key === 'UIKeyInputUpArrow') {
- if (applicationCursorMode) {
- result.key = EscapeSequences_1.C0.ESC + 'OA';
- }
- else {
- result.key = EscapeSequences_1.C0.ESC + '[A';
- }
- }
- else if (ev.key === 'UIKeyInputLeftArrow') {
- if (applicationCursorMode) {
- result.key = EscapeSequences_1.C0.ESC + 'OD';
- }
- else {
- result.key = EscapeSequences_1.C0.ESC + '[D';
- }
- }
- else if (ev.key === 'UIKeyInputRightArrow') {
- if (applicationCursorMode) {
- result.key = EscapeSequences_1.C0.ESC + 'OC';
- }
- else {
- result.key = EscapeSequences_1.C0.ESC + '[C';
- }
- }
- else if (ev.key === 'UIKeyInputDownArrow') {
- if (applicationCursorMode) {
- result.key = EscapeSequences_1.C0.ESC + 'OB';
- }
- else {
- result.key = EscapeSequences_1.C0.ESC + '[B';
- }
- }
- break;
- case 8:
- if (ev.shiftKey) {
- result.key = EscapeSequences_1.C0.BS;
- break;
- }
- else if (ev.altKey) {
- result.key = EscapeSequences_1.C0.ESC + EscapeSequences_1.C0.DEL;
- break;
- }
- result.key = EscapeSequences_1.C0.DEL;
- break;
- case 9:
- if (ev.shiftKey) {
- result.key = EscapeSequences_1.C0.ESC + '[Z';
- break;
- }
- result.key = EscapeSequences_1.C0.HT;
- result.cancel = true;
- break;
- case 13:
- result.key = EscapeSequences_1.C0.CR;
- result.cancel = true;
- break;
- case 27:
- result.key = EscapeSequences_1.C0.ESC;
- result.cancel = true;
- break;
- case 37:
- if (modifiers) {
- result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'D';
- if (result.key === EscapeSequences_1.C0.ESC + '[1;3D') {
- result.key = isMac ? EscapeSequences_1.C0.ESC + 'b' : EscapeSequences_1.C0.ESC + '[1;5D';
- }
- }
- else if (applicationCursorMode) {
- result.key = EscapeSequences_1.C0.ESC + 'OD';
- }
- else {
- result.key = EscapeSequences_1.C0.ESC + '[D';
- }
- break;
- case 39:
- if (modifiers) {
- result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'C';
- if (result.key === EscapeSequences_1.C0.ESC + '[1;3C') {
- result.key = isMac ? EscapeSequences_1.C0.ESC + 'f' : EscapeSequences_1.C0.ESC + '[1;5C';
- }
- }
- else if (applicationCursorMode) {
- result.key = EscapeSequences_1.C0.ESC + 'OC';
- }
- else {
- result.key = EscapeSequences_1.C0.ESC + '[C';
- }
- break;
- case 38:
- if (modifiers) {
- result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'A';
- if (result.key === EscapeSequences_1.C0.ESC + '[1;3A') {
- result.key = EscapeSequences_1.C0.ESC + '[1;5A';
- }
- }
- else if (applicationCursorMode) {
- result.key = EscapeSequences_1.C0.ESC + 'OA';
- }
- else {
- result.key = EscapeSequences_1.C0.ESC + '[A';
- }
- break;
- case 40:
- if (modifiers) {
- result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'B';
- if (result.key === EscapeSequences_1.C0.ESC + '[1;3B') {
- result.key = EscapeSequences_1.C0.ESC + '[1;5B';
- }
- }
- else if (applicationCursorMode) {
- result.key = EscapeSequences_1.C0.ESC + 'OB';
- }
- else {
- result.key = EscapeSequences_1.C0.ESC + '[B';
- }
- break;
- case 45:
- if (!ev.shiftKey && !ev.ctrlKey) {
- result.key = EscapeSequences_1.C0.ESC + '[2~';
- }
- break;
- case 46:
- if (modifiers) {
- result.key = EscapeSequences_1.C0.ESC + '[3;' + (modifiers + 1) + '~';
- }
- else {
- result.key = EscapeSequences_1.C0.ESC + '[3~';
- }
- break;
- case 36:
- if (modifiers) {
- result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'H';
- }
- else if (applicationCursorMode) {
- result.key = EscapeSequences_1.C0.ESC + 'OH';
- }
- else {
- result.key = EscapeSequences_1.C0.ESC + '[H';
- }
- break;
- case 35:
- if (modifiers) {
- result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'F';
- }
- else if (applicationCursorMode) {
- result.key = EscapeSequences_1.C0.ESC + 'OF';
- }
- else {
- result.key = EscapeSequences_1.C0.ESC + '[F';
- }
- break;
- case 33:
- if (ev.shiftKey) {
- result.type = 2;
- }
- else {
- result.key = EscapeSequences_1.C0.ESC + '[5~';
- }
- break;
- case 34:
- if (ev.shiftKey) {
- result.type = 3;
- }
- else {
- result.key = EscapeSequences_1.C0.ESC + '[6~';
- }
- break;
- case 112:
- if (modifiers) {
- result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'P';
- }
- else {
- result.key = EscapeSequences_1.C0.ESC + 'OP';
- }
- break;
- case 113:
- if (modifiers) {
- result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'Q';
- }
- else {
- result.key = EscapeSequences_1.C0.ESC + 'OQ';
- }
- break;
- case 114:
- if (modifiers) {
- result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'R';
- }
- else {
- result.key = EscapeSequences_1.C0.ESC + 'OR';
- }
- break;
- case 115:
- if (modifiers) {
- result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'S';
- }
- else {
- result.key = EscapeSequences_1.C0.ESC + 'OS';
- }
- break;
- case 116:
- if (modifiers) {
- result.key = EscapeSequences_1.C0.ESC + '[15;' + (modifiers + 1) + '~';
- }
- else {
- result.key = EscapeSequences_1.C0.ESC + '[15~';
- }
- break;
- case 117:
- if (modifiers) {
- result.key = EscapeSequences_1.C0.ESC + '[17;' + (modifiers + 1) + '~';
- }
- else {
- result.key = EscapeSequences_1.C0.ESC + '[17~';
- }
- break;
- case 118:
- if (modifiers) {
- result.key = EscapeSequences_1.C0.ESC + '[18;' + (modifiers + 1) + '~';
- }
- else {
- result.key = EscapeSequences_1.C0.ESC + '[18~';
- }
- break;
- case 119:
- if (modifiers) {
- result.key = EscapeSequences_1.C0.ESC + '[19;' + (modifiers + 1) + '~';
- }
- else {
- result.key = EscapeSequences_1.C0.ESC + '[19~';
- }
- break;
- case 120:
- if (modifiers) {
- result.key = EscapeSequences_1.C0.ESC + '[20;' + (modifiers + 1) + '~';
- }
- else {
- result.key = EscapeSequences_1.C0.ESC + '[20~';
- }
- break;
- case 121:
- if (modifiers) {
- result.key = EscapeSequences_1.C0.ESC + '[21;' + (modifiers + 1) + '~';
- }
- else {
- result.key = EscapeSequences_1.C0.ESC + '[21~';
- }
- break;
- case 122:
- if (modifiers) {
- result.key = EscapeSequences_1.C0.ESC + '[23;' + (modifiers + 1) + '~';
- }
- else {
- result.key = EscapeSequences_1.C0.ESC + '[23~';
- }
- break;
- case 123:
- if (modifiers) {
- result.key = EscapeSequences_1.C0.ESC + '[24;' + (modifiers + 1) + '~';
- }
- else {
- result.key = EscapeSequences_1.C0.ESC + '[24~';
- }
- break;
- default:
- if (ev.ctrlKey && !ev.shiftKey && !ev.altKey && !ev.metaKey) {
- if (ev.keyCode >= 65 && ev.keyCode <= 90) {
- result.key = String.fromCharCode(ev.keyCode - 64);
- }
- else if (ev.keyCode === 32) {
- result.key = String.fromCharCode(0);
- }
- else if (ev.keyCode >= 51 && ev.keyCode <= 55) {
- result.key = String.fromCharCode(ev.keyCode - 51 + 27);
- }
- else if (ev.keyCode === 56) {
- result.key = String.fromCharCode(127);
- }
- else if (ev.keyCode === 219) {
- result.key = String.fromCharCode(27);
- }
- else if (ev.keyCode === 220) {
- result.key = String.fromCharCode(28);
- }
- else if (ev.keyCode === 221) {
- result.key = String.fromCharCode(29);
- }
- }
- else if ((!isMac || macOptionIsMeta) && ev.altKey && !ev.metaKey) {
- var keyMapping = KEYCODE_KEY_MAPPINGS[ev.keyCode];
- var key = keyMapping && keyMapping[!ev.shiftKey ? 0 : 1];
- if (key) {
- result.key = EscapeSequences_1.C0.ESC + key;
- }
- else if (ev.keyCode >= 65 && ev.keyCode <= 90) {
- var keyCode = ev.ctrlKey ? ev.keyCode - 64 : ev.keyCode + 32;
- result.key = EscapeSequences_1.C0.ESC + String.fromCharCode(keyCode);
- }
- }
- else if (isMac && !ev.altKey && !ev.ctrlKey && ev.metaKey) {
- if (ev.keyCode === 65) {
- result.type = 1;
- }
- }
- else if (ev.key && !ev.ctrlKey && !ev.altKey && !ev.metaKey && ev.keyCode >= 48 && ev.key.length === 1) {
- result.key = ev.key;
- }
- else if (ev.key && ev.ctrlKey) {
- if (ev.key === '_') {
- result.key = EscapeSequences_1.C0.US;
- }
- }
- break;
- }
- return result;
-}
-exports.evaluateKeyboardEvent = evaluateKeyboardEvent;
-
-},{"../../common/data/EscapeSequences":29}],32:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var StringToUtf32 = (function () {
- function StringToUtf32() {
- this._interim = 0;
- }
- StringToUtf32.prototype.clear = function () {
- this._interim = 0;
- };
- StringToUtf32.prototype.decode = function (input, target) {
- var length = input.length;
- if (!length) {
- return 0;
- }
- var size = 0;
- var startPos = 0;
- if (this._interim) {
- var second = input.charCodeAt(startPos++);
- if (0xDC00 <= second && second <= 0xDFFF) {
- target[size++] = (this._interim - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;
- }
- else {
- target[size++] = this._interim;
- target[size++] = second;
- }
- this._interim = 0;
- }
- for (var i = startPos; i < length; ++i) {
- var code = input.charCodeAt(i);
- if (0xD800 <= code && code <= 0xDBFF) {
- if (++i >= length) {
- this._interim = code;
- return size;
- }
- var second = input.charCodeAt(i);
- if (0xDC00 <= second && second <= 0xDFFF) {
- target[size++] = (code - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;
- }
- else {
- target[size++] = code;
- target[size++] = second;
- }
- continue;
- }
- target[size++] = code;
- }
- return size;
- };
- return StringToUtf32;
-}());
-exports.StringToUtf32 = StringToUtf32;
-function stringFromCodePoint(codePoint) {
- if (codePoint > 0xFFFF) {
- codePoint -= 0x10000;
- return String.fromCharCode((codePoint >> 10) + 0xD800) + String.fromCharCode((codePoint % 0x400) + 0xDC00);
- }
- return String.fromCharCode(codePoint);
-}
-exports.stringFromCodePoint = stringFromCodePoint;
-function utf32ToString(data, start, end) {
- if (start === void 0) { start = 0; }
- if (end === void 0) { end = data.length; }
- var result = '';
- for (var i = start; i < end; ++i) {
- var codepoint = data[i];
- if (codepoint > 0xFFFF) {
- codepoint -= 0x10000;
- result += String.fromCharCode((codepoint >> 10) + 0xD800) + String.fromCharCode((codepoint % 0x400) + 0xDC00);
- }
- else {
- result += String.fromCharCode(codepoint);
- }
- }
- return result;
-}
-exports.utf32ToString = utf32ToString;
-
-},{}],33:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var EscapeSequences_1 = require("../common/data/EscapeSequences");
-var AltClickHandler = (function () {
- function AltClickHandler(_mouseEvent, _terminal) {
- var _a;
- this._mouseEvent = _mouseEvent;
- this._terminal = _terminal;
- this._lines = this._terminal.buffer.lines;
- this._startCol = this._terminal.buffer.x;
- this._startRow = this._terminal.buffer.y;
- var coordinates = this._terminal.mouseHelper.getCoords(this._mouseEvent, this._terminal.element, this._terminal.charMeasure, this._terminal.cols, this._terminal.rows, false);
- if (coordinates) {
- _a = coordinates.map(function (coordinate) {
- return coordinate - 1;
- }), this._endCol = _a[0], this._endRow = _a[1];
- }
- }
- AltClickHandler.prototype.move = function () {
- if (this._mouseEvent.altKey && this._endCol !== undefined && this._endRow !== undefined) {
- this._terminal.handler(this._arrowSequences());
- }
- };
- AltClickHandler.prototype._arrowSequences = function () {
- if (!this._terminal.buffer.hasScrollback) {
- return this._resetStartingRow() + this._moveToRequestedRow() + this._moveToRequestedCol();
- }
- return this._moveHorizontallyOnly();
- };
- AltClickHandler.prototype._resetStartingRow = function () {
- if (this._moveToRequestedRow().length === 0) {
- return '';
- }
- return repeat(this._bufferLine(this._startCol, this._startRow, this._startCol, this._startRow - this._wrappedRowsForRow(this._startRow), false).length, this._sequence("D"));
- };
- AltClickHandler.prototype._moveToRequestedRow = function () {
- var startRow = this._startRow - this._wrappedRowsForRow(this._startRow);
- var endRow = this._endRow - this._wrappedRowsForRow(this._endRow);
- var rowsToMove = Math.abs(startRow - endRow) - this._wrappedRowsCount();
- return repeat(rowsToMove, this._sequence(this._verticalDirection()));
- };
- AltClickHandler.prototype._moveToRequestedCol = function () {
- var startRow;
- if (this._moveToRequestedRow().length > 0) {
- startRow = this._endRow - this._wrappedRowsForRow(this._endRow);
- }
- else {
- startRow = this._startRow;
- }
- var endRow = this._endRow;
- var direction = this._horizontalDirection();
- return repeat(this._bufferLine(this._startCol, startRow, this._endCol, endRow, direction === "C").length, this._sequence(direction));
- };
- AltClickHandler.prototype._moveHorizontallyOnly = function () {
- var direction = this._horizontalDirection();
- return repeat(Math.abs(this._startCol - this._endCol), this._sequence(direction));
- };
- AltClickHandler.prototype._wrappedRowsCount = function () {
- var wrappedRows = 0;
- var startRow = this._startRow - this._wrappedRowsForRow(this._startRow);
- var endRow = this._endRow - this._wrappedRowsForRow(this._endRow);
- for (var i = 0; i < Math.abs(startRow - endRow); i++) {
- var direction = this._verticalDirection() === "A" ? -1 : 1;
- if (this._lines.get(startRow + (direction * i)).isWrapped) {
- wrappedRows++;
- }
- }
- return wrappedRows;
- };
- AltClickHandler.prototype._wrappedRowsForRow = function (currentRow) {
- var rowCount = 0;
- var lineWraps = this._lines.get(currentRow).isWrapped;
- while (lineWraps && currentRow >= 0 && currentRow < this._terminal.rows) {
- rowCount++;
- currentRow--;
- lineWraps = this._lines.get(currentRow).isWrapped;
- }
- return rowCount;
- };
- AltClickHandler.prototype._horizontalDirection = function () {
- var startRow;
- if (this._moveToRequestedRow().length > 0) {
- startRow = this._endRow - this._wrappedRowsForRow(this._endRow);
- }
- else {
- startRow = this._startRow;
- }
- if ((this._startCol < this._endCol &&
- startRow <= this._endRow) ||
- (this._startCol >= this._endCol &&
- startRow < this._endRow)) {
- return "C";
- }
- return "D";
- };
- AltClickHandler.prototype._verticalDirection = function () {
- if (this._startRow > this._endRow) {
- return "A";
- }
- return "B";
- };
- AltClickHandler.prototype._bufferLine = function (startCol, startRow, endCol, endRow, forward) {
- var currentCol = startCol;
- var currentRow = startRow;
- var bufferStr = '';
- while (currentCol !== endCol || currentRow !== endRow) {
- currentCol += forward ? 1 : -1;
- if (forward && currentCol > this._terminal.cols - 1) {
- bufferStr += this._terminal.buffer.translateBufferLineToString(currentRow, false, startCol, currentCol);
- currentCol = 0;
- startCol = 0;
- currentRow++;
- }
- else if (!forward && currentCol < 0) {
- bufferStr += this._terminal.buffer.translateBufferLineToString(currentRow, false, 0, startCol + 1);
- currentCol = this._terminal.cols - 1;
- startCol = currentCol;
- currentRow--;
- }
- }
- return bufferStr + this._terminal.buffer.translateBufferLineToString(currentRow, false, startCol, currentCol);
- };
- AltClickHandler.prototype._sequence = function (direction) {
- var mod = this._terminal.applicationCursor ? 'O' : '[';
- return EscapeSequences_1.C0.ESC + mod + direction;
- };
- return AltClickHandler;
-}());
-exports.AltClickHandler = AltClickHandler;
-function repeat(count, str) {
- count = Math.floor(count);
- var rpt = '';
- for (var i = 0; i < count; i++) {
- rpt += str;
- }
- return rpt;
-}
-
-},{"../common/data/EscapeSequences":29}],34:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var Terminal_1 = require("../Terminal");
-var Strings = require("../Strings");
-var Terminal = (function () {
- function Terminal(options) {
- this._core = new Terminal_1.Terminal(options);
- }
- Object.defineProperty(Terminal.prototype, "onCursorMove", {
- get: function () { return this._core.onCursorMove; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(Terminal.prototype, "onLineFeed", {
- get: function () { return this._core.onLineFeed; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(Terminal.prototype, "onSelectionChange", {
- get: function () { return this._core.onSelectionChange; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(Terminal.prototype, "onData", {
- get: function () { return this._core.onData; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(Terminal.prototype, "onTitleChange", {
- get: function () { return this._core.onTitleChange; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(Terminal.prototype, "onScroll", {
- get: function () { return this._core.onScroll; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(Terminal.prototype, "onKey", {
- get: function () { return this._core.onKey; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(Terminal.prototype, "onRender", {
- get: function () { return this._core.onRender; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(Terminal.prototype, "onResize", {
- get: function () { return this._core.onResize; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(Terminal.prototype, "element", {
- get: function () { return this._core.element; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(Terminal.prototype, "textarea", {
- get: function () { return this._core.textarea; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(Terminal.prototype, "rows", {
- get: function () { return this._core.rows; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(Terminal.prototype, "cols", {
- get: function () { return this._core.cols; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(Terminal.prototype, "markers", {
- get: function () { return this._core.markers; },
- enumerable: true,
- configurable: true
- });
- Terminal.prototype.blur = function () {
- this._core.blur();
- };
- Terminal.prototype.focus = function () {
- this._core.focus();
- };
- Terminal.prototype.on = function (type, listener) {
- this._core.on(type, listener);
- };
- Terminal.prototype.off = function (type, listener) {
- this._core.off(type, listener);
- };
- Terminal.prototype.emit = function (type, data) {
- this._core.emit(type, data);
- };
- Terminal.prototype.addDisposableListener = function (type, handler) {
- return this._core.addDisposableListener(type, handler);
- };
- Terminal.prototype.resize = function (columns, rows) {
- this._core.resize(columns, rows);
- };
- Terminal.prototype.writeln = function (data) {
- this._core.writeln(data);
- };
- Terminal.prototype.open = function (parent) {
- this._core.open(parent);
- };
- Terminal.prototype.attachCustomKeyEventHandler = function (customKeyEventHandler) {
- this._core.attachCustomKeyEventHandler(customKeyEventHandler);
- };
- Terminal.prototype.addCsiHandler = function (flag, callback) {
- return this._core.addCsiHandler(flag, callback);
- };
- Terminal.prototype.addOscHandler = function (ident, callback) {
- return this._core.addOscHandler(ident, callback);
- };
- Terminal.prototype.registerLinkMatcher = function (regex, handler, options) {
- return this._core.registerLinkMatcher(regex, handler, options);
- };
- Terminal.prototype.deregisterLinkMatcher = function (matcherId) {
- this._core.deregisterLinkMatcher(matcherId);
- };
- Terminal.prototype.registerCharacterJoiner = function (handler) {
- return this._core.registerCharacterJoiner(handler);
- };
- Terminal.prototype.deregisterCharacterJoiner = function (joinerId) {
- this._core.deregisterCharacterJoiner(joinerId);
- };
- Terminal.prototype.addMarker = function (cursorYOffset) {
- return this._core.addMarker(cursorYOffset);
- };
- Terminal.prototype.hasSelection = function () {
- return this._core.hasSelection();
- };
- Terminal.prototype.getSelection = function () {
- return this._core.getSelection();
- };
- Terminal.prototype.clearSelection = function () {
- this._core.clearSelection();
- };
- Terminal.prototype.selectAll = function () {
- this._core.selectAll();
- };
- Terminal.prototype.selectLines = function (start, end) {
- this._core.selectLines(start, end);
- };
- Terminal.prototype.dispose = function () {
- this._core.dispose();
- };
- Terminal.prototype.destroy = function () {
- this._core.destroy();
- };
- Terminal.prototype.scrollLines = function (amount) {
- this._core.scrollLines(amount);
- };
- Terminal.prototype.scrollPages = function (pageCount) {
- this._core.scrollPages(pageCount);
- };
- Terminal.prototype.scrollToTop = function () {
- this._core.scrollToTop();
- };
- Terminal.prototype.scrollToBottom = function () {
- this._core.scrollToBottom();
- };
- Terminal.prototype.scrollToLine = function (line) {
- this._core.scrollToLine(line);
- };
- Terminal.prototype.clear = function () {
- this._core.clear();
- };
- Terminal.prototype.write = function (data) {
- this._core.write(data);
- };
- Terminal.prototype.getOption = function (key) {
- return this._core.getOption(key);
- };
- Terminal.prototype.setOption = function (key, value) {
- this._core.setOption(key, value);
- };
- Terminal.prototype.refresh = function (start, end) {
- this._core.refresh(start, end);
- };
- Terminal.prototype.reset = function () {
- this._core.reset();
- };
- Terminal.applyAddon = function (addon) {
- addon.apply(Terminal);
- };
- Object.defineProperty(Terminal, "strings", {
- get: function () {
- return Strings;
- },
- enumerable: true,
- configurable: true
- });
- return Terminal;
-}());
-exports.Terminal = Terminal;
-
-},{"../Strings":18,"../Terminal":19}],35:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var Types_1 = require("./atlas/Types");
-var CharAtlasCache_1 = require("./atlas/CharAtlasCache");
-var BufferLine_1 = require("../BufferLine");
-var Buffer_1 = require("../Buffer");
-var CharacterJoinerRegistry_1 = require("./CharacterJoinerRegistry");
-var BaseRenderLayer = (function () {
- function BaseRenderLayer(_container, id, zIndex, _alpha, _colors) {
- this._container = _container;
- this._alpha = _alpha;
- this._colors = _colors;
- this._scaledCharWidth = 0;
- this._scaledCharHeight = 0;
- this._scaledCellWidth = 0;
- this._scaledCellHeight = 0;
- this._scaledCharLeft = 0;
- this._scaledCharTop = 0;
- this._currentGlyphIdentifier = {
- chars: '',
- code: 0,
- bg: 0,
- fg: 0,
- bold: false,
- dim: false,
- italic: false
- };
- this._canvas = document.createElement('canvas');
- this._canvas.classList.add("xterm-" + id + "-layer");
- this._canvas.style.zIndex = zIndex.toString();
- this._initCanvas();
- this._container.appendChild(this._canvas);
- }
- BaseRenderLayer.prototype.dispose = function () {
- this._container.removeChild(this._canvas);
- if (this._charAtlas) {
- this._charAtlas.dispose();
- }
- };
- BaseRenderLayer.prototype._initCanvas = function () {
- this._ctx = this._canvas.getContext('2d', { alpha: this._alpha });
- if (!this._alpha) {
- this.clearAll();
- }
- };
- BaseRenderLayer.prototype.onOptionsChanged = function (terminal) { };
- BaseRenderLayer.prototype.onBlur = function (terminal) { };
- BaseRenderLayer.prototype.onFocus = function (terminal) { };
- BaseRenderLayer.prototype.onCursorMove = function (terminal) { };
- BaseRenderLayer.prototype.onGridChanged = function (terminal, startRow, endRow) { };
- BaseRenderLayer.prototype.onSelectionChanged = function (terminal, start, end, columnSelectMode) {
- if (columnSelectMode === void 0) { columnSelectMode = false; }
- };
- BaseRenderLayer.prototype.onThemeChanged = function (terminal, colorSet) {
- this._refreshCharAtlas(terminal, colorSet);
- };
- BaseRenderLayer.prototype.setTransparency = function (terminal, alpha) {
- if (alpha === this._alpha) {
- return;
- }
- var oldCanvas = this._canvas;
- this._alpha = alpha;
- this._canvas = this._canvas.cloneNode();
- this._initCanvas();
- this._container.replaceChild(this._canvas, oldCanvas);
- this._refreshCharAtlas(terminal, this._colors);
- this.onGridChanged(terminal, 0, terminal.rows - 1);
- };
- BaseRenderLayer.prototype._refreshCharAtlas = function (terminal, colorSet) {
- if (this._scaledCharWidth <= 0 && this._scaledCharHeight <= 0) {
- return;
- }
- this._charAtlas = CharAtlasCache_1.acquireCharAtlas(terminal, colorSet, this._scaledCharWidth, this._scaledCharHeight);
- this._charAtlas.warmUp();
- };
- BaseRenderLayer.prototype.resize = function (terminal, dim) {
- this._scaledCellWidth = dim.scaledCellWidth;
- this._scaledCellHeight = dim.scaledCellHeight;
- this._scaledCharWidth = dim.scaledCharWidth;
- this._scaledCharHeight = dim.scaledCharHeight;
- this._scaledCharLeft = dim.scaledCharLeft;
- this._scaledCharTop = dim.scaledCharTop;
- this._canvas.width = dim.scaledCanvasWidth;
- this._canvas.height = dim.scaledCanvasHeight;
- this._canvas.style.width = dim.canvasWidth + "px";
- this._canvas.style.height = dim.canvasHeight + "px";
- if (!this._alpha) {
- this.clearAll();
- }
- this._refreshCharAtlas(terminal, this._colors);
- };
- BaseRenderLayer.prototype.fillCells = function (x, y, width, height) {
- this._ctx.fillRect(x * this._scaledCellWidth, y * this._scaledCellHeight, width * this._scaledCellWidth, height * this._scaledCellHeight);
- };
- BaseRenderLayer.prototype.fillBottomLineAtCells = function (x, y, width) {
- if (width === void 0) { width = 1; }
- this._ctx.fillRect(x * this._scaledCellWidth, (y + 1) * this._scaledCellHeight - window.devicePixelRatio - 1, width * this._scaledCellWidth, window.devicePixelRatio);
- };
- BaseRenderLayer.prototype.fillLeftLineAtCell = function (x, y) {
- this._ctx.fillRect(x * this._scaledCellWidth, y * this._scaledCellHeight, window.devicePixelRatio, this._scaledCellHeight);
- };
- BaseRenderLayer.prototype.strokeRectAtCell = function (x, y, width, height) {
- this._ctx.lineWidth = window.devicePixelRatio;
- this._ctx.strokeRect(x * this._scaledCellWidth + window.devicePixelRatio / 2, y * this._scaledCellHeight + (window.devicePixelRatio / 2), width * this._scaledCellWidth - window.devicePixelRatio, (height * this._scaledCellHeight) - window.devicePixelRatio);
- };
- BaseRenderLayer.prototype.clearAll = function () {
- if (this._alpha) {
- this._ctx.clearRect(0, 0, this._canvas.width, this._canvas.height);
- }
- else {
- this._ctx.fillStyle = this._colors.background.css;
- this._ctx.fillRect(0, 0, this._canvas.width, this._canvas.height);
- }
- };
- BaseRenderLayer.prototype.clearCells = function (x, y, width, height) {
- if (this._alpha) {
- this._ctx.clearRect(x * this._scaledCellWidth, y * this._scaledCellHeight, width * this._scaledCellWidth, height * this._scaledCellHeight);
- }
- else {
- this._ctx.fillStyle = this._colors.background.css;
- this._ctx.fillRect(x * this._scaledCellWidth, y * this._scaledCellHeight, width * this._scaledCellWidth, height * this._scaledCellHeight);
- }
- };
- BaseRenderLayer.prototype.fillCharTrueColor = function (terminal, cell, x, y) {
- this._ctx.font = this._getFont(terminal, false, false);
- this._ctx.textBaseline = 'middle';
- this._clipRow(terminal, y);
- this._ctx.fillText(cell.getChars(), x * this._scaledCellWidth + this._scaledCharLeft, y * this._scaledCellHeight + this._scaledCharTop + this._scaledCharHeight / 2);
- };
- BaseRenderLayer.prototype.drawChars = function (terminal, cell, x, y) {
- if (cell.isFgRGB() || cell.isBgRGB() || cell instanceof CharacterJoinerRegistry_1.JoinedCellData) {
- this._drawUncachedChars(terminal, cell, x, y);
- return;
- }
- var fg;
- var bg;
- if (cell.isInverse()) {
- fg = (cell.isBgDefault()) ? Types_1.INVERTED_DEFAULT_COLOR : cell.getBgColor();
- bg = (cell.isFgDefault()) ? Types_1.INVERTED_DEFAULT_COLOR : cell.getFgColor();
- }
- else {
- bg = (cell.isBgDefault()) ? Types_1.DEFAULT_COLOR : cell.getBgColor();
- fg = (cell.isFgDefault()) ? Types_1.DEFAULT_COLOR : cell.getFgColor();
- }
- var drawInBrightColor = terminal.options.drawBoldTextInBrightColors && cell.isBold() && fg < 8 && fg !== Types_1.INVERTED_DEFAULT_COLOR;
- fg += drawInBrightColor ? 8 : 0;
- this._currentGlyphIdentifier.chars = cell.getChars() || Buffer_1.WHITESPACE_CELL_CHAR;
- this._currentGlyphIdentifier.code = cell.getCode() || Buffer_1.WHITESPACE_CELL_CODE;
- this._currentGlyphIdentifier.bg = bg;
- this._currentGlyphIdentifier.fg = fg;
- this._currentGlyphIdentifier.bold = cell.isBold() && terminal.options.enableBold;
- this._currentGlyphIdentifier.dim = !!cell.isDim();
- this._currentGlyphIdentifier.italic = !!cell.isItalic();
- var atlasDidDraw = this._charAtlas && this._charAtlas.draw(this._ctx, this._currentGlyphIdentifier, x * this._scaledCellWidth + this._scaledCharLeft, y * this._scaledCellHeight + this._scaledCharTop);
- if (!atlasDidDraw) {
- this._drawUncachedChars(terminal, cell, x, y);
- }
- };
- BaseRenderLayer.prototype._drawUncachedChars = function (terminal, cell, x, y) {
- this._ctx.save();
- this._ctx.font = this._getFont(terminal, cell.isBold() && terminal.options.enableBold, !!cell.isItalic());
- this._ctx.textBaseline = 'middle';
- if (cell.isInverse()) {
- if (cell.isBgDefault()) {
- this._ctx.fillStyle = this._colors.background.css;
- }
- else if (cell.isBgRGB()) {
- this._ctx.fillStyle = "rgb(" + BufferLine_1.AttributeData.toColorRGB(cell.getBgColor()).join(',') + ")";
- }
- else {
- this._ctx.fillStyle = this._colors.ansi[cell.getBgColor()].css;
- }
- }
- else {
- if (cell.isFgDefault()) {
- this._ctx.fillStyle = this._colors.foreground.css;
- }
- else if (cell.isFgRGB()) {
- this._ctx.fillStyle = "rgb(" + BufferLine_1.AttributeData.toColorRGB(cell.getFgColor()).join(',') + ")";
- }
- else {
- var fg = cell.getFgColor();
- if (terminal.options.drawBoldTextInBrightColors && cell.isBold() && fg < 8) {
- fg += 8;
- }
- this._ctx.fillStyle = this._colors.ansi[fg].css;
- }
- }
- this._clipRow(terminal, y);
- if (cell.isDim()) {
- this._ctx.globalAlpha = Types_1.DIM_OPACITY;
- }
- this._ctx.fillText(cell.getChars(), x * this._scaledCellWidth + this._scaledCharLeft, y * this._scaledCellHeight + this._scaledCharTop + this._scaledCharHeight / 2);
- this._ctx.restore();
- };
- BaseRenderLayer.prototype._clipRow = function (terminal, y) {
- this._ctx.beginPath();
- this._ctx.rect(0, y * this._scaledCellHeight, terminal.cols * this._scaledCellWidth, this._scaledCellHeight);
- this._ctx.clip();
- };
- BaseRenderLayer.prototype._getFont = function (terminal, isBold, isItalic) {
- var fontWeight = isBold ? terminal.options.fontWeightBold : terminal.options.fontWeight;
- var fontStyle = isItalic ? 'italic' : '';
- return fontStyle + " " + fontWeight + " " + terminal.options.fontSize * window.devicePixelRatio + "px " + terminal.options.fontFamily;
- };
- return BaseRenderLayer;
-}());
-exports.BaseRenderLayer = BaseRenderLayer;
-
-},{"../Buffer":2,"../BufferLine":3,"./CharacterJoinerRegistry":36,"./atlas/CharAtlasCache":45,"./atlas/Types":52}],36:[function(require,module,exports){
-"use strict";
-var __extends = (this && this.__extends) || (function () {
- var extendStatics = function (d, b) {
- extendStatics = Object.setPrototypeOf ||
- ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
- function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
- return extendStatics(d, b);
- };
- return function (d, b) {
- extendStatics(d, b);
- function __() { this.constructor = d; }
- d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
- };
-})();
-Object.defineProperty(exports, "__esModule", { value: true });
-var BufferLine_1 = require("../BufferLine");
-var Buffer_1 = require("../Buffer");
-var JoinedCellData = (function (_super) {
- __extends(JoinedCellData, _super);
- function JoinedCellData(firstCell, chars, width) {
- var _this = _super.call(this) || this;
- _this.content = 0;
- _this.combinedData = '';
- _this.fg = firstCell.fg;
- _this.bg = firstCell.bg;
- _this.combinedData = chars;
- _this._width = width;
- return _this;
- }
- JoinedCellData.prototype.isCombined = function () {
- return 2097152;
- };
- JoinedCellData.prototype.getWidth = function () {
- return this._width;
- };
- JoinedCellData.prototype.getChars = function () {
- return this.combinedData;
- };
- JoinedCellData.prototype.getCode = function () {
- return 0x1FFFFF;
- };
- JoinedCellData.prototype.setFromCharData = function (value) {
- throw new Error('not implemented');
- };
- JoinedCellData.prototype.getAsCharData = function () {
- return [this.fg, this.getChars(), this.getWidth(), this.getCode()];
- };
- return JoinedCellData;
-}(BufferLine_1.AttributeData));
-exports.JoinedCellData = JoinedCellData;
-var CharacterJoinerRegistry = (function () {
- function CharacterJoinerRegistry(_terminal) {
- this._terminal = _terminal;
- this._characterJoiners = [];
- this._nextCharacterJoinerId = 0;
- this._workCell = new BufferLine_1.CellData();
- }
- CharacterJoinerRegistry.prototype.registerCharacterJoiner = function (handler) {
- var joiner = {
- id: this._nextCharacterJoinerId++,
- handler: handler
- };
- this._characterJoiners.push(joiner);
- return joiner.id;
- };
- CharacterJoinerRegistry.prototype.deregisterCharacterJoiner = function (joinerId) {
- for (var i = 0; i < this._characterJoiners.length; i++) {
- if (this._characterJoiners[i].id === joinerId) {
- this._characterJoiners.splice(i, 1);
- return true;
- }
- }
- return false;
- };
- CharacterJoinerRegistry.prototype.getJoinedCharacters = function (row) {
- if (this._characterJoiners.length === 0) {
- return [];
- }
- var line = this._terminal.buffer.lines.get(row);
- if (line.length === 0) {
- return [];
- }
- var ranges = [];
- var lineStr = line.translateToString(true);
- var rangeStartColumn = 0;
- var currentStringIndex = 0;
- var rangeStartStringIndex = 0;
- var rangeAttrFG = line.getFg(0);
- var rangeAttrBG = line.getBg(0);
- for (var x = 0; x < line.getTrimmedLength(); x++) {
- line.loadCell(x, this._workCell);
- if (this._workCell.getWidth() === 0) {
- continue;
- }
- if (this._workCell.fg !== rangeAttrFG || this._workCell.bg !== rangeAttrBG) {
- if (x - rangeStartColumn > 1) {
- var joinedRanges = this._getJoinedRanges(lineStr, rangeStartStringIndex, currentStringIndex, line, rangeStartColumn);
- for (var i = 0; i < joinedRanges.length; i++) {
- ranges.push(joinedRanges[i]);
- }
- }
- rangeStartColumn = x;
- rangeStartStringIndex = currentStringIndex;
- rangeAttrFG = this._workCell.fg;
- rangeAttrBG = this._workCell.bg;
- }
- currentStringIndex += this._workCell.getChars().length || Buffer_1.WHITESPACE_CELL_CHAR.length;
- }
- if (this._terminal.cols - rangeStartColumn > 1) {
- var joinedRanges = this._getJoinedRanges(lineStr, rangeStartStringIndex, currentStringIndex, line, rangeStartColumn);
- for (var i = 0; i < joinedRanges.length; i++) {
- ranges.push(joinedRanges[i]);
- }
- }
- return ranges;
- };
- CharacterJoinerRegistry.prototype._getJoinedRanges = function (line, startIndex, endIndex, lineData, startCol) {
- var text = line.substring(startIndex, endIndex);
- var joinedRanges = this._characterJoiners[0].handler(text);
- for (var i = 1; i < this._characterJoiners.length; i++) {
- var joinerRanges = this._characterJoiners[i].handler(text);
- for (var j = 0; j < joinerRanges.length; j++) {
- CharacterJoinerRegistry._mergeRanges(joinedRanges, joinerRanges[j]);
- }
- }
- this._stringRangesToCellRanges(joinedRanges, lineData, startCol);
- return joinedRanges;
- };
- CharacterJoinerRegistry.prototype._stringRangesToCellRanges = function (ranges, line, startCol) {
- var currentRangeIndex = 0;
- var currentRangeStarted = false;
- var currentStringIndex = 0;
- var currentRange = ranges[currentRangeIndex];
- if (!currentRange) {
- return;
- }
- for (var x = startCol; x < this._terminal.cols; x++) {
- var width = line.getWidth(x);
- var length_1 = line.getString(x).length || Buffer_1.WHITESPACE_CELL_CHAR.length;
- if (width === 0) {
- continue;
- }
- if (!currentRangeStarted && currentRange[0] <= currentStringIndex) {
- currentRange[0] = x;
- currentRangeStarted = true;
- }
- if (currentRange[1] <= currentStringIndex) {
- currentRange[1] = x;
- currentRange = ranges[++currentRangeIndex];
- if (!currentRange) {
- break;
- }
- if (currentRange[0] <= currentStringIndex) {
- currentRange[0] = x;
- currentRangeStarted = true;
- }
- else {
- currentRangeStarted = false;
- }
- }
- currentStringIndex += length_1;
- }
- if (currentRange) {
- currentRange[1] = this._terminal.cols;
- }
- };
- CharacterJoinerRegistry._mergeRanges = function (ranges, newRange) {
- var inRange = false;
- for (var i = 0; i < ranges.length; i++) {
- var range = ranges[i];
- if (!inRange) {
- if (newRange[1] <= range[0]) {
- ranges.splice(i, 0, newRange);
- return ranges;
- }
- if (newRange[1] <= range[1]) {
- range[0] = Math.min(newRange[0], range[0]);
- return ranges;
- }
- if (newRange[0] < range[1]) {
- range[0] = Math.min(newRange[0], range[0]);
- inRange = true;
- }
- continue;
- }
- else {
- if (newRange[1] <= range[0]) {
- ranges[i - 1][1] = newRange[1];
- return ranges;
- }
- if (newRange[1] <= range[1]) {
- ranges[i - 1][1] = Math.max(newRange[1], range[1]);
- ranges.splice(i, 1);
- inRange = false;
- return ranges;
- }
- ranges.splice(i, 1);
- i--;
- }
- }
- if (inRange) {
- ranges[ranges.length - 1][1] = newRange[1];
- }
- else {
- ranges.push(newRange);
- }
- return ranges;
- };
- return CharacterJoinerRegistry;
-}());
-exports.CharacterJoinerRegistry = CharacterJoinerRegistry;
-
-},{"../Buffer":2,"../BufferLine":3}],37:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var DEFAULT_FOREGROUND = fromHex('#ffffff');
-var DEFAULT_BACKGROUND = fromHex('#000000');
-var DEFAULT_CURSOR = fromHex('#ffffff');
-var DEFAULT_CURSOR_ACCENT = fromHex('#000000');
-var DEFAULT_SELECTION = {
- css: 'rgba(255, 255, 255, 0.3)',
- rgba: 0xFFFFFF77
-};
-exports.DEFAULT_ANSI_COLORS = (function () {
- var colors = [
- fromHex('#2e3436'),
- fromHex('#cc0000'),
- fromHex('#4e9a06'),
- fromHex('#c4a000'),
- fromHex('#3465a4'),
- fromHex('#75507b'),
- fromHex('#06989a'),
- fromHex('#d3d7cf'),
- fromHex('#555753'),
- fromHex('#ef2929'),
- fromHex('#8ae234'),
- fromHex('#fce94f'),
- fromHex('#729fcf'),
- fromHex('#ad7fa8'),
- fromHex('#34e2e2'),
- fromHex('#eeeeec')
- ];
- var v = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff];
- for (var i = 0; i < 216; i++) {
- var r = v[(i / 36) % 6 | 0];
- var g = v[(i / 6) % 6 | 0];
- var b = v[i % 6];
- colors.push({
- css: "#" + toPaddedHex(r) + toPaddedHex(g) + toPaddedHex(b),
- rgba: ((r << 24) | (g << 16) | (b << 8) | 0xFF) >>> 0
- });
- }
- for (var i = 0; i < 24; i++) {
- var c = 8 + i * 10;
- var ch = toPaddedHex(c);
- colors.push({
- css: "#" + ch + ch + ch,
- rgba: ((c << 24) | (c << 16) | (c << 8) | 0xFF) >>> 0
- });
- }
- return colors;
-})();
-function fromHex(css) {
- return {
- css: css,
- rgba: parseInt(css.slice(1), 16) << 8 | 0xFF
- };
-}
-function toPaddedHex(c) {
- var s = c.toString(16);
- return s.length < 2 ? '0' + s : s;
-}
-var ColorManager = (function () {
- function ColorManager(document, allowTransparency) {
- this.allowTransparency = allowTransparency;
- var canvas = document.createElement('canvas');
- canvas.width = 1;
- canvas.height = 1;
- this._ctx = canvas.getContext('2d');
- this._ctx.globalCompositeOperation = 'copy';
- this._litmusColor = this._ctx.createLinearGradient(0, 0, 1, 1);
- this.colors = {
- foreground: DEFAULT_FOREGROUND,
- background: DEFAULT_BACKGROUND,
- cursor: DEFAULT_CURSOR,
- cursorAccent: DEFAULT_CURSOR_ACCENT,
- selection: DEFAULT_SELECTION,
- ansi: exports.DEFAULT_ANSI_COLORS.slice()
- };
- }
- ColorManager.prototype.setTheme = function (theme) {
- this.colors.foreground = this._parseColor(theme.foreground, DEFAULT_FOREGROUND);
- this.colors.background = this._parseColor(theme.background, DEFAULT_BACKGROUND);
- this.colors.cursor = this._parseColor(theme.cursor, DEFAULT_CURSOR, true);
- this.colors.cursorAccent = this._parseColor(theme.cursorAccent, DEFAULT_CURSOR_ACCENT, true);
- this.colors.selection = this._parseColor(theme.selection, DEFAULT_SELECTION, true);
- this.colors.ansi[0] = this._parseColor(theme.black, exports.DEFAULT_ANSI_COLORS[0]);
- this.colors.ansi[1] = this._parseColor(theme.red, exports.DEFAULT_ANSI_COLORS[1]);
- this.colors.ansi[2] = this._parseColor(theme.green, exports.DEFAULT_ANSI_COLORS[2]);
- this.colors.ansi[3] = this._parseColor(theme.yellow, exports.DEFAULT_ANSI_COLORS[3]);
- this.colors.ansi[4] = this._parseColor(theme.blue, exports.DEFAULT_ANSI_COLORS[4]);
- this.colors.ansi[5] = this._parseColor(theme.magenta, exports.DEFAULT_ANSI_COLORS[5]);
- this.colors.ansi[6] = this._parseColor(theme.cyan, exports.DEFAULT_ANSI_COLORS[6]);
- this.colors.ansi[7] = this._parseColor(theme.white, exports.DEFAULT_ANSI_COLORS[7]);
- this.colors.ansi[8] = this._parseColor(theme.brightBlack, exports.DEFAULT_ANSI_COLORS[8]);
- this.colors.ansi[9] = this._parseColor(theme.brightRed, exports.DEFAULT_ANSI_COLORS[9]);
- this.colors.ansi[10] = this._parseColor(theme.brightGreen, exports.DEFAULT_ANSI_COLORS[10]);
- this.colors.ansi[11] = this._parseColor(theme.brightYellow, exports.DEFAULT_ANSI_COLORS[11]);
- this.colors.ansi[12] = this._parseColor(theme.brightBlue, exports.DEFAULT_ANSI_COLORS[12]);
- this.colors.ansi[13] = this._parseColor(theme.brightMagenta, exports.DEFAULT_ANSI_COLORS[13]);
- this.colors.ansi[14] = this._parseColor(theme.brightCyan, exports.DEFAULT_ANSI_COLORS[14]);
- this.colors.ansi[15] = this._parseColor(theme.brightWhite, exports.DEFAULT_ANSI_COLORS[15]);
- };
- ColorManager.prototype._parseColor = function (css, fallback, allowTransparency) {
- if (allowTransparency === void 0) { allowTransparency = this.allowTransparency; }
- if (!css) {
- return fallback;
- }
- this._ctx.fillStyle = this._litmusColor;
- this._ctx.fillStyle = css;
- if (typeof this._ctx.fillStyle !== 'string') {
- console.warn("Color: " + css + " is invalid using fallback " + fallback.css);
- return fallback;
- }
- this._ctx.fillRect(0, 0, 1, 1);
- var data = this._ctx.getImageData(0, 0, 1, 1).data;
- if (!allowTransparency && data[3] !== 0xFF) {
- console.warn("Color: " + css + " is using transparency, but allowTransparency is false. " +
- ("Using fallback " + fallback.css + "."));
- return fallback;
- }
- return {
- css: css,
- rgba: (data[0] << 24 | data[1] << 16 | data[2] << 8 | data[3]) >>> 0
- };
- };
- return ColorManager;
-}());
-exports.ColorManager = ColorManager;
-
-},{}],38:[function(require,module,exports){
-"use strict";
-var __extends = (this && this.__extends) || (function () {
- var extendStatics = function (d, b) {
- extendStatics = Object.setPrototypeOf ||
- ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
- function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
- return extendStatics(d, b);
- };
- return function (d, b) {
- extendStatics(d, b);
- function __() { this.constructor = d; }
- d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
- };
-})();
-Object.defineProperty(exports, "__esModule", { value: true });
-var BaseRenderLayer_1 = require("./BaseRenderLayer");
-var BufferLine_1 = require("../BufferLine");
-var BLINK_INTERVAL = 600;
-var CursorRenderLayer = (function (_super) {
- __extends(CursorRenderLayer, _super);
- function CursorRenderLayer(container, zIndex, colors) {
- var _this = _super.call(this, container, 'cursor', zIndex, true, colors) || this;
- _this._cell = new BufferLine_1.CellData();
- _this._state = {
- x: null,
- y: null,
- isFocused: null,
- style: null,
- width: null
- };
- _this._cursorRenderers = {
- 'bar': _this._renderBarCursor.bind(_this),
- 'block': _this._renderBlockCursor.bind(_this),
- 'underline': _this._renderUnderlineCursor.bind(_this)
- };
- return _this;
- }
- CursorRenderLayer.prototype.resize = function (terminal, dim) {
- _super.prototype.resize.call(this, terminal, dim);
- this._state = {
- x: null,
- y: null,
- isFocused: null,
- style: null,
- width: null
- };
- };
- CursorRenderLayer.prototype.reset = function (terminal) {
- this._clearCursor();
- if (this._cursorBlinkStateManager) {
- this._cursorBlinkStateManager.dispose();
- this._cursorBlinkStateManager = null;
- this.onOptionsChanged(terminal);
- }
- };
- CursorRenderLayer.prototype.onBlur = function (terminal) {
- if (this._cursorBlinkStateManager) {
- this._cursorBlinkStateManager.pause();
- }
- terminal.refresh(terminal.buffer.y, terminal.buffer.y);
- };
- CursorRenderLayer.prototype.onFocus = function (terminal) {
- if (this._cursorBlinkStateManager) {
- this._cursorBlinkStateManager.resume(terminal);
- }
- else {
- terminal.refresh(terminal.buffer.y, terminal.buffer.y);
- }
- };
- CursorRenderLayer.prototype.onOptionsChanged = function (terminal) {
- var _this = this;
- if (terminal.options.cursorBlink) {
- if (!this._cursorBlinkStateManager) {
- this._cursorBlinkStateManager = new CursorBlinkStateManager(terminal, function () {
- _this._render(terminal, true);
- });
- }
- }
- else {
- if (this._cursorBlinkStateManager) {
- this._cursorBlinkStateManager.dispose();
- this._cursorBlinkStateManager = null;
- }
- terminal.refresh(terminal.buffer.y, terminal.buffer.y);
- }
- };
- CursorRenderLayer.prototype.onCursorMove = function (terminal) {
- if (this._cursorBlinkStateManager) {
- this._cursorBlinkStateManager.restartBlinkAnimation(terminal);
- }
- };
- CursorRenderLayer.prototype.onGridChanged = function (terminal, startRow, endRow) {
- if (!this._cursorBlinkStateManager || this._cursorBlinkStateManager.isPaused) {
- this._render(terminal, false);
- }
- else {
- this._cursorBlinkStateManager.restartBlinkAnimation(terminal);
- }
- };
- CursorRenderLayer.prototype._render = function (terminal, triggeredByAnimationFrame) {
- if (!terminal.cursorState || terminal.cursorHidden) {
- this._clearCursor();
- return;
- }
- var cursorY = terminal.buffer.ybase + terminal.buffer.y;
- var viewportRelativeCursorY = cursorY - terminal.buffer.ydisp;
- if (viewportRelativeCursorY < 0 || viewportRelativeCursorY >= terminal.rows) {
- this._clearCursor();
- return;
- }
- terminal.buffer.lines.get(cursorY).loadCell(terminal.buffer.x, this._cell);
- if (this._cell.content === undefined) {
- return;
- }
- if (!terminal.isFocused) {
- this._clearCursor();
- this._ctx.save();
- this._ctx.fillStyle = this._colors.cursor.css;
- this._renderBlurCursor(terminal, terminal.buffer.x, viewportRelativeCursorY, this._cell);
- this._ctx.restore();
- this._state.x = terminal.buffer.x;
- this._state.y = viewportRelativeCursorY;
- this._state.isFocused = false;
- this._state.style = terminal.options.cursorStyle;
- this._state.width = this._cell.getWidth();
- return;
- }
- if (this._cursorBlinkStateManager && !this._cursorBlinkStateManager.isCursorVisible) {
- this._clearCursor();
- return;
- }
- if (this._state) {
- if (this._state.x === terminal.buffer.x &&
- this._state.y === viewportRelativeCursorY &&
- this._state.isFocused === terminal.isFocused &&
- this._state.style === terminal.options.cursorStyle &&
- this._state.width === this._cell.getWidth()) {
- return;
- }
- this._clearCursor();
- }
- this._ctx.save();
- this._cursorRenderers[terminal.options.cursorStyle || 'block'](terminal, terminal.buffer.x, viewportRelativeCursorY, this._cell);
- this._ctx.restore();
- this._state.x = terminal.buffer.x;
- this._state.y = viewportRelativeCursorY;
- this._state.isFocused = false;
- this._state.style = terminal.options.cursorStyle;
- this._state.width = this._cell.getWidth();
- };
- CursorRenderLayer.prototype._clearCursor = function () {
- if (this._state) {
- this.clearCells(this._state.x, this._state.y, this._state.width, 1);
- this._state = {
- x: null,
- y: null,
- isFocused: null,
- style: null,
- width: null
- };
- }
- };
- CursorRenderLayer.prototype._renderBarCursor = function (terminal, x, y, cell) {
- this._ctx.save();
- this._ctx.fillStyle = this._colors.cursor.css;
- this.fillLeftLineAtCell(x, y);
- this._ctx.restore();
- };
- CursorRenderLayer.prototype._renderBlockCursor = function (terminal, x, y, cell) {
- this._ctx.save();
- this._ctx.fillStyle = this._colors.cursor.css;
- this.fillCells(x, y, cell.getWidth(), 1);
- this._ctx.fillStyle = this._colors.cursorAccent.css;
- this.fillCharTrueColor(terminal, cell, x, y);
- this._ctx.restore();
- };
- CursorRenderLayer.prototype._renderUnderlineCursor = function (terminal, x, y, cell) {
- this._ctx.save();
- this._ctx.fillStyle = this._colors.cursor.css;
- this.fillBottomLineAtCells(x, y);
- this._ctx.restore();
- };
- CursorRenderLayer.prototype._renderBlurCursor = function (terminal, x, y, cell) {
- this._ctx.save();
- this._ctx.strokeStyle = this._colors.cursor.css;
- this.strokeRectAtCell(x, y, cell.getWidth(), 1);
- this._ctx.restore();
- };
- return CursorRenderLayer;
-}(BaseRenderLayer_1.BaseRenderLayer));
-exports.CursorRenderLayer = CursorRenderLayer;
-var CursorBlinkStateManager = (function () {
- function CursorBlinkStateManager(terminal, _renderCallback) {
- this._renderCallback = _renderCallback;
- this.isCursorVisible = true;
- if (terminal.isFocused) {
- this._restartInterval();
- }
- }
- Object.defineProperty(CursorBlinkStateManager.prototype, "isPaused", {
- get: function () { return !(this._blinkStartTimeout || this._blinkInterval); },
- enumerable: true,
- configurable: true
- });
- CursorBlinkStateManager.prototype.dispose = function () {
- if (this._blinkInterval) {
- window.clearInterval(this._blinkInterval);
- this._blinkInterval = null;
- }
- if (this._blinkStartTimeout) {
- window.clearTimeout(this._blinkStartTimeout);
- this._blinkStartTimeout = null;
- }
- if (this._animationFrame) {
- window.cancelAnimationFrame(this._animationFrame);
- this._animationFrame = null;
- }
- };
- CursorBlinkStateManager.prototype.restartBlinkAnimation = function (terminal) {
- var _this = this;
- if (this.isPaused) {
- return;
- }
- this._animationTimeRestarted = Date.now();
- this.isCursorVisible = true;
- if (!this._animationFrame) {
- this._animationFrame = window.requestAnimationFrame(function () {
- _this._renderCallback();
- _this._animationFrame = null;
- });
- }
- };
- CursorBlinkStateManager.prototype._restartInterval = function (timeToStart) {
- var _this = this;
- if (timeToStart === void 0) { timeToStart = BLINK_INTERVAL; }
- if (this._blinkInterval) {
- window.clearInterval(this._blinkInterval);
- }
- this._blinkStartTimeout = setTimeout(function () {
- if (_this._animationTimeRestarted) {
- var time = BLINK_INTERVAL - (Date.now() - _this._animationTimeRestarted);
- _this._animationTimeRestarted = null;
- if (time > 0) {
- _this._restartInterval(time);
- return;
- }
- }
- _this.isCursorVisible = false;
- _this._animationFrame = window.requestAnimationFrame(function () {
- _this._renderCallback();
- _this._animationFrame = null;
- });
- _this._blinkInterval = setInterval(function () {
- if (_this._animationTimeRestarted) {
- var time = BLINK_INTERVAL - (Date.now() - _this._animationTimeRestarted);
- _this._animationTimeRestarted = null;
- _this._restartInterval(time);
- return;
- }
- _this.isCursorVisible = !_this.isCursorVisible;
- _this._animationFrame = window.requestAnimationFrame(function () {
- _this._renderCallback();
- _this._animationFrame = null;
- });
- }, BLINK_INTERVAL);
- }, timeToStart);
- };
- CursorBlinkStateManager.prototype.pause = function () {
- this.isCursorVisible = true;
- if (this._blinkInterval) {
- window.clearInterval(this._blinkInterval);
- this._blinkInterval = null;
- }
- if (this._blinkStartTimeout) {
- window.clearTimeout(this._blinkStartTimeout);
- this._blinkStartTimeout = null;
- }
- if (this._animationFrame) {
- window.cancelAnimationFrame(this._animationFrame);
- this._animationFrame = null;
- }
- };
- CursorBlinkStateManager.prototype.resume = function (terminal) {
- this._animationTimeRestarted = null;
- this._restartInterval();
- this.restartBlinkAnimation(terminal);
- };
- return CursorBlinkStateManager;
-}());
-
-},{"../BufferLine":3,"./BaseRenderLayer":35}],39:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var GridCache = (function () {
- function GridCache() {
- this.cache = [];
- }
- GridCache.prototype.resize = function (width, height) {
- for (var x = 0; x < width; x++) {
- if (this.cache.length <= x) {
- this.cache.push([]);
- }
- for (var y = this.cache[x].length; y < height; y++) {
- this.cache[x].push(null);
- }
- this.cache[x].length = height;
- }
- this.cache.length = width;
- };
- GridCache.prototype.clear = function () {
- for (var x = 0; x < this.cache.length; x++) {
- for (var y = 0; y < this.cache[x].length; y++) {
- this.cache[x][y] = null;
- }
- }
- };
- return GridCache;
-}());
-exports.GridCache = GridCache;
-
-},{}],40:[function(require,module,exports){
-"use strict";
-var __extends = (this && this.__extends) || (function () {
- var extendStatics = function (d, b) {
- extendStatics = Object.setPrototypeOf ||
- ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
- function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
- return extendStatics(d, b);
- };
- return function (d, b) {
- extendStatics(d, b);
- function __() { this.constructor = d; }
- d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
- };
-})();
-Object.defineProperty(exports, "__esModule", { value: true });
-var BaseRenderLayer_1 = require("./BaseRenderLayer");
-var Types_1 = require("./atlas/Types");
-var CharAtlasUtils_1 = require("./atlas/CharAtlasUtils");
-var LinkRenderLayer = (function (_super) {
- __extends(LinkRenderLayer, _super);
- function LinkRenderLayer(container, zIndex, colors, terminal) {
- var _this = _super.call(this, container, 'link', zIndex, true, colors) || this;
- _this._state = null;
- terminal.linkifier.onLinkHover(function (e) { return _this._onLinkHover(e); });
- terminal.linkifier.onLinkLeave(function (e) { return _this._onLinkLeave(e); });
- return _this;
- }
- LinkRenderLayer.prototype.resize = function (terminal, dim) {
- _super.prototype.resize.call(this, terminal, dim);
- this._state = null;
- };
- LinkRenderLayer.prototype.reset = function (terminal) {
- this._clearCurrentLink();
- };
- LinkRenderLayer.prototype._clearCurrentLink = function () {
- if (this._state) {
- this.clearCells(this._state.x1, this._state.y1, this._state.cols - this._state.x1, 1);
- var middleRowCount = this._state.y2 - this._state.y1 - 1;
- if (middleRowCount > 0) {
- this.clearCells(0, this._state.y1 + 1, this._state.cols, middleRowCount);
- }
- this.clearCells(0, this._state.y2, this._state.x2, 1);
- this._state = null;
- }
- };
- LinkRenderLayer.prototype._onLinkHover = function (e) {
- if (e.fg === Types_1.INVERTED_DEFAULT_COLOR) {
- this._ctx.fillStyle = this._colors.background.css;
- }
- else if (CharAtlasUtils_1.is256Color(e.fg)) {
- this._ctx.fillStyle = this._colors.ansi[e.fg].css;
- }
- else {
- this._ctx.fillStyle = this._colors.foreground.css;
- }
- if (e.y1 === e.y2) {
- this.fillBottomLineAtCells(e.x1, e.y1, e.x2 - e.x1);
- }
- else {
- this.fillBottomLineAtCells(e.x1, e.y1, e.cols - e.x1);
- for (var y = e.y1 + 1; y < e.y2; y++) {
- this.fillBottomLineAtCells(0, y, e.cols);
- }
- this.fillBottomLineAtCells(0, e.y2, e.x2);
- }
- this._state = e;
- };
- LinkRenderLayer.prototype._onLinkLeave = function (e) {
- this._clearCurrentLink();
- };
- return LinkRenderLayer;
-}(BaseRenderLayer_1.BaseRenderLayer));
-exports.LinkRenderLayer = LinkRenderLayer;
-
-},{"./BaseRenderLayer":35,"./atlas/CharAtlasUtils":47,"./atlas/Types":52}],41:[function(require,module,exports){
-"use strict";
-var __extends = (this && this.__extends) || (function () {
- var extendStatics = function (d, b) {
- extendStatics = Object.setPrototypeOf ||
- ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
- function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
- return extendStatics(d, b);
- };
- return function (d, b) {
- extendStatics(d, b);
- function __() { this.constructor = d; }
- d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
- };
-})();
-Object.defineProperty(exports, "__esModule", { value: true });
-var TextRenderLayer_1 = require("./TextRenderLayer");
-var SelectionRenderLayer_1 = require("./SelectionRenderLayer");
-var CursorRenderLayer_1 = require("./CursorRenderLayer");
-var ColorManager_1 = require("./ColorManager");
-var LinkRenderLayer_1 = require("./LinkRenderLayer");
-var RenderDebouncer_1 = require("../ui/RenderDebouncer");
-var ScreenDprMonitor_1 = require("../ui/ScreenDprMonitor");
-var CharacterJoinerRegistry_1 = require("../renderer/CharacterJoinerRegistry");
-var EventEmitter2_1 = require("../common/EventEmitter2");
-var Lifecycle_1 = require("../common/Lifecycle");
-var Renderer = (function (_super) {
- __extends(Renderer, _super);
- function Renderer(_terminal, theme) {
- var _this = _super.call(this) || this;
- _this._terminal = _terminal;
- _this._isPaused = false;
- _this._needsFullRefresh = false;
- _this._onCanvasResize = new EventEmitter2_1.EventEmitter2();
- _this._onRender = new EventEmitter2_1.EventEmitter2();
- var allowTransparency = _this._terminal.options.allowTransparency;
- _this.colorManager = new ColorManager_1.ColorManager(document, allowTransparency);
- _this._characterJoinerRegistry = new CharacterJoinerRegistry_1.CharacterJoinerRegistry(_terminal);
- if (theme) {
- _this.colorManager.setTheme(theme);
- }
- _this._renderLayers = [
- new TextRenderLayer_1.TextRenderLayer(_this._terminal.screenElement, 0, _this.colorManager.colors, _this._characterJoinerRegistry, allowTransparency),
- new SelectionRenderLayer_1.SelectionRenderLayer(_this._terminal.screenElement, 1, _this.colorManager.colors),
- new LinkRenderLayer_1.LinkRenderLayer(_this._terminal.screenElement, 2, _this.colorManager.colors, _this._terminal),
- new CursorRenderLayer_1.CursorRenderLayer(_this._terminal.screenElement, 3, _this.colorManager.colors)
- ];
- _this.dimensions = {
- scaledCharWidth: null,
- scaledCharHeight: null,
- scaledCellWidth: null,
- scaledCellHeight: null,
- scaledCharLeft: null,
- scaledCharTop: null,
- scaledCanvasWidth: null,
- scaledCanvasHeight: null,
- canvasWidth: null,
- canvasHeight: null,
- actualCellWidth: null,
- actualCellHeight: null
- };
- _this._devicePixelRatio = window.devicePixelRatio;
- _this._updateDimensions();
- _this.onOptionsChanged();
- _this._renderDebouncer = new RenderDebouncer_1.RenderDebouncer(_this._renderRows.bind(_this));
- _this._screenDprMonitor = new ScreenDprMonitor_1.ScreenDprMonitor();
- _this._screenDprMonitor.setListener(function () { return _this.onWindowResize(window.devicePixelRatio); });
- _this.register(_this._screenDprMonitor);
- if ('IntersectionObserver' in window) {
- var observer_1 = new IntersectionObserver(function (e) { return _this.onIntersectionChange(e[e.length - 1]); }, { threshold: 0 });
- observer_1.observe(_this._terminal.element);
- _this.register({ dispose: function () { return observer_1.disconnect(); } });
- }
- return _this;
- }
- Object.defineProperty(Renderer.prototype, "onCanvasResize", {
- get: function () { return this._onCanvasResize.event; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(Renderer.prototype, "onRender", {
- get: function () { return this._onRender.event; },
- enumerable: true,
- configurable: true
- });
- Renderer.prototype.dispose = function () {
- _super.prototype.dispose.call(this);
- this._renderLayers.forEach(function (l) { return l.dispose(); });
- };
- Renderer.prototype.onIntersectionChange = function (entry) {
- this._isPaused = entry.intersectionRatio === 0;
- if (!this._isPaused && this._needsFullRefresh) {
- this._terminal.refresh(0, this._terminal.rows - 1);
- this._needsFullRefresh = false;
- }
- };
- Renderer.prototype.onWindowResize = function (devicePixelRatio) {
- if (this._devicePixelRatio !== devicePixelRatio) {
- this._devicePixelRatio = devicePixelRatio;
- this.onResize(this._terminal.cols, this._terminal.rows);
- }
- };
- Renderer.prototype.setTheme = function (theme) {
- var _this = this;
- this.colorManager.setTheme(theme);
- this._renderLayers.forEach(function (l) {
- l.onThemeChanged(_this._terminal, _this.colorManager.colors);
- l.reset(_this._terminal);
- });
- if (this._isPaused) {
- this._needsFullRefresh = true;
- }
- else {
- this._terminal.refresh(0, this._terminal.rows - 1);
- }
- return this.colorManager.colors;
- };
- Renderer.prototype.onResize = function (cols, rows) {
- var _this = this;
- this._updateDimensions();
- this._renderLayers.forEach(function (l) { return l.resize(_this._terminal, _this.dimensions); });
- if (this._isPaused) {
- this._needsFullRefresh = true;
- }
- else {
- this._terminal.refresh(0, this._terminal.rows - 1);
- }
- this._terminal.screenElement.style.width = this.dimensions.canvasWidth + "px";
- this._terminal.screenElement.style.height = this.dimensions.canvasHeight + "px";
- this._onCanvasResize.fire({
- width: this.dimensions.canvasWidth,
- height: this.dimensions.canvasHeight
- });
- };
- Renderer.prototype.onCharSizeChanged = function () {
- this.onResize(this._terminal.cols, this._terminal.rows);
- };
- Renderer.prototype.onBlur = function () {
- var _this = this;
- this._runOperation(function (l) { return l.onBlur(_this._terminal); });
- };
- Renderer.prototype.onFocus = function () {
- var _this = this;
- this._runOperation(function (l) { return l.onFocus(_this._terminal); });
- };
- Renderer.prototype.onSelectionChanged = function (start, end, columnSelectMode) {
- var _this = this;
- if (columnSelectMode === void 0) { columnSelectMode = false; }
- this._runOperation(function (l) { return l.onSelectionChanged(_this._terminal, start, end, columnSelectMode); });
- };
- Renderer.prototype.onCursorMove = function () {
- var _this = this;
- this._runOperation(function (l) { return l.onCursorMove(_this._terminal); });
- };
- Renderer.prototype.onOptionsChanged = function () {
- var _this = this;
- this.colorManager.allowTransparency = this._terminal.options.allowTransparency;
- this._runOperation(function (l) { return l.onOptionsChanged(_this._terminal); });
- };
- Renderer.prototype.clear = function () {
- var _this = this;
- this._runOperation(function (l) { return l.reset(_this._terminal); });
- };
- Renderer.prototype._runOperation = function (operation) {
- if (this._isPaused) {
- this._needsFullRefresh = true;
- }
- else {
- this._renderLayers.forEach(function (l) { return operation(l); });
- }
- };
- Renderer.prototype.refreshRows = function (start, end) {
- if (this._isPaused) {
- this._needsFullRefresh = true;
- return;
- }
- this._renderDebouncer.refresh(start, end, this._terminal.rows);
- };
- Renderer.prototype._renderRows = function (start, end) {
- var _this = this;
- this._renderLayers.forEach(function (l) { return l.onGridChanged(_this._terminal, start, end); });
- this._onRender.fire({ start: start, end: end });
- };
- Renderer.prototype._updateDimensions = function () {
- if (!this._terminal.charMeasure.width || !this._terminal.charMeasure.height) {
- return;
- }
- this.dimensions.scaledCharWidth = Math.floor(this._terminal.charMeasure.width * window.devicePixelRatio);
- this.dimensions.scaledCharHeight = Math.ceil(this._terminal.charMeasure.height * window.devicePixelRatio);
- this.dimensions.scaledCellHeight = Math.floor(this.dimensions.scaledCharHeight * this._terminal.options.lineHeight);
- this.dimensions.scaledCharTop = this._terminal.options.lineHeight === 1 ? 0 : Math.round((this.dimensions.scaledCellHeight - this.dimensions.scaledCharHeight) / 2);
- this.dimensions.scaledCellWidth = this.dimensions.scaledCharWidth + Math.round(this._terminal.options.letterSpacing);
- this.dimensions.scaledCharLeft = Math.floor(this._terminal.options.letterSpacing / 2);
- this.dimensions.scaledCanvasHeight = this._terminal.rows * this.dimensions.scaledCellHeight;
- this.dimensions.scaledCanvasWidth = this._terminal.cols * this.dimensions.scaledCellWidth;
- this.dimensions.canvasHeight = Math.round(this.dimensions.scaledCanvasHeight / window.devicePixelRatio);
- this.dimensions.canvasWidth = Math.round(this.dimensions.scaledCanvasWidth / window.devicePixelRatio);
- this.dimensions.actualCellHeight = this.dimensions.canvasHeight / this._terminal.rows;
- this.dimensions.actualCellWidth = this.dimensions.canvasWidth / this._terminal.cols;
- };
- Renderer.prototype.registerCharacterJoiner = function (handler) {
- return this._characterJoinerRegistry.registerCharacterJoiner(handler);
- };
- Renderer.prototype.deregisterCharacterJoiner = function (joinerId) {
- return this._characterJoinerRegistry.deregisterCharacterJoiner(joinerId);
- };
- return Renderer;
-}(Lifecycle_1.Disposable));
-exports.Renderer = Renderer;
-
-},{"../common/EventEmitter2":25,"../common/Lifecycle":26,"../renderer/CharacterJoinerRegistry":36,"../ui/RenderDebouncer":56,"../ui/ScreenDprMonitor":57,"./ColorManager":37,"./CursorRenderLayer":38,"./LinkRenderLayer":40,"./SelectionRenderLayer":42,"./TextRenderLayer":43}],42:[function(require,module,exports){
-"use strict";
-var __extends = (this && this.__extends) || (function () {
- var extendStatics = function (d, b) {
- extendStatics = Object.setPrototypeOf ||
- ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
- function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
- return extendStatics(d, b);
- };
- return function (d, b) {
- extendStatics(d, b);
- function __() { this.constructor = d; }
- d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
- };
-})();
-Object.defineProperty(exports, "__esModule", { value: true });
-var BaseRenderLayer_1 = require("./BaseRenderLayer");
-var SelectionRenderLayer = (function (_super) {
- __extends(SelectionRenderLayer, _super);
- function SelectionRenderLayer(container, zIndex, colors) {
- var _this = _super.call(this, container, 'selection', zIndex, true, colors) || this;
- _this._clearState();
- return _this;
- }
- SelectionRenderLayer.prototype._clearState = function () {
- this._state = {
- start: null,
- end: null,
- columnSelectMode: null,
- ydisp: null
- };
- };
- SelectionRenderLayer.prototype.resize = function (terminal, dim) {
- _super.prototype.resize.call(this, terminal, dim);
- this._clearState();
- };
- SelectionRenderLayer.prototype.reset = function (terminal) {
- if (this._state.start && this._state.end) {
- this._clearState();
- this.clearAll();
- }
- };
- SelectionRenderLayer.prototype.onSelectionChanged = function (terminal, start, end, columnSelectMode) {
- if (!this._didStateChange(start, end, columnSelectMode, terminal.buffer.ydisp)) {
- return;
- }
- this.clearAll();
- if (!start || !end) {
- this._clearState();
- return;
- }
- var viewportStartRow = start[1] - terminal.buffer.ydisp;
- var viewportEndRow = end[1] - terminal.buffer.ydisp;
- var viewportCappedStartRow = Math.max(viewportStartRow, 0);
- var viewportCappedEndRow = Math.min(viewportEndRow, terminal.rows - 1);
- if (viewportCappedStartRow >= terminal.rows || viewportCappedEndRow < 0) {
- return;
- }
- this._ctx.fillStyle = this._colors.selection.css;
- if (columnSelectMode) {
- var startCol = start[0];
- var width = end[0] - startCol;
- var height = viewportCappedEndRow - viewportCappedStartRow + 1;
- this.fillCells(startCol, viewportCappedStartRow, width, height);
- }
- else {
- var startCol = viewportStartRow === viewportCappedStartRow ? start[0] : 0;
- var startRowEndCol = viewportCappedStartRow === viewportCappedEndRow ? end[0] : terminal.cols;
- this.fillCells(startCol, viewportCappedStartRow, startRowEndCol - startCol, 1);
- var middleRowsCount = Math.max(viewportCappedEndRow - viewportCappedStartRow - 1, 0);
- this.fillCells(0, viewportCappedStartRow + 1, terminal.cols, middleRowsCount);
- if (viewportCappedStartRow !== viewportCappedEndRow) {
- var endCol = viewportEndRow === viewportCappedEndRow ? end[0] : terminal.cols;
- this.fillCells(0, viewportCappedEndRow, endCol, 1);
- }
- }
- this._state.start = [start[0], start[1]];
- this._state.end = [end[0], end[1]];
- this._state.columnSelectMode = columnSelectMode;
- this._state.ydisp = terminal.buffer.ydisp;
- };
- SelectionRenderLayer.prototype._didStateChange = function (start, end, columnSelectMode, ydisp) {
- return !this._areCoordinatesEqual(start, this._state.start) ||
- !this._areCoordinatesEqual(end, this._state.end) ||
- columnSelectMode !== this._state.columnSelectMode ||
- ydisp !== this._state.ydisp;
- };
- SelectionRenderLayer.prototype._areCoordinatesEqual = function (coord1, coord2) {
- if (!coord1 || !coord2) {
- return false;
- }
- return coord1[0] === coord2[0] && coord1[1] === coord2[1];
- };
- return SelectionRenderLayer;
-}(BaseRenderLayer_1.BaseRenderLayer));
-exports.SelectionRenderLayer = SelectionRenderLayer;
-
-},{"./BaseRenderLayer":35}],43:[function(require,module,exports){
-"use strict";
-var __extends = (this && this.__extends) || (function () {
- var extendStatics = function (d, b) {
- extendStatics = Object.setPrototypeOf ||
- ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
- function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
- return extendStatics(d, b);
- };
- return function (d, b) {
- extendStatics(d, b);
- function __() { this.constructor = d; }
- d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
- };
-})();
-Object.defineProperty(exports, "__esModule", { value: true });
-var Buffer_1 = require("../Buffer");
-var GridCache_1 = require("./GridCache");
-var BaseRenderLayer_1 = require("./BaseRenderLayer");
-var BufferLine_1 = require("../BufferLine");
-var CharacterJoinerRegistry_1 = require("./CharacterJoinerRegistry");
-var TextRenderLayer = (function (_super) {
- __extends(TextRenderLayer, _super);
- function TextRenderLayer(container, zIndex, colors, characterJoinerRegistry, alpha) {
- var _this = _super.call(this, container, 'text', zIndex, alpha, colors) || this;
- _this._characterOverlapCache = {};
- _this._workCell = new BufferLine_1.CellData();
- _this._state = new GridCache_1.GridCache();
- _this._characterJoinerRegistry = characterJoinerRegistry;
- return _this;
- }
- TextRenderLayer.prototype.resize = function (terminal, dim) {
- _super.prototype.resize.call(this, terminal, dim);
- var terminalFont = this._getFont(terminal, false, false);
- if (this._characterWidth !== dim.scaledCharWidth || this._characterFont !== terminalFont) {
- this._characterWidth = dim.scaledCharWidth;
- this._characterFont = terminalFont;
- this._characterOverlapCache = {};
- }
- this._state.clear();
- this._state.resize(terminal.cols, terminal.rows);
- };
- TextRenderLayer.prototype.reset = function (terminal) {
- this._state.clear();
- this.clearAll();
- };
- TextRenderLayer.prototype._forEachCell = function (terminal, firstRow, lastRow, joinerRegistry, callback) {
- for (var y = firstRow; y <= lastRow; y++) {
- var row = y + terminal.buffer.ydisp;
- var line = terminal.buffer.lines.get(row);
- var joinedRanges = joinerRegistry ? joinerRegistry.getJoinedCharacters(row) : [];
- for (var x = 0; x < terminal.cols; x++) {
- line.loadCell(x, this._workCell);
- var cell = this._workCell;
- var isJoined = false;
- var lastCharX = x;
- if (cell.getWidth() === 0) {
- continue;
- }
- if (joinedRanges.length > 0 && x === joinedRanges[0][0]) {
- isJoined = true;
- var range = joinedRanges.shift();
- cell = new CharacterJoinerRegistry_1.JoinedCellData(this._workCell, line.translateToString(true, range[0], range[1]), range[1] - range[0]);
- lastCharX = range[1] - 1;
- }
- if (!isJoined && this._isOverlapping(cell)) {
- if (lastCharX < line.length - 1 && line.getCodePoint(lastCharX + 1) === Buffer_1.NULL_CELL_CODE) {
- cell.content &= ~12582912;
- cell.content |= 2 << 22;
- }
- }
- callback(cell, x, y);
- x = lastCharX;
- }
- }
- };
- TextRenderLayer.prototype._drawBackground = function (terminal, firstRow, lastRow) {
- var _this = this;
- var ctx = this._ctx;
- var cols = terminal.cols;
- var startX = 0;
- var startY = 0;
- var prevFillStyle = null;
- ctx.save();
- this._forEachCell(terminal, firstRow, lastRow, null, function (cell, x, y) {
- var nextFillStyle = null;
- if (cell.isInverse()) {
- if (cell.isFgDefault()) {
- nextFillStyle = _this._colors.foreground.css;
- }
- else if (cell.isFgRGB()) {
- nextFillStyle = "rgb(" + BufferLine_1.AttributeData.toColorRGB(cell.getFgColor()).join(',') + ")";
- }
- else {
- nextFillStyle = _this._colors.ansi[cell.getFgColor()].css;
- }
- }
- else if (cell.isBgRGB()) {
- nextFillStyle = "rgb(" + BufferLine_1.AttributeData.toColorRGB(cell.getBgColor()).join(',') + ")";
- }
- else if (cell.isBgPalette()) {
- nextFillStyle = _this._colors.ansi[cell.getBgColor()].css;
- }
- if (prevFillStyle === null) {
- startX = x;
- startY = y;
- }
- if (y !== startY) {
- ctx.fillStyle = prevFillStyle;
- _this.fillCells(startX, startY, cols - startX, 1);
- startX = x;
- startY = y;
- }
- else if (prevFillStyle !== nextFillStyle) {
- ctx.fillStyle = prevFillStyle;
- _this.fillCells(startX, startY, x - startX, 1);
- startX = x;
- startY = y;
- }
- prevFillStyle = nextFillStyle;
- });
- if (prevFillStyle !== null) {
- ctx.fillStyle = prevFillStyle;
- this.fillCells(startX, startY, cols - startX, 1);
- }
- ctx.restore();
- };
- TextRenderLayer.prototype._drawForeground = function (terminal, firstRow, lastRow) {
- var _this = this;
- this._forEachCell(terminal, firstRow, lastRow, this._characterJoinerRegistry, function (cell, x, y) {
- if (cell.isInvisible()) {
- return;
- }
- if (cell.isUnderline()) {
- _this._ctx.save();
- if (cell.isInverse()) {
- if (cell.isBgDefault()) {
- _this._ctx.fillStyle = _this._colors.background.css;
- }
- else if (cell.isBgRGB()) {
- _this._ctx.fillStyle = "rgb(" + BufferLine_1.AttributeData.toColorRGB(cell.getBgColor()).join(',') + ")";
- }
- else {
- _this._ctx.fillStyle = _this._colors.ansi[cell.getBgColor()].css;
- }
- }
- else {
- if (cell.isFgDefault()) {
- _this._ctx.fillStyle = _this._colors.foreground.css;
- }
- else if (cell.isFgRGB()) {
- _this._ctx.fillStyle = "rgb(" + BufferLine_1.AttributeData.toColorRGB(cell.getFgColor()).join(',') + ")";
- }
- else {
- var fg = cell.getFgColor();
- if (terminal.options.drawBoldTextInBrightColors && cell.isBold() && fg < 8) {
- fg += 8;
- }
- _this._ctx.fillStyle = _this._colors.ansi[fg].css;
- }
- }
- _this.fillBottomLineAtCells(x, y, cell.getWidth());
- _this._ctx.restore();
- }
- _this.drawChars(terminal, cell, x, y);
- });
- };
- TextRenderLayer.prototype.onGridChanged = function (terminal, firstRow, lastRow) {
- if (this._state.cache.length === 0) {
- return;
- }
- if (this._charAtlas) {
- this._charAtlas.beginFrame();
- }
- this.clearCells(0, firstRow, terminal.cols, lastRow - firstRow + 1);
- this._drawBackground(terminal, firstRow, lastRow);
- this._drawForeground(terminal, firstRow, lastRow);
- };
- TextRenderLayer.prototype.onOptionsChanged = function (terminal) {
- this.setTransparency(terminal, terminal.options.allowTransparency);
- };
- TextRenderLayer.prototype._isOverlapping = function (cell) {
- if (cell.getWidth() !== 1) {
- return false;
- }
- if (cell.getCode() < 256) {
- return false;
- }
- var chars = cell.getChars();
- if (this._characterOverlapCache.hasOwnProperty(chars)) {
- return this._characterOverlapCache[chars];
- }
- this._ctx.save();
- this._ctx.font = this._characterFont;
- var overlaps = Math.floor(this._ctx.measureText(chars).width) > this._characterWidth;
- this._ctx.restore();
- this._characterOverlapCache[chars] = overlaps;
- return overlaps;
- };
- return TextRenderLayer;
-}(BaseRenderLayer_1.BaseRenderLayer));
-exports.TextRenderLayer = TextRenderLayer;
-
-},{"../Buffer":2,"../BufferLine":3,"./BaseRenderLayer":35,"./CharacterJoinerRegistry":36,"./GridCache":39}],44:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var BaseCharAtlas = (function () {
- function BaseCharAtlas() {
- this._didWarmUp = false;
- }
- BaseCharAtlas.prototype.dispose = function () { };
- BaseCharAtlas.prototype.warmUp = function () {
- if (!this._didWarmUp) {
- this._doWarmUp();
- this._didWarmUp = true;
- }
- };
- BaseCharAtlas.prototype._doWarmUp = function () { };
- BaseCharAtlas.prototype.beginFrame = function () { };
- return BaseCharAtlas;
-}());
-exports.default = BaseCharAtlas;
-
-},{}],45:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var CharAtlasUtils_1 = require("./CharAtlasUtils");
-var DynamicCharAtlas_1 = require("./DynamicCharAtlas");
-var NoneCharAtlas_1 = require("./NoneCharAtlas");
-var StaticCharAtlas_1 = require("./StaticCharAtlas");
-var charAtlasImplementations = {
- 'none': NoneCharAtlas_1.default,
- 'static': StaticCharAtlas_1.default,
- 'dynamic': DynamicCharAtlas_1.default
-};
-var charAtlasCache = [];
-function acquireCharAtlas(terminal, colors, scaledCharWidth, scaledCharHeight) {
- var newConfig = CharAtlasUtils_1.generateConfig(scaledCharWidth, scaledCharHeight, terminal, colors);
- for (var i = 0; i < charAtlasCache.length; i++) {
- var entry = charAtlasCache[i];
- var ownedByIndex = entry.ownedBy.indexOf(terminal);
- if (ownedByIndex >= 0) {
- if (CharAtlasUtils_1.configEquals(entry.config, newConfig)) {
- return entry.atlas;
- }
- if (entry.ownedBy.length === 1) {
- entry.atlas.dispose();
- charAtlasCache.splice(i, 1);
- }
- else {
- entry.ownedBy.splice(ownedByIndex, 1);
- }
- break;
- }
- }
- for (var i = 0; i < charAtlasCache.length; i++) {
- var entry = charAtlasCache[i];
- if (CharAtlasUtils_1.configEquals(entry.config, newConfig)) {
- entry.ownedBy.push(terminal);
- return entry.atlas;
- }
- }
- var newEntry = {
- atlas: new charAtlasImplementations[terminal.options.experimentalCharAtlas](document, newConfig),
- config: newConfig,
- ownedBy: [terminal]
- };
- charAtlasCache.push(newEntry);
- return newEntry.atlas;
-}
-exports.acquireCharAtlas = acquireCharAtlas;
-function removeTerminalFromCache(terminal) {
- for (var i = 0; i < charAtlasCache.length; i++) {
- var index = charAtlasCache[i].ownedBy.indexOf(terminal);
- if (index !== -1) {
- if (charAtlasCache[i].ownedBy.length === 1) {
- charAtlasCache[i].atlas.dispose();
- charAtlasCache.splice(i, 1);
- }
- else {
- charAtlasCache[i].ownedBy.splice(index, 1);
- }
- break;
- }
- }
-}
-exports.removeTerminalFromCache = removeTerminalFromCache;
-
-},{"./CharAtlasUtils":47,"./DynamicCharAtlas":48,"./NoneCharAtlas":50,"./StaticCharAtlas":51}],46:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var Platform_1 = require("../../common/Platform");
-var Types_1 = require("./Types");
-function generateStaticCharAtlasTexture(context, canvasFactory, config) {
- var cellWidth = config.scaledCharWidth + Types_1.CHAR_ATLAS_CELL_SPACING;
- var cellHeight = config.scaledCharHeight + Types_1.CHAR_ATLAS_CELL_SPACING;
- var canvas = canvasFactory(255 * cellWidth, (2 + 16 + 16) * cellHeight);
- var ctx = canvas.getContext('2d', { alpha: config.allowTransparency });
- ctx.fillStyle = config.colors.background.css;
- ctx.fillRect(0, 0, canvas.width, canvas.height);
- ctx.save();
- ctx.fillStyle = config.colors.foreground.css;
- ctx.font = getFont(config.fontWeight, config);
- ctx.textBaseline = 'middle';
- for (var i = 0; i < 256; i++) {
- ctx.save();
- ctx.beginPath();
- ctx.rect(i * cellWidth, 0, cellWidth, cellHeight);
- ctx.clip();
- ctx.fillText(String.fromCharCode(i), i * cellWidth, cellHeight / 2);
- ctx.restore();
- }
- ctx.save();
- ctx.font = getFont(config.fontWeightBold, config);
- for (var i = 0; i < 256; i++) {
- ctx.save();
- ctx.beginPath();
- ctx.rect(i * cellWidth, cellHeight, cellWidth, cellHeight);
- ctx.clip();
- ctx.fillText(String.fromCharCode(i), i * cellWidth, cellHeight * 1.5);
- ctx.restore();
- }
- ctx.restore();
- ctx.font = getFont(config.fontWeight, config);
- for (var colorIndex = 0; colorIndex < 16; colorIndex++) {
- var y = (colorIndex + 2) * cellHeight;
- for (var i = 0; i < 256; i++) {
- ctx.save();
- ctx.beginPath();
- ctx.rect(i * cellWidth, y, cellWidth, cellHeight);
- ctx.clip();
- ctx.fillStyle = config.colors.ansi[colorIndex].css;
- ctx.fillText(String.fromCharCode(i), i * cellWidth, y + cellHeight / 2);
- ctx.restore();
- }
- }
- ctx.font = getFont(config.fontWeightBold, config);
- for (var colorIndex = 0; colorIndex < 16; colorIndex++) {
- var y = (colorIndex + 2 + 16) * cellHeight;
- for (var i = 0; i < 256; i++) {
- ctx.save();
- ctx.beginPath();
- ctx.rect(i * cellWidth, y, cellWidth, cellHeight);
- ctx.clip();
- ctx.fillStyle = config.colors.ansi[colorIndex].css;
- ctx.fillText(String.fromCharCode(i), i * cellWidth, y + cellHeight / 2);
- ctx.restore();
- }
- }
- ctx.restore();
- if (!('createImageBitmap' in context) || Platform_1.isFirefox || Platform_1.isSafari) {
- return canvas;
- }
- var charAtlasImageData = ctx.getImageData(0, 0, canvas.width, canvas.height);
- clearColor(charAtlasImageData, config.colors.background);
- return context.createImageBitmap(charAtlasImageData);
-}
-exports.generateStaticCharAtlasTexture = generateStaticCharAtlasTexture;
-function clearColor(imageData, color) {
- var isEmpty = true;
- var r = color.rgba >>> 24;
- var g = color.rgba >>> 16 & 0xFF;
- var b = color.rgba >>> 8 & 0xFF;
- for (var offset = 0; offset < imageData.data.length; offset += 4) {
- if (imageData.data[offset] === r &&
- imageData.data[offset + 1] === g &&
- imageData.data[offset + 2] === b) {
- imageData.data[offset + 3] = 0;
- }
- else {
- isEmpty = false;
- }
- }
- return isEmpty;
-}
-exports.clearColor = clearColor;
-function getFont(fontWeight, config) {
- return fontWeight + " " + config.fontSize * config.devicePixelRatio + "px " + config.fontFamily;
-}
-
-},{"../../common/Platform":27,"./Types":52}],47:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var Types_1 = require("./Types");
-function generateConfig(scaledCharWidth, scaledCharHeight, terminal, colors) {
- var clonedColors = {
- foreground: colors.foreground,
- background: colors.background,
- cursor: null,
- cursorAccent: null,
- selection: null,
- ansi: colors.ansi.slice(0, 16)
- };
- return {
- type: terminal.options.experimentalCharAtlas,
- devicePixelRatio: window.devicePixelRatio,
- scaledCharWidth: scaledCharWidth,
- scaledCharHeight: scaledCharHeight,
- fontFamily: terminal.options.fontFamily,
- fontSize: terminal.options.fontSize,
- fontWeight: terminal.options.fontWeight,
- fontWeightBold: terminal.options.fontWeightBold,
- allowTransparency: terminal.options.allowTransparency,
- colors: clonedColors
- };
-}
-exports.generateConfig = generateConfig;
-function configEquals(a, b) {
- for (var i = 0; i < a.colors.ansi.length; i++) {
- if (a.colors.ansi[i].rgba !== b.colors.ansi[i].rgba) {
- return false;
- }
- }
- return a.type === b.type &&
- a.devicePixelRatio === b.devicePixelRatio &&
- a.fontFamily === b.fontFamily &&
- a.fontSize === b.fontSize &&
- a.fontWeight === b.fontWeight &&
- a.fontWeightBold === b.fontWeightBold &&
- a.allowTransparency === b.allowTransparency &&
- a.scaledCharWidth === b.scaledCharWidth &&
- a.scaledCharHeight === b.scaledCharHeight &&
- a.colors.foreground === b.colors.foreground &&
- a.colors.background === b.colors.background;
-}
-exports.configEquals = configEquals;
-function is256Color(colorCode) {
- return colorCode < Types_1.DEFAULT_COLOR;
-}
-exports.is256Color = is256Color;
-
-},{"./Types":52}],48:[function(require,module,exports){
-"use strict";
-var __extends = (this && this.__extends) || (function () {
- var extendStatics = function (d, b) {
- extendStatics = Object.setPrototypeOf ||
- ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
- function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
- return extendStatics(d, b);
- };
- return function (d, b) {
- extendStatics(d, b);
- function __() { this.constructor = d; }
- d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
- };
-})();
-Object.defineProperty(exports, "__esModule", { value: true });
-var Types_1 = require("./Types");
-var BaseCharAtlas_1 = require("./BaseCharAtlas");
-var ColorManager_1 = require("../ColorManager");
-var CharAtlasGenerator_1 = require("./CharAtlasGenerator");
-var LRUMap_1 = require("./LRUMap");
-var Platform_1 = require("../../common/Platform");
-var TEXTURE_WIDTH = 1024;
-var TEXTURE_HEIGHT = 1024;
-var TRANSPARENT_COLOR = {
- css: 'rgba(0, 0, 0, 0)',
- rgba: 0
-};
-var FRAME_CACHE_DRAW_LIMIT = 100;
-var GLYPH_BITMAP_COMMIT_DELAY = 100;
-function getGlyphCacheKey(glyph) {
- return glyph.code << 21 | glyph.bg << 12 | glyph.fg << 3 | (glyph.bold ? 0 : 4) + (glyph.dim ? 0 : 2) + (glyph.italic ? 0 : 1);
-}
-exports.getGlyphCacheKey = getGlyphCacheKey;
-var DynamicCharAtlas = (function (_super) {
- __extends(DynamicCharAtlas, _super);
- function DynamicCharAtlas(document, _config) {
- var _this = _super.call(this) || this;
- _this._config = _config;
- _this._drawToCacheCount = 0;
- _this._glyphsWaitingOnBitmap = [];
- _this._bitmapCommitTimeout = null;
- _this._bitmap = null;
- _this._cacheCanvas = document.createElement('canvas');
- _this._cacheCanvas.width = TEXTURE_WIDTH;
- _this._cacheCanvas.height = TEXTURE_HEIGHT;
- _this._cacheCtx = _this._cacheCanvas.getContext('2d', { alpha: true });
- var tmpCanvas = document.createElement('canvas');
- tmpCanvas.width = _this._config.scaledCharWidth;
- tmpCanvas.height = _this._config.scaledCharHeight;
- _this._tmpCtx = tmpCanvas.getContext('2d', { alpha: _this._config.allowTransparency });
- _this._width = Math.floor(TEXTURE_WIDTH / _this._config.scaledCharWidth);
- _this._height = Math.floor(TEXTURE_HEIGHT / _this._config.scaledCharHeight);
- var capacity = _this._width * _this._height;
- _this._cacheMap = new LRUMap_1.default(capacity);
- _this._cacheMap.prealloc(capacity);
- return _this;
- }
- DynamicCharAtlas.prototype.dispose = function () {
- if (this._bitmapCommitTimeout !== null) {
- window.clearTimeout(this._bitmapCommitTimeout);
- this._bitmapCommitTimeout = null;
- }
- };
- DynamicCharAtlas.prototype.beginFrame = function () {
- this._drawToCacheCount = 0;
- };
- DynamicCharAtlas.prototype.draw = function (ctx, glyph, x, y) {
- if (glyph.code === 32) {
- return true;
- }
- if (!this._canCache(glyph)) {
- return false;
- }
- var glyphKey = getGlyphCacheKey(glyph);
- var cacheValue = this._cacheMap.get(glyphKey);
- if (cacheValue !== null && cacheValue !== undefined) {
- this._drawFromCache(ctx, cacheValue, x, y);
- return true;
- }
- else if (this._drawToCacheCount < FRAME_CACHE_DRAW_LIMIT) {
- var index = void 0;
- if (this._cacheMap.size < this._cacheMap.capacity) {
- index = this._cacheMap.size;
- }
- else {
- index = this._cacheMap.peek().index;
- }
- var cacheValue_1 = this._drawToCache(glyph, index);
- this._cacheMap.set(glyphKey, cacheValue_1);
- this._drawFromCache(ctx, cacheValue_1, x, y);
- return true;
- }
- return false;
- };
- DynamicCharAtlas.prototype._canCache = function (glyph) {
- return glyph.code < 256;
- };
- DynamicCharAtlas.prototype._toCoordinateX = function (index) {
- return (index % this._width) * this._config.scaledCharWidth;
- };
- DynamicCharAtlas.prototype._toCoordinateY = function (index) {
- return Math.floor(index / this._width) * this._config.scaledCharHeight;
- };
- DynamicCharAtlas.prototype._drawFromCache = function (ctx, cacheValue, x, y) {
- if (cacheValue.isEmpty) {
- return;
- }
- var cacheX = this._toCoordinateX(cacheValue.index);
- var cacheY = this._toCoordinateY(cacheValue.index);
- ctx.drawImage(cacheValue.inBitmap ? this._bitmap : this._cacheCanvas, cacheX, cacheY, this._config.scaledCharWidth, this._config.scaledCharHeight, x, y, this._config.scaledCharWidth, this._config.scaledCharHeight);
- };
- DynamicCharAtlas.prototype._getColorFromAnsiIndex = function (idx) {
- if (idx < this._config.colors.ansi.length) {
- return this._config.colors.ansi[idx];
- }
- return ColorManager_1.DEFAULT_ANSI_COLORS[idx];
- };
- DynamicCharAtlas.prototype._getBackgroundColor = function (glyph) {
- if (this._config.allowTransparency) {
- return TRANSPARENT_COLOR;
- }
- else if (glyph.bg === Types_1.INVERTED_DEFAULT_COLOR) {
- return this._config.colors.foreground;
- }
- else if (glyph.bg < 256) {
- return this._getColorFromAnsiIndex(glyph.bg);
- }
- return this._config.colors.background;
- };
- DynamicCharAtlas.prototype._getForegroundColor = function (glyph) {
- if (glyph.fg === Types_1.INVERTED_DEFAULT_COLOR) {
- return this._config.colors.background;
- }
- else if (glyph.fg < 256) {
- return this._getColorFromAnsiIndex(glyph.fg);
- }
- return this._config.colors.foreground;
- };
- DynamicCharAtlas.prototype._drawToCache = function (glyph, index) {
- this._drawToCacheCount++;
- this._tmpCtx.save();
- var backgroundColor = this._getBackgroundColor(glyph);
- this._tmpCtx.globalCompositeOperation = 'copy';
- this._tmpCtx.fillStyle = backgroundColor.css;
- this._tmpCtx.fillRect(0, 0, this._config.scaledCharWidth, this._config.scaledCharHeight);
- this._tmpCtx.globalCompositeOperation = 'source-over';
- var fontWeight = glyph.bold ? this._config.fontWeightBold : this._config.fontWeight;
- var fontStyle = glyph.italic ? 'italic' : '';
- this._tmpCtx.font =
- fontStyle + " " + fontWeight + " " + this._config.fontSize * this._config.devicePixelRatio + "px " + this._config.fontFamily;
- this._tmpCtx.textBaseline = 'middle';
- this._tmpCtx.fillStyle = this._getForegroundColor(glyph).css;
- if (glyph.dim) {
- this._tmpCtx.globalAlpha = Types_1.DIM_OPACITY;
- }
- this._tmpCtx.fillText(glyph.chars, 0, this._config.scaledCharHeight / 2);
- this._tmpCtx.restore();
- var imageData = this._tmpCtx.getImageData(0, 0, this._config.scaledCharWidth, this._config.scaledCharHeight);
- var isEmpty = false;
- if (!this._config.allowTransparency) {
- isEmpty = CharAtlasGenerator_1.clearColor(imageData, backgroundColor);
- }
- var x = this._toCoordinateX(index);
- var y = this._toCoordinateY(index);
- this._cacheCtx.putImageData(imageData, x, y);
- var cacheValue = {
- index: index,
- isEmpty: isEmpty,
- inBitmap: false
- };
- this._addGlyphToBitmap(cacheValue);
- return cacheValue;
- };
- DynamicCharAtlas.prototype._addGlyphToBitmap = function (cacheValue) {
- var _this = this;
- if (!('createImageBitmap' in window) || Platform_1.isFirefox || Platform_1.isSafari) {
- return;
- }
- this._glyphsWaitingOnBitmap.push(cacheValue);
- if (this._bitmapCommitTimeout !== null) {
- return;
- }
- this._bitmapCommitTimeout = window.setTimeout(function () { return _this._generateBitmap(); }, GLYPH_BITMAP_COMMIT_DELAY);
- };
- DynamicCharAtlas.prototype._generateBitmap = function () {
- var _this = this;
- var glyphsMovingToBitmap = this._glyphsWaitingOnBitmap;
- this._glyphsWaitingOnBitmap = [];
- window.createImageBitmap(this._cacheCanvas).then(function (bitmap) {
- _this._bitmap = bitmap;
- for (var i = 0; i < glyphsMovingToBitmap.length; i++) {
- var value = glyphsMovingToBitmap[i];
- value.inBitmap = true;
- }
- });
- this._bitmapCommitTimeout = null;
- };
- return DynamicCharAtlas;
-}(BaseCharAtlas_1.default));
-exports.default = DynamicCharAtlas;
-
-},{"../../common/Platform":27,"../ColorManager":37,"./BaseCharAtlas":44,"./CharAtlasGenerator":46,"./LRUMap":49,"./Types":52}],49:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var LRUMap = (function () {
- function LRUMap(capacity) {
- this.capacity = capacity;
- this._map = {};
- this._head = null;
- this._tail = null;
- this._nodePool = [];
- this.size = 0;
- }
- LRUMap.prototype._unlinkNode = function (node) {
- var prev = node.prev;
- var next = node.next;
- if (node === this._head) {
- this._head = next;
- }
- if (node === this._tail) {
- this._tail = prev;
- }
- if (prev !== null) {
- prev.next = next;
- }
- if (next !== null) {
- next.prev = prev;
- }
- };
- LRUMap.prototype._appendNode = function (node) {
- var tail = this._tail;
- if (tail !== null) {
- tail.next = node;
- }
- node.prev = tail;
- node.next = null;
- this._tail = node;
- if (this._head === null) {
- this._head = node;
- }
- };
- LRUMap.prototype.prealloc = function (count) {
- var nodePool = this._nodePool;
- for (var i = 0; i < count; i++) {
- nodePool.push({
- prev: null,
- next: null,
- key: null,
- value: null
- });
- }
- };
- LRUMap.prototype.get = function (key) {
- var node = this._map[key];
- if (node !== undefined) {
- this._unlinkNode(node);
- this._appendNode(node);
- return node.value;
- }
- return null;
- };
- LRUMap.prototype.peekValue = function (key) {
- var node = this._map[key];
- if (node !== undefined) {
- return node.value;
- }
- return null;
- };
- LRUMap.prototype.peek = function () {
- var head = this._head;
- return head === null ? null : head.value;
- };
- LRUMap.prototype.set = function (key, value) {
- var node = this._map[key];
- if (node !== undefined) {
- node = this._map[key];
- this._unlinkNode(node);
- node.value = value;
- }
- else if (this.size >= this.capacity) {
- node = this._head;
- this._unlinkNode(node);
- delete this._map[node.key];
- node.key = key;
- node.value = value;
- this._map[key] = node;
- }
- else {
- var nodePool = this._nodePool;
- if (nodePool.length > 0) {
- node = nodePool.pop();
- node.key = key;
- node.value = value;
- }
- else {
- node = {
- prev: null,
- next: null,
- key: key,
- value: value
- };
- }
- this._map[key] = node;
- this.size++;
- }
- this._appendNode(node);
- };
- return LRUMap;
-}());
-exports.default = LRUMap;
-
-},{}],50:[function(require,module,exports){
-"use strict";
-var __extends = (this && this.__extends) || (function () {
- var extendStatics = function (d, b) {
- extendStatics = Object.setPrototypeOf ||
- ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
- function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
- return extendStatics(d, b);
- };
- return function (d, b) {
- extendStatics(d, b);
- function __() { this.constructor = d; }
- d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
- };
-})();
-Object.defineProperty(exports, "__esModule", { value: true });
-var BaseCharAtlas_1 = require("./BaseCharAtlas");
-var NoneCharAtlas = (function (_super) {
- __extends(NoneCharAtlas, _super);
- function NoneCharAtlas(document, config) {
- return _super.call(this) || this;
- }
- NoneCharAtlas.prototype.draw = function (ctx, glyph, x, y) {
- return false;
- };
- return NoneCharAtlas;
-}(BaseCharAtlas_1.default));
-exports.default = NoneCharAtlas;
-
-},{"./BaseCharAtlas":44}],51:[function(require,module,exports){
-"use strict";
-var __extends = (this && this.__extends) || (function () {
- var extendStatics = function (d, b) {
- extendStatics = Object.setPrototypeOf ||
- ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
- function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
- return extendStatics(d, b);
- };
- return function (d, b) {
- extendStatics(d, b);
- function __() { this.constructor = d; }
- d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
- };
-})();
-Object.defineProperty(exports, "__esModule", { value: true });
-var Types_1 = require("./Types");
-var CharAtlasGenerator_1 = require("./CharAtlasGenerator");
-var BaseCharAtlas_1 = require("./BaseCharAtlas");
-var CharAtlasUtils_1 = require("./CharAtlasUtils");
-var StaticCharAtlas = (function (_super) {
- __extends(StaticCharAtlas, _super);
- function StaticCharAtlas(_document, _config) {
- var _this = _super.call(this) || this;
- _this._document = _document;
- _this._config = _config;
- _this._canvasFactory = function (width, height) {
- var canvas = _this._document.createElement('canvas');
- canvas.width = width;
- canvas.height = height;
- return canvas;
- };
- return _this;
- }
- StaticCharAtlas.prototype._doWarmUp = function () {
- var _this = this;
- var result = CharAtlasGenerator_1.generateStaticCharAtlasTexture(window, this._canvasFactory, this._config);
- if (result instanceof HTMLCanvasElement) {
- this._texture = result;
- }
- else {
- result.then(function (texture) {
- _this._texture = texture;
- });
- }
- };
- StaticCharAtlas.prototype._isCached = function (glyph, colorIndex) {
- var isAscii = glyph.code < 256;
- var isBasicColor = glyph.fg < 16;
- var isDefaultColor = glyph.fg === Types_1.DEFAULT_COLOR;
- var isDefaultBackground = glyph.bg === Types_1.DEFAULT_COLOR;
- return isAscii && (isBasicColor || isDefaultColor) && isDefaultBackground && !glyph.italic;
- };
- StaticCharAtlas.prototype.draw = function (ctx, glyph, x, y) {
- if (this._texture === null || this._texture === undefined) {
- return false;
- }
- var colorIndex = 0;
- if (CharAtlasUtils_1.is256Color(glyph.fg)) {
- colorIndex = 2 + glyph.fg + (glyph.bold ? 16 : 0);
- }
- else if (glyph.fg === Types_1.DEFAULT_COLOR) {
- if (glyph.bold) {
- colorIndex = 1;
- }
- }
- if (!this._isCached(glyph, colorIndex)) {
- return false;
- }
- ctx.save();
- var charAtlasCellWidth = this._config.scaledCharWidth + Types_1.CHAR_ATLAS_CELL_SPACING;
- var charAtlasCellHeight = this._config.scaledCharHeight + Types_1.CHAR_ATLAS_CELL_SPACING;
- if (glyph.dim) {
- ctx.globalAlpha = Types_1.DIM_OPACITY;
- }
- ctx.drawImage(this._texture, glyph.code * charAtlasCellWidth, colorIndex * charAtlasCellHeight, charAtlasCellWidth, this._config.scaledCharHeight, x, y, charAtlasCellWidth, this._config.scaledCharHeight);
- ctx.restore();
- return true;
- };
- return StaticCharAtlas;
-}(BaseCharAtlas_1.default));
-exports.default = StaticCharAtlas;
-
-},{"./BaseCharAtlas":44,"./CharAtlasGenerator":46,"./CharAtlasUtils":47,"./Types":52}],52:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.DEFAULT_COLOR = 256;
-exports.INVERTED_DEFAULT_COLOR = 257;
-exports.DIM_OPACITY = 0.5;
-exports.CHAR_ATLAS_CELL_SPACING = 1;
-
-},{}],53:[function(require,module,exports){
-"use strict";
-var __extends = (this && this.__extends) || (function () {
- var extendStatics = function (d, b) {
- extendStatics = Object.setPrototypeOf ||
- ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
- function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
- return extendStatics(d, b);
- };
- return function (d, b) {
- extendStatics(d, b);
- function __() { this.constructor = d; }
- d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
- };
-})();
-Object.defineProperty(exports, "__esModule", { value: true });
-var ColorManager_1 = require("../ColorManager");
-var RenderDebouncer_1 = require("../../ui/RenderDebouncer");
-var DomRendererRowFactory_1 = require("./DomRendererRowFactory");
-var Types_1 = require("../atlas/Types");
-var EventEmitter2_1 = require("../../common/EventEmitter2");
-var Lifecycle_1 = require("../../common/Lifecycle");
-var TERMINAL_CLASS_PREFIX = 'xterm-dom-renderer-owner-';
-var ROW_CONTAINER_CLASS = 'xterm-rows';
-var FG_CLASS_PREFIX = 'xterm-fg-';
-var BG_CLASS_PREFIX = 'xterm-bg-';
-var FOCUS_CLASS = 'xterm-focus';
-var SELECTION_CLASS = 'xterm-selection';
-var nextTerminalId = 1;
-var DomRenderer = (function (_super) {
- __extends(DomRenderer, _super);
- function DomRenderer(_terminal, theme) {
- var _this = _super.call(this) || this;
- _this._terminal = _terminal;
- _this._terminalClass = nextTerminalId++;
- _this._rowElements = [];
- _this._onCanvasResize = new EventEmitter2_1.EventEmitter2();
- _this._onRender = new EventEmitter2_1.EventEmitter2();
- var allowTransparency = _this._terminal.options.allowTransparency;
- _this.colorManager = new ColorManager_1.ColorManager(document, allowTransparency);
- _this.setTheme(theme);
- _this._rowContainer = document.createElement('div');
- _this._rowContainer.classList.add(ROW_CONTAINER_CLASS);
- _this._rowContainer.style.lineHeight = 'normal';
- _this._rowContainer.setAttribute('aria-hidden', 'true');
- _this._refreshRowElements(_this._terminal.cols, _this._terminal.rows);
- _this._selectionContainer = document.createElement('div');
- _this._selectionContainer.classList.add(SELECTION_CLASS);
- _this._selectionContainer.setAttribute('aria-hidden', 'true');
- _this.dimensions = {
- scaledCharWidth: null,
- scaledCharHeight: null,
- scaledCellWidth: null,
- scaledCellHeight: null,
- scaledCharLeft: null,
- scaledCharTop: null,
- scaledCanvasWidth: null,
- scaledCanvasHeight: null,
- canvasWidth: null,
- canvasHeight: null,
- actualCellWidth: null,
- actualCellHeight: null
- };
- _this._updateDimensions();
- _this._renderDebouncer = new RenderDebouncer_1.RenderDebouncer(_this._renderRows.bind(_this));
- _this._rowFactory = new DomRendererRowFactory_1.DomRendererRowFactory(_terminal.options, document);
- _this._terminal.element.classList.add(TERMINAL_CLASS_PREFIX + _this._terminalClass);
- _this._terminal.screenElement.appendChild(_this._rowContainer);
- _this._terminal.screenElement.appendChild(_this._selectionContainer);
- _this._terminal.linkifier.onLinkHover(function (e) { return _this._onLinkHover(e); });
- _this._terminal.linkifier.onLinkLeave(function (e) { return _this._onLinkLeave(e); });
- return _this;
- }
- Object.defineProperty(DomRenderer.prototype, "onCanvasResize", {
- get: function () { return this._onCanvasResize.event; },
- enumerable: true,
- configurable: true
- });
- Object.defineProperty(DomRenderer.prototype, "onRender", {
- get: function () { return this._onRender.event; },
- enumerable: true,
- configurable: true
- });
- DomRenderer.prototype.dispose = function () {
- this._terminal.element.classList.remove(TERMINAL_CLASS_PREFIX + this._terminalClass);
- this._terminal.screenElement.removeChild(this._rowContainer);
- this._terminal.screenElement.removeChild(this._selectionContainer);
- this._terminal.screenElement.removeChild(this._themeStyleElement);
- this._terminal.screenElement.removeChild(this._dimensionsStyleElement);
- _super.prototype.dispose.call(this);
- };
- DomRenderer.prototype._updateDimensions = function () {
- var _this = this;
- this.dimensions.scaledCharWidth = Math.floor(this._terminal.charMeasure.width * window.devicePixelRatio);
- this.dimensions.scaledCharHeight = Math.ceil(this._terminal.charMeasure.height * window.devicePixelRatio);
- this.dimensions.scaledCellWidth = this.dimensions.scaledCharWidth + Math.round(this._terminal.options.letterSpacing);
- this.dimensions.scaledCellHeight = Math.floor(this.dimensions.scaledCharHeight * this._terminal.options.lineHeight);
- this.dimensions.scaledCharLeft = 0;
- this.dimensions.scaledCharTop = 0;
- this.dimensions.scaledCanvasWidth = this.dimensions.scaledCellWidth * this._terminal.cols;
- this.dimensions.scaledCanvasHeight = this.dimensions.scaledCellHeight * this._terminal.rows;
- this.dimensions.canvasWidth = Math.round(this.dimensions.scaledCanvasWidth / window.devicePixelRatio);
- this.dimensions.canvasHeight = Math.round(this.dimensions.scaledCanvasHeight / window.devicePixelRatio);
- this.dimensions.actualCellWidth = this.dimensions.canvasWidth / this._terminal.cols;
- this.dimensions.actualCellHeight = this.dimensions.canvasHeight / this._terminal.rows;
- this._rowElements.forEach(function (element) {
- element.style.width = _this.dimensions.canvasWidth + "px";
- element.style.height = _this.dimensions.actualCellHeight + "px";
- element.style.lineHeight = _this.dimensions.actualCellHeight + "px";
- element.style.overflow = 'hidden';
- });
- if (!this._dimensionsStyleElement) {
- this._dimensionsStyleElement = document.createElement('style');
- this._terminal.screenElement.appendChild(this._dimensionsStyleElement);
- }
- var styles = this._terminalSelector + " ." + ROW_CONTAINER_CLASS + " span {" +
- " display: inline-block;" +
- " height: 100%;" +
- " vertical-align: top;" +
- (" width: " + this.dimensions.actualCellWidth + "px") +
- "}";
- this._dimensionsStyleElement.innerHTML = styles;
- this._selectionContainer.style.height = this._terminal._viewportElement.style.height;
- this._terminal.screenElement.style.width = this.dimensions.canvasWidth + "px";
- this._terminal.screenElement.style.height = this.dimensions.canvasHeight + "px";
- };
- DomRenderer.prototype.setTheme = function (theme) {
- var _this = this;
- if (theme) {
- this.colorManager.setTheme(theme);
- }
- if (!this._themeStyleElement) {
- this._themeStyleElement = document.createElement('style');
- this._terminal.screenElement.appendChild(this._themeStyleElement);
- }
- var styles = this._terminalSelector + " ." + ROW_CONTAINER_CLASS + " {" +
- (" color: " + this.colorManager.colors.foreground.css + ";") +
- (" background-color: " + this.colorManager.colors.background.css + ";") +
- (" font-family: " + this._terminal.getOption('fontFamily') + ";") +
- (" font-size: " + this._terminal.getOption('fontSize') + "px;") +
- "}";
- styles +=
- this._terminalSelector + " span:not(." + DomRendererRowFactory_1.BOLD_CLASS + ") {" +
- (" font-weight: " + this._terminal.options.fontWeight + ";") +
- "}" +
- (this._terminalSelector + " span." + DomRendererRowFactory_1.BOLD_CLASS + " {") +
- (" font-weight: " + this._terminal.options.fontWeightBold + ";") +
- "}" +
- (this._terminalSelector + " span." + DomRendererRowFactory_1.ITALIC_CLASS + " {") +
- " font-style: italic;" +
- "}";
- styles +=
- "@keyframes blink {" +
- " 0% { opacity: 1.0; }" +
- " 50% { opacity: 0.0; }" +
- " 100% { opacity: 1.0; }" +
- "}";
- styles +=
- this._terminalSelector + " ." + ROW_CONTAINER_CLASS + ":not(." + FOCUS_CLASS + ") ." + DomRendererRowFactory_1.CURSOR_CLASS + " {" +
- (" outline: 1px solid " + this.colorManager.colors.cursor.css + ";") +
- " outline-offset: -1px;" +
- "}" +
- (this._terminalSelector + " ." + ROW_CONTAINER_CLASS + "." + FOCUS_CLASS + " ." + DomRendererRowFactory_1.CURSOR_CLASS + "." + DomRendererRowFactory_1.CURSOR_BLINK_CLASS + " {") +
- " animation: blink 1s step-end infinite;" +
- "}" +
- (this._terminalSelector + " ." + ROW_CONTAINER_CLASS + "." + FOCUS_CLASS + " ." + DomRendererRowFactory_1.CURSOR_CLASS + "." + DomRendererRowFactory_1.CURSOR_STYLE_BLOCK_CLASS + " {") +
- (" background-color: " + this.colorManager.colors.cursor.css + ";") +
- (" color: " + this.colorManager.colors.cursorAccent.css + ";") +
- "}" +
- (this._terminalSelector + " ." + ROW_CONTAINER_CLASS + "." + FOCUS_CLASS + " ." + DomRendererRowFactory_1.CURSOR_CLASS + "." + DomRendererRowFactory_1.CURSOR_STYLE_BAR_CLASS + " {") +
- (" box-shadow: 1px 0 0 " + this.colorManager.colors.cursor.css + " inset;") +
- "}" +
- (this._terminalSelector + " ." + ROW_CONTAINER_CLASS + "." + FOCUS_CLASS + " ." + DomRendererRowFactory_1.CURSOR_CLASS + "." + DomRendererRowFactory_1.CURSOR_STYLE_UNDERLINE_CLASS + " {") +
- (" box-shadow: 0 -1px 0 " + this.colorManager.colors.cursor.css + " inset;") +
- "}";
- styles +=
- this._terminalSelector + " ." + SELECTION_CLASS + " {" +
- " position: absolute;" +
- " top: 0;" +
- " left: 0;" +
- " z-index: 1;" +
- " pointer-events: none;" +
- "}" +
- (this._terminalSelector + " ." + SELECTION_CLASS + " div {") +
- " position: absolute;" +
- (" background-color: " + this.colorManager.colors.selection.css + ";") +
- "}";
- this.colorManager.colors.ansi.forEach(function (c, i) {
- styles +=
- _this._terminalSelector + " ." + FG_CLASS_PREFIX + i + " { color: " + c.css + "; }" +
- (_this._terminalSelector + " ." + BG_CLASS_PREFIX + i + " { background-color: " + c.css + "; }");
- });
- styles +=
- this._terminalSelector + " ." + FG_CLASS_PREFIX + Types_1.INVERTED_DEFAULT_COLOR + " { color: " + this.colorManager.colors.background.css + "; }" +
- (this._terminalSelector + " ." + BG_CLASS_PREFIX + Types_1.INVERTED_DEFAULT_COLOR + " { background-color: " + this.colorManager.colors.foreground.css + "; }");
- this._themeStyleElement.innerHTML = styles;
- return this.colorManager.colors;
- };
- DomRenderer.prototype.onWindowResize = function (devicePixelRatio) {
- this._updateDimensions();
- };
- DomRenderer.prototype._refreshRowElements = function (cols, rows) {
- for (var i = this._rowElements.length; i <= rows; i++) {
- var row = document.createElement('div');
- this._rowContainer.appendChild(row);
- this._rowElements.push(row);
- }
- while (this._rowElements.length > rows) {
- this._rowContainer.removeChild(this._rowElements.pop());
- }
- };
- DomRenderer.prototype.onResize = function (cols, rows) {
- this._refreshRowElements(cols, rows);
- this._updateDimensions();
- this._onCanvasResize.fire({
- width: this.dimensions.canvasWidth,
- height: this.dimensions.canvasHeight
- });
- };
- DomRenderer.prototype.onCharSizeChanged = function () {
- this._updateDimensions();
- };
- DomRenderer.prototype.onBlur = function () {
- this._rowContainer.classList.remove(FOCUS_CLASS);
- };
- DomRenderer.prototype.onFocus = function () {
- this._rowContainer.classList.add(FOCUS_CLASS);
- };
- DomRenderer.prototype.onSelectionChanged = function (start, end, columnSelectMode) {
- while (this._selectionContainer.children.length) {
- this._selectionContainer.removeChild(this._selectionContainer.children[0]);
- }
- if (!start || !end) {
- return;
- }
- var viewportStartRow = start[1] - this._terminal.buffer.ydisp;
- var viewportEndRow = end[1] - this._terminal.buffer.ydisp;
- var viewportCappedStartRow = Math.max(viewportStartRow, 0);
- var viewportCappedEndRow = Math.min(viewportEndRow, this._terminal.rows - 1);
- if (viewportCappedStartRow >= this._terminal.rows || viewportCappedEndRow < 0) {
- return;
- }
- var documentFragment = document.createDocumentFragment();
- if (columnSelectMode) {
- documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow, start[0], end[0], viewportCappedEndRow - viewportCappedStartRow + 1));
- }
- else {
- var startCol = viewportStartRow === viewportCappedStartRow ? start[0] : 0;
- var endCol = viewportCappedStartRow === viewportCappedEndRow ? end[0] : this._terminal.cols;
- documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow, startCol, endCol));
- var middleRowsCount = viewportCappedEndRow - viewportCappedStartRow - 1;
- documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow + 1, 0, this._terminal.cols, middleRowsCount));
- if (viewportCappedStartRow !== viewportCappedEndRow) {
- var endCol_1 = viewportEndRow === viewportCappedEndRow ? end[0] : this._terminal.cols;
- documentFragment.appendChild(this._createSelectionElement(viewportCappedEndRow, 0, endCol_1));
- }
- }
- this._selectionContainer.appendChild(documentFragment);
- };
- DomRenderer.prototype._createSelectionElement = function (row, colStart, colEnd, rowCount) {
- if (rowCount === void 0) { rowCount = 1; }
- var element = document.createElement('div');
- element.style.height = rowCount * this.dimensions.actualCellHeight + "px";
- element.style.top = row * this.dimensions.actualCellHeight + "px";
- element.style.left = colStart * this.dimensions.actualCellWidth + "px";
- element.style.width = this.dimensions.actualCellWidth * (colEnd - colStart) + "px";
- return element;
- };
- DomRenderer.prototype.onCursorMove = function () {
- };
- DomRenderer.prototype.onOptionsChanged = function () {
- this._updateDimensions();
- this.setTheme(undefined);
- this._terminal.refresh(0, this._terminal.rows - 1);
- };
- DomRenderer.prototype.clear = function () {
- this._rowElements.forEach(function (e) { return e.innerHTML = ''; });
- };
- DomRenderer.prototype.refreshRows = function (start, end) {
- this._renderDebouncer.refresh(start, end, this._terminal.rows);
- };
- DomRenderer.prototype._renderRows = function (start, end) {
- var terminal = this._terminal;
- var cursorAbsoluteY = terminal.buffer.ybase + terminal.buffer.y;
- var cursorX = this._terminal.buffer.x;
- var cursorBlink = this._terminal.options.cursorBlink;
- for (var y = start; y <= end; y++) {
- var rowElement = this._rowElements[y];
- rowElement.innerHTML = '';
- var row = y + terminal.buffer.ydisp;
- var lineData = terminal.buffer.lines.get(row);
- var cursorStyle = terminal.options.cursorStyle;
- rowElement.appendChild(this._rowFactory.createRow(lineData, row === cursorAbsoluteY, cursorStyle, cursorX, cursorBlink, this.dimensions.actualCellWidth, terminal.cols));
- }
- this._onRender.fire({ start: start, end: end });
- };
- Object.defineProperty(DomRenderer.prototype, "_terminalSelector", {
- get: function () {
- return "." + TERMINAL_CLASS_PREFIX + this._terminalClass;
- },
- enumerable: true,
- configurable: true
- });
- DomRenderer.prototype.registerCharacterJoiner = function (handler) { return -1; };
- DomRenderer.prototype.deregisterCharacterJoiner = function (joinerId) { return false; };
- DomRenderer.prototype._onLinkHover = function (e) {
- this._setCellUnderline(e.x1, e.x2, e.y1, e.y2, e.cols, true);
- };
- DomRenderer.prototype._onLinkLeave = function (e) {
- this._setCellUnderline(e.x1, e.x2, e.y1, e.y2, e.cols, false);
- };
- DomRenderer.prototype._setCellUnderline = function (x, x2, y, y2, cols, enabled) {
- while (x !== x2 || y !== y2) {
- var row = this._rowElements[y];
- if (!row) {
- return;
- }
- var span = row.children[x];
- if (span) {
- span.style.textDecoration = enabled ? 'underline' : 'none';
- }
- if (++x >= cols) {
- x = 0;
- y++;
- }
- }
- };
- return DomRenderer;
-}(Lifecycle_1.Disposable));
-exports.DomRenderer = DomRenderer;
-
-},{"../../common/EventEmitter2":25,"../../common/Lifecycle":26,"../../ui/RenderDebouncer":56,"../ColorManager":37,"../atlas/Types":52,"./DomRendererRowFactory":54}],54:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var Buffer_1 = require("../../Buffer");
-var Types_1 = require("../atlas/Types");
-var BufferLine_1 = require("../../BufferLine");
-exports.BOLD_CLASS = 'xterm-bold';
-exports.DIM_CLASS = 'xterm-dim';
-exports.ITALIC_CLASS = 'xterm-italic';
-exports.UNDERLINE_CLASS = 'xterm-underline';
-exports.CURSOR_CLASS = 'xterm-cursor';
-exports.CURSOR_BLINK_CLASS = 'xterm-cursor-blink';
-exports.CURSOR_STYLE_BLOCK_CLASS = 'xterm-cursor-block';
-exports.CURSOR_STYLE_BAR_CLASS = 'xterm-cursor-bar';
-exports.CURSOR_STYLE_UNDERLINE_CLASS = 'xterm-cursor-underline';
-var DomRendererRowFactory = (function () {
- function DomRendererRowFactory(_terminalOptions, _document) {
- this._terminalOptions = _terminalOptions;
- this._document = _document;
- this._workCell = new BufferLine_1.CellData();
- }
- DomRendererRowFactory.prototype.createRow = function (lineData, isCursorRow, cursorStyle, cursorX, cursorBlink, cellWidth, cols) {
- var fragment = this._document.createDocumentFragment();
- var lineLength = 0;
- for (var x = Math.min(lineData.length, cols) - 1; x >= 0; x--) {
- if (lineData.loadCell(x, this._workCell).getCode() !== Buffer_1.NULL_CELL_CODE || (isCursorRow && x === cursorX)) {
- lineLength = x + 1;
- break;
- }
- }
- for (var x = 0; x < lineLength; x++) {
- lineData.loadCell(x, this._workCell);
- var width = this._workCell.getWidth();
- if (width === 0) {
- continue;
- }
- var charElement = this._document.createElement('span');
- if (width > 1) {
- charElement.style.width = cellWidth * width + "px";
- }
- if (isCursorRow && x === cursorX) {
- charElement.classList.add(exports.CURSOR_CLASS);
- if (cursorBlink) {
- charElement.classList.add(exports.CURSOR_BLINK_CLASS);
- }
- switch (cursorStyle) {
- case 'bar':
- charElement.classList.add(exports.CURSOR_STYLE_BAR_CLASS);
- break;
- case 'underline':
- charElement.classList.add(exports.CURSOR_STYLE_UNDERLINE_CLASS);
- break;
- default:
- charElement.classList.add(exports.CURSOR_STYLE_BLOCK_CLASS);
- break;
- }
- }
- if (this._workCell.isBold() && this._terminalOptions.enableBold) {
- charElement.classList.add(exports.BOLD_CLASS);
- }
- if (this._workCell.isItalic()) {
- charElement.classList.add(exports.ITALIC_CLASS);
- }
- if (this._workCell.isDim()) {
- charElement.classList.add(exports.DIM_CLASS);
- }
- if (this._workCell.isUnderline()) {
- charElement.classList.add(exports.UNDERLINE_CLASS);
- }
- charElement.textContent = this._workCell.getChars() || Buffer_1.WHITESPACE_CELL_CHAR;
- var swapColor = this._workCell.isInverse();
- if (this._workCell.isFgRGB()) {
- var style = charElement.getAttribute('style') || '';
- style += (swapColor ? 'background-' : '') + "color:rgb(" + (BufferLine_1.AttributeData.toColorRGB(this._workCell.getFgColor())).join(',') + ");";
- charElement.setAttribute('style', style);
- }
- else if (this._workCell.isFgPalette()) {
- var fg = this._workCell.getFgColor();
- if (this._workCell.isBold() && fg < 8 && !swapColor &&
- this._terminalOptions.enableBold && this._terminalOptions.drawBoldTextInBrightColors) {
- fg += 8;
- }
- charElement.classList.add("xterm-" + (swapColor ? 'b' : 'f') + "g-" + fg);
- }
- else if (swapColor) {
- charElement.classList.add("xterm-bg-" + Types_1.INVERTED_DEFAULT_COLOR);
- }
- if (this._workCell.isBgRGB()) {
- var style = charElement.getAttribute('style') || '';
- style += (swapColor ? '' : 'background-') + "color:rgb(" + (BufferLine_1.AttributeData.toColorRGB(this._workCell.getBgColor())).join(',') + ");";
- charElement.setAttribute('style', style);
- }
- else if (this._workCell.isBgPalette()) {
- charElement.classList.add("xterm-" + (swapColor ? 'f' : 'b') + "g-" + this._workCell.getBgColor());
- }
- else if (swapColor) {
- charElement.classList.add("xterm-fg-" + Types_1.INVERTED_DEFAULT_COLOR);
- }
- fragment.appendChild(charElement);
- }
- return fragment;
- };
- return DomRendererRowFactory;
-}());
-exports.DomRendererRowFactory = DomRendererRowFactory;
-
-},{"../../Buffer":2,"../../BufferLine":3,"../atlas/Types":52}],55:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-function addDisposableDomListener(node, type, handler, useCapture) {
- node.addEventListener(type, handler, useCapture);
- return {
- dispose: function () {
- if (!handler) {
- return;
- }
- node.removeEventListener(type, handler, useCapture);
- }
- };
-}
-exports.addDisposableDomListener = addDisposableDomListener;
-
-},{}],56:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var RenderDebouncer = (function () {
- function RenderDebouncer(_renderCallback) {
- this._renderCallback = _renderCallback;
- }
- RenderDebouncer.prototype.dispose = function () {
- if (this._animationFrame) {
- window.cancelAnimationFrame(this._animationFrame);
- this._animationFrame = undefined;
- }
- };
- RenderDebouncer.prototype.refresh = function (rowStart, rowEnd, rowCount) {
- var _this = this;
- this._rowCount = rowCount;
- rowStart = rowStart !== undefined ? rowStart : 0;
- rowEnd = rowEnd !== undefined ? rowEnd : this._rowCount - 1;
- this._rowStart = this._rowStart !== undefined ? Math.min(this._rowStart, rowStart) : rowStart;
- this._rowEnd = this._rowEnd !== undefined ? Math.max(this._rowEnd, rowEnd) : rowEnd;
- if (this._animationFrame) {
- return;
- }
- this._animationFrame = window.requestAnimationFrame(function () { return _this._innerRefresh(); });
- };
- RenderDebouncer.prototype._innerRefresh = function () {
- if (this._rowStart === undefined || this._rowEnd === undefined || this._rowCount === undefined) {
- return;
- }
- this._rowStart = Math.max(this._rowStart, 0);
- this._rowEnd = Math.min(this._rowEnd, this._rowCount - 1);
- this._renderCallback(this._rowStart, this._rowEnd);
- this._rowStart = undefined;
- this._rowEnd = undefined;
- this._animationFrame = undefined;
- };
- return RenderDebouncer;
-}());
-exports.RenderDebouncer = RenderDebouncer;
-
-},{}],57:[function(require,module,exports){
-"use strict";
-var __extends = (this && this.__extends) || (function () {
- var extendStatics = function (d, b) {
- extendStatics = Object.setPrototypeOf ||
- ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
- function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
- return extendStatics(d, b);
- };
- return function (d, b) {
- extendStatics(d, b);
- function __() { this.constructor = d; }
- d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
- };
-})();
-Object.defineProperty(exports, "__esModule", { value: true });
-var Lifecycle_1 = require("../common/Lifecycle");
-var ScreenDprMonitor = (function (_super) {
- __extends(ScreenDprMonitor, _super);
- function ScreenDprMonitor() {
- var _this = _super !== null && _super.apply(this, arguments) || this;
- _this._currentDevicePixelRatio = window.devicePixelRatio;
- return _this;
- }
- ScreenDprMonitor.prototype.setListener = function (listener) {
- var _this = this;
- if (this._listener) {
- this.clearListener();
- }
- this._listener = listener;
- this._outerListener = function () {
- if (!_this._listener) {
- return;
- }
- _this._listener(window.devicePixelRatio, _this._currentDevicePixelRatio);
- _this._updateDpr();
- };
- this._updateDpr();
- };
- ScreenDprMonitor.prototype.dispose = function () {
- _super.prototype.dispose.call(this);
- this.clearListener();
- };
- ScreenDprMonitor.prototype._updateDpr = function () {
- if (!this._resolutionMediaMatchList || !this._outerListener) {
- return;
- }
- this._resolutionMediaMatchList.removeListener(this._outerListener);
- this._currentDevicePixelRatio = window.devicePixelRatio;
- this._resolutionMediaMatchList = window.matchMedia("screen and (resolution: " + window.devicePixelRatio + "dppx)");
- this._resolutionMediaMatchList.addListener(this._outerListener);
- };
- ScreenDprMonitor.prototype.clearListener = function () {
- if (!this._resolutionMediaMatchList || !this._listener || !this._outerListener) {
- return;
- }
- this._resolutionMediaMatchList.removeListener(this._outerListener);
- this._resolutionMediaMatchList = undefined;
- this._listener = undefined;
- this._outerListener = undefined;
- };
- return ScreenDprMonitor;
-}(Lifecycle_1.Disposable));
-exports.ScreenDprMonitor = ScreenDprMonitor;
-
-},{"../common/Lifecycle":26}],58:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var Terminal_1 = require("./public/Terminal");
-module.exports = Terminal_1.Terminal;
-
-},{"./public/Terminal":34}]},{},[58])(58)
-});
-//# sourceMappingURL=xterm.js.map
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Using fallback "+t.css+"."),t;var o=void 0,s=void 0,a=void 0,c=void 0,l=void 0;if(5===e.length){var h=parseInt(e.substr(1),16);o=16*(h>>12&15),s=16*(h>>8&15),a=16*(h>>4&15),c=16*(15&h),l=i.toRgba(o,s,a,c)}else o=(l=parseInt(e.substr(1),16))>>24&255,s=l>>16&255,a=l>>8&255,c=255&l;return{rgba:l,css:i.toCss(o,s,a,c)}}return{css:e,rgba:i.toRgba(n[0],n[1],n[2],n[3])}},e}();t.ColorManager=h},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.throwIfFalsy=function(e){if(!e)throw new Error("value must not be falsy");return e}},function(e,t,r){"use strict";var i,n=this&&this.__extends||(i=function(e,t){return(i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])})(e,t)},function(e,t){function r(){this.constructor=e}i(e,t),e.prototype=null===t?Object.create(t):(r.prototype=t.prototype,new r)});Object.defineProperty(t,"__esModule",{value:!0});var 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this._core.onRender},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"onResize",{get:function(){return this._core.onResize},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"element",{get:function(){return this._core.element},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"parser",{get:function(){return this._parser||(this._parser=new h(this._core)),this._parser},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"textarea",{get:function(){return this._core.textarea},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"rows",{get:function(){return this._core.rows},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"cols",{get:function(){return this._core.cols},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"buffer",{get:function(){return new a(this._core.buffer)},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"markers",{get:function(){return this._core.markers},enumerable:!0,configurable:!0}),e.prototype.blur=function(){this._core.blur()},e.prototype.focus=function(){this._core.focus()},e.prototype.resize=function(e,t){this._verifyIntegers(e,t),this._core.resize(e,t)},e.prototype.open=function(e){this._core.open(e)},e.prototype.attachCustomKeyEventHandler=function(e){this._core.attachCustomKeyEventHandler(e)},e.prototype.registerLinkMatcher=function(e,t,r){return this._core.registerLinkMatcher(e,t,r)},e.prototype.deregisterLinkMatcher=function(e){this._core.deregisterLinkMatcher(e)},e.prototype.registerCharacterJoiner=function(e){return this._core.registerCharacterJoiner(e)},e.prototype.deregisterCharacterJoiner=function(e){this._core.deregisterCharacterJoiner(e)},e.prototype.addMarker=function(e){return this._verifyIntegers(e),this._core.addMarker(e)},e.prototype.hasSelection=function(){return this._core.hasSelection()},e.prototype.select=function(e,t,r){this._verifyIntegers(e,t,r),this._core.select(e,t,r)},e.prototype.getSelection=function(){return this._core.getSelection()},e.prototype.getSelectionPosition=function(){return this._core.getSelectionPosition()},e.prototype.clearSelection=function(){this._core.clearSelection()},e.prototype.selectAll=function(){this._core.selectAll()},e.prototype.selectLines=function(e,t){this._verifyIntegers(e,t),this._core.selectLines(e,t)},e.prototype.dispose=function(){this._addonManager.dispose(),this._core.dispose()},e.prototype.scrollLines=function(e){this._verifyIntegers(e),this._core.scrollLines(e)},e.prototype.scrollPages=function(e){this._verifyIntegers(e),this._core.scrollPages(e)},e.prototype.scrollToTop=function(){this._core.scrollToTop()},e.prototype.scrollToBottom=function(){this._core.scrollToBottom()},e.prototype.scrollToLine=function(e){this._verifyIntegers(e),this._core.scrollToLine(e)},e.prototype.clear=function(){this._core.clear()},e.prototype.write=function(e,t){this._core.write(e,t)},e.prototype.writeUtf8=function(e,t){this._core.write(e,t)},e.prototype.writeln=function(e,t){this._core.write(e),this._core.write("\r\n",t)},e.prototype.paste=function(e){this._core.paste(e)},e.prototype.getOption=function(e){return this._core.optionsService.getOption(e)},e.prototype.setOption=function(e,t){this._core.optionsService.setOption(e,t)},e.prototype.refresh=function(e,t){this._verifyIntegers(e,t),this._core.refresh(e,t)},e.prototype.reset=function(){this._core.reset()},e.prototype.loadAddon=function(e){return this._addonManager.loadAddon(this,e)},Object.defineProperty(e,"strings",{get:function(){return n},enumerable:!0,configurable:!0}),e.prototype._verifyIntegers=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];e.forEach(function(e){if(e===1/0||isNaN(e)||e%1!=0)throw new Error("This API only accepts integers")})},e}();t.Terminal=s;var a=function(){function e(e){this._buffer=e}return Object.defineProperty(e.prototype,"cursorY",{get:function(){return this._buffer.y},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"cursorX",{get:function(){return this._buffer.x},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"viewportY",{get:function(){return this._buffer.ydisp},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"baseY",{get:function(){return this._buffer.ybase},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"length",{get:function(){return this._buffer.lines.length},enumerable:!0,configurable:!0}),e.prototype.getLine=function(e){var t=this._buffer.lines.get(e);if(t)return new c(t)},e}(),c=function(){function e(e){this._line=e}return Object.defineProperty(e.prototype,"isWrapped",{get:function(){return this._line.isWrapped},enumerable:!0,configurable:!0}),e.prototype.getCell=function(e){if(!(e<0||e>=this._line.length))return new l(this._line,e)},e.prototype.translateToString=function(e,t,r){return this._line.translateToString(e,t,r)},e}(),l=function(){function e(e,t){this._line=e,this._x=t}return Object.defineProperty(e.prototype,"char",{get:function(){return this._line.getString(this._x)},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"width",{get:function(){return 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I.InstantiationService,r.optionsService=new R.OptionsService(t),r._instantiationService.setService(A.IOptionsService,r.optionsService),r._bufferService=r._instantiationService.createInstance(D.BufferService),r._instantiationService.setService(A.IBufferService,r._bufferService),r._logService=r._instantiationService.createInstance(P.LogService),r._instantiationService.setService(A.ILogService,r._logService),r._coreService=r._instantiationService.createInstance(O.CoreService,function(){return r.scrollToBottom()}),r._instantiationService.setService(A.ICoreService,r._coreService),r._coreService.onData(function(e){return r._onData.fire(e)}),r._coreService.onBinary(function(e){return r._onBinary.fire(e)}),r._coreMouseService=r._instantiationService.createInstance(B.CoreMouseService),r._instantiationService.setService(A.ICoreMouseService,r._coreMouseService),r._dirtyRowService=r._instantiationService.createInstance(H.DirtyRowService),r._instantiationService.setService(A.IDirtyRowService,r._dirtyRowService),r._setupOptionsListeners(),r._setup(),r._writeBuffer=new F.WriteBuffer(function(e){return r._inputHandler.parse(e)}),r}return n(t,e),Object.defineProperty(t.prototype,"options",{get:function(){return this.optionsService.options},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"cols",{get:function(){return this._bufferService.cols},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"rows",{get:function(){return this._bufferService.rows},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"onCursorMove",{get:function(){return 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this._onSelectionChange.event},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"onTitleChange",{get:function(){return this._onTitleChange.event},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"onFocus",{get:function(){return this._onFocus.event},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"onBlur",{get:function(){return this._onBlur.event},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"onA11yChar",{get:function(){return this.onA11yCharEmitter.event},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"onA11yTab",{get:function(){return this.onA11yTabEmitter.event},enumerable:!0,configurable:!0}),t.prototype.dispose=function(){var t,r,i,n;this._isDisposed||(e.prototype.dispose.call(this),null===(t=this._windowsMode)||void 0===t||t.dispose(),this._windowsMode=void 0,null===(r=this._renderService)||void 0===r||r.dispose(),this._customKeyEventHandler=null,this.write=function(){},null===(n=null===(i=this.element)||void 0===i?void 0:i.parentNode)||void 0===n||n.removeChild(this.element))},t.prototype._setup=function(){var e=this;this._parent=q?q.body:null,this._customKeyEventHandler=null,this.applicationKeypad=!1,this.originMode=!1,this.insertMode=!1,this.wraparoundMode=!0,this.bracketedPasteMode=!1,this.charset=null,this.gcharset=null,this.glevel=0,this.charsets=[null],this.curAttrData=S.DEFAULT_ATTR_DATA.clone(),this._eraseAttrData=S.DEFAULT_ATTR_DATA.clone(),this.params=[],this.currentParam=0,this._userScrolling=!1,this._inputHandler=new l.InputHandler(this,this._bufferService,this._coreService,this._dirtyRowService,this._logService,this.optionsService,this._coreMouseService),this._inputHandler.onCursorMove(function(){return e._onCursorMove.fire()}),this._inputHandler.onLineFeed(function(){return e._onLineFeed.fire()}),this.register(this._inputHandler),this.linkifier=this.linkifier||new u.Linkifier(this._bufferService,this._logService),this.options.windowsMode&&this._enableWindowsMode()},t.prototype._enableWindowsMode=function(){this._windowsMode||(this._windowsMode=this.onLineFeed(w.handleWindowsModeLineFeed.bind(null,this._bufferService)))},Object.defineProperty(t.prototype,"buffer",{get:function(){return this.buffers.active},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"buffers",{get:function(){return this._bufferService.buffers},enumerable:!0,configurable:!0}),t.prototype.eraseAttrData=function(){return this._eraseAttrData.bg&=-67108864,this._eraseAttrData.bg|=67108863&this.curAttrData.bg,this._eraseAttrData},t.prototype.focus=function(){this.textarea&&this.textarea.focus({preventScroll:!0})},t.prototype._setupOptionsListeners=function(){var e=this;this.optionsService.onOptionChange(function(t){var r,i,n,o,s;switch(t){case"fontFamily":case"fontSize":null===(r=e._renderService)||void 0===r||r.clear(),null===(i=e._charSizeService)||void 0===i||i.measure();break;case"drawBoldTextInBrightColors":case"letterSpacing":case"lineHeight":case"fontWeight":case"fontWeightBold":case"minimumContrastRatio":e._renderService&&(e._renderService.clear(),e._renderService.onResize(e.cols,e.rows),e.refresh(0,e.rows-1));break;case"rendererType":e._renderService&&(e._renderService.setRenderer(e._createRenderer()),e._renderService.onResize(e.cols,e.rows));break;case"scrollback":e.buffers.resize(e.cols,e.rows),null===(n=e.viewport)||void 0===n||n.syncScrollArea();break;case"screenReaderMode":e.optionsService.options.screenReaderMode?!e._accessibilityManager&&e._renderService&&(e._accessibilityManager=new y.AccessibilityManager(e,e._renderService)):(null===(o=e._accessibilityManager)||void 0===o||o.dispose(),e._accessibilityManager=null);break;case"tabStopWidth":e.buffers.setupTabStops();break;case"theme":e._setTheme(e.optionsService.options.theme);break;case"windowsMode":e.optionsService.options.windowsMode?e._enableWindowsMode():(null===(s=e._windowsMode)||void 0===s||s.dispose(),e._windowsMode=void 0)}})},t.prototype._onTextAreaFocus=function(e){this.sendFocus&&this._coreService.triggerDataEvent(c.C0.ESC+"[I"),this.updateCursorStyle(e),this.element.classList.add("focus"),this.showCursor(),this._onFocus.fire()},t.prototype.blur=function(){return this.textarea.blur()},t.prototype._onTextAreaBlur=function(){this.textarea.value="",this.refresh(this.buffer.y,this.buffer.y),this.sendFocus&&this._coreService.triggerDataEvent(c.C0.ESC+"[O"),this.element.classList.remove("focus"),this._onBlur.fire()},t.prototype._initGlobal=function(){var e=this;this._bindKeys(),this.register(d.addDisposableDomListener(this.element,"copy",function(t){e.hasSelection()&&a.copyHandler(t,e._selectionService)}));var t=function(t){return a.handlePasteEvent(t,e.textarea,e.bracketedPasteMode,e._coreService)};this.register(d.addDisposableDomListener(this.textarea,"paste",t)),this.register(d.addDisposableDomListener(this.element,"paste",t)),_.isFirefox?this.register(d.addDisposableDomListener(this.element,"mousedown",function(t){2===t.button&&a.rightClickHandler(t,e.textarea,e.screenElement,e._selectionService,e.options.rightClickSelectsWord)})):this.register(d.addDisposableDomListener(this.element,"contextmenu",function(t){a.rightClickHandler(t,e.textarea,e.screenElement,e._selectionService,e.options.rightClickSelectsWord)})),_.isLinux&&this.register(d.addDisposableDomListener(this.element,"auxclick",function(t){1===t.button&&a.moveTextAreaUnderMouseCursor(t,e.textarea,e.screenElement)}))},t.prototype._bindKeys=function(){var e=this;this.register(d.addDisposableDomListener(this.textarea,"keyup",function(t){return e._keyUp(t)},!0)),this.register(d.addDisposableDomListener(this.textarea,"keydown",function(t){return e._keyDown(t)},!0)),this.register(d.addDisposableDomListener(this.textarea,"keypress",function(t){return e._keyPress(t)},!0)),this.register(d.addDisposableDomListener(this.textarea,"compositionstart",function(){return e._compositionHelper.compositionstart()})),this.register(d.addDisposableDomListener(this.textarea,"compositionupdate",function(t){return e._compositionHelper.compositionupdate(t)})),this.register(d.addDisposableDomListener(this.textarea,"compositionend",function(){return e._compositionHelper.compositionend()})),this.register(this.onRender(function(){return e._compositionHelper.updateCompositionElements()})),this.register(this.onRender(function(t){return e._queueLinkification(t.start,t.end)}))},t.prototype.open=function(e){var t=this;if(this._parent=e||this._parent,!this._parent)throw new Error("Terminal requires a parent element.");q.body.contains(e)||this._logService.warn("Terminal.open was called on an element that was not attached to the DOM"),this._document=this._parent.ownerDocument,this.element=this._document.createElement("div"),this.element.dir="ltr",this.element.classList.add("terminal"),this.element.classList.add("xterm"),this.element.setAttribute("tabindex","0"),this._parent.appendChild(this.element);var r=q.createDocumentFragment();this._viewportElement=q.createElement("div"),this._viewportElement.classList.add("xterm-viewport"),r.appendChild(this._viewportElement),this._viewportScrollArea=q.createElement("div"),this._viewportScrollArea.classList.add("xterm-scroll-area"),this._viewportElement.appendChild(this._viewportScrollArea),this.screenElement=q.createElement("div"),this.screenElement.classList.add("xterm-screen"),this._helperContainer=q.createElement("div"),this._helperContainer.classList.add("xterm-helpers"),this.screenElement.appendChild(this._helperContainer),r.appendChild(this.screenElement),this.textarea=q.createElement("textarea"),this.textarea.classList.add("xterm-helper-textarea"),this.textarea.setAttribute("aria-label",p.promptLabel),this.textarea.setAttribute("aria-multiline","false"),this.textarea.setAttribute("autocorrect","off"),this.textarea.setAttribute("autocapitalize","off"),this.textarea.setAttribute("spellcheck","false"),this.textarea.tabIndex=0,this.register(d.addDisposableDomListener(this.textarea,"focus",function(e){return t._onTextAreaFocus(e)})),this.register(d.addDisposableDomListener(this.textarea,"blur",function(){return t._onTextAreaBlur()})),this._helperContainer.appendChild(this.textarea);var i=this._instantiationService.createInstance(j.CoreBrowserService,this.textarea);this._instantiationService.setService(x.ICoreBrowserService,i),this._charSizeService=this._instantiationService.createInstance(k.CharSizeService,this._document,this._helperContainer),this._instantiationService.setService(x.ICharSizeService,this._charSizeService),this._compositionView=q.createElement("div"),this._compositionView.classList.add("composition-view"),this._compositionHelper=this._instantiationService.createInstance(o.CompositionHelper,this.textarea,this._compositionView),this._helperContainer.appendChild(this._compositionView),this.element.appendChild(r),this._theme=this.options.theme||this._theme,this.options.theme=void 0,this._colorManager=new E.ColorManager(q,this.options.allowTransparency),this.optionsService.onOptionChange(function(e){return t._colorManager.onOptionsChange(e)}),this._colorManager.setTheme(this._theme);var n=this._createRenderer();this._renderService=this._instantiationService.createInstance(L.RenderService,n,this.rows,this.screenElement),this._instantiationService.setService(x.IRenderService,this._renderService),this._renderService.onRender(function(e){return t._onRender.fire(e)}),this.onResize(function(e){return t._renderService.resize(e.cols,e.rows)}),this._soundService=this._instantiationService.createInstance(v.SoundService),this._instantiationService.setService(x.ISoundService,this._soundService),this._mouseService=this._instantiationService.createInstance(M.MouseService),this._instantiationService.setService(x.IMouseService,this._mouseService),this.viewport=this._instantiationService.createInstance(s.Viewport,function(e,r){return t.scrollLines(e,r)},this._viewportElement,this._viewportScrollArea),this.viewport.onThemeChange(this._colorManager.colors),this.register(this.viewport),this.register(this.onCursorMove(function(){return t._renderService.onCursorMove()})),this.register(this.onResize(function(){return t._renderService.onResize(t.cols,t.rows)})),this.register(this.onBlur(function(){return t._renderService.onBlur()})),this.register(this.onFocus(function(){return t._renderService.onFocus()})),this.register(this._renderService.onDimensionsChange(function(){return t.viewport.syncScrollArea()})),this._selectionService=this._instantiationService.createInstance(f.SelectionService,function(e,r){return t.scrollLines(e,r)},this.element,this.screenElement),this._instantiationService.setService(x.ISelectionService,this._selectionService),this.register(this._selectionService.onSelectionChange(function(){return t._onSelectionChange.fire()})),this.register(this._selectionService.onRedrawRequest(function(e){return t._renderService.onSelectionChanged(e.start,e.end,e.columnSelectMode)})),this.register(this._selectionService.onLinuxMouseSelection(function(e){t.textarea.value=e,t.textarea.focus(),t.textarea.select()})),this.register(this.onScroll(function(){t.viewport.syncScrollArea(),t._selectionService.refresh()})),this.register(d.addDisposableDomListener(this._viewportElement,"scroll",function(){return t._selectionService.refresh()})),this._mouseZoneManager=this._instantiationService.createInstance(g.MouseZoneManager,this.element,this.screenElement),this.register(this._mouseZoneManager),this.register(this.onScroll(function(){return t._mouseZoneManager.clearAll()})),this.linkifier.attachToDom(this.element,this._mouseZoneManager),this.register(d.addDisposableDomListener(this.element,"mousedown",function(e){return t._selectionService.onMouseDown(e)})),this.mouseEvents?(this._selectionService.disable(),this.element.classList.add("enable-mouse-events")):this._selectionService.enable(),this.options.screenReaderMode&&(this._accessibilityManager=new y.AccessibilityManager(this,this._renderService)),this._charSizeService.measure(),this.refresh(0,this.rows-1),this._initGlobal(),this.bindMouse()},t.prototype._createRenderer=function(){switch(this.options.rendererType){case"canvas":return this._instantiationService.createInstance(h.Renderer,this._colorManager.colors,this.screenElement,this.linkifier);case"dom":return this._instantiationService.createInstance(b.DomRenderer,this._colorManager.colors,this.element,this.screenElement,this._viewportElement,this.linkifier);default:throw new Error('Unrecognized rendererType "'+this.options.rendererType+'"')}},t.prototype._setTheme=function(e){var t,r,i;this._theme=e,null===(t=this._colorManager)||void 0===t||t.setTheme(e),null===(r=this._renderService)||void 0===r||r.setColors(this._colorManager.colors),null===(i=this.viewport)||void 0===i||i.onThemeChange(this._colorManager.colors)},t.prototype.bindMouse=function(){var e=this,t=this,r=this.element;function i(e){var r,i,n;if(!(r=t._mouseService.getRawByteCoords(e,t.screenElement,t.cols,t.rows)))return!1;switch(e.overrideType||e.type){case"mousemove":n=32,void 0===e.buttons?(i=3,void 0!==e.button&&(i=e.button<3?e.button:3)):i=1&e.buttons?0:4&e.buttons?1:2&e.buttons?2:3;break;case"mouseup":n=0,i=e.button<3?e.button:3;break;case"mousedown":n=1,i=e.button<3?e.button:3;break;case"wheel":0!==e.deltaY&&(n=e.deltaY<0?0:1),i=4;break;default:return!1}return!(void 0===n||void 0===i||i>4)&&t._coreMouseService.triggerMouseEvent({col:r.x-33,row:r.y-33,button:i,action:n,ctrl:e.ctrlKey,alt:e.altKey,shift:e.shiftKey})}var n={mouseup:null,wheel:null,mousedrag:null,mousemove:null},o=function(t){return i(t),t.buttons||(e._document.removeEventListener("mouseup",n.mouseup),n.mousedrag&&e._document.removeEventListener("mousemove",n.mousedrag)),e.cancel(t)},s=function(t){return i(t),t.preventDefault(),e.cancel(t)},a=function(e){e.buttons&&i(e)},l=function(e){e.buttons||i(e)};this._coreMouseService.onProtocolChange(function(t){e.mouseEvents=t,t?("debug"===e.optionsService.options.logLevel&&e._logService.debug("Binding to mouse events:",e._coreMouseService.explainEvents(t)),e.element.classList.add("enable-mouse-events"),e._selectionService.disable()):(e._logService.debug("Unbinding from mouse events."),e.element.classList.remove("enable-mouse-events"),e._selectionService.enable()),8&t?n.mousemove||(r.addEventListener("mousemove",l),n.mousemove=l):(r.removeEventListener("mousemove",n.mousemove),n.mousemove=null),16&t?n.wheel||(r.addEventListener("wheel",s),n.wheel=s):(r.removeEventListener("wheel",n.wheel),n.wheel=null),2&t?n.mouseup||(n.mouseup=o):(e._document.removeEventListener("mouseup",n.mouseup),n.mouseup=null),4&t?n.mousedrag||(n.mousedrag=a):(e._document.removeEventListener("mousemove",n.mousedrag),n.mousedrag=null)}),this._coreMouseService.activeProtocol=this._coreMouseService.activeProtocol,this.register(d.addDisposableDomListener(r,"mousedown",function(t){if(t.preventDefault(),e.focus(),e.mouseEvents&&!e._selectionService.shouldForceSelection(t))return i(t),n.mouseup&&e._document.addEventListener("mouseup",n.mouseup),n.mousedrag&&e._document.addEventListener("mousemove",n.mousedrag),e.cancel(t)})),this.register(d.addDisposableDomListener(r,"wheel",function(t){if(n.wheel);else if(!e.buffer.hasScrollback){var r=e.viewport.getLinesScrolled(t);if(0===r)return;for(var i=c.C0.ESC+(e._coreService.decPrivateModes.applicationCursorKeys?"O":"[")+(t.deltaY<0?"A":"B"),o="",s=0;s<Math.abs(r);s++)o+=i;e._coreService.triggerDataEvent(o,!0)}})),this.register(d.addDisposableDomListener(r,"wheel",function(t){if(!n.wheel)return e.viewport.onWheel(t)?void 0:e.cancel(t)})),this.register(d.addDisposableDomListener(r,"touchstart",function(t){if(!e.mouseEvents)return e.viewport.onTouchStart(t),e.cancel(t)})),this.register(d.addDisposableDomListener(r,"touchmove",function(t){if(!e.mouseEvents)return e.viewport.onTouchMove(t)?void 0:e.cancel(t)}))},t.prototype.refresh=function(e,t){var r;null===(r=this._renderService)||void 0===r||r.refreshRows(e,t)},t.prototype._queueLinkification=function(e,t){var r;null===(r=this.linkifier)||void 0===r||r.linkifyRows(e,t)},t.prototype.updateCursorStyle=function(e){this._selectionService&&this._selectionService.shouldColumnSelect(e)?this.element.classList.add("column-select"):this.element.classList.remove("column-select")},t.prototype.showCursor=function(){this._coreService.isCursorInitialized||(this._coreService.isCursorInitialized=!0,this.refresh(this.buffer.y,this.buffer.y))},t.prototype.scroll=function(e){var t;void 0===e&&(e=!1),t=this._blankLine;var r=this.eraseAttrData();t&&t.length===this.cols&&t.getFg(0)===r.fg&&t.getBg(0)===r.bg||(t=this.buffer.getBlankLine(r,e),this._blankLine=t),t.isWrapped=e;var i=this.buffer.ybase+this.buffer.scrollTop,n=this.buffer.ybase+this.buffer.scrollBottom;if(0===this.buffer.scrollTop){var o=this.buffer.lines.isFull;n===this.buffer.lines.length-1?o?this.buffer.lines.recycle().copyFrom(t):this.buffer.lines.push(t.clone()):this.buffer.lines.splice(n+1,0,t.clone()),o?this._userScrolling&&(this.buffer.ydisp=Math.max(this.buffer.ydisp-1,0)):(this.buffer.ybase++,this._userScrolling||this.buffer.ydisp++)}else{var s=n-i+1;this.buffer.lines.shiftElements(i+1,s-1,-1),this.buffer.lines.set(n,t.clone())}this._userScrolling||(this.buffer.ydisp=this.buffer.ybase),this._dirtyRowService.markRangeDirty(this.buffer.scrollTop,this.buffer.scrollBottom),this._onScroll.fire(this.buffer.ydisp)},t.prototype.scrollLines=function(e,t){if(e<0){if(0===this.buffer.ydisp)return;this._userScrolling=!0}else e+this.buffer.ydisp>=this.buffer.ybase&&(this._userScrolling=!1);var r=this.buffer.ydisp;this.buffer.ydisp=Math.max(Math.min(this.buffer.ydisp+e,this.buffer.ybase),0),r!==this.buffer.ydisp&&(t||this._onScroll.fire(this.buffer.ydisp),this.refresh(0,this.rows-1))},t.prototype.scrollPages=function(e){this.scrollLines(e*(this.rows-1))},t.prototype.scrollToTop=function(){this.scrollLines(-this.buffer.ydisp)},t.prototype.scrollToBottom=function(){this.scrollLines(this.buffer.ybase-this.buffer.ydisp)},t.prototype.scrollToLine=function(e){var t=e-this.buffer.ydisp;0!==t&&this.scrollLines(t)},t.prototype.paste=function(e){a.paste(e,this.textarea,this.bracketedPasteMode,this._coreService)},t.prototype.attachCustomKeyEventHandler=function(e){this._customKeyEventHandler=e},t.prototype.addEscHandler=function(e,t){return this._inputHandler.addEscHandler(e,t)},t.prototype.addDcsHandler=function(e,t){return this._inputHandler.addDcsHandler(e,t)},t.prototype.addCsiHandler=function(e,t){return this._inputHandler.addCsiHandler(e,t)},t.prototype.addOscHandler=function(e,t){return this._inputHandler.addOscHandler(e,t)},t.prototype.registerLinkMatcher=function(e,t,r){var i=this.linkifier.registerLinkMatcher(e,t,r);return this.refresh(0,this.rows-1),i},t.prototype.deregisterLinkMatcher=function(e){this.linkifier.deregisterLinkMatcher(e)&&this.refresh(0,this.rows-1)},t.prototype.registerCharacterJoiner=function(e){var t=this._renderService.registerCharacterJoiner(e);return this.refresh(0,this.rows-1),t},t.prototype.deregisterCharacterJoiner=function(e){this._renderService.deregisterCharacterJoiner(e)&&this.refresh(0,this.rows-1)},Object.defineProperty(t.prototype,"markers",{get:function(){return this.buffer.markers},enumerable:!0,configurable:!0}),t.prototype.addMarker=function(e){if(this.buffer===this.buffers.normal)return this.buffer.addMarker(this.buffer.ybase+this.buffer.y+e)},t.prototype.hasSelection=function(){return!!this._selectionService&&this._selectionService.hasSelection},t.prototype.select=function(e,t,r){this._selectionService.setSelection(e,t,r)},t.prototype.getSelection=function(){return this._selectionService?this._selectionService.selectionText:""},t.prototype.getSelectionPosition=function(){if(this._selectionService.hasSelection)return{startColumn:this._selectionService.selectionStart[0],startRow:this._selectionService.selectionStart[1],endColumn:this._selectionService.selectionEnd[0],endRow:this._selectionService.selectionEnd[1]}},t.prototype.clearSelection=function(){var e;null===(e=this._selectionService)||void 0===e||e.clearSelection()},t.prototype.selectAll=function(){var e;null===(e=this._selectionService)||void 0===e||e.selectAll()},t.prototype.selectLines=function(e,t){var r;null===(r=this._selectionService)||void 0===r||r.selectLines(e,t)},t.prototype._keyDown=function(e){if(this._keyDownHandled=!1,this._customKeyEventHandler&&!1===this._customKeyEventHandler(e))return!1;if(!this._compositionHelper.keydown(e))return this.buffer.ybase!==this.buffer.ydisp&&this.scrollToBottom(),!1;var t=m.evaluateKeyboardEvent(e,this._coreService.decPrivateModes.applicationCursorKeys,this.browser.isMac,this.options.macOptionIsMeta);if(this.updateCursorStyle(e),3===t.type||2===t.type){var r=this.rows-1;return this.scrollLines(2===t.type?-r:r),this.cancel(e,!0)}return 1===t.type&&this.selectAll(),!!this._isThirdLevelShift(this.browser,e)||(t.cancel&&this.cancel(e,!0),!t.key||(t.key!==c.C0.ETX&&t.key!==c.C0.CR||(this.textarea.value=""),this._onKey.fire({key:t.key,domEvent:e}),this.showCursor(),this._coreService.triggerDataEvent(t.key,!0),this.optionsService.options.screenReaderMode?void(this._keyDownHandled=!0):this.cancel(e,!0)))},t.prototype._isThirdLevelShift=function(e,t){var r=e.isMac&&!this.options.macOptionIsMeta&&t.altKey&&!t.ctrlKey&&!t.metaKey||e.isWindows&&t.altKey&&t.ctrlKey&&!t.metaKey;return"keypress"===t.type?r:r&&(!t.keyCode||t.keyCode>47)},t.prototype.setgLevel=function(e){this.glevel=e,this.charset=this.charsets[e]},t.prototype.setgCharset=function(e,t){this.charsets[e]=t,this.glevel===e&&(this.charset=t)},t.prototype._keyUp=function(e){this._customKeyEventHandler&&!1===this._customKeyEventHandler(e)||(function(e){return 16===e.keyCode||17===e.keyCode||18===e.keyCode}(e)||this.focus(),this.updateCursorStyle(e))},t.prototype._keyPress=function(e){var t;if(this._keyDownHandled)return!1;if(this._customKeyEventHandler&&!1===this._customKeyEventHandler(e))return!1;if(this.cancel(e),e.charCode)t=e.charCode;else if(null===e.which||void 0===e.which)t=e.keyCode;else{if(0===e.which||0===e.charCode)return!1;t=e.which}return!(!t||(e.altKey||e.ctrlKey||e.metaKey)&&!this._isThirdLevelShift(this.browser,e))&&(t=String.fromCharCode(t),this._onKey.fire({key:t,domEvent:e}),this.showCursor(),this._coreService.triggerDataEvent(t,!0),!0)},t.prototype.bell=function(){var e=this;this._soundBell()&&this._soundService.playBellSound(),this._visualBell()&&(this.element.classList.add("visual-bell-active"),clearTimeout(this._visualBellTimer),this._visualBellTimer=window.setTimeout(function(){e.element.classList.remove("visual-bell-active")},200))},t.prototype.resize=function(e,t){var r;isNaN(e)||isNaN(t)||(e!==this.cols||t!==this.rows?(e<D.MINIMUM_COLS&&(e=D.MINIMUM_COLS),t<D.MINIMUM_ROWS&&(t=D.MINIMUM_ROWS),this.buffers.resize(e,t),this._bufferService.resize(e,t),this.buffers.setupTabStops(this.cols),null===(r=this._charSizeService)||void 0===r||r.measure(),this.viewport.syncScrollArea(!0),this.refresh(0,this.rows-1),this._onResize.fire({cols:e,rows:t})):this._charSizeService&&!this._charSizeService.hasValidSize&&this._charSizeService.measure())},t.prototype.clear=function(){if(0!==this.buffer.ybase||0!==this.buffer.y){this.buffer.lines.set(0,this.buffer.lines.get(this.buffer.ybase+this.buffer.y)),this.buffer.lines.length=1,this.buffer.ydisp=0,this.buffer.ybase=0,this.buffer.y=0;for(var e=1;e<this.rows;e++)this.buffer.lines.push(this.buffer.getBlankLine(S.DEFAULT_ATTR_DATA));this.refresh(0,this.rows-1),this._onScroll.fire(this.buffer.ydisp)}},t.prototype.is=function(e){return 0===(this.options.termName+"").indexOf(e)},t.prototype.handleTitle=function(e){this._onTitleChange.fire(e)},t.prototype.reset=function(){var e,t;this.options.rows=this.rows,this.options.cols=this.cols;var r=this._customKeyEventHandler,i=this._inputHandler,n=this._userScrolling;this._setup(),this._bufferService.reset(),this._coreService.reset(),this._coreMouseService.reset(),null===(e=this._selectionService)||void 0===e||e.reset(),this._customKeyEventHandler=r,this._inputHandler=i,this._userScrolling=n,this.refresh(0,this.rows-1),null===(t=this.viewport)||void 0===t||t.syncScrollArea()},t.prototype.cancel=function(e,t){if(this.options.cancelEvents||t)return e.preventDefault(),e.stopPropagation(),!1},t.prototype._visualBell=function(){return!1},t.prototype._soundBell=function(){return"sound"===this.options.bellStyle},t.prototype.write=function(e,t){this._writeBuffer.write(e,t)},t.prototype.writeSync=function(e){this._writeBuffer.writeSync(e)},t}(T.Disposable);t.Terminal=W},function(e,t,r){"use strict";var i=this&&this.__decorate||function(e,t,r,i){var n,o=arguments.length,s=o<3?t:null===i?i=Object.getOwnPropertyDescriptor(t,r):i;if("object"==typeof Reflect&&"function"==typeof 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t=this;this._compositionView.textContent=e.data,this.updateCompositionElements(),setTimeout(function(){t._compositionPosition.end=t._textarea.value.length},0)},e.prototype.compositionend=function(){this._finalizeComposition(!0)},e.prototype.keydown=function(e){if(this._isComposing||this._isSendingComposition){if(229===e.keyCode)return!1;if(16===e.keyCode||17===e.keyCode||18===e.keyCode)return!1;this._finalizeComposition(!1)}return 229!==e.keyCode||(this._handleAnyTextareaChanges(),!1)},e.prototype._finalizeComposition=function(e){var t=this;if(this._compositionView.classList.remove("active"),this._isComposing=!1,this._clearTextareaPosition(),e){var r={start:this._compositionPosition.start,end:this._compositionPosition.end};this._isSendingComposition=!0,setTimeout(function(){if(t._isSendingComposition){t._isSendingComposition=!1;var e=void 0;e=t._isComposing?t._textarea.value.substring(r.start,r.end):t._textarea.value.substring(r.start),t._coreService.triggerDataEvent(e,!0)}},0)}else{this._isSendingComposition=!1;var i=this._textarea.value.substring(this._compositionPosition.start,this._compositionPosition.end);this._coreService.triggerDataEvent(i,!0)}},e.prototype._handleAnyTextareaChanges=function(){var e=this,t=this._textarea.value;setTimeout(function(){if(!e._isComposing){var r=e._textarea.value.replace(t,"");r.length>0&&e._coreService.triggerDataEvent(r,!0)}},0)},e.prototype.updateCompositionElements=function(e){var t=this;if(this._isComposing){if(this._bufferService.buffer.isCursorInViewport){var r=Math.ceil(this._charSizeService.height*this._optionsService.options.lineHeight),i=this._bufferService.buffer.y*r,n=this._bufferService.buffer.x*this._charSizeService.width;this._compositionView.style.left=n+"px",this._compositionView.style.top=i+"px",this._compositionView.style.height=r+"px",this._compositionView.style.lineHeight=r+"px",this._compositionView.style.fontFamily=this._optionsService.options.fontFamily,this._compositionView.style.fontSize=this._optionsService.options.fontSize+"px";var o=this._compositionView.getBoundingClientRect();this._textarea.style.left=n+"px",this._textarea.style.top=i+"px",this._textarea.style.width=o.width+"px",this._textarea.style.height=o.height+"px",this._textarea.style.lineHeight=o.height+"px"}e||setTimeout(function(){return t.updateCompositionElements(!0)},0)}},e.prototype._clearTextareaPosition=function(){this._textarea.style.left="",this._textarea.style.top=""},e=i([n(2,s.IBufferService),n(3,s.IOptionsService),n(4,o.ICharSizeService),n(5,s.ICoreService)],e)}();t.CompositionHelper=a},function(e,t,r){"use strict";var i,n=this&&this.__extends||(i=function(e,t){return(i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])})(e,t)},function(e,t){function r(){this.constructor=e}i(e,t),e.prototype=null===t?Object.create(t):(r.prototype=t.prototype,new r)}),o=this&&this.__decorate||function(e,t,r,i){var n,o=arguments.length,s=o<3?t:null===i?i=Object.getOwnPropertyDescriptor(t,r):i;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)s=Reflect.decorate(e,t,r,i);else for(var a=e.length-1;a>=0;a--)(n=e[a])&&(s=(o<3?n(s):o>3?n(t,r,s):n(t,r))||s);return 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n(t,e),t.prototype.onThemeChange=function(e){this._viewportElement.style.backgroundColor=e.background.css},t.prototype._refresh=function(e){var t=this;if(e)return this._innerRefresh(),void(null!==this._refreshAnimationFrame&&cancelAnimationFrame(this._refreshAnimationFrame));null===this._refreshAnimationFrame&&(this._refreshAnimationFrame=requestAnimationFrame(function(){return t._innerRefresh()}))},t.prototype._innerRefresh=function(){if(this._charSizeService.height>0){this._currentRowHeight=this._renderService.dimensions.scaledCellHeight/window.devicePixelRatio,this._lastRecordedViewportHeight=this._viewportElement.offsetHeight;var e=Math.round(this._currentRowHeight*this._lastRecordedBufferLength)+(this._lastRecordedViewportHeight-this._renderService.dimensions.canvasHeight);this._lastRecordedBufferHeight!==e&&(this._lastRecordedBufferHeight=e,this._scrollArea.style.height=this._lastRecordedBufferHeight+"px")}var t=this._bufferService.buffer.ydisp*this._currentRowHeight;this._viewportElement.scrollTop!==t&&(this._ignoreNextScrollEvent=!0,this._viewportElement.scrollTop=t),this._refreshAnimationFrame=null},t.prototype.syncScrollArea=function(e){if(void 0===e&&(e=!1),this._lastRecordedBufferLength!==this._bufferService.buffer.lines.length)return this._lastRecordedBufferLength=this._bufferService.buffer.lines.length,void this._refresh(e);if(this._lastRecordedViewportHeight===this._renderService.dimensions.canvasHeight){var t=this._bufferService.buffer.ydisp*this._currentRowHeight;this._lastScrollTop===t&&this._lastScrollTop===this._viewportElement.scrollTop&&this._renderService.dimensions.scaledCellHeight/window.devicePixelRatio===this._currentRowHeight||this._refresh(e)}else this._refresh(e)},t.prototype._onScroll=function(e){if(this._lastScrollTop=this._viewportElement.scrollTop,this._viewportElement.offsetParent)if(this._ignoreNextScrollEvent)this._ignoreNextScrollEvent=!1;else{var t=Math.round(this._lastScrollTop/this._currentRowHeight)-this._bufferService.buffer.ydisp;this._scrollLines(t,!0)}},t.prototype._bubbleScroll=function(e,t){var r=this._viewportElement.scrollTop+this._lastRecordedViewportHeight;return!(t<0&&0!==this._viewportElement.scrollTop||t>0&&r<this._lastRecordedBufferHeight)||(e.cancelable&&e.preventDefault(),!1)},t.prototype.onWheel=function(e){var t=this._getPixelsScrolled(e);return 0!==t&&(this._viewportElement.scrollTop+=t,this._bubbleScroll(e,t))},t.prototype._getPixelsScrolled=function(e){if(0===e.deltaY)return 0;var t=this._applyScrollModifier(e.deltaY,e);return e.deltaMode===WheelEvent.DOM_DELTA_LINE?t*=this._currentRowHeight:e.deltaMode===WheelEvent.DOM_DELTA_PAGE&&(t*=this._currentRowHeight*this._bufferService.rows),t},t.prototype.getLinesScrolled=function(e){if(0===e.deltaY)return 0;var t=this._applyScrollModifier(e.deltaY,e);return e.deltaMode===WheelEvent.DOM_DELTA_PIXEL?(t/=this._currentRowHeight+0,this._wheelPartialScroll+=t,t=Math.floor(Math.abs(this._wheelPartialScroll))*(this._wheelPartialScroll>0?1:-1),this._wheelPartialScroll%=1):e.deltaMode===WheelEvent.DOM_DELTA_PAGE&&(t*=this._bufferService.rows),t},t.prototype._applyScrollModifier=function(e,t){var r=this._optionsService.options.fastScrollModifier;return"alt"===r&&t.altKey||"ctrl"===r&&t.ctrlKey||"shift"===r&&t.shiftKey?e*this._optionsService.options.fastScrollSensitivity*this._optionsService.options.scrollSensitivity:e*this._optionsService.options.scrollSensitivity},t.prototype.onTouchStart=function(e){this._lastTouchY=e.touches[0].pageY},t.prototype.onTouchMove=function(e){var t=this._lastTouchY-e.touches[0].pageY;return this._lastTouchY=e.touches[0].pageY,0!==t&&(this._viewportElement.scrollTop+=t,this._bubbleScroll(e,t))},t=o([s(3,h.IBufferService),s(4,h.IOptionsService),s(5,l.ICharSizeService),s(6,l.IRenderService)],t)}(a.Disposable);t.Viewport=f},function(e,t,r){"use strict";function i(e){return e.replace(/\r?\n/g,"\r")}function n(e,t){return t?"[200~"+e+"[201~":e}function o(e,t,r,o){e=n(e=i(e),r),o.triggerDataEvent(e,!0),t.value=""}function s(e,t,r){var i=r.getBoundingClientRect(),n=e.clientX-i.left-10,o=e.clientY-i.top-10;t.style.position="absolute",t.style.width="20px",t.style.height="20px",t.style.left=n+"px",t.style.top=o+"px",t.style.zIndex="1000",t.focus(),setTimeout(function(){t.style.position="",t.style.width="",t.style.height="",t.style.left="",t.style.top="",t.style.zIndex=""},200)}Object.defineProperty(t,"__esModule",{value:!0}),t.prepareTextForTerminal=i,t.bracketTextForPaste=n,t.copyHandler=function(e,t){e.clipboardData&&e.clipboardData.setData("text/plain",t.selectionText),e.preventDefault()},t.handlePasteEvent=function(e,t,r,i){e.stopPropagation(),e.clipboardData&&o(e.clipboardData.getData("text/plain"),t,r,i)},t.paste=o,t.moveTextAreaUnderMouseCursor=s,t.rightClickHandler=function(e,t,r,i,n){s(e,t,r),n&&!i.isClickInSelection(e)&&i.selectWordAtCursor(e),t.value=i.selectionText,t.select()}},function(e,t,r){"use strict";var i,n=this&&this.__extends||(i=function(e,t){return(i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])})(e,t)},function(e,t){function r(){this.constructor=e}i(e,t),e.prototype=null===t?Object.create(t):(r.prototype=t.prototype,new r)});Object.defineProperty(t,"__esModule",{value:!0});var o=r(12),s=r(18),a=r(19),c=r(39),l=r(2),h=r(15),u=r(8),f=r(16),_=r(1),d=r(3),p=r(5),v=r(6),g=r(21),y=r(23),b={"(":0,")":1,"*":2,"+":3,"-":1,".":2},m=function(){function e(e,t,r,i){this._bufferService=e,this._coreService=t,this._logService=r,this._optionsService=i,this._data=new Uint32Array(0)}return e.prototype.hook=function(e){this._data=new Uint32Array(0)},e.prototype.put=function(e,t,r){this._data=h.concat(this._data,e.subarray(t,r))},e.prototype.unhook=function(e){if(e){var t=u.utf32ToString(this._data);switch(this._data=new Uint32Array(0),t){case'"q':return this._coreService.triggerDataEvent(o.C0.ESC+'P1$r0"q'+o.C0.ESC+"\\");case'"p':return this._coreService.triggerDataEvent(o.C0.ESC+'P1$r61"p'+o.C0.ESC+"\\");case"r":var r=this._bufferService.buffer.scrollTop+1+";"+(this._bufferService.buffer.scrollBottom+1)+"r";return this._coreService.triggerDataEvent(o.C0.ESC+"P1$r"+r+o.C0.ESC+"\\");case"m":return this._coreService.triggerDataEvent(o.C0.ESC+"P1$r0m"+o.C0.ESC+"\\");case" q":var i={block:2,underline:4,bar:6}[this._optionsService.options.cursorStyle];return i-=this._optionsService.options.cursorBlink?1:0,this._coreService.triggerDataEvent(o.C0.ESC+"P1$r"+i+" q"+o.C0.ESC+"\\");default:this._logService.debug("Unknown DCS $q %s",t),this._coreService.triggerDataEvent(o.C0.ESC+"P0$r"+o.C0.ESC+"\\")}}else this._data=new Uint32Array(0)},e}(),C=function(e){function t(t,r,i,n,a,l,h,f){void 0===f&&(f=new c.EscapeSequenceParser);var d=e.call(this)||this;d._terminal=t,d._bufferService=r,d._coreService=i,d._dirtyRowService=n,d._logService=a,d._optionsService=l,d._coreMouseService=h,d._parser=f,d._parseBuffer=new Uint32Array(4096),d._stringDecoder=new u.StringToUtf32,d._utf8Decoder=new u.Utf8ToUtf32,d._workCell=new p.CellData,d._onCursorMove=new _.EventEmitter,d._onLineFeed=new _.EventEmitter,d._onScroll=new _.EventEmitter,d.register(d._parser),d._parser.setCsiHandlerFallback(function(e,t){d._logService.debug("Unknown CSI code: ",{identifier:d._parser.identToString(e),params:t.toArray()})}),d._parser.setEscHandlerFallback(function(e){d._logService.debug("Unknown ESC code: ",{identifier:d._parser.identToString(e)})}),d._parser.setExecuteHandlerFallback(function(e){d._logService.debug("Unknown EXECUTE code: ",{code:e})}),d._parser.setOscHandlerFallback(function(e,t,r){d._logService.debug("Unknown OSC code: ",{identifier:e,action:t,data:r})}),d._parser.setDcsHandlerFallback(function(e,t,r){"HOOK"===t&&(r=r.toArray()),d._logService.debug("Unknown DCS code: ",{identifier:d._parser.identToString(e),action:t,payload:r})}),d._parser.setPrintHandler(function(e,t,r){return d.print(e,t,r)}),d._parser.setCsiHandler({final:"@"},function(e){return d.insertChars(e)}),d._parser.setCsiHandler({intermediates:" ",final:"@"},function(e){return d.scrollLeft(e)}),d._parser.setCsiHandler({final:"A"},function(e){return d.cursorUp(e)}),d._parser.setCsiHandler({intermediates:" ",final:"A"},function(e){return d.scrollRight(e)}),d._parser.setCsiHandler({final:"B"},function(e){return d.cursorDown(e)}),d._parser.setCsiHandler({final:"C"},function(e){return d.cursorForward(e)}),d._parser.setCsiHandler({final:"D"},function(e){return d.cursorBackward(e)}),d._parser.setCsiHandler({final:"E"},function(e){return d.cursorNextLine(e)}),d._parser.setCsiHandler({final:"F"},function(e){return d.cursorPrecedingLine(e)}),d._parser.setCsiHandler({final:"G"},function(e){return d.cursorCharAbsolute(e)}),d._parser.setCsiHandler({final:"H"},function(e){return d.cursorPosition(e)}),d._parser.setCsiHandler({final:"I"},function(e){return d.cursorForwardTab(e)}),d._parser.setCsiHandler({final:"J"},function(e){return d.eraseInDisplay(e)}),d._parser.setCsiHandler({prefix:"?",final:"J"},function(e){return d.eraseInDisplay(e)}),d._parser.setCsiHandler({final:"K"},function(e){return d.eraseInLine(e)}),d._parser.setCsiHandler({prefix:"?",final:"K"},function(e){return d.eraseInLine(e)}),d._parser.setCsiHandler({final:"L"},function(e){return d.insertLines(e)}),d._parser.setCsiHandler({final:"M"},function(e){return d.deleteLines(e)}),d._parser.setCsiHandler({final:"P"},function(e){return d.deleteChars(e)}),d._parser.setCsiHandler({final:"S"},function(e){return d.scrollUp(e)}),d._parser.setCsiHandler({final:"T"},function(e){return d.scrollDown(e)}),d._parser.setCsiHandler({final:"X"},function(e){return d.eraseChars(e)}),d._parser.setCsiHandler({final:"Z"},function(e){return d.cursorBackwardTab(e)}),d._parser.setCsiHandler({final:"`"},function(e){return d.charPosAbsolute(e)}),d._parser.setCsiHandler({final:"a"},function(e){return 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d.charAttributes(e)}),d._parser.setCsiHandler({final:"n"},function(e){return d.deviceStatus(e)}),d._parser.setCsiHandler({prefix:"?",final:"n"},function(e){return d.deviceStatusPrivate(e)}),d._parser.setCsiHandler({intermediates:"!",final:"p"},function(e){return d.softReset(e)}),d._parser.setCsiHandler({intermediates:" ",final:"q"},function(e){return d.setCursorStyle(e)}),d._parser.setCsiHandler({final:"r"},function(e){return d.setScrollRegion(e)}),d._parser.setCsiHandler({final:"s"},function(e){return d.saveCursor(e)}),d._parser.setCsiHandler({final:"u"},function(e){return d.restoreCursor(e)}),d._parser.setCsiHandler({intermediates:"'",final:"}"},function(e){return d.insertColumns(e)}),d._parser.setCsiHandler({intermediates:"'",final:"~"},function(e){return d.deleteColumns(e)}),d._parser.setExecuteHandler(o.C0.BEL,function(){return d.bell()}),d._parser.setExecuteHandler(o.C0.LF,function(){return d.lineFeed()}),d._parser.setExecuteHandler(o.C0.VT,function(){return d.lineFeed()}),d._parser.setExecuteHandler(o.C0.FF,function(){return d.lineFeed()}),d._parser.setExecuteHandler(o.C0.CR,function(){return d.carriageReturn()}),d._parser.setExecuteHandler(o.C0.BS,function(){return d.backspace()}),d._parser.setExecuteHandler(o.C0.HT,function(){return d.tab()}),d._parser.setExecuteHandler(o.C0.SO,function(){return d.shiftOut()}),d._parser.setExecuteHandler(o.C0.SI,function(){return d.shiftIn()}),d._parser.setExecuteHandler(o.C1.IND,function(){return d.index()}),d._parser.setExecuteHandler(o.C1.NEL,function(){return d.nextLine()}),d._parser.setExecuteHandler(o.C1.HTS,function(){return d.tabSet()}),d._parser.setOscHandler(0,new g.OscHandler(function(e){return d.setTitle(e)})),d._parser.setOscHandler(2,new g.OscHandler(function(e){return d.setTitle(e)})),d._parser.setEscHandler({final:"7"},function(){return d.saveCursor()}),d._parser.setEscHandler({final:"8"},function(){return d.restoreCursor()}),d._parser.setEscHandler({final:"D"},function(){return d.index()}),d._parser.setEscHandler({final:"E"},function(){return d.nextLine()}),d._parser.setEscHandler({final:"H"},function(){return d.tabSet()}),d._parser.setEscHandler({final:"M"},function(){return d.reverseIndex()}),d._parser.setEscHandler({final:"="},function(){return d.keypadApplicationMode()}),d._parser.setEscHandler({final:">"},function(){return d.keypadNumericMode()}),d._parser.setEscHandler({final:"c"},function(){return d.reset()}),d._parser.setEscHandler({final:"n"},function(){return d.setgLevel(2)}),d._parser.setEscHandler({final:"o"},function(){return d.setgLevel(3)}),d._parser.setEscHandler({final:"|"},function(){return d.setgLevel(3)}),d._parser.setEscHandler({final:"}"},function(){return d.setgLevel(2)}),d._parser.setEscHandler({final:"~"},function(){return d.setgLevel(1)}),d._parser.setEscHandler({intermediates:"%",final:"@"},function(){return d.selectDefaultCharset()}),d._parser.setEscHandler({intermediates:"%",final:"G"},function(){return d.selectDefaultCharset()});var v=function(e){y._parser.setEscHandler({intermediates:"(",final:e},function(){return d.selectCharset("("+e)}),y._parser.setEscHandler({intermediates:")",final:e},function(){return d.selectCharset(")"+e)}),y._parser.setEscHandler({intermediates:"*",final:e},function(){return d.selectCharset("*"+e)}),y._parser.setEscHandler({intermediates:"+",final:e},function(){return d.selectCharset("+"+e)}),y._parser.setEscHandler({intermediates:"-",final:e},function(){return d.selectCharset("-"+e)}),y._parser.setEscHandler({intermediates:".",final:e},function(){return d.selectCharset("."+e)}),y._parser.setEscHandler({intermediates:"/",final:e},function(){return d.selectCharset("/"+e)})},y=this;for(var b in s.CHARSETS)v(b);return d._parser.setEscHandler({intermediates:"#",final:"8"},function(){return d.screenAlignmentPattern()}),d._parser.setErrorHandler(function(e){return d._logService.error("Parsing error: ",e),e}),d._parser.setDcsHandler({intermediates:"$",final:"q"},new m(d._bufferService,d._coreService,d._logService,d._optionsService)),d}return n(t,e),Object.defineProperty(t.prototype,"onCursorMove",{get:function(){return this._onCursorMove.event},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"onLineFeed",{get:function(){return this._onLineFeed.event},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"onScroll",{get:function(){return this._onScroll.event},enumerable:!0,configurable:!0}),t.prototype.dispose=function(){e.prototype.dispose.call(this)},t.prototype.parse=function(e){var t=this._bufferService.buffer,r=t.x,i=t.y;if(this._logService.debug("parsing data",e),this._parseBuffer.length<e.length&&this._parseBuffer.length<131072&&(this._parseBuffer=new Uint32Array(Math.min(e.length,131072))),this._dirtyRowService.clearRange(),e.length>131072)for(var n=0;n<e.length;n+=131072){var o=n+131072<e.length?n+131072:e.length,s="string"==typeof e?this._stringDecoder.decode(e.substring(n,o),this._parseBuffer):this._utf8Decoder.decode(e.subarray(n,o),this._parseBuffer);this._parser.parse(this._parseBuffer,s)}else{s="string"==typeof e?this._stringDecoder.decode(e,this._parseBuffer):this._utf8Decoder.decode(e,this._parseBuffer);this._parser.parse(this._parseBuffer,s)}(t=this._bufferService.buffer).x===r&&t.y===i||this._onCursorMove.fire(),this._terminal.refresh(this._dirtyRowService.start,this._dirtyRowService.end)},t.prototype.print=function(e,t,r){var i,n,o=this._bufferService.buffer,s=this._terminal.charset,c=this._optionsService.options.screenReaderMode,l=this._bufferService.cols,h=this._terminal.wraparoundMode,f=this._terminal.insertMode,_=this._terminal.curAttrData,p=o.lines.get(o.y+o.ybase);this._dirtyRowService.markDirty(o.y);for(var v=t;v<r;++v){if(i=e[v],n=a.wcwidth(i),i<127&&s){var g=s[String.fromCharCode(i)];g&&(i=g.charCodeAt(0))}if(c&&this._terminal.onA11yCharEmitter.fire(u.stringFromCodePoint(i)),n||!o.x){if(o.x+n-1>=l)if(h)o.x=0,o.y++,o.y===o.scrollBottom+1?(o.y--,this._terminal.scroll(!0)):(o.y>=this._bufferService.rows&&(o.y=this._bufferService.rows-1),o.lines.get(o.y).isWrapped=!0),p=o.lines.get(o.y+o.ybase);else if(o.x=l-1,2===n)continue;if(f&&(p.insertCells(o.x,n,o.getNullCell(_)),2===p.getWidth(l-1)&&p.setCellFromCodePoint(l-1,d.NULL_CELL_CODE,d.NULL_CELL_WIDTH,_.fg,_.bg)),p.setCellFromCodePoint(o.x++,i,n,_.fg,_.bg),n>0)for(;--n;)p.setCellFromCodePoint(o.x++,0,0,_.fg,_.bg)}else p.getWidth(o.x-1)?p.addCodepointToCell(o.x-1,i):p.addCodepointToCell(o.x-2,i)}r&&(p.loadCell(o.x-1,this._workCell),2===this._workCell.getWidth()||this._workCell.getCode()>65535?this._parser.precedingCodepoint=0:this._workCell.isCombined()?this._parser.precedingCodepoint=this._workCell.getChars().charCodeAt(0):this._parser.precedingCodepoint=this._workCell.content),this._dirtyRowService.markDirty(o.y)},t.prototype.addCsiHandler=function(e,t){return this._parser.addCsiHandler(e,t)},t.prototype.addDcsHandler=function(e,t){return this._parser.addDcsHandler(e,new y.DcsHandler(t))},t.prototype.addEscHandler=function(e,t){return this._parser.addEscHandler(e,t)},t.prototype.addOscHandler=function(e,t){return this._parser.addOscHandler(e,new g.OscHandler(t))},t.prototype.bell=function(){this._terminal.bell()},t.prototype.lineFeed=function(){var e=this._bufferService.buffer;this._dirtyRowService.markDirty(e.y),this._optionsService.options.convertEol&&(e.x=0),e.y++,e.y===e.scrollBottom+1?(e.y--,this._terminal.scroll()):e.y>=this._bufferService.rows&&(e.y=this._bufferService.rows-1),e.x>=this._bufferService.cols&&e.x--,this._dirtyRowService.markDirty(e.y),this._onLineFeed.fire()},t.prototype.carriageReturn=function(){this._bufferService.buffer.x=0},t.prototype.backspace=function(){this._restrictCursor(),this._bufferService.buffer.x>0&&this._bufferService.buffer.x--},t.prototype.tab=function(){if(!(this._bufferService.buffer.x>=this._bufferService.cols)){var e=this._bufferService.buffer.x;this._bufferService.buffer.x=this._bufferService.buffer.nextStop(),this._optionsService.options.screenReaderMode&&this._terminal.onA11yTabEmitter.fire(this._bufferService.buffer.x-e)}},t.prototype.shiftOut=function(){this._terminal.setgLevel(1)},t.prototype.shiftIn=function(){this._terminal.setgLevel(0)},t.prototype._restrictCursor=function(){this._bufferService.buffer.x=Math.min(this._bufferService.cols-1,Math.max(0,this._bufferService.buffer.x)),this._bufferService.buffer.y=this._terminal.originMode?Math.min(this._bufferService.buffer.scrollBottom,Math.max(this._bufferService.buffer.scrollTop,this._bufferService.buffer.y)):Math.min(this._bufferService.rows-1,Math.max(0,this._bufferService.buffer.y)),this._dirtyRowService.markDirty(this._bufferService.buffer.y)},t.prototype._setCursor=function(e,t){this._dirtyRowService.markDirty(this._bufferService.buffer.y),this._terminal.originMode?(this._bufferService.buffer.x=e,this._bufferService.buffer.y=this._bufferService.buffer.scrollTop+t):(this._bufferService.buffer.x=e,this._bufferService.buffer.y=t),this._restrictCursor(),this._dirtyRowService.markDirty(this._bufferService.buffer.y)},t.prototype._moveCursor=function(e,t){this._restrictCursor(),this._setCursor(this._bufferService.buffer.x+e,this._bufferService.buffer.y+t)},t.prototype.cursorUp=function(e){var t=this._bufferService.buffer.y-this._bufferService.buffer.scrollTop;t>=0?this._moveCursor(0,-Math.min(t,e.params[0]||1)):this._moveCursor(0,-(e.params[0]||1))},t.prototype.cursorDown=function(e){var t=this._bufferService.buffer.scrollBottom-this._bufferService.buffer.y;t>=0?this._moveCursor(0,Math.min(t,e.params[0]||1)):this._moveCursor(0,e.params[0]||1)},t.prototype.cursorForward=function(e){this._moveCursor(e.params[0]||1,0)},t.prototype.cursorBackward=function(e){this._moveCursor(-(e.params[0]||1),0)},t.prototype.cursorNextLine=function(e){this.cursorDown(e),this._bufferService.buffer.x=0},t.prototype.cursorPrecedingLine=function(e){this.cursorUp(e),this._bufferService.buffer.x=0},t.prototype.cursorCharAbsolute=function(e){this._setCursor((e.params[0]||1)-1,this._bufferService.buffer.y)},t.prototype.cursorPosition=function(e){this._setCursor(e.length>=2?(e.params[1]||1)-1:0,(e.params[0]||1)-1)},t.prototype.charPosAbsolute=function(e){this._setCursor((e.params[0]||1)-1,this._bufferService.buffer.y)},t.prototype.hPositionRelative=function(e){this._moveCursor(e.params[0]||1,0)},t.prototype.linePosAbsolute=function(e){this._setCursor(this._bufferService.buffer.x,(e.params[0]||1)-1)},t.prototype.vPositionRelative=function(e){this._moveCursor(0,e.params[0]||1)},t.prototype.hVPosition=function(e){this.cursorPosition(e)},t.prototype.tabClear=function(e){var t=e.params[0];0===t?delete this._bufferService.buffer.tabs[this._bufferService.buffer.x]:3===t&&(this._bufferService.buffer.tabs={})},t.prototype.cursorForwardTab=function(e){if(!(this._bufferService.buffer.x>=this._bufferService.cols))for(var t=e.params[0]||1;t--;)this._bufferService.buffer.x=this._bufferService.buffer.nextStop()},t.prototype.cursorBackwardTab=function(e){if(!(this._bufferService.buffer.x>=this._bufferService.cols))for(var t=e.params[0]||1,r=this._bufferService.buffer;t--;)r.x=r.prevStop()},t.prototype._eraseInBufferLine=function(e,t,r,i){void 0===i&&(i=!1);var n=this._bufferService.buffer.lines.get(this._bufferService.buffer.ybase+e);n.replaceCells(t,r,this._bufferService.buffer.getNullCell(this._terminal.eraseAttrData())),i&&(n.isWrapped=!1)},t.prototype._resetBufferLine=function(e){var t=this._bufferService.buffer.lines.get(this._bufferService.buffer.ybase+e);t.fill(this._bufferService.buffer.getNullCell(this._terminal.eraseAttrData())),t.isWrapped=!1},t.prototype.eraseInDisplay=function(e){var t;switch(this._restrictCursor(),e.params[0]){case 0:for(t=this._bufferService.buffer.y,this._dirtyRowService.markDirty(t),this._eraseInBufferLine(t++,this._bufferService.buffer.x,this._bufferService.cols,0===this._bufferService.buffer.x);t<this._bufferService.rows;t++)this._resetBufferLine(t);this._dirtyRowService.markDirty(t);break;case 1:for(t=this._bufferService.buffer.y,this._dirtyRowService.markDirty(t),this._eraseInBufferLine(t,0,this._bufferService.buffer.x+1,!0),this._bufferService.buffer.x+1>=this._bufferService.cols&&(this._bufferService.buffer.lines.get(t+1).isWrapped=!1);t--;)this._resetBufferLine(t);this._dirtyRowService.markDirty(0);break;case 2:for(t=this._bufferService.rows,this._dirtyRowService.markDirty(t-1);t--;)this._resetBufferLine(t);this._dirtyRowService.markDirty(0);break;case 3:var r=this._bufferService.buffer.lines.length-this._bufferService.rows;r>0&&(this._bufferService.buffer.lines.trimStart(r),this._bufferService.buffer.ybase=Math.max(this._bufferService.buffer.ybase-r,0),this._bufferService.buffer.ydisp=Math.max(this._bufferService.buffer.ydisp-r,0),this._onScroll.fire(0))}},t.prototype.eraseInLine=function(e){switch(this._restrictCursor(),e.params[0]){case 0:this._eraseInBufferLine(this._bufferService.buffer.y,this._bufferService.buffer.x,this._bufferService.cols);break;case 1:this._eraseInBufferLine(this._bufferService.buffer.y,0,this._bufferService.buffer.x+1);break;case 2:this._eraseInBufferLine(this._bufferService.buffer.y,0,this._bufferService.cols)}this._dirtyRowService.markDirty(this._bufferService.buffer.y)},t.prototype.insertLines=function(e){this._restrictCursor();var t=e.params[0]||1,r=this._bufferService.buffer;if(!(r.y>r.scrollBottom||r.y<r.scrollTop)){for(var i=r.y+r.ybase,n=this._bufferService.rows-1-r.scrollBottom,o=this._bufferService.rows-1+r.ybase-n+1;t--;)r.lines.splice(o-1,1),r.lines.splice(i,0,r.getBlankLine(this._terminal.eraseAttrData()));this._dirtyRowService.markRangeDirty(r.y,r.scrollBottom),r.x=0}},t.prototype.deleteLines=function(e){this._restrictCursor();var t=e.params[0]||1,r=this._bufferService.buffer;if(!(r.y>r.scrollBottom||r.y<r.scrollTop)){var i,n=r.y+r.ybase;for(i=this._bufferService.rows-1-r.scrollBottom,i=this._bufferService.rows-1+r.ybase-i;t--;)r.lines.splice(n,1),r.lines.splice(i,0,r.getBlankLine(this._terminal.eraseAttrData()));this._dirtyRowService.markRangeDirty(r.y,r.scrollBottom),r.x=0}},t.prototype.insertChars=function(e){this._restrictCursor();var t=this._bufferService.buffer.lines.get(this._bufferService.buffer.y+this._bufferService.buffer.ybase);t&&(t.insertCells(this._bufferService.buffer.x,e.params[0]||1,this._bufferService.buffer.getNullCell(this._terminal.eraseAttrData())),this._dirtyRowService.markDirty(this._bufferService.buffer.y))},t.prototype.deleteChars=function(e){this._restrictCursor();var t=this._bufferService.buffer.lines.get(this._bufferService.buffer.y+this._bufferService.buffer.ybase);t&&(t.deleteCells(this._bufferService.buffer.x,e.params[0]||1,this._bufferService.buffer.getNullCell(this._terminal.eraseAttrData())),this._dirtyRowService.markDirty(this._bufferService.buffer.y))},t.prototype.scrollUp=function(e){for(var t=e.params[0]||1,r=this._bufferService.buffer;t--;)r.lines.splice(r.ybase+r.scrollTop,1),r.lines.splice(r.ybase+r.scrollBottom,0,r.getBlankLine(this._terminal.eraseAttrData()));this._dirtyRowService.markRangeDirty(r.scrollTop,r.scrollBottom)},t.prototype.scrollDown=function(e){for(var t=e.params[0]||1,r=this._bufferService.buffer;t--;)r.lines.splice(r.ybase+r.scrollBottom,1),r.lines.splice(r.ybase+r.scrollTop,0,r.getBlankLine(f.DEFAULT_ATTR_DATA));this._dirtyRowService.markRangeDirty(r.scrollTop,r.scrollBottom)},t.prototype.scrollLeft=function(e){var t=this._bufferService.buffer;if(!(t.y>t.scrollBottom||t.y<t.scrollTop)){for(var r=e.params[0]||1,i=t.scrollTop;i<=t.scrollBottom;++i){var n=t.lines.get(t.ybase+i);n.deleteCells(0,r,t.getNullCell(this._terminal.eraseAttrData())),n.isWrapped=!1}this._dirtyRowService.markRangeDirty(t.scrollTop,t.scrollBottom)}},t.prototype.scrollRight=function(e){var t=this._bufferService.buffer;if(!(t.y>t.scrollBottom||t.y<t.scrollTop)){for(var r=e.params[0]||1,i=t.scrollTop;i<=t.scrollBottom;++i){var n=t.lines.get(t.ybase+i);n.insertCells(0,r,t.getNullCell(this._terminal.eraseAttrData())),n.isWrapped=!1}this._dirtyRowService.markRangeDirty(t.scrollTop,t.scrollBottom)}},t.prototype.insertColumns=function(e){var t=this._bufferService.buffer;if(!(t.y>t.scrollBottom||t.y<t.scrollTop)){for(var r=e.params[0]||1,i=t.scrollTop;i<=t.scrollBottom;++i){var n=this._bufferService.buffer.lines.get(t.ybase+i);n.insertCells(t.x,r,t.getNullCell(this._terminal.eraseAttrData())),n.isWrapped=!1}this._dirtyRowService.markRangeDirty(t.scrollTop,t.scrollBottom)}},t.prototype.deleteColumns=function(e){var t=this._bufferService.buffer;if(!(t.y>t.scrollBottom||t.y<t.scrollTop)){for(var r=e.params[0]||1,i=t.scrollTop;i<=t.scrollBottom;++i){var n=t.lines.get(t.ybase+i);n.deleteCells(t.x,r,t.getNullCell(this._terminal.eraseAttrData())),n.isWrapped=!1}this._dirtyRowService.markRangeDirty(t.scrollTop,t.scrollBottom)}},t.prototype.eraseChars=function(e){this._restrictCursor();var t=this._bufferService.buffer.lines.get(this._bufferService.buffer.y+this._bufferService.buffer.ybase);t&&(t.replaceCells(this._bufferService.buffer.x,this._bufferService.buffer.x+(e.params[0]||1),this._bufferService.buffer.getNullCell(this._terminal.eraseAttrData())),this._dirtyRowService.markDirty(this._bufferService.buffer.y))},t.prototype.repeatPrecedingCharacter=function(e){if(this._parser.precedingCodepoint){for(var t=e.params[0]||1,r=new Uint32Array(t),i=0;i<t;++i)r[i]=this._parser.precedingCodepoint;this.print(r,0,r.length)}},t.prototype.sendDeviceAttributesPrimary=function(e){e.params[0]>0||(this._terminal.is("xterm")||this._terminal.is("rxvt-unicode")||this._terminal.is("screen")?this._coreService.triggerDataEvent(o.C0.ESC+"[?1;2c"):this._terminal.is("linux")&&this._coreService.triggerDataEvent(o.C0.ESC+"[?6c"))},t.prototype.sendDeviceAttributesSecondary=function(e){e.params[0]>0||(this._terminal.is("xterm")?this._coreService.triggerDataEvent(o.C0.ESC+"[>0;276;0c"):this._terminal.is("rxvt-unicode")?this._coreService.triggerDataEvent(o.C0.ESC+"[>85;95;0c"):this._terminal.is("linux")?this._coreService.triggerDataEvent(e.params[0]+"c"):this._terminal.is("screen")&&this._coreService.triggerDataEvent(o.C0.ESC+"[>83;40003;0c"))},t.prototype.setMode=function(e){for(var t=0;t<e.length;t++)switch(e.params[t]){case 4:this._terminal.insertMode=!0}},t.prototype.setModePrivate=function(e){for(var t=0;t<e.length;t++)switch(e.params[t]){case 1:this._coreService.decPrivateModes.applicationCursorKeys=!0;break;case 2:this._terminal.setgCharset(0,s.DEFAULT_CHARSET),this._terminal.setgCharset(1,s.DEFAULT_CHARSET),this._terminal.setgCharset(2,s.DEFAULT_CHARSET),this._terminal.setgCharset(3,s.DEFAULT_CHARSET);break;case 3:this._terminal.savedCols=this._bufferService.cols,this._terminal.resize(132,this._bufferService.rows),this._terminal.reset();break;case 6:this._terminal.originMode=!0,this._setCursor(0,0);break;case 7:this._terminal.wraparoundMode=!0;break;case 12:break;case 66:this._logService.debug("Serial port requested application keypad."),this._terminal.applicationKeypad=!0,this._terminal.viewport&&this._terminal.viewport.syncScrollArea();break;case 9:this._coreMouseService.activeProtocol="X10";break;case 1e3:this._coreMouseService.activeProtocol="VT200";break;case 1002:this._coreMouseService.activeProtocol="DRAG";break;case 1003:this._coreMouseService.activeProtocol="ANY";break;case 1004:this._terminal.sendFocus=!0;break;case 1005:this._logService.debug("DECSET 1005 not supported (see #2507)");break;case 1006:this._coreMouseService.activeEncoding="SGR";break;case 1015:this._logService.debug("DECSET 1015 not supported (see #2507)");break;case 25:this._coreService.isCursorHidden=!1;break;case 1048:this.saveCursor();break;case 1049:this.saveCursor();case 47:case 1047:this._bufferService.buffers.activateAltBuffer(this._terminal.eraseAttrData()),this._terminal.refresh(0,this._bufferService.rows-1),this._terminal.viewport&&this._terminal.viewport.syncScrollArea(),this._terminal.showCursor();break;case 2004:this._terminal.bracketedPasteMode=!0}},t.prototype.resetMode=function(e){for(var t=0;t<e.length;t++)switch(e.params[t]){case 4:this._terminal.insertMode=!1}},t.prototype.resetModePrivate=function(e){for(var t=0;t<e.length;t++)switch(e.params[t]){case 1:this._coreService.decPrivateModes.applicationCursorKeys=!1;break;case 3:132===this._bufferService.cols&&this._terminal.savedCols&&this._terminal.resize(this._terminal.savedCols,this._bufferService.rows),delete this._terminal.savedCols,this._terminal.reset();break;case 6:this._terminal.originMode=!1,this._setCursor(0,0);break;case 7:this._terminal.wraparoundMode=!1;break;case 12:break;case 66:this._logService.debug("Switching back to normal keypad."),this._terminal.applicationKeypad=!1,this._terminal.viewport&&this._terminal.viewport.syncScrollArea();break;case 9:case 1e3:case 1002:case 1003:this._coreMouseService.activeProtocol="NONE";break;case 1004:this._terminal.sendFocus=!1;break;case 1005:this._logService.debug("DECRST 1005 not supported (see #2507)");break;case 1006:this._coreMouseService.activeEncoding="DEFAULT";break;case 1015:this._logService.debug("DECRST 1015 not supported (see #2507)");break;case 25:this._coreService.isCursorHidden=!0;break;case 1048:this.restoreCursor();break;case 1049:case 47:case 1047:this._bufferService.buffers.activateNormalBuffer(),1049===e.params[t]&&this.restoreCursor(),this._terminal.refresh(0,this._bufferService.rows-1),this._terminal.viewport&&this._terminal.viewport.syncScrollArea(),this._terminal.showCursor();break;case 2004:this._terminal.bracketedPasteMode=!1}},t.prototype._extractColor=function(e,t,r){var i=[0,0,-1,0,0,0],n=0,o=0;do{if(i[o+n]=e.params[t+o],e.hasSubParams(t+o)){var s=e.getSubParams(t+o),a=0;do{5===i[1]&&(n=1),i[o+a+1+n]=s[a]}while(++a<s.length&&a+o+1+n<i.length);break}if(5===i[1]&&o+n>=2||2===i[1]&&o+n>=5)break;i[1]&&(n=1)}while(++o+t<e.length&&o+n<i.length);for(a=2;a<i.length;++a)-1===i[a]&&(i[a]=0);return 38===i[0]?2===i[1]?(r.fg|=50331648,r.fg&=-16777216,r.fg|=v.AttributeData.fromColorRGB([i[3],i[4],i[5]])):5===i[1]&&(r.fg&=-50331904,r.fg|=33554432|255&i[3]):48===i[0]&&(2===i[1]?(r.bg|=50331648,r.bg&=-16777216,r.bg|=v.AttributeData.fromColorRGB([i[3],i[4],i[5]])):5===i[1]&&(r.bg&=-50331904,r.bg|=33554432|255&i[3])),o},t.prototype.charAttributes=function(e){if(1===e.length&&0===e.params[0])return this._terminal.curAttrData.fg=f.DEFAULT_ATTR_DATA.fg,void(this._terminal.curAttrData.bg=f.DEFAULT_ATTR_DATA.bg);for(var t,r=e.length,i=this._terminal.curAttrData,n=0;n<r;n++)(t=e.params[n])>=30&&t<=37?(i.fg&=-50331904,i.fg|=16777216|t-30):t>=40&&t<=47?(i.bg&=-50331904,i.bg|=16777216|t-40):t>=90&&t<=97?(i.fg&=-50331904,i.fg|=16777224|t-90):t>=100&&t<=107?(i.bg&=-50331904,i.bg|=16777224|t-100):0===t?(i.fg=f.DEFAULT_ATTR_DATA.fg,i.bg=f.DEFAULT_ATTR_DATA.bg):1===t?i.fg|=134217728:3===t?i.bg|=67108864:4===t?i.fg|=268435456:5===t?i.fg|=536870912:7===t?i.fg|=67108864:8===t?i.fg|=1073741824:2===t?i.bg|=134217728:22===t?(i.fg&=-134217729,i.bg&=-134217729):23===t?i.bg&=-67108865:24===t?i.fg&=-268435457:25===t?i.fg&=-536870913:27===t?i.fg&=-67108865:28===t?i.fg&=-1073741825:39===t?(i.fg&=-67108864,i.fg|=16777215&f.DEFAULT_ATTR_DATA.fg):49===t?(i.bg&=-67108864,i.bg|=16777215&f.DEFAULT_ATTR_DATA.bg):38===t||48===t?n+=this._extractColor(e,n,i):100===t?(i.fg&=-67108864,i.fg|=16777215&f.DEFAULT_ATTR_DATA.fg,i.bg&=-67108864,i.bg|=16777215&f.DEFAULT_ATTR_DATA.bg):this._logService.debug("Unknown SGR attribute: %d.",t)},t.prototype.deviceStatus=function(e){switch(e.params[0]){case 5:this._coreService.triggerDataEvent(o.C0.ESC+"[0n");break;case 6:var t=this._bufferService.buffer.y+1,r=this._bufferService.buffer.x+1;this._coreService.triggerDataEvent(o.C0.ESC+"["+t+";"+r+"R")}},t.prototype.deviceStatusPrivate=function(e){switch(e.params[0]){case 6:var t=this._bufferService.buffer.y+1,r=this._bufferService.buffer.x+1;this._coreService.triggerDataEvent(o.C0.ESC+"[?"+t+";"+r+"R")}},t.prototype.softReset=function(e){this._coreService.isCursorHidden=!1,this._terminal.insertMode=!1,this._terminal.originMode=!1,this._terminal.wraparoundMode=!0,this._terminal.applicationKeypad=!1,this._terminal.viewport&&this._terminal.viewport.syncScrollArea(),this._coreService.decPrivateModes.applicationCursorKeys=!1,this._bufferService.buffer.scrollTop=0,this._bufferService.buffer.scrollBottom=this._bufferService.rows-1,this._terminal.curAttrData=f.DEFAULT_ATTR_DATA.clone(),this._bufferService.buffer.x=this._bufferService.buffer.y=0,this._terminal.charset=null,this._terminal.glevel=0,this._terminal.charsets=[null]},t.prototype.setCursorStyle=function(e){var t=e.params[0]||1;switch(t){case 1:case 2:this._optionsService.options.cursorStyle="block";break;case 3:case 4:this._optionsService.options.cursorStyle="underline";break;case 5:case 6:this._optionsService.options.cursorStyle="bar"}var r=t%2==1;this._optionsService.options.cursorBlink=r},t.prototype.setScrollRegion=function(e){var t,r=e.params[0]||1;(e.length<2||(t=e.params[1])>this._bufferService.rows||0===t)&&(t=this._bufferService.rows),t>r&&(this._bufferService.buffer.scrollTop=r-1,this._bufferService.buffer.scrollBottom=t-1,this._setCursor(0,0))},t.prototype.saveCursor=function(e){this._bufferService.buffer.savedX=this._bufferService.buffer.x,this._bufferService.buffer.savedY=this._bufferService.buffer.ybase+this._bufferService.buffer.y,this._bufferService.buffer.savedCurAttrData.fg=this._terminal.curAttrData.fg,this._bufferService.buffer.savedCurAttrData.bg=this._terminal.curAttrData.bg,this._bufferService.buffer.savedCharset=this._terminal.charset},t.prototype.restoreCursor=function(e){this._bufferService.buffer.x=this._bufferService.buffer.savedX||0,this._bufferService.buffer.y=Math.max(this._bufferService.buffer.savedY-this._bufferService.buffer.ybase,0),this._terminal.curAttrData.fg=this._bufferService.buffer.savedCurAttrData.fg,this._terminal.curAttrData.bg=this._bufferService.buffer.savedCurAttrData.bg,this._terminal.charset=this._savedCharset,this._bufferService.buffer.savedCharset&&(this._terminal.charset=this._bufferService.buffer.savedCharset),this._restrictCursor()},t.prototype.setTitle=function(e){this._terminal.handleTitle(e)},t.prototype.nextLine=function(){this._bufferService.buffer.x=0,this.index()},t.prototype.keypadApplicationMode=function(){this._logService.debug("Serial port requested application keypad."),this._terminal.applicationKeypad=!0,this._terminal.viewport&&this._terminal.viewport.syncScrollArea()},t.prototype.keypadNumericMode=function(){this._logService.debug("Switching back to normal keypad."),this._terminal.applicationKeypad=!1,this._terminal.viewport&&this._terminal.viewport.syncScrollArea()},t.prototype.selectDefaultCharset=function(){this._terminal.setgLevel(0),this._terminal.setgCharset(0,s.DEFAULT_CHARSET)},t.prototype.selectCharset=function(e){2===e.length?"/"!==e[0]&&this._terminal.setgCharset(b[e[0]],s.CHARSETS[e[1]]||s.DEFAULT_CHARSET):this.selectDefaultCharset()},t.prototype.index=function(){this._restrictCursor();var e=this._bufferService.buffer;this._bufferService.buffer.y++,e.y===e.scrollBottom+1?(e.y--,this._terminal.scroll()):e.y>=this._bufferService.rows&&(e.y=this._bufferService.rows-1),this._restrictCursor()},t.prototype.tabSet=function(){this._bufferService.buffer.tabs[this._bufferService.buffer.x]=!0},t.prototype.reverseIndex=function(){this._restrictCursor();var e=this._bufferService.buffer;if(e.y===e.scrollTop){var t=e.scrollBottom-e.scrollTop;e.lines.shiftElements(e.y+e.ybase,t,1),e.lines.set(e.y+e.ybase,e.getBlankLine(this._terminal.eraseAttrData())),this._dirtyRowService.markRangeDirty(e.scrollTop,e.scrollBottom)}else e.y--,this._restrictCursor()},t.prototype.reset=function(){this._parser.reset(),this._terminal.reset()},t.prototype.setgLevel=function(e){this._terminal.setgLevel(e)},t.prototype.screenAlignmentPattern=function(){var e=new p.CellData;e.content=1<<22|"E".charCodeAt(0),e.fg=this._terminal.curAttrData.fg,e.bg=this._terminal.curAttrData.bg;var t=this._bufferService.buffer;this._setCursor(0,0);for(var r=0;r<this._bufferService.rows;++r){var i=t.y+t.ybase+r;t.lines.get(i).fill(e),t.lines.get(i).isWrapped=!1}this._dirtyRowService.markAllDirty(),this._setCursor(0,0)},t}(l.Disposable);t.InputHandler=C},function(e,t,r){"use strict";var i,n=this&&this.__extends||(i=function(e,t){return(i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])})(e,t)},function(e,t){function r(){this.constructor=e}i(e,t),e.prototype=null===t?Object.create(t):(r.prototype=t.prototype,new r)});Object.defineProperty(t,"__esModule",{value:!0});var o=r(2),s=r(15),a=r(20),c=r(21),l=r(23),h=function(){function e(e){this.table=new Uint8Array(e)}return e.prototype.setDefault=function(e,t){s.fill(this.table,e<<4|t)},e.prototype.add=function(e,t,r,i){this.table[t<<8|e]=r<<4|i},e.prototype.addMany=function(e,t,r,i){for(var n=0;n<e.length;n++)this.table[t<<8|e[n]]=r<<4|i},e}();t.TransitionTable=h;t.VT500_TRANSITION_TABLE=function(){var e=new h(4095),t=Array.apply(null,Array(256)).map(function(e,t){return t}),r=function(e,r){return t.slice(e,r)},i=r(32,127),n=r(0,24);n.push(25),n.push.apply(n,r(28,32));var o,s=r(0,14);for(o in e.setDefault(1,0),e.addMany(i,0,2,0),s)e.addMany([24,26,153,154],o,3,0),e.addMany(r(128,144),o,3,0),e.addMany(r(144,152),o,3,0),e.add(156,o,0,0),e.add(27,o,11,1),e.add(157,o,4,8),e.addMany([152,158,159],o,0,7),e.add(155,o,11,3),e.add(144,o,11,9);return e.addMany(n,0,3,0),e.addMany(n,1,3,1),e.add(127,1,0,1),e.addMany(n,8,0,8),e.addMany(n,3,3,3),e.add(127,3,0,3),e.addMany(n,4,3,4),e.add(127,4,0,4),e.addMany(n,6,3,6),e.addMany(n,5,3,5),e.add(127,5,0,5),e.addMany(n,2,3,2),e.add(127,2,0,2),e.add(93,1,4,8),e.addMany(i,8,5,8),e.add(127,8,5,8),e.addMany([156,27,24,26,7],8,6,0),e.addMany(r(28,32),8,0,8),e.addMany([88,94,95],1,0,7),e.addMany(i,7,0,7),e.addMany(n,7,0,7),e.add(156,7,0,0),e.add(127,7,0,7),e.add(91,1,11,3),e.addMany(r(64,127),3,7,0),e.addMany(r(48,60),3,8,4),e.addMany([60,61,62,63],3,9,4),e.addMany(r(48,60),4,8,4),e.addMany(r(64,127),4,7,0),e.addMany([60,61,62,63],4,0,6),e.addMany(r(32,64),6,0,6),e.add(127,6,0,6),e.addMany(r(64,127),6,0,0),e.addMany(r(32,48),3,9,5),e.addMany(r(32,48),5,9,5),e.addMany(r(48,64),5,0,6),e.addMany(r(64,127),5,7,0),e.addMany(r(32,48),4,9,5),e.addMany(r(32,48),1,9,2),e.addMany(r(32,48),2,9,2),e.addMany(r(48,127),2,10,0),e.addMany(r(48,80),1,10,0),e.addMany(r(81,88),1,10,0),e.addMany([89,90,92],1,10,0),e.addMany(r(96,127),1,10,0),e.add(80,1,11,9),e.addMany(n,9,0,9),e.add(127,9,0,9),e.addMany(r(28,32),9,0,9),e.addMany(r(32,48),9,9,12),e.addMany(r(48,60),9,8,10),e.addMany([60,61,62,63],9,9,10),e.addMany(n,11,0,11),e.addMany(r(32,128),11,0,11),e.addMany(r(28,32),11,0,11),e.addMany(n,10,0,10),e.add(127,10,0,10),e.addMany(r(28,32),10,0,10),e.addMany(r(48,60),10,8,10),e.addMany([60,61,62,63],10,0,11),e.addMany(r(32,48),10,9,12),e.addMany(n,12,0,12),e.add(127,12,0,12),e.addMany(r(28,32),12,0,12),e.addMany(r(32,48),12,9,12),e.addMany(r(48,64),12,0,11),e.addMany(r(64,127),12,12,13),e.addMany(r(64,127),10,12,13),e.addMany(r(64,127),9,12,13),e.addMany(n,13,13,13),e.addMany(i,13,13,13),e.add(127,13,0,13),e.addMany([27,156,24,26],13,14,0),e.add(160,0,2,0),e.add(160,8,5,8),e.add(160,6,0,6),e.add(160,11,0,11),e.add(160,13,13,13),e}();var u=function(e){function r(r){void 0===r&&(r=t.VT500_TRANSITION_TABLE);var i=e.call(this)||this;return i.TRANSITIONS=r,i.initialState=0,i.currentState=i.initialState,i._params=new a.Params,i._params.addParam(0),i._collect=0,i.precedingCodepoint=0,i._printHandlerFb=function(e,t,r){},i._executeHandlerFb=function(e){},i._csiHandlerFb=function(e,t){},i._escHandlerFb=function(e){},i._errorHandlerFb=function(e){return e},i._printHandler=i._printHandlerFb,i._executeHandlers=Object.create(null),i._csiHandlers=Object.create(null),i._escHandlers=Object.create(null),i._oscParser=new c.OscParser,i._dcsParser=new l.DcsParser,i._errorHandler=i._errorHandlerFb,i.setEscHandler({final:"\\"},function(){}),i}return n(r,e),r.prototype._identifier=function(e,t){void 0===t&&(t=[64,126]);var r=0;if(e.prefix){if(e.prefix.length>1)throw new Error("only one byte as prefix supported");if((r=e.prefix.charCodeAt(0))&&60>r||r>63)throw new Error("prefix must be in range 0x3c .. 0x3f")}if(e.intermediates){if(e.intermediates.length>2)throw new Error("only two bytes as intermediates are supported");for(var i=0;i<e.intermediates.length;++i){var n=e.intermediates.charCodeAt(i);if(32>n||n>47)throw new Error("intermediate must be in range 0x20 .. 0x2f");r<<=8,r|=n}}if(1!==e.final.length)throw new Error("final must be a single byte");var o=e.final.charCodeAt(0);if(t[0]>o||o>t[1])throw new Error("final must be in range "+t[0]+" .. "+t[1]);return r<<=8,r|=o},r.prototype.identToString=function(e){for(var t=[];e;)t.push(String.fromCharCode(255&e)),e>>=8;return t.reverse().join("")},r.prototype.dispose=function(){this._csiHandlers=Object.create(null),this._executeHandlers=Object.create(null),this._escHandlers=Object.create(null),this._oscParser.dispose(),this._dcsParser.dispose()},r.prototype.setPrintHandler=function(e){this._printHandler=e},r.prototype.clearPrintHandler=function(){this._printHandler=this._printHandlerFb},r.prototype.addEscHandler=function(e,t){var r=this._identifier(e,[48,126]);void 0===this._escHandlers[r]&&(this._escHandlers[r]=[]);var i=this._escHandlers[r];return i.push(t),{dispose:function(){var e=i.indexOf(t);-1!==e&&i.splice(e,1)}}},r.prototype.setEscHandler=function(e,t){this._escHandlers[this._identifier(e,[48,126])]=[t]},r.prototype.clearEscHandler=function(e){this._escHandlers[this._identifier(e,[48,126])]&&delete this._escHandlers[this._identifier(e,[48,126])]},r.prototype.setEscHandlerFallback=function(e){this._escHandlerFb=e},r.prototype.setExecuteHandler=function(e,t){this._executeHandlers[e.charCodeAt(0)]=t},r.prototype.clearExecuteHandler=function(e){this._executeHandlers[e.charCodeAt(0)]&&delete this._executeHandlers[e.charCodeAt(0)]},r.prototype.setExecuteHandlerFallback=function(e){this._executeHandlerFb=e},r.prototype.addCsiHandler=function(e,t){var r=this._identifier(e);void 0===this._csiHandlers[r]&&(this._csiHandlers[r]=[]);var i=this._csiHandlers[r];return i.push(t),{dispose:function(){var e=i.indexOf(t);-1!==e&&i.splice(e,1)}}},r.prototype.setCsiHandler=function(e,t){this._csiHandlers[this._identifier(e)]=[t]},r.prototype.clearCsiHandler=function(e){this._csiHandlers[this._identifier(e)]&&delete this._csiHandlers[this._identifier(e)]},r.prototype.setCsiHandlerFallback=function(e){this._csiHandlerFb=e},r.prototype.addDcsHandler=function(e,t){return this._dcsParser.addHandler(this._identifier(e),t)},r.prototype.setDcsHandler=function(e,t){this._dcsParser.setHandler(this._identifier(e),t)},r.prototype.clearDcsHandler=function(e){this._dcsParser.clearHandler(this._identifier(e))},r.prototype.setDcsHandlerFallback=function(e){this._dcsParser.setHandlerFallback(e)},r.prototype.addOscHandler=function(e,t){return this._oscParser.addHandler(e,t)},r.prototype.setOscHandler=function(e,t){this._oscParser.setHandler(e,t)},r.prototype.clearOscHandler=function(e){this._oscParser.clearHandler(e)},r.prototype.setOscHandlerFallback=function(e){this._oscParser.setHandlerFallback(e)},r.prototype.setErrorHandler=function(e){this._errorHandler=e},r.prototype.clearErrorHandler=function(){this._errorHandler=this._errorHandlerFb},r.prototype.reset=function(){this.currentState=this.initialState,this._oscParser.reset(),this._dcsParser.reset(),this._params.reset(),this._params.addParam(0),this._collect=0,this.precedingCodepoint=0},r.prototype.parse=function(e,t){for(var r=0,i=0,n=this.currentState,o=this._oscParser,s=this._dcsParser,a=this._collect,c=this._params,l=this.TRANSITIONS.table,h=0;h<t;++h){switch((i=l[n<<8|((r=e[h])<160?r:160)])>>4){case 2:for(var u=h+1;;++u){if(u>=t||(r=e[u])<32||r>126&&r<160){this._printHandler(e,h,u),h=u-1;break}if(++u>=t||(r=e[u])<32||r>126&&r<160){this._printHandler(e,h,u),h=u-1;break}if(++u>=t||(r=e[u])<32||r>126&&r<160){this._printHandler(e,h,u),h=u-1;break}if(++u>=t||(r=e[u])<32||r>126&&r<160){this._printHandler(e,h,u),h=u-1;break}}break;case 3:this._executeHandlers[r]?this._executeHandlers[r]():this._executeHandlerFb(r),this.precedingCodepoint=0;break;case 0:break;case 1:if(this._errorHandler({position:h,code:r,currentState:n,collect:a,params:c,abort:!1}).abort)return;break;case 7:for(var f=this._csiHandlers[a<<8|r],_=f?f.length-1:-1;_>=0&&!1===f[_](c);_--);_<0&&this._csiHandlerFb(a<<8|r,c),this.precedingCodepoint=0;break;case 8:do{switch(r){case 59:c.addParam(0);break;case 58:c.addSubParam(-1);break;default:c.addDigit(r-48)}}while(++h<t&&(r=e[h])>47&&r<60);h--;break;case 9:a<<=8,a|=r;break;case 10:for(var d=this._escHandlers[a<<8|r],p=d?d.length-1:-1;p>=0&&!1===d[p]();p--);p<0&&this._escHandlerFb(a<<8|r),this.precedingCodepoint=0;break;case 11:c.reset(),c.addParam(0),a=0;break;case 12:s.hook(a<<8|r,c);break;case 13:for(var v=h+1;;++v)if(v>=t||24===(r=e[v])||26===r||27===r||r>127&&r<160){s.put(e,h,v),h=v-1;break}break;case 14:s.unhook(24!==r&&26!==r),27===r&&(i|=1),c.reset(),c.addParam(0),a=0,this.precedingCodepoint=0;break;case 4:o.start();break;case 5:for(var g=h+1;;g++)if(g>=t||(r=e[g])<32||r>127&&r<=159){o.put(e,h,g),h=g-1;break}break;case 6:o.end(24!==r&&26!==r),27===r&&(i|=1),c.reset(),c.addParam(0),a=0,this.precedingCodepoint=0}n=15&i}this._collect=a,this.currentState=n},r}(o.Disposable);t.EscapeSequenceParser=u},function(e,t,r){"use strict";var i,n=this&&this.__extends||(i=function(e,t){return(i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])})(e,t)},function(e,t){function r(){this.constructor=e}i(e,t),e.prototype=null===t?Object.create(t):(r.prototype=t.prototype,new r)}),o=this&&this.__decorate||function(e,t,r,i){var n,o=arguments.length,s=o<3?t:null===i?i=Object.getOwnPropertyDescriptor(t,r):i;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)s=Reflect.decorate(e,t,r,i);else for(var a=e.length-1;a>=0;a--)(n=e[a])&&(s=(o<3?n(s):o>3?n(t,r,s):n(t,r))||s);return o>3&&s&&Object.defineProperty(t,r,s),s},s=this&&this.__param||function(e,t){return function(r,i){t(r,i,e)}};Object.defineProperty(t,"__esModule",{value:!0});var a=r(41),c=r(47),l=r(48),h=r(49),u=r(28),f=r(2),_=r(4),d=r(0),p=r(24),v=r(1),g=1,y=function(e){function t(t,r,i,n,o,s,f,_){var d=e.call(this)||this;d._colors=t,d._screenElement=r,d._linkifier=i,d._bufferService=n,d._charSizeService=o,d._optionsService=s,d.coreService=f,d.coreBrowserService=_,d._id=g++,d._onRequestRefreshRows=new v.EventEmitter;var p=d._optionsService.options.allowTransparency;return d._characterJoinerRegistry=new u.CharacterJoinerRegistry(d._bufferService),d._renderLayers=[new a.TextRenderLayer(d._screenElement,0,d._colors,d._characterJoinerRegistry,p,d._id,d._bufferService,s),new c.SelectionRenderLayer(d._screenElement,1,d._colors,d._id,d._bufferService,s),new h.LinkRenderLayer(d._screenElement,2,d._colors,d._id,d._linkifier,d._bufferService,s),new l.CursorRenderLayer(d._screenElement,3,d._colors,d._id,d._onRequestRefreshRows,d._bufferService,s,f,_)],d.dimensions={scaledCharWidth:0,scaledCharHeight:0,scaledCellWidth:0,scaledCellHeight:0,scaledCharLeft:0,scaledCharTop:0,scaledCanvasWidth:0,scaledCanvasHeight:0,canvasWidth:0,canvasHeight:0,actualCellWidth:0,actualCellHeight:0},d._devicePixelRatio=window.devicePixelRatio,d._updateDimensions(),d.onOptionsChanged(),d}return n(t,e),Object.defineProperty(t.prototype,"onRequestRefreshRows",{get:function(){return this._onRequestRefreshRows.event},enumerable:!0,configurable:!0}),t.prototype.dispose=function(){e.prototype.dispose.call(this),this._renderLayers.forEach(function(e){return e.dispose()}),p.removeTerminalFromCache(this._id)},t.prototype.onDevicePixelRatioChange=function(){this._devicePixelRatio!==window.devicePixelRatio&&(this._devicePixelRatio=window.devicePixelRatio,this.onResize(this._bufferService.cols,this._bufferService.rows))},t.prototype.setColors=function(e){var t=this;this._colors=e,this._renderLayers.forEach(function(e){e.setColors(t._colors),e.reset()})},t.prototype.onResize=function(e,t){var r=this;this._updateDimensions(),this._renderLayers.forEach(function(e){return e.resize(r.dimensions)}),this._screenElement.style.width=this.dimensions.canvasWidth+"px",this._screenElement.style.height=this.dimensions.canvasHeight+"px"},t.prototype.onCharSizeChanged=function(){this.onResize(this._bufferService.cols,this._bufferService.rows)},t.prototype.onBlur=function(){this._runOperation(function(e){return e.onBlur()})},t.prototype.onFocus=function(){this._runOperation(function(e){return e.onFocus()})},t.prototype.onSelectionChanged=function(e,t,r){void 0===r&&(r=!1),this._runOperation(function(i){return i.onSelectionChanged(e,t,r)})},t.prototype.onCursorMove=function(){this._runOperation(function(e){return e.onCursorMove()})},t.prototype.onOptionsChanged=function(){this._runOperation(function(e){return e.onOptionsChanged()})},t.prototype.clear=function(){this._runOperation(function(e){return e.reset()})},t.prototype._runOperation=function(e){this._renderLayers.forEach(function(t){return e(t)})},t.prototype.renderRows=function(e,t){this._renderLayers.forEach(function(r){return r.onGridChanged(e,t)})},t.prototype._updateDimensions=function(){this._charSizeService.hasValidSize&&(this.dimensions.scaledCharWidth=Math.floor(this._charSizeService.width*window.devicePixelRatio),this.dimensions.scaledCharHeight=Math.ceil(this._charSizeService.height*window.devicePixelRatio),this.dimensions.scaledCellHeight=Math.floor(this.dimensions.scaledCharHeight*this._optionsService.options.lineHeight),this.dimensions.scaledCharTop=1===this._optionsService.options.lineHeight?0:Math.round((this.dimensions.scaledCellHeight-this.dimensions.scaledCharHeight)/2),this.dimensions.scaledCellWidth=this.dimensions.scaledCharWidth+Math.round(this._optionsService.options.letterSpacing),this.dimensions.scaledCharLeft=Math.floor(this._optionsService.options.letterSpacing/2),this.dimensions.scaledCanvasHeight=this._bufferService.rows*this.dimensions.scaledCellHeight,this.dimensions.scaledCanvasWidth=this._bufferService.cols*this.dimensions.scaledCellWidth,this.dimensions.canvasHeight=Math.round(this.dimensions.scaledCanvasHeight/window.devicePixelRatio),this.dimensions.canvasWidth=Math.round(this.dimensions.scaledCanvasWidth/window.devicePixelRatio),this.dimensions.actualCellHeight=this.dimensions.canvasHeight/this._bufferService.rows,this.dimensions.actualCellWidth=this.dimensions.canvasWidth/this._bufferService.cols)},t.prototype.registerCharacterJoiner=function(e){return this._characterJoinerRegistry.registerCharacterJoiner(e)},t.prototype.deregisterCharacterJoiner=function(e){return this._characterJoinerRegistry.deregisterCharacterJoiner(e)},t=o([s(3,d.IBufferService),s(4,_.ICharSizeService),s(5,d.IOptionsService),s(6,d.ICoreService),s(7,_.ICoreBrowserService)],t)}(f.Disposable);t.Renderer=y},function(e,t,r){"use strict";var i,n=this&&this.__extends||(i=function(e,t){return(i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])})(e,t)},function(e,t){function r(){this.constructor=e}i(e,t),e.prototype=null===t?Object.create(t):(r.prototype=t.prototype,new r)});Object.defineProperty(t,"__esModule",{value:!0});var o=r(42),s=r(13),a=r(6),c=r(3),l=r(28),h=r(5),u=function(e){function t(t,r,i,n,s,a,c,l){var u=e.call(this,t,"text",r,s,i,a,c,l)||this;return u.bufferService=c,u.optionsService=l,u._characterWidth=0,u._characterFont="",u._characterOverlapCache={},u._workCell=new h.CellData,u._state=new o.GridCache,u._characterJoinerRegistry=n,u}return n(t,e),t.prototype.resize=function(t){e.prototype.resize.call(this,t);var r=this._getFont(!1,!1);this._characterWidth===t.scaledCharWidth&&this._characterFont===r||(this._characterWidth=t.scaledCharWidth,this._characterFont=r,this._characterOverlapCache={}),this._state.clear(),this._state.resize(this._bufferService.cols,this._bufferService.rows)},t.prototype.reset=function(){this._state.clear(),this._clearAll()},t.prototype._forEachCell=function(e,t,r,i){for(var n=e;n<=t;n++)for(var o=n+this._bufferService.buffer.ydisp,s=this._bufferService.buffer.lines.get(o),a=r?r.getJoinedCharacters(o):[],h=0;h<this._bufferService.cols;h++){s.loadCell(h,this._workCell);var u=this._workCell,f=!1,_=h;if(0!==u.getWidth()){if(a.length>0&&h===a[0][0]){f=!0;var d=a.shift();u=new l.JoinedCellData(this._workCell,s.translateToString(!0,d[0],d[1]),d[1]-d[0]),_=d[1]-1}!f&&this._isOverlapping(u)&&_<s.length-1&&s.getCodePoint(_+1)===c.NULL_CELL_CODE&&(u.content&=-12582913,u.content|=2<<22),i(u,h,n),h=_}}},t.prototype._drawBackground=function(e,t){var r=this,i=this._ctx,n=this._bufferService.cols,o=0,s=0,c=null;i.save(),this._forEachCell(e,t,null,function(e,t,l){var h=null;e.isInverse()?h=e.isFgDefault()?r._colors.foreground.css:e.isFgRGB()?"rgb("+a.AttributeData.toColorRGB(e.getFgColor()).join(",")+")":r._colors.ansi[e.getFgColor()].css:e.isBgRGB()?h="rgb("+a.AttributeData.toColorRGB(e.getBgColor()).join(",")+")":e.isBgPalette()&&(h=r._colors.ansi[e.getBgColor()].css),null===c&&(o=t,s=l),l!==s?(i.fillStyle=c||"",r._fillCells(o,s,n-o,1),o=t,s=l):c!==h&&(i.fillStyle=c||"",r._fillCells(o,s,t-o,1),o=t,s=l),c=h}),null!==c&&(i.fillStyle=c,this._fillCells(o,s,n-o,1)),i.restore()},t.prototype._drawForeground=function(e,t){var r=this;this._forEachCell(e,t,this._characterJoinerRegistry,function(e,t,i){if(!e.isInvisible()&&(r._drawChars(e,t,i),e.isUnderline())){if(r._ctx.save(),e.isInverse())if(e.isBgDefault())r._ctx.fillStyle=r._colors.background.css;else if(e.isBgRGB())r._ctx.fillStyle="rgb("+a.AttributeData.toColorRGB(e.getBgColor()).join(",")+")";else{var n=e.getBgColor();r._optionsService.options.drawBoldTextInBrightColors&&e.isBold()&&n<8&&(n+=8),r._ctx.fillStyle=r._colors.ansi[n].css}else if(e.isFgDefault())r._ctx.fillStyle=r._colors.foreground.css;else if(e.isFgRGB())r._ctx.fillStyle="rgb("+a.AttributeData.toColorRGB(e.getFgColor()).join(",")+")";else{var o=e.getFgColor();r._optionsService.options.drawBoldTextInBrightColors&&e.isBold()&&o<8&&(o+=8),r._ctx.fillStyle=r._colors.ansi[o].css}r._fillBottomLineAtCells(t,i,e.getWidth()),r._ctx.restore()}})},t.prototype.onGridChanged=function(e,t){0!==this._state.cache.length&&(this._charAtlas&&this._charAtlas.beginFrame(),this._clearCells(0,e,this._bufferService.cols,t-e+1),this._drawBackground(e,t),this._drawForeground(e,t))},t.prototype.onOptionsChanged=function(){this._setTransparency(this._optionsService.options.allowTransparency)},t.prototype._isOverlapping=function(e){if(1!==e.getWidth())return!1;if(e.getCode()<256)return!1;var t=e.getChars();if(this._characterOverlapCache.hasOwnProperty(t))return this._characterOverlapCache[t];this._ctx.save(),this._ctx.font=this._characterFont;var r=Math.floor(this._ctx.measureText(t).width)>this._characterWidth;return this._ctx.restore(),this._characterOverlapCache[t]=r,r},t}(s.BaseRenderLayer);t.TextRenderLayer=u},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=function(){function e(){this.cache=[]}return e.prototype.resize=function(e,t){for(var r=0;r<e;r++){this.cache.length<=r&&this.cache.push([]);for(var i=this.cache[r].length;i<t;i++)this.cache[r].push(void 0);this.cache[r].length=t}this.cache.length=e},e.prototype.clear=function(){for(var e=0;e<this.cache.length;e++)for(var t=0;t<this.cache[e].length;t++)this.cache[e][t]=void 0},e}();t.GridCache=i},function(e,t,r){"use strict";var i,n=this&&this.__extends||(i=function(e,t){return(i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])})(e,t)},function(e,t){function r(){this.constructor=e}i(e,t),e.prototype=null===t?Object.create(t):(r.prototype=t.prototype,new r)});Object.defineProperty(t,"__esModule",{value:!0});var o=r(9),s=r(44),a=r(26),c=r(46),l=r(11),h=r(27),u=r(10),f=1024,_=1024,d={css:"rgba(0, 0, 0, 0)",rgba:0};function p(e){return e.code<<21|e.bg<<12|e.fg<<3|(e.bold?0:4)+(e.dim?0:2)+(e.italic?0:1)}t.getGlyphCacheKey=p;var v=function(e){function t(t,r){var i=e.call(this)||this;i._config=r,i._drawToCacheCount=0,i._glyphsWaitingOnBitmap=[],i._bitmapCommitTimeout=null,i._bitmap=null,i._cacheCanvas=t.createElement("canvas"),i._cacheCanvas.width=f,i._cacheCanvas.height=_,i._cacheCtx=h.throwIfFalsy(i._cacheCanvas.getContext("2d",{alpha:!0}));var n=t.createElement("canvas");n.width=i._config.scaledCharWidth,n.height=i._config.scaledCharHeight,i._tmpCtx=h.throwIfFalsy(n.getContext("2d",{alpha:i._config.allowTransparency})),i._width=Math.floor(f/i._config.scaledCharWidth),i._height=Math.floor(_/i._config.scaledCharHeight);var o=i._width*i._height;return i._cacheMap=new c.LRUMap(o),i._cacheMap.prealloc(o),i}return n(t,e),t.prototype.dispose=function(){null!==this._bitmapCommitTimeout&&(window.clearTimeout(this._bitmapCommitTimeout),this._bitmapCommitTimeout=null)},t.prototype.beginFrame=function(){this._drawToCacheCount=0},t.prototype.draw=function(e,t,r,i){if(32===t.code)return!0;if(!this._canCache(t))return!1;var n=p(t),o=this._cacheMap.get(n);if(null!=o)return this._drawFromCache(e,o,r,i),!0;if(this._drawToCacheCount<100){var s=void 0;s=this._cacheMap.size<this._cacheMap.capacity?this._cacheMap.size:this._cacheMap.peek().index;var a=this._drawToCache(t,s);return this._cacheMap.set(n,a),this._drawFromCache(e,a,r,i),!0}return!1},t.prototype._canCache=function(e){return e.code<256},t.prototype._toCoordinateX=function(e){return e%this._width*this._config.scaledCharWidth},t.prototype._toCoordinateY=function(e){return Math.floor(e/this._width)*this._config.scaledCharHeight},t.prototype._drawFromCache=function(e,t,r,i){if(!t.isEmpty){var n=this._toCoordinateX(t.index),o=this._toCoordinateY(t.index);e.drawImage(t.inBitmap?this._bitmap:this._cacheCanvas,n,o,this._config.scaledCharWidth,this._config.scaledCharHeight,r,i,this._config.scaledCharWidth,this._config.scaledCharHeight)}},t.prototype._getColorFromAnsiIndex=function(e){return e<this._config.colors.ansi.length?this._config.colors.ansi[e]:a.DEFAULT_ANSI_COLORS[e]},t.prototype._getBackgroundColor=function(e){return this._config.allowTransparency?d:e.bg===o.INVERTED_DEFAULT_COLOR?this._config.colors.foreground:e.bg<256?this._getColorFromAnsiIndex(e.bg):this._config.colors.background},t.prototype._getForegroundColor=function(e){return e.fg===o.INVERTED_DEFAULT_COLOR?u.opaque(this._config.colors.background):e.fg<256?this._getColorFromAnsiIndex(e.fg):this._config.colors.foreground},t.prototype._drawToCache=function(e,t){this._drawToCacheCount++,this._tmpCtx.save();var r=this._getBackgroundColor(e);this._tmpCtx.globalCompositeOperation="copy",this._tmpCtx.fillStyle=r.css,this._tmpCtx.fillRect(0,0,this._config.scaledCharWidth,this._config.scaledCharHeight),this._tmpCtx.globalCompositeOperation="source-over";var i=e.bold?this._config.fontWeightBold:this._config.fontWeight,n=e.italic?"italic":"";this._tmpCtx.font=n+" "+i+" "+this._config.fontSize*this._config.devicePixelRatio+"px "+this._config.fontFamily,this._tmpCtx.textBaseline="middle",this._tmpCtx.fillStyle=this._getForegroundColor(e).css,e.dim&&(this._tmpCtx.globalAlpha=o.DIM_OPACITY),this._tmpCtx.fillText(e.chars,0,this._config.scaledCharHeight/2),this._tmpCtx.restore();var s=this._tmpCtx.getImageData(0,0,this._config.scaledCharWidth,this._config.scaledCharHeight),a=!1;this._config.allowTransparency||(a=function(e,t){for(var r=!0,i=t.rgba>>>24,n=t.rgba>>>16&255,o=t.rgba>>>8&255,s=0;s<e.data.length;s+=4)e.data[s]===i&&e.data[s+1]===n&&e.data[s+2]===o?e.data[s+3]=0:r=!1;return r}(s,r));var c=this._toCoordinateX(t),l=this._toCoordinateY(t);this._cacheCtx.putImageData(s,c,l);var h={index:t,isEmpty:a,inBitmap:!1};return this._addGlyphToBitmap(h),h},t.prototype._addGlyphToBitmap=function(e){var t=this;"createImageBitmap"in window&&!l.isFirefox&&!l.isSafari&&(this._glyphsWaitingOnBitmap.push(e),null===this._bitmapCommitTimeout&&(this._bitmapCommitTimeout=window.setTimeout(function(){return t._generateBitmap()},100)))},t.prototype._generateBitmap=function(){var e=this,t=this._glyphsWaitingOnBitmap;this._glyphsWaitingOnBitmap=[],window.createImageBitmap(this._cacheCanvas).then(function(r){e._bitmap=r;for(var i=0;i<t.length;i++){t[i].inBitmap=!0}}),this._bitmapCommitTimeout=null},t}(s.BaseCharAtlas);t.DynamicCharAtlas=v;var g=function(e){function t(t,r){return e.call(this)||this}return n(t,e),t.prototype.draw=function(e,t,r,i){return!1},t}(s.BaseCharAtlas);t.NoneCharAtlas=g},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=function(){function e(){this._didWarmUp=!1}return e.prototype.dispose=function(){},e.prototype.warmUp=function(){this._didWarmUp||(this._doWarmUp(),this._didWarmUp=!0)},e.prototype._doWarmUp=function(){},e.prototype.beginFrame=function(){},e}();t.BaseCharAtlas=i},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=function(){function e(){this._color={},this._rgba={}}return e.prototype.clear=function(){this._color={},this._rgba={}},e.prototype.setCss=function(e,t,r){this._rgba[e]||(this._rgba[e]={}),this._rgba[e][t]=r},e.prototype.getCss=function(e,t){return this._rgba[e]?this._rgba[e][t]:void 0},e.prototype.setColor=function(e,t,r){this._color[e]||(this._color[e]={}),this._color[e][t]=r},e.prototype.getColor=function(e,t){return this._color[e]?this._color[e][t]:void 0},e}();t.ColorContrastCache=i},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=function(){function e(e){this.capacity=e,this._map={},this._head=null,this._tail=null,this._nodePool=[],this.size=0}return e.prototype._unlinkNode=function(e){var t=e.prev,r=e.next;e===this._head&&(this._head=r),e===this._tail&&(this._tail=t),null!==t&&(t.next=r),null!==r&&(r.prev=t)},e.prototype._appendNode=function(e){var t=this._tail;null!==t&&(t.next=e),e.prev=t,e.next=null,this._tail=e,null===this._head&&(this._head=e)},e.prototype.prealloc=function(e){for(var t=this._nodePool,r=0;r<e;r++)t.push({prev:null,next:null,key:null,value:null})},e.prototype.get=function(e){var t=this._map[e];return void 0!==t?(this._unlinkNode(t),this._appendNode(t),t.value):null},e.prototype.peekValue=function(e){var t=this._map[e];return void 0!==t?t.value:null},e.prototype.peek=function(){var e=this._head;return null===e?null:e.value},e.prototype.set=function(e,t){var r=this._map[e];if(void 0!==r)r=this._map[e],this._unlinkNode(r),r.value=t;else if(this.size>=this.capacity)r=this._head,this._unlinkNode(r),delete this._map[r.key],r.key=e,r.value=t,this._map[e]=r;else{var i=this._nodePool;i.length>0?((r=i.pop()).key=e,r.value=t):r={prev:null,next:null,key:e,value:t},this._map[e]=r,this.size++}this._appendNode(r)},e}();t.LRUMap=i},function(e,t,r){"use strict";var i,n=this&&this.__extends||(i=function(e,t){return(i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])})(e,t)},function(e,t){function r(){this.constructor=e}i(e,t),e.prototype=null===t?Object.create(t):(r.prototype=t.prototype,new r)});Object.defineProperty(t,"__esModule",{value:!0});var o=function(e){function t(t,r,i,n,o,s){var a=e.call(this,t,"selection",r,!0,i,n,o,s)||this;return a.bufferService=o,a.optionsService=s,a._clearState(),a}return n(t,e),t.prototype._clearState=function(){this._state={start:void 0,end:void 0,columnSelectMode:void 0,ydisp:void 0}},t.prototype.resize=function(t){e.prototype.resize.call(this,t),this._clearState()},t.prototype.reset=function(){this._state.start&&this._state.end&&(this._clearState(),this._clearAll())},t.prototype.onSelectionChanged=function(e,t,r){if(this._didStateChange(e,t,r,this._bufferService.buffer.ydisp))if(this._clearAll(),e&&t){var i=e[1]-this._bufferService.buffer.ydisp,n=t[1]-this._bufferService.buffer.ydisp,o=Math.max(i,0),s=Math.min(n,this._bufferService.rows-1);if(!(o>=this._bufferService.rows||s<0)){if(this._ctx.fillStyle=this._colors.selection.css,r){var a=e[0],c=t[0]-a,l=s-o+1;this._fillCells(a,o,c,l)}else{a=i===o?e[0]:0;var h=o===s?t[0]:this._bufferService.cols;this._fillCells(a,o,h-a,1);var u=Math.max(s-o-1,0);if(this._fillCells(0,o+1,this._bufferService.cols,u),o!==s){var f=n===s?t[0]:this._bufferService.cols;this._fillCells(0,s,f,1)}}this._state.start=[e[0],e[1]],this._state.end=[t[0],t[1]],this._state.columnSelectMode=r,this._state.ydisp=this._bufferService.buffer.ydisp}}else this._clearState()},t.prototype._didStateChange=function(e,t,r,i){return!this._areCoordinatesEqual(e,this._state.start)||!this._areCoordinatesEqual(t,this._state.end)||r!==this._state.columnSelectMode||i!==this._state.ydisp},t.prototype._areCoordinatesEqual=function(e,t){return!(!e||!t)&&(e[0]===t[0]&&e[1]===t[1])},t}(r(13).BaseRenderLayer);t.SelectionRenderLayer=o},function(e,t,r){"use strict";var i,n=this&&this.__extends||(i=function(e,t){return(i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])})(e,t)},function(e,t){function r(){this.constructor=e}i(e,t),e.prototype=null===t?Object.create(t):(r.prototype=t.prototype,new r)});Object.defineProperty(t,"__esModule",{value:!0});var o=r(13),s=r(5),a=function(e){function t(t,r,i,n,o,a,c,l,h){var u=e.call(this,t,"cursor",r,!0,i,n,a,c)||this;return u._onRequestRefreshRowsEvent=o,u.bufferService=a,u.optionsService=c,u._coreService=l,u._coreBrowserService=h,u._cell=new s.CellData,u._state={x:0,y:0,isFocused:!1,style:"",width:0},u._cursorRenderers={bar:u._renderBarCursor.bind(u),block:u._renderBlockCursor.bind(u),underline:u._renderUnderlineCursor.bind(u)},u}return n(t,e),t.prototype.resize=function(t){e.prototype.resize.call(this,t),this._state={x:0,y:0,isFocused:!1,style:"",width:0}},t.prototype.reset=function(){this._clearCursor(),this._cursorBlinkStateManager&&(this._cursorBlinkStateManager.dispose(),this._cursorBlinkStateManager=void 0,this.onOptionsChanged())},t.prototype.onBlur=function(){this._cursorBlinkStateManager&&this._cursorBlinkStateManager.pause(),this._onRequestRefreshRowsEvent.fire({start:this._bufferService.buffer.y,end:this._bufferService.buffer.y})},t.prototype.onFocus=function(){this._cursorBlinkStateManager?this._cursorBlinkStateManager.resume():this._onRequestRefreshRowsEvent.fire({start:this._bufferService.buffer.y,end:this._bufferService.buffer.y})},t.prototype.onOptionsChanged=function(){var e,t=this;this._optionsService.options.cursorBlink?this._cursorBlinkStateManager||(this._cursorBlinkStateManager=new c(this._coreBrowserService.isFocused,function(){t._render(!0)})):(null===(e=this._cursorBlinkStateManager)||void 0===e||e.dispose(),this._cursorBlinkStateManager=void 0),this._onRequestRefreshRowsEvent.fire({start:this._bufferService.buffer.y,end:this._bufferService.buffer.y})},t.prototype.onCursorMove=function(){this._cursorBlinkStateManager&&this._cursorBlinkStateManager.restartBlinkAnimation()},t.prototype.onGridChanged=function(e,t){!this._cursorBlinkStateManager||this._cursorBlinkStateManager.isPaused?this._render(!1):this._cursorBlinkStateManager.restartBlinkAnimation()},t.prototype._render=function(e){if(this._coreService.isCursorInitialized&&!this._coreService.isCursorHidden){var t=this._bufferService.buffer.ybase+this._bufferService.buffer.y,r=t-this._bufferService.buffer.ydisp;if(r<0||r>=this._bufferService.rows)this._clearCursor();else if(this._bufferService.buffer.lines.get(t).loadCell(this._bufferService.buffer.x,this._cell),void 0!==this._cell.content){if(!this._coreBrowserService.isFocused){this._clearCursor(),this._ctx.save(),this._ctx.fillStyle=this._colors.cursor.css;var i=this._optionsService.options.cursorStyle;return i&&"block"!==i?this._cursorRenderers[i](this._bufferService.buffer.x,r,this._cell):this._renderBlurCursor(this._bufferService.buffer.x,r,this._cell),this._ctx.restore(),this._state.x=this._bufferService.buffer.x,this._state.y=r,this._state.isFocused=!1,this._state.style=i,void(this._state.width=this._cell.getWidth())}if(!this._cursorBlinkStateManager||this._cursorBlinkStateManager.isCursorVisible){if(this._state){if(this._state.x===this._bufferService.buffer.x&&this._state.y===r&&this._state.isFocused===this._coreBrowserService.isFocused&&this._state.style===this._optionsService.options.cursorStyle&&this._state.width===this._cell.getWidth())return;this._clearCursor()}this._ctx.save(),this._cursorRenderers[this._optionsService.options.cursorStyle||"block"](this._bufferService.buffer.x,r,this._cell),this._ctx.restore(),this._state.x=this._bufferService.buffer.x,this._state.y=r,this._state.isFocused=!1,this._state.style=this._optionsService.options.cursorStyle,this._state.width=this._cell.getWidth()}else this._clearCursor()}}else this._clearCursor()},t.prototype._clearCursor=function(){this._state&&(this._clearCells(this._state.x,this._state.y,this._state.width,1),this._state={x:0,y:0,isFocused:!1,style:"",width:0})},t.prototype._renderBarCursor=function(e,t,r){this._ctx.save(),this._ctx.fillStyle=this._colors.cursor.css,this._fillLeftLineAtCell(e,t),this._ctx.restore()},t.prototype._renderBlockCursor=function(e,t,r){this._ctx.save(),this._ctx.fillStyle=this._colors.cursor.css,this._fillCells(e,t,r.getWidth(),1),this._ctx.fillStyle=this._colors.cursorAccent.css,this._fillCharTrueColor(r,e,t),this._ctx.restore()},t.prototype._renderUnderlineCursor=function(e,t,r){this._ctx.save(),this._ctx.fillStyle=this._colors.cursor.css,this._fillBottomLineAtCells(e,t),this._ctx.restore()},t.prototype._renderBlurCursor=function(e,t,r){this._ctx.save(),this._ctx.strokeStyle=this._colors.cursor.css,this._strokeRectAtCell(e,t,r.getWidth(),1),this._ctx.restore()},t}(o.BaseRenderLayer);t.CursorRenderLayer=a;var c=function(){function e(e,t){this._renderCallback=t,this.isCursorVisible=!0,e&&this._restartInterval()}return Object.defineProperty(e.prototype,"isPaused",{get:function(){return!(this._blinkStartTimeout||this._blinkInterval)},enumerable:!0,configurable:!0}),e.prototype.dispose=function(){this._blinkInterval&&(window.clearInterval(this._blinkInterval),this._blinkInterval=void 0),this._blinkStartTimeout&&(window.clearTimeout(this._blinkStartTimeout),this._blinkStartTimeout=void 0),this._animationFrame&&(window.cancelAnimationFrame(this._animationFrame),this._animationFrame=void 0)},e.prototype.restartBlinkAnimation=function(){var e=this;this.isPaused||(this._animationTimeRestarted=Date.now(),this.isCursorVisible=!0,this._animationFrame||(this._animationFrame=window.requestAnimationFrame(function(){e._renderCallback(),e._animationFrame=void 0})))},e.prototype._restartInterval=function(e){var t=this;void 0===e&&(e=600),this._blinkInterval&&window.clearInterval(this._blinkInterval),this._blinkStartTimeout=setTimeout(function(){if(t._animationTimeRestarted){var e=600-(Date.now()-t._animationTimeRestarted);if(t._animationTimeRestarted=void 0,e>0)return void t._restartInterval(e)}t.isCursorVisible=!1,t._animationFrame=window.requestAnimationFrame(function(){t._renderCallback(),t._animationFrame=void 0}),t._blinkInterval=setInterval(function(){if(t._animationTimeRestarted){var e=600-(Date.now()-t._animationTimeRestarted);return t._animationTimeRestarted=void 0,void t._restartInterval(e)}t.isCursorVisible=!t.isCursorVisible,t._animationFrame=window.requestAnimationFrame(function(){t._renderCallback(),t._animationFrame=void 0})},600)},e)},e.prototype.pause=function(){this.isCursorVisible=!0,this._blinkInterval&&(window.clearInterval(this._blinkInterval),this._blinkInterval=void 0),this._blinkStartTimeout&&(window.clearTimeout(this._blinkStartTimeout),this._blinkStartTimeout=void 0),this._animationFrame&&(window.cancelAnimationFrame(this._animationFrame),this._animationFrame=void 0)},e.prototype.resume=function(){this._animationTimeRestarted=void 0,this._restartInterval(),this.restartBlinkAnimation()},e}()},function(e,t,r){"use strict";var i,n=this&&this.__extends||(i=function(e,t){return(i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])})(e,t)},function(e,t){function r(){this.constructor=e}i(e,t),e.prototype=null===t?Object.create(t):(r.prototype=t.prototype,new r)});Object.defineProperty(t,"__esModule",{value:!0});var o=r(13),s=r(9),a=r(25),c=function(e){function t(t,r,i,n,o,s,a){var c=e.call(this,t,"link",r,!0,i,n,s,a)||this;return c.bufferService=s,c.optionsService=a,o.onLinkHover(function(e){return c._onLinkHover(e)}),o.onLinkLeave(function(e){return c._onLinkLeave(e)}),c}return n(t,e),t.prototype.resize=function(t){e.prototype.resize.call(this,t),this._state=void 0},t.prototype.reset=function(){this._clearCurrentLink()},t.prototype._clearCurrentLink=function(){if(this._state){this._clearCells(this._state.x1,this._state.y1,this._state.cols-this._state.x1,1);var e=this._state.y2-this._state.y1-1;e>0&&this._clearCells(0,this._state.y1+1,this._state.cols,e),this._clearCells(0,this._state.y2,this._state.x2,1),this._state=void 0}},t.prototype._onLinkHover=function(e){if(e.fg===s.INVERTED_DEFAULT_COLOR?this._ctx.fillStyle=this._colors.background.css:e.fg&&a.is256Color(e.fg)?this._ctx.fillStyle=this._colors.ansi[e.fg].css:this._ctx.fillStyle=this._colors.foreground.css,e.y1===e.y2)this._fillBottomLineAtCells(e.x1,e.y1,e.x2-e.x1);else{this._fillBottomLineAtCells(e.x1,e.y1,e.cols-e.x1);for(var t=e.y1+1;t<e.y2;t++)this._fillBottomLineAtCells(0,t,e.cols);this._fillBottomLineAtCells(0,e.y2,e.x2)}this._state=e},t.prototype._onLinkLeave=function(e){this._clearCurrentLink()},t}(o.BaseRenderLayer);t.LinkRenderLayer=c},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(19),n=r(1),o=function(){function e(e,t){this._bufferService=e,this._logService=t,this._linkMatchers=[],this._nextLinkMatcherId=0,this._onLinkHover=new n.EventEmitter,this._onLinkLeave=new n.EventEmitter,this._onLinkTooltip=new n.EventEmitter,this._rowsToLinkify={start:void 0,end:void 0}}return Object.defineProperty(e.prototype,"onLinkHover",{get:function(){return this._onLinkHover.event},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"onLinkLeave",{get:function(){return this._onLinkLeave.event},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"onLinkTooltip",{get:function(){return this._onLinkTooltip.event},enumerable:!0,configurable:!0}),e.prototype.attachToDom=function(e,t){this._element=e,this._mouseZoneManager=t},e.prototype.linkifyRows=function(t,r){var i=this;this._mouseZoneManager&&(void 0===this._rowsToLinkify.start||void 0===this._rowsToLinkify.end?(this._rowsToLinkify.start=t,this._rowsToLinkify.end=r):(this._rowsToLinkify.start=Math.min(this._rowsToLinkify.start,t),this._rowsToLinkify.end=Math.max(this._rowsToLinkify.end,r)),this._mouseZoneManager.clearAll(t,r),this._rowsTimeoutId&&clearTimeout(this._rowsTimeoutId),this._rowsTimeoutId=setTimeout(function(){return i._linkifyRows()},e._timeBeforeLatency))},e.prototype._linkifyRows=function(){this._rowsTimeoutId=void 0;var e=this._bufferService.buffer;if(void 0!==this._rowsToLinkify.start&&void 0!==this._rowsToLinkify.end){var t=e.ydisp+this._rowsToLinkify.start;if(!(t>=e.lines.length)){for(var r=e.ydisp+Math.min(this._rowsToLinkify.end,this._bufferService.rows)+1,i=Math.ceil(2e3/this._bufferService.cols),n=this._bufferService.buffer.iterator(!1,t,r,i,i);n.hasNext();)for(var o=n.next(),s=0;s<this._linkMatchers.length;s++)this._doLinkifyRow(o.range.first,o.content,this._linkMatchers[s]);this._rowsToLinkify.start=void 0,this._rowsToLinkify.end=void 0}}else this._logService.debug("_rowToLinkify was unset before _linkifyRows was called")},e.prototype.registerLinkMatcher=function(e,t,r){if(void 0===r&&(r={}),!t)throw new Error("handler must be defined");var i={id:this._nextLinkMatcherId++,regex:e,handler:t,matchIndex:r.matchIndex,validationCallback:r.validationCallback,hoverTooltipCallback:r.tooltipCallback,hoverLeaveCallback:r.leaveCallback,willLinkActivate:r.willLinkActivate,priority:r.priority||0};return this._addLinkMatcherToList(i),i.id},e.prototype._addLinkMatcherToList=function(e){if(0!==this._linkMatchers.length){for(var t=this._linkMatchers.length-1;t>=0;t--)if(e.priority<=this._linkMatchers[t].priority)return void this._linkMatchers.splice(t+1,0,e);this._linkMatchers.splice(0,0,e)}else this._linkMatchers.push(e)},e.prototype.deregisterLinkMatcher=function(e){for(var t=0;t<this._linkMatchers.length;t++)if(this._linkMatchers[t].id===e)return this._linkMatchers.splice(t,1),!0;return!1},e.prototype._doLinkifyRow=function(e,t,r){for(var i,n=this,o=new RegExp(r.regex.source,(r.regex.flags||"")+"g"),s=-1,a=function(){var a=i["number"!=typeof r.matchIndex?0:r.matchIndex];if(!a)return c._logService.debug("match found without corresponding matchIndex",i,r),"break";if(s=t.indexOf(a,s+1),o.lastIndex=s+a.length,s<0)return"break";var l=c._bufferService.buffer.stringIndexToBufferIndex(e,s);if(l[0]<0)return"break";var h=c._bufferService.buffer.lines.get(l[0]);if(!h)return"break";var u=h.getFg(l[1]),f=u?u>>9&511:void 0;r.validationCallback?r.validationCallback(a,function(e){n._rowsTimeoutId||e&&n._addLink(l[1],l[0]-n._bufferService.buffer.ydisp,a,r,f)}):c._addLink(l[1],l[0]-c._bufferService.buffer.ydisp,a,r,f)},c=this;null!==(i=o.exec(t));){if("break"===a())break}},e.prototype._addLink=function(e,t,r,n,o){var a=this;if(this._mouseZoneManager&&this._element){var c=i.getStringCellWidth(r),l=e%this._bufferService.cols,h=t+Math.floor(e/this._bufferService.cols),u=(l+c)%this._bufferService.cols,f=h+Math.floor((l+c)/this._bufferService.cols);0===u&&(u=this._bufferService.cols,f--),this._mouseZoneManager.add(new s(l+1,h+1,u+1,f+1,function(e){if(n.handler)return n.handler(e,r);window.open(r,"_blank")},function(){a._onLinkHover.fire(a._createLinkHoverEvent(l,h,u,f,o)),a._element.classList.add("xterm-cursor-pointer")},function(e){a._onLinkTooltip.fire(a._createLinkHoverEvent(l,h,u,f,o)),n.hoverTooltipCallback&&n.hoverTooltipCallback(e,r,{start:{x:l,y:h},end:{x:u,y:f}})},function(){a._onLinkLeave.fire(a._createLinkHoverEvent(l,h,u,f,o)),a._element.classList.remove("xterm-cursor-pointer"),n.hoverLeaveCallback&&n.hoverLeaveCallback()},function(e){return!n.willLinkActivate||n.willLinkActivate(e,r)}))}},e.prototype._createLinkHoverEvent=function(e,t,r,i,n){return{x1:e,y1:t,x2:r,y2:i,cols:this._bufferService.cols,fg:n}},e._timeBeforeLatency=200,e}();t.Linkifier=o;var s=function(e,t,r,i,n,o,s,a,c){this.x1=e,this.y1=t,this.x2=r,this.y2=i,this.clickCallback=n,this.hoverCallback=o,this.tooltipCallback=s,this.leaveCallback=a,this.willLinkActivate=c};t.MouseZone=s},function(e,t,r){"use strict";var i=this&&this.__decorate||function(e,t,r,i){var n,o=arguments.length,s=o<3?t:null===i?i=Object.getOwnPropertyDescriptor(t,r):i;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)s=Reflect.decorate(e,t,r,i);else for(var a=e.length-1;a>=0;a--)(n=e[a])&&(s=(o<3?n(s):o>3?n(t,r,s):n(t,r))||s);return o>3&&s&&Object.defineProperty(t,r,s),s},n=this&&this.__param||function(e,t){return function(r,i){t(r,i,e)}};Object.defineProperty(t,"__esModule",{value:!0});var o=r(11),s=r(52),a=r(5),c=r(1),l=r(4),h=r(0),u=r(29),f=r(53),_=String.fromCharCode(160),d=new RegExp(_,"g"),p=function(){function e(e,t,r,i,n,o,l,h){var u=this;this._scrollLines=e,this._element=t,this._screenElement=r,this._charSizeService=i,this._bufferService=n,this._coreService=o,this._mouseService=l,this._optionsService=h,this._dragScrollAmount=0,this._enabled=!0,this._workCell=new a.CellData,this._mouseDownTimeStamp=0,this._onLinuxMouseSelection=new c.EventEmitter,this._onRedrawRequest=new c.EventEmitter,this._onSelectionChange=new c.EventEmitter,this._mouseMoveListener=function(e){return u._onMouseMove(e)},this._mouseUpListener=function(e){return u._onMouseUp(e)},this._coreService.onUserInput(function(){u.hasSelection&&u.clearSelection()}),this._trimListener=this._bufferService.buffer.lines.onTrim(function(e){return u._onTrim(e)}),this._bufferService.buffers.onBufferActivate(function(e){return u._onBufferActivate(e)}),this.enable(),this._model=new s.SelectionModel(this._bufferService),this._activeSelectionMode=0}return Object.defineProperty(e.prototype,"onLinuxMouseSelection",{get:function(){return this._onLinuxMouseSelection.event},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"onRedrawRequest",{get:function(){return this._onRedrawRequest.event},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"onSelectionChange",{get:function(){return this._onSelectionChange.event},enumerable:!0,configurable:!0}),e.prototype.dispose=function(){this._removeMouseDownListeners()},e.prototype.reset=function(){this.clearSelection()},e.prototype.disable=function(){this.clearSelection(),this._enabled=!1},e.prototype.enable=function(){this._enabled=!0},Object.defineProperty(e.prototype,"selectionStart",{get:function(){return this._model.finalSelectionStart},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"selectionEnd",{get:function(){return this._model.finalSelectionEnd},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"hasSelection",{get:function(){var e=this._model.finalSelectionStart,t=this._model.finalSelectionEnd;return!(!e||!t)&&(e[0]!==t[0]||e[1]!==t[1])},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"selectionText",{get:function(){var e=this._model.finalSelectionStart,t=this._model.finalSelectionEnd;if(!e||!t)return"";var r=this._bufferService.buffer,i=[];if(3===this._activeSelectionMode){if(e[0]===t[0])return"";for(var n=e[1];n<=t[1];n++){var s=r.translateBufferLineToString(n,!0,e[0],t[0]);i.push(s)}}else{var a=e[1]===t[1]?t[0]:void 0;i.push(r.translateBufferLineToString(e[1],!0,e[0],a));for(n=e[1]+1;n<=t[1]-1;n++){var c=r.lines.get(n);s=r.translateBufferLineToString(n,!0);c&&c.isWrapped?i[i.length-1]+=s:i.push(s)}if(e[1]!==t[1]){c=r.lines.get(t[1]),s=r.translateBufferLineToString(t[1],!0,0,t[0]);c&&c.isWrapped?i[i.length-1]+=s:i.push(s)}}return i.map(function(e){return e.replace(d," ")}).join(o.isWindows?"\r\n":"\n")},enumerable:!0,configurable:!0}),e.prototype.clearSelection=function(){this._model.clearSelection(),this._removeMouseDownListeners(),this.refresh(),this._onSelectionChange.fire()},e.prototype.refresh=function(e){var t=this;(this._refreshAnimationFrame||(this._refreshAnimationFrame=window.requestAnimationFrame(function(){return t._refresh()})),o.isLinux&&e)&&(this.selectionText.length&&this._onLinuxMouseSelection.fire(this.selectionText))},e.prototype._refresh=function(){this._refreshAnimationFrame=void 0,this._onRedrawRequest.fire({start:this._model.finalSelectionStart,end:this._model.finalSelectionEnd,columnSelectMode:3===this._activeSelectionMode})},e.prototype.isClickInSelection=function(e){var t=this._getMouseBufferCoords(e),r=this._model.finalSelectionStart,i=this._model.finalSelectionEnd;return!!(r&&i&&t)&&this._areCoordsInSelection(t,r,i)},e.prototype._areCoordsInSelection=function(e,t,r){return e[1]>t[1]&&e[1]<r[1]||t[1]===r[1]&&e[1]===t[1]&&e[0]>=t[0]&&e[0]<r[0]||t[1]<r[1]&&e[1]===r[1]&&e[0]<r[0]||t[1]<r[1]&&e[1]===t[1]&&e[0]>=t[0]},e.prototype.selectWordAtCursor=function(e){var t=this._getMouseBufferCoords(e);t&&(this._selectWordAt(t,!1),this._model.selectionEnd=void 0,this.refresh(!0))},e.prototype.selectAll=function(){this._model.isSelectAllActive=!0,this.refresh(),this._onSelectionChange.fire()},e.prototype.selectLines=function(e,t){this._model.clearSelection(),e=Math.max(e,0),t=Math.min(t,this._bufferService.buffer.lines.length-1),this._model.selectionStart=[0,e],this._model.selectionEnd=[this._bufferService.cols,t],this.refresh(),this._onSelectionChange.fire()},e.prototype._onTrim=function(e){this._model.onTrim(e)&&this.refresh()},e.prototype._getMouseBufferCoords=function(e){var t=this._mouseService.getCoords(e,this._screenElement,this._bufferService.cols,this._bufferService.rows,!0);if(t)return t[0]--,t[1]--,t[1]+=this._bufferService.buffer.ydisp,t},e.prototype._getMouseEventScrollAmount=function(e){var t=u.getCoordsRelativeToElement(e,this._screenElement)[1],r=this._bufferService.rows*Math.ceil(this._charSizeService.height*this._optionsService.options.lineHeight);return t>=0&&t<=r?0:(t>r&&(t-=r),t=Math.min(Math.max(t,-50),50),(t/=50)/Math.abs(t)+Math.round(14*t))},e.prototype.shouldForceSelection=function(e){return o.isMac?e.altKey&&this._optionsService.options.macOptionClickForcesSelection:e.shiftKey},e.prototype.onMouseDown=function(e){if(this._mouseDownTimeStamp=e.timeStamp,(2!==e.button||!this.hasSelection)&&0===e.button){if(!this._enabled){if(!this.shouldForceSelection(e))return;e.stopPropagation()}e.preventDefault(),this._dragScrollAmount=0,this._enabled&&e.shiftKey?this._onIncrementalClick(e):1===e.detail?this._onSingleClick(e):2===e.detail?this._onDoubleClick(e):3===e.detail&&this._onTripleClick(e),this._addMouseDownListeners(),this.refresh(!0)}},e.prototype._addMouseDownListeners=function(){var e=this;this._screenElement.ownerDocument&&(this._screenElement.ownerDocument.addEventListener("mousemove",this._mouseMoveListener),this._screenElement.ownerDocument.addEventListener("mouseup",this._mouseUpListener)),this._dragScrollIntervalTimer=window.setInterval(function(){return e._dragScroll()},50)},e.prototype._removeMouseDownListeners=function(){this._screenElement.ownerDocument&&(this._screenElement.ownerDocument.removeEventListener("mousemove",this._mouseMoveListener),this._screenElement.ownerDocument.removeEventListener("mouseup",this._mouseUpListener)),clearInterval(this._dragScrollIntervalTimer),this._dragScrollIntervalTimer=void 0},e.prototype._onIncrementalClick=function(e){this._model.selectionStart&&(this._model.selectionEnd=this._getMouseBufferCoords(e))},e.prototype._onSingleClick=function(e){if(this._model.selectionStartLength=0,this._model.isSelectAllActive=!1,this._activeSelectionMode=this.shouldColumnSelect(e)?3:0,this._model.selectionStart=this._getMouseBufferCoords(e),this._model.selectionStart){this._model.selectionEnd=void 0;var t=this._bufferService.buffer.lines.get(this._model.selectionStart[1]);t&&t.length!==this._model.selectionStart[0]&&0===t.hasWidth(this._model.selectionStart[0])&&this._model.selectionStart[0]++}},e.prototype._onDoubleClick=function(e){var t=this._getMouseBufferCoords(e);t&&(this._activeSelectionMode=1,this._selectWordAt(t,!0))},e.prototype._onTripleClick=function(e){var t=this._getMouseBufferCoords(e);t&&(this._activeSelectionMode=2,this._selectLineAt(t[1]))},e.prototype.shouldColumnSelect=function(e){return e.altKey&&!(o.isMac&&this._optionsService.options.macOptionClickForcesSelection)},e.prototype._onMouseMove=function(e){if(e.stopImmediatePropagation(),this._model.selectionStart){var t=this._model.selectionEnd?[this._model.selectionEnd[0],this._model.selectionEnd[1]]:null;if(this._model.selectionEnd=this._getMouseBufferCoords(e),this._model.selectionEnd){2===this._activeSelectionMode?this._model.selectionEnd[1]<this._model.selectionStart[1]?this._model.selectionEnd[0]=0:this._model.selectionEnd[0]=this._bufferService.cols:1===this._activeSelectionMode&&this._selectToWordAt(this._model.selectionEnd),this._dragScrollAmount=this._getMouseEventScrollAmount(e),3!==this._activeSelectionMode&&(this._dragScrollAmount>0?this._model.selectionEnd[0]=this._bufferService.cols:this._dragScrollAmount<0&&(this._model.selectionEnd[0]=0));var r=this._bufferService.buffer;if(this._model.selectionEnd[1]<r.lines.length){var i=r.lines.get(this._model.selectionEnd[1]);i&&0===i.hasWidth(this._model.selectionEnd[0])&&this._model.selectionEnd[0]++}t&&t[0]===this._model.selectionEnd[0]&&t[1]===this._model.selectionEnd[1]||this.refresh(!0)}else this.refresh(!0)}},e.prototype._dragScroll=function(){if(this._model.selectionEnd&&this._model.selectionStart&&this._dragScrollAmount){this._scrollLines(this._dragScrollAmount,!1);var e=this._bufferService.buffer;this._dragScrollAmount>0?(3!==this._activeSelectionMode&&(this._model.selectionEnd[0]=this._bufferService.cols),this._model.selectionEnd[1]=Math.min(e.ydisp+this._bufferService.rows,e.lines.length-1)):(3!==this._activeSelectionMode&&(this._model.selectionEnd[0]=0),this._model.selectionEnd[1]=e.ydisp),this.refresh()}},e.prototype._onMouseUp=function(e){var t=e.timeStamp-this._mouseDownTimeStamp;if(this._removeMouseDownListeners(),this.selectionText.length<=1&&t<500){if(e.altKey&&this._bufferService.buffer.ybase===this._bufferService.buffer.ydisp){var r=this._mouseService.getCoords(e,this._element,this._bufferService.cols,this._bufferService.rows,!1);if(r&&void 0!==r[0]&&void 0!==r[1]){var i=f.moveToCellSequence(r[0]-1,r[1]-1,this._bufferService,this._coreService.decPrivateModes.applicationCursorKeys);this._coreService.triggerDataEvent(i,!0)}}}else this.hasSelection&&this._onSelectionChange.fire()},e.prototype._onBufferActivate=function(e){var t=this;this.clearSelection(),this._trimListener.dispose(),this._trimListener=e.activeBuffer.lines.onTrim(function(e){return t._onTrim(e)})},e.prototype._convertViewportColToCharacterIndex=function(e,t){for(var r=t[0],i=0;t[0]>=i;i++){var n=e.loadCell(i,this._workCell).getChars().length;0===this._workCell.getWidth()?r--:n>1&&t[0]!==i&&(r+=n-1)}return r},e.prototype.setSelection=function(e,t,r){this._model.clearSelection(),this._removeMouseDownListeners(),this._model.selectionStart=[e,t],this._model.selectionStartLength=r,this.refresh()},e.prototype._getWordAt=function(e,t,r,i){if(void 0===r&&(r=!0),void 0===i&&(i=!0),!(e[0]>=this._bufferService.cols)){var n=this._bufferService.buffer,o=n.lines.get(e[1]);if(o){var s=n.translateBufferLineToString(e[1],!1),a=this._convertViewportColToCharacterIndex(o,e),c=a,l=e[0]-a,h=0,u=0,f=0,_=0;if(" "===s.charAt(a)){for(;a>0&&" "===s.charAt(a-1);)a--;for(;c<s.length&&" "===s.charAt(c+1);)c++}else{var d=e[0],p=e[0];0===o.getWidth(d)&&(h++,d--),2===o.getWidth(p)&&(u++,p++);var v=o.getString(p).length;for(v>1&&(_+=v-1,c+=v-1);d>0&&a>0&&!this._isCharWordSeparator(o.loadCell(d-1,this._workCell));){o.loadCell(d-1,this._workCell);var g=this._workCell.getChars().length;0===this._workCell.getWidth()?(h++,d--):g>1&&(f+=g-1,a-=g-1),a--,d--}for(;p<o.length&&c+1<s.length&&!this._isCharWordSeparator(o.loadCell(p+1,this._workCell));){o.loadCell(p+1,this._workCell);var y=this._workCell.getChars().length;2===this._workCell.getWidth()?(u++,p++):y>1&&(_+=y-1,c+=y-1),c++,p++}}c++;var b=a+l-h+f,m=Math.min(this._bufferService.cols,c-a+h+u-f-_);if(t||""!==s.slice(a,c).trim()){if(r&&0===b&&32!==o.getCodePoint(0)){var C=n.lines.get(e[1]-1);if(C&&o.isWrapped&&32!==C.getCodePoint(this._bufferService.cols-1)){var S=this._getWordAt([this._bufferService.cols-1,e[1]-1],!1,!0,!1);if(S){var w=this._bufferService.cols-S.start;b-=w,m+=w}}}if(i&&b+m===this._bufferService.cols&&32!==o.getCodePoint(this._bufferService.cols-1)){var E=n.lines.get(e[1]+1);if(E&&E.isWrapped&&32!==E.getCodePoint(0)){var L=this._getWordAt([0,e[1]+1],!1,!1,!0);L&&(m+=L.length)}}return{start:b,length:m}}}}},e.prototype._selectWordAt=function(e,t){var r=this._getWordAt(e,t);if(r){for(;r.start<0;)r.start+=this._bufferService.cols,e[1]--;this._model.selectionStart=[r.start,e[1]],this._model.selectionStartLength=r.length}},e.prototype._selectToWordAt=function(e){var t=this._getWordAt(e,!0);if(t){for(var r=e[1];t.start<0;)t.start+=this._bufferService.cols,r--;if(!this._model.areSelectionValuesReversed())for(;t.start+t.length>this._bufferService.cols;)t.length-=this._bufferService.cols,r++;this._model.selectionEnd=[this._model.areSelectionValuesReversed()?t.start:t.start+t.length,r]}},e.prototype._isCharWordSeparator=function(e){return 0!==e.getWidth()&&this._optionsService.options.wordSeparator.indexOf(e.getChars())>=0},e.prototype._selectLineAt=function(e){var t=this._bufferService.buffer.getWrappedRangeForLine(e);this._model.selectionStart=[0,t.first],this._model.selectionEnd=[this._bufferService.cols,t.last],this._model.selectionStartLength=0},e=i([n(3,l.ICharSizeService),n(4,h.IBufferService),n(5,h.ICoreService),n(6,l.IMouseService),n(7,h.IOptionsService)],e)}();t.SelectionService=p},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=function(){function e(e){this._bufferService=e,this.isSelectAllActive=!1,this.selectionStartLength=0}return 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h(c(e,t,e,t-o(s,t),!1,s).length,l("D",a))}(a,u,0,t,r,i)+n(u,t,r,i)+function(e,t,r,i,a,u){var f;f=n(t,i,a,u).length>0?i-o(a,i):t;var _=i,d=s(e,t,r,i,a,u);return h(c(e,f,r,_,"C"===d,a).length,l(d,u))}(a,u,e,t,r,i)}},function(e,t,r){"use strict";var i=this&&this.__decorate||function(e,t,r,i){var n,o=arguments.length,s=o<3?t:null===i?i=Object.getOwnPropertyDescriptor(t,r):i;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)s=Reflect.decorate(e,t,r,i);else for(var a=e.length-1;a>=0;a--)(n=e[a])&&(s=(o<3?n(s):o>3?n(t,r,s):n(t,r))||s);return o>3&&s&&Object.defineProperty(t,r,s),s},n=this&&this.__param||function(e,t){return function(r,i){t(r,i,e)}};Object.defineProperty(t,"__esModule",{value:!0});var o=r(0),s=function(){function e(e){this._optionsService=e}return Object.defineProperty(e,"audioContext",{get:function(){if(!e._audioContext){var t=window.AudioContext||window.webkitAudioContext;if(!t)return console.warn("Web Audio API is not supported by this browser. Consider upgrading to the latest version"),null;e._audioContext=new t}return e._audioContext},enumerable:!0,configurable:!0}),e.prototype.playBellSound=function(){var t=e.audioContext;if(t){var r=t.createBufferSource();t.decodeAudioData(this._base64ToArrayBuffer(this._removeMimeType(this._optionsService.options.bellSound)),function(e){r.buffer=e,r.connect(t.destination),r.start(0)})}},e.prototype._base64ToArrayBuffer=function(e){for(var t=window.atob(e),r=t.length,i=new Uint8Array(r),n=0;n<r;n++)i[n]=t.charCodeAt(n);return i.buffer},e.prototype._removeMimeType=function(e){return e.split(",")[1]},e=i([n(0,o.IOptionsService)],e)}();t.SoundService=s},function(e,t,r){"use strict";var i,n=this&&this.__extends||(i=function(e,t){return(i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])})(e,t)},function(e,t){function 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s._onMouseMove(e)},s._mouseLeaveListener=function(e){return s._onMouseLeave(e)},s._clickListener=function(e){return s._onClick(e)},s}return n(t,e),t.prototype.dispose=function(){e.prototype.dispose.call(this),this._deactivate()},t.prototype.add=function(e){this._zones.push(e),1===this._zones.length&&this._activate()},t.prototype.clearAll=function(e,t){if(0!==this._zones.length){e&&t||(e=0,t=this._bufferService.rows-1);for(var r=0;r<this._zones.length;r++){var i=this._zones[r];(i.y1>e&&i.y1<=t+1||i.y2>e&&i.y2<=t+1||i.y1<e&&i.y2>t+1)&&(this._currentZone&&this._currentZone===i&&(this._currentZone.leaveCallback(),this._currentZone=void 0),this._zones.splice(r--,1))}0===this._zones.length&&this._deactivate()}},t.prototype._activate=function(){this._areZonesActive||(this._areZonesActive=!0,this._element.addEventListener("mousemove",this._mouseMoveListener),this._element.addEventListener("mouseleave",this._mouseLeaveListener),this._element.addEventListener("click",this._clickListener))},t.prototype._deactivate=function(){this._areZonesActive&&(this._areZonesActive=!1,this._element.removeEventListener("mousemove",this._mouseMoveListener),this._element.removeEventListener("mouseleave",this._mouseLeaveListener),this._element.removeEventListener("click",this._clickListener))},t.prototype._onMouseMove=function(e){this._lastHoverCoords[0]===e.pageX&&this._lastHoverCoords[1]===e.pageY||(this._onHover(e),this._lastHoverCoords=[e.pageX,e.pageY])},t.prototype._onHover=function(e){var t=this,r=this._findZoneEventAt(e);r!==this._currentZone&&(this._currentZone&&(this._currentZone.leaveCallback(),this._currentZone=void 0,this._tooltipTimeout&&clearTimeout(this._tooltipTimeout)),r&&(this._currentZone=r,r.hoverCallback&&r.hoverCallback(e),this._tooltipTimeout=setTimeout(function(){return t._onTooltip(e)},500)))},t.prototype._onTooltip=function(e){this._tooltipTimeout=void 0;var t=this._findZoneEventAt(e);t&&t.tooltipCallback&&t.tooltipCallback(e)},t.prototype._onMouseDown=function(e){var t;(this._initialSelectionLength=this._getSelectionLength(),this._areZonesActive)&&((null===(t=this._findZoneEventAt(e))||void 0===t?void 0:t.willLinkActivate(e))&&(e.preventDefault(),e.stopImmediatePropagation()))},t.prototype._onMouseLeave=function(e){this._currentZone&&(this._currentZone.leaveCallback(),this._currentZone=void 0,this._tooltipTimeout&&clearTimeout(this._tooltipTimeout))},t.prototype._onClick=function(e){var t=this._findZoneEventAt(e),r=this._getSelectionLength();t&&r===this._initialSelectionLength&&(t.clickCallback(e),e.preventDefault(),e.stopImmediatePropagation())},t.prototype._getSelectionLength=function(){var e=this._selectionService.selectionText;return e?e.length:0},t.prototype._findZoneEventAt=function(e){var t=this._mouseService.getCoords(e,this._screenElement,this._bufferService.cols,this._bufferService.rows);if(t)for(var r=t[0],i=t[1],n=0;n<this._zones.length;n++){var o=this._zones[n];if(o.y1===o.y2){if(i===o.y1&&r>=o.x1&&r<o.x2)return o}else if(i===o.y1&&r>=o.x1||i===o.y2&&r<o.x2||i>o.y1&&i<o.y2)return o}},t=o([s(2,h.IBufferService),s(3,l.IMouseService),s(4,l.ISelectionService)],t)}(a.Disposable);t.MouseZoneManager=u},function(e,t,r){"use strict";var i,n=this&&this.__extends||(i=function(e,t){return(i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])})(e,t)},function(e,t){function r(){this.constructor=e}i(e,t),e.prototype=null===t?Object.create(t):(r.prototype=t.prototype,new r)});Object.defineProperty(t,"__esModule",{value:!0});var o=r(17),s=r(11),a=r(30),c=r(7),l=r(2),h=r(31),u=function(e){function t(t,r){var i=e.call(this)||this;i._terminal=t,i._renderService=r,i._liveRegionLineCount=0,i._charsToConsume=[],i._charsToAnnounce="",i._accessibilityTreeRoot=document.createElement("div"),i._accessibilityTreeRoot.classList.add("xterm-accessibility"),i._rowContainer=document.createElement("div"),i._rowContainer.classList.add("xterm-accessibility-tree"),i._rowElements=[];for(var n=0;n<i._terminal.rows;n++)i._rowElements[n]=i._createAccessibilityTreeNode(),i._rowContainer.appendChild(i._rowElements[n]);return i._topBoundaryFocusListener=function(e){return i._onBoundaryFocus(e,0)},i._bottomBoundaryFocusListener=function(e){return i._onBoundaryFocus(e,1)},i._rowElements[0].addEventListener("focus",i._topBoundaryFocusListener),i._rowElements[i._rowElements.length-1].addEventListener("focus",i._bottomBoundaryFocusListener),i._refreshRowsDimensions(),i._accessibilityTreeRoot.appendChild(i._rowContainer),i._renderRowsDebouncer=new a.RenderDebouncer(i._renderRows.bind(i)),i._refreshRows(),i._liveRegion=document.createElement("div"),i._liveRegion.classList.add("live-region"),i._liveRegion.setAttribute("aria-live","assertive"),i._accessibilityTreeRoot.appendChild(i._liveRegion),i._terminal.element.insertAdjacentElement("afterbegin",i._accessibilityTreeRoot),i.register(i._renderRowsDebouncer),i.register(i._terminal.onResize(function(e){return i._onResize(e.rows)})),i.register(i._terminal.onRender(function(e){return i._refreshRows(e.start,e.end)})),i.register(i._terminal.onScroll(function(){return i._refreshRows()})),i.register(i._terminal.onA11yChar(function(e){return i._onChar(e)})),i.register(i._terminal.onLineFeed(function(){return i._onChar("\n")})),i.register(i._terminal.onA11yTab(function(e){return i._onTab(e)})),i.register(i._terminal.onKey(function(e){return i._onKey(e.key)})),i.register(i._terminal.onBlur(function(){return i._clearLiveRegion()})),i.register(i._renderService.onDimensionsChange(function(){return i._refreshRowsDimensions()})),i._screenDprMonitor=new h.ScreenDprMonitor,i.register(i._screenDprMonitor),i._screenDprMonitor.setListener(function(){return i._refreshRowsDimensions()}),i.register(c.addDisposableDomListener(window,"resize",function(){return i._refreshRowsDimensions()})),i}return n(t,e),t.prototype.dispose=function(){e.prototype.dispose.call(this),this._terminal.element.removeChild(this._accessibilityTreeRoot),this._rowElements.length=0},t.prototype._onBoundaryFocus=function(e,t){var r=e.target,i=this._rowElements[0===t?1:this._rowElements.length-2];if(r.getAttribute("aria-posinset")!==(0===t?"1":""+this._terminal.buffer.lines.length)&&e.relatedTarget===i){var n,o;if(0===t?(n=r,o=this._rowElements.pop(),this._rowContainer.removeChild(o)):(n=this._rowElements.shift(),o=r,this._rowContainer.removeChild(n)),n.removeEventListener("focus",this._topBoundaryFocusListener),o.removeEventListener("focus",this._bottomBoundaryFocusListener),0===t){var s=this._createAccessibilityTreeNode();this._rowElements.unshift(s),this._rowContainer.insertAdjacentElement("afterbegin",s)}else{s=this._createAccessibilityTreeNode();this._rowElements.push(s),this._rowContainer.appendChild(s)}this._rowElements[0].addEventListener("focus",this._topBoundaryFocusListener),this._rowElements[this._rowElements.length-1].addEventListener("focus",this._bottomBoundaryFocusListener),this._terminal.scrollLines(0===t?-1:1),this._rowElements[0===t?1:this._rowElements.length-2].focus(),e.preventDefault(),e.stopImmediatePropagation()}},t.prototype._onResize=function(e){this._rowElements[this._rowElements.length-1].removeEventListener("focus",this._bottomBoundaryFocusListener);for(var t=this._rowContainer.children.length;t<this._terminal.rows;t++)this._rowElements[t]=this._createAccessibilityTreeNode(),this._rowContainer.appendChild(this._rowElements[t]);for(;this._rowElements.length>e;)this._rowContainer.removeChild(this._rowElements.pop());this._rowElements[this._rowElements.length-1].addEventListener("focus",this._bottomBoundaryFocusListener),this._refreshRowsDimensions()},t.prototype._createAccessibilityTreeNode=function(){var e=document.createElement("div");return e.setAttribute("role","listitem"),e.tabIndex=-1,this._refreshRowDimensions(e),e},t.prototype._onTab=function(e){for(var t=0;t<e;t++)this._onChar(" ")},t.prototype._onChar=function(e){var t=this;if(this._liveRegionLineCount<21){if(this._charsToConsume.length>0)this._charsToConsume.shift()!==e&&(this._charsToAnnounce+=e);else this._charsToAnnounce+=e;"\n"===e&&(this._liveRegionLineCount++,21===this._liveRegionLineCount&&(this._liveRegion.textContent+=o.tooMuchOutput)),s.isMac&&this._liveRegion.textContent&&this._liveRegion.textContent.length>0&&!this._liveRegion.parentNode&&setTimeout(function(){t._accessibilityTreeRoot.appendChild(t._liveRegion)},0)}},t.prototype._clearLiveRegion=function(){this._liveRegion.textContent="",this._liveRegionLineCount=0,s.isMac&&this._liveRegion.parentNode&&this._accessibilityTreeRoot.removeChild(this._liveRegion)},t.prototype._onKey=function(e){this._clearLiveRegion(),this._charsToConsume.push(e)},t.prototype._refreshRows=function(e,t){this._renderRowsDebouncer.refresh(e,t,this._terminal.rows)},t.prototype._renderRows=function(e,t){for(var r=this._terminal.buffer,i=r.lines.length.toString(),n=e;n<=t;n++){var o=r.translateBufferLineToString(r.ydisp+n,!0),s=(r.ydisp+n+1).toString(),a=this._rowElements[n];a&&(0===o.length?a.innerHTML=" ":a.textContent=o,a.setAttribute("aria-posinset",s),a.setAttribute("aria-setsize",i))}this._announceCharacters()},t.prototype._refreshRowsDimensions=function(){if(this._renderService.dimensions.actualCellHeight){this._rowElements.length!==this._terminal.rows&&this._onResize(this._terminal.rows);for(var e=0;e<this._terminal.rows;e++)this._refreshRowDimensions(this._rowElements[e])}},t.prototype._refreshRowDimensions=function(e){e.style.height=this._renderService.dimensions.actualCellHeight+"px"},t.prototype._announceCharacters=function(){0!==this._charsToAnnounce.length&&(this._liveRegion.textContent+=this._charsToAnnounce,this._charsToAnnounce="")},t}(l.Disposable);t.AccessibilityManager=u},function(e,t,r){"use strict";var i,n=this&&this.__extends||(i=function(e,t){return(i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])})(e,t)},function(e,t){function r(){this.constructor=e}i(e,t),e.prototype=null===t?Object.create(t):(r.prototype=t.prototype,new r)}),o=this&&this.__decorate||function(e,t,r,i){var n,o=arguments.length,s=o<3?t:null===i?i=Object.getOwnPropertyDescriptor(t,r):i;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)s=Reflect.decorate(e,t,r,i);else for(var a=e.length-1;a>=0;a--)(n=e[a])&&(s=(o<3?n(s):o>3?n(t,r,s):n(t,r))||s);return o>3&&s&&Object.defineProperty(t,r,s),s},s=this&&this.__param||function(e,t){return function(r,i){t(r,i,e)}};Object.defineProperty(t,"__esModule",{value:!0});var a=r(58),c=r(9),l=r(2),h=r(4),u=r(0),f=r(1),_=r(10),d="xterm-dom-renderer-owner-",p="xterm-rows",v="xterm-selection",g=1,y=function(e){function t(t,r,i,n,o,s,c,l){var h=e.call(this)||this;return h._colors=t,h._element=r,h._screenElement=i,h._viewportElement=n,h._linkifier=o,h._charSizeService=s,h._optionsService=c,h._bufferService=l,h._terminalClass=g++,h._rowElements=[],h._onRequestRefreshRows=new f.EventEmitter,h._rowContainer=document.createElement("div"),h._rowContainer.classList.add(p),h._rowContainer.style.lineHeight="normal",h._rowContainer.setAttribute("aria-hidden","true"),h._refreshRowElements(h._bufferService.cols,h._bufferService.rows),h._selectionContainer=document.createElement("div"),h._selectionContainer.classList.add(v),h._selectionContainer.setAttribute("aria-hidden","true"),h.dimensions={scaledCharWidth:0,scaledCharHeight:0,scaledCellWidth:0,scaledCellHeight:0,scaledCharLeft:0,scaledCharTop:0,scaledCanvasWidth:0,scaledCanvasHeight:0,canvasWidth:0,canvasHeight:0,actualCellWidth:0,actualCellHeight:0},h._updateDimensions(),h._injectCss(),h._rowFactory=new a.DomRendererRowFactory(document,h._optionsService,h._colors),h._element.classList.add(d+h._terminalClass),h._screenElement.appendChild(h._rowContainer),h._screenElement.appendChild(h._selectionContainer),h._linkifier.onLinkHover(function(e){return h._onLinkHover(e)}),h._linkifier.onLinkLeave(function(e){return h._onLinkLeave(e)}),h}return n(t,e),Object.defineProperty(t.prototype,"onRequestRefreshRows",{get:function(){return this._onRequestRefreshRows.event},enumerable:!0,configurable:!0}),t.prototype.dispose=function(){this._element.classList.remove(d+this._terminalClass),this._screenElement.removeChild(this._rowContainer),this._screenElement.removeChild(this._selectionContainer),this._screenElement.removeChild(this._themeStyleElement),this._screenElement.removeChild(this._dimensionsStyleElement),e.prototype.dispose.call(this)},t.prototype._updateDimensions=function(){var e=this;this.dimensions.scaledCharWidth=this._charSizeService.width*window.devicePixelRatio,this.dimensions.scaledCharHeight=Math.ceil(this._charSizeService.height*window.devicePixelRatio),this.dimensions.scaledCellWidth=this.dimensions.scaledCharWidth+Math.round(this._optionsService.options.letterSpacing),this.dimensions.scaledCellHeight=Math.floor(this.dimensions.scaledCharHeight*this._optionsService.options.lineHeight),this.dimensions.scaledCharLeft=0,this.dimensions.scaledCharTop=0,this.dimensions.scaledCanvasWidth=this.dimensions.scaledCellWidth*this._bufferService.cols,this.dimensions.scaledCanvasHeight=this.dimensions.scaledCellHeight*this._bufferService.rows,this.dimensions.canvasWidth=Math.round(this.dimensions.scaledCanvasWidth/window.devicePixelRatio),this.dimensions.canvasHeight=Math.round(this.dimensions.scaledCanvasHeight/window.devicePixelRatio),this.dimensions.actualCellWidth=this.dimensions.canvasWidth/this._bufferService.cols,this.dimensions.actualCellHeight=this.dimensions.canvasHeight/this._bufferService.rows,this._rowElements.forEach(function(t){t.style.width=e.dimensions.canvasWidth+"px",t.style.height=e.dimensions.actualCellHeight+"px",t.style.lineHeight=e.dimensions.actualCellHeight+"px",t.style.overflow="hidden"}),this._dimensionsStyleElement||(this._dimensionsStyleElement=document.createElement("style"),this._screenElement.appendChild(this._dimensionsStyleElement));var t=this._terminalSelector+" ."+p+" span { display: inline-block; height: 100%; vertical-align: top; width: "+this.dimensions.actualCellWidth+"px}";this._dimensionsStyleElement.innerHTML=t,this._selectionContainer.style.height=this._viewportElement.style.height,this._screenElement.style.width=this.dimensions.canvasWidth+"px",this._screenElement.style.height=this.dimensions.canvasHeight+"px"},t.prototype.setColors=function(e){this._colors=e,this._injectCss()},t.prototype._injectCss=function(){var e=this;this._themeStyleElement||(this._themeStyleElement=document.createElement("style"),this._screenElement.appendChild(this._themeStyleElement));var t=this._terminalSelector+" ."+p+" { color: "+this._colors.foreground.css+"; background-color: "+this._colors.background.css+"; font-family: "+this._optionsService.options.fontFamily+"; font-size: "+this._optionsService.options.fontSize+"px;}";t+=this._terminalSelector+" span:not(."+a.BOLD_CLASS+") { font-weight: "+this._optionsService.options.fontWeight+";}"+this._terminalSelector+" span."+a.BOLD_CLASS+" { font-weight: "+this._optionsService.options.fontWeightBold+";}"+this._terminalSelector+" span."+a.ITALIC_CLASS+" { font-style: italic;}",t+="@keyframes blink_box_shadow { 50% { box-shadow: none; }}",t+="@keyframes blink_block { 0% { background-color: "+this._colors.cursor.css+"; color: "+this._colors.cursorAccent.css+"; } 50% { background-color: "+this._colors.cursorAccent.css+"; color: "+this._colors.cursor.css+"; }}",t+=this._terminalSelector+" ."+p+":not(.xterm-focus) ."+a.CURSOR_CLASS+"."+a.CURSOR_STYLE_BLOCK_CLASS+" { outline: 1px solid "+this._colors.cursor.css+"; outline-offset: -1px;}"+this._terminalSelector+" ."+p+".xterm-focus ."+a.CURSOR_CLASS+"."+a.CURSOR_BLINK_CLASS+":not(."+a.CURSOR_STYLE_BLOCK_CLASS+") { animation: blink_box_shadow 1s step-end infinite;}"+this._terminalSelector+" ."+p+".xterm-focus ."+a.CURSOR_CLASS+"."+a.CURSOR_BLINK_CLASS+"."+a.CURSOR_STYLE_BLOCK_CLASS+" { animation: blink_block 1s step-end infinite;}"+this._terminalSelector+" ."+p+".xterm-focus ."+a.CURSOR_CLASS+"."+a.CURSOR_STYLE_BLOCK_CLASS+" { background-color: "+this._colors.cursor.css+"; color: "+this._colors.cursorAccent.css+";}"+this._terminalSelector+" ."+p+" ."+a.CURSOR_CLASS+"."+a.CURSOR_STYLE_BAR_CLASS+" { box-shadow: 1px 0 0 "+this._colors.cursor.css+" inset;}"+this._terminalSelector+" ."+p+" ."+a.CURSOR_CLASS+"."+a.CURSOR_STYLE_UNDERLINE_CLASS+" { box-shadow: 0 -1px 0 "+this._colors.cursor.css+" inset;}",t+=this._terminalSelector+" ."+v+" { position: absolute; top: 0; left: 0; z-index: 1; pointer-events: none;}"+this._terminalSelector+" ."+v+" div { position: absolute; background-color: "+this._colors.selection.css+";}",this._colors.ansi.forEach(function(r,i){t+=e._terminalSelector+" .xterm-fg-"+i+" { color: "+r.css+"; }"+e._terminalSelector+" .xterm-bg-"+i+" { background-color: "+r.css+"; }"}),t+=this._terminalSelector+" .xterm-fg-"+c.INVERTED_DEFAULT_COLOR+" { color: "+_.opaque(this._colors.background).css+"; }"+this._terminalSelector+" .xterm-bg-"+c.INVERTED_DEFAULT_COLOR+" { background-color: "+this._colors.foreground.css+"; }",this._themeStyleElement.innerHTML=t},t.prototype.onDevicePixelRatioChange=function(){this._updateDimensions()},t.prototype._refreshRowElements=function(e,t){for(var r=this._rowElements.length;r<=t;r++){var i=document.createElement("div");this._rowContainer.appendChild(i),this._rowElements.push(i)}for(;this._rowElements.length>t;)this._rowContainer.removeChild(this._rowElements.pop())},t.prototype.onResize=function(e,t){this._refreshRowElements(e,t),this._updateDimensions()},t.prototype.onCharSizeChanged=function(){this._updateDimensions()},t.prototype.onBlur=function(){this._rowContainer.classList.remove("xterm-focus")},t.prototype.onFocus=function(){this._rowContainer.classList.add("xterm-focus")},t.prototype.onSelectionChanged=function(e,t,r){for(;this._selectionContainer.children.length;)this._selectionContainer.removeChild(this._selectionContainer.children[0]);if(e&&t){var i=e[1]-this._bufferService.buffer.ydisp,n=t[1]-this._bufferService.buffer.ydisp,o=Math.max(i,0),s=Math.min(n,this._bufferService.rows-1);if(!(o>=this._bufferService.rows||s<0)){var a=document.createDocumentFragment();if(r)a.appendChild(this._createSelectionElement(o,e[0],t[0],s-o+1));else{var c=i===o?e[0]:0,l=o===s?t[0]:this._bufferService.cols;a.appendChild(this._createSelectionElement(o,c,l));var h=s-o-1;if(a.appendChild(this._createSelectionElement(o+1,0,this._bufferService.cols,h)),o!==s){var u=n===s?t[0]:this._bufferService.cols;a.appendChild(this._createSelectionElement(s,0,u))}}this._selectionContainer.appendChild(a)}}},t.prototype._createSelectionElement=function(e,t,r,i){void 0===i&&(i=1);var n=document.createElement("div");return n.style.height=i*this.dimensions.actualCellHeight+"px",n.style.top=e*this.dimensions.actualCellHeight+"px",n.style.left=t*this.dimensions.actualCellWidth+"px",n.style.width=this.dimensions.actualCellWidth*(r-t)+"px",n},t.prototype.onCursorMove=function(){},t.prototype.onOptionsChanged=function(){this._updateDimensions(),this._injectCss()},t.prototype.clear=function(){this._rowElements.forEach(function(e){return e.innerHTML=""})},t.prototype.renderRows=function(e,t){for(var r=this._bufferService.buffer.ybase+this._bufferService.buffer.y,i=this._bufferService.buffer.x,n=this._optionsService.options.cursorBlink,o=e;o<=t;o++){var s=this._rowElements[o];s.innerHTML="";var a=o+this._bufferService.buffer.ydisp,c=this._bufferService.buffer.lines.get(a),l=this._optionsService.options.cursorStyle;s.appendChild(this._rowFactory.createRow(c,a===r,l,i,n,this.dimensions.actualCellWidth,this._bufferService.cols))}},Object.defineProperty(t.prototype,"_terminalSelector",{get:function(){return"."+d+this._terminalClass},enumerable:!0,configurable:!0}),t.prototype.registerCharacterJoiner=function(e){return-1},t.prototype.deregisterCharacterJoiner=function(e){return!1},t.prototype._onLinkHover=function(e){this._setCellUnderline(e.x1,e.x2,e.y1,e.y2,e.cols,!0)},t.prototype._onLinkLeave=function(e){this._setCellUnderline(e.x1,e.x2,e.y1,e.y2,e.cols,!1)},t.prototype._setCellUnderline=function(e,t,r,i,n,o){for(;e!==t||r!==i;){var s=this._rowElements[r];if(!s)return;var a=s.children[e];a&&(a.style.textDecoration=o?"underline":"none"),++e>=n&&(e=0,r++)}},t=o([s(5,h.ICharSizeService),s(6,u.IOptionsService),s(7,u.IBufferService)],t)}(l.Disposable);t.DomRenderer=y},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(9),n=r(3),o=r(5),s=r(10);t.BOLD_CLASS="xterm-bold",t.DIM_CLASS="xterm-dim",t.ITALIC_CLASS="xterm-italic",t.UNDERLINE_CLASS="xterm-underline",t.CURSOR_CLASS="xterm-cursor",t.CURSOR_BLINK_CLASS="xterm-cursor-blink",t.CURSOR_STYLE_BLOCK_CLASS="xterm-cursor-block",t.CURSOR_STYLE_BAR_CLASS="xterm-cursor-bar",t.CURSOR_STYLE_UNDERLINE_CLASS="xterm-cursor-underline";var a=function(){function e(e,t,r){this._document=e,this._optionsService=t,this._colors=r,this._workCell=new o.CellData}return e.prototype.setColors=function(e){this._colors=e},e.prototype.createRow=function(e,r,o,a,l,h,u){for(var f=this._document.createDocumentFragment(),_=0,d=Math.min(e.length,u)-1;d>=0;d--)if(e.loadCell(d,this._workCell).getCode()!==n.NULL_CELL_CODE||r&&d===a){_=d+1;break}for(d=0;d<_;d++){e.loadCell(d,this._workCell);var p=this._workCell.getWidth();if(0!==p){var v=this._document.createElement("span");if(p>1&&(v.style.width=h*p+"px"),r&&d===a)switch(v.classList.add(t.CURSOR_CLASS),l&&v.classList.add(t.CURSOR_BLINK_CLASS),o){case"bar":v.classList.add(t.CURSOR_STYLE_BAR_CLASS);break;case"underline":v.classList.add(t.CURSOR_STYLE_UNDERLINE_CLASS);break;default:v.classList.add(t.CURSOR_STYLE_BLOCK_CLASS)}this._workCell.isBold()&&v.classList.add(t.BOLD_CLASS),this._workCell.isItalic()&&v.classList.add(t.ITALIC_CLASS),this._workCell.isDim()&&v.classList.add(t.DIM_CLASS),this._workCell.isUnderline()&&v.classList.add(t.UNDERLINE_CLASS),v.textContent=this._workCell.getChars()||n.WHITESPACE_CELL_CHAR;var g=this._workCell.getFgColor(),y=this._workCell.getFgColorMode(),b=this._workCell.getBgColor(),m=this._workCell.getBgColorMode(),C=!!this._workCell.isInverse();if(C){var S=g;g=b,b=S;var w=y;y=m,m=w}switch(y){case 16777216:case 33554432:this._workCell.isBold()&&g<8&&this._optionsService.options.drawBoldTextInBrightColors&&(g+=8),this._applyMinimumContrast(v,this._colors.background,this._colors.ansi[g])||v.classList.add("xterm-fg-"+g);break;case 50331648:var E=s.rgbaToColor(g>>16&255,g>>8&255,255&g);this._applyMinimumContrast(v,this._colors.background,E)||this._addStyle(v,"color:#"+c(g.toString(16),"0",6));break;case 0:default:this._applyMinimumContrast(v,this._colors.background,this._colors.foreground)||C&&v.classList.add("xterm-fg-"+i.INVERTED_DEFAULT_COLOR)}switch(m){case 16777216:case 33554432:v.classList.add("xterm-bg-"+b);break;case 50331648:this._addStyle(v,"background-color:#"+c(b.toString(16),"0",6));break;case 0:default:C&&v.classList.add("xterm-bg-"+i.INVERTED_DEFAULT_COLOR)}f.appendChild(v)}}return f},e.prototype._applyMinimumContrast=function(e,t,r){if(1===this._optionsService.options.minimumContrastRatio)return!1;var i=this._colors.contrastCache.getColor(this._workCell.bg,this._workCell.fg);return void 0===i&&(i=s.ensureContrastRatio(t,r,this._optionsService.options.minimumContrastRatio),this._colors.contrastCache.setColor(this._workCell.bg,this._workCell.fg,null!=i?i:null)),!!i&&(this._addStyle(e,"color:"+i.css),!0)},e.prototype._addStyle=function(e,t){e.setAttribute("style",""+(e.getAttribute("style")||"")+t+";")},e}();function c(e,t,r){for(;e.length<r;)e=t+e;return e}t.DomRendererRowFactory=a},function(e,t,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r(12),n={48:["0",")"],49:["1","!"],50:["2","@"],51:["3","#"],52:["4","$"],53:["5","%"],54:["6","^"],55:["7","&"],56:["8","*"],57:["9","("],186:[";",":"],187:["=","+"],188:[",","<"],189:["-","_"],190:[".",">"],191:["/","?"],192:["`","~"],219:["[","{"],220:["\\","|"],221:["]","}"],222:["'",'"']};t.evaluateKeyboardEvent=function(e,t,r,o){var s={type:0,cancel:!1,key:void 0},a=(e.shiftKey?1:0)|(e.altKey?2:0)|(e.ctrlKey?4:0)|(e.metaKey?8:0);switch(e.keyCode){case 0:"UIKeyInputUpArrow"===e.key?s.key=t?i.C0.ESC+"OA":i.C0.ESC+"[A":"UIKeyInputLeftArrow"===e.key?s.key=t?i.C0.ESC+"OD":i.C0.ESC+"[D":"UIKeyInputRightArrow"===e.key?s.key=t?i.C0.ESC+"OC":i.C0.ESC+"[C":"UIKeyInputDownArrow"===e.key&&(s.key=t?i.C0.ESC+"OB":i.C0.ESC+"[B");break;case 8:if(e.shiftKey){s.key=i.C0.BS;break}if(e.altKey){s.key=i.C0.ESC+i.C0.DEL;break}s.key=i.C0.DEL;break;case 9:if(e.shiftKey){s.key=i.C0.ESC+"[Z";break}s.key=i.C0.HT,s.cancel=!0;break;case 13:s.key=i.C0.CR,s.cancel=!0;break;case 27:s.key=i.C0.ESC,s.cancel=!0;break;case 37:if(e.metaKey)break;a?(s.key=i.C0.ESC+"[1;"+(a+1)+"D",s.key===i.C0.ESC+"[1;3D"&&(s.key=i.C0.ESC+(r?"b":"[1;5D"))):s.key=t?i.C0.ESC+"OD":i.C0.ESC+"[D";break;case 39:if(e.metaKey)break;a?(s.key=i.C0.ESC+"[1;"+(a+1)+"C",s.key===i.C0.ESC+"[1;3C"&&(s.key=i.C0.ESC+(r?"f":"[1;5C"))):s.key=t?i.C0.ESC+"OC":i.C0.ESC+"[C";break;case 38:if(e.metaKey)break;a?(s.key=i.C0.ESC+"[1;"+(a+1)+"A",r||s.key!==i.C0.ESC+"[1;3A"||(s.key=i.C0.ESC+"[1;5A")):s.key=t?i.C0.ESC+"OA":i.C0.ESC+"[A";break;case 40:if(e.metaKey)break;a?(s.key=i.C0.ESC+"[1;"+(a+1)+"B",r||s.key!==i.C0.ESC+"[1;3B"||(s.key=i.C0.ESC+"[1;5B")):s.key=t?i.C0.ESC+"OB":i.C0.ESC+"[B";break;case 45:e.shiftKey||e.ctrlKey||(s.key=i.C0.ESC+"[2~");break;case 46:s.key=a?i.C0.ESC+"[3;"+(a+1)+"~":i.C0.ESC+"[3~";break;case 36:s.key=a?i.C0.ESC+"[1;"+(a+1)+"H":t?i.C0.ESC+"OH":i.C0.ESC+"[H";break;case 35:s.key=a?i.C0.ESC+"[1;"+(a+1)+"F":t?i.C0.ESC+"OF":i.C0.ESC+"[F";break;case 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+//# sourceMappingURL=xterm.js.map
\ No newline at end of file
diff --git a/src/www/xterm.js.map b/src/www/xterm.js.map
index cf96ecb..4733a0b 100644
--- a/src/www/xterm.js.map
+++ b/src/www/xterm.js.map
@@ -1 +1 @@
-{"version":3,"file":"xterm.js","sources":["../src/xterm.ts","../src/ui/ScreenDprMonitor.ts","../src/ui/RenderDebouncer.ts","../src/ui/Lifecycle.ts","../src/renderer/dom/DomRendererRowFactory.ts","../src/renderer/dom/DomRenderer.ts","../src/renderer/atlas/Types.ts","../src/renderer/atlas/StaticCharAtlas.ts","../src/renderer/atlas/NoneCharAtlas.ts","../src/renderer/atlas/LRUMap.ts","../src/renderer/atlas/DynamicCharAtlas.ts","../src/renderer/atlas/CharAtlasUtils.ts","../src/renderer/atlas/CharAtlasGenerator.ts","../src/renderer/atlas/CharAtlasCache.ts","../src/renderer/atlas/BaseCharAtlas.ts","../src/renderer/TextRenderLayer.ts","../src/renderer/SelectionRenderLayer.ts","../src/renderer/Renderer.ts","../src/renderer/LinkRenderLayer.ts","../src/renderer/GridCache.ts","../src/renderer/CursorRenderLayer.ts","../src/renderer/ColorManager.ts","../src/renderer/CharacterJoinerRegistry.ts","../src/renderer/BaseRenderLayer.ts","../src/public/Terminal.ts","../src/handlers/AltClickHandler.ts","../src/core/input/TextDecoder.ts","../src/core/input/Keyboard.ts","../src/core/data/Charsets.ts","../src/common/data/EscapeSequences.ts","../src/common/TypedArrayUtils.ts","../src/common/Platform.ts","../src/common/Lifecycle.ts","../src/common/EventEmitter2.ts","../src/common/EventEmitter.ts","../src/common/Clone.ts","../src/common/CircularList.ts","../src/WindowsMode.ts","../src/Viewport.ts","../src/Terminal.ts","../src/Strings.ts","../src/SoundManager.ts","../src/SelectionModel.ts","../src/SelectionManager.ts","../src/MouseZoneManager.ts","../src/MouseHelper.ts","../src/Linkifier.ts","../src/InputHandler.ts","../src/EscapeSequenceParser.ts","../src/CompositionHelper.ts","../src/Clipboard.ts","../src/CharWidth.ts","../src/CharMeasure.ts","../src/BufferSet.ts","../src/BufferReflow.ts","../src/BufferLine.ts","../src/Buffer.ts","../src/AccessibilityManager.ts","../node_modules/browser-pack/_prelude.js"],"sourcesContent":["/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n *\n * This file is the entry point for browserify.\n */\n\nimport { Terminal } from './public/Terminal';\n\nmodule.exports = Terminal;\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { Disposable } from '../common/Lifecycle';\n\nexport type ScreenDprListener = (newDevicePixelRatio?: number, oldDevicePixelRatio?: number) => void;\n\n/**\n * The screen device pixel ratio monitor allows listening for when the\n * window.devicePixelRatio value changes. This is done not with polling but with\n * the use of window.matchMedia to watch media queries. When the event fires,\n * the listener will be reattached using a different media query to ensure that\n * any further changes will register.\n *\n * The listener should fire on both window zoom changes and switching to a\n * monitor with a different DPI.\n */\nexport class ScreenDprMonitor extends Disposable {\n private _currentDevicePixelRatio: number = window.devicePixelRatio;\n private _outerListener: ((this: MediaQueryList, ev: MediaQueryListEvent) => any) | undefined;\n private _listener: ScreenDprListener | undefined;\n private _resolutionMediaMatchList: MediaQueryList | undefined;\n\n public setListener(listener: ScreenDprListener): void {\n if (this._listener) {\n this.clearListener();\n }\n this._listener = listener;\n this._outerListener = () => {\n if (!this._listener) {\n return;\n }\n this._listener(window.devicePixelRatio, this._currentDevicePixelRatio);\n this._updateDpr();\n };\n this._updateDpr();\n }\n\n public dispose(): void {\n super.dispose();\n this.clearListener();\n }\n\n private _updateDpr(): void {\n if (!this._resolutionMediaMatchList || !this._outerListener) {\n return;\n }\n\n // Clear listeners for old DPR\n this._resolutionMediaMatchList.removeListener(this._outerListener);\n\n // Add listeners for new DPR\n this._currentDevicePixelRatio = window.devicePixelRatio;\n this._resolutionMediaMatchList = window.matchMedia(`screen and (resolution: ${window.devicePixelRatio}dppx)`);\n this._resolutionMediaMatchList.addListener(this._outerListener);\n }\n\n public clearListener(): void {\n if (!this._resolutionMediaMatchList || !this._listener || !this._outerListener) {\n return;\n }\n this._resolutionMediaMatchList.removeListener(this._outerListener);\n this._resolutionMediaMatchList = undefined;\n this._listener = undefined;\n this._outerListener = undefined;\n }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IDisposable } from '../common/Types';\n\n/**\n * Debounces calls to render terminal rows using animation frames.\n */\nexport class RenderDebouncer implements IDisposable {\n private _rowStart: number | undefined;\n private _rowEnd: number | undefined;\n private _rowCount: number | undefined;\n private _animationFrame: number | undefined;\n\n constructor(\n private _renderCallback: (start: number, end: number) => void\n ) {\n }\n\n public dispose(): void {\n if (this._animationFrame) {\n window.cancelAnimationFrame(this._animationFrame);\n this._animationFrame = undefined;\n }\n }\n\n public refresh(rowStart: number, rowEnd: number, rowCount: number): void {\n this._rowCount = rowCount;\n // Get the min/max row start/end for the arg values\n rowStart = rowStart !== undefined ? rowStart : 0;\n rowEnd = rowEnd !== undefined ? rowEnd : this._rowCount - 1;\n // Set the properties to the updated values\n this._rowStart = this._rowStart !== undefined ? Math.min(this._rowStart, rowStart) : rowStart;\n this._rowEnd = this._rowEnd !== undefined ? Math.max(this._rowEnd, rowEnd) : rowEnd;\n\n if (this._animationFrame) {\n return;\n }\n\n this._animationFrame = window.requestAnimationFrame(() => this._innerRefresh());\n }\n\n private _innerRefresh(): void {\n // Make sure values are set\n if (this._rowStart === undefined || this._rowEnd === undefined || this._rowCount === undefined) {\n return;\n }\n\n // Clamp values\n this._rowStart = Math.max(this._rowStart, 0);\n this._rowEnd = Math.min(this._rowEnd, this._rowCount - 1);\n\n // Run render callback\n this._renderCallback(this._rowStart, this._rowEnd);\n\n // Reset debouncer\n this._rowStart = undefined;\n this._rowEnd = undefined;\n this._animationFrame = undefined;\n }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IDisposable } from '../common/Types';\n\n/**\n * Adds a disposable listener to a node in the DOM, returning the disposable.\n * @param type The event type.\n * @param handler The handler for the listener.\n */\nexport function addDisposableDomListener(\n node: Element | Window | Document,\n type: string,\n handler: (e: any) => void,\n useCapture?: boolean\n): IDisposable {\n node.addEventListener(type, handler, useCapture);\n return {\n dispose: () => {\n if (!handler) {\n // Already disposed\n return;\n }\n node.removeEventListener(type, handler, useCapture);\n }\n };\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { NULL_CELL_CODE, WHITESPACE_CELL_CHAR } from '../../Buffer';\nimport { IBufferLine, ITerminalOptions } from '../../Types';\nimport { INVERTED_DEFAULT_COLOR } from '../atlas/Types';\nimport { CellData, AttributeData } from '../../BufferLine';\n\nexport const BOLD_CLASS = 'xterm-bold';\nexport const DIM_CLASS = 'xterm-dim';\nexport const ITALIC_CLASS = 'xterm-italic';\nexport const UNDERLINE_CLASS = 'xterm-underline';\nexport const CURSOR_CLASS = 'xterm-cursor';\nexport const CURSOR_BLINK_CLASS = 'xterm-cursor-blink';\nexport const CURSOR_STYLE_BLOCK_CLASS = 'xterm-cursor-block';\nexport const CURSOR_STYLE_BAR_CLASS = 'xterm-cursor-bar';\nexport const CURSOR_STYLE_UNDERLINE_CLASS = 'xterm-cursor-underline';\n\nexport class DomRendererRowFactory {\n private _workCell: CellData = new CellData();\n\n constructor(\n private _terminalOptions: ITerminalOptions,\n private _document: Document\n ) {\n }\n\n public createRow(lineData: IBufferLine, isCursorRow: boolean, cursorStyle: string | undefined, cursorX: number, cursorBlink: boolean, cellWidth: number, cols: number): DocumentFragment {\n const fragment = this._document.createDocumentFragment();\n\n // Find the line length first, this prevents the need to output a bunch of\n // empty cells at the end. This cannot easily be integrated into the main\n // loop below because of the colCount feature (which can be removed after we\n // properly support reflow and disallow data to go beyond the right-side of\n // the viewport).\n let lineLength = 0;\n for (let x = Math.min(lineData.length, cols) - 1; x >= 0; x--) {\n if (lineData.loadCell(x, this._workCell).getCode() !== NULL_CELL_CODE || (isCursorRow && x === cursorX)) {\n lineLength = x + 1;\n break;\n }\n }\n\n for (let x = 0; x < lineLength; x++) {\n lineData.loadCell(x, this._workCell);\n const width = this._workCell.getWidth();\n\n // The character to the left is a wide character, drawing is owned by the char at x-1\n if (width === 0) {\n continue;\n }\n\n const charElement = this._document.createElement('span');\n if (width > 1) {\n charElement.style.width = `${cellWidth * width}px`;\n }\n\n if (isCursorRow && x === cursorX) {\n charElement.classList.add(CURSOR_CLASS);\n\n if (cursorBlink) {\n charElement.classList.add(CURSOR_BLINK_CLASS);\n }\n\n switch (cursorStyle) {\n case 'bar':\n charElement.classList.add(CURSOR_STYLE_BAR_CLASS);\n break;\n case 'underline':\n charElement.classList.add(CURSOR_STYLE_UNDERLINE_CLASS);\n break;\n default:\n charElement.classList.add(CURSOR_STYLE_BLOCK_CLASS);\n break;\n }\n }\n\n if (this._workCell.isBold() && this._terminalOptions.enableBold) {\n charElement.classList.add(BOLD_CLASS);\n }\n\n if (this._workCell.isItalic()) {\n charElement.classList.add(ITALIC_CLASS);\n }\n\n if (this._workCell.isDim()) {\n charElement.classList.add(DIM_CLASS);\n }\n\n if (this._workCell.isUnderline()) {\n charElement.classList.add(UNDERLINE_CLASS);\n }\n\n charElement.textContent = this._workCell.getChars() || WHITESPACE_CELL_CHAR;\n\n const swapColor = this._workCell.isInverse();\n\n // fg\n if (this._workCell.isFgRGB()) {\n let style = charElement.getAttribute('style') || '';\n style += `${swapColor ? 'background-' : ''}color:rgb(${(AttributeData.toColorRGB(this._workCell.getFgColor())).join(',')});`;\n charElement.setAttribute('style', style);\n } else if (this._workCell.isFgPalette()) {\n let fg = this._workCell.getFgColor();\n if (this._workCell.isBold() && fg < 8 && !swapColor &&\n this._terminalOptions.enableBold && this._terminalOptions.drawBoldTextInBrightColors) {\n fg += 8;\n }\n charElement.classList.add(`xterm-${swapColor ? 'b' : 'f'}g-${fg}`);\n } else if (swapColor) {\n charElement.classList.add(`xterm-bg-${INVERTED_DEFAULT_COLOR}`);\n }\n\n // bg\n if (this._workCell.isBgRGB()) {\n let style = charElement.getAttribute('style') || '';\n style += `${swapColor ? '' : 'background-'}color:rgb(${(AttributeData.toColorRGB(this._workCell.getBgColor())).join(',')});`;\n charElement.setAttribute('style', style);\n } else if (this._workCell.isBgPalette()) {\n charElement.classList.add(`xterm-${swapColor ? 'f' : 'b'}g-${this._workCell.getBgColor()}`);\n } else if (swapColor) {\n charElement.classList.add(`xterm-fg-${INVERTED_DEFAULT_COLOR}`);\n }\n\n fragment.appendChild(charElement);\n }\n return fragment;\n }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IRenderer, IRenderDimensions, IColorSet } from '../Types';\nimport { ILinkifierEvent, ITerminal, CharacterJoinerHandler } from '../../Types';\nimport { ITheme } from 'xterm';\nimport { ColorManager } from '../ColorManager';\nimport { RenderDebouncer } from '../../ui/RenderDebouncer';\nimport { BOLD_CLASS, ITALIC_CLASS, CURSOR_CLASS, CURSOR_STYLE_BLOCK_CLASS, CURSOR_BLINK_CLASS, CURSOR_STYLE_BAR_CLASS, CURSOR_STYLE_UNDERLINE_CLASS, DomRendererRowFactory } from './DomRendererRowFactory';\nimport { INVERTED_DEFAULT_COLOR } from '../atlas/Types';\nimport { EventEmitter2, IEvent } from '../../common/EventEmitter2';\nimport { Disposable } from '../../common/Lifecycle';\n\nconst TERMINAL_CLASS_PREFIX = 'xterm-dom-renderer-owner-';\nconst ROW_CONTAINER_CLASS = 'xterm-rows';\nconst FG_CLASS_PREFIX = 'xterm-fg-';\nconst BG_CLASS_PREFIX = 'xterm-bg-';\nconst FOCUS_CLASS = 'xterm-focus';\nconst SELECTION_CLASS = 'xterm-selection';\n\nlet nextTerminalId = 1;\n\n// TODO: Pull into an addon when TS composite projects allow easier sharing of code (not just\n// interfaces) between core and addons\n\n/**\n * A fallback renderer for when canvas is slow. This is not meant to be\n * particularly fast or feature complete, more just stable and usable for when\n * canvas is not an option.\n */\nexport class DomRenderer extends Disposable implements IRenderer {\n private _renderDebouncer: RenderDebouncer;\n private _rowFactory: DomRendererRowFactory;\n private _terminalClass: number = nextTerminalId++;\n\n private _themeStyleElement: HTMLStyleElement;\n private _dimensionsStyleElement: HTMLStyleElement;\n private _rowContainer: HTMLElement;\n private _rowElements: HTMLElement[] = [];\n private _selectionContainer: HTMLElement;\n\n public dimensions: IRenderDimensions;\n public colorManager: ColorManager;\n\n private _onCanvasResize = new EventEmitter2<{ width: number, height: number }>();\n public get onCanvasResize(): IEvent<{ width: number, height: number }> { return this._onCanvasResize.event; }\n private _onRender = new EventEmitter2<{ start: number, end: number }>();\n public get onRender(): IEvent<{ start: number, end: number }> { return this._onRender.event; }\n\n constructor(private _terminal: ITerminal, theme: ITheme | undefined) {\n super();\n const allowTransparency = this._terminal.options.allowTransparency;\n this.colorManager = new ColorManager(document, allowTransparency);\n this.setTheme(theme);\n\n this._rowContainer = document.createElement('div');\n this._rowContainer.classList.add(ROW_CONTAINER_CLASS);\n this._rowContainer.style.lineHeight = 'normal';\n this._rowContainer.setAttribute('aria-hidden', 'true');\n this._refreshRowElements(this._terminal.cols, this._terminal.rows);\n this._selectionContainer = document.createElement('div');\n this._selectionContainer.classList.add(SELECTION_CLASS);\n this._selectionContainer.setAttribute('aria-hidden', 'true');\n\n this.dimensions = {\n scaledCharWidth: null,\n scaledCharHeight: null,\n scaledCellWidth: null,\n scaledCellHeight: null,\n scaledCharLeft: null,\n scaledCharTop: null,\n scaledCanvasWidth: null,\n scaledCanvasHeight: null,\n canvasWidth: null,\n canvasHeight: null,\n actualCellWidth: null,\n actualCellHeight: null\n };\n this._updateDimensions();\n\n this._renderDebouncer = new RenderDebouncer(this._renderRows.bind(this));\n this._rowFactory = new DomRendererRowFactory(_terminal.options, document);\n\n this._terminal.element.classList.add(TERMINAL_CLASS_PREFIX + this._terminalClass);\n this._terminal.screenElement.appendChild(this._rowContainer);\n this._terminal.screenElement.appendChild(this._selectionContainer);\n\n this._terminal.linkifier.onLinkHover(e => this._onLinkHover(e));\n this._terminal.linkifier.onLinkLeave(e => this._onLinkLeave(e));\n }\n\n public dispose(): void {\n this._terminal.element.classList.remove(TERMINAL_CLASS_PREFIX + this._terminalClass);\n this._terminal.screenElement.removeChild(this._rowContainer);\n this._terminal.screenElement.removeChild(this._selectionContainer);\n this._terminal.screenElement.removeChild(this._themeStyleElement);\n this._terminal.screenElement.removeChild(this._dimensionsStyleElement);\n super.dispose();\n }\n\n private _updateDimensions(): void {\n this.dimensions.scaledCharWidth = Math.floor(this._terminal.charMeasure.width * window.devicePixelRatio);\n this.dimensions.scaledCharHeight = Math.ceil(this._terminal.charMeasure.height * window.devicePixelRatio);\n this.dimensions.scaledCellWidth = this.dimensions.scaledCharWidth + Math.round(this._terminal.options.letterSpacing);\n this.dimensions.scaledCellHeight = Math.floor(this.dimensions.scaledCharHeight * this._terminal.options.lineHeight);\n this.dimensions.scaledCharLeft = 0;\n this.dimensions.scaledCharTop = 0;\n this.dimensions.scaledCanvasWidth = this.dimensions.scaledCellWidth * this._terminal.cols;\n this.dimensions.scaledCanvasHeight = this.dimensions.scaledCellHeight * this._terminal.rows;\n this.dimensions.canvasWidth = Math.round(this.dimensions.scaledCanvasWidth / window.devicePixelRatio);\n this.dimensions.canvasHeight = Math.round(this.dimensions.scaledCanvasHeight / window.devicePixelRatio);\n this.dimensions.actualCellWidth = this.dimensions.canvasWidth / this._terminal.cols;\n this.dimensions.actualCellHeight = this.dimensions.canvasHeight / this._terminal.rows;\n\n this._rowElements.forEach(element => {\n element.style.width = `${this.dimensions.canvasWidth}px`;\n element.style.height = `${this.dimensions.actualCellHeight}px`;\n element.style.lineHeight = `${this.dimensions.actualCellHeight}px`;\n // Make sure rows don't overflow onto following row\n element.style.overflow = 'hidden';\n });\n\n if (!this._dimensionsStyleElement) {\n this._dimensionsStyleElement = document.createElement('style');\n this._terminal.screenElement.appendChild(this._dimensionsStyleElement);\n }\n\n const styles =\n `${this._terminalSelector} .${ROW_CONTAINER_CLASS} span {` +\n ` display: inline-block;` +\n ` height: 100%;` +\n ` vertical-align: top;` +\n ` width: ${this.dimensions.actualCellWidth}px` +\n `}`;\n\n this._dimensionsStyleElement.innerHTML = styles;\n\n this._selectionContainer.style.height = (<any>this._terminal)._viewportElement.style.height;\n this._terminal.screenElement.style.width = `${this.dimensions.canvasWidth}px`;\n this._terminal.screenElement.style.height = `${this.dimensions.canvasHeight}px`;\n }\n\n public setTheme(theme: ITheme | undefined): IColorSet {\n if (theme) {\n this.colorManager.setTheme(theme);\n }\n\n if (!this._themeStyleElement) {\n this._themeStyleElement = document.createElement('style');\n this._terminal.screenElement.appendChild(this._themeStyleElement);\n }\n\n // Base CSS\n let styles =\n `${this._terminalSelector} .${ROW_CONTAINER_CLASS} {` +\n ` color: ${this.colorManager.colors.foreground.css};` +\n ` background-color: ${this.colorManager.colors.background.css};` +\n ` font-family: ${this._terminal.getOption('fontFamily')};` +\n ` font-size: ${this._terminal.getOption('fontSize')}px;` +\n `}`;\n // Text styles\n styles +=\n `${this._terminalSelector} span:not(.${BOLD_CLASS}) {` +\n ` font-weight: ${this._terminal.options.fontWeight};` +\n `}` +\n `${this._terminalSelector} span.${BOLD_CLASS} {` +\n ` font-weight: ${this._terminal.options.fontWeightBold};` +\n `}` +\n `${this._terminalSelector} span.${ITALIC_CLASS} {` +\n ` font-style: italic;` +\n `}`;\n // Blink animation\n styles +=\n `@keyframes blink {` +\n ` 0% { opacity: 1.0; }` +\n ` 50% { opacity: 0.0; }` +\n ` 100% { opacity: 1.0; }` +\n `}`;\n // Cursor\n styles +=\n `${this._terminalSelector} .${ROW_CONTAINER_CLASS}:not(.${FOCUS_CLASS}) .${CURSOR_CLASS} {` +\n ` outline: 1px solid ${this.colorManager.colors.cursor.css};` +\n ` outline-offset: -1px;` +\n `}` +\n `${this._terminalSelector} .${ROW_CONTAINER_CLASS}.${FOCUS_CLASS} .${CURSOR_CLASS}.${CURSOR_BLINK_CLASS} {` +\n ` animation: blink 1s step-end infinite;` +\n `}` +\n `${this._terminalSelector} .${ROW_CONTAINER_CLASS}.${FOCUS_CLASS} .${CURSOR_CLASS}.${CURSOR_STYLE_BLOCK_CLASS} {` +\n ` background-color: ${this.colorManager.colors.cursor.css};` +\n ` color: ${this.colorManager.colors.cursorAccent.css};` +\n `}` +\n `${this._terminalSelector} .${ROW_CONTAINER_CLASS}.${FOCUS_CLASS} .${CURSOR_CLASS}.${CURSOR_STYLE_BAR_CLASS} {` +\n ` box-shadow: 1px 0 0 ${this.colorManager.colors.cursor.css} inset;` +\n `}` +\n `${this._terminalSelector} .${ROW_CONTAINER_CLASS}.${FOCUS_CLASS} .${CURSOR_CLASS}.${CURSOR_STYLE_UNDERLINE_CLASS} {` +\n ` box-shadow: 0 -1px 0 ${this.colorManager.colors.cursor.css} inset;` +\n `}`;\n // Selection\n styles +=\n `${this._terminalSelector} .${SELECTION_CLASS} {` +\n ` position: absolute;` +\n ` top: 0;` +\n ` left: 0;` +\n ` z-index: 1;` +\n ` pointer-events: none;` +\n `}` +\n `${this._terminalSelector} .${SELECTION_CLASS} div {` +\n ` position: absolute;` +\n ` background-color: ${this.colorManager.colors.selection.css};` +\n `}`;\n // Colors\n this.colorManager.colors.ansi.forEach((c, i) => {\n styles +=\n `${this._terminalSelector} .${FG_CLASS_PREFIX}${i} { color: ${c.css}; }` +\n `${this._terminalSelector} .${BG_CLASS_PREFIX}${i} { background-color: ${c.css}; }`;\n });\n styles +=\n `${this._terminalSelector} .${FG_CLASS_PREFIX}${INVERTED_DEFAULT_COLOR} { color: ${this.colorManager.colors.background.css}; }` +\n `${this._terminalSelector} .${BG_CLASS_PREFIX}${INVERTED_DEFAULT_COLOR} { background-color: ${this.colorManager.colors.foreground.css}; }`;\n\n this._themeStyleElement.innerHTML = styles;\n return this.colorManager.colors;\n }\n\n public onWindowResize(devicePixelRatio: number): void {\n this._updateDimensions();\n }\n\n private _refreshRowElements(cols: number, rows: number): void {\n // Add missing elements\n for (let i = this._rowElements.length; i <= rows; i++) {\n const row = document.createElement('div');\n this._rowContainer.appendChild(row);\n this._rowElements.push(row);\n }\n // Remove excess elements\n while (this._rowElements.length > rows) {\n this._rowContainer.removeChild(this._rowElements.pop());\n }\n }\n\n public onResize(cols: number, rows: number): void {\n this._refreshRowElements(cols, rows);\n this._updateDimensions();\n this._onCanvasResize.fire({\n width: this.dimensions.canvasWidth,\n height: this.dimensions.canvasHeight\n });\n }\n\n public onCharSizeChanged(): void {\n this._updateDimensions();\n }\n\n public onBlur(): void {\n this._rowContainer.classList.remove(FOCUS_CLASS);\n }\n\n public onFocus(): void {\n this._rowContainer.classList.add(FOCUS_CLASS);\n }\n\n public onSelectionChanged(start: [number, number], end: [number, number], columnSelectMode: boolean): void {\n // Remove all selections\n while (this._selectionContainer.children.length) {\n this._selectionContainer.removeChild(this._selectionContainer.children[0]);\n }\n\n // Selection does not exist\n if (!start || !end) {\n return;\n }\n\n // Translate from buffer position to viewport position\n const viewportStartRow = start[1] - this._terminal.buffer.ydisp;\n const viewportEndRow = end[1] - this._terminal.buffer.ydisp;\n const viewportCappedStartRow = Math.max(viewportStartRow, 0);\n const viewportCappedEndRow = Math.min(viewportEndRow, this._terminal.rows - 1);\n\n // No need to draw the selection\n if (viewportCappedStartRow >= this._terminal.rows || viewportCappedEndRow < 0) {\n return;\n }\n\n // Create the selections\n const documentFragment = document.createDocumentFragment();\n\n if (columnSelectMode) {\n documentFragment.appendChild(\n this._createSelectionElement(viewportCappedStartRow, start[0], end[0], viewportCappedEndRow - viewportCappedStartRow + 1)\n );\n } else {\n // Draw first row\n const startCol = viewportStartRow === viewportCappedStartRow ? start[0] : 0;\n const endCol = viewportCappedStartRow === viewportCappedEndRow ? end[0] : this._terminal.cols;\n documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow, startCol, endCol));\n // Draw middle rows\n const middleRowsCount = viewportCappedEndRow - viewportCappedStartRow - 1;\n documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow + 1, 0, this._terminal.cols, middleRowsCount));\n // Draw final row\n if (viewportCappedStartRow !== viewportCappedEndRow) {\n // Only draw viewportEndRow if it's not the same as viewporttartRow\n const endCol = viewportEndRow === viewportCappedEndRow ? end[0] : this._terminal.cols;\n documentFragment.appendChild(this._createSelectionElement(viewportCappedEndRow, 0, endCol));\n }\n }\n this._selectionContainer.appendChild(documentFragment);\n }\n\n /**\n * Creates a selection element at the specified position.\n * @param row The row of the selection.\n * @param colStart The start column.\n * @param colEnd The end columns.\n */\n private _createSelectionElement(row: number, colStart: number, colEnd: number, rowCount: number = 1): HTMLElement {\n const element = document.createElement('div');\n element.style.height = `${rowCount * this.dimensions.actualCellHeight}px`;\n element.style.top = `${row * this.dimensions.actualCellHeight}px`;\n element.style.left = `${colStart * this.dimensions.actualCellWidth}px`;\n element.style.width = `${this.dimensions.actualCellWidth * (colEnd - colStart)}px`;\n return element;\n }\n\n public onCursorMove(): void {\n // No-op, the cursor is drawn when rows are drawn\n }\n\n public onOptionsChanged(): void {\n // Force a refresh\n this._updateDimensions();\n this.setTheme(undefined);\n this._terminal.refresh(0, this._terminal.rows - 1);\n }\n\n public clear(): void {\n this._rowElements.forEach(e => e.innerHTML = '');\n }\n\n public refreshRows(start: number, end: number): void {\n this._renderDebouncer.refresh(start, end, this._terminal.rows);\n }\n\n private _renderRows(start: number, end: number): void {\n const terminal = this._terminal;\n\n const cursorAbsoluteY = terminal.buffer.ybase + terminal.buffer.y;\n const cursorX = this._terminal.buffer.x;\n const cursorBlink = this._terminal.options.cursorBlink;\n\n for (let y = start; y <= end; y++) {\n const rowElement = this._rowElements[y];\n rowElement.innerHTML = '';\n\n const row = y + terminal.buffer.ydisp;\n const lineData = terminal.buffer.lines.get(row);\n const cursorStyle = terminal.options.cursorStyle;\n rowElement.appendChild(this._rowFactory.createRow(lineData, row === cursorAbsoluteY, cursorStyle, cursorX, cursorBlink, this.dimensions.actualCellWidth, terminal.cols));\n }\n\n this._onRender.fire({ start, end });\n }\n\n private get _terminalSelector(): string {\n return `.${TERMINAL_CLASS_PREFIX}${this._terminalClass}`;\n }\n\n public registerCharacterJoiner(handler: CharacterJoinerHandler): number { return -1; }\n public deregisterCharacterJoiner(joinerId: number): boolean { return false; }\n\n private _onLinkHover(e: ILinkifierEvent): void {\n this._setCellUnderline(e.x1, e.x2, e.y1, e.y2, e.cols, true);\n }\n\n private _onLinkLeave(e: ILinkifierEvent): void {\n this._setCellUnderline(e.x1, e.x2, e.y1, e.y2, e.cols, false);\n }\n\n private _setCellUnderline(x: number, x2: number, y: number, y2: number, cols: number, enabled: boolean): void {\n while (x !== x2 || y !== y2) {\n const row = this._rowElements[y];\n if (!row) {\n return;\n }\n const span = <HTMLElement>row.children[x];\n if (span) {\n span.style.textDecoration = enabled ? 'underline' : 'none';\n }\n if (++x >= cols) {\n x = 0;\n y++;\n }\n }\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { FontWeight } from 'xterm';\nimport { IColorSet } from '../Types';\n\nexport const DEFAULT_COLOR = 256;\nexport const INVERTED_DEFAULT_COLOR = 257;\nexport const DIM_OPACITY = 0.5;\n\nexport const CHAR_ATLAS_CELL_SPACING = 1;\n\nexport interface IGlyphIdentifier {\n chars: string;\n code: number;\n bg: number;\n fg: number;\n bold: boolean;\n dim: boolean;\n italic: boolean;\n}\n\nexport interface ICharAtlasConfig {\n type: 'none' | 'static' | 'dynamic';\n devicePixelRatio: number;\n fontSize: number;\n fontFamily: string;\n fontWeight: FontWeight;\n fontWeightBold: FontWeight;\n scaledCharWidth: number;\n scaledCharHeight: number;\n allowTransparency: boolean;\n colors: IColorSet;\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { DIM_OPACITY, IGlyphIdentifier, DEFAULT_COLOR, ICharAtlasConfig, CHAR_ATLAS_CELL_SPACING } from './Types';\nimport { generateStaticCharAtlasTexture } from './CharAtlasGenerator';\nimport BaseCharAtlas from './BaseCharAtlas';\nimport { is256Color } from './CharAtlasUtils';\n\nexport default class StaticCharAtlas extends BaseCharAtlas {\n private _texture: HTMLCanvasElement | ImageBitmap;\n\n constructor(private _document: Document, private _config: ICharAtlasConfig) {\n super();\n }\n\n private _canvasFactory = (width: number, height: number) => {\n const canvas = this._document.createElement('canvas');\n canvas.width = width;\n canvas.height = height;\n\n // This is useful for debugging\n // document.body.appendChild(canvas);\n\n return canvas;\n }\n\n protected _doWarmUp(): void {\n const result = generateStaticCharAtlasTexture(window, this._canvasFactory, this._config);\n if (result instanceof HTMLCanvasElement) {\n this._texture = result;\n } else {\n result.then(texture => {\n this._texture = texture;\n });\n }\n }\n\n private _isCached(glyph: IGlyphIdentifier, colorIndex: number): boolean {\n const isAscii = glyph.code < 256;\n // A color is basic if it is one of the 4 bit ANSI colors.\n const isBasicColor = glyph.fg < 16;\n const isDefaultColor = glyph.fg === DEFAULT_COLOR;\n const isDefaultBackground = glyph.bg === DEFAULT_COLOR;\n return isAscii && (isBasicColor || isDefaultColor) && isDefaultBackground && !glyph.italic;\n }\n\n public draw(\n ctx: CanvasRenderingContext2D,\n glyph: IGlyphIdentifier,\n x: number,\n y: number\n ): boolean {\n // we're not warmed up yet\n if (this._texture === null || this._texture === undefined) {\n return false;\n }\n\n let colorIndex = 0;\n if (is256Color(glyph.fg)) {\n colorIndex = 2 + glyph.fg + (glyph.bold ? 16 : 0);\n } else if (glyph.fg === DEFAULT_COLOR) {\n // If default color and bold\n if (glyph.bold) {\n colorIndex = 1;\n }\n }\n if (!this._isCached(glyph, colorIndex)) {\n return false;\n }\n\n ctx.save();\n\n // ImageBitmap's draw about twice as fast as from a canvas\n const charAtlasCellWidth = this._config.scaledCharWidth + CHAR_ATLAS_CELL_SPACING;\n const charAtlasCellHeight = this._config.scaledCharHeight + CHAR_ATLAS_CELL_SPACING;\n\n // Apply alpha to dim the character\n if (glyph.dim) {\n ctx.globalAlpha = DIM_OPACITY;\n }\n\n ctx.drawImage(\n this._texture,\n glyph.code * charAtlasCellWidth,\n colorIndex * charAtlasCellHeight,\n charAtlasCellWidth,\n this._config.scaledCharHeight,\n x,\n y,\n charAtlasCellWidth,\n this._config.scaledCharHeight\n );\n\n ctx.restore();\n\n return true;\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n *\n * A dummy CharAtlas implementation that always fails to draw characters.\n */\n\nimport { IGlyphIdentifier, ICharAtlasConfig } from './Types';\nimport BaseCharAtlas from './BaseCharAtlas';\n\nexport default class NoneCharAtlas extends BaseCharAtlas {\n constructor(document: Document, config: ICharAtlasConfig) {\n super();\n }\n\n public draw(\n ctx: CanvasRenderingContext2D,\n glyph: IGlyphIdentifier,\n x: number,\n y: number\n ): boolean {\n return false;\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\ninterface ILinkedListNode<T> {\n prev: ILinkedListNode<T>;\n next: ILinkedListNode<T>;\n key: number;\n value: T;\n}\n\nexport default class LRUMap<T> {\n private _map: { [key: number]: ILinkedListNode<T> } = {};\n private _head: ILinkedListNode<T> = null;\n private _tail: ILinkedListNode<T> = null;\n private _nodePool: ILinkedListNode<T>[] = [];\n public size: number = 0;\n\n constructor(public capacity: number) { }\n\n private _unlinkNode(node: ILinkedListNode<T>): void {\n const prev = node.prev;\n const next = node.next;\n if (node === this._head) {\n this._head = next;\n }\n if (node === this._tail) {\n this._tail = prev;\n }\n if (prev !== null) {\n prev.next = next;\n }\n if (next !== null) {\n next.prev = prev;\n }\n }\n\n private _appendNode(node: ILinkedListNode<T>): void {\n const tail = this._tail;\n if (tail !== null) {\n tail.next = node;\n }\n node.prev = tail;\n node.next = null;\n this._tail = node;\n if (this._head === null) {\n this._head = node;\n }\n }\n\n /**\n * Preallocate a bunch of linked-list nodes. Allocating these nodes ahead of time means that\n * they're more likely to live next to each other in memory, which seems to improve performance.\n *\n * Each empty object only consumes about 60 bytes of memory, so this is pretty cheap, even for\n * large maps.\n */\n public prealloc(count: number): void {\n const nodePool = this._nodePool;\n for (let i = 0; i < count; i++) {\n nodePool.push({\n prev: null,\n next: null,\n key: null,\n value: null\n });\n }\n }\n\n public get(key: number): T | null {\n // This is unsafe: We're assuming our keyspace doesn't overlap with Object.prototype. However,\n // it's faster than calling hasOwnProperty, and in our case, it would never overlap.\n const node = this._map[key];\n if (node !== undefined) {\n this._unlinkNode(node);\n this._appendNode(node);\n return node.value;\n }\n return null;\n }\n\n /**\n * Gets a value from a key without marking it as the most recently used item.\n */\n public peekValue(key: number): T | null {\n const node = this._map[key];\n if (node !== undefined) {\n return node.value;\n }\n return null;\n }\n\n public peek(): T | null {\n const head = this._head;\n return head === null ? null : head.value;\n }\n\n public set(key: number, value: T): void {\n // This is unsafe: See note above.\n let node = this._map[key];\n if (node !== undefined) {\n // already exists, we just need to mutate it and move it to the end of the list\n node = this._map[key];\n this._unlinkNode(node);\n node.value = value;\n } else if (this.size >= this.capacity) {\n // we're out of space: recycle the head node, move it to the tail\n node = this._head;\n this._unlinkNode(node);\n delete this._map[node.key];\n node.key = key;\n node.value = value;\n this._map[key] = node;\n } else {\n // make a new element\n const nodePool = this._nodePool;\n if (nodePool.length > 0) {\n // use a preallocated node if we can\n node = nodePool.pop();\n node.key = key;\n node.value = value;\n } else {\n node = {\n prev: null,\n next: null,\n key,\n value\n };\n }\n this._map[key] = node;\n this.size++;\n }\n this._appendNode(node);\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { DIM_OPACITY, IGlyphIdentifier, INVERTED_DEFAULT_COLOR, ICharAtlasConfig } from './Types';\nimport BaseCharAtlas from './BaseCharAtlas';\nimport { DEFAULT_ANSI_COLORS } from '../ColorManager';\nimport { clearColor } from './CharAtlasGenerator';\nimport LRUMap from './LRUMap';\nimport { isFirefox, isSafari } from '../../common/Platform';\nimport { IColor } from '../Types';\n\n// In practice we're probably never going to exhaust a texture this large. For debugging purposes,\n// however, it can be useful to set this to a really tiny value, to verify that LRU eviction works.\nconst TEXTURE_WIDTH = 1024;\nconst TEXTURE_HEIGHT = 1024;\n\nconst TRANSPARENT_COLOR = {\n css: 'rgba(0, 0, 0, 0)',\n rgba: 0\n};\n\n// Drawing to the cache is expensive: If we have to draw more than this number of glyphs to the\n// cache in a single frame, give up on trying to cache anything else, and try to finish the current\n// frame ASAP.\n//\n// This helps to limit the amount of damage a program can do when it would otherwise thrash the\n// cache.\nconst FRAME_CACHE_DRAW_LIMIT = 100;\n\n/**\n * The number of milliseconds to wait before generating the ImageBitmap, this is to debounce/batch\n * the operation as window.createImageBitmap is asynchronous.\n */\nconst GLYPH_BITMAP_COMMIT_DELAY = 100;\n\ninterface IGlyphCacheValue {\n index: number;\n isEmpty: boolean;\n inBitmap: boolean;\n}\n\nexport function getGlyphCacheKey(glyph: IGlyphIdentifier): number {\n // Note that this only returns a valid key when code < 256\n // Layout:\n // 0b00000000000000000000000000000001: italic (1)\n // 0b00000000000000000000000000000010: dim (1)\n // 0b00000000000000000000000000000100: bold (1)\n // 0b00000000000000000000111111111000: fg (9)\n // 0b00000000000111111111000000000000: bg (9)\n // 0b00011111111000000000000000000000: code (8)\n // 0b11100000000000000000000000000000: unused (3)\n return glyph.code << 21 | glyph.bg << 12 | glyph.fg << 3 | (glyph.bold ? 0 : 4) + (glyph.dim ? 0 : 2) + (glyph.italic ? 0 : 1);\n}\n\nexport default class DynamicCharAtlas extends BaseCharAtlas {\n // An ordered map that we're using to keep track of where each glyph is in the atlas texture.\n // It's ordered so that we can determine when to remove the old entries.\n private _cacheMap: LRUMap<IGlyphCacheValue>;\n\n // The texture that the atlas is drawn to\n private _cacheCanvas: HTMLCanvasElement;\n private _cacheCtx: CanvasRenderingContext2D;\n\n // A temporary context that glyphs are drawn to before being transfered to the atlas.\n private _tmpCtx: CanvasRenderingContext2D;\n\n // The number of characters stored in the atlas by width/height\n private _width: number;\n private _height: number;\n\n private _drawToCacheCount: number = 0;\n\n // An array of glyph keys that are waiting on the bitmap to be generated.\n private _glyphsWaitingOnBitmap: IGlyphCacheValue[] = [];\n\n // The timeout that is used to batch bitmap generation so it's not requested for every new glyph.\n private _bitmapCommitTimeout: number | null = null;\n\n // The bitmap to draw from, this is much faster on other browsers than others.\n private _bitmap: ImageBitmap | null = null;\n\n constructor(document: Document, private _config: ICharAtlasConfig) {\n super();\n this._cacheCanvas = document.createElement('canvas');\n this._cacheCanvas.width = TEXTURE_WIDTH;\n this._cacheCanvas.height = TEXTURE_HEIGHT;\n // The canvas needs alpha because we use clearColor to convert the background color to alpha.\n // It might also contain some characters with transparent backgrounds if allowTransparency is\n // set.\n this._cacheCtx = this._cacheCanvas.getContext('2d', {alpha: true});\n\n const tmpCanvas = document.createElement('canvas');\n tmpCanvas.width = this._config.scaledCharWidth;\n tmpCanvas.height = this._config.scaledCharHeight;\n this._tmpCtx = tmpCanvas.getContext('2d', {alpha: this._config.allowTransparency});\n\n this._width = Math.floor(TEXTURE_WIDTH / this._config.scaledCharWidth);\n this._height = Math.floor(TEXTURE_HEIGHT / this._config.scaledCharHeight);\n const capacity = this._width * this._height;\n this._cacheMap = new LRUMap(capacity);\n this._cacheMap.prealloc(capacity);\n\n // This is useful for debugging\n // document.body.appendChild(this._cacheCanvas);\n }\n\n public dispose(): void {\n if (this._bitmapCommitTimeout !== null) {\n window.clearTimeout(this._bitmapCommitTimeout);\n this._bitmapCommitTimeout = null;\n }\n }\n\n public beginFrame(): void {\n this._drawToCacheCount = 0;\n }\n\n public draw(\n ctx: CanvasRenderingContext2D,\n glyph: IGlyphIdentifier,\n x: number,\n y: number\n ): boolean {\n // Space is always an empty cell, special case this as it's so common\n if (glyph.code === 32) {\n return true;\n }\n\n // Exit early for uncachable glyphs\n if (!this._canCache(glyph)) {\n return false;\n }\n\n const glyphKey = getGlyphCacheKey(glyph);\n const cacheValue = this._cacheMap.get(glyphKey);\n if (cacheValue !== null && cacheValue !== undefined) {\n this._drawFromCache(ctx, cacheValue, x, y);\n return true;\n } else if (this._drawToCacheCount < FRAME_CACHE_DRAW_LIMIT) {\n let index;\n if (this._cacheMap.size < this._cacheMap.capacity) {\n index = this._cacheMap.size;\n } else {\n // we're out of space, so our call to set will delete this item\n index = this._cacheMap.peek().index;\n }\n const cacheValue = this._drawToCache(glyph, index);\n this._cacheMap.set(glyphKey, cacheValue);\n this._drawFromCache(ctx, cacheValue, x, y);\n return true;\n }\n return false;\n }\n\n private _canCache(glyph: IGlyphIdentifier): boolean {\n // Only cache ascii and extended characters for now, to be safe. In the future, we could do\n // something more complicated to determine the expected width of a character.\n //\n // If we switch the renderer over to webgl at some point, we may be able to use blending modes\n // to draw overlapping glyphs from the atlas:\n // https://github.com/servo/webrender/issues/464#issuecomment-255632875\n // https://webglfundamentals.org/webgl/lessons/webgl-text-texture.html\n return glyph.code < 256;\n }\n\n private _toCoordinateX(index: number): number {\n return (index % this._width) * this._config.scaledCharWidth;\n }\n\n private _toCoordinateY(index: number): number {\n return Math.floor(index / this._width) * this._config.scaledCharHeight;\n }\n\n private _drawFromCache(\n ctx: CanvasRenderingContext2D,\n cacheValue: IGlyphCacheValue,\n x: number,\n y: number\n ): void {\n // We don't actually need to do anything if this is whitespace.\n if (cacheValue.isEmpty) {\n return;\n }\n const cacheX = this._toCoordinateX(cacheValue.index);\n const cacheY = this._toCoordinateY(cacheValue.index);\n ctx.drawImage(\n cacheValue.inBitmap ? this._bitmap : this._cacheCanvas,\n cacheX,\n cacheY,\n this._config.scaledCharWidth,\n this._config.scaledCharHeight,\n x,\n y,\n this._config.scaledCharWidth,\n this._config.scaledCharHeight\n );\n }\n\n private _getColorFromAnsiIndex(idx: number): IColor {\n if (idx < this._config.colors.ansi.length) {\n return this._config.colors.ansi[idx];\n }\n return DEFAULT_ANSI_COLORS[idx];\n }\n\n private _getBackgroundColor(glyph: IGlyphIdentifier): IColor {\n if (this._config.allowTransparency) {\n // The background color might have some transparency, so we need to render it as fully\n // transparent in the atlas. Otherwise we'd end up drawing the transparent background twice\n // around the anti-aliased edges of the glyph, and it would look too dark.\n return TRANSPARENT_COLOR;\n } else if (glyph.bg === INVERTED_DEFAULT_COLOR) {\n return this._config.colors.foreground;\n } else if (glyph.bg < 256) {\n return this._getColorFromAnsiIndex(glyph.bg);\n }\n return this._config.colors.background;\n }\n\n private _getForegroundColor(glyph: IGlyphIdentifier): IColor {\n if (glyph.fg === INVERTED_DEFAULT_COLOR) {\n return this._config.colors.background;\n } else if (glyph.fg < 256) {\n // 256 color support\n return this._getColorFromAnsiIndex(glyph.fg);\n }\n return this._config.colors.foreground;\n }\n\n // TODO: We do this (or something similar) in multiple places. We should split this off\n // into a shared function.\n private _drawToCache(glyph: IGlyphIdentifier, index: number): IGlyphCacheValue {\n this._drawToCacheCount++;\n\n this._tmpCtx.save();\n\n // draw the background\n const backgroundColor = this._getBackgroundColor(glyph);\n // Use a 'copy' composite operation to clear any existing glyph out of _tmpCtxWithAlpha, regardless of\n // transparency in backgroundColor\n this._tmpCtx.globalCompositeOperation = 'copy';\n this._tmpCtx.fillStyle = backgroundColor.css;\n this._tmpCtx.fillRect(0, 0, this._config.scaledCharWidth, this._config.scaledCharHeight);\n this._tmpCtx.globalCompositeOperation = 'source-over';\n\n // draw the foreground/glyph\n const fontWeight = glyph.bold ? this._config.fontWeightBold : this._config.fontWeight;\n const fontStyle = glyph.italic ? 'italic' : '';\n this._tmpCtx.font =\n `${fontStyle} ${fontWeight} ${this._config.fontSize * this._config.devicePixelRatio}px ${this._config.fontFamily}`;\n this._tmpCtx.textBaseline = 'middle';\n\n this._tmpCtx.fillStyle = this._getForegroundColor(glyph).css;\n\n // Apply alpha to dim the character\n if (glyph.dim) {\n this._tmpCtx.globalAlpha = DIM_OPACITY;\n }\n // Draw the character\n this._tmpCtx.fillText(glyph.chars, 0, this._config.scaledCharHeight / 2);\n this._tmpCtx.restore();\n\n // clear the background from the character to avoid issues with drawing over the previous\n // character if it extends past it's bounds\n const imageData = this._tmpCtx.getImageData(\n 0, 0, this._config.scaledCharWidth, this._config.scaledCharHeight\n );\n let isEmpty = false;\n if (!this._config.allowTransparency) {\n isEmpty = clearColor(imageData, backgroundColor);\n }\n\n // copy the data from imageData to _cacheCanvas\n const x = this._toCoordinateX(index);\n const y = this._toCoordinateY(index);\n // putImageData doesn't do any blending, so it will overwrite any existing cache entry for us\n this._cacheCtx.putImageData(imageData, x, y);\n\n // Add the glyph and queue it to the bitmap (if the browser supports it)\n const cacheValue = {\n index,\n isEmpty,\n inBitmap: false\n };\n this._addGlyphToBitmap(cacheValue);\n\n return cacheValue;\n }\n\n private _addGlyphToBitmap(cacheValue: IGlyphCacheValue): void {\n // Support is patchy for createImageBitmap at the moment, pass a canvas back\n // if support is lacking as drawImage works there too. Firefox is also\n // included here as ImageBitmap appears both buggy and has horrible\n // performance (tested on v55).\n if (!('createImageBitmap' in window) || isFirefox || isSafari) {\n return;\n }\n\n // Add the glyph to the queue\n this._glyphsWaitingOnBitmap.push(cacheValue);\n\n // Check if bitmap generation timeout already exists\n if (this._bitmapCommitTimeout !== null) {\n return;\n }\n\n this._bitmapCommitTimeout = window.setTimeout(() => this._generateBitmap(), GLYPH_BITMAP_COMMIT_DELAY);\n }\n\n private _generateBitmap(): void {\n const glyphsMovingToBitmap = this._glyphsWaitingOnBitmap;\n this._glyphsWaitingOnBitmap = [];\n window.createImageBitmap(this._cacheCanvas).then(bitmap => {\n // Set bitmap\n this._bitmap = bitmap;\n\n // Mark all new glyphs as in bitmap, excluding glyphs that came in after\n // the bitmap was requested\n for (let i = 0; i < glyphsMovingToBitmap.length; i++) {\n const value = glyphsMovingToBitmap[i];\n // It doesn't matter if the value was already evicted, it will be\n // released from memory after this block if so.\n value.inBitmap = true;\n }\n });\n this._bitmapCommitTimeout = null;\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ITerminal } from '../../Types';\nimport { IColorSet } from '../Types';\nimport { DEFAULT_COLOR, ICharAtlasConfig } from './Types';\n\nexport function generateConfig(scaledCharWidth: number, scaledCharHeight: number, terminal: ITerminal, colors: IColorSet): ICharAtlasConfig {\n // null out some fields that don't matter\n const clonedColors = <IColorSet>{\n foreground: colors.foreground,\n background: colors.background,\n cursor: null,\n cursorAccent: null,\n selection: null,\n // For the static char atlas, we only use the first 16 colors, but we need all 256 for the\n // dynamic character atlas.\n ansi: colors.ansi.slice(0, 16)\n };\n return {\n type: terminal.options.experimentalCharAtlas,\n devicePixelRatio: window.devicePixelRatio,\n scaledCharWidth,\n scaledCharHeight,\n fontFamily: terminal.options.fontFamily,\n fontSize: terminal.options.fontSize,\n fontWeight: terminal.options.fontWeight,\n fontWeightBold: terminal.options.fontWeightBold,\n allowTransparency: terminal.options.allowTransparency,\n colors: clonedColors\n };\n}\n\nexport function configEquals(a: ICharAtlasConfig, b: ICharAtlasConfig): boolean {\n for (let i = 0; i < a.colors.ansi.length; i++) {\n if (a.colors.ansi[i].rgba !== b.colors.ansi[i].rgba) {\n return false;\n }\n }\n return a.type === b.type &&\n a.devicePixelRatio === b.devicePixelRatio &&\n a.fontFamily === b.fontFamily &&\n a.fontSize === b.fontSize &&\n a.fontWeight === b.fontWeight &&\n a.fontWeightBold === b.fontWeightBold &&\n a.allowTransparency === b.allowTransparency &&\n a.scaledCharWidth === b.scaledCharWidth &&\n a.scaledCharHeight === b.scaledCharHeight &&\n a.colors.foreground === b.colors.foreground &&\n a.colors.background === b.colors.background;\n}\n\nexport function is256Color(colorCode: number): boolean {\n return colorCode < DEFAULT_COLOR;\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { FontWeight } from 'xterm';\nimport { isFirefox, isSafari } from '../../common/Platform';\nimport { IColor } from '../Types';\nimport { ICharAtlasConfig, CHAR_ATLAS_CELL_SPACING } from './Types';\n\n/**\n * Generates a char atlas.\n * @param context The window or worker context.\n * @param canvasFactory A function to generate a canvas with a width or height.\n * @param config The config for the new char atlas.\n */\nexport function generateStaticCharAtlasTexture(context: Window, canvasFactory: (width: number, height: number) => HTMLCanvasElement, config: ICharAtlasConfig): HTMLCanvasElement | Promise<ImageBitmap> {\n const cellWidth = config.scaledCharWidth + CHAR_ATLAS_CELL_SPACING;\n const cellHeight = config.scaledCharHeight + CHAR_ATLAS_CELL_SPACING;\n const canvas = canvasFactory(\n /*255 ascii chars*/255 * cellWidth,\n (/*default+default bold*/2 + /*0-15*/16 + /*0-15 bold*/16) * cellHeight\n );\n const ctx = canvas.getContext('2d', {alpha: config.allowTransparency});\n\n ctx.fillStyle = config.colors.background.css;\n ctx.fillRect(0, 0, canvas.width, canvas.height);\n\n ctx.save();\n ctx.fillStyle = config.colors.foreground.css;\n ctx.font = getFont(config.fontWeight, config);\n ctx.textBaseline = 'middle';\n\n // Default color\n for (let i = 0; i < 256; i++) {\n ctx.save();\n ctx.beginPath();\n ctx.rect(i * cellWidth, 0, cellWidth, cellHeight);\n ctx.clip();\n ctx.fillText(String.fromCharCode(i), i * cellWidth, cellHeight / 2);\n ctx.restore();\n }\n // Default color bold\n ctx.save();\n ctx.font = getFont(config.fontWeightBold, config);\n for (let i = 0; i < 256; i++) {\n ctx.save();\n ctx.beginPath();\n ctx.rect(i * cellWidth, cellHeight, cellWidth, cellHeight);\n ctx.clip();\n ctx.fillText(String.fromCharCode(i), i * cellWidth, cellHeight * 1.5);\n ctx.restore();\n }\n ctx.restore();\n\n // Colors 0-15\n ctx.font = getFont(config.fontWeight, config);\n for (let colorIndex = 0; colorIndex < 16; colorIndex++) {\n const y = (colorIndex + 2) * cellHeight;\n // Draw ascii characters\n for (let i = 0; i < 256; i++) {\n ctx.save();\n ctx.beginPath();\n ctx.rect(i * cellWidth, y, cellWidth, cellHeight);\n ctx.clip();\n ctx.fillStyle = config.colors.ansi[colorIndex].css;\n ctx.fillText(String.fromCharCode(i), i * cellWidth, y + cellHeight / 2);\n ctx.restore();\n }\n }\n\n // Colors 0-15 bold\n ctx.font = getFont(config.fontWeightBold, config);\n for (let colorIndex = 0; colorIndex < 16; colorIndex++) {\n const y = (colorIndex + 2 + 16) * cellHeight;\n // Draw ascii characters\n for (let i = 0; i < 256; i++) {\n ctx.save();\n ctx.beginPath();\n ctx.rect(i * cellWidth, y, cellWidth, cellHeight);\n ctx.clip();\n ctx.fillStyle = config.colors.ansi[colorIndex].css;\n ctx.fillText(String.fromCharCode(i), i * cellWidth, y + cellHeight / 2);\n ctx.restore();\n }\n }\n ctx.restore();\n\n // Support is patchy for createImageBitmap at the moment, pass a canvas back\n // if support is lacking as drawImage works there too. Firefox is also\n // included here as ImageBitmap appears both buggy and has horrible\n // performance (tested on v55).\n if (!('createImageBitmap' in context) || isFirefox || isSafari) {\n // Don't attempt to clear background colors if createImageBitmap is not supported\n return canvas;\n }\n\n const charAtlasImageData = ctx.getImageData(0, 0, canvas.width, canvas.height);\n\n // Remove the background color from the image so characters may overlap\n clearColor(charAtlasImageData, config.colors.background);\n\n return context.createImageBitmap(charAtlasImageData);\n}\n\n/**\n * Makes a partiicular rgb color in an ImageData completely transparent.\n * @returns True if the result is \"empty\", meaning all pixels are fully transparent.\n */\nexport function clearColor(imageData: ImageData, color: IColor): boolean {\n let isEmpty = true;\n const r = color.rgba >>> 24;\n const g = color.rgba >>> 16 & 0xFF;\n const b = color.rgba >>> 8 & 0xFF;\n for (let offset = 0; offset < imageData.data.length; offset += 4) {\n if (imageData.data[offset] === r &&\n imageData.data[offset + 1] === g &&\n imageData.data[offset + 2] === b) {\n imageData.data[offset + 3] = 0;\n } else {\n isEmpty = false;\n }\n }\n return isEmpty;\n}\n\nfunction getFont(fontWeight: FontWeight, config: ICharAtlasConfig): string {\n return `${fontWeight} ${config.fontSize * config.devicePixelRatio}px ${config.fontFamily}`;\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ITerminal } from '../../Types';\nimport { IColorSet } from '../Types';\nimport { generateConfig, configEquals } from './CharAtlasUtils';\nimport BaseCharAtlas from './BaseCharAtlas';\nimport DynamicCharAtlas from './DynamicCharAtlas';\nimport NoneCharAtlas from './NoneCharAtlas';\nimport StaticCharAtlas from './StaticCharAtlas';\nimport { ICharAtlasConfig } from './Types';\n\nconst charAtlasImplementations = {\n 'none': NoneCharAtlas,\n 'static': StaticCharAtlas,\n 'dynamic': DynamicCharAtlas\n};\n\ninterface ICharAtlasCacheEntry {\n atlas: BaseCharAtlas;\n config: ICharAtlasConfig;\n // N.B. This implementation potentially holds onto copies of the terminal forever, so\n // this may cause memory leaks.\n ownedBy: ITerminal[];\n}\n\nconst charAtlasCache: ICharAtlasCacheEntry[] = [];\n\n/**\n * Acquires a char atlas, either generating a new one or returning an existing\n * one that is in use by another terminal.\n * @param terminal The terminal.\n * @param colors The colors to use.\n */\nexport function acquireCharAtlas(\n terminal: ITerminal,\n colors: IColorSet,\n scaledCharWidth: number,\n scaledCharHeight: number\n): BaseCharAtlas {\n const newConfig = generateConfig(scaledCharWidth, scaledCharHeight, terminal, colors);\n\n // Check to see if the terminal already owns this config\n for (let i = 0; i < charAtlasCache.length; i++) {\n const entry = charAtlasCache[i];\n const ownedByIndex = entry.ownedBy.indexOf(terminal);\n if (ownedByIndex >= 0) {\n if (configEquals(entry.config, newConfig)) {\n return entry.atlas;\n }\n // The configs differ, release the terminal from the entry\n if (entry.ownedBy.length === 1) {\n entry.atlas.dispose();\n charAtlasCache.splice(i, 1);\n } else {\n entry.ownedBy.splice(ownedByIndex, 1);\n }\n break;\n }\n }\n\n // Try match a char atlas from the cache\n for (let i = 0; i < charAtlasCache.length; i++) {\n const entry = charAtlasCache[i];\n if (configEquals(entry.config, newConfig)) {\n // Add the terminal to the cache entry and return\n entry.ownedBy.push(terminal);\n return entry.atlas;\n }\n }\n\n const newEntry: ICharAtlasCacheEntry = {\n atlas: new charAtlasImplementations[terminal.options.experimentalCharAtlas](\n document,\n newConfig\n ),\n config: newConfig,\n ownedBy: [terminal]\n };\n charAtlasCache.push(newEntry);\n return newEntry.atlas;\n}\n\n/**\n * Removes a terminal reference from the cache, allowing its memory to be freed.\n * @param terminal The terminal to remove.\n */\nexport function removeTerminalFromCache(terminal: ITerminal): void {\n for (let i = 0; i < charAtlasCache.length; i++) {\n const index = charAtlasCache[i].ownedBy.indexOf(terminal);\n if (index !== -1) {\n if (charAtlasCache[i].ownedBy.length === 1) {\n // Remove the cache entry if it's the only terminal\n charAtlasCache[i].atlas.dispose();\n charAtlasCache.splice(i, 1);\n } else {\n // Remove the reference from the cache entry\n charAtlasCache[i].ownedBy.splice(index, 1);\n }\n break;\n }\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IGlyphIdentifier } from './Types';\nimport { IDisposable } from 'xterm';\n\nexport default abstract class BaseCharAtlas implements IDisposable {\n private _didWarmUp: boolean = false;\n\n public dispose(): void { }\n\n /**\n * Perform any work needed to warm the cache before it can be used. May be called multiple times.\n * Implement _doWarmUp instead if you only want to get called once.\n */\n public warmUp(): void {\n if (!this._didWarmUp) {\n this._doWarmUp();\n this._didWarmUp = true;\n }\n }\n\n /**\n * Perform any work needed to warm the cache before it can be used. Used by the default\n * implementation of warmUp(), and will only be called once.\n */\n protected _doWarmUp(): void { }\n\n /**\n * Called when we start drawing a new frame.\n *\n * TODO: We rely on this getting called by TextRenderLayer. This should really be called by\n * Renderer instead, but we need to make Renderer the source-of-truth for the char atlas, instead\n * of BaseRenderLayer.\n */\n public beginFrame(): void { }\n\n /**\n * May be called before warmUp finishes, however it is okay for the implementation to\n * do nothing and return false in that case.\n *\n * @param ctx Where to draw the character onto.\n * @param glyph Information about what to draw\n * @param x The position on the context to start drawing at\n * @param y The position on the context to start drawing at\n * @returns The success state. True if we drew the character.\n */\n public abstract draw(\n ctx: CanvasRenderingContext2D,\n glyph: IGlyphIdentifier,\n x: number,\n y: number\n ): boolean;\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { NULL_CELL_CODE } from '../Buffer';\nimport { IColorSet, IRenderDimensions, ICharacterJoinerRegistry } from './Types';\nimport { CharData, ITerminal, ICellData } from '../Types';\nimport { GridCache } from './GridCache';\nimport { BaseRenderLayer } from './BaseRenderLayer';\nimport { CellData, AttributeData, Content } from '../BufferLine';\nimport { JoinedCellData } from './CharacterJoinerRegistry';\n\n/**\n * This CharData looks like a null character, which will forc a clear and render\n * when the character changes (a regular space ' ' character may not as it's\n * drawn state is a cleared cell).\n */\n// const OVERLAP_OWNED_CHAR_DATA: CharData = [null, '', 0, -1];\n\nexport class TextRenderLayer extends BaseRenderLayer {\n private _state: GridCache<CharData>;\n private _characterWidth: number;\n private _characterFont: string;\n private _characterOverlapCache: { [key: string]: boolean } = {};\n private _characterJoinerRegistry: ICharacterJoinerRegistry;\n private _workCell = new CellData();\n\n constructor(container: HTMLElement, zIndex: number, colors: IColorSet, characterJoinerRegistry: ICharacterJoinerRegistry, alpha: boolean) {\n super(container, 'text', zIndex, alpha, colors);\n this._state = new GridCache<CharData>();\n this._characterJoinerRegistry = characterJoinerRegistry;\n }\n\n public resize(terminal: ITerminal, dim: IRenderDimensions): void {\n super.resize(terminal, dim);\n\n // Clear the character width cache if the font or width has changed\n const terminalFont = this._getFont(terminal, false, false);\n if (this._characterWidth !== dim.scaledCharWidth || this._characterFont !== terminalFont) {\n this._characterWidth = dim.scaledCharWidth;\n this._characterFont = terminalFont;\n this._characterOverlapCache = {};\n }\n // Resizing the canvas discards the contents of the canvas so clear state\n this._state.clear();\n this._state.resize(terminal.cols, terminal.rows);\n }\n\n public reset(terminal: ITerminal): void {\n this._state.clear();\n this.clearAll();\n }\n\n private _forEachCell(\n terminal: ITerminal,\n firstRow: number,\n lastRow: number,\n joinerRegistry: ICharacterJoinerRegistry | null,\n callback: (\n cell: ICellData,\n x: number,\n y: number\n ) => void\n ): void {\n for (let y = firstRow; y <= lastRow; y++) {\n const row = y + terminal.buffer.ydisp;\n const line = terminal.buffer.lines.get(row);\n const joinedRanges = joinerRegistry ? joinerRegistry.getJoinedCharacters(row) : [];\n for (let x = 0; x < terminal.cols; x++) {\n line.loadCell(x, this._workCell);\n let cell = this._workCell;\n\n // If true, indicates that the current character(s) to draw were joined.\n let isJoined = false;\n let lastCharX = x;\n\n // The character to the left is a wide character, drawing is owned by\n // the char at x-1\n if (cell.getWidth() === 0) {\n continue;\n }\n\n // Process any joined character ranges as needed. Because of how the\n // ranges are produced, we know that they are valid for the characters\n // and attributes of our input.\n if (joinedRanges.length > 0 && x === joinedRanges[0][0]) {\n isJoined = true;\n const range = joinedRanges.shift();\n\n // We already know the exact start and end column of the joined range,\n // so we get the string and width representing it directly\n\n cell = new JoinedCellData(\n this._workCell,\n line.translateToString(true, range[0], range[1]),\n range[1] - range[0]\n );\n\n // Skip over the cells occupied by this range in the loop\n lastCharX = range[1] - 1;\n }\n\n // If the character is an overlapping char and the character to the\n // right is a space, take ownership of the cell to the right. We skip\n // this check for joined characters because their rendering likely won't\n // yield the same result as rendering the last character individually.\n if (!isJoined && this._isOverlapping(cell)) {\n // If the character is overlapping, we want to force a re-render on every\n // frame. This is specifically to work around the case where two\n // overlaping chars `a` and `b` are adjacent, the cursor is moved to b and a\n // space is added. Without this, the first half of `b` would never\n // get removed, and `a` would not re-render because it thinks it's\n // already in the correct state.\n // this._state.cache[x][y] = OVERLAP_OWNED_CHAR_DATA;\n if (lastCharX < line.length - 1 && line.getCodePoint(lastCharX + 1) === NULL_CELL_CODE) {\n // patch width to 2\n cell.content &= ~Content.WIDTH_MASK;\n cell.content |= 2 << Content.WIDTH_SHIFT;\n // this._clearChar(x + 1, y);\n // The overlapping char's char data will force a clear and render when the\n // overlapping char is no longer to the left of the character and also when\n // the space changes to another character.\n // this._state.cache[x + 1][y] = OVERLAP_OWNED_CHAR_DATA;\n }\n }\n\n callback(\n cell,\n x,\n y\n );\n\n x = lastCharX;\n }\n }\n }\n\n /**\n * Draws the background for a specified range of columns. Tries to batch adjacent cells of the\n * same color together to reduce draw calls.\n */\n private _drawBackground(terminal: ITerminal, firstRow: number, lastRow: number): void {\n const ctx = this._ctx;\n const cols = terminal.cols;\n let startX: number = 0;\n let startY: number = 0;\n let prevFillStyle: string | null = null;\n\n ctx.save();\n\n this._forEachCell(terminal, firstRow, lastRow, null, (cell, x, y) => {\n // libvte and xterm both draw the background (but not foreground) of invisible characters,\n // so we should too.\n let nextFillStyle = null; // null represents default background color\n\n if (cell.isInverse()) {\n if (cell.isFgDefault()) {\n nextFillStyle = this._colors.foreground.css;\n } else if (cell.isFgRGB()) {\n nextFillStyle = `rgb(${AttributeData.toColorRGB(cell.getFgColor()).join(',')})`;\n } else {\n nextFillStyle = this._colors.ansi[cell.getFgColor()].css;\n }\n } else if (cell.isBgRGB()) {\n nextFillStyle = `rgb(${AttributeData.toColorRGB(cell.getBgColor()).join(',')})`;\n } else if (cell.isBgPalette()) {\n nextFillStyle = this._colors.ansi[cell.getBgColor()].css;\n }\n\n if (prevFillStyle === null) {\n // This is either the first iteration, or the default background was set. Either way, we\n // don't need to draw anything.\n startX = x;\n startY = y;\n } if (y !== startY) {\n // our row changed, draw the previous row\n ctx.fillStyle = prevFillStyle;\n this.fillCells(startX, startY, cols - startX, 1);\n startX = x;\n startY = y;\n } else if (prevFillStyle !== nextFillStyle) {\n // our color changed, draw the previous characters in this row\n ctx.fillStyle = prevFillStyle;\n this.fillCells(startX, startY, x - startX, 1);\n startX = x;\n startY = y;\n }\n\n prevFillStyle = nextFillStyle;\n });\n\n // flush the last color we encountered\n if (prevFillStyle !== null) {\n ctx.fillStyle = prevFillStyle;\n this.fillCells(startX, startY, cols - startX, 1);\n }\n\n ctx.restore();\n }\n\n private _drawForeground(terminal: ITerminal, firstRow: number, lastRow: number): void {\n this._forEachCell(terminal, firstRow, lastRow, this._characterJoinerRegistry, (cell, x, y) => {\n if (cell.isInvisible()) {\n return;\n }\n if (cell.isUnderline()) {\n this._ctx.save();\n\n if (cell.isInverse()) {\n if (cell.isBgDefault()) {\n this._ctx.fillStyle = this._colors.background.css;\n } else if (cell.isBgRGB()) {\n this._ctx.fillStyle = `rgb(${AttributeData.toColorRGB(cell.getBgColor()).join(',')})`;\n } else {\n this._ctx.fillStyle = this._colors.ansi[cell.getBgColor()].css;\n }\n } else {\n if (cell.isFgDefault()) {\n this._ctx.fillStyle = this._colors.foreground.css;\n } else if (cell.isFgRGB()) {\n this._ctx.fillStyle = `rgb(${AttributeData.toColorRGB(cell.getFgColor()).join(',')})`;\n } else {\n let fg = cell.getFgColor();\n if (terminal.options.drawBoldTextInBrightColors && cell.isBold() && fg < 8) {\n fg += 8;\n }\n this._ctx.fillStyle = this._colors.ansi[fg].css;\n }\n }\n\n this.fillBottomLineAtCells(x, y, cell.getWidth());\n this._ctx.restore();\n }\n this.drawChars(terminal, cell, x, y);\n });\n }\n\n public onGridChanged(terminal: ITerminal, firstRow: number, lastRow: number): void {\n // Resize has not been called yet\n if (this._state.cache.length === 0) {\n return;\n }\n\n if (this._charAtlas) {\n this._charAtlas.beginFrame();\n }\n\n this.clearCells(0, firstRow, terminal.cols, lastRow - firstRow + 1);\n this._drawBackground(terminal, firstRow, lastRow);\n this._drawForeground(terminal, firstRow, lastRow);\n }\n\n public onOptionsChanged(terminal: ITerminal): void {\n this.setTransparency(terminal, terminal.options.allowTransparency);\n }\n\n /**\n * Whether a character is overlapping to the next cell.\n */\n private _isOverlapping(cell: ICellData): boolean {\n // Only single cell characters can be overlapping, rendering issues can\n // occur without this check\n if (cell.getWidth() !== 1) {\n return false;\n }\n\n // We assume that any ascii character will not overlap\n if (cell.getCode() < 256) {\n return false;\n }\n\n const chars = cell.getChars();\n\n // Deliver from cache if available\n if (this._characterOverlapCache.hasOwnProperty(chars)) {\n return this._characterOverlapCache[chars];\n }\n\n // Setup the font\n this._ctx.save();\n this._ctx.font = this._characterFont;\n\n // Measure the width of the character, but Math.floor it\n // because that is what the renderer does when it calculates\n // the character dimensions we are comparing against\n const overlaps = Math.floor(this._ctx.measureText(chars).width) > this._characterWidth;\n\n // Restore the original context\n this._ctx.restore();\n\n // Cache and return\n this._characterOverlapCache[chars] = overlaps;\n return overlaps;\n }\n\n /**\n * Clear the charcater at the cell specified.\n * @param x The column of the char.\n * @param y The row of the char.\n */\n // private _clearChar(x: number, y: number): void {\n // let colsToClear = 1;\n // // Clear the adjacent character if it was wide\n // const state = this._state.cache[x][y];\n // if (state && state[CHAR_DATA_WIDTH_INDEX] === 2) {\n // colsToClear = 2;\n // }\n // this.clearCells(x, y, colsToClear, 1);\n // }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ITerminal } from '../Types';\nimport { IColorSet, IRenderDimensions } from './Types';\nimport { BaseRenderLayer } from './BaseRenderLayer';\n\ninterface ISelectionState {\n start: [number, number];\n end: [number, number];\n columnSelectMode: boolean;\n ydisp: number;\n}\n\nexport class SelectionRenderLayer extends BaseRenderLayer {\n private _state: ISelectionState;\n\n constructor(container: HTMLElement, zIndex: number, colors: IColorSet) {\n super(container, 'selection', zIndex, true, colors);\n this._clearState();\n }\n\n private _clearState(): void {\n this._state = {\n start: null,\n end: null,\n columnSelectMode: null,\n ydisp: null\n };\n }\n\n public resize(terminal: ITerminal, dim: IRenderDimensions): void {\n super.resize(terminal, dim);\n // Resizing the canvas discards the contents of the canvas so clear state\n this._clearState();\n }\n\n public reset(terminal: ITerminal): void {\n if (this._state.start && this._state.end) {\n this._clearState();\n this.clearAll();\n }\n }\n\n public onSelectionChanged(terminal: ITerminal, start: [number, number], end: [number, number], columnSelectMode: boolean): void {\n // Selection has not changed\n if (!this._didStateChange(start, end, columnSelectMode, terminal.buffer.ydisp)) {\n return;\n }\n\n // Remove all selections\n this.clearAll();\n\n // Selection does not exist\n if (!start || !end) {\n this._clearState();\n return;\n }\n\n // Translate from buffer position to viewport position\n const viewportStartRow = start[1] - terminal.buffer.ydisp;\n const viewportEndRow = end[1] - terminal.buffer.ydisp;\n const viewportCappedStartRow = Math.max(viewportStartRow, 0);\n const viewportCappedEndRow = Math.min(viewportEndRow, terminal.rows - 1);\n\n // No need to draw the selection\n if (viewportCappedStartRow >= terminal.rows || viewportCappedEndRow < 0) {\n return;\n }\n\n this._ctx.fillStyle = this._colors.selection.css;\n\n if (columnSelectMode) {\n const startCol = start[0];\n const width = end[0] - startCol;\n const height = viewportCappedEndRow - viewportCappedStartRow + 1;\n this.fillCells(startCol, viewportCappedStartRow, width, height);\n } else {\n // Draw first row\n const startCol = viewportStartRow === viewportCappedStartRow ? start[0] : 0;\n const startRowEndCol = viewportCappedStartRow === viewportCappedEndRow ? end[0] : terminal.cols;\n this.fillCells(startCol, viewportCappedStartRow, startRowEndCol - startCol, 1);\n\n // Draw middle rows\n const middleRowsCount = Math.max(viewportCappedEndRow - viewportCappedStartRow - 1, 0);\n this.fillCells(0, viewportCappedStartRow + 1, terminal.cols, middleRowsCount);\n\n // Draw final row\n if (viewportCappedStartRow !== viewportCappedEndRow) {\n // Only draw viewportEndRow if it's not the same as viewportStartRow\n const endCol = viewportEndRow === viewportCappedEndRow ? end[0] : terminal.cols;\n this.fillCells(0, viewportCappedEndRow, endCol, 1);\n }\n }\n\n // Save state for next render\n this._state.start = [start[0], start[1]];\n this._state.end = [end[0], end[1]];\n this._state.columnSelectMode = columnSelectMode;\n this._state.ydisp = terminal.buffer.ydisp;\n }\n\n private _didStateChange(start: [number, number], end: [number, number], columnSelectMode: boolean, ydisp: number): boolean {\n return !this._areCoordinatesEqual(start, this._state.start) ||\n !this._areCoordinatesEqual(end, this._state.end) ||\n columnSelectMode !== this._state.columnSelectMode ||\n ydisp !== this._state.ydisp;\n }\n\n private _areCoordinatesEqual(coord1: [number, number], coord2: [number, number]): boolean {\n if (!coord1 || !coord2) {\n return false;\n }\n\n return coord1[0] === coord2[0] && coord1[1] === coord2[1];\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { TextRenderLayer } from './TextRenderLayer';\nimport { SelectionRenderLayer } from './SelectionRenderLayer';\nimport { CursorRenderLayer } from './CursorRenderLayer';\nimport { ColorManager } from './ColorManager';\nimport { IRenderLayer, IColorSet, IRenderer, IRenderDimensions, ICharacterJoinerRegistry } from './Types';\nimport { ITerminal, CharacterJoinerHandler } from '../Types';\nimport { LinkRenderLayer } from './LinkRenderLayer';\nimport { RenderDebouncer } from '../ui/RenderDebouncer';\nimport { ScreenDprMonitor } from '../ui/ScreenDprMonitor';\nimport { ITheme } from 'xterm';\nimport { CharacterJoinerRegistry } from '../renderer/CharacterJoinerRegistry';\nimport { EventEmitter2, IEvent } from '../common/EventEmitter2';\nimport { Disposable } from '../common/Lifecycle';\n\nexport class Renderer extends Disposable implements IRenderer {\n private _renderDebouncer: RenderDebouncer;\n\n private _renderLayers: IRenderLayer[];\n private _devicePixelRatio: number;\n private _screenDprMonitor: ScreenDprMonitor;\n private _isPaused: boolean = false;\n private _needsFullRefresh: boolean = false;\n private _characterJoinerRegistry: ICharacterJoinerRegistry;\n\n public colorManager: ColorManager;\n public dimensions: IRenderDimensions;\n\n private _onCanvasResize = new EventEmitter2<{ width: number, height: number }>();\n public get onCanvasResize(): IEvent<{ width: number, height: number }> { return this._onCanvasResize.event; }\n private _onRender = new EventEmitter2<{ start: number, end: number }>();\n public get onRender(): IEvent<{ start: number, end: number }> { return this._onRender.event; }\n\n constructor(private _terminal: ITerminal, theme: ITheme) {\n super();\n const allowTransparency = this._terminal.options.allowTransparency;\n this.colorManager = new ColorManager(document, allowTransparency);\n this._characterJoinerRegistry = new CharacterJoinerRegistry(_terminal);\n if (theme) {\n this.colorManager.setTheme(theme);\n }\n\n this._renderLayers = [\n new TextRenderLayer(this._terminal.screenElement, 0, this.colorManager.colors, this._characterJoinerRegistry, allowTransparency),\n new SelectionRenderLayer(this._terminal.screenElement, 1, this.colorManager.colors),\n new LinkRenderLayer(this._terminal.screenElement, 2, this.colorManager.colors, this._terminal),\n new CursorRenderLayer(this._terminal.screenElement, 3, this.colorManager.colors)\n ];\n this.dimensions = {\n scaledCharWidth: null,\n scaledCharHeight: null,\n scaledCellWidth: null,\n scaledCellHeight: null,\n scaledCharLeft: null,\n scaledCharTop: null,\n scaledCanvasWidth: null,\n scaledCanvasHeight: null,\n canvasWidth: null,\n canvasHeight: null,\n actualCellWidth: null,\n actualCellHeight: null\n };\n this._devicePixelRatio = window.devicePixelRatio;\n this._updateDimensions();\n this.onOptionsChanged();\n\n this._renderDebouncer = new RenderDebouncer(this._renderRows.bind(this));\n this._screenDprMonitor = new ScreenDprMonitor();\n this._screenDprMonitor.setListener(() => this.onWindowResize(window.devicePixelRatio));\n this.register(this._screenDprMonitor);\n\n // Detect whether IntersectionObserver is detected and enable renderer pause\n // and resume based on terminal visibility if so\n if ('IntersectionObserver' in window) {\n const observer = new IntersectionObserver(e => this.onIntersectionChange(e[e.length - 1]), { threshold: 0 });\n observer.observe(this._terminal.element);\n this.register({ dispose: () => observer.disconnect() });\n }\n }\n\n public dispose(): void {\n super.dispose();\n this._renderLayers.forEach(l => l.dispose());\n }\n\n public onIntersectionChange(entry: IntersectionObserverEntry): void {\n this._isPaused = entry.intersectionRatio === 0;\n if (!this._isPaused && this._needsFullRefresh) {\n this._terminal.refresh(0, this._terminal.rows - 1);\n this._needsFullRefresh = false;\n }\n }\n\n public onWindowResize(devicePixelRatio: number): void {\n // If the device pixel ratio changed, the char atlas needs to be regenerated\n // and the terminal needs to refreshed\n if (this._devicePixelRatio !== devicePixelRatio) {\n this._devicePixelRatio = devicePixelRatio;\n this.onResize(this._terminal.cols, this._terminal.rows);\n }\n }\n\n public setTheme(theme: ITheme): IColorSet {\n this.colorManager.setTheme(theme);\n\n // Clear layers and force a full render\n this._renderLayers.forEach(l => {\n l.onThemeChanged(this._terminal, this.colorManager.colors);\n l.reset(this._terminal);\n });\n\n if (this._isPaused) {\n this._needsFullRefresh = true;\n } else {\n this._terminal.refresh(0, this._terminal.rows - 1);\n }\n\n return this.colorManager.colors;\n }\n\n public onResize(cols: number, rows: number): void {\n // Update character and canvas dimensions\n this._updateDimensions();\n\n // Resize all render layers\n this._renderLayers.forEach(l => l.resize(this._terminal, this.dimensions));\n\n // Force a refresh\n if (this._isPaused) {\n this._needsFullRefresh = true;\n } else {\n this._terminal.refresh(0, this._terminal.rows - 1);\n }\n\n // Resize the screen\n this._terminal.screenElement.style.width = `${this.dimensions.canvasWidth}px`;\n this._terminal.screenElement.style.height = `${this.dimensions.canvasHeight}px`;\n\n this._onCanvasResize.fire({\n width: this.dimensions.canvasWidth,\n height: this.dimensions.canvasHeight\n });\n }\n\n public onCharSizeChanged(): void {\n this.onResize(this._terminal.cols, this._terminal.rows);\n }\n\n public onBlur(): void {\n this._runOperation(l => l.onBlur(this._terminal));\n }\n\n public onFocus(): void {\n this._runOperation(l => l.onFocus(this._terminal));\n }\n\n public onSelectionChanged(start: [number, number], end: [number, number], columnSelectMode: boolean = false): void {\n this._runOperation(l => l.onSelectionChanged(this._terminal, start, end, columnSelectMode));\n }\n\n public onCursorMove(): void {\n this._runOperation(l => l.onCursorMove(this._terminal));\n }\n\n public onOptionsChanged(): void {\n this.colorManager.allowTransparency = this._terminal.options.allowTransparency;\n this._runOperation(l => l.onOptionsChanged(this._terminal));\n }\n\n public clear(): void {\n this._runOperation(l => l.reset(this._terminal));\n }\n\n private _runOperation(operation: (layer: IRenderLayer) => void): void {\n if (this._isPaused) {\n this._needsFullRefresh = true;\n } else {\n this._renderLayers.forEach(l => operation(l));\n }\n }\n\n /**\n * Queues a refresh between two rows (inclusive), to be done on next animation\n * frame.\n * @param start The start row.\n * @param end The end row.\n */\n public refreshRows(start: number, end: number): void {\n if (this._isPaused) {\n this._needsFullRefresh = true;\n return;\n }\n this._renderDebouncer.refresh(start, end, this._terminal.rows);\n }\n\n /**\n * Performs the refresh loop callback, calling refresh only if a refresh is\n * necessary before queueing up the next one.\n */\n private _renderRows(start: number, end: number): void {\n this._renderLayers.forEach(l => l.onGridChanged(this._terminal, start, end));\n this._onRender.fire({ start, end });\n }\n\n /**\n * Recalculates the character and canvas dimensions.\n */\n private _updateDimensions(): void {\n // Perform a new measure if the CharMeasure dimensions are not yet available\n if (!this._terminal.charMeasure.width || !this._terminal.charMeasure.height) {\n return;\n }\n\n // Calculate the scaled character width. Width is floored as it must be\n // drawn to an integer grid in order for the CharAtlas \"stamps\" to not be\n // blurry. When text is drawn to the grid not using the CharAtlas, it is\n // clipped to ensure there is no overlap with the next cell.\n this.dimensions.scaledCharWidth = Math.floor(this._terminal.charMeasure.width * window.devicePixelRatio);\n\n // Calculate the scaled character height. Height is ceiled in case\n // devicePixelRatio is a floating point number in order to ensure there is\n // enough space to draw the character to the cell.\n this.dimensions.scaledCharHeight = Math.ceil(this._terminal.charMeasure.height * window.devicePixelRatio);\n\n // Calculate the scaled cell height, if lineHeight is not 1 then the value\n // will be floored because since lineHeight can never be lower then 1, there\n // is a guarentee that the scaled line height will always be larger than\n // scaled char height.\n this.dimensions.scaledCellHeight = Math.floor(this.dimensions.scaledCharHeight * this._terminal.options.lineHeight);\n\n // Calculate the y coordinate within a cell that text should draw from in\n // order to draw in the center of a cell.\n this.dimensions.scaledCharTop = this._terminal.options.lineHeight === 1 ? 0 : Math.round((this.dimensions.scaledCellHeight - this.dimensions.scaledCharHeight) / 2);\n\n // Calculate the scaled cell width, taking the letterSpacing into account.\n this.dimensions.scaledCellWidth = this.dimensions.scaledCharWidth + Math.round(this._terminal.options.letterSpacing);\n\n // Calculate the x coordinate with a cell that text should draw from in\n // order to draw in the center of a cell.\n this.dimensions.scaledCharLeft = Math.floor(this._terminal.options.letterSpacing / 2);\n\n // Recalculate the canvas dimensions; scaled* define the actual number of\n // pixel in the canvas\n this.dimensions.scaledCanvasHeight = this._terminal.rows * this.dimensions.scaledCellHeight;\n this.dimensions.scaledCanvasWidth = this._terminal.cols * this.dimensions.scaledCellWidth;\n\n // The the size of the canvas on the page. It's very important that this\n // rounds to nearest integer and not ceils as browsers often set\n // window.devicePixelRatio as something like 1.100000023841858, when it's\n // actually 1.1. Ceiling causes blurriness as the backing canvas image is 1\n // pixel too large for the canvas element size.\n this.dimensions.canvasHeight = Math.round(this.dimensions.scaledCanvasHeight / window.devicePixelRatio);\n this.dimensions.canvasWidth = Math.round(this.dimensions.scaledCanvasWidth / window.devicePixelRatio);\n\n // Get the _actual_ dimensions of an individual cell. This needs to be\n // derived from the canvasWidth/Height calculated above which takes into\n // account window.devicePixelRatio. CharMeasure.width/height by itself is\n // insufficient when the page is not at 100% zoom level as CharMeasure is\n // measured in CSS pixels, but the actual char size on the canvas can\n // differ.\n this.dimensions.actualCellHeight = this.dimensions.canvasHeight / this._terminal.rows;\n this.dimensions.actualCellWidth = this.dimensions.canvasWidth / this._terminal.cols;\n }\n\n public registerCharacterJoiner(handler: CharacterJoinerHandler): number {\n return this._characterJoinerRegistry.registerCharacterJoiner(handler);\n }\n\n public deregisterCharacterJoiner(joinerId: number): boolean {\n return this._characterJoinerRegistry.deregisterCharacterJoiner(joinerId);\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ILinkifierEvent, ITerminal, ILinkifierAccessor } from '../Types';\nimport { IColorSet, IRenderDimensions } from './Types';\nimport { BaseRenderLayer } from './BaseRenderLayer';\nimport { INVERTED_DEFAULT_COLOR } from './atlas/Types';\nimport { is256Color } from './atlas/CharAtlasUtils';\n\nexport class LinkRenderLayer extends BaseRenderLayer {\n private _state: ILinkifierEvent = null;\n\n constructor(container: HTMLElement, zIndex: number, colors: IColorSet, terminal: ILinkifierAccessor) {\n super(container, 'link', zIndex, true, colors);\n terminal.linkifier.onLinkHover(e => this._onLinkHover(e));\n terminal.linkifier.onLinkLeave(e => this._onLinkLeave(e));\n }\n\n public resize(terminal: ITerminal, dim: IRenderDimensions): void {\n super.resize(terminal, dim);\n // Resizing the canvas discards the contents of the canvas so clear state\n this._state = null;\n }\n\n public reset(terminal: ITerminal): void {\n this._clearCurrentLink();\n }\n\n private _clearCurrentLink(): void {\n if (this._state) {\n this.clearCells(this._state.x1, this._state.y1, this._state.cols - this._state.x1, 1);\n const middleRowCount = this._state.y2 - this._state.y1 - 1;\n if (middleRowCount > 0) {\n this.clearCells(0, this._state.y1 + 1, this._state.cols, middleRowCount);\n }\n this.clearCells(0, this._state.y2, this._state.x2, 1);\n this._state = null;\n }\n }\n\n private _onLinkHover(e: ILinkifierEvent): void {\n if (e.fg === INVERTED_DEFAULT_COLOR) {\n this._ctx.fillStyle = this._colors.background.css;\n } else if (is256Color(e.fg)) {\n // 256 color support\n this._ctx.fillStyle = this._colors.ansi[e.fg].css;\n } else {\n this._ctx.fillStyle = this._colors.foreground.css;\n }\n\n if (e.y1 === e.y2) {\n // Single line link\n this.fillBottomLineAtCells(e.x1, e.y1, e.x2 - e.x1);\n } else {\n // Multi-line link\n this.fillBottomLineAtCells(e.x1, e.y1, e.cols - e.x1);\n for (let y = e.y1 + 1; y < e.y2; y++) {\n this.fillBottomLineAtCells(0, y, e.cols);\n }\n this.fillBottomLineAtCells(0, e.y2, e.x2);\n }\n this._state = e;\n }\n\n private _onLinkLeave(e: ILinkifierEvent): void {\n this._clearCurrentLink();\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nexport class GridCache<T> {\n public cache: T[][];\n\n public constructor() {\n this.cache = [];\n }\n\n public resize(width: number, height: number): void {\n for (let x = 0; x < width; x++) {\n if (this.cache.length <= x) {\n this.cache.push([]);\n }\n for (let y = this.cache[x].length; y < height; y++) {\n this.cache[x].push(null);\n }\n this.cache[x].length = height;\n }\n this.cache.length = width;\n }\n\n public clear(): void {\n for (let x = 0; x < this.cache.length; x++) {\n for (let y = 0; y < this.cache[x].length; y++) {\n this.cache[x][y] = null;\n }\n }\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IColorSet, IRenderDimensions } from './Types';\nimport { BaseRenderLayer } from './BaseRenderLayer';\nimport { ITerminal, ICellData } from '../Types';\nimport { CellData } from '../BufferLine';\n\ninterface ICursorState {\n x: number;\n y: number;\n isFocused: boolean;\n style: string;\n width: number;\n}\n\n/**\n * The time between cursor blinks.\n */\nconst BLINK_INTERVAL = 600;\n\nexport class CursorRenderLayer extends BaseRenderLayer {\n private _state: ICursorState;\n private _cursorRenderers: {[key: string]: (terminal: ITerminal, x: number, y: number, cell: ICellData) => void};\n private _cursorBlinkStateManager: CursorBlinkStateManager;\n private _cell: ICellData = new CellData();\n\n constructor(container: HTMLElement, zIndex: number, colors: IColorSet) {\n super(container, 'cursor', zIndex, true, colors);\n this._state = {\n x: null,\n y: null,\n isFocused: null,\n style: null,\n width: null\n };\n this._cursorRenderers = {\n 'bar': this._renderBarCursor.bind(this),\n 'block': this._renderBlockCursor.bind(this),\n 'underline': this._renderUnderlineCursor.bind(this)\n };\n // TODO: Consider initial options? Maybe onOptionsChanged should be called at the end of open?\n }\n\n public resize(terminal: ITerminal, dim: IRenderDimensions): void {\n super.resize(terminal, dim);\n // Resizing the canvas discards the contents of the canvas so clear state\n this._state = {\n x: null,\n y: null,\n isFocused: null,\n style: null,\n width: null\n };\n }\n\n public reset(terminal: ITerminal): void {\n this._clearCursor();\n if (this._cursorBlinkStateManager) {\n this._cursorBlinkStateManager.dispose();\n this._cursorBlinkStateManager = null;\n this.onOptionsChanged(terminal);\n }\n }\n\n public onBlur(terminal: ITerminal): void {\n if (this._cursorBlinkStateManager) {\n this._cursorBlinkStateManager.pause();\n }\n terminal.refresh(terminal.buffer.y, terminal.buffer.y);\n }\n\n public onFocus(terminal: ITerminal): void {\n if (this._cursorBlinkStateManager) {\n this._cursorBlinkStateManager.resume(terminal);\n } else {\n terminal.refresh(terminal.buffer.y, terminal.buffer.y);\n }\n }\n\n public onOptionsChanged(terminal: ITerminal): void {\n if (terminal.options.cursorBlink) {\n if (!this._cursorBlinkStateManager) {\n this._cursorBlinkStateManager = new CursorBlinkStateManager(terminal, () => {\n this._render(terminal, true);\n });\n }\n } else {\n if (this._cursorBlinkStateManager) {\n this._cursorBlinkStateManager.dispose();\n this._cursorBlinkStateManager = null;\n }\n // Request a refresh from the terminal as management of rendering is being\n // moved back to the terminal\n terminal.refresh(terminal.buffer.y, terminal.buffer.y);\n }\n }\n\n public onCursorMove(terminal: ITerminal): void {\n if (this._cursorBlinkStateManager) {\n this._cursorBlinkStateManager.restartBlinkAnimation(terminal);\n }\n }\n\n public onGridChanged(terminal: ITerminal, startRow: number, endRow: number): void {\n if (!this._cursorBlinkStateManager || this._cursorBlinkStateManager.isPaused) {\n this._render(terminal, false);\n } else {\n this._cursorBlinkStateManager.restartBlinkAnimation(terminal);\n }\n }\n\n private _render(terminal: ITerminal, triggeredByAnimationFrame: boolean): void {\n // Don't draw the cursor if it's hidden\n if (!terminal.cursorState || terminal.cursorHidden) {\n this._clearCursor();\n return;\n }\n\n const cursorY = terminal.buffer.ybase + terminal.buffer.y;\n const viewportRelativeCursorY = cursorY - terminal.buffer.ydisp;\n\n // Don't draw the cursor if it's off-screen\n if (viewportRelativeCursorY < 0 || viewportRelativeCursorY >= terminal.rows) {\n this._clearCursor();\n return;\n }\n\n terminal.buffer.lines.get(cursorY).loadCell(terminal.buffer.x, this._cell);\n if (this._cell.content === undefined) {\n return;\n }\n\n if (!terminal.isFocused) {\n this._clearCursor();\n this._ctx.save();\n this._ctx.fillStyle = this._colors.cursor.css;\n this._renderBlurCursor(terminal, terminal.buffer.x, viewportRelativeCursorY, this._cell);\n this._ctx.restore();\n this._state.x = terminal.buffer.x;\n this._state.y = viewportRelativeCursorY;\n this._state.isFocused = false;\n this._state.style = terminal.options.cursorStyle;\n this._state.width = this._cell.getWidth();\n return;\n }\n\n // Don't draw the cursor if it's blinking\n if (this._cursorBlinkStateManager && !this._cursorBlinkStateManager.isCursorVisible) {\n this._clearCursor();\n return;\n }\n\n if (this._state) {\n // The cursor is already in the correct spot, don't redraw\n if (this._state.x === terminal.buffer.x &&\n this._state.y === viewportRelativeCursorY &&\n this._state.isFocused === terminal.isFocused &&\n this._state.style === terminal.options.cursorStyle &&\n this._state.width === this._cell.getWidth()) {\n return;\n }\n this._clearCursor();\n }\n\n this._ctx.save();\n this._cursorRenderers[terminal.options.cursorStyle || 'block'](terminal, terminal.buffer.x, viewportRelativeCursorY, this._cell);\n this._ctx.restore();\n\n this._state.x = terminal.buffer.x;\n this._state.y = viewportRelativeCursorY;\n this._state.isFocused = false;\n this._state.style = terminal.options.cursorStyle;\n this._state.width = this._cell.getWidth();\n }\n\n private _clearCursor(): void {\n if (this._state) {\n this.clearCells(this._state.x, this._state.y, this._state.width, 1);\n this._state = {\n x: null,\n y: null,\n isFocused: null,\n style: null,\n width: null\n };\n }\n }\n\n private _renderBarCursor(terminal: ITerminal, x: number, y: number, cell: ICellData): void {\n this._ctx.save();\n this._ctx.fillStyle = this._colors.cursor.css;\n this.fillLeftLineAtCell(x, y);\n this._ctx.restore();\n }\n\n private _renderBlockCursor(terminal: ITerminal, x: number, y: number, cell: ICellData): void {\n this._ctx.save();\n this._ctx.fillStyle = this._colors.cursor.css;\n this.fillCells(x, y, cell.getWidth(), 1);\n this._ctx.fillStyle = this._colors.cursorAccent.css;\n this.fillCharTrueColor(terminal, cell, x, y);\n this._ctx.restore();\n }\n\n private _renderUnderlineCursor(terminal: ITerminal, x: number, y: number, cell: ICellData): void {\n this._ctx.save();\n this._ctx.fillStyle = this._colors.cursor.css;\n this.fillBottomLineAtCells(x, y);\n this._ctx.restore();\n }\n\n private _renderBlurCursor(terminal: ITerminal, x: number, y: number, cell: ICellData): void {\n this._ctx.save();\n this._ctx.strokeStyle = this._colors.cursor.css;\n this.strokeRectAtCell(x, y, cell.getWidth(), 1);\n this._ctx.restore();\n }\n}\n\nclass CursorBlinkStateManager {\n public isCursorVisible: boolean;\n\n private _animationFrame: number;\n private _blinkStartTimeout: number;\n private _blinkInterval: number;\n\n /**\n * The time at which the animation frame was restarted, this is used on the\n * next render to restart the timers so they don't need to restart the timers\n * multiple times over a short period.\n */\n private _animationTimeRestarted: number;\n\n constructor(\n terminal: ITerminal,\n private _renderCallback: () => void\n ) {\n this.isCursorVisible = true;\n if (terminal.isFocused) {\n this._restartInterval();\n }\n }\n\n public get isPaused(): boolean { return !(this._blinkStartTimeout || this._blinkInterval); }\n\n public dispose(): void {\n if (this._blinkInterval) {\n window.clearInterval(this._blinkInterval);\n this._blinkInterval = null;\n }\n if (this._blinkStartTimeout) {\n window.clearTimeout(this._blinkStartTimeout);\n this._blinkStartTimeout = null;\n }\n if (this._animationFrame) {\n window.cancelAnimationFrame(this._animationFrame);\n this._animationFrame = null;\n }\n }\n\n public restartBlinkAnimation(terminal: ITerminal): void {\n if (this.isPaused) {\n return;\n }\n // Save a timestamp so that the restart can be done on the next interval\n this._animationTimeRestarted = Date.now();\n // Force a cursor render to ensure it's visible and in the correct position\n this.isCursorVisible = true;\n if (!this._animationFrame) {\n this._animationFrame = window.requestAnimationFrame(() => {\n this._renderCallback();\n this._animationFrame = null;\n });\n }\n }\n\n private _restartInterval(timeToStart: number = BLINK_INTERVAL): void {\n // Clear any existing interval\n if (this._blinkInterval) {\n window.clearInterval(this._blinkInterval);\n }\n\n // Setup the initial timeout which will hide the cursor, this is done before\n // the regular interval is setup in order to support restarting the blink\n // animation in a lightweight way (without thrashing clearInterval and\n // setInterval).\n this._blinkStartTimeout = <number><any>setTimeout(() => {\n // Check if another animation restart was requested while this was being\n // started\n if (this._animationTimeRestarted) {\n const time = BLINK_INTERVAL - (Date.now() - this._animationTimeRestarted);\n this._animationTimeRestarted = null;\n if (time > 0) {\n this._restartInterval(time);\n return;\n }\n }\n\n // Hide the cursor\n this.isCursorVisible = false;\n this._animationFrame = window.requestAnimationFrame(() => {\n this._renderCallback();\n this._animationFrame = null;\n });\n\n // Setup the blink interval\n this._blinkInterval = <number><any>setInterval(() => {\n // Adjust the animation time if it was restarted\n if (this._animationTimeRestarted) {\n // calc time diff\n // Make restart interval do a setTimeout initially?\n const time = BLINK_INTERVAL - (Date.now() - this._animationTimeRestarted);\n this._animationTimeRestarted = null;\n this._restartInterval(time);\n return;\n }\n\n // Invert visibility and render\n this.isCursorVisible = !this.isCursorVisible;\n this._animationFrame = window.requestAnimationFrame(() => {\n this._renderCallback();\n this._animationFrame = null;\n });\n }, BLINK_INTERVAL);\n }, timeToStart);\n }\n\n public pause(): void {\n this.isCursorVisible = true;\n if (this._blinkInterval) {\n window.clearInterval(this._blinkInterval);\n this._blinkInterval = null;\n }\n if (this._blinkStartTimeout) {\n window.clearTimeout(this._blinkStartTimeout);\n this._blinkStartTimeout = null;\n }\n if (this._animationFrame) {\n window.cancelAnimationFrame(this._animationFrame);\n this._animationFrame = null;\n }\n }\n\n public resume(terminal: ITerminal): void {\n this._animationTimeRestarted = null;\n this._restartInterval();\n this.restartBlinkAnimation(terminal);\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IColorManager, IColor, IColorSet } from './Types';\nimport { ITheme } from 'xterm';\n\nconst DEFAULT_FOREGROUND = fromHex('#ffffff');\nconst DEFAULT_BACKGROUND = fromHex('#000000');\nconst DEFAULT_CURSOR = fromHex('#ffffff');\nconst DEFAULT_CURSOR_ACCENT = fromHex('#000000');\nconst DEFAULT_SELECTION = {\n css: 'rgba(255, 255, 255, 0.3)',\n rgba: 0xFFFFFF77\n};\n\n// An IIFE to generate DEFAULT_ANSI_COLORS. Do not mutate DEFAULT_ANSI_COLORS, instead make a copy\n// and mutate that.\nexport const DEFAULT_ANSI_COLORS = (() => {\n const colors = [\n // dark:\n fromHex('#2e3436'),\n fromHex('#cc0000'),\n fromHex('#4e9a06'),\n fromHex('#c4a000'),\n fromHex('#3465a4'),\n fromHex('#75507b'),\n fromHex('#06989a'),\n fromHex('#d3d7cf'),\n // bright:\n fromHex('#555753'),\n fromHex('#ef2929'),\n fromHex('#8ae234'),\n fromHex('#fce94f'),\n fromHex('#729fcf'),\n fromHex('#ad7fa8'),\n fromHex('#34e2e2'),\n fromHex('#eeeeec')\n ];\n\n // Fill in the remaining 240 ANSI colors.\n // Generate colors (16-231)\n const v = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff];\n for (let i = 0; i < 216; i++) {\n const r = v[(i / 36) % 6 | 0];\n const g = v[(i / 6) % 6 | 0];\n const b = v[i % 6];\n colors.push({\n css: `#${toPaddedHex(r)}${toPaddedHex(g)}${toPaddedHex(b)}`,\n // Use >>> 0 to force a conversion to an unsigned int\n rgba: ((r << 24) | (g << 16) | (b << 8) | 0xFF) >>> 0\n });\n }\n\n // Generate greys (232-255)\n for (let i = 0; i < 24; i++) {\n const c = 8 + i * 10;\n const ch = toPaddedHex(c);\n colors.push({\n css: `#${ch}${ch}${ch}`,\n rgba: ((c << 24) | (c << 16) | (c << 8) | 0xFF) >>> 0\n });\n }\n\n return colors;\n})();\n\nfunction fromHex(css: string): IColor {\n return {\n css,\n rgba: parseInt(css.slice(1), 16) << 8 | 0xFF\n };\n}\n\nfunction toPaddedHex(c: number): string {\n const s = c.toString(16);\n return s.length < 2 ? '0' + s : s;\n}\n\n/**\n * Manages the source of truth for a terminal's colors.\n */\nexport class ColorManager implements IColorManager {\n public colors: IColorSet;\n private _ctx: CanvasRenderingContext2D;\n private _litmusColor: CanvasGradient;\n\n constructor(document: Document, public allowTransparency: boolean) {\n const canvas = document.createElement('canvas');\n canvas.width = 1;\n canvas.height = 1;\n this._ctx = canvas.getContext('2d');\n this._ctx.globalCompositeOperation = 'copy';\n this._litmusColor = this._ctx.createLinearGradient(0, 0, 1, 1);\n this.colors = {\n foreground: DEFAULT_FOREGROUND,\n background: DEFAULT_BACKGROUND,\n cursor: DEFAULT_CURSOR,\n cursorAccent: DEFAULT_CURSOR_ACCENT,\n selection: DEFAULT_SELECTION,\n ansi: DEFAULT_ANSI_COLORS.slice()\n };\n }\n\n /**\n * Sets the terminal's theme.\n * @param theme The theme to use. If a partial theme is provided then default\n * colors will be used where colors are not defined.\n */\n public setTheme(theme: ITheme): void {\n this.colors.foreground = this._parseColor(theme.foreground, DEFAULT_FOREGROUND);\n this.colors.background = this._parseColor(theme.background, DEFAULT_BACKGROUND);\n this.colors.cursor = this._parseColor(theme.cursor, DEFAULT_CURSOR, true);\n this.colors.cursorAccent = this._parseColor(theme.cursorAccent, DEFAULT_CURSOR_ACCENT, true);\n this.colors.selection = this._parseColor(theme.selection, DEFAULT_SELECTION, true);\n this.colors.ansi[0] = this._parseColor(theme.black, DEFAULT_ANSI_COLORS[0]);\n this.colors.ansi[1] = this._parseColor(theme.red, DEFAULT_ANSI_COLORS[1]);\n this.colors.ansi[2] = this._parseColor(theme.green, DEFAULT_ANSI_COLORS[2]);\n this.colors.ansi[3] = this._parseColor(theme.yellow, DEFAULT_ANSI_COLORS[3]);\n this.colors.ansi[4] = this._parseColor(theme.blue, DEFAULT_ANSI_COLORS[4]);\n this.colors.ansi[5] = this._parseColor(theme.magenta, DEFAULT_ANSI_COLORS[5]);\n this.colors.ansi[6] = this._parseColor(theme.cyan, DEFAULT_ANSI_COLORS[6]);\n this.colors.ansi[7] = this._parseColor(theme.white, DEFAULT_ANSI_COLORS[7]);\n this.colors.ansi[8] = this._parseColor(theme.brightBlack, DEFAULT_ANSI_COLORS[8]);\n this.colors.ansi[9] = this._parseColor(theme.brightRed, DEFAULT_ANSI_COLORS[9]);\n this.colors.ansi[10] = this._parseColor(theme.brightGreen, DEFAULT_ANSI_COLORS[10]);\n this.colors.ansi[11] = this._parseColor(theme.brightYellow, DEFAULT_ANSI_COLORS[11]);\n this.colors.ansi[12] = this._parseColor(theme.brightBlue, DEFAULT_ANSI_COLORS[12]);\n this.colors.ansi[13] = this._parseColor(theme.brightMagenta, DEFAULT_ANSI_COLORS[13]);\n this.colors.ansi[14] = this._parseColor(theme.brightCyan, DEFAULT_ANSI_COLORS[14]);\n this.colors.ansi[15] = this._parseColor(theme.brightWhite, DEFAULT_ANSI_COLORS[15]);\n }\n\n private _parseColor(\n css: string,\n fallback: IColor,\n allowTransparency: boolean = this.allowTransparency\n ): IColor {\n if (!css) {\n return fallback;\n }\n\n // If parsing the value results in failure, then it must be ignored, and the attribute must\n // retain its previous value.\n // -- https://html.spec.whatwg.org/multipage/canvas.html#fill-and-stroke-styles\n this._ctx.fillStyle = this._litmusColor;\n this._ctx.fillStyle = css;\n if (typeof this._ctx.fillStyle !== 'string') {\n console.warn(`Color: ${css} is invalid using fallback ${fallback.css}`);\n return fallback;\n }\n\n this._ctx.fillRect(0, 0, 1, 1);\n const data = this._ctx.getImageData(0, 0, 1, 1).data;\n\n if (!allowTransparency && data[3] !== 0xFF) {\n // Ideally we'd just ignore the alpha channel, but...\n //\n // Browsers may not give back exactly the same RGB values we put in, because most/all\n // convert the color to a pre-multiplied representation. getImageData converts that back to\n // a un-premultipled representation, but the precision loss may make the RGB channels unuable\n // on their own.\n //\n // E.g. In Chrome #12345610 turns into #10305010, and in the extreme case, 0xFFFFFF00 turns\n // into 0x00000000.\n //\n // \"Note: Due to the lossy nature of converting to and from premultiplied alpha color values,\n // pixels that have just been set using putImageData() might be returned to an equivalent\n // getImageData() as different values.\"\n // -- https://html.spec.whatwg.org/multipage/canvas.html#pixel-manipulation\n //\n // So let's just use the fallback color in this case instead.\n console.warn(\n `Color: ${css} is using transparency, but allowTransparency is false. ` +\n `Using fallback ${fallback.css}.`\n );\n return fallback;\n }\n\n return {\n css,\n rgba: (data[0] << 24 | data[1] << 16 | data[2] << 8 | data[3]) >>> 0\n };\n }\n}\n","import { ITerminal, IBufferLine, ICellData, CharData } from '../Types';\nimport { ICharacterJoinerRegistry, ICharacterJoiner } from './Types';\nimport { CellData, Content, AttributeData } from '../BufferLine';\nimport { WHITESPACE_CELL_CHAR } from '../Buffer';\n\nexport class JoinedCellData extends AttributeData implements ICellData {\n private _width: number;\n // .content carries no meaning for joined CellData, simply nullify it\n // thus we have to overload all other .content accessors\n public content: number = 0;\n public fg: number;\n public bg: number;\n public combinedData: string = '';\n\n constructor(firstCell: ICellData, chars: string, width: number) {\n super();\n this.fg = firstCell.fg;\n this.bg = firstCell.bg;\n this.combinedData = chars;\n this._width = width;\n }\n\n public isCombined(): number {\n // always mark joined cell data as combined\n return Content.IS_COMBINED_MASK;\n }\n\n public getWidth(): number {\n return this._width;\n }\n\n public getChars(): string {\n return this.combinedData;\n }\n\n public getCode(): number {\n // code always gets the highest possible fake codepoint (read as -1)\n // this is needed as code is used by caches as identifier\n return 0x1FFFFF;\n }\n\n public setFromCharData(value: CharData): void {\n throw new Error('not implemented');\n }\n\n public getAsCharData(): CharData {\n return [this.fg, this.getChars(), this.getWidth(), this.getCode()];\n }\n}\n\nexport class CharacterJoinerRegistry implements ICharacterJoinerRegistry {\n\n private _characterJoiners: ICharacterJoiner[] = [];\n private _nextCharacterJoinerId: number = 0;\n private _workCell: CellData = new CellData();\n\n constructor(private _terminal: ITerminal) {\n }\n\n public registerCharacterJoiner(handler: (text: string) => [number, number][]): number {\n const joiner: ICharacterJoiner = {\n id: this._nextCharacterJoinerId++,\n handler\n };\n\n this._characterJoiners.push(joiner);\n return joiner.id;\n }\n\n public deregisterCharacterJoiner(joinerId: number): boolean {\n for (let i = 0; i < this._characterJoiners.length; i++) {\n if (this._characterJoiners[i].id === joinerId) {\n this._characterJoiners.splice(i, 1);\n return true;\n }\n }\n\n return false;\n }\n\n public getJoinedCharacters(row: number): [number, number][] {\n if (this._characterJoiners.length === 0) {\n return [];\n }\n\n const line = this._terminal.buffer.lines.get(row);\n if (line.length === 0) {\n return [];\n }\n\n const ranges: [number, number][] = [];\n const lineStr = line.translateToString(true);\n\n // Because some cells can be represented by multiple javascript characters,\n // we track the cell and the string indexes separately. This allows us to\n // translate the string ranges we get from the joiners back into cell ranges\n // for use when rendering\n let rangeStartColumn = 0;\n let currentStringIndex = 0;\n let rangeStartStringIndex = 0;\n let rangeAttrFG = line.getFg(0);\n let rangeAttrBG = line.getBg(0);\n\n for (let x = 0; x < line.getTrimmedLength(); x++) {\n line.loadCell(x, this._workCell);\n\n if (this._workCell.getWidth() === 0) {\n // If this character is of width 0, skip it.\n continue;\n }\n\n // End of range\n if (this._workCell.fg !== rangeAttrFG || this._workCell.bg !== rangeAttrBG) {\n // If we ended up with a sequence of more than one character,\n // look for ranges to join.\n if (x - rangeStartColumn > 1) {\n const joinedRanges = this._getJoinedRanges(\n lineStr,\n rangeStartStringIndex,\n currentStringIndex,\n line,\n rangeStartColumn\n );\n for (let i = 0; i < joinedRanges.length; i++) {\n ranges.push(joinedRanges[i]);\n }\n }\n\n // Reset our markers for a new range.\n rangeStartColumn = x;\n rangeStartStringIndex = currentStringIndex;\n rangeAttrFG = this._workCell.fg;\n rangeAttrBG = this._workCell.bg;\n }\n\n currentStringIndex += this._workCell.getChars().length || WHITESPACE_CELL_CHAR.length;\n }\n\n // Process any trailing ranges.\n if (this._terminal.cols - rangeStartColumn > 1) {\n const joinedRanges = this._getJoinedRanges(\n lineStr,\n rangeStartStringIndex,\n currentStringIndex,\n line,\n rangeStartColumn\n );\n for (let i = 0; i < joinedRanges.length; i++) {\n ranges.push(joinedRanges[i]);\n }\n }\n\n return ranges;\n }\n\n /**\n * Given a segment of a line of text, find all ranges of text that should be\n * joined in a single rendering unit. Ranges are internally converted to\n * column ranges, rather than string ranges.\n * @param line String representation of the full line of text\n * @param startIndex Start position of the range to search in the string (inclusive)\n * @param endIndex End position of the range to search in the string (exclusive)\n */\n private _getJoinedRanges(line: string, startIndex: number, endIndex: number, lineData: IBufferLine, startCol: number): [number, number][] {\n const text = line.substring(startIndex, endIndex);\n // At this point we already know that there is at least one joiner so\n // we can just pull its value and assign it directly rather than\n // merging it into an empty array, which incurs unnecessary writes.\n const joinedRanges: [number, number][] = this._characterJoiners[0].handler(text);\n for (let i = 1; i < this._characterJoiners.length; i++) {\n // We merge any overlapping ranges across the different joiners\n const joinerRanges = this._characterJoiners[i].handler(text);\n for (let j = 0; j < joinerRanges.length; j++) {\n CharacterJoinerRegistry._mergeRanges(joinedRanges, joinerRanges[j]);\n }\n }\n this._stringRangesToCellRanges(joinedRanges, lineData, startCol);\n return joinedRanges;\n }\n\n /**\n * Modifies the provided ranges in-place to adjust for variations between\n * string length and cell width so that the range represents a cell range,\n * rather than the string range the joiner provides.\n * @param ranges String ranges containing start (inclusive) and end (exclusive) index\n * @param line Cell data for the relevant line in the terminal\n * @param startCol Offset within the line to start from\n */\n private _stringRangesToCellRanges(ranges: [number, number][], line: IBufferLine, startCol: number): void {\n let currentRangeIndex = 0;\n let currentRangeStarted = false;\n let currentStringIndex = 0;\n let currentRange = ranges[currentRangeIndex];\n\n // If we got through all of the ranges, stop searching\n if (!currentRange) {\n return;\n }\n\n for (let x = startCol; x < this._terminal.cols; x++) {\n const width = line.getWidth(x);\n const length = line.getString(x).length || WHITESPACE_CELL_CHAR.length;\n\n // We skip zero-width characters when creating the string to join the text\n // so we do the same here\n if (width === 0) {\n continue;\n }\n\n // Adjust the start of the range\n if (!currentRangeStarted && currentRange[0] <= currentStringIndex) {\n currentRange[0] = x;\n currentRangeStarted = true;\n }\n\n // Adjust the end of the range\n if (currentRange[1] <= currentStringIndex) {\n currentRange[1] = x;\n\n // We're finished with this range, so we move to the next one\n currentRange = ranges[++currentRangeIndex];\n\n // If there are no more ranges left, stop searching\n if (!currentRange) {\n break;\n }\n\n // Ranges can be on adjacent characters. Because the end index of the\n // ranges are exclusive, this means that the index for the start of a\n // range can be the same as the end index of the previous range. To\n // account for the start of the next range, we check here just in case.\n if (currentRange[0] <= currentStringIndex) {\n currentRange[0] = x;\n currentRangeStarted = true;\n } else {\n currentRangeStarted = false;\n }\n }\n\n // Adjust the string index based on the character length to line up with\n // the column adjustment\n currentStringIndex += length;\n }\n\n // If there is still a range left at the end, it must extend all the way to\n // the end of the line.\n if (currentRange) {\n currentRange[1] = this._terminal.cols;\n }\n }\n\n /**\n * Merges the range defined by the provided start and end into the list of\n * existing ranges. The merge is done in place on the existing range for\n * performance and is also returned.\n * @param ranges Existing range list\n * @param newRange Tuple of two numbers representing the new range to merge in.\n * @returns The ranges input with the new range merged in place\n */\n private static _mergeRanges(ranges: [number, number][], newRange: [number, number]): [number, number][] {\n let inRange = false;\n for (let i = 0; i < ranges.length; i++) {\n const range = ranges[i];\n if (!inRange) {\n if (newRange[1] <= range[0]) {\n // Case 1: New range is before the search range\n ranges.splice(i, 0, newRange);\n return ranges;\n }\n\n if (newRange[1] <= range[1]) {\n // Case 2: New range is either wholly contained within the\n // search range or overlaps with the front of it\n range[0] = Math.min(newRange[0], range[0]);\n return ranges;\n }\n\n if (newRange[0] < range[1]) {\n // Case 3: New range either wholly contains the search range\n // or overlaps with the end of it\n range[0] = Math.min(newRange[0], range[0]);\n inRange = true;\n }\n\n // Case 4: New range starts after the search range\n continue;\n } else {\n if (newRange[1] <= range[0]) {\n // Case 5: New range extends from previous range but doesn't\n // reach the current one\n ranges[i - 1][1] = newRange[1];\n return ranges;\n }\n\n if (newRange[1] <= range[1]) {\n // Case 6: New range extends from prvious range into the\n // current range\n ranges[i - 1][1] = Math.max(newRange[1], range[1]);\n ranges.splice(i, 1);\n inRange = false;\n return ranges;\n }\n\n // Case 7: New range extends from previous range past the\n // end of the current range\n ranges.splice(i, 1);\n i--;\n }\n }\n\n if (inRange) {\n // Case 8: New range extends past the last existing range\n ranges[ranges.length - 1][1] = newRange[1];\n } else {\n // Case 9: New range starts after the last existing range\n ranges.push(newRange);\n }\n\n return ranges;\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IRenderLayer, IColorSet, IRenderDimensions } from './Types';\nimport { ITerminal, ICellData } from '../Types';\nimport { DIM_OPACITY, INVERTED_DEFAULT_COLOR, IGlyphIdentifier, DEFAULT_COLOR } from './atlas/Types';\nimport BaseCharAtlas from './atlas/BaseCharAtlas';\nimport { acquireCharAtlas } from './atlas/CharAtlasCache';\nimport { CellData, AttributeData } from '../BufferLine';\nimport { WHITESPACE_CELL_CHAR, WHITESPACE_CELL_CODE } from '../Buffer';\nimport { JoinedCellData } from './CharacterJoinerRegistry';\n\nexport abstract class BaseRenderLayer implements IRenderLayer {\n private _canvas: HTMLCanvasElement;\n protected _ctx: CanvasRenderingContext2D;\n private _scaledCharWidth: number = 0;\n private _scaledCharHeight: number = 0;\n private _scaledCellWidth: number = 0;\n private _scaledCellHeight: number = 0;\n private _scaledCharLeft: number = 0;\n private _scaledCharTop: number = 0;\n\n protected _charAtlas: BaseCharAtlas;\n\n /**\n * An object that's reused when drawing glyphs in order to reduce GC.\n */\n private _currentGlyphIdentifier: IGlyphIdentifier = {\n chars: '',\n code: 0,\n bg: 0,\n fg: 0,\n bold: false,\n dim: false,\n italic: false\n };\n\n constructor(\n private _container: HTMLElement,\n id: string,\n zIndex: number,\n private _alpha: boolean,\n protected _colors: IColorSet\n ) {\n this._canvas = document.createElement('canvas');\n this._canvas.classList.add(`xterm-${id}-layer`);\n this._canvas.style.zIndex = zIndex.toString();\n this._initCanvas();\n this._container.appendChild(this._canvas);\n }\n\n public dispose(): void {\n this._container.removeChild(this._canvas);\n if (this._charAtlas) {\n this._charAtlas.dispose();\n }\n }\n\n private _initCanvas(): void {\n this._ctx = this._canvas.getContext('2d', {alpha: this._alpha});\n // Draw the background if this is an opaque layer\n if (!this._alpha) {\n this.clearAll();\n }\n }\n\n public onOptionsChanged(terminal: ITerminal): void {}\n public onBlur(terminal: ITerminal): void {}\n public onFocus(terminal: ITerminal): void {}\n public onCursorMove(terminal: ITerminal): void {}\n public onGridChanged(terminal: ITerminal, startRow: number, endRow: number): void {}\n public onSelectionChanged(terminal: ITerminal, start: [number, number], end: [number, number], columnSelectMode: boolean = false): void {}\n\n public onThemeChanged(terminal: ITerminal, colorSet: IColorSet): void {\n this._refreshCharAtlas(terminal, colorSet);\n }\n\n protected setTransparency(terminal: ITerminal, alpha: boolean): void {\n // Do nothing when alpha doesn't change\n if (alpha === this._alpha) {\n return;\n }\n\n // Create new canvas and replace old one\n const oldCanvas = this._canvas;\n this._alpha = alpha;\n // Cloning preserves properties\n this._canvas = <HTMLCanvasElement>this._canvas.cloneNode();\n this._initCanvas();\n this._container.replaceChild(this._canvas, oldCanvas);\n\n // Regenerate char atlas and force a full redraw\n this._refreshCharAtlas(terminal, this._colors);\n this.onGridChanged(terminal, 0, terminal.rows - 1);\n }\n\n /**\n * Refreshes the char atlas, aquiring a new one if necessary.\n * @param terminal The terminal.\n * @param colorSet The color set to use for the char atlas.\n */\n private _refreshCharAtlas(terminal: ITerminal, colorSet: IColorSet): void {\n if (this._scaledCharWidth <= 0 && this._scaledCharHeight <= 0) {\n return;\n }\n this._charAtlas = acquireCharAtlas(terminal, colorSet, this._scaledCharWidth, this._scaledCharHeight);\n this._charAtlas.warmUp();\n }\n\n public resize(terminal: ITerminal, dim: IRenderDimensions): void {\n this._scaledCellWidth = dim.scaledCellWidth;\n this._scaledCellHeight = dim.scaledCellHeight;\n this._scaledCharWidth = dim.scaledCharWidth;\n this._scaledCharHeight = dim.scaledCharHeight;\n this._scaledCharLeft = dim.scaledCharLeft;\n this._scaledCharTop = dim.scaledCharTop;\n this._canvas.width = dim.scaledCanvasWidth;\n this._canvas.height = dim.scaledCanvasHeight;\n this._canvas.style.width = `${dim.canvasWidth}px`;\n this._canvas.style.height = `${dim.canvasHeight}px`;\n\n // Draw the background if this is an opaque layer\n if (!this._alpha) {\n this.clearAll();\n }\n\n this._refreshCharAtlas(terminal, this._colors);\n }\n\n public abstract reset(terminal: ITerminal): void;\n\n /**\n * Fills 1+ cells completely. This uses the existing fillStyle on the context.\n * @param x The column to start at.\n * @param y The row to start at\n * @param width The number of columns to fill.\n * @param height The number of rows to fill.\n */\n protected fillCells(x: number, y: number, width: number, height: number): void {\n this._ctx.fillRect(\n x * this._scaledCellWidth,\n y * this._scaledCellHeight,\n width * this._scaledCellWidth,\n height * this._scaledCellHeight);\n }\n\n /**\n * Fills a 1px line (2px on HDPI) at the bottom of the cell. This uses the\n * existing fillStyle on the context.\n * @param x The column to fill.\n * @param y The row to fill.\n */\n protected fillBottomLineAtCells(x: number, y: number, width: number = 1): void {\n this._ctx.fillRect(\n x * this._scaledCellWidth,\n (y + 1) * this._scaledCellHeight - window.devicePixelRatio - 1 /* Ensure it's drawn within the cell */,\n width * this._scaledCellWidth,\n window.devicePixelRatio);\n }\n\n /**\n * Fills a 1px line (2px on HDPI) at the left of the cell. This uses the\n * existing fillStyle on the context.\n * @param x The column to fill.\n * @param y The row to fill.\n */\n protected fillLeftLineAtCell(x: number, y: number): void {\n this._ctx.fillRect(\n x * this._scaledCellWidth,\n y * this._scaledCellHeight,\n window.devicePixelRatio,\n this._scaledCellHeight);\n }\n\n /**\n * Strokes a 1px rectangle (2px on HDPI) around a cell. This uses the existing\n * strokeStyle on the context.\n * @param x The column to fill.\n * @param y The row to fill.\n */\n protected strokeRectAtCell(x: number, y: number, width: number, height: number): void {\n this._ctx.lineWidth = window.devicePixelRatio;\n this._ctx.strokeRect(\n x * this._scaledCellWidth + window.devicePixelRatio / 2,\n y * this._scaledCellHeight + (window.devicePixelRatio / 2),\n width * this._scaledCellWidth - window.devicePixelRatio,\n (height * this._scaledCellHeight) - window.devicePixelRatio);\n }\n\n /**\n * Clears the entire canvas.\n */\n protected clearAll(): void {\n if (this._alpha) {\n this._ctx.clearRect(0, 0, this._canvas.width, this._canvas.height);\n } else {\n this._ctx.fillStyle = this._colors.background.css;\n this._ctx.fillRect(0, 0, this._canvas.width, this._canvas.height);\n }\n }\n\n /**\n * Clears 1+ cells completely.\n * @param x The column to start at.\n * @param y The row to start at.\n * @param width The number of columns to clear.\n * @param height The number of rows to clear.\n */\n protected clearCells(x: number, y: number, width: number, height: number): void {\n if (this._alpha) {\n this._ctx.clearRect(\n x * this._scaledCellWidth,\n y * this._scaledCellHeight,\n width * this._scaledCellWidth,\n height * this._scaledCellHeight);\n } else {\n this._ctx.fillStyle = this._colors.background.css;\n this._ctx.fillRect(\n x * this._scaledCellWidth,\n y * this._scaledCellHeight,\n width * this._scaledCellWidth,\n height * this._scaledCellHeight);\n }\n }\n\n /**\n * Draws a truecolor character at the cell. The character will be clipped to\n * ensure that it fits with the cell, including the cell to the right if it's\n * a wide character. This uses the existing fillStyle on the context.\n * @param terminal The terminal.\n * @param cell The cell data for the character to draw.\n * @param x The column to draw at.\n * @param y The row to draw at.\n * @param color The color of the character.\n */\n protected fillCharTrueColor(terminal: ITerminal, cell: CellData, x: number, y: number): void {\n this._ctx.font = this._getFont(terminal, false, false);\n this._ctx.textBaseline = 'middle';\n this._clipRow(terminal, y);\n this._ctx.fillText(\n cell.getChars(),\n x * this._scaledCellWidth + this._scaledCharLeft,\n y * this._scaledCellHeight + this._scaledCharTop + this._scaledCharHeight / 2);\n }\n\n /**\n * Draws one or more characters at a cell. If possible this will draw using\n * the character atlas to reduce draw time.\n * @param terminal The terminal.\n * @param chars The character or characters.\n * @param code The character code.\n * @param width The width of the characters.\n * @param x The column to draw at.\n * @param y The row to draw at.\n * @param fg The foreground color, in the format stored within the attributes.\n * @param bg The background color, in the format stored within the attributes.\n * This is used to validate whether a cached image can be used.\n * @param bold Whether the text is bold.\n */\n protected drawChars(terminal: ITerminal, cell: ICellData, x: number, y: number): void {\n\n // skip cache right away if we draw in RGB\n // Note: to avoid bad runtime JoinedCellData will be skipped\n // in the cache handler (atlasDidDraw == false) itself and\n // fall through to uncached later down below\n if (cell.isFgRGB() || cell.isBgRGB() || cell instanceof JoinedCellData) {\n this._drawUncachedChars(terminal, cell, x, y);\n return;\n }\n\n let fg;\n let bg;\n if (cell.isInverse()) {\n fg = (cell.isBgDefault()) ? INVERTED_DEFAULT_COLOR : cell.getBgColor();\n bg = (cell.isFgDefault()) ? INVERTED_DEFAULT_COLOR : cell.getFgColor();\n } else {\n bg = (cell.isBgDefault()) ? DEFAULT_COLOR : cell.getBgColor();\n fg = (cell.isFgDefault()) ? DEFAULT_COLOR : cell.getFgColor();\n }\n\n const drawInBrightColor = terminal.options.drawBoldTextInBrightColors && cell.isBold() && fg < 8 && fg !== INVERTED_DEFAULT_COLOR;\n\n fg += drawInBrightColor ? 8 : 0;\n this._currentGlyphIdentifier.chars = cell.getChars() || WHITESPACE_CELL_CHAR;\n this._currentGlyphIdentifier.code = cell.getCode() || WHITESPACE_CELL_CODE;\n this._currentGlyphIdentifier.bg = bg;\n this._currentGlyphIdentifier.fg = fg;\n this._currentGlyphIdentifier.bold = cell.isBold() && terminal.options.enableBold;\n this._currentGlyphIdentifier.dim = !!cell.isDim();\n this._currentGlyphIdentifier.italic = !!cell.isItalic();\n const atlasDidDraw = this._charAtlas && this._charAtlas.draw(\n this._ctx,\n this._currentGlyphIdentifier,\n x * this._scaledCellWidth + this._scaledCharLeft,\n y * this._scaledCellHeight + this._scaledCharTop\n );\n\n if (!atlasDidDraw) {\n this._drawUncachedChars(terminal, cell, x, y);\n }\n }\n\n /**\n * Draws one or more characters at one or more cells. The character(s) will be\n * clipped to ensure that they fit with the cell(s), including the cell to the\n * right if the last character is a wide character.\n * @param terminal The terminal.\n * @param chars The character.\n * @param width The width of the character.\n * @param fg The foreground color, in the format stored within the attributes.\n * @param x The column to draw at.\n * @param y The row to draw at.\n */\n private _drawUncachedChars(terminal: ITerminal, cell: ICellData, x: number, y: number): void {\n this._ctx.save();\n this._ctx.font = this._getFont(terminal, cell.isBold() && terminal.options.enableBold, !!cell.isItalic());\n this._ctx.textBaseline = 'middle';\n\n if (cell.isInverse()) {\n if (cell.isBgDefault()) {\n this._ctx.fillStyle = this._colors.background.css;\n } else if (cell.isBgRGB()) {\n this._ctx.fillStyle = `rgb(${AttributeData.toColorRGB(cell.getBgColor()).join(',')})`;\n } else {\n this._ctx.fillStyle = this._colors.ansi[cell.getBgColor()].css;\n }\n } else {\n if (cell.isFgDefault()) {\n this._ctx.fillStyle = this._colors.foreground.css;\n } else if (cell.isFgRGB()) {\n this._ctx.fillStyle = `rgb(${AttributeData.toColorRGB(cell.getFgColor()).join(',')})`;\n } else {\n let fg = cell.getFgColor();\n if (terminal.options.drawBoldTextInBrightColors && cell.isBold() && fg < 8) {\n fg += 8;\n }\n this._ctx.fillStyle = this._colors.ansi[fg].css;\n }\n }\n\n this._clipRow(terminal, y);\n\n // Apply alpha to dim the character\n if (cell.isDim()) {\n this._ctx.globalAlpha = DIM_OPACITY;\n }\n // Draw the character\n this._ctx.fillText(\n cell.getChars(),\n x * this._scaledCellWidth + this._scaledCharLeft,\n y * this._scaledCellHeight + this._scaledCharTop + this._scaledCharHeight / 2);\n this._ctx.restore();\n }\n\n /**\n * Clips a row to ensure no pixels will be drawn outside the cells in the row.\n * @param terminal The terminal.\n * @param y The row to clip.\n */\n private _clipRow(terminal: ITerminal, y: number): void {\n this._ctx.beginPath();\n this._ctx.rect(\n 0,\n y * this._scaledCellHeight,\n terminal.cols * this._scaledCellWidth,\n this._scaledCellHeight);\n this._ctx.clip();\n }\n\n /**\n * Gets the current font.\n * @param terminal The terminal.\n * @param isBold If we should use the bold fontWeight.\n */\n protected _getFont(terminal: ITerminal, isBold: boolean, isItalic: boolean): string {\n const fontWeight = isBold ? terminal.options.fontWeightBold : terminal.options.fontWeight;\n const fontStyle = isItalic ? 'italic' : '';\n\n return `${fontStyle} ${fontWeight} ${terminal.options.fontSize * window.devicePixelRatio}px ${terminal.options.fontFamily}`;\n }\n}\n\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { Terminal as ITerminalApi, ITerminalOptions, IMarker, IDisposable, ILinkMatcherOptions, ITheme, ILocalizableStrings } from 'xterm';\nimport { ITerminal } from '../Types';\nimport { Terminal as TerminalCore } from '../Terminal';\nimport * as Strings from '../Strings';\nimport { IEvent } from '../common/EventEmitter2';\n\nexport class Terminal implements ITerminalApi {\n private _core: ITerminal;\n\n constructor(options?: ITerminalOptions) {\n this._core = new TerminalCore(options);\n }\n\n public get onCursorMove(): IEvent<void> { return this._core.onCursorMove; }\n public get onLineFeed(): IEvent<void> { return this._core.onLineFeed; }\n public get onSelectionChange(): IEvent<void> { return this._core.onSelectionChange; }\n public get onData(): IEvent<string> { return this._core.onData; }\n public get onTitleChange(): IEvent<string> { return this._core.onTitleChange; }\n public get onScroll(): IEvent<number> { return this._core.onScroll; }\n public get onKey(): IEvent<{ key: string, domEvent: KeyboardEvent }> { return this._core.onKey; }\n public get onRender(): IEvent<{ start: number, end: number }> { return this._core.onRender; }\n public get onResize(): IEvent<{ cols: number, rows: number }> { return this._core.onResize; }\n\n public get element(): HTMLElement { return this._core.element; }\n public get textarea(): HTMLTextAreaElement { return this._core.textarea; }\n public get rows(): number { return this._core.rows; }\n public get cols(): number { return this._core.cols; }\n public get markers(): ReadonlyArray<IMarker> { return this._core.markers; }\n public blur(): void {\n this._core.blur();\n }\n public focus(): void {\n this._core.focus();\n }\n public on(type: 'blur' | 'focus' | 'linefeed' | 'selection', listener: () => void): void;\n public on(type: 'data', listener: (...args: any[]) => void): void;\n public on(type: 'key', listener: (key?: string, event?: KeyboardEvent) => void): void;\n public on(type: 'keypress' | 'keydown', listener: (event?: KeyboardEvent) => void): void;\n public on(type: 'refresh', listener: (data?: { start: number; end: number; }) => void): void;\n public on(type: 'resize', listener: (data?: { cols: number; rows: number; }) => void): void;\n public on(type: 'scroll', listener: (ydisp?: number) => void): void;\n public on(type: 'title', listener: (title?: string) => void): void;\n public on(type: string, listener: (...args: any[]) => void): void;\n public on(type: any, listener: any): void {\n this._core.on(type, listener);\n }\n public off(type: string, listener: (...args: any[]) => void): void {\n this._core.off(type, listener);\n }\n public emit(type: string, data?: any): void {\n this._core.emit(type, data);\n }\n public addDisposableListener(type: string, handler: (...args: any[]) => void): IDisposable {\n return this._core.addDisposableListener(type, handler);\n }\n public resize(columns: number, rows: number): void {\n this._core.resize(columns, rows);\n }\n public writeln(data: string): void {\n this._core.writeln(data);\n }\n public open(parent: HTMLElement): void {\n this._core.open(parent);\n }\n public attachCustomKeyEventHandler(customKeyEventHandler: (event: KeyboardEvent) => boolean): void {\n this._core.attachCustomKeyEventHandler(customKeyEventHandler);\n }\n public addCsiHandler(flag: string, callback: (params: number[], collect: string) => boolean): IDisposable {\n return this._core.addCsiHandler(flag, callback);\n }\n public addOscHandler(ident: number, callback: (data: string) => boolean): IDisposable {\n return this._core.addOscHandler(ident, callback);\n }\n public registerLinkMatcher(regex: RegExp, handler: (event: MouseEvent, uri: string) => void, options?: ILinkMatcherOptions): number {\n return this._core.registerLinkMatcher(regex, handler, options);\n }\n public deregisterLinkMatcher(matcherId: number): void {\n this._core.deregisterLinkMatcher(matcherId);\n }\n public registerCharacterJoiner(handler: (text: string) => [number, number][]): number {\n return this._core.registerCharacterJoiner(handler);\n }\n public deregisterCharacterJoiner(joinerId: number): void {\n this._core.deregisterCharacterJoiner(joinerId);\n }\n public addMarker(cursorYOffset: number): IMarker {\n return this._core.addMarker(cursorYOffset);\n }\n public hasSelection(): boolean {\n return this._core.hasSelection();\n }\n public getSelection(): string {\n return this._core.getSelection();\n }\n public clearSelection(): void {\n this._core.clearSelection();\n }\n public selectAll(): void {\n this._core.selectAll();\n }\n public selectLines(start: number, end: number): void {\n this._core.selectLines(start, end);\n }\n public dispose(): void {\n this._core.dispose();\n }\n public destroy(): void {\n this._core.destroy();\n }\n public scrollLines(amount: number): void {\n this._core.scrollLines(amount);\n }\n public scrollPages(pageCount: number): void {\n this._core.scrollPages(pageCount);\n }\n public scrollToTop(): void {\n this._core.scrollToTop();\n }\n public scrollToBottom(): void {\n this._core.scrollToBottom();\n }\n public scrollToLine(line: number): void {\n this._core.scrollToLine(line);\n }\n public clear(): void {\n this._core.clear();\n }\n public write(data: string): void {\n this._core.write(data);\n }\n public getOption(key: 'bellSound' | 'bellStyle' | 'cursorStyle' | 'fontFamily' | 'fontWeight' | 'fontWeightBold' | 'rendererType' | 'termName'): string;\n public getOption(key: 'allowTransparency' | 'cancelEvents' | 'convertEol' | 'cursorBlink' | 'debug' | 'disableStdin' | 'enableBold' | 'macOptionIsMeta' | 'rightClickSelectsWord' | 'popOnBell' | 'screenKeys' | 'useFlowControl' | 'visualBell'): boolean;\n public getOption(key: 'colors'): string[];\n public getOption(key: 'cols' | 'fontSize' | 'letterSpacing' | 'lineHeight' | 'rows' | 'tabStopWidth' | 'scrollback'): number;\n public getOption(key: 'handler'): (data: string) => void;\n public getOption(key: string): any;\n public getOption(key: any): any {\n return this._core.getOption(key);\n }\n public setOption(key: 'bellSound' | 'fontFamily' | 'termName', value: string): void;\n public setOption(key: 'fontWeight' | 'fontWeightBold', value: 'normal' | 'bold' | '100' | '200' | '300' | '400' | '500' | '600' | '700' | '800' | '900'): void;\n public setOption(key: 'bellStyle', value: 'none' | 'visual' | 'sound' | 'both'): void;\n public setOption(key: 'cursorStyle', value: 'block' | 'underline' | 'bar'): void;\n public setOption(key: 'allowTransparency' | 'cancelEvents' | 'convertEol' | 'cursorBlink' | 'debug' | 'disableStdin' | 'enableBold' | 'macOptionIsMeta' | 'rightClickSelectsWord' | 'popOnBell' | 'screenKeys' | 'useFlowControl' | 'visualBell', value: boolean): void;\n public setOption(key: 'colors', value: string[]): void;\n public setOption(key: 'fontSize' | 'letterSpacing' | 'lineHeight' | 'tabStopWidth' | 'scrollback', value: number): void;\n public setOption(key: 'handler', value: (data: string) => void): void;\n public setOption(key: 'theme', value: ITheme): void;\n public setOption(key: 'cols' | 'rows', value: number): void;\n public setOption(key: string, value: any): void;\n public setOption(key: any, value: any): void {\n this._core.setOption(key, value);\n }\n public refresh(start: number, end: number): void {\n this._core.refresh(start, end);\n }\n public reset(): void {\n this._core.reset();\n }\n public static applyAddon(addon: any): void {\n addon.apply(Terminal);\n }\n public static get strings(): ILocalizableStrings {\n return Strings;\n }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ITerminal, IBufferLine } from '../Types';\nimport { ICircularList } from '../common/Types';\nimport { C0 } from '../common/data/EscapeSequences';\n\nconst enum Direction {\n UP = 'A',\n DOWN = 'B',\n RIGHT = 'C',\n LEFT = 'D'\n}\n\nexport class AltClickHandler {\n private _startRow: number;\n private _startCol: number;\n private _endRow: number;\n private _endCol: number;\n private _lines: ICircularList<IBufferLine>;\n\n constructor(\n private _mouseEvent: MouseEvent,\n private _terminal: ITerminal\n ) {\n this._lines = this._terminal.buffer.lines;\n this._startCol = this._terminal.buffer.x;\n this._startRow = this._terminal.buffer.y;\n\n const coordinates = this._terminal.mouseHelper.getCoords(\n this._mouseEvent,\n this._terminal.element,\n this._terminal.charMeasure,\n this._terminal.cols,\n this._terminal.rows,\n false\n );\n\n if (coordinates) {\n [this._endCol, this._endRow] = coordinates.map((coordinate: number) => {\n return coordinate - 1;\n });\n }\n }\n\n /**\n * Writes the escape sequences of arrows to the terminal\n */\n public move(): void {\n if (this._mouseEvent.altKey && this._endCol !== undefined && this._endRow !== undefined) {\n this._terminal.handler(this._arrowSequences());\n }\n }\n\n /**\n * Concatenates all the arrow sequences together.\n * Resets the starting row to an unwrapped row, moves to the requested row,\n * then moves to requested col.\n */\n private _arrowSequences(): string {\n // The alt buffer should try to navigate between rows\n if (!this._terminal.buffer.hasScrollback) {\n return this._resetStartingRow() + this._moveToRequestedRow() + this._moveToRequestedCol();\n }\n\n // Only move horizontally for the normal buffer\n return this._moveHorizontallyOnly();\n }\n\n /**\n * If the initial position of the cursor is on a row that is wrapped, move the\n * cursor up to the first row that is not wrapped to have accurate vertical\n * positioning.\n */\n private _resetStartingRow(): string {\n if (this._moveToRequestedRow().length === 0) {\n return '';\n }\n return repeat(this._bufferLine(\n this._startCol, this._startRow, this._startCol,\n this._startRow - this._wrappedRowsForRow(this._startRow), false\n ).length, this._sequence(Direction.LEFT));\n }\n\n /**\n * Using the reset starting and ending row, move to the requested row,\n * ignoring wrapped rows\n */\n private _moveToRequestedRow(): string {\n const startRow = this._startRow - this._wrappedRowsForRow(this._startRow);\n const endRow = this._endRow - this._wrappedRowsForRow(this._endRow);\n\n const rowsToMove = Math.abs(startRow - endRow) - this._wrappedRowsCount();\n\n return repeat(rowsToMove, this._sequence(this._verticalDirection()));\n }\n\n /**\n * Move to the requested col on the ending row\n */\n private _moveToRequestedCol(): string {\n let startRow;\n if (this._moveToRequestedRow().length > 0) {\n startRow = this._endRow - this._wrappedRowsForRow(this._endRow);\n } else {\n startRow = this._startRow;\n }\n\n const endRow = this._endRow;\n const direction = this._horizontalDirection();\n\n return repeat(this._bufferLine(\n this._startCol, startRow, this._endCol, endRow,\n direction === Direction.RIGHT\n ).length, this._sequence(direction));\n }\n\n private _moveHorizontallyOnly(): string {\n const direction = this._horizontalDirection();\n return repeat(Math.abs(this._startCol - this._endCol), this._sequence(direction));\n }\n\n /**\n * Utility functions\n */\n\n /**\n * Calculates the number of wrapped rows between the unwrapped starting and\n * ending rows. These rows need to ignored since the cursor skips over them.\n */\n private _wrappedRowsCount(): number {\n let wrappedRows = 0;\n const startRow = this._startRow - this._wrappedRowsForRow(this._startRow);\n const endRow = this._endRow - this._wrappedRowsForRow(this._endRow);\n\n for (let i = 0; i < Math.abs(startRow - endRow); i++) {\n const direction = this._verticalDirection() === Direction.UP ? -1 : 1;\n\n if (this._lines.get(startRow + (direction * i)).isWrapped) {\n wrappedRows++;\n }\n }\n\n return wrappedRows;\n }\n\n /**\n * Calculates the number of wrapped rows that make up a given row.\n * @param currentRow The row to determine how many wrapped rows make it up\n */\n private _wrappedRowsForRow(currentRow: number): number {\n let rowCount = 0;\n let lineWraps = this._lines.get(currentRow).isWrapped;\n\n while (lineWraps && currentRow >= 0 && currentRow < this._terminal.rows) {\n rowCount++;\n currentRow--;\n lineWraps = this._lines.get(currentRow).isWrapped;\n }\n\n return rowCount;\n }\n\n /**\n * Direction determiners\n */\n\n /**\n * Determines if the right or left arrow is needed\n */\n private _horizontalDirection(): Direction {\n let startRow;\n if (this._moveToRequestedRow().length > 0) {\n startRow = this._endRow - this._wrappedRowsForRow(this._endRow);\n } else {\n startRow = this._startRow;\n }\n\n if ((this._startCol < this._endCol &&\n startRow <= this._endRow) || // down/right or same y/right\n (this._startCol >= this._endCol &&\n startRow < this._endRow)) { // down/left or same y/left\n return Direction.RIGHT;\n }\n return Direction.LEFT;\n }\n\n /**\n * Determines if the up or down arrow is needed\n */\n private _verticalDirection(): Direction {\n if (this._startRow > this._endRow) {\n return Direction.UP;\n }\n return Direction.DOWN;\n }\n\n /**\n * Constructs the string of chars in the buffer from a starting row and col\n * to an ending row and col\n * @param startCol The starting column position\n * @param startRow The starting row position\n * @param endCol The ending column position\n * @param endRow The ending row position\n * @param forward Direction to move\n */\n private _bufferLine(\n startCol: number,\n startRow: number,\n endCol: number,\n endRow: number,\n forward: boolean\n ): string {\n let currentCol = startCol;\n let currentRow = startRow;\n let bufferStr = '';\n\n while (currentCol !== endCol || currentRow !== endRow) {\n currentCol += forward ? 1 : -1;\n\n if (forward && currentCol > this._terminal.cols - 1) {\n bufferStr += this._terminal.buffer.translateBufferLineToString(\n currentRow, false, startCol, currentCol\n );\n currentCol = 0;\n startCol = 0;\n currentRow++;\n } else if (!forward && currentCol < 0) {\n bufferStr += this._terminal.buffer.translateBufferLineToString(\n currentRow, false, 0, startCol + 1\n );\n currentCol = this._terminal.cols - 1;\n startCol = currentCol;\n currentRow--;\n }\n }\n\n return bufferStr + this._terminal.buffer.translateBufferLineToString(\n currentRow, false, startCol, currentCol\n );\n }\n\n /**\n * Constructs the escape sequence for clicking an arrow\n * @param direction The direction to move\n */\n private _sequence(direction: Direction): string {\n const mod = this._terminal.applicationCursor ? 'O' : '[';\n return C0.ESC + mod + direction;\n }\n}\n\n/**\n * Returns a string repeated a given number of times\n * Polyfill from https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/repeat\n * @param count The number of times to repeat the string\n * @param string The string that is to be repeated\n */\nfunction repeat(count: number, str: string): string {\n count = Math.floor(count);\n let rpt = '';\n for (let i = 0; i < count; i++) {\n rpt += str;\n }\n return rpt;\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\n/**\n * StringToUtf32 - decodes UTF16 sequences into UTF32 codepoints.\n * To keep the decoder in line with JS strings it handles single surrogates as UCS2.\n */\nexport class StringToUtf32 {\n private _interim: number = 0;\n\n /**\n * Clears interim and resets decoder to clean state.\n */\n public clear(): void {\n this._interim = 0;\n }\n\n /**\n * Decode JS string to UTF32 codepoints.\n * The methods assumes stream input and will store partly transmitted\n * surrogate pairs and decode them with the next data chunk.\n * Note: The method does no bound checks for target, therefore make sure\n * the provided input data does not exceed the size of `target`.\n * Returns the number of written codepoints in `target`.\n */\n decode(input: string, target: Uint32Array): number {\n const length = input.length;\n\n if (!length) {\n return 0;\n }\n\n let size = 0;\n let startPos = 0;\n\n // handle leftover surrogate high\n if (this._interim) {\n const second = input.charCodeAt(startPos++);\n if (0xDC00 <= second && second <= 0xDFFF) {\n target[size++] = (this._interim - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;\n } else {\n // illegal codepoint (USC2 handling)\n target[size++] = this._interim;\n target[size++] = second;\n }\n this._interim = 0;\n }\n\n for (let i = startPos; i < length; ++i) {\n const code = input.charCodeAt(i);\n // surrogate pair first\n if (0xD800 <= code && code <= 0xDBFF) {\n if (++i >= length) {\n this._interim = code;\n return size;\n }\n const second = input.charCodeAt(i);\n if (0xDC00 <= second && second <= 0xDFFF) {\n target[size++] = (code - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;\n } else {\n // illegal codepoint (USC2 handling)\n target[size++] = code;\n target[size++] = second;\n }\n continue;\n }\n target[size++] = code;\n }\n return size;\n }\n}\n\n/**\n * Convert UTF32 codepoint into JS string.\n */\nexport function stringFromCodePoint(codePoint: number): string {\n if (codePoint > 0xFFFF) {\n // UTF32 to UTF16 conversion (see comments in utf32ToString)\n codePoint -= 0x10000;\n return String.fromCharCode((codePoint >> 10) + 0xD800) + String.fromCharCode((codePoint % 0x400) + 0xDC00);\n }\n return String.fromCharCode(codePoint);\n}\n\n/**\n * Convert UTF32 char codes into JS string.\n * Basically the same as `stringFromCodePoint` but for multiple codepoints\n * in a loop (which is a lot faster).\n */\nexport function utf32ToString(data: Uint32Array, start: number = 0, end: number = data.length): string {\n let result = '';\n for (let i = start; i < end; ++i) {\n let codepoint = data[i];\n if (codepoint > 0xFFFF) {\n // JS string are encoded as UTF16, thus a non BMP codepoint gets converted into a surrogate pair\n // conversion rules:\n // - subtract 0x10000 from code point, leaving a 20 bit number\n // - add high 10 bits to 0xD800 --> first surrogate\n // - add low 10 bits to 0xDC00 --> second surrogate\n codepoint -= 0x10000;\n result += String.fromCharCode((codepoint >> 10) + 0xD800) + String.fromCharCode((codepoint % 0x400) + 0xDC00);\n } else {\n result += String.fromCharCode(codepoint);\n }\n }\n return result;\n}\n","/**\n * Copyright (c) 2014 The xterm.js authors. All rights reserved.\n * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)\n * @license MIT\n */\n\nimport { IKeyboardEvent } from '../../common/Types';\nimport { IKeyboardResult, KeyboardResultType } from '../Types';\nimport { C0 } from '../../common/data/EscapeSequences';\n\n// reg + shift key mappings for digits and special chars\nconst KEYCODE_KEY_MAPPINGS: { [key: number]: [string, string]} = {\n // digits 0-9\n 48: ['0', ')'],\n 49: ['1', '!'],\n 50: ['2', '@'],\n 51: ['3', '#'],\n 52: ['4', '$'],\n 53: ['5', '%'],\n 54: ['6', '^'],\n 55: ['7', '&'],\n 56: ['8', '*'],\n 57: ['9', '('],\n\n // special chars\n 186: [';', ':'],\n 187: ['=', '+'],\n 188: [',', '<'],\n 189: ['-', '_'],\n 190: ['.', '>'],\n 191: ['/', '?'],\n 192: ['`', '~'],\n 219: ['[', '{'],\n 220: ['\\\\', '|'],\n 221: [']', '}'],\n 222: ['\\'', '\"']\n};\n\nexport function evaluateKeyboardEvent(\n ev: IKeyboardEvent,\n applicationCursorMode: boolean,\n isMac: boolean,\n macOptionIsMeta: boolean\n): IKeyboardResult {\n const result: IKeyboardResult = {\n type: KeyboardResultType.SEND_KEY,\n // Whether to cancel event propagation (NOTE: this may not be needed since the event is\n // canceled at the end of keyDown\n cancel: false,\n // The new key even to emit\n key: undefined\n };\n const modifiers = (ev.shiftKey ? 1 : 0) | (ev.altKey ? 2 : 0) | (ev.ctrlKey ? 4 : 0) | (ev.metaKey ? 8 : 0);\n switch (ev.keyCode) {\n case 0:\n if (ev.key === 'UIKeyInputUpArrow') {\n if (applicationCursorMode) {\n result.key = C0.ESC + 'OA';\n } else {\n result.key = C0.ESC + '[A';\n }\n }\n else if (ev.key === 'UIKeyInputLeftArrow') {\n if (applicationCursorMode) {\n result.key = C0.ESC + 'OD';\n } else {\n result.key = C0.ESC + '[D';\n }\n }\n else if (ev.key === 'UIKeyInputRightArrow') {\n if (applicationCursorMode) {\n result.key = C0.ESC + 'OC';\n } else {\n result.key = C0.ESC + '[C';\n }\n }\n else if (ev.key === 'UIKeyInputDownArrow') {\n if (applicationCursorMode) {\n result.key = C0.ESC + 'OB';\n } else {\n result.key = C0.ESC + '[B';\n }\n }\n break;\n case 8:\n // backspace\n if (ev.shiftKey) {\n result.key = C0.BS; // ^H\n break;\n } else if (ev.altKey) {\n result.key = C0.ESC + C0.DEL; // \\e ^?\n break;\n }\n result.key = C0.DEL; // ^?\n break;\n case 9:\n // tab\n if (ev.shiftKey) {\n result.key = C0.ESC + '[Z';\n break;\n }\n result.key = C0.HT;\n result.cancel = true;\n break;\n case 13:\n // return/enter\n result.key = C0.CR;\n result.cancel = true;\n break;\n case 27:\n // escape\n result.key = C0.ESC;\n result.cancel = true;\n break;\n case 37:\n // left-arrow\n if (modifiers) {\n result.key = C0.ESC + '[1;' + (modifiers + 1) + 'D';\n // HACK: Make Alt + left-arrow behave like Ctrl + left-arrow: move one word backwards\n // http://unix.stackexchange.com/a/108106\n // macOS uses different escape sequences than linux\n if (result.key === C0.ESC + '[1;3D') {\n result.key = isMac ? C0.ESC + 'b' : C0.ESC + '[1;5D';\n }\n } else if (applicationCursorMode) {\n result.key = C0.ESC + 'OD';\n } else {\n result.key = C0.ESC + '[D';\n }\n break;\n case 39:\n // right-arrow\n if (modifiers) {\n result.key = C0.ESC + '[1;' + (modifiers + 1) + 'C';\n // HACK: Make Alt + right-arrow behave like Ctrl + right-arrow: move one word forward\n // http://unix.stackexchange.com/a/108106\n // macOS uses different escape sequences than linux\n if (result.key === C0.ESC + '[1;3C') {\n result.key = isMac ? C0.ESC + 'f' : C0.ESC + '[1;5C';\n }\n } else if (applicationCursorMode) {\n result.key = C0.ESC + 'OC';\n } else {\n result.key = C0.ESC + '[C';\n }\n break;\n case 38:\n // up-arrow\n if (modifiers) {\n result.key = C0.ESC + '[1;' + (modifiers + 1) + 'A';\n // HACK: Make Alt + up-arrow behave like Ctrl + up-arrow\n // http://unix.stackexchange.com/a/108106\n if (result.key === C0.ESC + '[1;3A') {\n result.key = C0.ESC + '[1;5A';\n }\n } else if (applicationCursorMode) {\n result.key = C0.ESC + 'OA';\n } else {\n result.key = C0.ESC + '[A';\n }\n break;\n case 40:\n // down-arrow\n if (modifiers) {\n result.key = C0.ESC + '[1;' + (modifiers + 1) + 'B';\n // HACK: Make Alt + down-arrow behave like Ctrl + down-arrow\n // http://unix.stackexchange.com/a/108106\n if (result.key === C0.ESC + '[1;3B') {\n result.key = C0.ESC + '[1;5B';\n }\n } else if (applicationCursorMode) {\n result.key = C0.ESC + 'OB';\n } else {\n result.key = C0.ESC + '[B';\n }\n break;\n case 45:\n // insert\n if (!ev.shiftKey && !ev.ctrlKey) {\n // <Ctrl> or <Shift> + <Insert> are used to\n // copy-paste on some systems.\n result.key = C0.ESC + '[2~';\n }\n break;\n case 46:\n // delete\n if (modifiers) {\n result.key = C0.ESC + '[3;' + (modifiers + 1) + '~';\n } else {\n result.key = C0.ESC + '[3~';\n }\n break;\n case 36:\n // home\n if (modifiers) {\n result.key = C0.ESC + '[1;' + (modifiers + 1) + 'H';\n } else if (applicationCursorMode) {\n result.key = C0.ESC + 'OH';\n } else {\n result.key = C0.ESC + '[H';\n }\n break;\n case 35:\n // end\n if (modifiers) {\n result.key = C0.ESC + '[1;' + (modifiers + 1) + 'F';\n } else if (applicationCursorMode) {\n result.key = C0.ESC + 'OF';\n } else {\n result.key = C0.ESC + '[F';\n }\n break;\n case 33:\n // page up\n if (ev.shiftKey) {\n result.type = KeyboardResultType.PAGE_UP;\n } else {\n result.key = C0.ESC + '[5~';\n }\n break;\n case 34:\n // page down\n if (ev.shiftKey) {\n result.type = KeyboardResultType.PAGE_DOWN;\n } else {\n result.key = C0.ESC + '[6~';\n }\n break;\n case 112:\n // F1-F12\n if (modifiers) {\n result.key = C0.ESC + '[1;' + (modifiers + 1) + 'P';\n } else {\n result.key = C0.ESC + 'OP';\n }\n break;\n case 113:\n if (modifiers) {\n result.key = C0.ESC + '[1;' + (modifiers + 1) + 'Q';\n } else {\n result.key = C0.ESC + 'OQ';\n }\n break;\n case 114:\n if (modifiers) {\n result.key = C0.ESC + '[1;' + (modifiers + 1) + 'R';\n } else {\n result.key = C0.ESC + 'OR';\n }\n break;\n case 115:\n if (modifiers) {\n result.key = C0.ESC + '[1;' + (modifiers + 1) + 'S';\n } else {\n result.key = C0.ESC + 'OS';\n }\n break;\n case 116:\n if (modifiers) {\n result.key = C0.ESC + '[15;' + (modifiers + 1) + '~';\n } else {\n result.key = C0.ESC + '[15~';\n }\n break;\n case 117:\n if (modifiers) {\n result.key = C0.ESC + '[17;' + (modifiers + 1) + '~';\n } else {\n result.key = C0.ESC + '[17~';\n }\n break;\n case 118:\n if (modifiers) {\n result.key = C0.ESC + '[18;' + (modifiers + 1) + '~';\n } else {\n result.key = C0.ESC + '[18~';\n }\n break;\n case 119:\n if (modifiers) {\n result.key = C0.ESC + '[19;' + (modifiers + 1) + '~';\n } else {\n result.key = C0.ESC + '[19~';\n }\n break;\n case 120:\n if (modifiers) {\n result.key = C0.ESC + '[20;' + (modifiers + 1) + '~';\n } else {\n result.key = C0.ESC + '[20~';\n }\n break;\n case 121:\n if (modifiers) {\n result.key = C0.ESC + '[21;' + (modifiers + 1) + '~';\n } else {\n result.key = C0.ESC + '[21~';\n }\n break;\n case 122:\n if (modifiers) {\n result.key = C0.ESC + '[23;' + (modifiers + 1) + '~';\n } else {\n result.key = C0.ESC + '[23~';\n }\n break;\n case 123:\n if (modifiers) {\n result.key = C0.ESC + '[24;' + (modifiers + 1) + '~';\n } else {\n result.key = C0.ESC + '[24~';\n }\n break;\n default:\n // a-z and space\n if (ev.ctrlKey && !ev.shiftKey && !ev.altKey && !ev.metaKey) {\n if (ev.keyCode >= 65 && ev.keyCode <= 90) {\n result.key = String.fromCharCode(ev.keyCode - 64);\n } else if (ev.keyCode === 32) {\n // NUL\n result.key = String.fromCharCode(0);\n } else if (ev.keyCode >= 51 && ev.keyCode <= 55) {\n // escape, file sep, group sep, record sep, unit sep\n result.key = String.fromCharCode(ev.keyCode - 51 + 27);\n } else if (ev.keyCode === 56) {\n // delete\n result.key = String.fromCharCode(127);\n } else if (ev.keyCode === 219) {\n // ^[ - Control Sequence Introducer (CSI)\n result.key = String.fromCharCode(27);\n } else if (ev.keyCode === 220) {\n // ^\\ - String Terminator (ST)\n result.key = String.fromCharCode(28);\n } else if (ev.keyCode === 221) {\n // ^] - Operating System Command (OSC)\n result.key = String.fromCharCode(29);\n }\n } else if ((!isMac || macOptionIsMeta) && ev.altKey && !ev.metaKey) {\n // On macOS this is a third level shift when !macOptionIsMeta. Use <Esc> instead.\n const keyMapping = KEYCODE_KEY_MAPPINGS[ev.keyCode];\n const key = keyMapping && keyMapping[!ev.shiftKey ? 0 : 1];\n if (key) {\n result.key = C0.ESC + key;\n } else if (ev.keyCode >= 65 && ev.keyCode <= 90) {\n const keyCode = ev.ctrlKey ? ev.keyCode - 64 : ev.keyCode + 32;\n result.key = C0.ESC + String.fromCharCode(keyCode);\n }\n } else if (isMac && !ev.altKey && !ev.ctrlKey && ev.metaKey) {\n if (ev.keyCode === 65) { // cmd + a\n result.type = KeyboardResultType.SELECT_ALL;\n }\n } else if (ev.key && !ev.ctrlKey && !ev.altKey && !ev.metaKey && ev.keyCode >= 48 && ev.key.length === 1) {\n // Include only keys that that result in a _single_ character; don't include num lock, volume up, etc.\n result.key = ev.key;\n } else if (ev.key && ev.ctrlKey) {\n if (ev.key === '_') { // ^_\n result.key = C0.US;\n }\n }\n break;\n }\n\n return result;\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ICharset } from '../Types';\n\n/**\n * The character sets supported by the terminal. These enable several languages\n * to be represented within the terminal with only 8-bit encoding. See ISO 2022\n * for a discussion on character sets. Only VT100 character sets are supported.\n */\nexport const CHARSETS: { [key: string]: ICharset | null } = {};\n\n/**\n * The default character set, US.\n */\nexport const DEFAULT_CHARSET: ICharset | null = CHARSETS['B'];\n\n/**\n * DEC Special Character and Line Drawing Set.\n * Reference: http://vt100.net/docs/vt102-ug/table5-13.html\n * A lot of curses apps use this if they see TERM=xterm.\n * testing: echo -e '\\e(0a\\e(B'\n * The xterm output sometimes seems to conflict with the\n * reference above. xterm seems in line with the reference\n * when running vttest however.\n * The table below now uses xterm's output from vttest.\n */\nCHARSETS['0'] = {\n '`': '\\u25c6', // '◆'\n 'a': '\\u2592', // '▒'\n 'b': '\\u0009', // '\\t'\n 'c': '\\u000c', // '\\f'\n 'd': '\\u000d', // '\\r'\n 'e': '\\u000a', // '\\n'\n 'f': '\\u00b0', // '°'\n 'g': '\\u00b1', // '±'\n 'h': '\\u2424', // '\\u2424' (NL)\n 'i': '\\u000b', // '\\v'\n 'j': '\\u2518', // '┘'\n 'k': '\\u2510', // '┐'\n 'l': '\\u250c', // '┌'\n 'm': '\\u2514', // '└'\n 'n': '\\u253c', // '┼'\n 'o': '\\u23ba', // '⎺'\n 'p': '\\u23bb', // '⎻'\n 'q': '\\u2500', // '─'\n 'r': '\\u23bc', // '⎼'\n 's': '\\u23bd', // '⎽'\n 't': '\\u251c', // '├'\n 'u': '\\u2524', // '┤'\n 'v': '\\u2534', // '┴'\n 'w': '\\u252c', // '┬'\n 'x': '\\u2502', // '│'\n 'y': '\\u2264', // '≤'\n 'z': '\\u2265', // '≥'\n '{': '\\u03c0', // 'π'\n '|': '\\u2260', // '≠'\n '}': '\\u00a3', // '£'\n '~': '\\u00b7' // '·'\n};\n\n/**\n * British character set\n * ESC (A\n * Reference: http://vt100.net/docs/vt220-rm/table2-5.html\n */\nCHARSETS['A'] = {\n '#': '£'\n};\n\n/**\n * United States character set\n * ESC (B\n */\nCHARSETS['B'] = null;\n\n/**\n * Dutch character set\n * ESC (4\n * Reference: http://vt100.net/docs/vt220-rm/table2-6.html\n */\nCHARSETS['4'] = {\n '#': '£',\n '@': '¾',\n '[': 'ij',\n '\\\\': '½',\n ']': '|',\n '{': '¨',\n '|': 'f',\n '}': '¼',\n '~': '´'\n};\n\n/**\n * Finnish character set\n * ESC (C or ESC (5\n * Reference: http://vt100.net/docs/vt220-rm/table2-7.html\n */\nCHARSETS['C'] =\nCHARSETS['5'] = {\n '[': 'Ä',\n '\\\\': 'Ö',\n ']': 'Å',\n '^': 'Ü',\n '`': 'é',\n '{': 'ä',\n '|': 'ö',\n '}': 'å',\n '~': 'ü'\n};\n\n/**\n * French character set\n * ESC (R\n * Reference: http://vt100.net/docs/vt220-rm/table2-8.html\n */\nCHARSETS['R'] = {\n '#': '£',\n '@': 'à',\n '[': '°',\n '\\\\': 'ç',\n ']': '§',\n '{': 'é',\n '|': 'ù',\n '}': 'è',\n '~': '¨'\n};\n\n/**\n * French Canadian character set\n * ESC (Q\n * Reference: http://vt100.net/docs/vt220-rm/table2-9.html\n */\nCHARSETS['Q'] = {\n '@': 'à',\n '[': 'â',\n '\\\\': 'ç',\n ']': 'ê',\n '^': 'î',\n '`': 'ô',\n '{': 'é',\n '|': 'ù',\n '}': 'è',\n '~': 'û'\n};\n\n/**\n * German character set\n * ESC (K\n * Reference: http://vt100.net/docs/vt220-rm/table2-10.html\n */\nCHARSETS['K'] = {\n '@': '§',\n '[': 'Ä',\n '\\\\': 'Ö',\n ']': 'Ü',\n '{': 'ä',\n '|': 'ö',\n '}': 'ü',\n '~': 'ß'\n};\n\n/**\n * Italian character set\n * ESC (Y\n * Reference: http://vt100.net/docs/vt220-rm/table2-11.html\n */\nCHARSETS['Y'] = {\n '#': '£',\n '@': '§',\n '[': '°',\n '\\\\': 'ç',\n ']': 'é',\n '`': 'ù',\n '{': 'à',\n '|': 'ò',\n '}': 'è',\n '~': 'ì'\n};\n\n/**\n * Norwegian/Danish character set\n * ESC (E or ESC (6\n * Reference: http://vt100.net/docs/vt220-rm/table2-12.html\n */\nCHARSETS['E'] =\nCHARSETS['6'] = {\n '@': 'Ä',\n '[': 'Æ',\n '\\\\': 'Ø',\n ']': 'Å',\n '^': 'Ü',\n '`': 'ä',\n '{': 'æ',\n '|': 'ø',\n '}': 'å',\n '~': 'ü'\n};\n\n/**\n * Spanish character set\n * ESC (Z\n * Reference: http://vt100.net/docs/vt220-rm/table2-13.html\n */\nCHARSETS['Z'] = {\n '#': '£',\n '@': '§',\n '[': '¡',\n '\\\\': 'Ñ',\n ']': '¿',\n '{': '°',\n '|': 'ñ',\n '}': 'ç'\n};\n\n/**\n * Swedish character set\n * ESC (H or ESC (7\n * Reference: http://vt100.net/docs/vt220-rm/table2-14.html\n */\nCHARSETS['H'] =\nCHARSETS['7'] = {\n '@': 'É',\n '[': 'Ä',\n '\\\\': 'Ö',\n ']': 'Å',\n '^': 'Ü',\n '`': 'é',\n '{': 'ä',\n '|': 'ö',\n '}': 'å',\n '~': 'ü'\n};\n\n/**\n * Swiss character set\n * ESC (=\n * Reference: http://vt100.net/docs/vt220-rm/table2-15.html\n */\nCHARSETS['='] = {\n '#': 'ù',\n '@': 'à',\n '[': 'é',\n '\\\\': 'ç',\n ']': 'ê',\n '^': 'î',\n '_': 'è',\n '`': 'ô',\n '{': 'ä',\n '|': 'ö',\n '}': 'ü',\n '~': 'û'\n};\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\n/**\n * C0 control codes\n * See = https://en.wikipedia.org/wiki/C0_and_C1_control_codes\n */\nexport namespace C0 {\n /** Null (Caret = ^@, C = \\0) */\n export const NUL = '\\x00';\n /** Start of Heading (Caret = ^A) */\n export const SOH = '\\x01';\n /** Start of Text (Caret = ^B) */\n export const STX = '\\x02';\n /** End of Text (Caret = ^C) */\n export const ETX = '\\x03';\n /** End of Transmission (Caret = ^D) */\n export const EOT = '\\x04';\n /** Enquiry (Caret = ^E) */\n export const ENQ = '\\x05';\n /** Acknowledge (Caret = ^F) */\n export const ACK = '\\x06';\n /** Bell (Caret = ^G, C = \\a) */\n export const BEL = '\\x07';\n /** Backspace (Caret = ^H, C = \\b) */\n export const BS = '\\x08';\n /** Character Tabulation, Horizontal Tabulation (Caret = ^I, C = \\t) */\n export const HT = '\\x09';\n /** Line Feed (Caret = ^J, C = \\n) */\n export const LF = '\\x0a';\n /** Line Tabulation, Vertical Tabulation (Caret = ^K, C = \\v) */\n export const VT = '\\x0b';\n /** Form Feed (Caret = ^L, C = \\f) */\n export const FF = '\\x0c';\n /** Carriage Return (Caret = ^M, C = \\r) */\n export const CR = '\\x0d';\n /** Shift Out (Caret = ^N) */\n export const SO = '\\x0e';\n /** Shift In (Caret = ^O) */\n export const SI = '\\x0f';\n /** Data Link Escape (Caret = ^P) */\n export const DLE = '\\x10';\n /** Device Control One (XON) (Caret = ^Q) */\n export const DC1 = '\\x11';\n /** Device Control Two (Caret = ^R) */\n export const DC2 = '\\x12';\n /** Device Control Three (XOFF) (Caret = ^S) */\n export const DC3 = '\\x13';\n /** Device Control Four (Caret = ^T) */\n export const DC4 = '\\x14';\n /** Negative Acknowledge (Caret = ^U) */\n export const NAK = '\\x15';\n /** Synchronous Idle (Caret = ^V) */\n export const SYN = '\\x16';\n /** End of Transmission Block (Caret = ^W) */\n export const ETB = '\\x17';\n /** Cancel (Caret = ^X) */\n export const CAN = '\\x18';\n /** End of Medium (Caret = ^Y) */\n export const EM = '\\x19';\n /** Substitute (Caret = ^Z) */\n export const SUB = '\\x1a';\n /** Escape (Caret = ^[, C = \\e) */\n export const ESC = '\\x1b';\n /** File Separator (Caret = ^\\) */\n export const FS = '\\x1c';\n /** Group Separator (Caret = ^]) */\n export const GS = '\\x1d';\n /** Record Separator (Caret = ^^) */\n export const RS = '\\x1e';\n /** Unit Separator (Caret = ^_) */\n export const US = '\\x1f';\n /** Space */\n export const SP = '\\x20';\n /** Delete (Caret = ^?) */\n export const DEL = '\\x7f';\n}\n\n/**\n * C1 control codes\n * See = https://en.wikipedia.org/wiki/C0_and_C1_control_codes\n */\nexport namespace C1 {\n /** padding character */\n export const PAD = '\\x80';\n /** High Octet Preset */\n export const HOP = '\\x81';\n /** Break Permitted Here */\n export const BPH = '\\x82';\n /** No Break Here */\n export const NBH = '\\x83';\n /** Index */\n export const IND = '\\x84';\n /** Next Line */\n export const NEL = '\\x85';\n /** Start of Selected Area */\n export const SSA = '\\x86';\n /** End of Selected Area */\n export const ESA = '\\x87';\n /** Horizontal Tabulation Set */\n export const HTS = '\\x88';\n /** Horizontal Tabulation With Justification */\n export const HTJ = '\\x89';\n /** Vertical Tabulation Set */\n export const VTS = '\\x8a';\n /** Partial Line Down */\n export const PLD = '\\x8b';\n /** Partial Line Up */\n export const PLU = '\\x8c';\n /** Reverse Index */\n export const RI = '\\x8d';\n /** Single-Shift 2 */\n export const SS2 = '\\x8e';\n /** Single-Shift 3 */\n export const SS3 = '\\x8f';\n /** Device Control String */\n export const DCS = '\\x90';\n /** Private Use 1 */\n export const PU1 = '\\x91';\n /** Private Use 2 */\n export const PU2 = '\\x92';\n /** Set Transmit State */\n export const STS = '\\x93';\n /** Destructive backspace, intended to eliminate ambiguity about meaning of BS. */\n export const CCH = '\\x94';\n /** Message Waiting */\n export const MW = '\\x95';\n /** Start of Protected Area */\n export const SPA = '\\x96';\n /** End of Protected Area */\n export const EPA = '\\x97';\n /** Start of String */\n export const SOS = '\\x98';\n /** Single Graphic Character Introducer */\n export const SGCI = '\\x99';\n /** Single Character Introducer */\n export const SCI = '\\x9a';\n /** Control Sequence Introducer */\n export const CSI = '\\x9b';\n /** String Terminator */\n export const ST = '\\x9c';\n /** Operating System Command */\n export const OSC = '\\x9d';\n /** Privacy Message */\n export const PM = '\\x9e';\n /** Application Program Command */\n export const APC = '\\x9f';\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nexport type TypedArray = Uint8Array | Uint16Array | Uint32Array | Uint8ClampedArray\n | Int8Array | Int16Array | Int32Array\n | Float32Array | Float64Array;\n\n\n/**\n * polyfill for TypedArray.fill\n * This is needed to support .fill in all safari versions and IE 11.\n */\nexport function fill<T extends TypedArray>(array: T, value: number, start?: number, end?: number): T {\n // all modern engines that support .fill\n if (array.fill) {\n return array.fill(value, start, end) as T;\n }\n return fillFallback(array, value, start, end);\n}\n\nexport function fillFallback<T extends TypedArray>(array: T, value: number, start: number = 0, end: number = array.length): T {\n // safari and IE 11\n // since IE 11 does not support Array.prototype.fill either\n // we cannot use the suggested polyfill from MDN\n // instead we simply fall back to looping\n if (start >= array.length) {\n return array;\n }\n start = (array.length + start) % array.length;\n if (end >= array.length) {\n end = array.length;\n } else {\n end = (array.length + end) % array.length;\n }\n for (let i = start; i < end; ++i) {\n array[i] = value;\n }\n return array;\n}\n\n/**\n * Concat two typed arrays `a` and `b`.\n * Returns a new typed array.\n */\nexport function concat<T extends TypedArray>(a: T, b: T): T {\n const result = new (a.constructor as any)(a.length + b.length);\n result.set(a);\n result.set(b, a.length);\n return result;\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\ninterface INavigator {\n userAgent: string;\n language: string;\n platform: string;\n}\n\n// We're declaring a navigator global here as we expect it in all runtimes (node and browser), but\n// we want this module to live in common.\ndeclare const navigator: INavigator;\n\nconst isNode = (typeof navigator === 'undefined') ? true : false;\nconst userAgent = (isNode) ? 'node' : navigator.userAgent;\nconst platform = (isNode) ? 'node' : navigator.platform;\n\nexport const isFirefox = !!~userAgent.indexOf('Firefox');\nexport const isSafari = /^((?!chrome|android).)*safari/i.test(userAgent);\nexport const isMSIE = !!~userAgent.indexOf('MSIE') || !!~userAgent.indexOf('Trident');\n\n// Find the users platform. We use this to interpret the meta key\n// and ISO third level shifts.\n// http://stackoverflow.com/q/19877924/577598\nexport const isMac = contains(['Macintosh', 'MacIntel', 'MacPPC', 'Mac68K'], platform);\nexport const isIpad = platform === 'iPad';\nexport const isIphone = platform === 'iPhone';\nexport const isMSWindows = contains(['Windows', 'Win16', 'Win32', 'WinCE'], platform);\nexport const isLinux = platform.indexOf('Linux') >= 0;\n\n/**\n * Return if the given array contains the given element\n * @param arr The array to search for the given element.\n * @param el The element to look for into the array\n */\nfunction contains(arr: any[], el: any): boolean {\n return arr.indexOf(el) >= 0;\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IDisposable } from './Types';\n\n/**\n * A base class that can be extended to provide convenience methods for managing the lifecycle of an\n * object and its components.\n */\nexport abstract class Disposable implements IDisposable {\n protected _disposables: IDisposable[] = [];\n protected _isDisposed: boolean = false;\n\n constructor() {\n }\n\n /**\n * Disposes the object, triggering the `dispose` method on all registered IDisposables.\n */\n public dispose(): void {\n this._isDisposed = true;\n this._disposables.forEach(d => d.dispose());\n this._disposables.length = 0;\n }\n\n /**\n * Registers a disposable object.\n * @param d The disposable to register.\n */\n public register<T extends IDisposable>(d: T): void {\n this._disposables.push(d);\n }\n\n /**\n * Unregisters a disposable object if it has been registered, if not do\n * nothing.\n * @param d The disposable to unregister.\n */\n public unregister<T extends IDisposable>(d: T): void {\n const index = this._disposables.indexOf(d);\n if (index !== -1) {\n this._disposables.splice(index, 1);\n }\n }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IDisposable } from './Types';\n\ninterface IListener<T> {\n (e: T): void;\n}\n\nexport interface IEvent<T> {\n (listener: (e: T) => any): IDisposable;\n}\n\nexport class EventEmitter2<T> {\n private _listeners: IListener<T>[] = [];\n private _event?: IEvent<T>;\n\n public get event(): IEvent<T> {\n if (!this._event) {\n this._event = (listener: (e: T) => any) => {\n this._listeners.push(listener);\n const disposable = {\n dispose: () => {\n for (let i = 0; i < this._listeners.length; i++) {\n if (this._listeners[i] === listener) {\n this._listeners.splice(i, 1);\n return;\n }\n }\n }\n };\n return disposable;\n };\n }\n return this._event;\n }\n\n public fire(data: T): void {\n const queue: IListener<T>[] = [];\n for (let i = 0; i < this._listeners.length; i++) {\n queue.push(this._listeners[i]);\n }\n for (let i = 0; i < queue.length; i++) {\n queue[i].call(undefined, data);\n }\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IDisposable, IEventEmitter, XtermListener } from './Types';\nimport { Disposable } from './Lifecycle';\n\nexport class EventEmitter extends Disposable implements IEventEmitter, IDisposable {\n private _events: {[type: string]: XtermListener[]};\n\n constructor() {\n super();\n // Restore the previous events if available, this will happen if the\n // constructor is called multiple times on the same object (terminal reset).\n this._events = (<any>this)._events || {};\n }\n\n public on(type: string, listener: XtermListener): void {\n this._events[type] = this._events[type] || [];\n this._events[type].push(listener);\n }\n\n /**\n * Adds a disposable listener to the EventEmitter, returning the disposable.\n * @param type The event type.\n * @param handler The handler for the listener.\n */\n public addDisposableListener(type: string, handler: XtermListener): IDisposable {\n // TODO: Rename addDisposableEventListener to more easily disambiguate from Dom listener\n this.on(type, handler);\n let disposed = false;\n return {\n dispose: () => {\n if (disposed) {\n // Already disposed\n return;\n }\n this.off(type, handler);\n disposed = true;\n }\n };\n }\n\n public off(type: string, listener: XtermListener): void {\n if (!this._events[type]) {\n return;\n }\n\n const obj = this._events[type];\n let i = obj.length;\n\n while (i--) {\n if (obj[i] === listener) {\n obj.splice(i, 1);\n return;\n }\n }\n }\n\n public removeAllListeners(type: string): void {\n if (this._events[type]) {\n delete this._events[type];\n }\n }\n\n public emit(type: string, ...args: any[]): void {\n if (!this._events[type]) {\n return;\n }\n const obj = this._events[type];\n for (let i = 0; i < obj.length; i++) {\n obj[i].apply(this, args);\n }\n }\n\n public emitMayRemoveListeners(type: string, ...args: any[]): void {\n if (!this._events[type]) {\n return;\n }\n const obj = this._events[type];\n let length = obj.length;\n for (let i = 0; i < obj.length; i++) {\n obj[i].apply(this, args);\n i -= length - obj.length;\n length = obj.length;\n }\n }\n\n public listeners(type: string): XtermListener[] {\n return this._events[type] || [];\n }\n\n public dispose(): void {\n super.dispose();\n this._events = {};\n }\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\n/*\n * A simple utility for cloning values\n */\nexport function clone<T>(val: T, depth: number = 5): T | null {\n if (typeof val !== 'object') {\n return val;\n }\n\n // cloning null always returns null\n if (val === null) {\n return null;\n }\n\n // If we're cloning an array, use an array as the base, otherwise use an object\n const clonedObject: any = Array.isArray(val) ? [] : {};\n\n for (const key in val) {\n // Recursively clone eack item unless we're at the maximum depth\n clonedObject[key] = depth <= 1 ? val[key] : clone(val[key], depth - 1);\n }\n\n return clonedObject as T;\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ICircularList } from './Types';\nimport { EventEmitter2, IEvent } from './EventEmitter2';\n\nexport interface IInsertEvent {\n index: number;\n amount: number;\n}\n\nexport interface IDeleteEvent {\n index: number;\n amount: number;\n}\n\n/**\n * Represents a circular list; a list with a maximum size that wraps around when push is called,\n * overriding values at the start of the list.\n */\nexport class CircularList<T> implements ICircularList<T> {\n protected _array: (T | undefined)[];\n private _startIndex: number;\n private _length: number;\n\n public onDeleteEmitter = new EventEmitter2<IDeleteEvent>();\n public get onDelete(): IEvent<IDeleteEvent> { return this.onDeleteEmitter.event; }\n public onInsertEmitter = new EventEmitter2<IInsertEvent>();\n public get onInsert(): IEvent<IInsertEvent> { return this.onInsertEmitter.event; }\n public onTrimEmitter = new EventEmitter2<number>();\n public get onTrim(): IEvent<number> { return this.onTrimEmitter.event; }\n\n constructor(\n private _maxLength: number\n ) {\n this._array = new Array<T>(this._maxLength);\n this._startIndex = 0;\n this._length = 0;\n }\n\n public get maxLength(): number {\n return this._maxLength;\n }\n\n public set maxLength(newMaxLength: number) {\n // There was no change in maxLength, return early.\n if (this._maxLength === newMaxLength) {\n return;\n }\n\n // Reconstruct array, starting at index 0. Only transfer values from the\n // indexes 0 to length.\n const newArray = new Array<T | undefined>(newMaxLength);\n for (let i = 0; i < Math.min(newMaxLength, this.length); i++) {\n newArray[i] = this._array[this._getCyclicIndex(i)];\n }\n this._array = newArray;\n this._maxLength = newMaxLength;\n this._startIndex = 0;\n }\n\n public get length(): number {\n return this._length;\n }\n\n public set length(newLength: number) {\n if (newLength > this._length) {\n for (let i = this._length; i < newLength; i++) {\n this._array[i] = undefined;\n }\n }\n this._length = newLength;\n }\n\n /**\n * Gets the value at an index.\n *\n * Note that for performance reasons there is no bounds checking here, the index reference is\n * circular so this should always return a value and never throw.\n * @param index The index of the value to get.\n * @return The value corresponding to the index.\n */\n public get(index: number): T | undefined {\n return this._array[this._getCyclicIndex(index)];\n }\n\n /**\n * Sets the value at an index.\n *\n * Note that for performance reasons there is no bounds checking here, the index reference is\n * circular so this should always return a value and never throw.\n * @param index The index to set.\n * @param value The value to set.\n */\n public set(index: number, value: T | undefined): void {\n this._array[this._getCyclicIndex(index)] = value;\n }\n\n /**\n * Pushes a new value onto the list, wrapping around to the start of the array, overriding index 0\n * if the maximum length is reached.\n * @param value The value to push onto the list.\n */\n public push(value: T): void {\n this._array[this._getCyclicIndex(this._length)] = value;\n if (this._length === this._maxLength) {\n this._startIndex = ++this._startIndex % this._maxLength;\n this.onTrimEmitter.fire(1);\n } else {\n this._length++;\n }\n }\n\n /**\n * Advance ringbuffer index and return current element for recycling.\n * Note: The buffer must be full for this method to work.\n * @throws When the buffer is not full.\n */\n public recycle(): T {\n if (this._length !== this._maxLength) {\n throw new Error('Can only recycle when the buffer is full');\n }\n this._startIndex = ++this._startIndex % this._maxLength;\n this.onTrimEmitter.fire(1);\n return this._array[this._getCyclicIndex(this._length - 1)]!;\n }\n\n /**\n * Ringbuffer is at max length.\n */\n public get isFull(): boolean {\n return this._length === this._maxLength;\n }\n\n /**\n * Removes and returns the last value on the list.\n * @return The popped value.\n */\n public pop(): T | undefined {\n return this._array[this._getCyclicIndex(this._length-- - 1)];\n }\n\n /**\n * Deletes and/or inserts items at a particular index (in that order). Unlike\n * Array.prototype.splice, this operation does not return the deleted items as a new array in\n * order to save creating a new array. Note that this operation may shift all values in the list\n * in the worst case.\n * @param start The index to delete and/or insert.\n * @param deleteCount The number of elements to delete.\n * @param items The items to insert.\n */\n public splice(start: number, deleteCount: number, ...items: T[]): void {\n // Delete items\n if (deleteCount) {\n for (let i = start; i < this._length - deleteCount; i++) {\n this._array[this._getCyclicIndex(i)] = this._array[this._getCyclicIndex(i + deleteCount)];\n }\n this._length -= deleteCount;\n }\n\n // Add items\n for (let i = this._length - 1; i >= start; i--) {\n this._array[this._getCyclicIndex(i + items.length)] = this._array[this._getCyclicIndex(i)];\n }\n for (let i = 0; i < items.length; i++) {\n this._array[this._getCyclicIndex(start + i)] = items[i];\n }\n\n // Adjust length as needed\n if (this._length + items.length > this._maxLength) {\n const countToTrim = (this._length + items.length) - this._maxLength;\n this._startIndex += countToTrim;\n this._length = this._maxLength;\n this.onTrimEmitter.fire(countToTrim);\n } else {\n this._length += items.length;\n }\n }\n\n /**\n * Trims a number of items from the start of the list.\n * @param count The number of items to remove.\n */\n public trimStart(count: number): void {\n if (count > this._length) {\n count = this._length;\n }\n this._startIndex += count;\n this._length -= count;\n this.onTrimEmitter.fire(count);\n }\n\n public shiftElements(start: number, count: number, offset: number): void {\n if (count <= 0) {\n return;\n }\n if (start < 0 || start >= this._length) {\n throw new Error('start argument out of range');\n }\n if (start + offset < 0) {\n throw new Error('Cannot shift elements in list beyond index 0');\n }\n\n if (offset > 0) {\n for (let i = count - 1; i >= 0; i--) {\n this.set(start + i + offset, this.get(start + i));\n }\n const expandListBy = (start + count + offset) - this._length;\n if (expandListBy > 0) {\n this._length += expandListBy;\n while (this._length > this._maxLength) {\n this._length--;\n this._startIndex++;\n this.onTrimEmitter.fire(1);\n }\n }\n } else {\n for (let i = 0; i < count; i++) {\n this.set(start + i + offset, this.get(start + i));\n }\n }\n }\n\n /**\n * Gets the cyclic index for the specified regular index. The cyclic index can then be used on the\n * backing array to get the element associated with the regular index.\n * @param index The regular index.\n * @returns The cyclic index.\n */\n private _getCyclicIndex(index: number): number {\n return (this._startIndex + index) % this._maxLength;\n }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IDisposable } from 'xterm';\nimport { ITerminal } from './Types';\nimport { CHAR_DATA_CODE_INDEX, NULL_CELL_CODE, WHITESPACE_CELL_CODE } from './Buffer';\n\nexport function applyWindowsMode(terminal: ITerminal): IDisposable {\n // Winpty does not support wraparound mode which means that lines will never\n // be marked as wrapped. This causes issues for things like copying a line\n // retaining the wrapped new line characters or if consumers are listening\n // in on the data stream.\n //\n // The workaround for this is to listen to every incoming line feed and mark\n // the line as wrapped if the last character in the previous line is not a\n // space. This is certainly not without its problems, but generally on\n // Windows when text reaches the end of the terminal it's likely going to be\n // wrapped.\n return terminal.onLineFeed(() => {\n const line = terminal.buffer.lines.get(terminal.buffer.ybase + terminal.buffer.y - 1);\n const lastChar = line.get(terminal.cols - 1);\n\n if (lastChar[CHAR_DATA_CODE_INDEX] !== NULL_CELL_CODE && lastChar[CHAR_DATA_CODE_INDEX] !== WHITESPACE_CELL_CODE) {\n const nextLine = terminal.buffer.lines.get(terminal.buffer.ybase + terminal.buffer.y);\n nextLine.isWrapped = true;\n }\n });\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IColorSet } from './renderer/Types';\nimport { ITerminal, IViewport } from './Types';\nimport { CharMeasure } from './CharMeasure';\nimport { Disposable } from './common/Lifecycle';\nimport { addDisposableDomListener } from './ui/Lifecycle';\n\nconst FALLBACK_SCROLL_BAR_WIDTH = 15;\n\n/**\n * Represents the viewport of a terminal, the visible area within the larger buffer of output.\n * Logic for the virtual scroll bar is included in this object.\n */\nexport class Viewport extends Disposable implements IViewport {\n public scrollBarWidth: number = 0;\n private _currentRowHeight: number = 0;\n private _lastRecordedBufferLength: number = 0;\n private _lastRecordedViewportHeight: number = 0;\n private _lastRecordedBufferHeight: number = 0;\n private _lastTouchY: number;\n private _lastScrollTop: number = 0;\n\n // Stores a partial line amount when scrolling, this is used to keep track of how much of a line\n // is scrolled so we can \"scroll\" over partial lines and feel natural on touchpads. This is a\n // quick fix and could have a more robust solution in place that reset the value when needed.\n private _wheelPartialScroll: number = 0;\n\n private _refreshAnimationFrame: number | null = null;\n private _ignoreNextScrollEvent: boolean = false;\n\n /**\n * Creates a new Viewport.\n * @param _terminal The terminal this viewport belongs to.\n * @param _viewportElement The DOM element acting as the viewport.\n * @param _scrollArea The DOM element acting as the scroll area.\n * @param _charMeasure A DOM element used to measure the character size of. the terminal.\n */\n constructor(\n private _terminal: ITerminal,\n private _viewportElement: HTMLElement,\n private _scrollArea: HTMLElement,\n private _charMeasure: CharMeasure\n ) {\n super();\n\n // Measure the width of the scrollbar. If it is 0 we can assume it's an OSX overlay scrollbar.\n // Unfortunately the overlay scrollbar would be hidden underneath the screen element in that case,\n // therefore we account for a standard amount to make it visible\n this.scrollBarWidth = (this._viewportElement.offsetWidth - this._scrollArea.offsetWidth) || FALLBACK_SCROLL_BAR_WIDTH;\n this.register(addDisposableDomListener(this._viewportElement, 'scroll', this._onScroll.bind(this)));\n\n // Perform this async to ensure the CharMeasure is ready.\n setTimeout(() => this.syncScrollArea(), 0);\n }\n\n public onThemeChanged(colors: IColorSet): void {\n this._viewportElement.style.backgroundColor = colors.background.css;\n }\n\n /**\n * Refreshes row height, setting line-height, viewport height and scroll area height if\n * necessary.\n */\n private _refresh(): void {\n if (this._refreshAnimationFrame === null) {\n this._refreshAnimationFrame = requestAnimationFrame(() => this._innerRefresh());\n }\n }\n\n private _innerRefresh(): void {\n if (this._charMeasure.height > 0) {\n this._currentRowHeight = this._terminal.renderer.dimensions.scaledCellHeight / window.devicePixelRatio;\n this._lastRecordedViewportHeight = this._viewportElement.offsetHeight;\n const newBufferHeight = Math.round(this._currentRowHeight * this._lastRecordedBufferLength) + (this._lastRecordedViewportHeight - this._terminal.renderer.dimensions.canvasHeight);\n if (this._lastRecordedBufferHeight !== newBufferHeight) {\n this._lastRecordedBufferHeight = newBufferHeight;\n this._scrollArea.style.height = this._lastRecordedBufferHeight + 'px';\n }\n }\n\n // Sync scrollTop\n const scrollTop = this._terminal.buffer.ydisp * this._currentRowHeight;\n if (this._viewportElement.scrollTop !== scrollTop) {\n // Ignore the next scroll event which will be triggered by setting the scrollTop as we do not\n // want this event to scroll the terminal\n this._ignoreNextScrollEvent = true;\n this._viewportElement.scrollTop = scrollTop;\n }\n\n this._refreshAnimationFrame = null;\n }\n\n /**\n * Updates dimensions and synchronizes the scroll area if necessary.\n */\n public syncScrollArea(): void {\n // If buffer height changed\n if (this._lastRecordedBufferLength !== this._terminal.buffer.lines.length) {\n this._lastRecordedBufferLength = this._terminal.buffer.lines.length;\n this._refresh();\n return;\n }\n\n // If viewport height changed\n if (this._lastRecordedViewportHeight !== (<any>this._terminal).renderer.dimensions.canvasHeight) {\n this._refresh();\n return;\n }\n\n // If the buffer position doesn't match last scroll top\n const newScrollTop = this._terminal.buffer.ydisp * this._currentRowHeight;\n if (this._lastScrollTop !== newScrollTop) {\n this._refresh();\n return;\n }\n\n // If element's scroll top changed, this can happen when hiding the element\n if (this._lastScrollTop !== this._viewportElement.scrollTop) {\n this._refresh();\n return;\n }\n\n // If row height changed\n if (this._terminal.renderer.dimensions.scaledCellHeight / window.devicePixelRatio !== this._currentRowHeight) {\n this._refresh();\n return;\n }\n }\n\n /**\n * Handles scroll events on the viewport, calculating the new viewport and requesting the\n * terminal to scroll to it.\n * @param ev The scroll event.\n */\n private _onScroll(ev: Event): void {\n // Record current scroll top position\n this._lastScrollTop = this._viewportElement.scrollTop;\n\n // Don't attempt to scroll if the element is not visible, otherwise scrollTop will be corrupt\n // which causes the terminal to scroll the buffer to the top\n if (!this._viewportElement.offsetParent) {\n return;\n }\n\n // Ignore the event if it was flagged to ignore (when the source of the event is from Viewport)\n if (this._ignoreNextScrollEvent) {\n this._ignoreNextScrollEvent = false;\n return;\n }\n\n const newRow = Math.round(this._lastScrollTop / this._currentRowHeight);\n const diff = newRow - this._terminal.buffer.ydisp;\n this._terminal.scrollLines(diff, true);\n }\n\n /**\n * Handles mouse wheel events by adjusting the viewport's scrollTop and delegating the actual\n * scrolling to `onScroll`, this event needs to be attached manually by the consumer of\n * `Viewport`.\n * @param ev The mouse wheel event.\n */\n public onWheel(ev: WheelEvent): void {\n const amount = this._getPixelsScrolled(ev);\n if (amount === 0) {\n return;\n }\n this._viewportElement.scrollTop += amount;\n // Prevent the page from scrolling when the terminal scrolls\n ev.preventDefault();\n }\n\n private _getPixelsScrolled(ev: WheelEvent): number {\n // Do nothing if it's not a vertical scroll event\n if (ev.deltaY === 0) {\n return 0;\n }\n\n // Fallback to WheelEvent.DOM_DELTA_PIXEL\n let amount = ev.deltaY;\n if (ev.deltaMode === WheelEvent.DOM_DELTA_LINE) {\n amount *= this._currentRowHeight;\n } else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {\n amount *= this._currentRowHeight * this._terminal.rows;\n }\n return amount;\n }\n\n /**\n * Gets the number of pixels scrolled by the mouse event taking into account what type of delta\n * is being used.\n * @param ev The mouse wheel event.\n */\n public getLinesScrolled(ev: WheelEvent): number {\n // Do nothing if it's not a vertical scroll event\n if (ev.deltaY === 0) {\n return 0;\n }\n\n // Fallback to WheelEvent.DOM_DELTA_LINE\n let amount = ev.deltaY;\n if (ev.deltaMode === WheelEvent.DOM_DELTA_PIXEL) {\n amount /= this._currentRowHeight + 0.0; // Prevent integer division\n this._wheelPartialScroll += amount;\n amount = Math.floor(Math.abs(this._wheelPartialScroll)) * (this._wheelPartialScroll > 0 ? 1 : -1);\n this._wheelPartialScroll %= 1;\n } else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {\n amount *= this._terminal.rows;\n }\n return amount;\n }\n\n /**\n * Handles the touchstart event, recording the touch occurred.\n * @param ev The touch event.\n */\n public onTouchStart(ev: TouchEvent): void {\n this._lastTouchY = ev.touches[0].pageY;\n }\n\n /**\n * Handles the touchmove event, scrolling the viewport if the position shifted.\n * @param ev The touch event.\n */\n public onTouchMove(ev: TouchEvent): void {\n const deltaY = this._lastTouchY - ev.touches[0].pageY;\n this._lastTouchY = ev.touches[0].pageY;\n if (deltaY === 0) {\n return;\n }\n this._viewportElement.scrollTop += deltaY;\n ev.preventDefault();\n }\n}\n","/**\n * Copyright (c) 2014 The xterm.js authors. All rights reserved.\n * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)\n * @license MIT\n *\n * Originally forked from (with the author's permission):\n * Fabrice Bellard's javascript vt100 for jslinux:\n * http://bellard.org/jslinux/\n * Copyright (c) 2011 Fabrice Bellard\n * The original design remains. The terminal itself\n * has been extended to include xterm CSI codes, among\n * other features.\n *\n * Terminal Emulation References:\n * http://vt100.net/\n * http://invisible-island.net/xterm/ctlseqs/ctlseqs.txt\n * http://invisible-island.net/xterm/ctlseqs/ctlseqs.html\n * http://invisible-island.net/vttest/\n * http://www.inwap.com/pdp10/ansicode.txt\n * http://linux.die.net/man/4/console_codes\n * http://linux.die.net/man/7/urxvt\n */\n\nimport { IInputHandlingTerminal, IViewport, ICompositionHelper, ITerminalOptions, ITerminal, IBrowser, ILinkifier, ILinkMatcherOptions, CustomKeyEventHandler, LinkMatcherHandler, CharacterJoinerHandler, IBufferLine, IAttributeData, IMouseZoneManager } from './Types';\nimport { IRenderer } from './renderer/Types';\nimport { BufferSet } from './BufferSet';\nimport { Buffer, MAX_BUFFER_SIZE, DEFAULT_ATTR_DATA } from './Buffer';\nimport { CompositionHelper } from './CompositionHelper';\nimport { EventEmitter } from './common/EventEmitter';\nimport { Viewport } from './Viewport';\nimport { rightClickHandler, moveTextAreaUnderMouseCursor, pasteHandler, copyHandler } from './Clipboard';\nimport { C0 } from './common/data/EscapeSequences';\nimport { InputHandler } from './InputHandler';\nimport { Renderer } from './renderer/Renderer';\nimport { Linkifier } from './Linkifier';\nimport { SelectionManager } from './SelectionManager';\nimport { CharMeasure } from './CharMeasure';\nimport * as Browser from './common/Platform';\nimport { addDisposableDomListener } from './ui/Lifecycle';\nimport * as Strings from './Strings';\nimport { MouseHelper } from './MouseHelper';\nimport { DEFAULT_BELL_SOUND, SoundManager } from './SoundManager';\nimport { MouseZoneManager } from './MouseZoneManager';\nimport { AccessibilityManager } from './AccessibilityManager';\nimport { ScreenDprMonitor } from './ui/ScreenDprMonitor';\nimport { ITheme, IMarker, IDisposable } from 'xterm';\nimport { removeTerminalFromCache } from './renderer/atlas/CharAtlasCache';\nimport { DomRenderer } from './renderer/dom/DomRenderer';\nimport { IKeyboardEvent } from './common/Types';\nimport { evaluateKeyboardEvent } from './core/input/Keyboard';\nimport { KeyboardResultType, ICharset } from './core/Types';\nimport { clone } from './common/Clone';\nimport { EventEmitter2, IEvent } from './common/EventEmitter2';\nimport { Attributes } from './BufferLine';\nimport { applyWindowsMode } from './WindowsMode';\n\n// Let it work inside Node.js for automated testing purposes.\nconst document = (typeof window !== 'undefined') ? window.document : null;\n\n/**\n * The amount of write requests to queue before sending an XOFF signal to the\n * pty process. This number must be small in order for ^C and similar sequences\n * to be responsive.\n */\nconst WRITE_BUFFER_PAUSE_THRESHOLD = 5;\n\n/**\n * The max number of ms to spend on writes before allowing the renderer to\n * catch up with a 0ms setTimeout. A value of < 33 to keep us close to\n * 30fps, and a value of < 16 to try to run at 60fps. Of course, the real FPS\n * depends on the time it takes for the renderer to draw the frame.\n */\nconst WRITE_TIMEOUT_MS = 12;\n\nconst MINIMUM_COLS = 2; // Less than 2 can mess with wide chars\nconst MINIMUM_ROWS = 1;\n\n/**\n * The set of options that only have an effect when set in the Terminal constructor.\n */\nconst CONSTRUCTOR_ONLY_OPTIONS = ['cols', 'rows'];\n\nconst DEFAULT_OPTIONS: ITerminalOptions = {\n cols: 80,\n rows: 24,\n convertEol: false,\n termName: 'xterm',\n cursorBlink: false,\n cursorStyle: 'block',\n bellSound: DEFAULT_BELL_SOUND,\n bellStyle: 'none',\n drawBoldTextInBrightColors: true,\n enableBold: true,\n experimentalCharAtlas: 'static',\n fontFamily: 'courier-new, courier, monospace',\n fontSize: 15,\n fontWeight: 'normal',\n fontWeightBold: 'bold',\n lineHeight: 1.0,\n letterSpacing: 0,\n scrollback: 1000,\n screenKeys: false,\n screenReaderMode: false,\n debug: false,\n macOptionIsMeta: false,\n macOptionClickForcesSelection: false,\n cancelEvents: false,\n disableStdin: false,\n useFlowControl: false,\n allowTransparency: false,\n tabStopWidth: 8,\n theme: null,\n rightClickSelectsWord: Browser.isMac,\n rendererType: 'canvas',\n windowsMode: false\n};\n\nexport class Terminal extends EventEmitter implements ITerminal, IDisposable, IInputHandlingTerminal {\n public textarea: HTMLTextAreaElement;\n public element: HTMLElement;\n public screenElement: HTMLElement;\n\n /**\n * The HTMLElement that the terminal is created in, set by Terminal.open.\n */\n private _parent: HTMLElement;\n private _context: Window;\n private _document: Document;\n private _viewportScrollArea: HTMLElement;\n private _viewportElement: HTMLElement;\n private _helperContainer: HTMLElement;\n private _compositionView: HTMLElement;\n\n private _visualBellTimer: number;\n\n public browser: IBrowser = <any>Browser;\n\n public options: ITerminalOptions;\n\n // TODO: This can be changed to an enum or boolean, 0 and 1 seem to be the only options\n public cursorState: number;\n public cursorHidden: boolean;\n\n private _customKeyEventHandler: CustomKeyEventHandler;\n\n // modes\n public applicationKeypad: boolean;\n public applicationCursor: boolean;\n public originMode: boolean;\n public insertMode: boolean;\n public wraparoundMode: boolean; // defaults: xterm - true, vt100 - false\n public bracketedPasteMode: boolean;\n\n // charset\n // The current charset\n public charset: ICharset;\n public gcharset: number;\n public glevel: number;\n public charsets: ICharset[];\n\n // mouse properties\n private _decLocator: boolean; // This is unstable and never set\n public x10Mouse: boolean;\n public vt200Mouse: boolean;\n private _vt300Mouse: boolean; // This is unstable and never set\n public normalMouse: boolean;\n public mouseEvents: boolean;\n public sendFocus: boolean;\n public utfMouse: boolean;\n public sgrMouse: boolean;\n public urxvtMouse: boolean;\n\n // misc\n private _refreshStart: number;\n private _refreshEnd: number;\n public savedCols: number;\n\n public curAttrData: IAttributeData;\n private _eraseAttrData: IAttributeData;\n\n public params: (string | number)[];\n public currentParam: string | number;\n\n // user input states\n public writeBuffer: string[];\n private _writeInProgress: boolean;\n\n /**\n * Whether _xterm.js_ sent XOFF in order to catch up with the pty process.\n * This is a distinct state from writeStopped so that if the user requested\n * XOFF via ^S that it will not automatically resume when the writeBuffer goes\n * below threshold.\n */\n private _xoffSentToCatchUp: boolean;\n\n /** Whether writing has been stopped as a result of XOFF */\n // private _writeStopped: boolean;\n\n // Store if user went browsing history in scrollback\n private _userScrolling: boolean;\n\n private _inputHandler: InputHandler;\n public soundManager: SoundManager;\n public renderer: IRenderer;\n public selectionManager: SelectionManager;\n public linkifier: ILinkifier;\n public buffers: BufferSet;\n public viewport: IViewport;\n private _compositionHelper: ICompositionHelper;\n public charMeasure: CharMeasure;\n private _mouseZoneManager: IMouseZoneManager;\n public mouseHelper: MouseHelper;\n private _accessibilityManager: AccessibilityManager;\n private _screenDprMonitor: ScreenDprMonitor;\n private _theme: ITheme;\n private _windowsMode: IDisposable | undefined;\n\n // bufferline to clone/copy from for new blank lines\n private _blankLine: IBufferLine = null;\n\n public cols: number;\n public rows: number;\n\n private _onCursorMove = new EventEmitter2<void>();\n public get onCursorMove(): IEvent<void> { return this._onCursorMove.event; }\n private _onData = new EventEmitter2<string>();\n public get onData(): IEvent<string> { return this._onData.event; }\n private _onKey = new EventEmitter2<{ key: string, domEvent: KeyboardEvent }>();\n public get onKey(): IEvent<{ key: string, domEvent: KeyboardEvent }> { return this._onKey.event; }\n private _onLineFeed = new EventEmitter2<void>();\n public get onLineFeed(): IEvent<void> { return this._onLineFeed.event; }\n private _onRender = new EventEmitter2<{ start: number, end: number }>();\n public get onRender(): IEvent<{ start: number, end: number }> { return this._onRender.event; }\n private _onResize = new EventEmitter2<{ cols: number, rows: number }>();\n public get onResize(): IEvent<{ cols: number, rows: number }> { return this._onResize.event; }\n private _onScroll = new EventEmitter2<number>();\n public get onScroll(): IEvent<number> { return this._onScroll.event; }\n private _onSelectionChange = new EventEmitter2<void>();\n public get onSelectionChange(): IEvent<void> { return this._onSelectionChange.event; }\n private _onTitleChange = new EventEmitter2<string>();\n public get onTitleChange(): IEvent<string> { return this._onTitleChange.event; }\n\n /**\n * Creates a new `Terminal` object.\n *\n * @param options An object containing a set of options, the available options are:\n * - `cursorBlink` (boolean): Whether the terminal cursor blinks\n * - `cols` (number): The number of columns of the terminal (horizontal size)\n * - `rows` (number): The number of rows of the terminal (vertical size)\n *\n * @public\n * @class Xterm Xterm\n * @alias module:xterm/src/xterm\n */\n constructor(\n options: ITerminalOptions = {}\n ) {\n super();\n this.options = clone(options);\n this._setup();\n\n // TODO: Remove these in v4\n // Fire old style events from new emitters\n this.onCursorMove(() => this.emit('cursormove'));\n this.onData(e => this.emit('data', e));\n this.onKey(e => this.emit('key', e.key, e.domEvent));\n this.onLineFeed(() => this.emit('linefeed'));\n this.onRender(e => this.emit('refresh', e));\n this.onResize(e => this.emit('resize', e));\n this.onSelectionChange(() => this.emit('selection'));\n this.onScroll(e => this.emit('scroll', e));\n this.onTitleChange(e => this.emit('title', e));\n }\n\n public dispose(): void {\n super.dispose();\n if (this._windowsMode) {\n this._windowsMode.dispose();\n this._windowsMode = undefined;\n }\n this._customKeyEventHandler = null;\n removeTerminalFromCache(this);\n this.handler = () => {};\n this.write = () => {};\n if (this.element && this.element.parentNode) {\n this.element.parentNode.removeChild(this.element);\n }\n }\n\n /**\n * @deprecated Use dispose instead.\n */\n public destroy(): void {\n this.dispose();\n }\n\n private _setup(): void {\n Object.keys(DEFAULT_OPTIONS).forEach((key) => {\n if (this.options[key] === null || this.options[key] === undefined) {\n this.options[key] = DEFAULT_OPTIONS[key];\n }\n });\n\n // this.context = options.context || window;\n // this.document = options.document || document;\n // TODO: WHy not document.body?\n this._parent = document ? document.body : null;\n\n this.cols = Math.max(this.options.cols, MINIMUM_COLS);\n this.rows = Math.max(this.options.rows, MINIMUM_ROWS);\n\n if (this.options.handler) {\n this.onData(this.options.handler);\n }\n\n this.cursorState = 0;\n this.cursorHidden = false;\n this._customKeyEventHandler = null;\n\n // modes\n this.applicationKeypad = false;\n this.applicationCursor = false;\n this.originMode = false;\n this.insertMode = false;\n this.wraparoundMode = true; // defaults: xterm - true, vt100 - false\n this.bracketedPasteMode = false;\n\n // charset\n this.charset = null;\n this.gcharset = null;\n this.glevel = 0;\n // TODO: Can this be just []?\n this.charsets = [null];\n\n this.curAttrData = DEFAULT_ATTR_DATA.clone();\n this._eraseAttrData = DEFAULT_ATTR_DATA.clone();\n\n this.params = [];\n this.currentParam = 0;\n\n // user input states\n this.writeBuffer = [];\n this._writeInProgress = false;\n\n this._xoffSentToCatchUp = false;\n // this._writeStopped = false;\n this._userScrolling = false;\n\n // Register input handler and refire/handle events\n this._inputHandler = new InputHandler(this);\n this._inputHandler.onCursorMove(() => this._onCursorMove.fire());\n this._inputHandler.onLineFeed(() => this._onLineFeed.fire());\n this._inputHandler.onData(e => this._onData.fire(e));\n this.register(this._inputHandler);\n\n // Reuse renderer if the Terminal is being recreated via a reset call.\n this.renderer = this.renderer || null;\n this.selectionManager = this.selectionManager || null;\n this.linkifier = this.linkifier || new Linkifier(this);\n this._mouseZoneManager = this._mouseZoneManager || null;\n this.soundManager = this.soundManager || new SoundManager(this);\n\n // Create the terminal's buffers and set the current buffer\n this.buffers = new BufferSet(this);\n if (this.selectionManager) {\n this.selectionManager.clearSelection();\n this.selectionManager.initBuffersListeners();\n }\n\n if (this.options.windowsMode) {\n this._windowsMode = applyWindowsMode(this);\n }\n }\n\n /**\n * Convenience property to active buffer.\n */\n public get buffer(): Buffer {\n return this.buffers.active;\n }\n\n /**\n * back_color_erase feature for xterm.\n */\n public eraseAttrData(): IAttributeData {\n this._eraseAttrData.bg &= ~(Attributes.CM_MASK | 0xFFFFFF);\n this._eraseAttrData.bg |= this.curAttrData.bg & ~0xFC000000;\n return this._eraseAttrData;\n }\n\n /**\n * Focus the terminal. Delegates focus handling to the terminal's DOM element.\n */\n public focus(): void {\n if (this.textarea) {\n this.textarea.focus({ preventScroll: true });\n }\n }\n\n public get isFocused(): boolean {\n return document.activeElement === this.textarea && document.hasFocus();\n }\n\n /**\n * Retrieves an option's value from the terminal.\n * @param key The option key.\n */\n public getOption(key: string): any {\n if (!(key in DEFAULT_OPTIONS)) {\n throw new Error('No option with key \"' + key + '\"');\n }\n\n return this.options[key];\n }\n\n /**\n * Sets an option on the terminal.\n * @param key The option key.\n * @param value The option value.\n */\n public setOption(key: string, value: any): void {\n if (!(key in DEFAULT_OPTIONS)) {\n throw new Error('No option with key \"' + key + '\"');\n }\n if (CONSTRUCTOR_ONLY_OPTIONS.indexOf(key) !== -1) {\n console.error(`Option \"${key}\" can only be set in the constructor`);\n }\n if (this.options[key] === value) {\n return;\n }\n switch (key) {\n case 'bellStyle':\n if (!value) {\n value = 'none';\n }\n break;\n case 'cursorStyle':\n if (!value) {\n value = 'block';\n }\n break;\n case 'fontWeight':\n if (!value) {\n value = 'normal';\n }\n break;\n case 'fontWeightBold':\n if (!value) {\n value = 'bold';\n }\n break;\n case 'lineHeight':\n if (value < 1) {\n console.warn(`${key} cannot be less than 1, value: ${value}`);\n return;\n }\n case 'rendererType':\n if (!value) {\n value = 'canvas';\n }\n break;\n case 'tabStopWidth':\n if (value < 1) {\n console.warn(`${key} cannot be less than 1, value: ${value}`);\n return;\n }\n break;\n case 'theme':\n // If open has been called we do not want to set options.theme as the\n // source of truth is owned by the renderer.\n if (this.renderer) {\n this._setTheme(<ITheme>value);\n return;\n }\n break;\n case 'scrollback':\n value = Math.min(value, MAX_BUFFER_SIZE);\n\n if (value < 0) {\n console.warn(`${key} cannot be less than 0, value: ${value}`);\n return;\n }\n if (this.options[key] !== value) {\n const newBufferLength = this.rows + value;\n if (this.buffer.lines.length > newBufferLength) {\n const amountToTrim = this.buffer.lines.length - newBufferLength;\n const needsRefresh = (this.buffer.ydisp - amountToTrim < 0);\n this.buffer.lines.trimStart(amountToTrim);\n this.buffer.ybase = Math.max(this.buffer.ybase - amountToTrim, 0);\n this.buffer.ydisp = Math.max(this.buffer.ydisp - amountToTrim, 0);\n if (needsRefresh) {\n this.refresh(0, this.rows - 1);\n }\n }\n }\n break;\n }\n this.options[key] = value;\n switch (key) {\n case 'fontFamily':\n case 'fontSize':\n // When the font changes the size of the cells may change which requires a renderer clear\n if (this.renderer) {\n this.renderer.clear();\n this.charMeasure.measure(this.options);\n }\n break;\n case 'drawBoldTextInBrightColors':\n case 'experimentalCharAtlas':\n case 'enableBold':\n case 'letterSpacing':\n case 'lineHeight':\n case 'fontWeight':\n case 'fontWeightBold':\n // When the font changes the size of the cells may change which requires a renderer clear\n if (this.renderer) {\n this.renderer.clear();\n this.renderer.onResize(this.cols, this.rows);\n this.refresh(0, this.rows - 1);\n }\n break;\n case 'rendererType':\n if (this.renderer) {\n this.unregister(this.renderer);\n this.renderer.dispose();\n this.renderer = null;\n }\n this._setupRenderer();\n this.renderer.onCharSizeChanged();\n if (this._theme) {\n this.renderer.setTheme(this._theme);\n }\n this.mouseHelper.setRenderer(this.renderer);\n break;\n case 'scrollback':\n this.buffers.resize(this.cols, this.rows);\n if (this.viewport) {\n this.viewport.syncScrollArea();\n }\n break;\n case 'screenReaderMode':\n if (value) {\n if (!this._accessibilityManager) {\n this._accessibilityManager = new AccessibilityManager(this);\n }\n } else {\n if (this._accessibilityManager) {\n this._accessibilityManager.dispose();\n this._accessibilityManager = null;\n }\n }\n break;\n case 'tabStopWidth': this.buffers.setupTabStops(); break;\n case 'windowsMode':\n if (value) {\n if (!this._windowsMode) {\n this._windowsMode = applyWindowsMode(this);\n }\n } else {\n if (this._windowsMode) {\n this._windowsMode.dispose();\n this._windowsMode = undefined;\n }\n }\n break;\n }\n // Inform renderer of changes\n if (this.renderer) {\n this.renderer.onOptionsChanged();\n }\n }\n\n /**\n * Binds the desired focus behavior on a given terminal object.\n */\n private _onTextAreaFocus(ev: KeyboardEvent): void {\n if (this.sendFocus) {\n this.handler(C0.ESC + '[I');\n }\n this.updateCursorStyle(ev);\n this.element.classList.add('focus');\n this.showCursor();\n this.emit('focus');\n }\n\n /**\n * Blur the terminal, calling the blur function on the terminal's underlying\n * textarea.\n */\n public blur(): void {\n return this.textarea.blur();\n }\n\n /**\n * Binds the desired blur behavior on a given terminal object.\n */\n private _onTextAreaBlur(): void {\n // Text can safely be removed on blur. Doing it earlier could interfere with\n // screen readers reading it out.\n this.textarea.value = '';\n this.refresh(this.buffer.y, this.buffer.y);\n if (this.sendFocus) {\n this.handler(C0.ESC + '[O');\n }\n this.element.classList.remove('focus');\n this.emit('blur');\n }\n\n /**\n * Initialize default behavior\n */\n private _initGlobal(): void {\n this._bindKeys();\n\n // Bind clipboard functionality\n this.register(addDisposableDomListener(this.element, 'copy', (event: ClipboardEvent) => {\n // If mouse events are active it means the selection manager is disabled and\n // copy should be handled by the host program.\n if (!this.hasSelection()) {\n return;\n }\n copyHandler(event, this, this.selectionManager);\n }));\n const pasteHandlerWrapper = (event: ClipboardEvent) => pasteHandler(event, this);\n this.register(addDisposableDomListener(this.textarea, 'paste', pasteHandlerWrapper));\n this.register(addDisposableDomListener(this.element, 'paste', pasteHandlerWrapper));\n\n // Handle right click context menus\n if (Browser.isFirefox) {\n // Firefox doesn't appear to fire the contextmenu event on right click\n this.register(addDisposableDomListener(this.element, 'mousedown', (event: MouseEvent) => {\n if (event.button === 2) {\n rightClickHandler(event, this, this.selectionManager, this.options.rightClickSelectsWord);\n }\n }));\n } else {\n this.register(addDisposableDomListener(this.element, 'contextmenu', (event: MouseEvent) => {\n rightClickHandler(event, this, this.selectionManager, this.options.rightClickSelectsWord);\n }));\n }\n\n // Move the textarea under the cursor when middle clicking on Linux to ensure\n // middle click to paste selection works. This only appears to work in Chrome\n // at the time is writing.\n if (Browser.isLinux) {\n // Use auxclick event over mousedown the latter doesn't seem to work. Note\n // that the regular click event doesn't fire for the middle mouse button.\n this.register(addDisposableDomListener(this.element, 'auxclick', (event: MouseEvent) => {\n if (event.button === 1) {\n moveTextAreaUnderMouseCursor(event, this);\n }\n }));\n }\n }\n\n /**\n * Apply key handling to the terminal\n */\n private _bindKeys(): void {\n const self = this;\n this.register(addDisposableDomListener(this.element, 'keydown', function (ev: KeyboardEvent): void {\n if (document.activeElement !== this) {\n return;\n }\n self._keyDown(ev);\n }, true));\n\n this.register(addDisposableDomListener(this.element, 'keypress', function (ev: KeyboardEvent): void {\n if (document.activeElement !== this) {\n return;\n }\n self._keyPress(ev);\n }, true));\n\n this.register(addDisposableDomListener(this.element, 'keyup', (ev: KeyboardEvent) => {\n if (!wasModifierKeyOnlyEvent(ev)) {\n this.focus();\n }\n\n self._keyUp(ev);\n }, true));\n\n this.register(addDisposableDomListener(this.textarea, 'keydown', (ev: KeyboardEvent) => this._keyDown(ev), true));\n this.register(addDisposableDomListener(this.textarea, 'keypress', (ev: KeyboardEvent) => this._keyPress(ev), true));\n this.register(addDisposableDomListener(this.textarea, 'compositionstart', () => this._compositionHelper.compositionstart()));\n this.register(addDisposableDomListener(this.textarea, 'compositionupdate', (e: CompositionEvent) => this._compositionHelper.compositionupdate(e)));\n this.register(addDisposableDomListener(this.textarea, 'compositionend', () => this._compositionHelper.compositionend()));\n this.register(this.onRender(() => this._compositionHelper.updateCompositionElements()));\n this.register(this.onRender(e => this._queueLinkification(e.start, e.end)));\n }\n\n /**\n * Opens the terminal within an element.\n *\n * @param parent The element to create the terminal within.\n */\n public open(parent: HTMLElement): void {\n this._parent = parent || this._parent;\n\n if (!this._parent) {\n throw new Error('Terminal requires a parent element.');\n }\n\n // Grab global elements\n this._context = this._parent.ownerDocument.defaultView;\n this._document = this._parent.ownerDocument;\n\n this._screenDprMonitor = new ScreenDprMonitor();\n this._screenDprMonitor.setListener(() => this.emit('dprchange', window.devicePixelRatio));\n this.register(this._screenDprMonitor);\n\n // Create main element container\n this.element = this._document.createElement('div');\n this.element.dir = 'ltr'; // xterm.css assumes LTR\n this.element.classList.add('terminal');\n this.element.classList.add('xterm');\n this.element.setAttribute('tabindex', '0');\n this._parent.appendChild(this.element);\n\n // Performance: Use a document fragment to build the terminal\n // viewport and helper elements detached from the DOM\n const fragment = document.createDocumentFragment();\n this._viewportElement = document.createElement('div');\n this._viewportElement.classList.add('xterm-viewport');\n fragment.appendChild(this._viewportElement);\n this._viewportScrollArea = document.createElement('div');\n this._viewportScrollArea.classList.add('xterm-scroll-area');\n this._viewportElement.appendChild(this._viewportScrollArea);\n\n this.screenElement = document.createElement('div');\n this.screenElement.classList.add('xterm-screen');\n // Create the container that will hold helpers like the textarea for\n // capturing DOM Events. Then produce the helpers.\n this._helperContainer = document.createElement('div');\n this._helperContainer.classList.add('xterm-helpers');\n this.screenElement.appendChild(this._helperContainer);\n fragment.appendChild(this.screenElement);\n\n this._mouseZoneManager = new MouseZoneManager(this);\n this.register(this._mouseZoneManager);\n this.register(this.onScroll(() => this._mouseZoneManager.clearAll()));\n this.linkifier.attachToDom(this._mouseZoneManager);\n\n this.textarea = document.createElement('textarea');\n this.textarea.classList.add('xterm-helper-textarea');\n // TODO: New API to set title? This could say \"Terminal bash input\", etc.\n this.textarea.setAttribute('aria-label', Strings.promptLabel);\n this.textarea.setAttribute('aria-multiline', 'false');\n this.textarea.setAttribute('autocorrect', 'off');\n this.textarea.setAttribute('autocapitalize', 'off');\n this.textarea.setAttribute('spellcheck', 'false');\n this.textarea.tabIndex = 0;\n this.register(addDisposableDomListener(this.textarea, 'focus', (ev: KeyboardEvent) => this._onTextAreaFocus(ev)));\n this.register(addDisposableDomListener(this.textarea, 'blur', () => this._onTextAreaBlur()));\n this._helperContainer.appendChild(this.textarea);\n\n this._compositionView = document.createElement('div');\n this._compositionView.classList.add('composition-view');\n this._compositionHelper = new CompositionHelper(this.textarea, this._compositionView, this);\n this._helperContainer.appendChild(this._compositionView);\n\n this.charMeasure = new CharMeasure(document, this._helperContainer);\n\n // Performance: Add viewport and helper elements from the fragment\n this.element.appendChild(fragment);\n\n this._setupRenderer();\n this._theme = this.options.theme;\n this.options.theme = null;\n this.viewport = new Viewport(this, this._viewportElement, this._viewportScrollArea, this.charMeasure);\n this.viewport.onThemeChanged(this.renderer.colorManager.colors);\n this.register(this.viewport);\n\n this.register(this.onCursorMove(() => this.renderer.onCursorMove()));\n this.register(this.onResize(() => this.renderer.onResize(this.cols, this.rows)));\n this.register(this.addDisposableListener('blur', () => this.renderer.onBlur()));\n this.register(this.addDisposableListener('focus', () => this.renderer.onFocus()));\n this.register(this.addDisposableListener('dprchange', () => this.renderer.onWindowResize(window.devicePixelRatio)));\n // dprchange should handle this case, we need this as well for browsers that don't support the\n // matchMedia query.\n this.register(addDisposableDomListener(window, 'resize', () => this.renderer.onWindowResize(window.devicePixelRatio)));\n this.register(this.charMeasure.onCharSizeChanged(() => this.renderer.onCharSizeChanged()));\n this.register(this.renderer.onCanvasResize(() => this.viewport.syncScrollArea()));\n\n this.selectionManager = new SelectionManager(this, this.charMeasure);\n this.register(this.selectionManager.onSelectionChange(() => this._onSelectionChange.fire()));\n this.register(addDisposableDomListener(this.element, 'mousedown', (e: MouseEvent) => this.selectionManager.onMouseDown(e)));\n this.register(this.selectionManager.onRedrawRequest(e => this.renderer.onSelectionChanged(e.start, e.end, e.columnSelectMode)));\n this.register(this.selectionManager.onLinuxMouseSelection(text => {\n // If there's a new selection, put it into the textarea, focus and select it\n // in order to register it as a selection on the OS. This event is fired\n // only on Linux to enable middle click to paste selection.\n this.textarea.value = text;\n this.textarea.focus();\n this.textarea.select();\n }));\n this.register(this.onScroll(() => {\n this.viewport.syncScrollArea();\n this.selectionManager.refresh();\n }));\n this.register(addDisposableDomListener(this._viewportElement, 'scroll', () => this.selectionManager.refresh()));\n\n this.mouseHelper = new MouseHelper(this.renderer);\n // apply mouse event classes set by escape codes before terminal was attached\n this.element.classList.toggle('enable-mouse-events', this.mouseEvents);\n if (this.mouseEvents) {\n this.selectionManager.disable();\n } else {\n this.selectionManager.enable();\n }\n\n if (this.options.screenReaderMode) {\n // Note that this must be done *after* the renderer is created in order to\n // ensure the correct order of the dprchange event\n this._accessibilityManager = new AccessibilityManager(this);\n }\n\n // Measure the character size\n this.charMeasure.measure(this.options);\n\n // Setup loop that draws to screen\n this.refresh(0, this.rows - 1);\n\n // Initialize global actions that need to be taken on the document.\n this._initGlobal();\n\n // Listen for mouse events and translate\n // them into terminal mouse protocols.\n this.bindMouse();\n\n }\n\n private _setupRenderer(): void {\n switch (this.options.rendererType) {\n case 'canvas': this.renderer = new Renderer(this, this.options.theme); break;\n case 'dom': this.renderer = new DomRenderer(this, this.options.theme); break;\n default: throw new Error(`Unrecognized rendererType \"${this.options.rendererType}\"`);\n }\n this.renderer.onRender(e => this._onRender.fire(e));\n this.register(this.renderer);\n }\n\n /**\n * Sets the theme on the renderer. The renderer must have been initialized.\n * @param theme The theme to set.\n */\n private _setTheme(theme: ITheme): void {\n this._theme = theme;\n const colors = this.renderer.setTheme(theme);\n if (this.viewport) {\n this.viewport.onThemeChanged(colors);\n }\n }\n\n /**\n * XTerm mouse events\n * http://invisible-island.net/xterm/ctlseqs/ctlseqs.html#Mouse%20Tracking\n * To better understand these\n * the xterm code is very helpful:\n * Relevant files:\n * button.c, charproc.c, misc.c\n * Relevant functions in xterm/button.c:\n * BtnCode, EmitButtonCode, EditorButton, SendMousePosition\n */\n public bindMouse(): void {\n const el = this.element;\n const self = this;\n let pressed = 32;\n\n // mouseup, mousedown, wheel\n // left click: ^[[M 3<^[[M#3<\n // wheel up: ^[[M`3>\n function sendButton(ev: MouseEvent | WheelEvent): void {\n let button;\n let pos;\n\n // get the xterm-style button\n button = getButton(ev);\n\n // get mouse coordinates\n pos = self.mouseHelper.getRawByteCoords(ev, self.screenElement, self.charMeasure, self.cols, self.rows);\n if (!pos) return;\n\n sendEvent(button, pos);\n\n switch ((<any>ev).overrideType || ev.type) {\n case 'mousedown':\n pressed = button;\n break;\n case 'mouseup':\n // keep it at the left\n // button, just in case.\n pressed = 32;\n break;\n case 'wheel':\n // nothing. don't\n // interfere with\n // `pressed`.\n break;\n }\n }\n\n // motion example of a left click:\n // ^[[M 3<^[[M at 4<^[[M at 5<^[[M at 6<^[[M at 7<^[[M#7<\n function sendMove(ev: MouseEvent): void {\n let button = pressed;\n const pos = self.mouseHelper.getRawByteCoords(ev, self.screenElement, self.charMeasure, self.cols, self.rows);\n if (!pos) return;\n\n // buttons marked as motions\n // are incremented by 32\n button += 32;\n\n sendEvent(button, pos);\n }\n\n // encode button and\n // position to characters\n function encode(data: number[], ch: number): void {\n if (!self.utfMouse) {\n if (ch === 255) {\n data.push(0);\n return;\n }\n if (ch > 127) ch = 127;\n data.push(ch);\n } else {\n if (ch > 2047) {\n data.push(2047);\n return;\n }\n data.push(ch);\n }\n }\n\n // send a mouse event:\n // regular/utf8: ^[[M Cb Cx Cy\n // urxvt: ^[[ Cb ; Cx ; Cy M\n // sgr: ^[[ Cb ; Cx ; Cy M/m\n // vt300: ^[[ 24(1/3/5)~ [ Cx , Cy ] \\r\n // locator: CSI P e ; P b ; P r ; P c ; P p & w\n function sendEvent(button: number, pos: {x: number, y: number}): void {\n // self.emit('mouse', {\n // x: pos.x - 32,\n // y: pos.x - 32,\n // button: button\n // });\n\n if (self._vt300Mouse) {\n // NOTE: Unstable.\n // http://www.vt100.net/docs/vt3xx-gp/chapter15.html\n button &= 3;\n pos.x -= 32;\n pos.y -= 32;\n let data = C0.ESC + '[24';\n if (button === 0) data += '1';\n else if (button === 1) data += '3';\n else if (button === 2) data += '5';\n else if (button === 3) return;\n else data += '0';\n data += '~[' + pos.x + ',' + pos.y + ']\\r';\n self.handler(data);\n return;\n }\n\n if (self._decLocator) {\n // NOTE: Unstable.\n button &= 3;\n pos.x -= 32;\n pos.y -= 32;\n if (button === 0) button = 2;\n else if (button === 1) button = 4;\n else if (button === 2) button = 6;\n else if (button === 3) button = 3;\n self.handler(C0.ESC + '['\n + button\n + ';'\n + (button === 3 ? 4 : 0)\n + ';'\n + pos.y\n + ';'\n + pos.x\n + ';'\n // Not sure what page is meant to be\n + (<any>pos).page || 0\n + '&w');\n return;\n }\n\n if (self.urxvtMouse) {\n pos.x -= 32;\n pos.y -= 32;\n pos.x++;\n pos.y++;\n self.handler(C0.ESC + '[' + button + ';' + pos.x + ';' + pos.y + 'M');\n return;\n }\n\n if (self.sgrMouse) {\n pos.x -= 32;\n pos.y -= 32;\n self.handler(C0.ESC + '[<'\n + (((button & 3) === 3 ? button & ~3 : button) - 32)\n + ';'\n + pos.x\n + ';'\n + pos.y\n + ((button & 3) === 3 ? 'm' : 'M'));\n return;\n }\n\n const data: number[] = [];\n\n encode(data, button);\n encode(data, pos.x);\n encode(data, pos.y);\n\n self.handler(C0.ESC + '[M' + String.fromCharCode.apply(String, data));\n }\n\n function getButton(ev: MouseEvent): number {\n let button;\n let shift;\n let meta;\n let ctrl;\n let mod;\n\n // two low bits:\n // 0 = left\n // 1 = middle\n // 2 = right\n // 3 = release\n // wheel up/down:\n // 1, and 2 - with 64 added\n switch ((<any>ev).overrideType || ev.type) {\n case 'mousedown':\n button = ev.button !== null && ev.button !== undefined\n ? +ev.button\n : ev.which !== null && ev.which !== undefined\n ? ev.which - 1\n : null;\n\n if (Browser.isMSIE) {\n button = button === 1 ? 0 : button === 4 ? 1 : button;\n }\n break;\n case 'mouseup':\n button = 3;\n break;\n case 'DOMMouseScroll':\n button = ev.detail < 0\n ? 64\n : 65;\n break;\n case 'wheel':\n button = (<WheelEvent>ev).deltaY < 0\n ? 64\n : 65;\n break;\n }\n\n // next three bits are the modifiers:\n // 4 = shift, 8 = meta, 16 = control\n shift = ev.shiftKey ? 4 : 0;\n meta = ev.metaKey ? 8 : 0;\n ctrl = ev.ctrlKey ? 16 : 0;\n mod = shift | meta | ctrl;\n\n // no mods\n if (self.vt200Mouse) {\n // ctrl only\n mod &= ctrl;\n } else if (!self.normalMouse) {\n mod = 0;\n }\n\n // increment to SP\n button = (32 + (mod << 2)) + button;\n\n return button;\n }\n\n this.register(addDisposableDomListener(el, 'mousedown', (ev: MouseEvent) => {\n\n // Prevent the focus on the textarea from getting lost\n // and make sure we get focused on mousedown\n ev.preventDefault();\n this.focus();\n\n // Don't send the mouse button to the pty if mouse events are disabled or\n // if the selection manager is having selection forced (ie. a modifier is\n // held).\n if (!this.mouseEvents || this.selectionManager.shouldForceSelection(ev)) {\n return;\n }\n\n // send the button\n sendButton(ev);\n\n // fix for odd bug\n // if (this.vt200Mouse && !this.normalMouse) {\n if (this.vt200Mouse) {\n (<any>ev).overrideType = 'mouseup';\n sendButton(ev);\n return this.cancel(ev);\n }\n\n // TODO: All mouse handling should be pulled into its own file.\n\n // bind events\n let moveHandler: (event: MouseEvent) => void;\n if (this.normalMouse) {\n moveHandler = (event: MouseEvent) => {\n // Do nothing if normal mouse mode is on. This can happen if the mouse is held down when the\n // terminal exits normalMouse mode.\n if (!this.normalMouse) {\n return;\n }\n sendMove(event);\n };\n // TODO: these event listeners should be managed by the disposable, the Terminal reference may\n // be kept aroud if Terminal.dispose is fired when the mouse is down\n this._document.addEventListener('mousemove', moveHandler);\n }\n\n // x10 compatibility mode can't send button releases\n const handler = (ev: MouseEvent) => {\n if (this.normalMouse && !this.x10Mouse) {\n sendButton(ev);\n }\n if (moveHandler) {\n // Even though this should only be attached when this.normalMouse is true, holding the\n // mouse button down when normalMouse changes can happen. Just always try to remove it.\n this._document.removeEventListener('mousemove', moveHandler);\n moveHandler = null;\n }\n this._document.removeEventListener('mouseup', handler);\n return this.cancel(ev);\n };\n this._document.addEventListener('mouseup', handler);\n\n return this.cancel(ev);\n }));\n\n // if (this.normalMouse) {\n // on(this.document, 'mousemove', sendMove);\n // }\n\n this.register(addDisposableDomListener(el, 'wheel', (ev: WheelEvent) => {\n if (!this.mouseEvents) {\n // Convert wheel events into up/down events when the buffer does not have scrollback, this\n // enables scrolling in apps hosted in the alt buffer such as vim or tmux.\n if (!this.buffer.hasScrollback) {\n const amount = this.viewport.getLinesScrolled(ev);\n\n // Do nothing if there's no vertical scroll\n if (amount === 0) {\n return;\n }\n\n // Construct and send sequences\n const sequence = C0.ESC + (this.applicationCursor ? 'O' : '[') + ( ev.deltaY < 0 ? 'A' : 'B');\n let data = '';\n for (let i = 0; i < Math.abs(amount); i++) {\n data += sequence;\n }\n this.handler(data);\n }\n return;\n }\n if (this.x10Mouse || this._vt300Mouse || this._decLocator) return;\n sendButton(ev);\n ev.preventDefault();\n }));\n\n // allow wheel scrolling in\n // the shell for example\n this.register(addDisposableDomListener(el, 'wheel', (ev: WheelEvent) => {\n if (this.mouseEvents) return;\n this.viewport.onWheel(ev);\n return this.cancel(ev);\n }));\n\n this.register(addDisposableDomListener(el, 'touchstart', (ev: TouchEvent) => {\n if (this.mouseEvents) return;\n this.viewport.onTouchStart(ev);\n return this.cancel(ev);\n }));\n\n this.register(addDisposableDomListener(el, 'touchmove', (ev: TouchEvent) => {\n if (this.mouseEvents) return;\n this.viewport.onTouchMove(ev);\n return this.cancel(ev);\n }));\n }\n\n /**\n * Tells the renderer to refresh terminal content between two rows (inclusive) at the next\n * opportunity.\n * @param start The row to start from (between 0 and this.rows - 1).\n * @param end The row to end at (between start and this.rows - 1).\n */\n public refresh(start: number, end: number): void {\n if (this.renderer) {\n this.renderer.refreshRows(start, end);\n }\n }\n\n /**\n * Queues linkification for the specified rows.\n * @param start The row to start from (between 0 and this.rows - 1).\n * @param end The row to end at (between start and this.rows - 1).\n */\n private _queueLinkification(start: number, end: number): void {\n if (this.linkifier) {\n this.linkifier.linkifyRows(start, end);\n }\n }\n\n /**\n * Change the cursor style for different selection modes\n */\n public updateCursorStyle(ev: KeyboardEvent): void {\n if (this.selectionManager && this.selectionManager.shouldColumnSelect(ev)) {\n this.element.classList.add('column-select');\n } else {\n this.element.classList.remove('column-select');\n }\n }\n\n /**\n * Display the cursor element\n */\n public showCursor(): void {\n if (!this.cursorState) {\n this.cursorState = 1;\n this.refresh(this.buffer.y, this.buffer.y);\n }\n }\n\n /**\n * Scroll the terminal down 1 row, creating a blank line.\n * @param isWrapped Whether the new line is wrapped from the previous line.\n */\n public scroll(isWrapped: boolean = false): void {\n let newLine: IBufferLine;\n newLine = this._blankLine;\n const eraseAttr = this.eraseAttrData();\n if (!newLine || newLine.length !== this.cols || newLine.getFg(0) !== eraseAttr.fg || newLine.getBg(0) !== eraseAttr.bg) {\n newLine = this.buffer.getBlankLine(eraseAttr, isWrapped);\n this._blankLine = newLine;\n }\n newLine.isWrapped = isWrapped;\n\n const topRow = this.buffer.ybase + this.buffer.scrollTop;\n const bottomRow = this.buffer.ybase + this.buffer.scrollBottom;\n\n if (this.buffer.scrollTop === 0) {\n // Determine whether the buffer is going to be trimmed after insertion.\n const willBufferBeTrimmed = this.buffer.lines.isFull;\n\n // Insert the line using the fastest method\n if (bottomRow === this.buffer.lines.length - 1) {\n if (willBufferBeTrimmed) {\n this.buffer.lines.recycle().copyFrom(newLine);\n } else {\n this.buffer.lines.push(newLine.clone());\n }\n } else {\n this.buffer.lines.splice(bottomRow + 1, 0, newLine.clone());\n }\n\n // Only adjust ybase and ydisp when the buffer is not trimmed\n if (!willBufferBeTrimmed) {\n this.buffer.ybase++;\n // Only scroll the ydisp with ybase if the user has not scrolled up\n if (!this._userScrolling) {\n this.buffer.ydisp++;\n }\n } else {\n // When the buffer is full and the user has scrolled up, keep the text\n // stable unless ydisp is right at the top\n if (this._userScrolling) {\n this.buffer.ydisp = Math.max(this.buffer.ydisp - 1, 0);\n }\n }\n } else {\n // scrollTop is non-zero which means no line will be going to the\n // scrollback, instead we can just shift them in-place.\n const scrollRegionHeight = bottomRow - topRow + 1/*as it's zero-based*/;\n this.buffer.lines.shiftElements(topRow + 1, scrollRegionHeight - 1, -1);\n this.buffer.lines.set(bottomRow, newLine.clone());\n }\n\n // Move the viewport to the bottom of the buffer unless the user is\n // scrolling.\n if (!this._userScrolling) {\n this.buffer.ydisp = this.buffer.ybase;\n }\n\n // Flag rows that need updating\n this.updateRange(this.buffer.scrollTop);\n this.updateRange(this.buffer.scrollBottom);\n\n this._onScroll.fire(this.buffer.ydisp);\n }\n\n /**\n * Scroll the display of the terminal\n * @param disp The number of lines to scroll down (negative scroll up).\n * @param suppressScrollEvent Don't emit the scroll event as scrollLines. This is used\n * to avoid unwanted events being handled by the viewport when the event was triggered from the\n * viewport originally.\n */\n public scrollLines(disp: number, suppressScrollEvent?: boolean): void {\n if (disp < 0) {\n if (this.buffer.ydisp === 0) {\n return;\n }\n this._userScrolling = true;\n } else if (disp + this.buffer.ydisp >= this.buffer.ybase) {\n this._userScrolling = false;\n }\n\n const oldYdisp = this.buffer.ydisp;\n this.buffer.ydisp = Math.max(Math.min(this.buffer.ydisp + disp, this.buffer.ybase), 0);\n\n // No change occurred, don't trigger scroll/refresh\n if (oldYdisp === this.buffer.ydisp) {\n return;\n }\n\n if (!suppressScrollEvent) {\n this._onScroll.fire(this.buffer.ydisp);\n }\n\n this.refresh(0, this.rows - 1);\n }\n\n /**\n * Scroll the display of the terminal by a number of pages.\n * @param pageCount The number of pages to scroll (negative scrolls up).\n */\n public scrollPages(pageCount: number): void {\n this.scrollLines(pageCount * (this.rows - 1));\n }\n\n /**\n * Scrolls the display of the terminal to the top.\n */\n public scrollToTop(): void {\n this.scrollLines(-this.buffer.ydisp);\n }\n\n /**\n * Scrolls the display of the terminal to the bottom.\n */\n public scrollToBottom(): void {\n this.scrollLines(this.buffer.ybase - this.buffer.ydisp);\n }\n\n public scrollToLine(line: number): void {\n const scrollAmount = line - this.buffer.ydisp;\n if (scrollAmount !== 0) {\n this.scrollLines(scrollAmount);\n }\n }\n\n /**\n * Writes text to the terminal.\n * @param data The text to write to the terminal.\n */\n public write(data: string): void {\n // Ensure the terminal isn't disposed\n if (this._isDisposed) {\n return;\n }\n\n // Ignore falsy data values (including the empty string)\n if (!data) {\n return;\n }\n\n this.writeBuffer.push(data);\n\n // Send XOFF to pause the pty process if the write buffer becomes too large so\n // xterm.js can catch up before more data is sent. This is necessary in order\n // to keep signals such as ^C responsive.\n if (this.options.useFlowControl && !this._xoffSentToCatchUp && this.writeBuffer.length >= WRITE_BUFFER_PAUSE_THRESHOLD) {\n // XOFF - stop pty pipe\n // XON will be triggered by emulator before processing data chunk\n this.handler(C0.DC3);\n this._xoffSentToCatchUp = true;\n }\n\n if (!this._writeInProgress && this.writeBuffer.length > 0) {\n // Kick off a write which will write all data in sequence recursively\n this._writeInProgress = true;\n // Kick off an async innerWrite so more writes can come in while processing data\n setTimeout(() => {\n this._innerWrite();\n });\n }\n }\n\n protected _innerWrite(bufferOffset: number = 0): void {\n // Ensure the terminal isn't disposed\n if (this._isDisposed) {\n this.writeBuffer = [];\n }\n\n const startTime = Date.now();\n while (this.writeBuffer.length > bufferOffset) {\n const data = this.writeBuffer[bufferOffset];\n bufferOffset++;\n\n // If XOFF was sent in order to catch up with the pty process, resume it if\n // we reached the end of the writeBuffer to allow more data to come in.\n if (this._xoffSentToCatchUp && this.writeBuffer.length === bufferOffset) {\n this.handler(C0.DC1);\n this._xoffSentToCatchUp = false;\n }\n\n this._refreshStart = this.buffer.y;\n this._refreshEnd = this.buffer.y;\n\n // HACK: Set the parser state based on it's state at the time of return.\n // This works around the bug #662 which saw the parser state reset in the\n // middle of parsing escape sequence in two chunks. For some reason the\n // state of the parser resets to 0 after exiting parser.parse. This change\n // just sets the state back based on the correct return statement.\n\n this._inputHandler.parse(data);\n\n this.updateRange(this.buffer.y);\n this.refresh(this._refreshStart, this._refreshEnd);\n\n if (Date.now() - startTime >= WRITE_TIMEOUT_MS) {\n break;\n }\n }\n if (this.writeBuffer.length > bufferOffset) {\n // Allow renderer to catch up before processing the next batch\n setTimeout(() => this._innerWrite(bufferOffset), 0);\n } else {\n this._writeInProgress = false;\n this.writeBuffer = [];\n }\n }\n\n /**\n * Writes text to the terminal, followed by a break line character (\\n).\n * @param data The text to write to the terminal.\n */\n public writeln(data: string): void {\n this.write(data + '\\r\\n');\n }\n\n /**\n * Attaches a custom key event handler which is run before keys are processed,\n * giving consumers of xterm.js ultimate control as to what keys should be\n * processed by the terminal and what keys should not.\n * @param customKeyEventHandler The custom KeyboardEvent handler to attach.\n * This is a function that takes a KeyboardEvent, allowing consumers to stop\n * propagation and/or prevent the default action. The function returns whether\n * the event should be processed by xterm.js.\n */\n public attachCustomKeyEventHandler(customKeyEventHandler: CustomKeyEventHandler): void {\n this._customKeyEventHandler = customKeyEventHandler;\n }\n\n /** Add handler for CSI escape sequence. See xterm.d.ts for details. */\n public addCsiHandler(flag: string, callback: (params: number[], collect: string) => boolean): IDisposable {\n return this._inputHandler.addCsiHandler(flag, callback);\n }\n /** Add handler for OSC escape sequence. See xterm.d.ts for details. */\n public addOscHandler(ident: number, callback: (data: string) => boolean): IDisposable {\n return this._inputHandler.addOscHandler(ident, callback);\n }\n\n /**\n * Registers a link matcher, allowing custom link patterns to be matched and\n * handled.\n * @param regex The regular expression to search for, specifically\n * this searches the textContent of the rows. You will want to use \\s to match\n * a space ' ' character for example.\n * @param handler The callback when the link is called.\n * @param options Options for the link matcher.\n * @return The ID of the new matcher, this can be used to deregister.\n */\n public registerLinkMatcher(regex: RegExp, handler: LinkMatcherHandler, options?: ILinkMatcherOptions): number {\n const matcherId = this.linkifier.registerLinkMatcher(regex, handler, options);\n this.refresh(0, this.rows - 1);\n return matcherId;\n }\n\n /**\n * Deregisters a link matcher if it has been registered.\n * @param matcherId The link matcher's ID (returned after register)\n */\n public deregisterLinkMatcher(matcherId: number): void {\n if (this.linkifier.deregisterLinkMatcher(matcherId)) {\n this.refresh(0, this.rows - 1);\n }\n }\n\n public registerCharacterJoiner(handler: CharacterJoinerHandler): number {\n const joinerId = this.renderer.registerCharacterJoiner(handler);\n this.refresh(0, this.rows - 1);\n return joinerId;\n }\n\n public deregisterCharacterJoiner(joinerId: number): void {\n if (this.renderer.deregisterCharacterJoiner(joinerId)) {\n this.refresh(0, this.rows - 1);\n }\n }\n\n public get markers(): IMarker[] {\n return this.buffer.markers;\n }\n\n public addMarker(cursorYOffset: number): IMarker {\n // Disallow markers on the alt buffer\n if (this.buffer !== this.buffers.normal) {\n return;\n }\n\n return this.buffer.addMarker(this.buffer.ybase + this.buffer.y + cursorYOffset);\n }\n\n /**\n * Gets whether the terminal has an active selection.\n */\n public hasSelection(): boolean {\n return this.selectionManager ? this.selectionManager.hasSelection : false;\n }\n\n /**\n * Gets the terminal's current selection, this is useful for implementing copy\n * behavior outside of xterm.js.\n */\n public getSelection(): string {\n return this.selectionManager ? this.selectionManager.selectionText : '';\n }\n\n /**\n * Clears the current terminal selection.\n */\n public clearSelection(): void {\n if (this.selectionManager) {\n this.selectionManager.clearSelection();\n }\n }\n\n /**\n * Selects all text within the terminal.\n */\n public selectAll(): void {\n if (this.selectionManager) {\n this.selectionManager.selectAll();\n }\n }\n\n public selectLines(start: number, end: number): void {\n if (this.selectionManager) {\n this.selectionManager.selectLines(start, end);\n }\n }\n\n /**\n * Handle a keydown event\n * Key Resources:\n * - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent\n * @param ev The keydown event to be handled.\n */\n protected _keyDown(event: KeyboardEvent): boolean {\n if (this._customKeyEventHandler && this._customKeyEventHandler(event) === false) {\n return false;\n }\n\n if (!this._compositionHelper.keydown(event)) {\n if (this.buffer.ybase !== this.buffer.ydisp) {\n this.scrollToBottom();\n }\n return false;\n }\n\n const result = evaluateKeyboardEvent(event, this.applicationCursor, this.browser.isMac, this.options.macOptionIsMeta);\n\n this.updateCursorStyle(event);\n\n // if (result.key === C0.DC3) { // XOFF\n // this._writeStopped = true;\n // } else if (result.key === C0.DC1) { // XON\n // this._writeStopped = false;\n // }\n\n if (result.type === KeyboardResultType.PAGE_DOWN || result.type === KeyboardResultType.PAGE_UP) {\n const scrollCount = this.rows - 1;\n this.scrollLines(result.type === KeyboardResultType.PAGE_UP ? -scrollCount : scrollCount);\n return this.cancel(event, true);\n }\n\n if (result.type === KeyboardResultType.SELECT_ALL) {\n this.selectAll();\n }\n\n if (this._isThirdLevelShift(this.browser, event)) {\n return true;\n }\n\n if (result.cancel) {\n // The event is canceled at the end already, is this necessary?\n this.cancel(event, true);\n }\n\n if (!result.key) {\n return true;\n }\n\n this.emit('keydown', event);\n this._onKey.fire({ key: result.key, domEvent: event });\n this.showCursor();\n this.handler(result.key);\n\n return this.cancel(event, true);\n }\n\n private _isThirdLevelShift(browser: IBrowser, ev: IKeyboardEvent): boolean {\n const thirdLevelKey =\n (browser.isMac && !this.options.macOptionIsMeta && ev.altKey && !ev.ctrlKey && !ev.metaKey) ||\n (browser.isMSWindows && ev.altKey && ev.ctrlKey && !ev.metaKey);\n\n if (ev.type === 'keypress') {\n return thirdLevelKey;\n }\n\n // Don't invoke for arrows, pageDown, home, backspace, etc. (on non-keypress events)\n return thirdLevelKey && (!ev.keyCode || ev.keyCode > 47);\n }\n\n /**\n * Set the G level of the terminal\n * @param g\n */\n public setgLevel(g: number): void {\n this.glevel = g;\n this.charset = this.charsets[g];\n }\n\n /**\n * Set the charset for the given G level of the terminal\n * @param g\n * @param charset\n */\n public setgCharset(g: number, charset: ICharset): void {\n this.charsets[g] = charset;\n if (this.glevel === g) {\n this.charset = charset;\n }\n }\n\n protected _keyUp(ev: KeyboardEvent): void {\n this.updateCursorStyle(ev);\n }\n\n /**\n * Handle a keypress event.\n * Key Resources:\n * - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent\n * @param ev The keypress event to be handled.\n */\n protected _keyPress(ev: KeyboardEvent): boolean {\n let key;\n\n if (this._customKeyEventHandler && this._customKeyEventHandler(ev) === false) {\n return false;\n }\n\n this.cancel(ev);\n\n if (ev.charCode) {\n key = ev.charCode;\n } else if (ev.which === null || ev.which === undefined) {\n key = ev.keyCode;\n } else if (ev.which !== 0 && ev.charCode !== 0) {\n key = ev.which;\n } else {\n return false;\n }\n\n if (!key || (\n (ev.altKey || ev.ctrlKey || ev.metaKey) && !this._isThirdLevelShift(this.browser, ev)\n )) {\n return false;\n }\n\n key = String.fromCharCode(key);\n\n this.emit('keypress', key, ev);\n this._onKey.fire({ key, domEvent: ev });\n this.showCursor();\n this.handler(key);\n\n return true;\n }\n\n /**\n * Ring the bell.\n * Note: We could do sweet things with webaudio here\n */\n public bell(): void {\n this.emit('bell');\n if (this._soundBell()) {\n this.soundManager.playBellSound();\n }\n\n if (this._visualBell()) {\n this.element.classList.add('visual-bell-active');\n clearTimeout(this._visualBellTimer);\n this._visualBellTimer = window.setTimeout(() => {\n this.element.classList.remove('visual-bell-active');\n }, 200);\n }\n }\n\n /**\n * Log the current state to the console.\n */\n public log(text: string, data?: any): void {\n if (!this.options.debug) return;\n if (!this._context.console || !this._context.console.log) return;\n this._context.console.log(text, data);\n }\n\n /**\n * Log the current state as error to the console.\n */\n public error(text: string, data?: any): void {\n if (!this.options.debug) return;\n if (!this._context.console || !this._context.console.error) return;\n this._context.console.error(text, data);\n }\n\n /**\n * Resizes the terminal.\n *\n * @param x The number of columns to resize to.\n * @param y The number of rows to resize to.\n */\n public resize(x: number, y: number): void {\n if (isNaN(x) || isNaN(y)) {\n return;\n }\n\n if (x === this.cols && y === this.rows) {\n // Check if we still need to measure the char size (fixes #785).\n if (this.charMeasure && (!this.charMeasure.width || !this.charMeasure.height)) {\n this.charMeasure.measure(this.options);\n }\n return;\n }\n\n if (x < MINIMUM_COLS) x = MINIMUM_COLS;\n if (y < MINIMUM_ROWS) y = MINIMUM_ROWS;\n\n this.buffers.resize(x, y);\n\n this.cols = x;\n this.rows = y;\n this.buffers.setupTabStops(this.cols);\n\n if (this.charMeasure) {\n this.charMeasure.measure(this.options);\n }\n\n this.refresh(0, this.rows - 1);\n this._onResize.fire({ cols: x, rows: y });\n }\n\n /**\n * Updates the range of rows to refresh\n * @param y The number of rows to refresh next.\n */\n public updateRange(y: number): void {\n if (y < this._refreshStart) this._refreshStart = y;\n if (y > this._refreshEnd) this._refreshEnd = y;\n // if (y > this.refreshEnd) {\n // this.refreshEnd = y;\n // if (y > this.rows - 1) {\n // this.refreshEnd = this.rows - 1;\n // }\n // }\n }\n\n /**\n * Set the range of refreshing to the maximum value\n */\n public maxRange(): void {\n this._refreshStart = 0;\n this._refreshEnd = this.rows - 1;\n }\n\n /**\n * Clear the entire buffer, making the prompt line the new first line.\n */\n public clear(): void {\n if (this.buffer.ybase === 0 && this.buffer.y === 0) {\n // Don't clear if it's already clear\n return;\n }\n this.buffer.lines.set(0, this.buffer.lines.get(this.buffer.ybase + this.buffer.y));\n this.buffer.lines.length = 1;\n this.buffer.ydisp = 0;\n this.buffer.ybase = 0;\n this.buffer.y = 0;\n for (let i = 1; i < this.rows; i++) {\n this.buffer.lines.push(this.buffer.getBlankLine(DEFAULT_ATTR_DATA));\n }\n this.refresh(0, this.rows - 1);\n this._onScroll.fire(this.buffer.ydisp);\n }\n\n /**\n * Evaluate if the current terminal is the given argument.\n * @param term The terminal name to evaluate\n */\n public is(term: string): boolean {\n return (this.options.termName + '').indexOf(term) === 0;\n }\n\n /**\n * Emit the data event and populate the given data.\n * @param data The data to populate in the event.\n */\n public handler(data: string): void {\n // Prevents all events to pty process if stdin is disabled\n if (this.options.disableStdin) {\n return;\n }\n\n // Clear the selection if the selection manager is available and has an active selection\n if (this.selectionManager && this.selectionManager.hasSelection) {\n this.selectionManager.clearSelection();\n }\n\n // Input is being sent to the terminal, the terminal should focus the prompt.\n if (this.buffer.ybase !== this.buffer.ydisp) {\n this.scrollToBottom();\n }\n this._onData.fire(data);\n }\n\n /**\n * Emit the 'title' event and populate the given title.\n * @param title The title to populate in the event.\n */\n public handleTitle(title: string): void {\n this._onTitleChange.fire(title);\n }\n\n /**\n * ESC\n */\n\n /**\n * ESC D Index (IND is 0x84).\n */\n public index(): void {\n this.buffer.y++;\n if (this.buffer.y > this.buffer.scrollBottom) {\n this.buffer.y--;\n this.scroll();\n }\n // If the end of the line is hit, prevent this action from wrapping around to the next line.\n if (this.buffer.x >= this.cols) {\n this.buffer.x--;\n }\n }\n\n /**\n * ESC M Reverse Index (RI is 0x8d).\n *\n * Move the cursor up one row, inserting a new blank line if necessary.\n */\n public reverseIndex(): void {\n if (this.buffer.y === this.buffer.scrollTop) {\n // possibly move the code below to term.reverseScroll();\n // test: echo -ne '\\e[1;1H\\e[44m\\eM\\e[0m'\n // blankLine(true) is xterm/linux behavior\n const scrollRegionHeight = this.buffer.scrollBottom - this.buffer.scrollTop;\n this.buffer.lines.shiftElements(this.buffer.y + this.buffer.ybase, scrollRegionHeight, 1);\n this.buffer.lines.set(this.buffer.y + this.buffer.ybase, this.buffer.getBlankLine(this.eraseAttrData()));\n this.updateRange(this.buffer.scrollTop);\n this.updateRange(this.buffer.scrollBottom);\n } else {\n this.buffer.y--;\n }\n }\n\n /**\n * ESC c Full Reset (RIS).\n */\n public reset(): void {\n this.options.rows = this.rows;\n this.options.cols = this.cols;\n const customKeyEventHandler = this._customKeyEventHandler;\n const inputHandler = this._inputHandler;\n const cursorState = this.cursorState;\n this._setup();\n this._customKeyEventHandler = customKeyEventHandler;\n this._inputHandler = inputHandler;\n this.cursorState = cursorState;\n this.refresh(0, this.rows - 1);\n if (this.viewport) {\n this.viewport.syncScrollArea();\n }\n }\n\n\n /**\n * ESC H Tab Set (HTS is 0x88).\n */\n public tabSet(): void {\n this.buffer.tabs[this.buffer.x] = true;\n }\n\n // TODO: Remove cancel function and cancelEvents option\n public cancel(ev: Event, force?: boolean): boolean {\n if (!this.options.cancelEvents && !force) {\n return;\n }\n ev.preventDefault();\n ev.stopPropagation();\n return false;\n }\n\n private _visualBell(): boolean {\n return false;\n // return this.options.bellStyle === 'visual' ||\n // this.options.bellStyle === 'both';\n }\n\n private _soundBell(): boolean {\n return this.options.bellStyle === 'sound';\n // return this.options.bellStyle === 'sound' ||\n // this.options.bellStyle === 'both';\n }\n}\n\n/**\n * Helpers\n */\n\nfunction wasModifierKeyOnlyEvent(ev: KeyboardEvent): boolean {\n return ev.keyCode === 16 || // Shift\n ev.keyCode === 17 || // Ctrl\n ev.keyCode === 18; // Alt\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nexport let blankLine = 'Blank line';\nexport let promptLabel = 'Terminal input';\nexport let tooMuchOutput = 'Too much output to announce, navigate to rows manually to read';\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ITerminal, ISoundManager } from './Types';\n\n// Source: https://freesound.org/people/altemark/sounds/45759/\n// This sound is released under the Creative Commons Attribution 3.0 Unported\n// (CC BY 3.0) license. It was created by 'altemark'. No modifications have been\n// made, apart from the conversion to base64.\nexport const DEFAULT_BELL_SOUND = 'data:audio/wav;base64,UklGRigBAABXQVZFZm10IBAAAAABAAEARKwAAIhYAQACABAAZGF0YQQBAADpAFgCwAMlBZoG/wdmCcoKRAypDQ8PbRDBEQQTOxRtFYcWlBePGIUZXhoiG88bcBz7HHIdzh0WHlMeZx51HmkeUx4WHs8dah0AHXwc3hs9G4saxRnyGBIYGBcQFv8U4RPAEoYRQBACD70NWwwHC6gJOwjWBloF7gOBAhABkf8b/qv8R/ve+Xf4Ife79W/0JfPZ8Z/wde9N7ijtE+wU6xvqM+lb6H7nw+YX5mrlxuQz5Mzje+Ma49fioeKD4nXiYeJy4pHitOL04j/jn+MN5IPkFOWs5U3mDefM55/ogOl36m7rdOyE7abuyu8D8Unyj/Pg9D/2qfcb+Yn6/vuK/Qj/lAAlAg==';\n\nexport class SoundManager implements ISoundManager {\n private static _audioContext: AudioContext;\n\n static get audioContext(): AudioContext | null {\n if (!SoundManager._audioContext) {\n const audioContextCtor: typeof AudioContext = (<any>window).AudioContext || (<any>window).webkitAudioContext;\n if (!audioContextCtor) {\n console.warn('Web Audio API is not supported by this browser. Consider upgrading to the latest version');\n return null;\n }\n SoundManager._audioContext = new audioContextCtor();\n }\n return SoundManager._audioContext;\n }\n\n constructor(\n private _terminal: ITerminal\n ) {\n }\n\n public playBellSound(): void {\n const ctx = SoundManager.audioContext;\n if (!ctx) {\n return;\n }\n const bellAudioSource = ctx.createBufferSource();\n ctx.decodeAudioData(this._base64ToArrayBuffer(this._removeMimeType(this._terminal.options.bellSound)), (buffer) => {\n bellAudioSource.buffer = buffer;\n bellAudioSource.connect(ctx.destination);\n bellAudioSource.start(0);\n });\n }\n\n private _base64ToArrayBuffer(base64: string): ArrayBuffer {\n const binaryString = window.atob(base64);\n const len = binaryString.length;\n const bytes = new Uint8Array(len);\n\n for (let i = 0; i < len; i++) {\n bytes[i] = binaryString.charCodeAt(i);\n }\n\n return bytes.buffer;\n }\n\n private _removeMimeType(dataURI: string): string {\n // Split the input to get the mime-type and the data itself\n const splitUri = dataURI.split(',');\n\n // Return only the data\n return splitUri[1];\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ITerminal } from './Types';\n\n/**\n * Represents a selection within the buffer. This model only cares about column\n * and row coordinates, not wide characters.\n */\nexport class SelectionModel {\n /**\n * Whether select all is currently active.\n */\n public isSelectAllActive: boolean;\n\n /**\n * The [x, y] position the selection starts at.\n */\n public selectionStart: [number, number];\n\n /**\n * The minimal length of the selection from the start position. When double\n * clicking on a word, the word will be selected which makes the selection\n * start at the start of the word and makes this variable the length.\n */\n public selectionStartLength: number;\n\n /**\n * The [x, y] position the selection ends at.\n */\n public selectionEnd: [number, number];\n\n constructor(\n private _terminal: ITerminal\n ) {\n this.clearSelection();\n }\n\n /**\n * Clears the current selection.\n */\n public clearSelection(): void {\n this.selectionStart = null;\n this.selectionEnd = null;\n this.isSelectAllActive = false;\n this.selectionStartLength = 0;\n }\n\n /**\n * The final selection start, taking into consideration select all.\n */\n public get finalSelectionStart(): [number, number] {\n if (this.isSelectAllActive) {\n return [0, 0];\n }\n\n if (!this.selectionEnd || !this.selectionStart) {\n return this.selectionStart;\n }\n\n return this.areSelectionValuesReversed() ? this.selectionEnd : this.selectionStart;\n }\n\n /**\n * The final selection end, taking into consideration select all, double click\n * word selection and triple click line selection.\n */\n public get finalSelectionEnd(): [number, number] {\n if (this.isSelectAllActive) {\n return [this._terminal.cols, this._terminal.buffer.ybase + this._terminal.rows - 1];\n }\n\n if (!this.selectionStart) {\n return null;\n }\n\n // Use the selection start + length if the end doesn't exist or they're reversed\n if (!this.selectionEnd || this.areSelectionValuesReversed()) {\n const startPlusLength = this.selectionStart[0] + this.selectionStartLength;\n if (startPlusLength > this._terminal.cols) {\n return [startPlusLength % this._terminal.cols, this.selectionStart[1] + Math.floor(startPlusLength / this._terminal.cols)];\n }\n return [startPlusLength, this.selectionStart[1]];\n }\n\n // Ensure the the word/line is selected after a double/triple click\n if (this.selectionStartLength) {\n // Select the larger of the two when start and end are on the same line\n if (this.selectionEnd[1] === this.selectionStart[1]) {\n return [Math.max(this.selectionStart[0] + this.selectionStartLength, this.selectionEnd[0]), this.selectionEnd[1]];\n }\n }\n return this.selectionEnd;\n }\n\n /**\n * Returns whether the selection start and end are reversed.\n */\n public areSelectionValuesReversed(): boolean {\n const start = this.selectionStart;\n const end = this.selectionEnd;\n if (!start || !end) {\n return false;\n }\n return start[1] > end[1] || (start[1] === end[1] && start[0] > end[0]);\n }\n\n /**\n * Handle the buffer being trimmed, adjust the selection position.\n * @param amount The amount the buffer is being trimmed.\n * @return Whether a refresh is necessary.\n */\n public onTrim(amount: number): boolean {\n // Adjust the selection position based on the trimmed amount.\n if (this.selectionStart) {\n this.selectionStart[1] -= amount;\n }\n if (this.selectionEnd) {\n this.selectionEnd[1] -= amount;\n }\n\n // The selection has moved off the buffer, clear it.\n if (this.selectionEnd && this.selectionEnd[1] < 0) {\n this.clearSelection();\n return true;\n }\n\n // If the selection start is trimmed, ensure the start column is 0.\n if (this.selectionStart && this.selectionStart[1] < 0) {\n this.selectionStart[1] = 0;\n }\n return false;\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ITerminal, ISelectionManager, IBuffer, IBufferLine, ISelectionRedrawRequestEvent } from './Types';\nimport { MouseHelper } from './MouseHelper';\nimport * as Browser from './common/Platform';\nimport { CharMeasure } from './CharMeasure';\nimport { SelectionModel } from './SelectionModel';\nimport { AltClickHandler } from './handlers/AltClickHandler';\nimport { CellData } from './BufferLine';\nimport { IDisposable } from 'xterm';\nimport { EventEmitter2, IEvent } from './common/EventEmitter2';\n\n/**\n * The number of pixels the mouse needs to be above or below the viewport in\n * order to scroll at the maximum speed.\n */\nconst DRAG_SCROLL_MAX_THRESHOLD = 50;\n\n/**\n * The maximum scrolling speed\n */\nconst DRAG_SCROLL_MAX_SPEED = 15;\n\n/**\n * The number of milliseconds between drag scroll updates.\n */\nconst DRAG_SCROLL_INTERVAL = 50;\n\n/**\n * The maximum amount of time that can have elapsed for an alt click to move the\n * cursor.\n */\nconst ALT_CLICK_MOVE_CURSOR_TIME = 500;\n\n/**\n * A string containing all characters that are considered word separated by the\n * double click to select work logic.\n */\nconst WORD_SEPARATORS = ' ()[]{}\\'\"';\n\nconst NON_BREAKING_SPACE_CHAR = String.fromCharCode(160);\nconst ALL_NON_BREAKING_SPACE_REGEX = new RegExp(NON_BREAKING_SPACE_CHAR, 'g');\n\n/**\n * Represents a position of a word on a line.\n */\ninterface IWordPosition {\n start: number;\n length: number;\n}\n\n/**\n * A selection mode, this drives how the selection behaves on mouse move.\n */\nexport const enum SelectionMode {\n NORMAL,\n WORD,\n LINE,\n COLUMN\n}\n\n/**\n * A class that manages the selection of the terminal. With help from\n * SelectionModel, SelectionManager handles with all logic associated with\n * dealing with the selection, including handling mouse interaction, wide\n * characters and fetching the actual text within the selection. Rendering is\n * not handled by the SelectionManager but the onRedrawRequest event is fired\n * when the selection is ready to be redrawn (on an animation frame).\n */\nexport class SelectionManager implements ISelectionManager {\n protected _model: SelectionModel;\n\n /**\n * The amount to scroll every drag scroll update (depends on how far the mouse\n * drag is above or below the terminal).\n */\n private _dragScrollAmount: number;\n\n /**\n * The current selection mode.\n */\n protected _activeSelectionMode: SelectionMode;\n\n /**\n * A setInterval timer that is active while the mouse is down whose callback\n * scrolls the viewport when necessary.\n */\n private _dragScrollIntervalTimer: NodeJS.Timer;\n\n /**\n * The animation frame ID used for refreshing the selection.\n */\n private _refreshAnimationFrame: number;\n\n /**\n * Whether selection is enabled.\n */\n private _enabled = true;\n\n private _mouseMoveListener: EventListener;\n private _mouseUpListener: EventListener;\n private _trimListener: IDisposable;\n private _workCell: CellData = new CellData();\n\n private _mouseDownTimeStamp: number;\n\n private _onLinuxMouseSelection = new EventEmitter2<string>();\n public get onLinuxMouseSelection(): IEvent<string> { return this._onLinuxMouseSelection.event; }\n private _onRedrawRequest = new EventEmitter2<ISelectionRedrawRequestEvent>();\n public get onRedrawRequest(): IEvent<ISelectionRedrawRequestEvent> { return this._onRedrawRequest.event; }\n private _onSelectionChange = new EventEmitter2<void>();\n public get onSelectionChange(): IEvent<void> { return this._onSelectionChange.event; }\n\n constructor(\n private _terminal: ITerminal,\n private _charMeasure: CharMeasure\n ) {\n this._initListeners();\n this.enable();\n\n this._model = new SelectionModel(_terminal);\n this._activeSelectionMode = SelectionMode.NORMAL;\n }\n\n public dispose(): void {\n this._removeMouseDownListeners();\n }\n\n private get _buffer(): IBuffer {\n return this._terminal.buffers.active;\n }\n\n /**\n * Initializes listener variables.\n */\n private _initListeners(): void {\n this._mouseMoveListener = event => this._onMouseMove(<MouseEvent>event);\n this._mouseUpListener = event => this._onMouseUp(<MouseEvent>event);\n\n this.initBuffersListeners();\n }\n\n public initBuffersListeners(): void {\n this._trimListener = this._terminal.buffer.lines.onTrim(amount => this._onTrim(amount));\n this._terminal.buffers.onBufferActivate(e => this._onBufferActivate(e));\n }\n\n /**\n * Disables the selection manager. This is useful for when terminal mouse\n * are enabled.\n */\n public disable(): void {\n this.clearSelection();\n this._enabled = false;\n }\n\n /**\n * Enable the selection manager.\n */\n public enable(): void {\n this._enabled = true;\n }\n\n public get selectionStart(): [number, number] { return this._model.finalSelectionStart; }\n public get selectionEnd(): [number, number] { return this._model.finalSelectionEnd; }\n\n /**\n * Gets whether there is an active text selection.\n */\n public get hasSelection(): boolean {\n const start = this._model.finalSelectionStart;\n const end = this._model.finalSelectionEnd;\n if (!start || !end) {\n return false;\n }\n return start[0] !== end[0] || start[1] !== end[1];\n }\n\n /**\n * Gets the text currently selected.\n */\n public get selectionText(): string {\n const start = this._model.finalSelectionStart;\n const end = this._model.finalSelectionEnd;\n if (!start || !end) {\n return '';\n }\n\n const result: string[] = [];\n\n if (this._activeSelectionMode === SelectionMode.COLUMN) {\n // Ignore zero width selections\n if (start[0] === end[0]) {\n return '';\n }\n\n for (let i = start[1]; i <= end[1]; i++) {\n const lineText = this._buffer.translateBufferLineToString(i, true, start[0], end[0]);\n result.push(lineText);\n }\n } else {\n // Get first row\n const startRowEndCol = start[1] === end[1] ? end[0] : undefined;\n result.push(this._buffer.translateBufferLineToString(start[1], true, start[0], startRowEndCol));\n\n // Get middle rows\n for (let i = start[1] + 1; i <= end[1] - 1; i++) {\n const bufferLine = this._buffer.lines.get(i);\n const lineText = this._buffer.translateBufferLineToString(i, true);\n if (bufferLine.isWrapped) {\n result[result.length - 1] += lineText;\n } else {\n result.push(lineText);\n }\n }\n\n // Get final row\n if (start[1] !== end[1]) {\n const bufferLine = this._buffer.lines.get(end[1]);\n const lineText = this._buffer.translateBufferLineToString(end[1], true, 0, end[0]);\n if (bufferLine.isWrapped) {\n result[result.length - 1] += lineText;\n } else {\n result.push(lineText);\n }\n }\n }\n\n // Format string by replacing non-breaking space chars with regular spaces\n // and joining the array into a multi-line string.\n const formattedResult = result.map(line => {\n return line.replace(ALL_NON_BREAKING_SPACE_REGEX, ' ');\n }).join(Browser.isMSWindows ? '\\r\\n' : '\\n');\n\n return formattedResult;\n }\n\n /**\n * Clears the current terminal selection.\n */\n public clearSelection(): void {\n this._model.clearSelection();\n this._removeMouseDownListeners();\n this.refresh();\n }\n\n /**\n * Queues a refresh, redrawing the selection on the next opportunity.\n * @param isLinuxMouseSelection Whether the selection should be registered as a new\n * selection on Linux.\n */\n public refresh(isLinuxMouseSelection?: boolean): void {\n // Queue the refresh for the renderer\n if (!this._refreshAnimationFrame) {\n this._refreshAnimationFrame = window.requestAnimationFrame(() => this._refresh());\n }\n\n // If the platform is Linux and the refresh call comes from a mouse event,\n // we need to update the selection for middle click to paste selection.\n if (Browser.isLinux && isLinuxMouseSelection) {\n const selectionText = this.selectionText;\n if (selectionText.length) {\n this._onLinuxMouseSelection.fire(this.selectionText);\n }\n }\n }\n\n /**\n * Fires the refresh event, causing consumers to pick it up and redraw the\n * selection state.\n */\n private _refresh(): void {\n this._refreshAnimationFrame = null;\n this._onRedrawRequest.fire({\n start: this._model.finalSelectionStart,\n end: this._model.finalSelectionEnd,\n columnSelectMode: this._activeSelectionMode === SelectionMode.COLUMN\n });\n }\n\n /**\n * Checks if the current click was inside the current selection\n * @param event The mouse event\n */\n public isClickInSelection(event: MouseEvent): boolean {\n const coords = this._getMouseBufferCoords(event);\n const start = this._model.finalSelectionStart;\n const end = this._model.finalSelectionEnd;\n\n if (!start || !end) {\n return false;\n }\n\n return this._areCoordsInSelection(coords, start, end);\n }\n\n protected _areCoordsInSelection(coords: [number, number], start: [number, number], end: [number, number]): boolean {\n return (coords[1] > start[1] && coords[1] < end[1]) ||\n (start[1] === end[1] && coords[1] === start[1] && coords[0] >= start[0] && coords[0] < end[0]) ||\n (start[1] < end[1] && coords[1] === end[1] && coords[0] < end[0]) ||\n (start[1] < end[1] && coords[1] === start[1] && coords[0] >= start[0]);\n }\n\n /**\n * Selects word at the current mouse event coordinates.\n * @param event The mouse event.\n */\n public selectWordAtCursor(event: MouseEvent): void {\n const coords = this._getMouseBufferCoords(event);\n if (coords) {\n this._selectWordAt(coords, false);\n this._model.selectionEnd = null;\n this.refresh(true);\n }\n }\n\n /**\n * Selects all text within the terminal.\n */\n public selectAll(): void {\n this._model.isSelectAllActive = true;\n this.refresh();\n this._onSelectionChange.fire();\n }\n\n public selectLines(start: number, end: number): void {\n this._model.clearSelection();\n start = Math.max(start, 0);\n end = Math.min(end, this._terminal.buffer.lines.length - 1);\n this._model.selectionStart = [0, start];\n this._model.selectionEnd = [this._terminal.cols, end];\n this.refresh();\n this._onSelectionChange.fire();\n }\n\n /**\n * Handle the buffer being trimmed, adjust the selection position.\n * @param amount The amount the buffer is being trimmed.\n */\n private _onTrim(amount: number): void {\n const needsRefresh = this._model.onTrim(amount);\n if (needsRefresh) {\n this.refresh();\n }\n }\n\n /**\n * Gets the 0-based [x, y] buffer coordinates of the current mouse event.\n * @param event The mouse event.\n */\n private _getMouseBufferCoords(event: MouseEvent): [number, number] {\n const coords = this._terminal.mouseHelper.getCoords(event, this._terminal.screenElement, this._charMeasure, this._terminal.cols, this._terminal.rows, true);\n if (!coords) {\n return null;\n }\n\n // Convert to 0-based\n coords[0]--;\n coords[1]--;\n\n // Convert viewport coords to buffer coords\n coords[1] += this._terminal.buffer.ydisp;\n return coords;\n }\n\n /**\n * Gets the amount the viewport should be scrolled based on how far out of the\n * terminal the mouse is.\n * @param event The mouse event.\n */\n private _getMouseEventScrollAmount(event: MouseEvent): number {\n let offset = MouseHelper.getCoordsRelativeToElement(event, this._terminal.screenElement)[1];\n const terminalHeight = this._terminal.rows * Math.ceil(this._charMeasure.height * this._terminal.options.lineHeight);\n if (offset >= 0 && offset <= terminalHeight) {\n return 0;\n }\n if (offset > terminalHeight) {\n offset -= terminalHeight;\n }\n\n offset = Math.min(Math.max(offset, -DRAG_SCROLL_MAX_THRESHOLD), DRAG_SCROLL_MAX_THRESHOLD);\n offset /= DRAG_SCROLL_MAX_THRESHOLD;\n return (offset / Math.abs(offset)) + Math.round(offset * (DRAG_SCROLL_MAX_SPEED - 1));\n }\n\n /**\n * Returns whether the selection manager should force selection, regardless of\n * whether the terminal is in mouse events mode.\n * @param event The mouse event.\n */\n public shouldForceSelection(event: MouseEvent): boolean {\n if (Browser.isMac) {\n return event.altKey && this._terminal.options.macOptionClickForcesSelection;\n }\n\n return event.shiftKey;\n }\n\n /**\n * Handles te mousedown event, setting up for a new selection.\n * @param event The mousedown event.\n */\n public onMouseDown(event: MouseEvent): void {\n this._mouseDownTimeStamp = event.timeStamp;\n // If we have selection, we want the context menu on right click even if the\n // terminal is in mouse mode.\n if (event.button === 2 && this.hasSelection) {\n return;\n }\n\n // Only action the primary button\n if (event.button !== 0) {\n return;\n }\n\n // Allow selection when using a specific modifier key, even when disabled\n if (!this._enabled) {\n if (!this.shouldForceSelection(event)) {\n return;\n }\n\n // Don't send the mouse down event to the current process, we want to select\n event.stopPropagation();\n }\n\n // Tell the browser not to start a regular selection\n event.preventDefault();\n\n // Reset drag scroll state\n this._dragScrollAmount = 0;\n\n if (this._enabled && event.shiftKey) {\n this._onIncrementalClick(event);\n } else {\n if (event.detail === 1) {\n this._onSingleClick(event);\n } else if (event.detail === 2) {\n this._onDoubleClick(event);\n } else if (event.detail === 3) {\n this._onTripleClick(event);\n }\n }\n\n this._addMouseDownListeners();\n this.refresh(true);\n }\n\n /**\n * Adds listeners when mousedown is triggered.\n */\n private _addMouseDownListeners(): void {\n // Listen on the document so that dragging outside of viewport works\n this._terminal.element.ownerDocument.addEventListener('mousemove', this._mouseMoveListener);\n this._terminal.element.ownerDocument.addEventListener('mouseup', this._mouseUpListener);\n this._dragScrollIntervalTimer = setInterval(() => this._dragScroll(), DRAG_SCROLL_INTERVAL);\n }\n\n /**\n * Removes the listeners that are registered when mousedown is triggered.\n */\n private _removeMouseDownListeners(): void {\n if (this._terminal.element.ownerDocument) {\n this._terminal.element.ownerDocument.removeEventListener('mousemove', this._mouseMoveListener);\n this._terminal.element.ownerDocument.removeEventListener('mouseup', this._mouseUpListener);\n }\n clearInterval(this._dragScrollIntervalTimer);\n this._dragScrollIntervalTimer = null;\n }\n\n /**\n * Performs an incremental click, setting the selection end position to the mouse\n * position.\n * @param event The mouse event.\n */\n private _onIncrementalClick(event: MouseEvent): void {\n if (this._model.selectionStart) {\n this._model.selectionEnd = this._getMouseBufferCoords(event);\n }\n }\n\n /**\n * Performs a single click, resetting relevant state and setting the selection\n * start position.\n * @param event The mouse event.\n */\n private _onSingleClick(event: MouseEvent): void {\n this._model.selectionStartLength = 0;\n this._model.isSelectAllActive = false;\n this._activeSelectionMode = this.shouldColumnSelect(event) ? SelectionMode.COLUMN : SelectionMode.NORMAL;\n\n // Initialize the new selection\n this._model.selectionStart = this._getMouseBufferCoords(event);\n if (!this._model.selectionStart) {\n return;\n }\n this._model.selectionEnd = null;\n\n // Ensure the line exists\n const line = this._buffer.lines.get(this._model.selectionStart[1]);\n if (!line) {\n return;\n }\n\n // Return early if the click event is not in the buffer (eg. in scroll bar)\n if (line.length >= this._model.selectionStart[0]) {\n return;\n }\n\n // If the mouse is over the second half of a wide character, adjust the\n // selection to cover the whole character\n if (line.hasWidth(this._model.selectionStart[0]) === 0) {\n this._model.selectionStart[0]++;\n }\n }\n\n /**\n * Performs a double click, selecting the current work.\n * @param event The mouse event.\n */\n private _onDoubleClick(event: MouseEvent): void {\n const coords = this._getMouseBufferCoords(event);\n if (coords) {\n this._activeSelectionMode = SelectionMode.WORD;\n this._selectWordAt(coords, true);\n }\n }\n\n /**\n * Performs a triple click, selecting the current line and activating line\n * select mode.\n * @param event The mouse event.\n */\n private _onTripleClick(event: MouseEvent): void {\n const coords = this._getMouseBufferCoords(event);\n if (coords) {\n this._activeSelectionMode = SelectionMode.LINE;\n this._selectLineAt(coords[1]);\n }\n }\n\n /**\n * Returns whether the selection manager should operate in column select mode\n * @param event the mouse or keyboard event\n */\n public shouldColumnSelect(event: KeyboardEvent | MouseEvent): boolean {\n return event.altKey && !(Browser.isMac && this._terminal.options.macOptionClickForcesSelection);\n }\n\n /**\n * Handles the mousemove event when the mouse button is down, recording the\n * end of the selection and refreshing the selection.\n * @param event The mousemove event.\n */\n private _onMouseMove(event: MouseEvent): void {\n // If the mousemove listener is active it means that a selection is\n // currently being made, we should stop propagation to prevent mouse events\n // to be sent to the pty.\n event.stopImmediatePropagation();\n\n // Record the previous position so we know whether to redraw the selection\n // at the end.\n const previousSelectionEnd = this._model.selectionEnd ? [this._model.selectionEnd[0], this._model.selectionEnd[1]] : null;\n\n // Set the initial selection end based on the mouse coordinates\n this._model.selectionEnd = this._getMouseBufferCoords(event);\n if (!this._model.selectionEnd) {\n this.refresh(true);\n return;\n }\n\n // Select the entire line if line select mode is active.\n if (this._activeSelectionMode === SelectionMode.LINE) {\n if (this._model.selectionEnd[1] < this._model.selectionStart[1]) {\n this._model.selectionEnd[0] = 0;\n } else {\n this._model.selectionEnd[0] = this._terminal.cols;\n }\n } else if (this._activeSelectionMode === SelectionMode.WORD) {\n this._selectToWordAt(this._model.selectionEnd);\n }\n\n // Determine the amount of scrolling that will happen.\n this._dragScrollAmount = this._getMouseEventScrollAmount(event);\n\n // If the cursor was above or below the viewport, make sure it's at the\n // start or end of the viewport respectively. This should only happen when\n // NOT in column select mode.\n if (this._activeSelectionMode !== SelectionMode.COLUMN) {\n if (this._dragScrollAmount > 0) {\n this._model.selectionEnd[0] = this._terminal.cols;\n } else if (this._dragScrollAmount < 0) {\n this._model.selectionEnd[0] = 0;\n }\n }\n\n // If the character is a wide character include the cell to the right in the\n // selection. Note that selections at the very end of the line will never\n // have a character.\n if (this._model.selectionEnd[1] < this._buffer.lines.length) {\n if (this._buffer.lines.get(this._model.selectionEnd[1]).hasWidth(this._model.selectionEnd[0]) === 0) {\n this._model.selectionEnd[0]++;\n }\n }\n\n // Only draw here if the selection changes.\n if (!previousSelectionEnd ||\n previousSelectionEnd[0] !== this._model.selectionEnd[0] ||\n previousSelectionEnd[1] !== this._model.selectionEnd[1]) {\n this.refresh(true);\n }\n }\n\n /**\n * The callback that occurs every DRAG_SCROLL_INTERVAL ms that does the\n * scrolling of the viewport.\n */\n private _dragScroll(): void {\n if (this._dragScrollAmount) {\n this._terminal.scrollLines(this._dragScrollAmount, false);\n // Re-evaluate selection\n // If the cursor was above or below the viewport, make sure it's at the\n // start or end of the viewport respectively. This should only happen when\n // NOT in column select mode.\n if (this._dragScrollAmount > 0) {\n if (this._activeSelectionMode !== SelectionMode.COLUMN) {\n this._model.selectionEnd[0] = this._terminal.cols;\n }\n this._model.selectionEnd[1] = Math.min(this._terminal.buffer.ydisp + this._terminal.rows, this._terminal.buffer.lines.length - 1);\n } else {\n if (this._activeSelectionMode !== SelectionMode.COLUMN) {\n this._model.selectionEnd[0] = 0;\n }\n this._model.selectionEnd[1] = this._terminal.buffer.ydisp;\n }\n this.refresh();\n }\n }\n\n /**\n * Handles the mouseup event, removing the mousedown listeners.\n * @param event The mouseup event.\n */\n private _onMouseUp(event: MouseEvent): void {\n const timeElapsed = event.timeStamp - this._mouseDownTimeStamp;\n\n this._removeMouseDownListeners();\n\n if (this.selectionText.length <= 1 && timeElapsed < ALT_CLICK_MOVE_CURSOR_TIME) {\n (new AltClickHandler(event, this._terminal)).move();\n } else if (this.hasSelection) {\n this._onSelectionChange.fire();\n }\n }\n\n private _onBufferActivate(e: {activeBuffer: IBuffer, inactiveBuffer: IBuffer}): void {\n this.clearSelection();\n // Only adjust the selection on trim, shiftElements is rarely used (only in\n // reverseIndex) and delete in a splice is only ever used when the same\n // number of elements was just added. Given this is could actually be\n // beneficial to leave the selection as is for these cases.\n if (this._trimListener) {\n this._trimListener.dispose();\n }\n this._trimListener = e.activeBuffer.lines.onTrim(amount => this._onTrim(amount));\n }\n\n /**\n * Converts a viewport column to the character index on the buffer line, the\n * latter takes into account wide characters.\n * @param coords The coordinates to find the 2 index for.\n */\n private _convertViewportColToCharacterIndex(bufferLine: IBufferLine, coords: [number, number]): number {\n let charIndex = coords[0];\n for (let i = 0; coords[0] >= i; i++) {\n const length = bufferLine.loadCell(i, this._workCell).getChars().length;\n if (this._workCell.getWidth() === 0) {\n // Wide characters aren't included in the line string so decrement the\n // index so the index is back on the wide character.\n charIndex--;\n } else if (length > 1 && coords[0] !== i) {\n // Emojis take up multiple characters, so adjust accordingly. For these\n // we don't want ot include the character at the column as we're\n // returning the start index in the string, not the end index.\n charIndex += length - 1;\n }\n }\n return charIndex;\n }\n\n public setSelection(col: number, row: number, length: number): void {\n this._model.clearSelection();\n this._removeMouseDownListeners();\n this._model.selectionStart = [col, row];\n this._model.selectionStartLength = length;\n this.refresh();\n }\n\n /**\n * Gets positional information for the word at the coordinated specified.\n * @param coords The coordinates to get the word at.\n */\n private _getWordAt(coords: [number, number], allowWhitespaceOnlySelection: boolean, followWrappedLinesAbove: boolean = true, followWrappedLinesBelow: boolean = true): IWordPosition {\n // Ensure coords are within viewport (eg. not within scroll bar)\n if (coords[0] >= this._terminal.cols) {\n return null;\n }\n\n const bufferLine = this._buffer.lines.get(coords[1]);\n if (!bufferLine) {\n return null;\n }\n\n const line = this._buffer.translateBufferLineToString(coords[1], false);\n\n // Get actual index, taking into consideration wide characters\n let startIndex = this._convertViewportColToCharacterIndex(bufferLine, coords);\n let endIndex = startIndex;\n\n // Record offset to be used later\n const charOffset = coords[0] - startIndex;\n let leftWideCharCount = 0;\n let rightWideCharCount = 0;\n let leftLongCharOffset = 0;\n let rightLongCharOffset = 0;\n\n if (line.charAt(startIndex) === ' ') {\n // Expand until non-whitespace is hit\n while (startIndex > 0 && line.charAt(startIndex - 1) === ' ') {\n startIndex--;\n }\n while (endIndex < line.length && line.charAt(endIndex + 1) === ' ') {\n endIndex++;\n }\n } else {\n // Expand until whitespace is hit. This algorithm works by scanning left\n // and right from the starting position, keeping both the index format\n // (line) and the column format (bufferLine) in sync. When a wide\n // character is hit, it is recorded and the column index is adjusted.\n let startCol = coords[0];\n let endCol = coords[0];\n\n // Consider the initial position, skip it and increment the wide char\n // variable\n if (bufferLine.getWidth(startCol) === 0) {\n leftWideCharCount++;\n startCol--;\n }\n if (bufferLine.getWidth(endCol) === 2) {\n rightWideCharCount++;\n endCol++;\n }\n\n // Adjust the end index for characters whose length are > 1 (emojis)\n const length = bufferLine.getString(endCol).length;\n if (length > 1) {\n rightLongCharOffset += length - 1;\n endIndex += length - 1;\n }\n\n // Expand the string in both directions until a space is hit\n while (startCol > 0 && startIndex > 0 && !this._isCharWordSeparator(bufferLine.loadCell(startCol - 1, this._workCell))) {\n bufferLine.loadCell(startCol - 1, this._workCell);\n const length = this._workCell.getChars().length;\n if (this._workCell.getWidth() === 0) {\n // If the next character is a wide char, record it and skip the column\n leftWideCharCount++;\n startCol--;\n } else if (length > 1) {\n // If the next character's string is longer than 1 char (eg. emoji),\n // adjust the index\n leftLongCharOffset += length - 1;\n startIndex -= length - 1;\n }\n startIndex--;\n startCol--;\n }\n while (endCol < bufferLine.length && endIndex + 1 < line.length && !this._isCharWordSeparator(bufferLine.loadCell(endCol + 1, this._workCell))) {\n bufferLine.loadCell(endCol + 1, this._workCell);\n const length = this._workCell.getChars().length;\n if (this._workCell.getWidth() === 2) {\n // If the next character is a wide char, record it and skip the column\n rightWideCharCount++;\n endCol++;\n } else if (length > 1) {\n // If the next character's string is longer than 1 char (eg. emoji),\n // adjust the index\n rightLongCharOffset += length - 1;\n endIndex += length - 1;\n }\n endIndex++;\n endCol++;\n }\n }\n\n // Incremenet the end index so it is at the start of the next character\n endIndex++;\n\n // Calculate the start _column_, converting the the string indexes back to\n // column coordinates.\n let start =\n startIndex // The index of the selection's start char in the line string\n + charOffset // The difference between the initial char's column and index\n - leftWideCharCount // The number of wide chars left of the initial char\n + leftLongCharOffset; // The number of additional chars left of the initial char added by columns with strings longer than 1 (emojis)\n\n // Calculate the length in _columns_, converting the the string indexes back\n // to column coordinates.\n let length = Math.min(this._terminal.cols, // Disallow lengths larger than the terminal cols\n endIndex // The index of the selection's end char in the line string\n - startIndex // The index of the selection's start char in the line string\n + leftWideCharCount // The number of wide chars left of the initial char\n + rightWideCharCount // The number of wide chars right of the initial char (inclusive)\n - leftLongCharOffset // The number of additional chars left of the initial char added by columns with strings longer than 1 (emojis)\n - rightLongCharOffset); // The number of additional chars right of the initial char (inclusive) added by columns with strings longer than 1 (emojis)\n\n if (!allowWhitespaceOnlySelection && line.slice(startIndex, endIndex).trim() === '') {\n return null;\n }\n\n // Recurse upwards if the line is wrapped and the word wraps to the above line\n if (followWrappedLinesAbove) {\n if (start === 0 && bufferLine.getCodePoint(0) !== 32 /*' '*/) {\n const previousBufferLine = this._buffer.lines.get(coords[1] - 1);\n if (previousBufferLine && bufferLine.isWrapped && previousBufferLine.getCodePoint(this._terminal.cols - 1) !== 32 /*' '*/) {\n const previousLineWordPosition = this._getWordAt([this._terminal.cols - 1, coords[1] - 1], false, true, false);\n if (previousLineWordPosition) {\n const offset = this._terminal.cols - previousLineWordPosition.start;\n start -= offset;\n length += offset;\n }\n }\n }\n }\n\n // Recurse downwards if the line is wrapped and the word wraps to the next line\n if (followWrappedLinesBelow) {\n if (start + length === this._terminal.cols && bufferLine.getCodePoint(this._terminal.cols - 1) !== 32 /*' '*/) {\n const nextBufferLine = this._buffer.lines.get(coords[1] + 1);\n if (nextBufferLine && nextBufferLine.isWrapped && nextBufferLine.getCodePoint(0) !== 32 /*' '*/) {\n const nextLineWordPosition = this._getWordAt([0, coords[1] + 1], false, false, true);\n if (nextLineWordPosition) {\n length += nextLineWordPosition.length;\n }\n }\n }\n }\n\n return { start, length };\n }\n\n /**\n * Selects the word at the coordinates specified.\n * @param coords The coordinates to get the word at.\n * @param allowWhitespaceOnlySelection If whitespace should be selected\n */\n protected _selectWordAt(coords: [number, number], allowWhitespaceOnlySelection: boolean): void {\n const wordPosition = this._getWordAt(coords, allowWhitespaceOnlySelection);\n if (wordPosition) {\n // Adjust negative start value\n while (wordPosition.start < 0) {\n wordPosition.start += this._terminal.cols;\n coords[1]--;\n }\n this._model.selectionStart = [wordPosition.start, coords[1]];\n this._model.selectionStartLength = wordPosition.length;\n }\n }\n\n /**\n * Sets the selection end to the word at the coordinated specified.\n * @param coords The coordinates to get the word at.\n */\n private _selectToWordAt(coords: [number, number]): void {\n const wordPosition = this._getWordAt(coords, true);\n if (wordPosition) {\n let endRow = coords[1];\n\n // Adjust negative start value\n while (wordPosition.start < 0) {\n wordPosition.start += this._terminal.cols;\n endRow--;\n }\n\n // Adjust wrapped length value, this only needs to happen when values are reversed as in that\n // case we're interested in the start of the word, not the end\n if (!this._model.areSelectionValuesReversed()) {\n while (wordPosition.start + wordPosition.length > this._terminal.cols) {\n wordPosition.length -= this._terminal.cols;\n endRow++;\n }\n }\n\n this._model.selectionEnd = [this._model.areSelectionValuesReversed() ? wordPosition.start : wordPosition.start + wordPosition.length, endRow];\n }\n }\n\n /**\n * Gets whether the character is considered a word separator by the select\n * word logic.\n * @param char The character to check.\n */\n private _isCharWordSeparator(cell: CellData): boolean {\n // Zero width characters are never separators as they are always to the\n // right of wide characters\n if (cell.getWidth() === 0) {\n return false;\n }\n return WORD_SEPARATORS.indexOf(cell.getChars()) >= 0;\n }\n\n /**\n * Selects the line specified.\n * @param line The line index.\n */\n protected _selectLineAt(line: number): void {\n const wrappedRange = this._buffer.getWrappedRangeForLine(line);\n this._model.selectionStart = [0, wrappedRange.first];\n this._model.selectionEnd = [this._terminal.cols, wrappedRange.last];\n this._model.selectionStartLength = 0;\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ITerminal, IMouseZoneManager, IMouseZone } from './Types';\nimport { Disposable } from './common/Lifecycle';\nimport { addDisposableDomListener } from './ui/Lifecycle';\n\nconst HOVER_DURATION = 500;\n\n/**\n * The MouseZoneManager allows components to register zones within the terminal\n * that trigger hover and click callbacks.\n *\n * This class was intentionally made not so robust initially as the only case it\n * needed to support was single-line links which never overlap. Improvements can\n * be made in the future.\n */\nexport class MouseZoneManager extends Disposable implements IMouseZoneManager {\n private _zones: IMouseZone[] = [];\n\n private _areZonesActive: boolean = false;\n private _mouseMoveListener: (e: MouseEvent) => any;\n private _mouseLeaveListener: (e: MouseEvent) => any;\n private _clickListener: (e: MouseEvent) => any;\n\n private _tooltipTimeout: number = null;\n private _currentZone: IMouseZone = null;\n private _lastHoverCoords: [number, number] = [null, null];\n private _initialSelectionLength: number;\n\n constructor(\n private _terminal: ITerminal\n ) {\n super();\n\n this.register(addDisposableDomListener(this._terminal.element, 'mousedown', e => this._onMouseDown(e)));\n\n // These events are expensive, only listen to it when mouse zones are active\n this._mouseMoveListener = e => this._onMouseMove(e);\n this._mouseLeaveListener = e => this._onMouseLeave(e);\n this._clickListener = e => this._onClick(e);\n }\n\n public dispose(): void {\n super.dispose();\n this._deactivate();\n }\n\n public add(zone: IMouseZone): void {\n this._zones.push(zone);\n if (this._zones.length === 1) {\n this._activate();\n }\n }\n\n public clearAll(start?: number, end?: number): void {\n // Exit if there's nothing to clear\n if (this._zones.length === 0) {\n return;\n }\n\n // Clear all if start/end weren't set\n if (!end) {\n start = 0;\n end = this._terminal.rows - 1;\n }\n\n // Iterate through zones and clear them out if they're within the range\n for (let i = 0; i < this._zones.length; i++) {\n const zone = this._zones[i];\n if ((zone.y1 > start && zone.y1 <= end + 1) ||\n (zone.y2 > start && zone.y2 <= end + 1) ||\n (zone.y1 < start && zone.y2 > end + 1)) {\n if (this._currentZone && this._currentZone === zone) {\n this._currentZone.leaveCallback();\n this._currentZone = null;\n }\n this._zones.splice(i--, 1);\n }\n }\n\n // Deactivate the mouse zone manager if all the zones have been removed\n if (this._zones.length === 0) {\n this._deactivate();\n }\n }\n\n private _activate(): void {\n if (!this._areZonesActive) {\n this._areZonesActive = true;\n this._terminal.element.addEventListener('mousemove', this._mouseMoveListener);\n this._terminal.element.addEventListener('mouseleave', this._mouseLeaveListener);\n this._terminal.element.addEventListener('click', this._clickListener);\n }\n }\n\n private _deactivate(): void {\n if (this._areZonesActive) {\n this._areZonesActive = false;\n this._terminal.element.removeEventListener('mousemove', this._mouseMoveListener);\n this._terminal.element.removeEventListener('mouseleave', this._mouseLeaveListener);\n this._terminal.element.removeEventListener('click', this._clickListener);\n }\n }\n\n private _onMouseMove(e: MouseEvent): void {\n // TODO: Ideally this would only clear the hover state when the mouse moves\n // outside of the mouse zone\n if (this._lastHoverCoords[0] !== e.pageX || this._lastHoverCoords[1] !== e.pageY) {\n this._onHover(e);\n // Record the current coordinates\n this._lastHoverCoords = [e.pageX, e.pageY];\n }\n }\n\n private _onHover(e: MouseEvent): void {\n const zone = this._findZoneEventAt(e);\n\n // Do nothing if the zone is the same\n if (zone === this._currentZone) {\n return;\n }\n\n // Fire the hover end callback and cancel any existing timer if a new zone\n // is being hovered\n if (this._currentZone) {\n this._currentZone.leaveCallback();\n this._currentZone = null;\n if (this._tooltipTimeout) {\n clearTimeout(this._tooltipTimeout);\n }\n }\n\n // Exit if there is not zone\n if (!zone) {\n return;\n }\n this._currentZone = zone;\n\n // Trigger the hover callback\n if (zone.hoverCallback) {\n zone.hoverCallback(e);\n }\n\n // Restart the tooltip timeout\n this._tooltipTimeout = <number><any>setTimeout(() => this._onTooltip(e), HOVER_DURATION);\n }\n\n private _onTooltip(e: MouseEvent): void {\n this._tooltipTimeout = null;\n const zone = this._findZoneEventAt(e);\n if (zone && zone.tooltipCallback) {\n zone.tooltipCallback(e);\n }\n }\n\n private _onMouseDown(e: MouseEvent): void {\n // Store current terminal selection length, to check if we're performing\n // a selection operation\n this._initialSelectionLength = this._terminal.getSelection().length;\n\n // Ignore the event if there are no zones active\n if (!this._areZonesActive) {\n return;\n }\n\n // Find the active zone, prevent event propagation if found to prevent other\n // components from handling the mouse event.\n const zone = this._findZoneEventAt(e);\n if (zone) {\n if (zone.willLinkActivate(e)) {\n e.preventDefault();\n e.stopImmediatePropagation();\n }\n }\n }\n\n private _onMouseLeave(e: MouseEvent): void {\n // Fire the hover end callback and cancel any existing timer if the mouse\n // leaves the terminal element\n if (this._currentZone) {\n this._currentZone.leaveCallback();\n this._currentZone = null;\n if (this._tooltipTimeout) {\n clearTimeout(this._tooltipTimeout);\n }\n }\n }\n\n private _onClick(e: MouseEvent): void {\n // Find the active zone and click it if found and no selection was\n // being performed\n const zone = this._findZoneEventAt(e);\n const currentSelectionLength = this._terminal.getSelection().length;\n\n if (zone && currentSelectionLength === this._initialSelectionLength) {\n zone.clickCallback(e);\n e.preventDefault();\n e.stopImmediatePropagation();\n }\n }\n\n private _findZoneEventAt(e: MouseEvent): IMouseZone {\n const coords = this._terminal.mouseHelper.getCoords(e, this._terminal.screenElement, this._terminal.charMeasure, this._terminal.cols, this._terminal.rows);\n if (!coords) {\n return null;\n }\n const x = coords[0];\n const y = coords[1];\n for (let i = 0; i < this._zones.length; i++) {\n const zone = this._zones[i];\n if (zone.y1 === zone.y2) {\n // Single line link\n if (y === zone.y1 && x >= zone.x1 && x < zone.x2) {\n return zone;\n }\n } else {\n // Multi-line link\n if ((y === zone.y1 && x >= zone.x1) ||\n (y === zone.y2 && x < zone.x2) ||\n (y > zone.y1 && y < zone.y2)) {\n return zone;\n }\n }\n }\n return null;\n }\n}\n\nexport class MouseZone implements IMouseZone {\n constructor(\n public x1: number,\n public y1: number,\n public x2: number,\n public y2: number,\n public clickCallback: (e: MouseEvent) => any,\n public hoverCallback: (e: MouseEvent) => any,\n public tooltipCallback: (e: MouseEvent) => any,\n public leaveCallback: () => void,\n public willLinkActivate: (e: MouseEvent) => boolean\n ) {\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ICharMeasure, IMouseHelper } from './Types';\nimport { IRenderer } from './renderer/Types';\n\nexport class MouseHelper implements IMouseHelper {\n constructor(private _renderer: IRenderer) {}\n\n public setRenderer(renderer: IRenderer): void {\n this._renderer = renderer;\n }\n\n public static getCoordsRelativeToElement(event: {clientX: number, clientY: number}, element: HTMLElement): [number, number] {\n const rect = element.getBoundingClientRect();\n return [event.clientX - rect.left, event.clientY - rect.top];\n }\n\n /**\n * Gets coordinates within the terminal for a particular mouse event. The result\n * is returned as an array in the form [x, y] instead of an object as it's a\n * little faster and this function is used in some low level code.\n * @param event The mouse event.\n * @param element The terminal's container element.\n * @param charMeasure The char measure object used to determine character sizes.\n * @param colCount The number of columns in the terminal.\n * @param rowCount The number of rows n the terminal.\n * @param isSelection Whether the request is for the selection or not. This will\n * apply an offset to the x value such that the left half of the cell will\n * select that cell and the right half will select the next cell.\n */\n public getCoords(event: {clientX: number, clientY: number}, element: HTMLElement, charMeasure: ICharMeasure, colCount: number, rowCount: number, isSelection?: boolean): [number, number] {\n // Coordinates cannot be measured if charMeasure has not been initialized\n if (!charMeasure.width || !charMeasure.height) {\n return null;\n }\n\n const coords = MouseHelper.getCoordsRelativeToElement(event, element);\n if (!coords) {\n return null;\n }\n\n coords[0] = Math.ceil((coords[0] + (isSelection ? this._renderer.dimensions.actualCellWidth / 2 : 0)) / this._renderer.dimensions.actualCellWidth);\n coords[1] = Math.ceil(coords[1] / this._renderer.dimensions.actualCellHeight);\n\n // Ensure coordinates are within the terminal viewport. Note that selections\n // need an addition point of precision to cover the end point (as characters\n // cover half of one char and half of the next).\n coords[0] = Math.min(Math.max(coords[0], 1), colCount + (isSelection ? 1 : 0));\n coords[1] = Math.min(Math.max(coords[1], 1), rowCount);\n\n return coords;\n }\n\n /**\n * Gets coordinates within the terminal for a particular mouse event, wrapping\n * them to the bounds of the terminal and adding 32 to both the x and y values\n * as expected by xterm.\n * @param event The mouse event.\n * @param element The terminal's container element.\n * @param charMeasure The char measure object used to determine character sizes.\n * @param colCount The number of columns in the terminal.\n * @param rowCount The number of rows in the terminal.\n */\n public getRawByteCoords(event: MouseEvent, element: HTMLElement, charMeasure: ICharMeasure, colCount: number, rowCount: number): { x: number, y: number } {\n const coords = this.getCoords(event, element, charMeasure, colCount, rowCount);\n let x = coords[0];\n let y = coords[1];\n\n // xterm sends raw bytes and starts at 32 (SP) for each.\n x += 32;\n y += 32;\n\n return { x, y };\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ILinkifierEvent, ILinkMatcher, LinkMatcherHandler, ILinkMatcherOptions, ILinkifier, ITerminal, IBufferStringIteratorResult, IMouseZoneManager } from './Types';\nimport { MouseZone } from './MouseZoneManager';\nimport { getStringCellWidth } from './CharWidth';\nimport { EventEmitter2, IEvent } from './common/EventEmitter2';\n\n/**\n * The Linkifier applies links to rows shortly after they have been refreshed.\n */\nexport class Linkifier implements ILinkifier {\n /**\n * The time to wait after a row is changed before it is linkified. This prevents\n * the costly operation of searching every row multiple times, potentially a\n * huge amount of times.\n */\n protected static readonly TIME_BEFORE_LINKIFY = 200;\n\n /**\n * Limit of the unwrapping line expansion (overscan) at the top and bottom\n * of the actual viewport in ASCII characters.\n * A limit of 2000 should match most sane urls.\n */\n protected static readonly OVERSCAN_CHAR_LIMIT = 2000;\n\n protected _linkMatchers: ILinkMatcher[] = [];\n\n private _mouseZoneManager: IMouseZoneManager;\n private _rowsTimeoutId: number;\n private _nextLinkMatcherId = 0;\n private _rowsToLinkify: { start: number, end: number };\n\n private _onLinkHover = new EventEmitter2<ILinkifierEvent>();\n public get onLinkHover(): IEvent<ILinkifierEvent> { return this._onLinkHover.event; }\n private _onLinkLeave = new EventEmitter2<ILinkifierEvent>();\n public get onLinkLeave(): IEvent<ILinkifierEvent> { return this._onLinkLeave.event; }\n private _onLinkTooltip = new EventEmitter2<ILinkifierEvent>();\n public get onLinkTooltip(): IEvent<ILinkifierEvent> { return this._onLinkTooltip.event; }\n\n constructor(\n protected _terminal: ITerminal\n ) {\n this._rowsToLinkify = {\n start: null,\n end: null\n };\n }\n\n /**\n * Attaches the linkifier to the DOM, enabling linkification.\n * @param mouseZoneManager The mouse zone manager to register link zones with.\n */\n public attachToDom(mouseZoneManager: IMouseZoneManager): void {\n this._mouseZoneManager = mouseZoneManager;\n }\n\n /**\n * Queue linkification on a set of rows.\n * @param start The row to linkify from (inclusive).\n * @param end The row to linkify to (inclusive).\n */\n public linkifyRows(start: number, end: number): void {\n // Don't attempt linkify if not yet attached to DOM\n if (!this._mouseZoneManager) {\n return;\n }\n\n // Increase range to linkify\n if (this._rowsToLinkify.start === null) {\n this._rowsToLinkify.start = start;\n this._rowsToLinkify.end = end;\n } else {\n this._rowsToLinkify.start = Math.min(this._rowsToLinkify.start, start);\n this._rowsToLinkify.end = Math.max(this._rowsToLinkify.end, end);\n }\n\n // Clear out any existing links on this row range\n this._mouseZoneManager.clearAll(start, end);\n\n // Restart timer\n if (this._rowsTimeoutId) {\n clearTimeout(this._rowsTimeoutId);\n }\n this._rowsTimeoutId = <number><any>setTimeout(() => this._linkifyRows(), Linkifier.TIME_BEFORE_LINKIFY);\n }\n\n /**\n * Linkifies the rows requested.\n */\n private _linkifyRows(): void {\n this._rowsTimeoutId = null;\n const buffer = this._terminal.buffer;\n\n // Ensure the start row exists\n const absoluteRowIndexStart = buffer.ydisp + this._rowsToLinkify.start;\n if (absoluteRowIndexStart >= buffer.lines.length) {\n return;\n }\n\n // Invalidate bad end row values (if a resize happened)\n const absoluteRowIndexEnd = buffer.ydisp + Math.min(this._rowsToLinkify.end, this._terminal.rows) + 1;\n\n // Iterate over the range of unwrapped content strings within start..end\n // (excluding).\n // _doLinkifyRow gets full unwrapped lines with the start row as buffer offset\n // for every matcher.\n // The unwrapping is needed to also match content that got wrapped across\n // several buffer lines. To avoid a worst case scenario where the whole buffer\n // contains just a single unwrapped string we limit this line expansion beyond\n // the viewport to +OVERSCAN_CHAR_LIMIT chars (overscan) at top and bottom.\n // This comes with the tradeoff that matches longer than OVERSCAN_CHAR_LIMIT\n // chars will not match anymore at the viewport borders.\n const overscanLineLimit = Math.ceil(Linkifier.OVERSCAN_CHAR_LIMIT / this._terminal.cols);\n const iterator = this._terminal.buffer.iterator(\n false, absoluteRowIndexStart, absoluteRowIndexEnd, overscanLineLimit, overscanLineLimit);\n while (iterator.hasNext()) {\n const lineData: IBufferStringIteratorResult = iterator.next();\n for (let i = 0; i < this._linkMatchers.length; i++) {\n this._doLinkifyRow(lineData.range.first, lineData.content, this._linkMatchers[i]);\n }\n }\n\n this._rowsToLinkify.start = null;\n this._rowsToLinkify.end = null;\n }\n\n /**\n * Registers a link matcher, allowing custom link patterns to be matched and\n * handled.\n * @param regex The regular expression to search for. Specifically, this\n * searches the textContent of the rows. You will want to use \\s to match a\n * space ' ' character for example.\n * @param handler The callback when the link is called.\n * @param options Options for the link matcher.\n * @return The ID of the new matcher, this can be used to deregister.\n */\n public registerLinkMatcher(regex: RegExp, handler: LinkMatcherHandler, options: ILinkMatcherOptions = {}): number {\n if (!handler) {\n throw new Error('handler must be defined');\n }\n const matcher: ILinkMatcher = {\n id: this._nextLinkMatcherId++,\n regex,\n handler,\n matchIndex: options.matchIndex,\n validationCallback: options.validationCallback,\n hoverTooltipCallback: options.tooltipCallback,\n hoverLeaveCallback: options.leaveCallback,\n willLinkActivate: options.willLinkActivate,\n priority: options.priority || 0\n };\n this._addLinkMatcherToList(matcher);\n return matcher.id;\n }\n\n /**\n * Inserts a link matcher to the list in the correct position based on the\n * priority of each link matcher. New link matchers of equal priority are\n * considered after older link matchers.\n * @param matcher The link matcher to be added.\n */\n private _addLinkMatcherToList(matcher: ILinkMatcher): void {\n if (this._linkMatchers.length === 0) {\n this._linkMatchers.push(matcher);\n return;\n }\n\n for (let i = this._linkMatchers.length - 1; i >= 0; i--) {\n if (matcher.priority <= this._linkMatchers[i].priority) {\n this._linkMatchers.splice(i + 1, 0, matcher);\n return;\n }\n }\n\n this._linkMatchers.splice(0, 0, matcher);\n }\n\n /**\n * Deregisters a link matcher if it has been registered.\n * @param matcherId The link matcher's ID (returned after register)\n * @return Whether a link matcher was found and deregistered.\n */\n public deregisterLinkMatcher(matcherId: number): boolean {\n for (let i = 0; i < this._linkMatchers.length; i++) {\n if (this._linkMatchers[i].id === matcherId) {\n this._linkMatchers.splice(i, 1);\n return true;\n }\n }\n return false;\n }\n\n /**\n * Linkifies a row given a specific handler.\n * @param rowIndex The row index to linkify (absolute index).\n * @param text string content of the unwrapped row.\n * @param matcher The link matcher for this line.\n */\n private _doLinkifyRow(rowIndex: number, text: string, matcher: ILinkMatcher): void {\n // clone regex to do a global search on text\n const rex = new RegExp(matcher.regex.source, matcher.regex.flags + 'g');\n let match;\n let stringIndex = -1;\n while ((match = rex.exec(text)) !== null) {\n const uri = match[typeof matcher.matchIndex !== 'number' ? 0 : matcher.matchIndex];\n if (!uri) {\n // something matched but does not comply with the given matchIndex\n // since this is most likely a bug the regex itself we simply do nothing here\n // DEBUG: print match and throw\n if ((<any>this._terminal).debug) {\n console.log({match, matcher});\n throw new Error('match found without corresponding matchIndex');\n }\n break;\n }\n\n // Get index, match.index is for the outer match which includes negated chars\n // therefore we cannot use match.index directly, instead we search the position\n // of the match group in text again\n // also correct regex and string search offsets for the next loop run\n stringIndex = text.indexOf(uri, stringIndex + 1);\n rex.lastIndex = stringIndex + uri.length;\n if (stringIndex < 0) {\n // invalid stringIndex (should not have happened)\n break;\n }\n\n // get the buffer index as [absolute row, col] for the match\n const bufferIndex = this._terminal.buffer.stringIndexToBufferIndex(rowIndex, stringIndex);\n if (bufferIndex[0] < 0) {\n // invalid bufferIndex (should not have happened)\n break;\n }\n\n const line = this._terminal.buffer.lines.get(bufferIndex[0]);\n const attr = line.getFg(bufferIndex[1]);\n let fg: number | undefined;\n if (attr) {\n fg = (attr >> 9) & 0x1ff;\n }\n\n if (matcher.validationCallback) {\n matcher.validationCallback(uri, isValid => {\n // Discard link if the line has already changed\n if (this._rowsTimeoutId) {\n return;\n }\n if (isValid) {\n this._addLink(bufferIndex[1], bufferIndex[0] - this._terminal.buffer.ydisp, uri, matcher, fg);\n }\n });\n } else {\n this._addLink(bufferIndex[1], bufferIndex[0] - this._terminal.buffer.ydisp, uri, matcher, fg);\n }\n }\n }\n\n /**\n * Registers a link to the mouse zone manager.\n * @param x The column the link starts.\n * @param y The row the link is on.\n * @param uri The URI of the link.\n * @param matcher The link matcher for the link.\n * @param fg The link color for hover event.\n */\n private _addLink(x: number, y: number, uri: string, matcher: ILinkMatcher, fg: number): void {\n const width = getStringCellWidth(uri);\n const x1 = x % this._terminal.cols;\n const y1 = y + Math.floor(x / this._terminal.cols);\n let x2 = (x1 + width) % this._terminal.cols;\n let y2 = y1 + Math.floor((x1 + width) / this._terminal.cols);\n if (x2 === 0) {\n x2 = this._terminal.cols;\n y2--;\n }\n\n this._mouseZoneManager.add(new MouseZone(\n x1 + 1,\n y1 + 1,\n x2 + 1,\n y2 + 1,\n e => {\n if (matcher.handler) {\n return matcher.handler(e, uri);\n }\n window.open(uri, '_blank');\n },\n () => {\n this._onLinkHover.fire(this._createLinkHoverEvent(x1, y1, x2, y2, fg));\n this._terminal.element.classList.add('xterm-cursor-pointer');\n },\n e => {\n this._onLinkTooltip.fire(this._createLinkHoverEvent(x1, y1, x2, y2, fg));\n if (matcher.hoverTooltipCallback) {\n matcher.hoverTooltipCallback(e, uri);\n }\n },\n () => {\n this._onLinkLeave.fire(this._createLinkHoverEvent(x1, y1, x2, y2, fg));\n this._terminal.element.classList.remove('xterm-cursor-pointer');\n if (matcher.hoverLeaveCallback) {\n matcher.hoverLeaveCallback();\n }\n },\n e => {\n if (matcher.willLinkActivate) {\n return matcher.willLinkActivate(e, uri);\n }\n return true;\n }\n ));\n }\n\n private _createLinkHoverEvent(x1: number, y1: number, x2: number, y2: number, fg: number): ILinkifierEvent {\n return { x1, y1, x2, y2, cols: this._terminal.cols, fg };\n }\n}\n","/**\n * Copyright (c) 2014 The xterm.js authors. All rights reserved.\n * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)\n * @license MIT\n */\n\nimport { IInputHandler, IDcsHandler, IEscapeSequenceParser, IInputHandlingTerminal } from './Types';\nimport { C0, C1 } from './common/data/EscapeSequences';\nimport { CHARSETS, DEFAULT_CHARSET } from './core/data/Charsets';\nimport { NULL_CELL_WIDTH, NULL_CELL_CODE, DEFAULT_ATTR_DATA } from './Buffer';\nimport { wcwidth } from './CharWidth';\nimport { EscapeSequenceParser } from './EscapeSequenceParser';\nimport { IDisposable } from 'xterm';\nimport { Disposable } from './common/Lifecycle';\nimport { concat } from './common/TypedArrayUtils';\nimport { StringToUtf32, stringFromCodePoint, utf32ToString } from './core/input/TextDecoder';\nimport { CellData, Attributes, FgFlags, BgFlags, AttributeData } from './BufferLine';\nimport { EventEmitter2, IEvent } from './common/EventEmitter2';\n\n/**\n * Map collect to glevel. Used in `selectCharset`.\n */\nconst GLEVEL: {[key: string]: number} = {'(': 0, ')': 1, '*': 2, '+': 3, '-': 1, '.': 2};\n\n\n/**\n * DCS subparser implementations\n */\n\n/**\n * DCS $ q Pt ST\n * DECRQSS (https://vt100.net/docs/vt510-rm/DECRQSS.html)\n * Request Status String (DECRQSS), VT420 and up.\n * Response: DECRPSS (https://vt100.net/docs/vt510-rm/DECRPSS.html)\n */\nclass DECRQSS implements IDcsHandler {\n private _data: Uint32Array = new Uint32Array(0);\n\n constructor(private _terminal: any) { }\n\n hook(collect: string, params: number[], flag: number): void {\n this._data = new Uint32Array(0);\n }\n\n put(data: Uint32Array, start: number, end: number): void {\n this._data = concat(this._data, data.subarray(start, end));\n }\n\n unhook(): void {\n const data = utf32ToString(this._data);\n this._data = new Uint32Array(0);\n switch (data) {\n // valid: DCS 1 $ r Pt ST (xterm)\n case '\"q': // DECSCA\n return this._terminal.handler(`${C0.ESC}P1$r0\"q${C0.ESC}\\\\`);\n case '\"p': // DECSCL\n return this._terminal.handler(`${C0.ESC}P1$r61\"p${C0.ESC}\\\\`);\n case 'r': // DECSTBM\n const pt = '' + (this._terminal.buffer.scrollTop + 1) +\n ';' + (this._terminal.buffer.scrollBottom + 1) + 'r';\n return this._terminal.handler(`${C0.ESC}P1$r${pt}${C0.ESC}\\\\`);\n case 'm': // SGR\n // TODO: report real settings instead of 0m\n return this._terminal.handler(`${C0.ESC}P1$r0m${C0.ESC}\\\\`);\n case ' q': // DECSCUSR\n const STYLES: {[key: string]: number} = {'block': 2, 'underline': 4, 'bar': 6};\n let style = STYLES[this._terminal.getOption('cursorStyle')];\n style -= this._terminal.getOption('cursorBlink');\n return this._terminal.handler(`${C0.ESC}P1$r${style} q${C0.ESC}\\\\`);\n default:\n // invalid: DCS 0 $ r Pt ST (xterm)\n this._terminal.error('Unknown DCS $q %s', data);\n this._terminal.handler(`${C0.ESC}P0$r${C0.ESC}\\\\`);\n }\n }\n}\n\n/**\n * DCS Ps; Ps| Pt ST\n * DECUDK (https://vt100.net/docs/vt510-rm/DECUDK.html)\n * not supported\n */\n\n/**\n * DCS + q Pt ST (xterm)\n * Request Terminfo String\n * not implemented\n */\n\n/**\n * DCS + p Pt ST (xterm)\n * Set Terminfo Data\n * not supported\n */\n\n\n\n/**\n * The terminal's standard implementation of IInputHandler, this handles all\n * input from the Parser.\n *\n * Refer to http://invisible-island.net/xterm/ctlseqs/ctlseqs.html to understand\n * each function's header comment.\n */\nexport class InputHandler extends Disposable implements IInputHandler {\n private _parseBuffer: Uint32Array = new Uint32Array(4096);\n private _stringDecoder: StringToUtf32 = new StringToUtf32();\n private _workCell: CellData = new CellData();\n\n private _onCursorMove = new EventEmitter2<void>();\n public get onCursorMove(): IEvent<void> { return this._onCursorMove.event; }\n private _onData = new EventEmitter2<string>();\n public get onData(): IEvent<string> { return this._onData.event; }\n private _onLineFeed = new EventEmitter2<void>();\n public get onLineFeed(): IEvent<void> { return this._onLineFeed.event; }\n private _onScroll = new EventEmitter2<number>();\n public get onScroll(): IEvent<number> { return this._onScroll.event; }\n\n constructor(\n protected _terminal: IInputHandlingTerminal,\n private _parser: IEscapeSequenceParser = new EscapeSequenceParser())\n {\n super();\n\n this.register(this._parser);\n\n /**\n * custom fallback handlers\n */\n this._parser.setCsiHandlerFallback((collect: string, params: number[], flag: number) => {\n this._terminal.error('Unknown CSI code: ', { collect, params, flag: String.fromCharCode(flag) });\n });\n this._parser.setEscHandlerFallback((collect: string, flag: number) => {\n this._terminal.error('Unknown ESC code: ', { collect, flag: String.fromCharCode(flag) });\n });\n this._parser.setExecuteHandlerFallback((code: number) => {\n this._terminal.error('Unknown EXECUTE code: ', { code });\n });\n this._parser.setOscHandlerFallback((identifier: number, data: string) => {\n this._terminal.error('Unknown OSC code: ', { identifier, data });\n });\n\n /**\n * print handler\n */\n this._parser.setPrintHandler((data, start, end): void => this.print(data, start, end));\n\n /**\n * CSI handler\n */\n this._parser.setCsiHandler('@', (params, collect) => this.insertChars(params));\n this._parser.setCsiHandler('A', (params, collect) => this.cursorUp(params));\n this._parser.setCsiHandler('B', (params, collect) => this.cursorDown(params));\n this._parser.setCsiHandler('C', (params, collect) => this.cursorForward(params));\n this._parser.setCsiHandler('D', (params, collect) => this.cursorBackward(params));\n this._parser.setCsiHandler('E', (params, collect) => this.cursorNextLine(params));\n this._parser.setCsiHandler('F', (params, collect) => this.cursorPrecedingLine(params));\n this._parser.setCsiHandler('G', (params, collect) => this.cursorCharAbsolute(params));\n this._parser.setCsiHandler('H', (params, collect) => this.cursorPosition(params));\n this._parser.setCsiHandler('I', (params, collect) => this.cursorForwardTab(params));\n this._parser.setCsiHandler('J', (params, collect) => this.eraseInDisplay(params));\n this._parser.setCsiHandler('K', (params, collect) => this.eraseInLine(params));\n this._parser.setCsiHandler('L', (params, collect) => this.insertLines(params));\n this._parser.setCsiHandler('M', (params, collect) => this.deleteLines(params));\n this._parser.setCsiHandler('P', (params, collect) => this.deleteChars(params));\n this._parser.setCsiHandler('S', (params, collect) => this.scrollUp(params));\n this._parser.setCsiHandler('T', (params, collect) => this.scrollDown(params, collect));\n this._parser.setCsiHandler('X', (params, collect) => this.eraseChars(params));\n this._parser.setCsiHandler('Z', (params, collect) => this.cursorBackwardTab(params));\n this._parser.setCsiHandler('`', (params, collect) => this.charPosAbsolute(params));\n this._parser.setCsiHandler('a', (params, collect) => this.hPositionRelative(params));\n this._parser.setCsiHandler('b', (params, collect) => this.repeatPrecedingCharacter(params));\n this._parser.setCsiHandler('c', (params, collect) => this.sendDeviceAttributes(params, collect));\n this._parser.setCsiHandler('d', (params, collect) => this.linePosAbsolute(params));\n this._parser.setCsiHandler('e', (params, collect) => this.vPositionRelative(params));\n this._parser.setCsiHandler('f', (params, collect) => this.hVPosition(params));\n this._parser.setCsiHandler('g', (params, collect) => this.tabClear(params));\n this._parser.setCsiHandler('h', (params, collect) => this.setMode(params, collect));\n this._parser.setCsiHandler('l', (params, collect) => this.resetMode(params, collect));\n this._parser.setCsiHandler('m', (params, collect) => this.charAttributes(params));\n this._parser.setCsiHandler('n', (params, collect) => this.deviceStatus(params, collect));\n this._parser.setCsiHandler('p', (params, collect) => this.softReset(params, collect));\n this._parser.setCsiHandler('q', (params, collect) => this.setCursorStyle(params, collect));\n this._parser.setCsiHandler('r', (params, collect) => this.setScrollRegion(params, collect));\n this._parser.setCsiHandler('s', (params, collect) => this.saveCursor(params));\n this._parser.setCsiHandler('u', (params, collect) => this.restoreCursor(params));\n\n /**\n * execute handler\n */\n this._parser.setExecuteHandler(C0.BEL, () => this.bell());\n this._parser.setExecuteHandler(C0.LF, () => this.lineFeed());\n this._parser.setExecuteHandler(C0.VT, () => this.lineFeed());\n this._parser.setExecuteHandler(C0.FF, () => this.lineFeed());\n this._parser.setExecuteHandler(C0.CR, () => this.carriageReturn());\n this._parser.setExecuteHandler(C0.BS, () => this.backspace());\n this._parser.setExecuteHandler(C0.HT, () => this.tab());\n this._parser.setExecuteHandler(C0.SO, () => this.shiftOut());\n this._parser.setExecuteHandler(C0.SI, () => this.shiftIn());\n // FIXME: What do to with missing? Old code just added those to print.\n\n // some C1 control codes - FIXME: should those be enabled by default?\n this._parser.setExecuteHandler(C1.IND, () => this.index());\n this._parser.setExecuteHandler(C1.NEL, () => this.nextLine());\n this._parser.setExecuteHandler(C1.HTS, () => this.tabSet());\n\n /**\n * OSC handler\n */\n // 0 - icon name + title\n this._parser.setOscHandler(0, (data) => this.setTitle(data));\n // 1 - icon name\n // 2 - title\n this._parser.setOscHandler(2, (data) => this.setTitle(data));\n // 3 - set property X in the form \"prop=value\"\n // 4 - Change Color Number\n // 5 - Change Special Color Number\n // 6 - Enable/disable Special Color Number c\n // 7 - current directory? (not in xterm spec, see https://gitlab.com/gnachman/iterm2/issues/3939)\n // 10 - Change VT100 text foreground color to Pt.\n // 11 - Change VT100 text background color to Pt.\n // 12 - Change text cursor color to Pt.\n // 13 - Change mouse foreground color to Pt.\n // 14 - Change mouse background color to Pt.\n // 15 - Change Tektronix foreground color to Pt.\n // 16 - Change Tektronix background color to Pt.\n // 17 - Change highlight background color to Pt.\n // 18 - Change Tektronix cursor color to Pt.\n // 19 - Change highlight foreground color to Pt.\n // 46 - Change Log File to Pt.\n // 50 - Set Font to Pt.\n // 51 - reserved for Emacs shell.\n // 52 - Manipulate Selection Data.\n // 104 ; c - Reset Color Number c.\n // 105 ; c - Reset Special Color Number c.\n // 106 ; c; f - Enable/disable Special Color Number c.\n // 110 - Reset VT100 text foreground color.\n // 111 - Reset VT100 text background color.\n // 112 - Reset text cursor color.\n // 113 - Reset mouse foreground color.\n // 114 - Reset mouse background color.\n // 115 - Reset Tektronix foreground color.\n // 116 - Reset Tektronix background color.\n // 117 - Reset highlight color.\n // 118 - Reset Tektronix cursor color.\n // 119 - Reset highlight foreground color.\n\n /**\n * ESC handlers\n */\n this._parser.setEscHandler('7', () => this.saveCursor([]));\n this._parser.setEscHandler('8', () => this.restoreCursor([]));\n this._parser.setEscHandler('D', () => this.index());\n this._parser.setEscHandler('E', () => this.nextLine());\n this._parser.setEscHandler('H', () => this.tabSet());\n this._parser.setEscHandler('M', () => this.reverseIndex());\n this._parser.setEscHandler('=', () => this.keypadApplicationMode());\n this._parser.setEscHandler('>', () => this.keypadNumericMode());\n this._parser.setEscHandler('c', () => this.reset());\n this._parser.setEscHandler('n', () => this.setgLevel(2));\n this._parser.setEscHandler('o', () => this.setgLevel(3));\n this._parser.setEscHandler('|', () => this.setgLevel(3));\n this._parser.setEscHandler('}', () => this.setgLevel(2));\n this._parser.setEscHandler('~', () => this.setgLevel(1));\n this._parser.setEscHandler('%@', () => this.selectDefaultCharset());\n this._parser.setEscHandler('%G', () => this.selectDefaultCharset());\n for (const flag in CHARSETS) {\n this._parser.setEscHandler('(' + flag, () => this.selectCharset('(' + flag));\n this._parser.setEscHandler(')' + flag, () => this.selectCharset(')' + flag));\n this._parser.setEscHandler('*' + flag, () => this.selectCharset('*' + flag));\n this._parser.setEscHandler('+' + flag, () => this.selectCharset('+' + flag));\n this._parser.setEscHandler('-' + flag, () => this.selectCharset('-' + flag));\n this._parser.setEscHandler('.' + flag, () => this.selectCharset('.' + flag));\n this._parser.setEscHandler('/' + flag, () => this.selectCharset('/' + flag)); // TODO: supported?\n }\n\n /**\n * error handler\n */\n this._parser.setErrorHandler((state) => {\n this._terminal.error('Parsing error: ', state);\n return state;\n });\n\n /**\n * DCS handler\n */\n this._parser.setDcsHandler('$q', new DECRQSS(this._terminal));\n }\n\n public dispose(): void {\n super.dispose();\n this._terminal = null;\n }\n\n public parse(data: string): void {\n // Ensure the terminal is not disposed\n if (!this._terminal) {\n return;\n }\n\n let buffer = this._terminal.buffer;\n const cursorStartX = buffer.x;\n const cursorStartY = buffer.y;\n\n // TODO: Consolidate debug/logging #1560\n if ((<any>this._terminal).debug) {\n this._terminal.log('data: ' + data);\n }\n\n if (this._parseBuffer.length < data.length) {\n this._parseBuffer = new Uint32Array(data.length);\n }\n this._parser.parse(this._parseBuffer, this._stringDecoder.decode(data, this._parseBuffer));\n\n buffer = this._terminal.buffer;\n if (buffer.x !== cursorStartX || buffer.y !== cursorStartY) {\n this._onCursorMove.fire();\n }\n }\n\n public print(data: Uint32Array, start: number, end: number): void {\n let code: number;\n let chWidth: number;\n const buffer = this._terminal.buffer;\n const charset = this._terminal.charset;\n const screenReaderMode = this._terminal.options.screenReaderMode;\n const cols = this._terminal.cols;\n const wraparoundMode = this._terminal.wraparoundMode;\n const insertMode = this._terminal.insertMode;\n const curAttr = this._terminal.curAttrData;\n let bufferRow = buffer.lines.get(buffer.y + buffer.ybase);\n\n this._terminal.updateRange(buffer.y);\n for (let pos = start; pos < end; ++pos) {\n code = data[pos];\n\n // calculate print space\n // expensive call, therefore we save width in line buffer\n chWidth = wcwidth(code);\n\n // get charset replacement character\n // charset is only defined for ASCII, therefore we only\n // search for an replacement char if code < 127\n if (code < 127 && charset) {\n const ch = charset[String.fromCharCode(code)];\n if (ch) {\n code = ch.charCodeAt(0);\n }\n }\n\n if (screenReaderMode) {\n this._terminal.emit('a11y.char', stringFromCodePoint(code));\n }\n\n // insert combining char at last cursor position\n // FIXME: needs handling after cursor jumps\n // buffer.x should never be 0 for a combining char\n // since they always follow a cell consuming char\n // therefore we can test for buffer.x to avoid overflow left\n if (!chWidth && buffer.x) {\n if (!bufferRow.getWidth(buffer.x - 1)) {\n // found empty cell after fullwidth, need to go 2 cells back\n // it is save to step 2 cells back here\n // since an empty cell is only set by fullwidth chars\n bufferRow.addCodepointToCell(buffer.x - 2, code);\n } else {\n bufferRow.addCodepointToCell(buffer.x - 1, code);\n }\n continue;\n }\n\n // goto next line if ch would overflow\n // TODO: needs a global min terminal width of 2\n // FIXME: additionally ensure chWidth fits into a line\n // --> maybe forbid cols<xy at higher level as it would\n // introduce a bad runtime penalty here\n if (buffer.x + chWidth - 1 >= cols) {\n // autowrap - DECAWM\n // automatically wraps to the beginning of the next line\n if (wraparoundMode) {\n buffer.x = 0;\n buffer.y++;\n if (buffer.y > buffer.scrollBottom) {\n buffer.y--;\n this._terminal.scroll(true);\n } else {\n // The line already exists (eg. the initial viewport), mark it as a\n // wrapped line\n buffer.lines.get(buffer.y).isWrapped = true;\n }\n // row changed, get it again\n bufferRow = buffer.lines.get(buffer.y + buffer.ybase);\n } else {\n if (chWidth === 2) {\n // FIXME: check for xterm behavior\n // What to do here? We got a wide char that does not fit into last cell\n continue;\n }\n // FIXME: Do we have to set buffer.x to cols - 1, if not wrapping?\n }\n }\n\n // insert mode: move characters to right\n if (insertMode) {\n // right shift cells according to the width\n bufferRow.insertCells(buffer.x, chWidth, buffer.getNullCell(curAttr));\n // test last cell - since the last cell has only room for\n // a halfwidth char any fullwidth shifted there is lost\n // and will be set to empty cell\n if (bufferRow.getWidth(cols - 1) === 2) {\n bufferRow.setCellFromCodePoint(cols - 1, NULL_CELL_CODE, NULL_CELL_WIDTH, curAttr.fg, curAttr.bg);\n }\n }\n\n // write current char to buffer and advance cursor\n bufferRow.setCellFromCodePoint(buffer.x++, code, chWidth, curAttr.fg, curAttr.bg);\n\n // fullwidth char - also set next cell to placeholder stub and advance cursor\n // for graphemes bigger than fullwidth we can simply loop to zero\n // we already made sure above, that buffer.x + chWidth will not overflow right\n if (chWidth > 0) {\n while (--chWidth) {\n // other than a regular empty cell a cell following a wide char has no width\n bufferRow.setCellFromCodePoint(buffer.x++, 0, 0, curAttr.fg, curAttr.bg);\n }\n }\n }\n this._terminal.updateRange(buffer.y);\n }\n\n /**\n * Forward addCsiHandler from parser.\n */\n public addCsiHandler(flag: string, callback: (params: number[], collect: string) => boolean): IDisposable {\n return this._parser.addCsiHandler(flag, callback);\n }\n\n /**\n * Forward addOscHandler from parser.\n */\n public addOscHandler(ident: number, callback: (data: string) => boolean): IDisposable {\n return this._parser.addOscHandler(ident, callback);\n }\n\n /**\n * BEL\n * Bell (Ctrl-G).\n */\n public bell(): void {\n this._terminal.bell();\n }\n\n /**\n * LF\n * Line Feed or New Line (NL). (LF is Ctrl-J).\n */\n public lineFeed(): void {\n // make buffer local for faster access\n const buffer = this._terminal.buffer;\n\n if (this._terminal.options.convertEol) {\n buffer.x = 0;\n }\n buffer.y++;\n if (buffer.y > buffer.scrollBottom) {\n buffer.y--;\n this._terminal.scroll();\n }\n // If the end of the line is hit, prevent this action from wrapping around to the next line.\n if (buffer.x >= this._terminal.cols) {\n buffer.x--;\n }\n\n this._onLineFeed.fire();\n }\n\n /**\n * CR\n * Carriage Return (Ctrl-M).\n */\n public carriageReturn(): void {\n this._terminal.buffer.x = 0;\n }\n\n /**\n * BS\n * Backspace (Ctrl-H).\n */\n public backspace(): void {\n if (this._terminal.buffer.x > 0) {\n this._terminal.buffer.x--;\n }\n }\n\n /**\n * TAB\n * Horizontal Tab (HT) (Ctrl-I).\n */\n public tab(): void {\n const originalX = this._terminal.buffer.x;\n this._terminal.buffer.x = this._terminal.buffer.nextStop();\n if (this._terminal.options.screenReaderMode) {\n this._terminal.emit('a11y.tab', this._terminal.buffer.x - originalX);\n }\n }\n\n /**\n * SO\n * Shift Out (Ctrl-N) -> Switch to Alternate Character Set. This invokes the\n * G1 character set.\n */\n public shiftOut(): void {\n this._terminal.setgLevel(1);\n }\n\n /**\n * SI\n * Shift In (Ctrl-O) -> Switch to Standard Character Set. This invokes the G0\n * character set (the default).\n */\n public shiftIn(): void {\n this._terminal.setgLevel(0);\n }\n\n /**\n * CSI Ps @\n * Insert Ps (Blank) Character(s) (default = 1) (ICH).\n */\n public insertChars(params: number[]): void {\n this._terminal.buffer.lines.get(this._terminal.buffer.y + this._terminal.buffer.ybase).insertCells(\n this._terminal.buffer.x,\n params[0] || 1,\n this._terminal.buffer.getNullCell(this._terminal.eraseAttrData())\n );\n this._terminal.updateRange(this._terminal.buffer.y);\n }\n\n /**\n * CSI Ps A\n * Cursor Up Ps Times (default = 1) (CUU).\n */\n public cursorUp(params: number[]): void {\n let param = params[0];\n if (param < 1) {\n param = 1;\n }\n this._terminal.buffer.y -= param;\n if (this._terminal.buffer.y < 0) {\n this._terminal.buffer.y = 0;\n }\n }\n\n /**\n * CSI Ps B\n * Cursor Down Ps Times (default = 1) (CUD).\n */\n public cursorDown(params: number[]): void {\n let param = params[0];\n if (param < 1) {\n param = 1;\n }\n this._terminal.buffer.y += param;\n if (this._terminal.buffer.y >= this._terminal.rows) {\n this._terminal.buffer.y = this._terminal.rows - 1;\n }\n // If the end of the line is hit, prevent this action from wrapping around to the next line.\n if (this._terminal.buffer.x >= this._terminal.cols) {\n this._terminal.buffer.x--;\n }\n }\n\n /**\n * CSI Ps C\n * Cursor Forward Ps Times (default = 1) (CUF).\n */\n public cursorForward(params: number[]): void {\n let param = params[0];\n if (param < 1) {\n param = 1;\n }\n this._terminal.buffer.x += param;\n if (this._terminal.buffer.x >= this._terminal.cols) {\n this._terminal.buffer.x = this._terminal.cols - 1;\n }\n }\n\n /**\n * CSI Ps D\n * Cursor Backward Ps Times (default = 1) (CUB).\n */\n public cursorBackward(params: number[]): void {\n let param = params[0];\n if (param < 1) {\n param = 1;\n }\n // If the end of the line is hit, prevent this action from wrapping around to the next line.\n if (this._terminal.buffer.x >= this._terminal.cols) {\n this._terminal.buffer.x--;\n }\n this._terminal.buffer.x -= param;\n if (this._terminal.buffer.x < 0) {\n this._terminal.buffer.x = 0;\n }\n }\n\n /**\n * CSI Ps E\n * Cursor Next Line Ps Times (default = 1) (CNL).\n * same as CSI Ps B ?\n */\n public cursorNextLine(params: number[]): void {\n let param = params[0];\n if (param < 1) {\n param = 1;\n }\n this._terminal.buffer.y += param;\n if (this._terminal.buffer.y >= this._terminal.rows) {\n this._terminal.buffer.y = this._terminal.rows - 1;\n }\n this._terminal.buffer.x = 0;\n }\n\n\n /**\n * CSI Ps F\n * Cursor Preceding Line Ps Times (default = 1) (CNL).\n * reuse CSI Ps A ?\n */\n public cursorPrecedingLine(params: number[]): void {\n let param = params[0];\n if (param < 1) {\n param = 1;\n }\n this._terminal.buffer.y -= param;\n if (this._terminal.buffer.y < 0) {\n this._terminal.buffer.y = 0;\n }\n this._terminal.buffer.x = 0;\n }\n\n\n /**\n * CSI Ps G\n * Cursor Character Absolute [column] (default = [row,1]) (CHA).\n */\n public cursorCharAbsolute(params: number[]): void {\n let param = params[0];\n if (param < 1) {\n param = 1;\n }\n this._terminal.buffer.x = param - 1;\n }\n\n /**\n * CSI Ps ; Ps H\n * Cursor Position [row;column] (default = [1,1]) (CUP).\n */\n public cursorPosition(params: number[]): void {\n let col: number;\n let row: number = params[0] - 1;\n\n if (params.length >= 2) {\n col = params[1] - 1;\n } else {\n col = 0;\n }\n\n if (row < 0) {\n row = 0;\n } else if (row >= this._terminal.rows) {\n row = this._terminal.rows - 1;\n }\n\n if (col < 0) {\n col = 0;\n } else if (col >= this._terminal.cols) {\n col = this._terminal.cols - 1;\n }\n\n this._terminal.buffer.x = col;\n this._terminal.buffer.y = row;\n }\n\n /**\n * CSI Ps I\n * Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).\n */\n public cursorForwardTab(params: number[]): void {\n let param = params[0] || 1;\n while (param--) {\n this._terminal.buffer.x = this._terminal.buffer.nextStop();\n }\n }\n\n /**\n * Helper method to erase cells in a terminal row.\n * The cell gets replaced with the eraseChar of the terminal.\n * @param y row index\n * @param start first cell index to be erased\n * @param end end - 1 is last erased cell\n */\n private _eraseInBufferLine(y: number, start: number, end: number, clearWrap: boolean = false): void {\n const line = this._terminal.buffer.lines.get(this._terminal.buffer.ybase + y);\n line.replaceCells(\n start,\n end,\n this._terminal.buffer.getNullCell(this._terminal.eraseAttrData())\n );\n if (clearWrap) {\n line.isWrapped = false;\n }\n }\n\n /**\n * Helper method to reset cells in a terminal row.\n * The cell gets replaced with the eraseChar of the terminal and the isWrapped property is set to false.\n * @param y row index\n */\n private _resetBufferLine(y: number): void {\n this._eraseInBufferLine(y, 0, this._terminal.cols, true);\n }\n\n /**\n * CSI Ps J Erase in Display (ED).\n * Ps = 0 -> Erase Below (default).\n * Ps = 1 -> Erase Above.\n * Ps = 2 -> Erase All.\n * Ps = 3 -> Erase Saved Lines (xterm).\n * CSI ? Ps J\n * Erase in Display (DECSED).\n * Ps = 0 -> Selective Erase Below (default).\n * Ps = 1 -> Selective Erase Above.\n * Ps = 2 -> Selective Erase All.\n */\n public eraseInDisplay(params: number[]): void {\n let j;\n switch (params[0]) {\n case 0:\n j = this._terminal.buffer.y;\n this._terminal.updateRange(j);\n this._eraseInBufferLine(j++, this._terminal.buffer.x, this._terminal.cols, this._terminal.buffer.x === 0);\n for (; j < this._terminal.rows; j++) {\n this._resetBufferLine(j);\n }\n this._terminal.updateRange(j);\n break;\n case 1:\n j = this._terminal.buffer.y;\n this._terminal.updateRange(j);\n // Deleted front part of line and everything before. This line will no longer be wrapped.\n this._eraseInBufferLine(j, 0, this._terminal.buffer.x + 1, true);\n if (this._terminal.buffer.x + 1 >= this._terminal.cols) {\n // Deleted entire previous line. This next line can no longer be wrapped.\n this._terminal.buffer.lines.get(j + 1).isWrapped = false;\n }\n while (j--) {\n this._resetBufferLine(j);\n }\n this._terminal.updateRange(0);\n break;\n case 2:\n j = this._terminal.rows;\n this._terminal.updateRange(j - 1);\n while (j--) {\n this._resetBufferLine(j);\n }\n this._terminal.updateRange(0);\n break;\n case 3:\n // Clear scrollback (everything not in viewport)\n const scrollBackSize = this._terminal.buffer.lines.length - this._terminal.rows;\n if (scrollBackSize > 0) {\n this._terminal.buffer.lines.trimStart(scrollBackSize);\n this._terminal.buffer.ybase = Math.max(this._terminal.buffer.ybase - scrollBackSize, 0);\n this._terminal.buffer.ydisp = Math.max(this._terminal.buffer.ydisp - scrollBackSize, 0);\n // Force a scroll event to refresh viewport\n this._onScroll.fire(0);\n }\n break;\n }\n }\n\n /**\n * CSI Ps K Erase in Line (EL).\n * Ps = 0 -> Erase to Right (default).\n * Ps = 1 -> Erase to Left.\n * Ps = 2 -> Erase All.\n * CSI ? Ps K\n * Erase in Line (DECSEL).\n * Ps = 0 -> Selective Erase to Right (default).\n * Ps = 1 -> Selective Erase to Left.\n * Ps = 2 -> Selective Erase All.\n */\n public eraseInLine(params: number[]): void {\n switch (params[0]) {\n case 0:\n this._eraseInBufferLine(this._terminal.buffer.y, this._terminal.buffer.x, this._terminal.cols);\n break;\n case 1:\n this._eraseInBufferLine(this._terminal.buffer.y, 0, this._terminal.buffer.x + 1);\n break;\n case 2:\n this._eraseInBufferLine(this._terminal.buffer.y, 0, this._terminal.cols);\n break;\n }\n this._terminal.updateRange(this._terminal.buffer.y);\n }\n\n /**\n * CSI Ps L\n * Insert Ps Line(s) (default = 1) (IL).\n */\n public insertLines(params: number[]): void {\n let param: number = params[0];\n if (param < 1) {\n param = 1;\n }\n\n // make buffer local for faster access\n const buffer = this._terminal.buffer;\n\n const row: number = buffer.y + buffer.ybase;\n\n const scrollBottomRowsOffset = this._terminal.rows - 1 - buffer.scrollBottom;\n const scrollBottomAbsolute = this._terminal.rows - 1 + buffer.ybase - scrollBottomRowsOffset + 1;\n while (param--) {\n // test: echo -e '\\e[44m\\e[1L\\e[0m'\n // blankLine(true) - xterm/linux behavior\n buffer.lines.splice(scrollBottomAbsolute - 1, 1);\n buffer.lines.splice(row, 0, buffer.getBlankLine(this._terminal.eraseAttrData()));\n }\n\n // this.maxRange();\n this._terminal.updateRange(buffer.y);\n this._terminal.updateRange(buffer.scrollBottom);\n }\n\n /**\n * CSI Ps M\n * Delete Ps Line(s) (default = 1) (DL).\n */\n public deleteLines(params: number[]): void {\n let param = params[0];\n if (param < 1) {\n param = 1;\n }\n\n // make buffer local for faster access\n const buffer = this._terminal.buffer;\n\n const row: number = buffer.y + buffer.ybase;\n\n let j: number;\n j = this._terminal.rows - 1 - buffer.scrollBottom;\n j = this._terminal.rows - 1 + buffer.ybase - j;\n while (param--) {\n // test: echo -e '\\e[44m\\e[1M\\e[0m'\n // blankLine(true) - xterm/linux behavior\n buffer.lines.splice(row, 1);\n buffer.lines.splice(j, 0, buffer.getBlankLine(this._terminal.eraseAttrData()));\n }\n\n // this.maxRange();\n this._terminal.updateRange(buffer.y);\n this._terminal.updateRange(buffer.scrollBottom);\n }\n\n /**\n * CSI Ps P\n * Delete Ps Character(s) (default = 1) (DCH).\n */\n public deleteChars(params: number[]): void {\n this._terminal.buffer.lines.get(this._terminal.buffer.y + this._terminal.buffer.ybase).deleteCells(\n this._terminal.buffer.x,\n params[0] || 1,\n this._terminal.buffer.getNullCell(this._terminal.eraseAttrData())\n );\n this._terminal.updateRange(this._terminal.buffer.y);\n }\n\n /**\n * CSI Ps S Scroll up Ps lines (default = 1) (SU).\n */\n public scrollUp(params: number[]): void {\n let param = params[0] || 1;\n\n // make buffer local for faster access\n const buffer = this._terminal.buffer;\n\n while (param--) {\n buffer.lines.splice(buffer.ybase + buffer.scrollTop, 1);\n buffer.lines.splice(buffer.ybase + buffer.scrollBottom, 0, buffer.getBlankLine(DEFAULT_ATTR_DATA));\n }\n // this.maxRange();\n this._terminal.updateRange(buffer.scrollTop);\n this._terminal.updateRange(buffer.scrollBottom);\n }\n\n /**\n * CSI Ps T Scroll down Ps lines (default = 1) (SD).\n */\n public scrollDown(params: number[], collect?: string): void {\n if (params.length < 2 && !collect) {\n let param = params[0] || 1;\n\n // make buffer local for faster access\n const buffer = this._terminal.buffer;\n\n while (param--) {\n buffer.lines.splice(buffer.ybase + buffer.scrollBottom, 1);\n buffer.lines.splice(buffer.ybase + buffer.scrollTop, 0, buffer.getBlankLine(DEFAULT_ATTR_DATA));\n }\n // this.maxRange();\n this._terminal.updateRange(buffer.scrollTop);\n this._terminal.updateRange(buffer.scrollBottom);\n }\n }\n\n /**\n * CSI Ps X\n * Erase Ps Character(s) (default = 1) (ECH).\n */\n public eraseChars(params: number[]): void {\n this._terminal.buffer.lines.get(this._terminal.buffer.y + this._terminal.buffer.ybase).replaceCells(\n this._terminal.buffer.x,\n this._terminal.buffer.x + (params[0] || 1),\n this._terminal.buffer.getNullCell(this._terminal.eraseAttrData())\n );\n }\n\n /**\n * CSI Ps Z Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).\n */\n public cursorBackwardTab(params: number[]): void {\n let param = params[0] || 1;\n\n // make buffer local for faster access\n const buffer = this._terminal.buffer;\n\n while (param--) {\n buffer.x = buffer.prevStop();\n }\n }\n\n /**\n * CSI Pm ` Character Position Absolute\n * [column] (default = [row,1]) (HPA).\n */\n public charPosAbsolute(params: number[]): void {\n let param = params[0];\n if (param < 1) {\n param = 1;\n }\n this._terminal.buffer.x = param - 1;\n if (this._terminal.buffer.x >= this._terminal.cols) {\n this._terminal.buffer.x = this._terminal.cols - 1;\n }\n }\n\n /**\n * CSI Pm a Character Position Relative\n * [columns] (default = [row,col+1]) (HPR)\n * reuse CSI Ps C ?\n */\n public hPositionRelative(params: number[]): void {\n let param = params[0];\n if (param < 1) {\n param = 1;\n }\n this._terminal.buffer.x += param;\n if (this._terminal.buffer.x >= this._terminal.cols) {\n this._terminal.buffer.x = this._terminal.cols - 1;\n }\n }\n\n /**\n * CSI Ps b Repeat the preceding graphic character Ps times (REP).\n */\n public repeatPrecedingCharacter(params: number[]): void {\n // make buffer local for faster access\n const buffer = this._terminal.buffer;\n const line = buffer.lines.get(buffer.ybase + buffer.y);\n line.loadCell(buffer.x - 1, this._workCell);\n line.replaceCells(buffer.x,\n buffer.x + (params[0] || 1),\n (this._workCell.content !== undefined) ? this._workCell : buffer.getNullCell(DEFAULT_ATTR_DATA)\n );\n // FIXME: no updateRange here?\n }\n\n /**\n * CSI Ps c Send Device Attributes (Primary DA).\n * Ps = 0 or omitted -> request attributes from terminal. The\n * response depends on the decTerminalID resource setting.\n * -> CSI ? 1 ; 2 c (``VT100 with Advanced Video Option'')\n * -> CSI ? 1 ; 0 c (``VT101 with No Options'')\n * -> CSI ? 6 c (``VT102'')\n * -> CSI ? 6 0 ; 1 ; 2 ; 6 ; 8 ; 9 ; 1 5 ; c (``VT220'')\n * The VT100-style response parameters do not mean anything by\n * themselves. VT220 parameters do, telling the host what fea-\n * tures the terminal supports:\n * Ps = 1 -> 132-columns.\n * Ps = 2 -> Printer.\n * Ps = 6 -> Selective erase.\n * Ps = 8 -> User-defined keys.\n * Ps = 9 -> National replacement character sets.\n * Ps = 1 5 -> Technical characters.\n * Ps = 2 2 -> ANSI color, e.g., VT525.\n * Ps = 2 9 -> ANSI text locator (i.e., DEC Locator mode).\n * CSI > Ps c\n * Send Device Attributes (Secondary DA).\n * Ps = 0 or omitted -> request the terminal's identification\n * code. The response depends on the decTerminalID resource set-\n * ting. It should apply only to VT220 and up, but xterm extends\n * this to VT100.\n * -> CSI > Pp ; Pv ; Pc c\n * where Pp denotes the terminal type\n * Pp = 0 -> ``VT100''.\n * Pp = 1 -> ``VT220''.\n * and Pv is the firmware version (for xterm, this was originally\n * the XFree86 patch number, starting with 95). In a DEC termi-\n * nal, Pc indicates the ROM cartridge registration number and is\n * always zero.\n * More information:\n * xterm/charproc.c - line 2012, for more information.\n * vim responds with ^[[?0c or ^[[?1c after the terminal's response (?)\n */\n public sendDeviceAttributes(params: number[], collect?: string): void {\n if (params[0] > 0) {\n return;\n }\n\n if (!collect) {\n if (this._terminal.is('xterm') || this._terminal.is('rxvt-unicode') || this._terminal.is('screen')) {\n this._terminal.handler(C0.ESC + '[?1;2c');\n } else if (this._terminal.is('linux')) {\n this._terminal.handler(C0.ESC + '[?6c');\n }\n } else if (collect === '>') {\n // xterm and urxvt\n // seem to spit this\n // out around ~370 times (?).\n if (this._terminal.is('xterm')) {\n this._terminal.handler(C0.ESC + '[>0;276;0c');\n } else if (this._terminal.is('rxvt-unicode')) {\n this._terminal.handler(C0.ESC + '[>85;95;0c');\n } else if (this._terminal.is('linux')) {\n // not supported by linux console.\n // linux console echoes parameters.\n this._terminal.handler(params[0] + 'c');\n } else if (this._terminal.is('screen')) {\n this._terminal.handler(C0.ESC + '[>83;40003;0c');\n }\n }\n }\n\n /**\n * CSI Pm d Vertical Position Absolute (VPA)\n * [row] (default = [1,column])\n */\n public linePosAbsolute(params: number[]): void {\n let param = params[0];\n if (param < 1) {\n param = 1;\n }\n this._terminal.buffer.y = param - 1;\n if (this._terminal.buffer.y >= this._terminal.rows) {\n this._terminal.buffer.y = this._terminal.rows - 1;\n }\n }\n\n /**\n * CSI Pm e Vertical Position Relative (VPR)\n * [rows] (default = [row+1,column])\n * reuse CSI Ps B ?\n */\n public vPositionRelative(params: number[]): void {\n let param = params[0];\n if (param < 1) {\n param = 1;\n }\n this._terminal.buffer.y += param;\n if (this._terminal.buffer.y >= this._terminal.rows) {\n this._terminal.buffer.y = this._terminal.rows - 1;\n }\n // If the end of the line is hit, prevent this action from wrapping around to the next line.\n if (this._terminal.buffer.x >= this._terminal.cols) {\n this._terminal.buffer.x--;\n }\n }\n\n /**\n * CSI Ps ; Ps f\n * Horizontal and Vertical Position [row;column] (default =\n * [1,1]) (HVP).\n */\n public hVPosition(params: number[]): void {\n if (params[0] < 1) params[0] = 1;\n if (params[1] < 1) params[1] = 1;\n\n this._terminal.buffer.y = params[0] - 1;\n if (this._terminal.buffer.y >= this._terminal.rows) {\n this._terminal.buffer.y = this._terminal.rows - 1;\n }\n\n this._terminal.buffer.x = params[1] - 1;\n if (this._terminal.buffer.x >= this._terminal.cols) {\n this._terminal.buffer.x = this._terminal.cols - 1;\n }\n }\n\n /**\n * CSI Ps g Tab Clear (TBC).\n * Ps = 0 -> Clear Current Column (default).\n * Ps = 3 -> Clear All.\n * Potentially:\n * Ps = 2 -> Clear Stops on Line.\n * http://vt100.net/annarbor/aaa-ug/section6.html\n */\n public tabClear(params: number[]): void {\n const param = params[0];\n if (param <= 0) {\n delete this._terminal.buffer.tabs[this._terminal.buffer.x];\n } else if (param === 3) {\n this._terminal.buffer.tabs = {};\n }\n }\n\n /**\n * CSI Pm h Set Mode (SM).\n * Ps = 2 -> Keyboard Action Mode (AM).\n * Ps = 4 -> Insert Mode (IRM).\n * Ps = 1 2 -> Send/receive (SRM).\n * Ps = 2 0 -> Automatic Newline (LNM).\n * CSI ? Pm h\n * DEC Private Mode Set (DECSET).\n * Ps = 1 -> Application Cursor Keys (DECCKM).\n * Ps = 2 -> Designate USASCII for character sets G0-G3\n * (DECANM), and set VT100 mode.\n * Ps = 3 -> 132 Column Mode (DECCOLM).\n * Ps = 4 -> Smooth (Slow) Scroll (DECSCLM).\n * Ps = 5 -> Reverse Video (DECSCNM).\n * Ps = 6 -> Origin Mode (DECOM).\n * Ps = 7 -> Wraparound Mode (DECAWM).\n * Ps = 8 -> Auto-repeat Keys (DECARM).\n * Ps = 9 -> Send Mouse X & Y on button press. See the sec-\n * tion Mouse Tracking.\n * Ps = 1 0 -> Show toolbar (rxvt).\n * Ps = 1 2 -> Start Blinking Cursor (att610).\n * Ps = 1 8 -> Print form feed (DECPFF).\n * Ps = 1 9 -> Set print extent to full screen (DECPEX).\n * Ps = 2 5 -> Show Cursor (DECTCEM).\n * Ps = 3 0 -> Show scrollbar (rxvt).\n * Ps = 3 5 -> Enable font-shifting functions (rxvt).\n * Ps = 3 8 -> Enter Tektronix Mode (DECTEK).\n * Ps = 4 0 -> Allow 80 -> 132 Mode.\n * Ps = 4 1 -> more(1) fix (see curses resource).\n * Ps = 4 2 -> Enable Nation Replacement Character sets (DECN-\n * RCM).\n * Ps = 4 4 -> Turn On Margin Bell.\n * Ps = 4 5 -> Reverse-wraparound Mode.\n * Ps = 4 6 -> Start Logging. This is normally disabled by a\n * compile-time option.\n * Ps = 4 7 -> Use Alternate Screen Buffer. (This may be dis-\n * abled by the titeInhibit resource).\n * Ps = 6 6 -> Application keypad (DECNKM).\n * Ps = 6 7 -> Backarrow key sends backspace (DECBKM).\n * Ps = 1 0 0 0 -> Send Mouse X & Y on button press and\n * release. See the section Mouse Tracking.\n * Ps = 1 0 0 1 -> Use Hilite Mouse Tracking.\n * Ps = 1 0 0 2 -> Use Cell Motion Mouse Tracking.\n * Ps = 1 0 0 3 -> Use All Motion Mouse Tracking.\n * Ps = 1 0 0 4 -> Send FocusIn/FocusOut events.\n * Ps = 1 0 0 5 -> Enable Extended Mouse Mode.\n * Ps = 1 0 1 0 -> Scroll to bottom on tty output (rxvt).\n * Ps = 1 0 1 1 -> Scroll to bottom on key press (rxvt).\n * Ps = 1 0 3 4 -> Interpret \"meta\" key, sets eighth bit.\n * (enables the eightBitInput resource).\n * Ps = 1 0 3 5 -> Enable special modifiers for Alt and Num-\n * Lock keys. (This enables the numLock resource).\n * Ps = 1 0 3 6 -> Send ESC when Meta modifies a key. (This\n * enables the metaSendsEscape resource).\n * Ps = 1 0 3 7 -> Send DEL from the editing-keypad Delete\n * key.\n * Ps = 1 0 3 9 -> Send ESC when Alt modifies a key. (This\n * enables the altSendsEscape resource).\n * Ps = 1 0 4 0 -> Keep selection even if not highlighted.\n * (This enables the keepSelection resource).\n * Ps = 1 0 4 1 -> Use the CLIPBOARD selection. (This enables\n * the selectToClipboard resource).\n * Ps = 1 0 4 2 -> Enable Urgency window manager hint when\n * Control-G is received. (This enables the bellIsUrgent\n * resource).\n * Ps = 1 0 4 3 -> Enable raising of the window when Control-G\n * is received. (enables the popOnBell resource).\n * Ps = 1 0 4 7 -> Use Alternate Screen Buffer. (This may be\n * disabled by the titeInhibit resource).\n * Ps = 1 0 4 8 -> Save cursor as in DECSC. (This may be dis-\n * abled by the titeInhibit resource).\n * Ps = 1 0 4 9 -> Save cursor as in DECSC and use Alternate\n * Screen Buffer, clearing it first. (This may be disabled by\n * the titeInhibit resource). This combines the effects of the 1\n * 0 4 7 and 1 0 4 8 modes. Use this with terminfo-based\n * applications rather than the 4 7 mode.\n * Ps = 1 0 5 0 -> Set terminfo/termcap function-key mode.\n * Ps = 1 0 5 1 -> Set Sun function-key mode.\n * Ps = 1 0 5 2 -> Set HP function-key mode.\n * Ps = 1 0 5 3 -> Set SCO function-key mode.\n * Ps = 1 0 6 0 -> Set legacy keyboard emulation (X11R6).\n * Ps = 1 0 6 1 -> Set VT220 keyboard emulation.\n * Ps = 2 0 0 4 -> Set bracketed paste mode.\n * Modes:\n * http: *vt100.net/docs/vt220-rm/chapter4.html\n */\n public setMode(params: number[], collect?: string): void {\n if (params.length > 1) {\n for (let i = 0; i < params.length; i++) {\n this.setMode([params[i]]);\n }\n\n return;\n }\n\n if (!collect) {\n switch (params[0]) {\n case 4:\n this._terminal.insertMode = true;\n break;\n case 20:\n // this._t.convertEol = true;\n break;\n }\n } else if (collect === '?') {\n switch (params[0]) {\n case 1:\n this._terminal.applicationCursor = true;\n break;\n case 2:\n this._terminal.setgCharset(0, DEFAULT_CHARSET);\n this._terminal.setgCharset(1, DEFAULT_CHARSET);\n this._terminal.setgCharset(2, DEFAULT_CHARSET);\n this._terminal.setgCharset(3, DEFAULT_CHARSET);\n // set VT100 mode here\n break;\n case 3: // 132 col mode\n this._terminal.savedCols = this._terminal.cols;\n this._terminal.resize(132, this._terminal.rows);\n break;\n case 6:\n this._terminal.originMode = true;\n break;\n case 7:\n this._terminal.wraparoundMode = true;\n break;\n case 12:\n // this.cursorBlink = true;\n break;\n case 66:\n this._terminal.log('Serial port requested application keypad.');\n this._terminal.applicationKeypad = true;\n if (this._terminal.viewport) {\n this._terminal.viewport.syncScrollArea();\n }\n break;\n case 9: // X10 Mouse\n // no release, no motion, no wheel, no modifiers.\n case 1000: // vt200 mouse\n // no motion.\n // no modifiers, except control on the wheel.\n case 1002: // button event mouse\n case 1003: // any event mouse\n // any event - sends motion events,\n // even if there is no button held down.\n\n // TODO: Why are params[0] compares nested within a switch for params[0]?\n\n this._terminal.x10Mouse = params[0] === 9;\n this._terminal.vt200Mouse = params[0] === 1000;\n this._terminal.normalMouse = params[0] > 1000;\n this._terminal.mouseEvents = true;\n if (this._terminal.element) {\n this._terminal.element.classList.add('enable-mouse-events');\n }\n if (this._terminal.selectionManager) {\n this._terminal.selectionManager.disable();\n }\n this._terminal.log('Binding to mouse events.');\n break;\n case 1004: // send focusin/focusout events\n // focusin: ^[[I\n // focusout: ^[[O\n this._terminal.sendFocus = true;\n break;\n case 1005: // utf8 ext mode mouse\n this._terminal.utfMouse = true;\n // for wide terminals\n // simply encodes large values as utf8 characters\n break;\n case 1006: // sgr ext mode mouse\n this._terminal.sgrMouse = true;\n // for wide terminals\n // does not add 32 to fields\n // press: ^[[<b;x;yM\n // release: ^[[<b;x;ym\n break;\n case 1015: // urxvt ext mode mouse\n this._terminal.urxvtMouse = true;\n // for wide terminals\n // numbers for fields\n // press: ^[[b;x;yM\n // motion: ^[[b;x;yT\n break;\n case 25: // show cursor\n this._terminal.cursorHidden = false;\n break;\n case 1048: // alt screen cursor\n this.saveCursor(params);\n break;\n case 1049: // alt screen buffer cursor\n this.saveCursor(params);\n // FALL-THROUGH\n case 47: // alt screen buffer\n case 1047: // alt screen buffer\n this._terminal.buffers.activateAltBuffer(this._terminal.eraseAttrData());\n this._terminal.refresh(0, this._terminal.rows - 1);\n if (this._terminal.viewport) {\n this._terminal.viewport.syncScrollArea();\n }\n this._terminal.showCursor();\n break;\n case 2004: // bracketed paste mode (https://cirw.in/blog/bracketed-paste)\n this._terminal.bracketedPasteMode = true;\n break;\n }\n }\n }\n\n /**\n * CSI Pm l Reset Mode (RM).\n * Ps = 2 -> Keyboard Action Mode (AM).\n * Ps = 4 -> Replace Mode (IRM).\n * Ps = 1 2 -> Send/receive (SRM).\n * Ps = 2 0 -> Normal Linefeed (LNM).\n * CSI ? Pm l\n * DEC Private Mode Reset (DECRST).\n * Ps = 1 -> Normal Cursor Keys (DECCKM).\n * Ps = 2 -> Designate VT52 mode (DECANM).\n * Ps = 3 -> 80 Column Mode (DECCOLM).\n * Ps = 4 -> Jump (Fast) Scroll (DECSCLM).\n * Ps = 5 -> Normal Video (DECSCNM).\n * Ps = 6 -> Normal Cursor Mode (DECOM).\n * Ps = 7 -> No Wraparound Mode (DECAWM).\n * Ps = 8 -> No Auto-repeat Keys (DECARM).\n * Ps = 9 -> Don't send Mouse X & Y on button press.\n * Ps = 1 0 -> Hide toolbar (rxvt).\n * Ps = 1 2 -> Stop Blinking Cursor (att610).\n * Ps = 1 8 -> Don't print form feed (DECPFF).\n * Ps = 1 9 -> Limit print to scrolling region (DECPEX).\n * Ps = 2 5 -> Hide Cursor (DECTCEM).\n * Ps = 3 0 -> Don't show scrollbar (rxvt).\n * Ps = 3 5 -> Disable font-shifting functions (rxvt).\n * Ps = 4 0 -> Disallow 80 -> 132 Mode.\n * Ps = 4 1 -> No more(1) fix (see curses resource).\n * Ps = 4 2 -> Disable Nation Replacement Character sets (DEC-\n * NRCM).\n * Ps = 4 4 -> Turn Off Margin Bell.\n * Ps = 4 5 -> No Reverse-wraparound Mode.\n * Ps = 4 6 -> Stop Logging. (This is normally disabled by a\n * compile-time option).\n * Ps = 4 7 -> Use Normal Screen Buffer.\n * Ps = 6 6 -> Numeric keypad (DECNKM).\n * Ps = 6 7 -> Backarrow key sends delete (DECBKM).\n * Ps = 1 0 0 0 -> Don't send Mouse X & Y on button press and\n * release. See the section Mouse Tracking.\n * Ps = 1 0 0 1 -> Don't use Hilite Mouse Tracking.\n * Ps = 1 0 0 2 -> Don't use Cell Motion Mouse Tracking.\n * Ps = 1 0 0 3 -> Don't use All Motion Mouse Tracking.\n * Ps = 1 0 0 4 -> Don't send FocusIn/FocusOut events.\n * Ps = 1 0 0 5 -> Disable Extended Mouse Mode.\n * Ps = 1 0 1 0 -> Don't scroll to bottom on tty output\n * (rxvt).\n * Ps = 1 0 1 1 -> Don't scroll to bottom on key press (rxvt).\n * Ps = 1 0 3 4 -> Don't interpret \"meta\" key. (This disables\n * the eightBitInput resource).\n * Ps = 1 0 3 5 -> Disable special modifiers for Alt and Num-\n * Lock keys. (This disables the numLock resource).\n * Ps = 1 0 3 6 -> Don't send ESC when Meta modifies a key.\n * (This disables the metaSendsEscape resource).\n * Ps = 1 0 3 7 -> Send VT220 Remove from the editing-keypad\n * Delete key.\n * Ps = 1 0 3 9 -> Don't send ESC when Alt modifies a key.\n * (This disables the altSendsEscape resource).\n * Ps = 1 0 4 0 -> Do not keep selection when not highlighted.\n * (This disables the keepSelection resource).\n * Ps = 1 0 4 1 -> Use the PRIMARY selection. (This disables\n * the selectToClipboard resource).\n * Ps = 1 0 4 2 -> Disable Urgency window manager hint when\n * Control-G is received. (This disables the bellIsUrgent\n * resource).\n * Ps = 1 0 4 3 -> Disable raising of the window when Control-\n * G is received. (This disables the popOnBell resource).\n * Ps = 1 0 4 7 -> Use Normal Screen Buffer, clearing screen\n * first if in the Alternate Screen. (This may be disabled by\n * the titeInhibit resource).\n * Ps = 1 0 4 8 -> Restore cursor as in DECRC. (This may be\n * disabled by the titeInhibit resource).\n * Ps = 1 0 4 9 -> Use Normal Screen Buffer and restore cursor\n * as in DECRC. (This may be disabled by the titeInhibit\n * resource). This combines the effects of the 1 0 4 7 and 1 0\n * 4 8 modes. Use this with terminfo-based applications rather\n * than the 4 7 mode.\n * Ps = 1 0 5 0 -> Reset terminfo/termcap function-key mode.\n * Ps = 1 0 5 1 -> Reset Sun function-key mode.\n * Ps = 1 0 5 2 -> Reset HP function-key mode.\n * Ps = 1 0 5 3 -> Reset SCO function-key mode.\n * Ps = 1 0 6 0 -> Reset legacy keyboard emulation (X11R6).\n * Ps = 1 0 6 1 -> Reset keyboard emulation to Sun/PC style.\n * Ps = 2 0 0 4 -> Reset bracketed paste mode.\n */\n public resetMode(params: number[], collect?: string): void {\n if (params.length > 1) {\n for (let i = 0; i < params.length; i++) {\n this.resetMode([params[i]]);\n }\n\n return;\n }\n\n if (!collect) {\n switch (params[0]) {\n case 4:\n this._terminal.insertMode = false;\n break;\n case 20:\n // this._t.convertEol = false;\n break;\n }\n } else if (collect === '?') {\n switch (params[0]) {\n case 1:\n this._terminal.applicationCursor = false;\n break;\n case 3:\n if (this._terminal.cols === 132 && this._terminal.savedCols) {\n this._terminal.resize(this._terminal.savedCols, this._terminal.rows);\n }\n delete this._terminal.savedCols;\n break;\n case 6:\n this._terminal.originMode = false;\n break;\n case 7:\n this._terminal.wraparoundMode = false;\n break;\n case 12:\n // this.cursorBlink = false;\n break;\n case 66:\n this._terminal.log('Switching back to normal keypad.');\n this._terminal.applicationKeypad = false;\n if (this._terminal.viewport) {\n this._terminal.viewport.syncScrollArea();\n }\n break;\n case 9: // X10 Mouse\n case 1000: // vt200 mouse\n case 1002: // button event mouse\n case 1003: // any event mouse\n this._terminal.x10Mouse = false;\n this._terminal.vt200Mouse = false;\n this._terminal.normalMouse = false;\n this._terminal.mouseEvents = false;\n if (this._terminal.element) {\n this._terminal.element.classList.remove('enable-mouse-events');\n }\n if (this._terminal.selectionManager) {\n this._terminal.selectionManager.enable();\n }\n break;\n case 1004: // send focusin/focusout events\n this._terminal.sendFocus = false;\n break;\n case 1005: // utf8 ext mode mouse\n this._terminal.utfMouse = false;\n break;\n case 1006: // sgr ext mode mouse\n this._terminal.sgrMouse = false;\n break;\n case 1015: // urxvt ext mode mouse\n this._terminal.urxvtMouse = false;\n break;\n case 25: // hide cursor\n this._terminal.cursorHidden = true;\n break;\n case 1048: // alt screen cursor\n this.restoreCursor(params);\n break;\n case 1049: // alt screen buffer cursor\n // FALL-THROUGH\n case 47: // normal screen buffer\n case 1047: // normal screen buffer - clearing it first\n // Ensure the selection manager has the correct buffer\n this._terminal.buffers.activateNormalBuffer();\n if (params[0] === 1049) {\n this.restoreCursor(params);\n }\n this._terminal.refresh(0, this._terminal.rows - 1);\n if (this._terminal.viewport) {\n this._terminal.viewport.syncScrollArea();\n }\n this._terminal.showCursor();\n break;\n case 2004: // bracketed paste mode (https://cirw.in/blog/bracketed-paste)\n this._terminal.bracketedPasteMode = false;\n break;\n }\n }\n }\n\n /**\n * CSI Pm m Character Attributes (SGR).\n * Ps = 0 -> Normal (default).\n * Ps = 1 -> Bold.\n * Ps = 2 -> Faint, decreased intensity (ISO 6429).\n * Ps = 4 -> Underlined.\n * Ps = 5 -> Blink (appears as Bold).\n * Ps = 7 -> Inverse.\n * Ps = 8 -> Invisible, i.e., hidden (VT300).\n * Ps = 2 2 -> Normal (neither bold nor faint).\n * Ps = 2 4 -> Not underlined.\n * Ps = 2 5 -> Steady (not blinking).\n * Ps = 2 7 -> Positive (not inverse).\n * Ps = 2 8 -> Visible, i.e., not hidden (VT300).\n * Ps = 3 0 -> Set foreground color to Black.\n * Ps = 3 1 -> Set foreground color to Red.\n * Ps = 3 2 -> Set foreground color to Green.\n * Ps = 3 3 -> Set foreground color to Yellow.\n * Ps = 3 4 -> Set foreground color to Blue.\n * Ps = 3 5 -> Set foreground color to Magenta.\n * Ps = 3 6 -> Set foreground color to Cyan.\n * Ps = 3 7 -> Set foreground color to White.\n * Ps = 3 9 -> Set foreground color to default (original).\n * Ps = 4 0 -> Set background color to Black.\n * Ps = 4 1 -> Set background color to Red.\n * Ps = 4 2 -> Set background color to Green.\n * Ps = 4 3 -> Set background color to Yellow.\n * Ps = 4 4 -> Set background color to Blue.\n * Ps = 4 5 -> Set background color to Magenta.\n * Ps = 4 6 -> Set background color to Cyan.\n * Ps = 4 7 -> Set background color to White.\n * Ps = 4 9 -> Set background color to default (original).\n *\n * If 16-color support is compiled, the following apply. Assume\n * that xterm's resources are set so that the ISO color codes are\n * the first 8 of a set of 16. Then the aixterm colors are the\n * bright versions of the ISO colors:\n * Ps = 9 0 -> Set foreground color to Black.\n * Ps = 9 1 -> Set foreground color to Red.\n * Ps = 9 2 -> Set foreground color to Green.\n * Ps = 9 3 -> Set foreground color to Yellow.\n * Ps = 9 4 -> Set foreground color to Blue.\n * Ps = 9 5 -> Set foreground color to Magenta.\n * Ps = 9 6 -> Set foreground color to Cyan.\n * Ps = 9 7 -> Set foreground color to White.\n * Ps = 1 0 0 -> Set background color to Black.\n * Ps = 1 0 1 -> Set background color to Red.\n * Ps = 1 0 2 -> Set background color to Green.\n * Ps = 1 0 3 -> Set background color to Yellow.\n * Ps = 1 0 4 -> Set background color to Blue.\n * Ps = 1 0 5 -> Set background color to Magenta.\n * Ps = 1 0 6 -> Set background color to Cyan.\n * Ps = 1 0 7 -> Set background color to White.\n *\n * If xterm is compiled with the 16-color support disabled, it\n * supports the following, from rxvt:\n * Ps = 1 0 0 -> Set foreground and background color to\n * default.\n *\n * If 88- or 256-color support is compiled, the following apply.\n * Ps = 3 8 ; 5 ; Ps -> Set foreground color to the second\n * Ps.\n * Ps = 4 8 ; 5 ; Ps -> Set background color to the second\n * Ps.\n */\n public charAttributes(params: number[]): void {\n // Optimize a single SGR0.\n if (params.length === 1 && params[0] === 0) {\n this._terminal.curAttrData.fg = DEFAULT_ATTR_DATA.fg;\n this._terminal.curAttrData.bg = DEFAULT_ATTR_DATA.bg;\n return;\n }\n\n const l = params.length;\n let p;\n const attr = this._terminal.curAttrData;\n\n for (let i = 0; i < l; i++) {\n p = params[i];\n if (p >= 30 && p <= 37) {\n // fg color 8\n attr.fg &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK);\n attr.fg |= Attributes.CM_P16 | (p - 30);\n } else if (p >= 40 && p <= 47) {\n // bg color 8\n attr.bg &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK);\n attr.bg |= Attributes.CM_P16 | (p - 40);\n } else if (p >= 90 && p <= 97) {\n // fg color 16\n attr.fg &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK);\n attr.fg |= Attributes.CM_P16 | (p - 90) | 8;\n } else if (p >= 100 && p <= 107) {\n // bg color 16\n attr.bg &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK);\n attr.bg |= Attributes.CM_P16 | (p - 100) | 8;\n } else if (p === 0) {\n // default\n attr.fg = DEFAULT_ATTR_DATA.fg;\n attr.bg = DEFAULT_ATTR_DATA.bg;\n } else if (p === 1) {\n // bold text\n attr.fg |= FgFlags.BOLD;\n } else if (p === 3) {\n // italic text\n attr.bg |= BgFlags.ITALIC;\n } else if (p === 4) {\n // underlined text\n attr.fg |= FgFlags.UNDERLINE;\n } else if (p === 5) {\n // blink\n attr.fg |= FgFlags.BLINK;\n } else if (p === 7) {\n // inverse and positive\n // test with: echo -e '\\e[31m\\e[42mhello\\e[7mworld\\e[27mhi\\e[m'\n attr.fg |= FgFlags.INVERSE;\n } else if (p === 8) {\n // invisible\n attr.fg |= FgFlags.INVISIBLE;\n } else if (p === 2) {\n // dimmed text\n attr.bg |= BgFlags.DIM;\n } else if (p === 22) {\n // not bold nor faint\n attr.fg &= ~FgFlags.BOLD;\n attr.bg &= ~BgFlags.DIM;\n } else if (p === 23) {\n // not italic\n attr.bg &= ~BgFlags.ITALIC;\n } else if (p === 24) {\n // not underlined\n attr.fg &= ~FgFlags.UNDERLINE;\n } else if (p === 25) {\n // not blink\n attr.fg &= ~FgFlags.BLINK;\n } else if (p === 27) {\n // not inverse\n attr.fg &= ~FgFlags.INVERSE;\n } else if (p === 28) {\n // not invisible\n attr.fg &= ~FgFlags.INVISIBLE;\n } else if (p === 39) {\n // reset fg\n attr.fg &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);\n attr.fg |= DEFAULT_ATTR_DATA.fg & (Attributes.PCOLOR_MASK | Attributes.RGB_MASK);\n } else if (p === 49) {\n // reset bg\n attr.bg &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);\n attr.bg |= DEFAULT_ATTR_DATA.bg & (Attributes.PCOLOR_MASK | Attributes.RGB_MASK);\n } else if (p === 38) {\n // fg color 256\n if (params[i + 1] === 2) {\n i += 2;\n attr.fg |= Attributes.CM_RGB;\n attr.fg &= ~Attributes.RGB_MASK;\n attr.fg |= AttributeData.fromColorRGB([params[i], params[i + 1], params[i + 2]]);\n i += 2;\n } else if (params[i + 1] === 5) {\n i += 2;\n p = params[i] & 0xff;\n attr.fg &= ~Attributes.PCOLOR_MASK;\n attr.fg |= Attributes.CM_P256 | p;\n }\n } else if (p === 48) {\n // bg color 256\n if (params[i + 1] === 2) {\n i += 2;\n attr.bg |= Attributes.CM_RGB;\n attr.bg &= ~Attributes.RGB_MASK;\n attr.bg |= AttributeData.fromColorRGB([params[i], params[i + 1], params[i + 2]]);\n i += 2;\n } else if (params[i + 1] === 5) {\n i += 2;\n p = params[i] & 0xff;\n attr.bg &= ~Attributes.PCOLOR_MASK;\n attr.bg |= Attributes.CM_P256 | p;\n }\n } else if (p === 100) {\n // reset fg/bg\n attr.fg &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);\n attr.fg |= DEFAULT_ATTR_DATA.fg & (Attributes.PCOLOR_MASK | Attributes.RGB_MASK);\n attr.bg &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);\n attr.bg |= DEFAULT_ATTR_DATA.bg & (Attributes.PCOLOR_MASK | Attributes.RGB_MASK);\n } else {\n this._terminal.error('Unknown SGR attribute: %d.', p);\n }\n }\n }\n\n /**\n * CSI Ps n Device Status Report (DSR).\n * Ps = 5 -> Status Report. Result (``OK'') is\n * CSI 0 n\n * Ps = 6 -> Report Cursor Position (CPR) [row;column].\n * Result is\n * CSI r ; c R\n * CSI ? Ps n\n * Device Status Report (DSR, DEC-specific).\n * Ps = 6 -> Report Cursor Position (CPR) [row;column] as CSI\n * ? r ; c R (assumes page is zero).\n * Ps = 1 5 -> Report Printer status as CSI ? 1 0 n (ready).\n * or CSI ? 1 1 n (not ready).\n * Ps = 2 5 -> Report UDK status as CSI ? 2 0 n (unlocked)\n * or CSI ? 2 1 n (locked).\n * Ps = 2 6 -> Report Keyboard status as\n * CSI ? 2 7 ; 1 ; 0 ; 0 n (North American).\n * The last two parameters apply to VT400 & up, and denote key-\n * board ready and LK01 respectively.\n * Ps = 5 3 -> Report Locator status as\n * CSI ? 5 3 n Locator available, if compiled-in, or\n * CSI ? 5 0 n No Locator, if not.\n */\n public deviceStatus(params: number[], collect?: string): void {\n if (!collect) {\n switch (params[0]) {\n case 5:\n // status report\n this._onData.fire(`${C0.ESC}[0n`);\n break;\n case 6:\n // cursor position\n const y = this._terminal.buffer.y + 1;\n const x = this._terminal.buffer.x + 1;\n this._onData.fire(`${C0.ESC}[${y};${x}R`);\n break;\n }\n } else if (collect === '?') {\n // modern xterm doesnt seem to\n // respond to any of these except ?6, 6, and 5\n switch (params[0]) {\n case 6:\n // cursor position\n const y = this._terminal.buffer.y + 1;\n const x = this._terminal.buffer.x + 1;\n this._onData.fire(`${C0.ESC}[?${y};${x}R`);\n break;\n case 15:\n // no printer\n // this.handler(C0.ESC + '[?11n');\n break;\n case 25:\n // dont support user defined keys\n // this.handler(C0.ESC + '[?21n');\n break;\n case 26:\n // north american keyboard\n // this.handler(C0.ESC + '[?27;1;0;0n');\n break;\n case 53:\n // no dec locator/mouse\n // this.handler(C0.ESC + '[?50n');\n break;\n }\n }\n }\n\n /**\n * CSI ! p Soft terminal reset (DECSTR).\n * http://vt100.net/docs/vt220-rm/table4-10.html\n */\n public softReset(params: number[], collect?: string): void {\n if (collect === '!') {\n this._terminal.cursorHidden = false;\n this._terminal.insertMode = false;\n this._terminal.originMode = false;\n this._terminal.wraparoundMode = true; // defaults: xterm - true, vt100 - false\n this._terminal.applicationKeypad = false; // ?\n if (this._terminal.viewport) {\n this._terminal.viewport.syncScrollArea();\n }\n this._terminal.applicationCursor = false;\n this._terminal.buffer.scrollTop = 0;\n this._terminal.buffer.scrollBottom = this._terminal.rows - 1;\n this._terminal.curAttrData = DEFAULT_ATTR_DATA;\n this._terminal.buffer.x = this._terminal.buffer.y = 0; // ?\n this._terminal.charset = null;\n this._terminal.glevel = 0; // ??\n this._terminal.charsets = [null]; // ??\n }\n }\n\n /**\n * CSI Ps SP q Set cursor style (DECSCUSR, VT520).\n * Ps = 0 -> blinking block.\n * Ps = 1 -> blinking block (default).\n * Ps = 2 -> steady block.\n * Ps = 3 -> blinking underline.\n * Ps = 4 -> steady underline.\n * Ps = 5 -> blinking bar (xterm).\n * Ps = 6 -> steady bar (xterm).\n */\n public setCursorStyle(params?: number[], collect?: string): void {\n if (collect === ' ') {\n const param = params[0] < 1 ? 1 : params[0];\n switch (param) {\n case 1:\n case 2:\n this._terminal.setOption('cursorStyle', 'block');\n break;\n case 3:\n case 4:\n this._terminal.setOption('cursorStyle', 'underline');\n break;\n case 5:\n case 6:\n this._terminal.setOption('cursorStyle', 'bar');\n break;\n }\n const isBlinking = param % 2 === 1;\n this._terminal.setOption('cursorBlink', isBlinking);\n }\n }\n\n /**\n * CSI Ps ; Ps r\n * Set Scrolling Region [top;bottom] (default = full size of win-\n * dow) (DECSTBM).\n * CSI ? Pm r\n */\n public setScrollRegion(params: number[], collect?: string): void {\n if (collect) {\n return;\n }\n this._terminal.buffer.scrollTop = (params[0] || 1) - 1;\n this._terminal.buffer.scrollBottom = (params[1] && params[1] <= this._terminal.rows ? params[1] : this._terminal.rows) - 1;\n this._terminal.buffer.x = 0;\n this._terminal.buffer.y = 0;\n }\n\n\n /**\n * CSI s\n * ESC 7\n * Save cursor (ANSI.SYS).\n */\n public saveCursor(params: number[]): void {\n this._terminal.buffer.savedX = this._terminal.buffer.x;\n this._terminal.buffer.savedY = this._terminal.buffer.y;\n this._terminal.buffer.savedCurAttrData.fg = this._terminal.curAttrData.fg;\n this._terminal.buffer.savedCurAttrData.bg = this._terminal.curAttrData.bg;\n }\n\n\n /**\n * CSI u\n * ESC 8\n * Restore cursor (ANSI.SYS).\n */\n public restoreCursor(params: number[]): void {\n this._terminal.buffer.x = this._terminal.buffer.savedX || 0;\n this._terminal.buffer.y = this._terminal.buffer.savedY || 0;\n this._terminal.curAttrData.fg = this._terminal.buffer.savedCurAttrData.fg;\n this._terminal.curAttrData.bg = this._terminal.buffer.savedCurAttrData.bg;\n }\n\n\n /**\n * OSC 0; <data> ST (set icon name + window title)\n * OSC 2; <data> ST (set window title)\n * Proxy to set window title. Icon name is not supported.\n */\n public setTitle(data: string): void {\n this._terminal.handleTitle(data);\n }\n\n /**\n * ESC E\n * C1.NEL\n * DEC mnemonic: NEL (https://vt100.net/docs/vt510-rm/NEL)\n * Moves cursor to first position on next line.\n */\n public nextLine(): void {\n this._terminal.buffer.x = 0;\n this.index();\n }\n\n /**\n * ESC =\n * DEC mnemonic: DECKPAM (https://vt100.net/docs/vt510-rm/DECKPAM.html)\n * Enables the numeric keypad to send application sequences to the host.\n */\n public keypadApplicationMode(): void {\n this._terminal.log('Serial port requested application keypad.');\n this._terminal.applicationKeypad = true;\n if (this._terminal.viewport) {\n this._terminal.viewport.syncScrollArea();\n }\n }\n\n /**\n * ESC >\n * DEC mnemonic: DECKPNM (https://vt100.net/docs/vt510-rm/DECKPNM.html)\n * Enables the keypad to send numeric characters to the host.\n */\n public keypadNumericMode(): void {\n this._terminal.log('Switching back to normal keypad.');\n this._terminal.applicationKeypad = false;\n if (this._terminal.viewport) {\n this._terminal.viewport.syncScrollArea();\n }\n }\n\n /**\n * ESC % @\n * ESC % G\n * Select default character set. UTF-8 is not supported (string are unicode anyways)\n * therefore ESC % G does the same.\n */\n public selectDefaultCharset(): void {\n this._terminal.setgLevel(0);\n this._terminal.setgCharset(0, DEFAULT_CHARSET); // US (default)\n }\n\n /**\n * ESC ( C\n * Designate G0 Character Set, VT100, ISO 2022.\n * ESC ) C\n * Designate G1 Character Set (ISO 2022, VT100).\n * ESC * C\n * Designate G2 Character Set (ISO 2022, VT220).\n * ESC + C\n * Designate G3 Character Set (ISO 2022, VT220).\n * ESC - C\n * Designate G1 Character Set (VT300).\n * ESC . C\n * Designate G2 Character Set (VT300).\n * ESC / C\n * Designate G3 Character Set (VT300). C = A -> ISO Latin-1 Supplemental. - Supported?\n */\n public selectCharset(collectAndFlag: string): void {\n if (collectAndFlag.length !== 2) {\n this.selectDefaultCharset();\n return;\n }\n if (collectAndFlag[0] === '/') {\n return; // TODO: Is this supported?\n }\n this._terminal.setgCharset(GLEVEL[collectAndFlag[0]], CHARSETS[collectAndFlag[1]] || DEFAULT_CHARSET);\n return;\n }\n\n /**\n * ESC D\n * C1.IND\n * DEC mnemonic: IND (https://vt100.net/docs/vt510-rm/IND.html)\n * Moves the cursor down one line in the same column.\n */\n public index(): void {\n this._terminal.index(); // TODO: save to move from terminal?\n }\n\n /**\n * ESC H\n * C1.HTS\n * DEC mnemonic: HTS (https://vt100.net/docs/vt510-rm/HTS.html)\n * Sets a horizontal tab stop at the column position indicated by\n * the value of the active column when the terminal receives an HTS.\n */\n public tabSet(): void {\n this._terminal.tabSet(); // TODO: save to move from terminal?\n }\n\n /**\n * ESC M\n * C1.RI\n * DEC mnemonic: HTS\n * Moves the cursor up one line in the same column. If the cursor is at the top margin,\n * the page scrolls down.\n */\n public reverseIndex(): void {\n this._terminal.reverseIndex(); // TODO: save to move from terminal?\n }\n\n /**\n * ESC c\n * DEC mnemonic: RIS (https://vt100.net/docs/vt510-rm/RIS.html)\n * Reset to initial state.\n */\n public reset(): void {\n this._parser.reset();\n this._terminal.reset(); // TODO: save to move from terminal?\n }\n\n /**\n * ESC n\n * ESC o\n * ESC |\n * ESC }\n * ESC ~\n * DEC mnemonic: LS (https://vt100.net/docs/vt510-rm/LS.html)\n * When you use a locking shift, the character set remains in GL or GR until\n * you use another locking shift. (partly supported)\n */\n public setgLevel(level: number): void {\n this._terminal.setgLevel(level); // TODO: save to move from terminal?\n }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ParserState, ParserAction, IParsingState, IDcsHandler, IEscapeSequenceParser } from './Types';\nimport { IDisposable } from 'xterm';\nimport { Disposable } from './common/Lifecycle';\nimport { utf32ToString } from './core/input/TextDecoder';\n\ninterface IHandlerCollection<T> {\n [key: string]: T[];\n}\n\ntype CsiHandler = (params: number[], collect: string) => boolean | void;\ntype OscHandler = (data: string) => boolean | void;\n\n/**\n * Returns an array filled with numbers between the low and high parameters (right exclusive).\n * @param low The low number.\n * @param high The high number.\n */\nfunction r(low: number, high: number): number[] {\n let c = high - low;\n const arr = new Array(c);\n while (c--) {\n arr[c] = --high;\n }\n return arr;\n}\n\n/**\n * Transition table for EscapeSequenceParser.\n * NOTE: data in the underlying table is packed like this:\n * currentState << 8 | characterCode --> action << 4 | nextState\n */\nexport class TransitionTable {\n public table: Uint8Array | number[];\n\n constructor(length: number) {\n this.table = (typeof Uint8Array === 'undefined')\n ? new Array(length)\n : new Uint8Array(length);\n }\n\n /**\n * Add a transition to the transition table.\n * @param code input character code\n * @param state current parser state\n * @param action parser action to be done\n * @param next next parser state\n */\n add(code: number, state: number, action: number | null, next: number | null): void {\n this.table[state << 8 | code] = ((action | 0) << 4) | ((next === undefined) ? state : next);\n }\n\n /**\n * Add transitions for multiple input character codes.\n * @param codes input character code array\n * @param state current parser state\n * @param action parser action to be done\n * @param next next parser state\n */\n addMany(codes: number[], state: number, action: number | null, next: number | null): void {\n for (let i = 0; i < codes.length; i++) {\n this.add(codes[i], state, action, next);\n }\n }\n}\n\n\n/**\n * Default definitions for the VT500_TRANSITION_TABLE.\n */\nconst PRINTABLES = r(0x20, 0x7f);\nconst EXECUTABLES = r(0x00, 0x18);\nEXECUTABLES.push(0x19);\nEXECUTABLES.push.apply(EXECUTABLES, r(0x1c, 0x20));\n// Pseudo-character placeholder for printable non-ascii characters.\nconst NON_ASCII_PRINTABLE = 0xA0;\n\n/**\n * VT500 compatible transition table.\n * Taken from https://vt100.net/emu/dec_ansi_parser.\n */\nexport const VT500_TRANSITION_TABLE = (function (): TransitionTable {\n const table: TransitionTable = new TransitionTable(4095);\n\n const states: number[] = r(ParserState.GROUND, ParserState.DCS_PASSTHROUGH + 1);\n let state: any;\n\n // table with default transition\n for (state in states) {\n // NOTE: table lookup is capped at 0xa0 in parse to keep the table small\n for (let code = 0; code <= NON_ASCII_PRINTABLE; ++code) {\n table.add(code, state, ParserAction.ERROR, ParserState.GROUND);\n }\n }\n // printables\n table.addMany(PRINTABLES, ParserState.GROUND, ParserAction.PRINT, ParserState.GROUND);\n // global anywhere rules\n for (state in states) {\n table.addMany([0x18, 0x1a, 0x99, 0x9a], state, ParserAction.EXECUTE, ParserState.GROUND);\n table.addMany(r(0x80, 0x90), state, ParserAction.EXECUTE, ParserState.GROUND);\n table.addMany(r(0x90, 0x98), state, ParserAction.EXECUTE, ParserState.GROUND);\n table.add(0x9c, state, ParserAction.IGNORE, ParserState.GROUND); // ST as terminator\n table.add(0x1b, state, ParserAction.CLEAR, ParserState.ESCAPE); // ESC\n table.add(0x9d, state, ParserAction.OSC_START, ParserState.OSC_STRING); // OSC\n table.addMany([0x98, 0x9e, 0x9f], state, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);\n table.add(0x9b, state, ParserAction.CLEAR, ParserState.CSI_ENTRY); // CSI\n table.add(0x90, state, ParserAction.CLEAR, ParserState.DCS_ENTRY); // DCS\n }\n // rules for executables and 7f\n table.addMany(EXECUTABLES, ParserState.GROUND, ParserAction.EXECUTE, ParserState.GROUND);\n table.addMany(EXECUTABLES, ParserState.ESCAPE, ParserAction.EXECUTE, ParserState.ESCAPE);\n table.add(0x7f, ParserState.ESCAPE, ParserAction.IGNORE, ParserState.ESCAPE);\n table.addMany(EXECUTABLES, ParserState.OSC_STRING, ParserAction.IGNORE, ParserState.OSC_STRING);\n table.addMany(EXECUTABLES, ParserState.CSI_ENTRY, ParserAction.EXECUTE, ParserState.CSI_ENTRY);\n table.add(0x7f, ParserState.CSI_ENTRY, ParserAction.IGNORE, ParserState.CSI_ENTRY);\n table.addMany(EXECUTABLES, ParserState.CSI_PARAM, ParserAction.EXECUTE, ParserState.CSI_PARAM);\n table.add(0x7f, ParserState.CSI_PARAM, ParserAction.IGNORE, ParserState.CSI_PARAM);\n table.addMany(EXECUTABLES, ParserState.CSI_IGNORE, ParserAction.EXECUTE, ParserState.CSI_IGNORE);\n table.addMany(EXECUTABLES, ParserState.CSI_INTERMEDIATE, ParserAction.EXECUTE, ParserState.CSI_INTERMEDIATE);\n table.add(0x7f, ParserState.CSI_INTERMEDIATE, ParserAction.IGNORE, ParserState.CSI_INTERMEDIATE);\n table.addMany(EXECUTABLES, ParserState.ESCAPE_INTERMEDIATE, ParserAction.EXECUTE, ParserState.ESCAPE_INTERMEDIATE);\n table.add(0x7f, ParserState.ESCAPE_INTERMEDIATE, ParserAction.IGNORE, ParserState.ESCAPE_INTERMEDIATE);\n // osc\n table.add(0x5d, ParserState.ESCAPE, ParserAction.OSC_START, ParserState.OSC_STRING);\n table.addMany(PRINTABLES, ParserState.OSC_STRING, ParserAction.OSC_PUT, ParserState.OSC_STRING);\n table.add(0x7f, ParserState.OSC_STRING, ParserAction.OSC_PUT, ParserState.OSC_STRING);\n table.addMany([0x9c, 0x1b, 0x18, 0x1a, 0x07], ParserState.OSC_STRING, ParserAction.OSC_END, ParserState.GROUND);\n table.addMany(r(0x1c, 0x20), ParserState.OSC_STRING, ParserAction.IGNORE, ParserState.OSC_STRING);\n // sos/pm/apc does nothing\n table.addMany([0x58, 0x5e, 0x5f], ParserState.ESCAPE, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);\n table.addMany(PRINTABLES, ParserState.SOS_PM_APC_STRING, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);\n table.addMany(EXECUTABLES, ParserState.SOS_PM_APC_STRING, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);\n table.add(0x9c, ParserState.SOS_PM_APC_STRING, ParserAction.IGNORE, ParserState.GROUND);\n table.add(0x7f, ParserState.SOS_PM_APC_STRING, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);\n // csi entries\n table.add(0x5b, ParserState.ESCAPE, ParserAction.CLEAR, ParserState.CSI_ENTRY);\n table.addMany(r(0x40, 0x7f), ParserState.CSI_ENTRY, ParserAction.CSI_DISPATCH, ParserState.GROUND);\n table.addMany(r(0x30, 0x3a), ParserState.CSI_ENTRY, ParserAction.PARAM, ParserState.CSI_PARAM);\n table.add(0x3b, ParserState.CSI_ENTRY, ParserAction.PARAM, ParserState.CSI_PARAM);\n table.addMany([0x3c, 0x3d, 0x3e, 0x3f], ParserState.CSI_ENTRY, ParserAction.COLLECT, ParserState.CSI_PARAM);\n table.addMany(r(0x30, 0x3a), ParserState.CSI_PARAM, ParserAction.PARAM, ParserState.CSI_PARAM);\n table.add(0x3b, ParserState.CSI_PARAM, ParserAction.PARAM, ParserState.CSI_PARAM);\n table.addMany(r(0x40, 0x7f), ParserState.CSI_PARAM, ParserAction.CSI_DISPATCH, ParserState.GROUND);\n table.addMany([0x3a, 0x3c, 0x3d, 0x3e, 0x3f], ParserState.CSI_PARAM, ParserAction.IGNORE, ParserState.CSI_IGNORE);\n table.addMany(r(0x20, 0x40), ParserState.CSI_IGNORE, ParserAction.IGNORE, ParserState.CSI_IGNORE);\n table.add(0x7f, ParserState.CSI_IGNORE, ParserAction.IGNORE, ParserState.CSI_IGNORE);\n table.addMany(r(0x40, 0x7f), ParserState.CSI_IGNORE, ParserAction.IGNORE, ParserState.GROUND);\n table.add(0x3a, ParserState.CSI_ENTRY, ParserAction.IGNORE, ParserState.CSI_IGNORE);\n table.addMany(r(0x20, 0x30), ParserState.CSI_ENTRY, ParserAction.COLLECT, ParserState.CSI_INTERMEDIATE);\n table.addMany(r(0x20, 0x30), ParserState.CSI_INTERMEDIATE, ParserAction.COLLECT, ParserState.CSI_INTERMEDIATE);\n table.addMany(r(0x30, 0x40), ParserState.CSI_INTERMEDIATE, ParserAction.IGNORE, ParserState.CSI_IGNORE);\n table.addMany(r(0x40, 0x7f), ParserState.CSI_INTERMEDIATE, ParserAction.CSI_DISPATCH, ParserState.GROUND);\n table.addMany(r(0x20, 0x30), ParserState.CSI_PARAM, ParserAction.COLLECT, ParserState.CSI_INTERMEDIATE);\n // esc_intermediate\n table.addMany(r(0x20, 0x30), ParserState.ESCAPE, ParserAction.COLLECT, ParserState.ESCAPE_INTERMEDIATE);\n table.addMany(r(0x20, 0x30), ParserState.ESCAPE_INTERMEDIATE, ParserAction.COLLECT, ParserState.ESCAPE_INTERMEDIATE);\n table.addMany(r(0x30, 0x7f), ParserState.ESCAPE_INTERMEDIATE, ParserAction.ESC_DISPATCH, ParserState.GROUND);\n table.addMany(r(0x30, 0x50), ParserState.ESCAPE, ParserAction.ESC_DISPATCH, ParserState.GROUND);\n table.addMany(r(0x51, 0x58), ParserState.ESCAPE, ParserAction.ESC_DISPATCH, ParserState.GROUND);\n table.addMany([0x59, 0x5a, 0x5c], ParserState.ESCAPE, ParserAction.ESC_DISPATCH, ParserState.GROUND);\n table.addMany(r(0x60, 0x7f), ParserState.ESCAPE, ParserAction.ESC_DISPATCH, ParserState.GROUND);\n // dcs entry\n table.add(0x50, ParserState.ESCAPE, ParserAction.CLEAR, ParserState.DCS_ENTRY);\n table.addMany(EXECUTABLES, ParserState.DCS_ENTRY, ParserAction.IGNORE, ParserState.DCS_ENTRY);\n table.add(0x7f, ParserState.DCS_ENTRY, ParserAction.IGNORE, ParserState.DCS_ENTRY);\n table.addMany(r(0x1c, 0x20), ParserState.DCS_ENTRY, ParserAction.IGNORE, ParserState.DCS_ENTRY);\n table.addMany(r(0x20, 0x30), ParserState.DCS_ENTRY, ParserAction.COLLECT, ParserState.DCS_INTERMEDIATE);\n table.add(0x3a, ParserState.DCS_ENTRY, ParserAction.IGNORE, ParserState.DCS_IGNORE);\n table.addMany(r(0x30, 0x3a), ParserState.DCS_ENTRY, ParserAction.PARAM, ParserState.DCS_PARAM);\n table.add(0x3b, ParserState.DCS_ENTRY, ParserAction.PARAM, ParserState.DCS_PARAM);\n table.addMany([0x3c, 0x3d, 0x3e, 0x3f], ParserState.DCS_ENTRY, ParserAction.COLLECT, ParserState.DCS_PARAM);\n table.addMany(EXECUTABLES, ParserState.DCS_IGNORE, ParserAction.IGNORE, ParserState.DCS_IGNORE);\n table.addMany(r(0x20, 0x80), ParserState.DCS_IGNORE, ParserAction.IGNORE, ParserState.DCS_IGNORE);\n table.addMany(r(0x1c, 0x20), ParserState.DCS_IGNORE, ParserAction.IGNORE, ParserState.DCS_IGNORE);\n table.addMany(EXECUTABLES, ParserState.DCS_PARAM, ParserAction.IGNORE, ParserState.DCS_PARAM);\n table.add(0x7f, ParserState.DCS_PARAM, ParserAction.IGNORE, ParserState.DCS_PARAM);\n table.addMany(r(0x1c, 0x20), ParserState.DCS_PARAM, ParserAction.IGNORE, ParserState.DCS_PARAM);\n table.addMany(r(0x30, 0x3a), ParserState.DCS_PARAM, ParserAction.PARAM, ParserState.DCS_PARAM);\n table.add(0x3b, ParserState.DCS_PARAM, ParserAction.PARAM, ParserState.DCS_PARAM);\n table.addMany([0x3a, 0x3c, 0x3d, 0x3e, 0x3f], ParserState.DCS_PARAM, ParserAction.IGNORE, ParserState.DCS_IGNORE);\n table.addMany(r(0x20, 0x30), ParserState.DCS_PARAM, ParserAction.COLLECT, ParserState.DCS_INTERMEDIATE);\n table.addMany(EXECUTABLES, ParserState.DCS_INTERMEDIATE, ParserAction.IGNORE, ParserState.DCS_INTERMEDIATE);\n table.add(0x7f, ParserState.DCS_INTERMEDIATE, ParserAction.IGNORE, ParserState.DCS_INTERMEDIATE);\n table.addMany(r(0x1c, 0x20), ParserState.DCS_INTERMEDIATE, ParserAction.IGNORE, ParserState.DCS_INTERMEDIATE);\n table.addMany(r(0x20, 0x30), ParserState.DCS_INTERMEDIATE, ParserAction.COLLECT, ParserState.DCS_INTERMEDIATE);\n table.addMany(r(0x30, 0x40), ParserState.DCS_INTERMEDIATE, ParserAction.IGNORE, ParserState.DCS_IGNORE);\n table.addMany(r(0x40, 0x7f), ParserState.DCS_INTERMEDIATE, ParserAction.DCS_HOOK, ParserState.DCS_PASSTHROUGH);\n table.addMany(r(0x40, 0x7f), ParserState.DCS_PARAM, ParserAction.DCS_HOOK, ParserState.DCS_PASSTHROUGH);\n table.addMany(r(0x40, 0x7f), ParserState.DCS_ENTRY, ParserAction.DCS_HOOK, ParserState.DCS_PASSTHROUGH);\n table.addMany(EXECUTABLES, ParserState.DCS_PASSTHROUGH, ParserAction.DCS_PUT, ParserState.DCS_PASSTHROUGH);\n table.addMany(PRINTABLES, ParserState.DCS_PASSTHROUGH, ParserAction.DCS_PUT, ParserState.DCS_PASSTHROUGH);\n table.add(0x7f, ParserState.DCS_PASSTHROUGH, ParserAction.IGNORE, ParserState.DCS_PASSTHROUGH);\n table.addMany([0x1b, 0x9c], ParserState.DCS_PASSTHROUGH, ParserAction.DCS_UNHOOK, ParserState.GROUND);\n table.add(NON_ASCII_PRINTABLE, ParserState.OSC_STRING, ParserAction.OSC_PUT, ParserState.OSC_STRING);\n return table;\n})();\n\n/**\n * Dummy DCS handler as default fallback.\n */\nclass DcsDummy implements IDcsHandler {\n hook(collect: string, params: number[], flag: number): void { }\n put(data: Uint32Array, start: number, end: number): void { }\n unhook(): void { }\n}\n\n/**\n * EscapeSequenceParser.\n * This class implements the ANSI/DEC compatible parser described by\n * Paul Williams (https://vt100.net/emu/dec_ansi_parser).\n * To implement custom ANSI compliant escape sequences it is not needed to\n * alter this parser, instead consider registering a custom handler.\n * For non ANSI compliant sequences change the transition table with\n * the optional `transitions` contructor argument and\n * reimplement the `parse` method.\n * NOTE: The parameter element notation is currently not supported.\n * TODO: implement error recovery hook via error handler return values\n */\nexport class EscapeSequenceParser extends Disposable implements IEscapeSequenceParser {\n public initialState: number;\n public currentState: number;\n\n // buffers over several parse calls\n protected _osc: string;\n protected _params: number[];\n protected _collect: string;\n\n // handler lookup containers\n protected _printHandler: (data: Uint32Array, start: number, end: number) => void;\n protected _executeHandlers: any;\n protected _csiHandlers: IHandlerCollection<CsiHandler>;\n protected _escHandlers: any;\n protected _oscHandlers: IHandlerCollection<OscHandler>;\n protected _dcsHandlers: any;\n protected _activeDcsHandler: IDcsHandler | null;\n protected _errorHandler: (state: IParsingState) => IParsingState;\n\n // fallback handlers\n protected _printHandlerFb: (data: Uint32Array, start: number, end: number) => void;\n protected _executeHandlerFb: (code: number) => void;\n protected _csiHandlerFb: (collect: string, params: number[], flag: number) => void;\n protected _escHandlerFb: (collect: string, flag: number) => void;\n protected _oscHandlerFb: (identifier: number, data: string) => void;\n protected _dcsHandlerFb: IDcsHandler;\n protected _errorHandlerFb: (state: IParsingState) => IParsingState;\n\n constructor(readonly TRANSITIONS: TransitionTable = VT500_TRANSITION_TABLE) {\n super();\n\n this.initialState = ParserState.GROUND;\n this.currentState = this.initialState;\n this._osc = '';\n this._params = [0];\n this._collect = '';\n\n // set default fallback handlers and handler lookup containers\n this._printHandlerFb = (data, start, end): void => { };\n this._executeHandlerFb = (code: number): void => { };\n this._csiHandlerFb = (collect: string, params: number[], flag: number): void => { };\n this._escHandlerFb = (collect: string, flag: number): void => { };\n this._oscHandlerFb = (identifier: number, data: string): void => { };\n this._dcsHandlerFb = new DcsDummy();\n this._errorHandlerFb = (state: IParsingState): IParsingState => state;\n this._printHandler = this._printHandlerFb;\n this._executeHandlers = Object.create(null);\n this._csiHandlers = Object.create(null);\n this._escHandlers = Object.create(null);\n this._oscHandlers = Object.create(null);\n this._dcsHandlers = Object.create(null);\n this._activeDcsHandler = null;\n this._errorHandler = this._errorHandlerFb;\n\n // swallow 7bit ST (ESC+\\)\n this.setEscHandler('\\\\', () => {});\n }\n\n public dispose(): void {\n this._printHandlerFb = null;\n this._executeHandlerFb = null;\n this._csiHandlerFb = null;\n this._escHandlerFb = null;\n this._oscHandlerFb = null;\n this._dcsHandlerFb = null;\n this._errorHandlerFb = null;\n this._printHandler = null;\n this._executeHandlers = null;\n this._escHandlers = null;\n this._csiHandlers = null;\n this._oscHandlers = null;\n this._dcsHandlers = null;\n this._activeDcsHandler = null;\n this._errorHandler = null;\n }\n\n setPrintHandler(callback: (data: Uint32Array, start: number, end: number) => void): void {\n this._printHandler = callback;\n }\n clearPrintHandler(): void {\n this._printHandler = this._printHandlerFb;\n }\n\n setExecuteHandler(flag: string, callback: () => void): void {\n this._executeHandlers[flag.charCodeAt(0)] = callback;\n }\n clearExecuteHandler(flag: string): void {\n if (this._executeHandlers[flag.charCodeAt(0)]) delete this._executeHandlers[flag.charCodeAt(0)];\n }\n setExecuteHandlerFallback(callback: (code: number) => void): void {\n this._executeHandlerFb = callback;\n }\n\n addCsiHandler(flag: string, callback: CsiHandler): IDisposable {\n const index = flag.charCodeAt(0);\n if (this._csiHandlers[index] === undefined) {\n this._csiHandlers[index] = [];\n }\n const handlerList = this._csiHandlers[index];\n handlerList.push(callback);\n return {\n dispose: () => {\n const handlerIndex = handlerList.indexOf(callback);\n if (handlerIndex !== -1) {\n handlerList.splice(handlerIndex, 1);\n }\n }\n };\n }\n setCsiHandler(flag: string, callback: (params: number[], collect: string) => void): void {\n this._csiHandlers[flag.charCodeAt(0)] = [callback];\n }\n clearCsiHandler(flag: string): void {\n if (this._csiHandlers[flag.charCodeAt(0)]) delete this._csiHandlers[flag.charCodeAt(0)];\n }\n setCsiHandlerFallback(callback: (collect: string, params: number[], flag: number) => void): void {\n this._csiHandlerFb = callback;\n }\n\n setEscHandler(collectAndFlag: string, callback: () => void): void {\n this._escHandlers[collectAndFlag] = callback;\n }\n clearEscHandler(collectAndFlag: string): void {\n if (this._escHandlers[collectAndFlag]) delete this._escHandlers[collectAndFlag];\n }\n setEscHandlerFallback(callback: (collect: string, flag: number) => void): void {\n this._escHandlerFb = callback;\n }\n\n addOscHandler(ident: number, callback: (data: string) => boolean): IDisposable {\n if (this._oscHandlers[ident] === undefined) {\n this._oscHandlers[ident] = [];\n }\n const handlerList = this._oscHandlers[ident];\n handlerList.push(callback);\n return {\n dispose: () => {\n const handlerIndex = handlerList.indexOf(callback);\n if (handlerIndex !== -1) {\n handlerList.splice(handlerIndex, 1);\n }\n }\n };\n }\n setOscHandler(ident: number, callback: (data: string) => void): void {\n this._oscHandlers[ident] = [callback];\n }\n clearOscHandler(ident: number): void {\n if (this._oscHandlers[ident]) delete this._oscHandlers[ident];\n }\n setOscHandlerFallback(callback: (identifier: number, data: string) => void): void {\n this._oscHandlerFb = callback;\n }\n\n setDcsHandler(collectAndFlag: string, handler: IDcsHandler): void {\n this._dcsHandlers[collectAndFlag] = handler;\n }\n clearDcsHandler(collectAndFlag: string): void {\n if (this._dcsHandlers[collectAndFlag]) delete this._dcsHandlers[collectAndFlag];\n }\n setDcsHandlerFallback(handler: IDcsHandler): void {\n this._dcsHandlerFb = handler;\n }\n\n setErrorHandler(callback: (state: IParsingState) => IParsingState): void {\n this._errorHandler = callback;\n }\n clearErrorHandler(): void {\n this._errorHandler = this._errorHandlerFb;\n }\n\n reset(): void {\n this.currentState = this.initialState;\n this._osc = '';\n this._params = [0];\n this._collect = '';\n this._activeDcsHandler = null;\n }\n\n parse(data: Uint32Array, length: number): void {\n let code = 0;\n let transition = 0;\n let error = false;\n let currentState = this.currentState;\n let print = -1;\n let dcs = -1;\n let osc = this._osc;\n let collect = this._collect;\n let params = this._params;\n const table: Uint8Array | number[] = this.TRANSITIONS.table;\n let dcsHandler: IDcsHandler | null = this._activeDcsHandler;\n let callback: Function | null = null;\n\n // process input string\n for (let i = 0; i < length; ++i) {\n code = data[i];\n\n // shortcut for most chars (print action)\n if (currentState === ParserState.GROUND && code > 0x1f && code < 0x80) {\n print = (~print) ? print : i;\n do i++;\n while (i < length && data[i] > 0x1f && data[i] < 0x80);\n i--;\n continue;\n }\n\n // shortcut for CSI params\n if (currentState === ParserState.CSI_PARAM && (code > 0x2f && code < 0x39)) {\n params[params.length - 1] = params[params.length - 1] * 10 + code - 48;\n continue;\n }\n\n // normal transition & action lookup\n transition = table[currentState << 8 | (code < 0xa0 ? code : NON_ASCII_PRINTABLE)];\n switch (transition >> 4) {\n case ParserAction.PRINT:\n print = (~print) ? print : i;\n break;\n case ParserAction.EXECUTE:\n if (~print) {\n this._printHandler(data, print, i);\n print = -1;\n }\n callback = this._executeHandlers[code];\n if (callback) callback();\n else this._executeHandlerFb(code);\n break;\n case ParserAction.IGNORE:\n // handle leftover print or dcs chars\n if (~print) {\n this._printHandler(data, print, i);\n print = -1;\n } else if (~dcs) {\n dcsHandler.put(data, dcs, i);\n dcs = -1;\n }\n break;\n case ParserAction.ERROR:\n // chars higher than 0x9f are handled by this action\n // to keep the transition table small\n if (code > 0x9f) {\n switch (currentState) {\n case ParserState.GROUND:\n print = (~print) ? print : i;\n break;\n case ParserState.CSI_IGNORE:\n transition |= ParserState.CSI_IGNORE;\n break;\n case ParserState.DCS_IGNORE:\n transition |= ParserState.DCS_IGNORE;\n break;\n case ParserState.DCS_PASSTHROUGH:\n dcs = (~dcs) ? dcs : i;\n transition |= ParserState.DCS_PASSTHROUGH;\n break;\n default:\n error = true;\n }\n } else {\n error = true;\n }\n // if we end up here a real error happened\n if (error) {\n const inject: IParsingState = this._errorHandler(\n {\n position: i,\n code,\n currentState,\n print,\n dcs,\n osc,\n collect,\n params,\n abort: false\n });\n if (inject.abort) return;\n // TODO: inject return values\n error = false;\n }\n break;\n case ParserAction.CSI_DISPATCH:\n // Trigger CSI Handler\n const handlers = this._csiHandlers[code];\n let j = handlers ? handlers.length - 1 : -1;\n for (; j >= 0; j--) {\n // undefined or true means success and to stop bubbling\n if (handlers[j](params, collect) !== false) {\n break;\n }\n }\n if (j < 0) {\n this._csiHandlerFb(collect, params, code);\n }\n break;\n case ParserAction.PARAM:\n if (code === 0x3b) params.push(0);\n else params[params.length - 1] = params[params.length - 1] * 10 + code - 48;\n break;\n case ParserAction.COLLECT:\n collect += String.fromCharCode(code);\n break;\n case ParserAction.ESC_DISPATCH:\n callback = this._escHandlers[collect + String.fromCharCode(code)];\n if (callback) callback(collect, code);\n else this._escHandlerFb(collect, code);\n break;\n case ParserAction.CLEAR:\n if (~print) {\n this._printHandler(data, print, i);\n print = -1;\n }\n osc = '';\n params = [0];\n collect = '';\n dcs = -1;\n break;\n case ParserAction.DCS_HOOK:\n dcsHandler = this._dcsHandlers[collect + String.fromCharCode(code)];\n if (!dcsHandler) dcsHandler = this._dcsHandlerFb;\n dcsHandler.hook(collect, params, code);\n break;\n case ParserAction.DCS_PUT:\n dcs = (~dcs) ? dcs : i;\n break;\n case ParserAction.DCS_UNHOOK:\n if (dcsHandler) {\n if (~dcs) dcsHandler.put(data, dcs, i);\n dcsHandler.unhook();\n dcsHandler = null;\n }\n if (code === 0x1b) transition |= ParserState.ESCAPE;\n osc = '';\n params = [0];\n collect = '';\n dcs = -1;\n break;\n case ParserAction.OSC_START:\n if (~print) {\n this._printHandler(data, print, i);\n print = -1;\n }\n osc = '';\n break;\n case ParserAction.OSC_PUT:\n for (let j = i + 1; ; j++) {\n if (j >= length\n || (code = data[j]) < 0x20\n || (code > 0x7f && code <= 0x9f)) {\n osc += utf32ToString(data, i, j);\n i = j - 1;\n break;\n }\n }\n break;\n case ParserAction.OSC_END:\n if (osc && code !== 0x18 && code !== 0x1a) {\n // NOTE: OSC subparsing is not part of the original parser\n // we do basic identifier parsing here to offer a jump table for OSC as well\n const idx = osc.indexOf(';');\n if (idx === -1) {\n this._oscHandlerFb(-1, osc); // this is an error (malformed OSC)\n } else {\n // Note: NaN is not handled here\n // either catch it with the fallback handler\n // or with an explicit NaN OSC handler\n const identifier = parseInt(osc.substring(0, idx));\n const content = osc.substring(idx + 1);\n // Trigger OSC Handler\n const handlers = this._oscHandlers[identifier];\n let j = handlers ? handlers.length - 1 : -1;\n for (; j >= 0; j--) {\n // undefined or true means success and to stop bubbling\n if (handlers[j](content) !== false) {\n break;\n }\n }\n if (j < 0) {\n this._oscHandlerFb(identifier, content);\n }\n }\n }\n if (code === 0x1b) transition |= ParserState.ESCAPE;\n osc = '';\n params = [0];\n collect = '';\n dcs = -1;\n break;\n }\n currentState = transition & 15;\n }\n\n // push leftover pushable buffers to terminal\n if (currentState === ParserState.GROUND && ~print) {\n this._printHandler(data, print, length);\n } else if (currentState === ParserState.DCS_PASSTHROUGH && ~dcs && dcsHandler) {\n dcsHandler.put(data, dcs, length);\n }\n\n // save non pushable buffers\n this._osc = osc;\n this._collect = collect;\n this._params = params;\n\n // save active dcs handler reference\n this._activeDcsHandler = dcsHandler;\n\n // save state\n this.currentState = currentState;\n }\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ITerminal } from './Types';\n\ninterface IPosition {\n start: number;\n end: number;\n}\n\n/**\n * Encapsulates the logic for handling compositionstart, compositionupdate and compositionend\n * events, displaying the in-progress composition to the UI and forwarding the final composition\n * to the handler.\n */\nexport class CompositionHelper {\n /**\n * Whether input composition is currently happening, eg. via a mobile keyboard, speech input or\n * IME. This variable determines whether the compositionText should be displayed on the UI.\n */\n private _isComposing: boolean;\n\n /**\n * The position within the input textarea's value of the current composition.\n */\n private _compositionPosition: IPosition;\n\n /**\n * Whether a composition is in the process of being sent, setting this to false will cancel any\n * in-progress composition.\n */\n private _isSendingComposition: boolean;\n\n /**\n * Creates a new CompositionHelper.\n * @param _textarea The textarea that xterm uses for input.\n * @param _compositionView The element to display the in-progress composition in.\n * @param _terminal The Terminal to forward the finished composition to.\n */\n constructor(\n private _textarea: HTMLTextAreaElement,\n private _compositionView: HTMLElement,\n private _terminal: ITerminal\n ) {\n this._isComposing = false;\n this._isSendingComposition = false;\n this._compositionPosition = { start: null, end: null };\n }\n\n /**\n * Handles the compositionstart event, activating the composition view.\n */\n public compositionstart(): void {\n this._isComposing = true;\n this._compositionPosition.start = this._textarea.value.length;\n this._compositionView.textContent = '';\n this._compositionView.classList.add('active');\n }\n\n /**\n * Handles the compositionupdate event, updating the composition view.\n * @param ev The event.\n */\n public compositionupdate(ev: CompositionEvent): void {\n this._compositionView.textContent = ev.data;\n this.updateCompositionElements();\n setTimeout(() => {\n this._compositionPosition.end = this._textarea.value.length;\n }, 0);\n }\n\n /**\n * Handles the compositionend event, hiding the composition view and sending the composition to\n * the handler.\n */\n public compositionend(): void {\n this._finalizeComposition(true);\n }\n\n /**\n * Handles the keydown event, routing any necessary events to the CompositionHelper functions.\n * @param ev The keydown event.\n * @return Whether the Terminal should continue processing the keydown event.\n */\n public keydown(ev: KeyboardEvent): boolean {\n if (this._isComposing || this._isSendingComposition) {\n if (ev.keyCode === 229) {\n // Continue composing if the keyCode is the \"composition character\"\n return false;\n } else if (ev.keyCode === 16 || ev.keyCode === 17 || ev.keyCode === 18) {\n // Continue composing if the keyCode is a modifier key\n return false;\n }\n // Finish composition immediately. This is mainly here for the case where enter is\n // pressed and the handler needs to be triggered before the command is executed.\n this._finalizeComposition(false);\n }\n\n if (ev.keyCode === 229) {\n // If the \"composition character\" is used but gets to this point it means a non-composition\n // character (eg. numbers and punctuation) was pressed when the IME was active.\n this._handleAnyTextareaChanges();\n return false;\n }\n\n return true;\n }\n\n /**\n * Finalizes the composition, resuming regular input actions. This is called when a composition\n * is ending.\n * @param waitForPropagation Whether to wait for events to propagate before sending\n * the input. This should be false if a non-composition keystroke is entered before the\n * compositionend event is triggered, such as enter, so that the composition is sent before\n * the command is executed.\n */\n private _finalizeComposition(waitForPropagation: boolean): void {\n this._compositionView.classList.remove('active');\n this._isComposing = false;\n this._clearTextareaPosition();\n\n if (!waitForPropagation) {\n // Cancel any delayed composition send requests and send the input immediately.\n this._isSendingComposition = false;\n const input = this._textarea.value.substring(this._compositionPosition.start, this._compositionPosition.end);\n this._terminal.handler(input);\n } else {\n // Make a deep copy of the composition position here as a new compositionstart event may\n // fire before the setTimeout executes.\n const currentCompositionPosition = {\n start: this._compositionPosition.start,\n end: this._compositionPosition.end\n };\n\n // Since composition* events happen before the changes take place in the textarea on most\n // browsers, use a setTimeout with 0ms time to allow the native compositionend event to\n // complete. This ensures the correct character is retrieved.\n // This solution was used because:\n // - The compositionend event's data property is unreliable, at least on Chromium\n // - The last compositionupdate event's data property does not always accurately describe\n // the character, a counter example being Korean where an ending consonsant can move to\n // the following character if the following input is a vowel.\n this._isSendingComposition = true;\n setTimeout(() => {\n // Ensure that the input has not already been sent\n if (this._isSendingComposition) {\n this._isSendingComposition = false;\n let input;\n if (this._isComposing) {\n // Use the end position to get the string if a new composition has started.\n input = this._textarea.value.substring(currentCompositionPosition.start, currentCompositionPosition.end);\n } else {\n // Don't use the end position here in order to pick up any characters after the\n // composition has finished, for example when typing a non-composition character\n // (eg. 2) after a composition character.\n input = this._textarea.value.substring(currentCompositionPosition.start);\n }\n this._terminal.handler(input);\n }\n }, 0);\n }\n }\n\n /**\n * Apply any changes made to the textarea after the current event chain is allowed to complete.\n * This should be called when not currently composing but a keydown event with the \"composition\n * character\" (229) is triggered, in order to allow non-composition text to be entered when an\n * IME is active.\n */\n private _handleAnyTextareaChanges(): void {\n const oldValue = this._textarea.value;\n setTimeout(() => {\n // Ignore if a composition has started since the timeout\n if (!this._isComposing) {\n const newValue = this._textarea.value;\n const diff = newValue.replace(oldValue, '');\n if (diff.length > 0) {\n this._terminal.handler(diff);\n }\n }\n }, 0);\n }\n\n /**\n * Positions the composition view on top of the cursor and the textarea just below it (so the\n * IME helper dialog is positioned correctly).\n * @param dontRecurse Whether to use setTimeout to recursively trigger another update, this is\n * necessary as the IME events across browsers are not consistently triggered.\n */\n public updateCompositionElements(dontRecurse?: boolean): void {\n if (!this._isComposing) {\n return;\n }\n\n if (this._terminal.buffer.isCursorInViewport) {\n const cellHeight = Math.ceil(this._terminal.charMeasure.height * this._terminal.options.lineHeight);\n const cursorTop = this._terminal.buffer.y * cellHeight;\n const cursorLeft = this._terminal.buffer.x * this._terminal.charMeasure.width;\n\n this._compositionView.style.left = cursorLeft + 'px';\n this._compositionView.style.top = cursorTop + 'px';\n this._compositionView.style.height = cellHeight + 'px';\n this._compositionView.style.lineHeight = cellHeight + 'px';\n this._compositionView.style.fontFamily = this._terminal.options.fontFamily;\n this._compositionView.style.fontSize = this._terminal.options.fontSize + 'px';\n // Sync the textarea to the exact position of the composition view so the IME knows where the\n // text is.\n const compositionViewBounds = this._compositionView.getBoundingClientRect();\n this._textarea.style.left = cursorLeft + 'px';\n this._textarea.style.top = cursorTop + 'px';\n this._textarea.style.width = compositionViewBounds.width + 'px';\n this._textarea.style.height = compositionViewBounds.height + 'px';\n this._textarea.style.lineHeight = compositionViewBounds.height + 'px';\n }\n\n if (!dontRecurse) {\n setTimeout(() => this.updateCompositionElements(true), 0);\n }\n }\n\n /**\n * Clears the textarea's position so that the cursor does not blink on IE.\n * @private\n */\n private _clearTextareaPosition(): void {\n this._textarea.style.left = '';\n this._textarea.style.top = '';\n }\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ITerminal, ISelectionManager } from './Types';\n\ninterface IWindow extends Window {\n clipboardData?: {\n getData(format: string): string;\n setData(format: string, data: string): void;\n };\n}\n\ndeclare var window: IWindow;\n\n/**\n * Prepares text to be pasted into the terminal by normalizing the line endings\n * @param text The pasted text that needs processing before inserting into the terminal\n */\nexport function prepareTextForTerminal(text: string): string {\n return text.replace(/\\r?\\n/g, '\\r');\n}\n\n/**\n * Bracket text for paste, if necessary, as per https://cirw.in/blog/bracketed-paste\n * @param text The pasted text to bracket\n */\nexport function bracketTextForPaste(text: string, bracketedPasteMode: boolean): string {\n if (bracketedPasteMode) {\n return '\\x1b[200~' + text + '\\x1b[201~';\n }\n return text;\n}\n\n/**\n * Binds copy functionality to the given terminal.\n * @param ev The original copy event to be handled\n */\nexport function copyHandler(ev: ClipboardEvent, term: ITerminal, selectionManager: ISelectionManager): void {\n if (term.browser.isMSIE) {\n window.clipboardData.setData('Text', selectionManager.selectionText);\n } else {\n ev.clipboardData.setData('text/plain', selectionManager.selectionText);\n }\n\n // Prevent or the original text will be copied.\n ev.preventDefault();\n}\n\n/**\n * Redirect the clipboard's data to the terminal's input handler.\n * @param ev The original paste event to be handled\n * @param term The terminal on which to apply the handled paste event\n */\nexport function pasteHandler(ev: ClipboardEvent, term: ITerminal): void {\n ev.stopPropagation();\n\n let text: string;\n\n const dispatchPaste = function(text: string): void {\n text = prepareTextForTerminal(text);\n text = bracketTextForPaste(text, term.bracketedPasteMode);\n term.handler(text);\n term.textarea.value = '';\n term.emit('paste', text);\n term.cancel(ev);\n };\n\n if (term.browser.isMSIE) {\n if (window.clipboardData) {\n text = window.clipboardData.getData('Text');\n dispatchPaste(text);\n }\n } else {\n if (ev.clipboardData) {\n text = ev.clipboardData.getData('text/plain');\n dispatchPaste(text);\n }\n }\n}\n\n/**\n * Moves the textarea under the mouse cursor and focuses it.\n * @param ev The original right click event to be handled.\n * @param textarea The terminal's textarea.\n */\nexport function moveTextAreaUnderMouseCursor(ev: MouseEvent, term: ITerminal): void {\n\n // Calculate textarea position relative to the screen element\n const pos = term.screenElement.getBoundingClientRect();\n const left = ev.clientX - pos.left - 10;\n const top = ev.clientY - pos.top - 10;\n\n // Bring textarea at the cursor position\n term.textarea.style.position = 'absolute';\n term.textarea.style.width = '20px';\n term.textarea.style.height = '20px';\n term.textarea.style.left = `${left}px`;\n term.textarea.style.top = `${top}px`;\n term.textarea.style.zIndex = '1000';\n\n term.textarea.focus();\n\n // Reset the terminal textarea's styling\n // Timeout needs to be long enough for click event to be handled.\n setTimeout(() => {\n term.textarea.style.position = null;\n term.textarea.style.width = null;\n term.textarea.style.height = null;\n term.textarea.style.left = null;\n term.textarea.style.top = null;\n term.textarea.style.zIndex = null;\n }, 200);\n}\n\n/**\n * Bind to right-click event and allow right-click copy and paste.\n * @param ev The original right click event to be handled.\n * @param textarea The terminal's textarea.\n * @param selectionManager The terminal's selection manager.\n * @param shouldSelectWord If true and there is no selection the current word will be selected\n */\nexport function rightClickHandler(ev: MouseEvent, term: ITerminal, selectionManager: ISelectionManager, shouldSelectWord: boolean): void {\n moveTextAreaUnderMouseCursor(ev, term);\n\n if (shouldSelectWord && !selectionManager.isClickInSelection(ev)) {\n selectionManager.selectWordAtCursor(ev);\n }\n\n // Get textarea ready to copy from the context menu\n term.textarea.value = selectionManager.selectionText;\n term.textarea.select();\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { fill } from './common/TypedArrayUtils';\n\nexport const wcwidth = (function(opts: {nul: number, control: number}): (ucs: number) => number {\n // extracted from https://www.cl.cam.ac.uk/%7Emgk25/ucs/wcwidth.c\n // combining characters\n const COMBINING_BMP = [\n [0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],\n [0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],\n [0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],\n [0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],\n [0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],\n [0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],\n [0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],\n [0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],\n [0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],\n [0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],\n [0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],\n [0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],\n [0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],\n [0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],\n [0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],\n [0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],\n [0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],\n [0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],\n [0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],\n [0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],\n [0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],\n [0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],\n [0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],\n [0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],\n [0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],\n [0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],\n [0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],\n [0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],\n [0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],\n [0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],\n [0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],\n [0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],\n [0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],\n [0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],\n [0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],\n [0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],\n [0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],\n [0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],\n [0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],\n [0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],\n [0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],\n [0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],\n [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB]\n ];\n const COMBINING_HIGH = [\n [0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],\n [0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],\n [0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],\n [0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],\n [0xE0100, 0xE01EF]\n ];\n // binary search\n function bisearch(ucs: number, data: number[][]): boolean {\n let min = 0;\n let max = data.length - 1;\n let mid;\n if (ucs < data[0][0] || ucs > data[max][1]) {\n return false;\n }\n while (max >= min) {\n mid = (min + max) >> 1;\n if (ucs > data[mid][1]) {\n min = mid + 1;\n } else if (ucs < data[mid][0]) {\n max = mid - 1;\n } else {\n return true;\n }\n }\n return false;\n }\n function wcwidthHigh(ucs: number): 0 | 1 | 2 {\n if (bisearch(ucs, COMBINING_HIGH)) {\n return 0;\n }\n if ((ucs >= 0x20000 && ucs <= 0x2fffd) || (ucs >= 0x30000 && ucs <= 0x3fffd)) {\n return 2;\n }\n return 1;\n }\n const control = opts.control | 0;\n\n // create lookup table for BMP plane\n const table = new Uint8Array(65536);\n fill(table, 1);\n table[0] = opts.nul;\n // control chars\n fill(table, opts.control, 1, 32);\n fill(table, opts.control, 0x7f, 0xa0);\n\n // apply wide char rules first\n // wide chars\n fill(table, 2, 0x1100, 0x1160);\n table[0x2329] = 2;\n table[0x232a] = 2;\n fill(table, 2, 0x2e80, 0xa4d0);\n table[0x303f] = 1; // wrongly in last line\n\n fill(table, 2, 0xac00, 0xd7a4);\n fill(table, 2, 0xf900, 0xfb00);\n fill(table, 2, 0xfe10, 0xfe1a);\n fill(table, 2, 0xfe30, 0xfe70);\n fill(table, 2, 0xff00, 0xff61);\n fill(table, 2, 0xffe0, 0xffe7);\n\n // apply combining last to ensure we overwrite\n // wrongly wide set chars:\n // the original algo evals combining first and falls\n // through to wide check so we simply do here the opposite\n // combining 0\n for (let r = 0; r < COMBINING_BMP.length; ++r) {\n fill(table, 0, COMBINING_BMP[r][0], COMBINING_BMP[r][1] + 1);\n }\n\n return function (num: number): number {\n if (num < 32) {\n return control | 0;\n }\n if (num < 127) {\n return 1;\n }\n if (num < 65536) {\n return table[num];\n }\n // do a full search for high codepoints\n return wcwidthHigh(num);\n };\n})({nul: 0, control: 0}); // configurable options\n\n/**\n * Get the terminal cell width for a string.\n */\nexport function getStringCellWidth(s: string): number {\n let result = 0;\n const length = s.length;\n for (let i = 0; i < length; ++i) {\n let code = s.charCodeAt(i);\n // surrogate pair first\n if (0xD800 <= code && code <= 0xDBFF) {\n if (++i >= length) {\n // this should not happen with strings retrieved from\n // Buffer.translateToString as it converts from UTF-32\n // and therefore always should contain the second part\n // for any other string we still have to handle it somehow:\n // simply treat the lonely surrogate first as a single char (UCS-2 behavior)\n return result + wcwidth(code);\n }\n const second = s.charCodeAt(i);\n // convert surrogate pair to high codepoint only for valid second part (UTF-16)\n // otherwise treat them independently (UCS-2 behavior)\n if (0xDC00 <= second && second <= 0xDFFF) {\n code = (code - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;\n } else {\n result += wcwidth(second);\n }\n }\n result += wcwidth(code);\n }\n return result;\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ICharMeasure, ITerminalOptions } from './Types';\nimport { EventEmitter2, IEvent } from './common/EventEmitter2';\n\n/**\n * Utility class that measures the size of a character. Measurements are done in\n * the DOM rather than with a canvas context because support for extracting the\n * height of characters is patchy across browsers.\n */\nexport class CharMeasure implements ICharMeasure {\n private _document: Document;\n private _parentElement: HTMLElement;\n private _measureElement: HTMLElement;\n private _width: number;\n private _height: number;\n\n private _onCharSizeChanged = new EventEmitter2<void>();\n public get onCharSizeChanged(): IEvent<void> { return this._onCharSizeChanged.event; }\n\n constructor(document: Document, parentElement: HTMLElement) {\n this._document = document;\n this._parentElement = parentElement;\n this._measureElement = this._document.createElement('span');\n this._measureElement.classList.add('xterm-char-measure-element');\n this._measureElement.textContent = 'W';\n this._measureElement.setAttribute('aria-hidden', 'true');\n this._parentElement.appendChild(this._measureElement);\n }\n\n public get width(): number {\n return this._width;\n }\n\n public get height(): number {\n return this._height;\n }\n\n public measure(options: ITerminalOptions): void {\n this._measureElement.style.fontFamily = options.fontFamily;\n this._measureElement.style.fontSize = `${options.fontSize}px`;\n const geometry = this._measureElement.getBoundingClientRect();\n // The element is likely currently display:none, we should retain the\n // previous value.\n if (geometry.width === 0 || geometry.height === 0) {\n return;\n }\n const adjustedHeight = Math.ceil(geometry.height);\n if (this._width !== geometry.width || this._height !== adjustedHeight) {\n this._width = geometry.width;\n this._height = adjustedHeight;\n this._onCharSizeChanged.fire();\n }\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ITerminal, IBufferSet, IAttributeData, IBuffer } from './Types';\nimport { Buffer } from './Buffer';\nimport { EventEmitter2, IEvent } from './common/EventEmitter2';\n\n/**\n * The BufferSet represents the set of two buffers used by xterm terminals (normal and alt) and\n * provides also utilities for working with them.\n */\nexport class BufferSet implements IBufferSet {\n private _normal: Buffer;\n private _alt: Buffer;\n private _activeBuffer: Buffer;\n\n\n private _onBufferActivate = new EventEmitter2<{activeBuffer: IBuffer, inactiveBuffer: IBuffer}>();\n public get onBufferActivate(): IEvent<{activeBuffer: IBuffer, inactiveBuffer: IBuffer}> { return this._onBufferActivate.event; }\n\n /**\n * Create a new BufferSet for the given terminal.\n * @param _terminal - The terminal the BufferSet will belong to\n */\n constructor(private _terminal: ITerminal) {\n this._normal = new Buffer(this._terminal, true);\n this._normal.fillViewportRows();\n\n // The alt buffer should never have scrollback.\n // See http://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h2-The-Alternate-Screen-Buffer\n this._alt = new Buffer(this._terminal, false);\n this._activeBuffer = this._normal;\n\n this.setupTabStops();\n }\n\n /**\n * Returns the alt Buffer of the BufferSet\n */\n public get alt(): Buffer {\n return this._alt;\n }\n\n /**\n * Returns the normal Buffer of the BufferSet\n */\n public get active(): Buffer {\n return this._activeBuffer;\n }\n\n /**\n * Returns the currently active Buffer of the BufferSet\n */\n public get normal(): Buffer {\n return this._normal;\n }\n\n /**\n * Sets the normal Buffer of the BufferSet as its currently active Buffer\n */\n public activateNormalBuffer(): void {\n if (this._activeBuffer === this._normal) {\n return;\n }\n this._normal.x = this._alt.x;\n this._normal.y = this._alt.y;\n // The alt buffer should always be cleared when we switch to the normal\n // buffer. This frees up memory since the alt buffer should always be new\n // when activated.\n this._alt.clear();\n this._activeBuffer = this._normal;\n this._onBufferActivate.fire({\n activeBuffer: this._normal,\n inactiveBuffer: this._alt\n });\n }\n\n /**\n * Sets the alt Buffer of the BufferSet as its currently active Buffer\n */\n public activateAltBuffer(fillAttr?: IAttributeData): void {\n if (this._activeBuffer === this._alt) {\n return;\n }\n // Since the alt buffer is always cleared when the normal buffer is\n // activated, we want to fill it when switching to it.\n this._alt.fillViewportRows(fillAttr);\n this._alt.x = this._normal.x;\n this._alt.y = this._normal.y;\n this._activeBuffer = this._alt;\n this._onBufferActivate.fire({\n activeBuffer: this._alt,\n inactiveBuffer: this._normal\n });\n }\n\n /**\n * Resizes both normal and alt buffers, adjusting their data accordingly.\n * @param newCols The new number of columns.\n * @param newRows The new number of rows.\n */\n public resize(newCols: number, newRows: number): void {\n this._normal.resize(newCols, newRows);\n this._alt.resize(newCols, newRows);\n }\n\n /**\n * Setup the tab stops.\n * @param i The index to start setting up tab stops from.\n */\n public setupTabStops(i?: number): void {\n this._normal.setupTabStops(i);\n this._alt.setupTabStops(i);\n }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { BufferLine } from './BufferLine';\nimport { CircularList } from './common/CircularList';\nimport { IBufferLine, ICellData } from './Types';\n\nexport interface INewLayoutResult {\n layout: number[];\n countRemoved: number;\n}\n\n/**\n * Evaluates and returns indexes to be removed after a reflow larger occurs. Lines will be removed\n * when a wrapped line unwraps.\n * @param lines The buffer lines.\n * @param newCols The columns after resize.\n */\nexport function reflowLargerGetLinesToRemove(lines: CircularList<IBufferLine>, oldCols: number, newCols: number, bufferAbsoluteY: number, nullCell: ICellData): number[] {\n // Gather all BufferLines that need to be removed from the Buffer here so that they can be\n // batched up and only committed once\n const toRemove: number[] = [];\n\n for (let y = 0; y < lines.length - 1; y++) {\n // Check if this row is wrapped\n let i = y;\n let nextLine = lines.get(++i) as BufferLine;\n if (!nextLine.isWrapped) {\n continue;\n }\n\n // Check how many lines it's wrapped for\n const wrappedLines: BufferLine[] = [lines.get(y) as BufferLine];\n while (i < lines.length && nextLine.isWrapped) {\n wrappedLines.push(nextLine);\n nextLine = lines.get(++i) as BufferLine;\n }\n\n // If these lines contain the cursor don't touch them, the program will handle fixing up wrapped\n // lines with the cursor\n if (bufferAbsoluteY >= y && bufferAbsoluteY < i) {\n y += wrappedLines.length - 1;\n continue;\n }\n\n // Copy buffer data to new locations\n let destLineIndex = 0;\n let destCol = getWrappedLineTrimmedLength(wrappedLines, destLineIndex, oldCols);\n let srcLineIndex = 1;\n let srcCol = 0;\n while (srcLineIndex < wrappedLines.length) {\n const srcTrimmedTineLength = getWrappedLineTrimmedLength(wrappedLines, srcLineIndex, oldCols);\n const srcRemainingCells = srcTrimmedTineLength - srcCol;\n const destRemainingCells = newCols - destCol;\n const cellsToCopy = Math.min(srcRemainingCells, destRemainingCells);\n\n wrappedLines[destLineIndex].copyCellsFrom(wrappedLines[srcLineIndex], srcCol, destCol, cellsToCopy, false);\n\n destCol += cellsToCopy;\n if (destCol === newCols) {\n destLineIndex++;\n destCol = 0;\n }\n srcCol += cellsToCopy;\n if (srcCol === srcTrimmedTineLength) {\n srcLineIndex++;\n srcCol = 0;\n }\n\n // Make sure the last cell isn't wide, if it is copy it to the current dest\n if (destCol === 0 && destLineIndex !== 0) {\n if (wrappedLines[destLineIndex - 1].getWidth(newCols - 1) === 2) {\n wrappedLines[destLineIndex].copyCellsFrom(wrappedLines[destLineIndex - 1], newCols - 1, destCol++, 1, false);\n // Null out the end of the last row\n wrappedLines[destLineIndex - 1].setCell(newCols - 1, nullCell);\n }\n }\n }\n\n // Clear out remaining cells or fragments could remain;\n wrappedLines[destLineIndex].replaceCells(destCol, newCols, nullCell);\n\n // Work backwards and remove any rows at the end that only contain null cells\n let countToRemove = 0;\n for (let i = wrappedLines.length - 1; i > 0; i--) {\n if (i > destLineIndex || wrappedLines[i].getTrimmedLength() === 0) {\n countToRemove++;\n } else {\n break;\n }\n }\n\n if (countToRemove > 0) {\n toRemove.push(y + wrappedLines.length - countToRemove); // index\n toRemove.push(countToRemove);\n }\n\n y += wrappedLines.length - 1;\n }\n return toRemove;\n}\n\n/**\n * Creates and return the new layout for lines given an array of indexes to be removed.\n * @param lines The buffer lines.\n * @param toRemove The indexes to remove.\n */\nexport function reflowLargerCreateNewLayout(lines: CircularList<IBufferLine>, toRemove: number[]): INewLayoutResult {\n const layout: number[] = [];\n // First iterate through the list and get the actual indexes to use for rows\n let nextToRemoveIndex = 0;\n let nextToRemoveStart = toRemove[nextToRemoveIndex];\n let countRemovedSoFar = 0;\n for (let i = 0; i < lines.length; i++) {\n if (nextToRemoveStart === i) {\n const countToRemove = toRemove[++nextToRemoveIndex];\n\n // Tell markers that there was a deletion\n lines.onDeleteEmitter.fire({\n index: i - countRemovedSoFar,\n amount: countToRemove\n });\n\n i += countToRemove - 1;\n countRemovedSoFar += countToRemove;\n nextToRemoveStart = toRemove[++nextToRemoveIndex];\n } else {\n layout.push(i);\n }\n }\n return {\n layout,\n countRemoved: countRemovedSoFar\n };\n}\n\n/**\n * Applies a new layout to the buffer. This essentially does the same as many splice calls but it's\n * done all at once in a single iteration through the list since splice is very expensive.\n * @param lines The buffer lines.\n * @param newLayout The new layout to apply.\n */\nexport function reflowLargerApplyNewLayout(lines: CircularList<IBufferLine>, newLayout: number[]): void {\n // Record original lines so they don't get overridden when we rearrange the list\n const newLayoutLines: BufferLine[] = [];\n for (let i = 0; i < newLayout.length; i++) {\n newLayoutLines.push(lines.get(newLayout[i]) as BufferLine);\n }\n\n // Rearrange the list\n for (let i = 0; i < newLayoutLines.length; i++) {\n lines.set(i, newLayoutLines[i]);\n }\n lines.length = newLayout.length;\n}\n\n/**\n * Gets the new line lengths for a given wrapped line. The purpose of this function it to pre-\n * compute the wrapping points since wide characters may need to be wrapped onto the following line.\n * This function will return an array of numbers of where each line wraps to, the resulting array\n * will only contain the values `newCols` (when the line does not end with a wide character) and\n * `newCols - 1` (when the line does end with a wide character), except for the last value which\n * will contain the remaining items to fill the line.\n *\n * Calling this with a `newCols` value of `1` will lock up.\n *\n * @param wrappedLines The wrapped lines to evaluate.\n * @param oldCols The columns before resize.\n * @param newCols The columns after resize.\n */\nexport function reflowSmallerGetNewLineLengths(wrappedLines: BufferLine[], oldCols: number, newCols: number): number[] {\n const newLineLengths: number[] = [];\n const cellsNeeded = wrappedLines.map((l, i) => getWrappedLineTrimmedLength(wrappedLines, i, oldCols)).reduce((p, c) => p + c);\n\n // Use srcCol and srcLine to find the new wrapping point, use that to get the cellsAvailable and\n // linesNeeded\n let srcCol = 0;\n let srcLine = 0;\n let cellsAvailable = 0;\n while (cellsAvailable < cellsNeeded) {\n if (cellsNeeded - cellsAvailable < newCols) {\n // Add the final line and exit the loop\n newLineLengths.push(cellsNeeded - cellsAvailable);\n break;\n }\n srcCol += newCols;\n const oldTrimmedLength = getWrappedLineTrimmedLength(wrappedLines, srcLine, oldCols);\n if (srcCol > oldTrimmedLength) {\n srcCol -= oldTrimmedLength;\n srcLine++;\n }\n const endsWithWide = wrappedLines[srcLine].getWidth(srcCol - 1) === 2;\n if (endsWithWide) {\n srcCol--;\n }\n const lineLength = endsWithWide ? newCols - 1 : newCols;\n newLineLengths.push(lineLength);\n cellsAvailable += lineLength;\n }\n\n return newLineLengths;\n}\n\nexport function getWrappedLineTrimmedLength(lines: BufferLine[], i: number, cols: number): number {\n // If this is the last row in the wrapped line, get the actual trimmed length\n if (i === lines.length - 1) {\n return lines[i].getTrimmedLength();\n }\n // Detect whether the following line starts with a wide character and the end of the current line\n // is null, if so then we can be pretty sure the null character should be excluded from the line\n // length]\n const endsInNull = !(lines[i].hasContent(cols - 1)) && lines[i].getWidth(cols - 1) === 1;\n const followingLineStartsWithWide = lines[i + 1].getWidth(0) === 2;\n if (endsInNull && followingLineStartsWithWide) {\n return cols - 1;\n }\n return cols;\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\nimport { CharData, IBufferLine, ICellData, IColorRGB, IAttributeData } from './Types';\nimport { NULL_CELL_CODE, NULL_CELL_WIDTH, NULL_CELL_CHAR, CHAR_DATA_CHAR_INDEX, CHAR_DATA_WIDTH_INDEX, WHITESPACE_CELL_CHAR, CHAR_DATA_ATTR_INDEX } from './Buffer';\nimport { stringFromCodePoint } from './core/input/TextDecoder';\n\n\n/**\n * buffer memory layout:\n *\n * | uint32_t | uint32_t | uint32_t |\n * | `content` | `FG` | `BG` |\n * | wcwidth(2) comb(1) codepoint(21) | flags(8) R(8) G(8) B(8) | flags(8) R(8) G(8) B(8) |\n */\n\n\n/** typed array slots taken by one cell */\nconst CELL_SIZE = 3;\n\n/**\n * Cell member indices.\n *\n * Direct access:\n * `content = data[column * CELL_SIZE + Cell.CONTENT];`\n * `fg = data[column * CELL_SIZE + Cell.FG];`\n * `bg = data[column * CELL_SIZE + Cell.BG];`\n */\nconst enum Cell {\n CONTENT = 0,\n FG = 1, // currently simply holds all known attrs\n BG = 2 // currently unused\n}\n\n/**\n * Bitmasks for accessing data in `content`.\n */\nexport const enum Content {\n /**\n * bit 1..21 codepoint, max allowed in UTF32 is 0x10FFFF (21 bits taken)\n * read: `codepoint = content & Content.codepointMask;`\n * write: `content |= codepoint & Content.codepointMask;`\n * shortcut if precondition `codepoint <= 0x10FFFF` is met:\n * `content |= codepoint;`\n */\n CODEPOINT_MASK = 0x1FFFFF,\n\n /**\n * bit 22 flag indication whether a cell contains combined content\n * read: `isCombined = content & Content.isCombined;`\n * set: `content |= Content.isCombined;`\n * clear: `content &= ~Content.isCombined;`\n */\n IS_COMBINED_MASK = 0x200000, // 1 << 21\n\n /**\n * bit 1..22 mask to check whether a cell contains any string data\n * we need to check for codepoint and isCombined bits to see\n * whether a cell contains anything\n * read: `isEmpty = !(content & Content.hasContent)`\n */\n HAS_CONTENT_MASK = 0x3FFFFF,\n\n /**\n * bit 23..24 wcwidth value of cell, takes 2 bits (ranges from 0..2)\n * read: `width = (content & Content.widthMask) >> Content.widthShift;`\n * `hasWidth = content & Content.widthMask;`\n * as long as wcwidth is highest value in `content`:\n * `width = content >> Content.widthShift;`\n * write: `content |= (width << Content.widthShift) & Content.widthMask;`\n * shortcut if precondition `0 <= width <= 3` is met:\n * `content |= width << Content.widthShift;`\n */\n WIDTH_MASK = 0xC00000, // 3 << 22\n WIDTH_SHIFT = 22\n}\n\n\nexport const enum Attributes {\n /**\n * bit 1..8 blue in RGB, color in P256 and P16\n */\n BLUE_MASK = 0xFF,\n BLUE_SHIFT = 0,\n PCOLOR_MASK = 0xFF,\n PCOLOR_SHIFT = 0,\n\n /**\n * bit 9..16 green in RGB\n */\n GREEN_MASK = 0xFF00,\n GREEN_SHIFT = 8,\n\n /**\n * bit 17..24 red in RGB\n */\n RED_MASK = 0xFF0000,\n RED_SHIFT = 16,\n\n /**\n * bit 25..26 color mode: DEFAULT (0) | P16 (1) | P256 (2) | RGB (3)\n */\n CM_MASK = 0x3000000,\n CM_DEFAULT = 0,\n CM_P16 = 0x1000000,\n CM_P256 = 0x2000000,\n CM_RGB = 0x3000000,\n\n /**\n * bit 1..24 RGB room\n */\n RGB_MASK = 0xFFFFFF\n}\n\nexport const enum FgFlags {\n /**\n * bit 27..31 (32th bit unused)\n */\n INVERSE = 0x4000000,\n BOLD = 0x8000000,\n UNDERLINE = 0x10000000,\n BLINK = 0x20000000,\n INVISIBLE = 0x40000000\n}\n\nexport const enum BgFlags {\n /**\n * bit 27..32 (upper 4 unused)\n */\n ITALIC = 0x4000000,\n DIM = 0x8000000\n}\n\nexport class AttributeData implements IAttributeData {\n static toColorRGB(value: number): IColorRGB {\n return [\n value >>> Attributes.RED_SHIFT & 255,\n value >>> Attributes.GREEN_SHIFT & 255,\n value & 255\n ];\n }\n static fromColorRGB(value: IColorRGB): number {\n return (value[0] & 255) << Attributes.RED_SHIFT | (value[1] & 255) << Attributes.GREEN_SHIFT | value[2] & 255;\n }\n\n public clone(): IAttributeData {\n const newObj = new AttributeData();\n newObj.fg = this.fg;\n newObj.bg = this.bg;\n return newObj;\n }\n\n // data\n public fg: number = 0;\n public bg: number = 0;\n\n // flags\n public isInverse(): number { return this.fg & FgFlags.INVERSE; }\n public isBold(): number { return this.fg & FgFlags.BOLD; }\n public isUnderline(): number { return this.fg & FgFlags.UNDERLINE; }\n public isBlink(): number { return this.fg & FgFlags.BLINK; }\n public isInvisible(): number { return this.fg & FgFlags.INVISIBLE; }\n public isItalic(): number { return this.bg & BgFlags.ITALIC; }\n public isDim(): number { return this.bg & BgFlags.DIM; }\n\n // color modes\n public getFgColorMode(): number { return this.fg & Attributes.CM_MASK; }\n public getBgColorMode(): number { return this.bg & Attributes.CM_MASK; }\n public isFgRGB(): boolean { return (this.fg & Attributes.CM_MASK) === Attributes.CM_RGB; }\n public isBgRGB(): boolean { return (this.bg & Attributes.CM_MASK) === Attributes.CM_RGB; }\n public isFgPalette(): boolean { return (this.fg & Attributes.CM_MASK) === Attributes.CM_P16 || (this.fg & Attributes.CM_MASK) === Attributes.CM_P256; }\n public isBgPalette(): boolean { return (this.bg & Attributes.CM_MASK) === Attributes.CM_P16 || (this.bg & Attributes.CM_MASK) === Attributes.CM_P256; }\n public isFgDefault(): boolean { return (this.fg & Attributes.CM_MASK) === 0; }\n public isBgDefault(): boolean { return (this.bg & Attributes.CM_MASK) === 0; }\n\n // colors\n public getFgColor(): number {\n switch (this.fg & Attributes.CM_MASK) {\n case Attributes.CM_P16:\n case Attributes.CM_P256: return this.fg & Attributes.PCOLOR_MASK;\n case Attributes.CM_RGB: return this.fg & Attributes.RGB_MASK;\n default: return -1; // CM_DEFAULT defaults to -1\n }\n }\n public getBgColor(): number {\n switch (this.bg & Attributes.CM_MASK) {\n case Attributes.CM_P16:\n case Attributes.CM_P256: return this.bg & Attributes.PCOLOR_MASK;\n case Attributes.CM_RGB: return this.bg & Attributes.RGB_MASK;\n default: return -1; // CM_DEFAULT defaults to -1\n }\n }\n}\n\n/**\n * CellData - represents a single Cell in the terminal buffer.\n */\nexport class CellData extends AttributeData implements ICellData {\n\n /** Helper to create CellData from CharData. */\n public static fromCharData(value: CharData): CellData {\n const obj = new CellData();\n obj.setFromCharData(value);\n return obj;\n }\n\n /** Primitives from terminal buffer. */\n public content: number = 0;\n public fg: number = 0;\n public bg: number = 0;\n public combinedData: string = '';\n\n /** Whether cell contains a combined string. */\n public isCombined(): number {\n return this.content & Content.IS_COMBINED_MASK;\n }\n\n /** Width of the cell. */\n public getWidth(): number {\n return this.content >> Content.WIDTH_SHIFT;\n }\n\n /** JS string of the content. */\n public getChars(): string {\n if (this.content & Content.IS_COMBINED_MASK) {\n return this.combinedData;\n }\n if (this.content & Content.CODEPOINT_MASK) {\n return stringFromCodePoint(this.content & Content.CODEPOINT_MASK);\n }\n return '';\n }\n\n /**\n * Codepoint of cell\n * Note this returns the UTF32 codepoint of single chars,\n * if content is a combined string it returns the codepoint\n * of the last char in string to be in line with code in CharData.\n * */\n public getCode(): number {\n return (this.isCombined())\n ? this.combinedData.charCodeAt(this.combinedData.length - 1)\n : this.content & Content.CODEPOINT_MASK;\n }\n\n /** Set data from CharData */\n public setFromCharData(value: CharData): void {\n this.fg = value[CHAR_DATA_ATTR_INDEX];\n this.bg = 0;\n let combined = false;\n\n // surrogates and combined strings need special treatment\n if (value[CHAR_DATA_CHAR_INDEX].length > 2) {\n combined = true;\n } else if (value[CHAR_DATA_CHAR_INDEX].length === 2) {\n const code = value[CHAR_DATA_CHAR_INDEX].charCodeAt(0);\n // if the 2-char string is a surrogate create single codepoint\n // everything else is combined\n if (0xD800 <= code && code <= 0xDBFF) {\n const second = value[CHAR_DATA_CHAR_INDEX].charCodeAt(1);\n if (0xDC00 <= second && second <= 0xDFFF) {\n this.content = ((code - 0xD800) * 0x400 + second - 0xDC00 + 0x10000) | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT);\n } else {\n combined = true;\n }\n } else {\n combined = true;\n }\n } else {\n this.content = value[CHAR_DATA_CHAR_INDEX].charCodeAt(0) | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT);\n }\n if (combined) {\n this.combinedData = value[CHAR_DATA_CHAR_INDEX];\n this.content = Content.IS_COMBINED_MASK | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT);\n }\n }\n\n /** Get data as CharData. */\n public getAsCharData(): CharData {\n return [this.fg, this.getChars(), this.getWidth(), this.getCode()];\n }\n}\n\n\n/**\n * Typed array based bufferline implementation.\n *\n * There are 2 ways to insert data into the cell buffer:\n * - `setCellFromCodepoint` + `addCodepointToCell`\n * Use these for data that is already UTF32.\n * Used during normal input in `InputHandler` for faster buffer access.\n * - `setCell`\n * This method takes a CellData object and stores the data in the buffer.\n * Use `CellData.fromCharData` to create the CellData object (e.g. from JS string).\n *\n * To retrieve data from the buffer use either one of the primitive methods\n * (if only one particular value is needed) or `loadCell`. For `loadCell` in a loop\n * memory allocs / GC pressure can be greatly reduced by reusing the CellData object.\n */\nexport class BufferLine implements IBufferLine {\n protected _data: Uint32Array | null = null;\n protected _combined: {[index: number]: string} = {};\n public length: number;\n\n constructor(cols: number, fillCellData?: ICellData, public isWrapped: boolean = false) {\n if (cols) {\n this._data = new Uint32Array(cols * CELL_SIZE);\n const cell = fillCellData || CellData.fromCharData([0, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]);\n for (let i = 0; i < cols; ++i) {\n this.setCell(i, cell);\n }\n }\n this.length = cols;\n }\n\n /**\n * Get cell data CharData.\n * @deprecated\n */\n public get(index: number): CharData {\n const content = this._data[index * CELL_SIZE + Cell.CONTENT];\n const cp = content & Content.CODEPOINT_MASK;\n return [\n this._data[index * CELL_SIZE + Cell.FG],\n (content & Content.IS_COMBINED_MASK)\n ? this._combined[index]\n : (cp) ? stringFromCodePoint(cp) : '',\n content >> Content.WIDTH_SHIFT,\n (content & Content.IS_COMBINED_MASK)\n ? this._combined[index].charCodeAt(this._combined[index].length - 1)\n : cp\n ];\n }\n\n /**\n * Set cell data from CharData.\n * @deprecated\n */\n public set(index: number, value: CharData): void {\n this._data[index * CELL_SIZE + Cell.FG] = value[CHAR_DATA_ATTR_INDEX];\n if (value[CHAR_DATA_CHAR_INDEX].length > 1) {\n this._combined[index] = value[1];\n this._data[index * CELL_SIZE + Cell.CONTENT] = index | Content.IS_COMBINED_MASK | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT);\n } else {\n this._data[index * CELL_SIZE + Cell.CONTENT] = value[CHAR_DATA_CHAR_INDEX].charCodeAt(0) | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT);\n }\n }\n\n /**\n * primitive getters\n * use these when only one value is needed, otherwise use `loadCell`\n */\n public getWidth(index: number): number {\n return this._data[index * CELL_SIZE + Cell.CONTENT] >> Content.WIDTH_SHIFT;\n }\n\n /** Test whether content has width. */\n public hasWidth(index: number): number {\n return this._data[index * CELL_SIZE + Cell.CONTENT] & Content.WIDTH_MASK;\n }\n\n /** Get FG cell component. */\n public getFg(index: number): number {\n return this._data[index * CELL_SIZE + Cell.FG];\n }\n\n /** Get BG cell component. */\n public getBg(index: number): number {\n return this._data[index * CELL_SIZE + Cell.BG];\n }\n\n /**\n * Test whether contains any chars.\n * Basically an empty has no content, but other cells might differ in FG/BG\n * from real empty cells.\n * */\n public hasContent(index: number): number {\n return this._data[index * CELL_SIZE + Cell.CONTENT] & Content.HAS_CONTENT_MASK;\n }\n\n /**\n * Get codepoint of the cell.\n * To be in line with `code` in CharData this either returns\n * a single UTF32 codepoint or the last codepoint of a combined string.\n */\n public getCodePoint(index: number): number {\n const content = this._data[index * CELL_SIZE + Cell.CONTENT];\n if (content & Content.IS_COMBINED_MASK) {\n return this._combined[index].charCodeAt(this._combined[index].length - 1);\n }\n return content & Content.CODEPOINT_MASK;\n }\n\n /** Test whether the cell contains a combined string. */\n public isCombined(index: number): number {\n return this._data[index * CELL_SIZE + Cell.CONTENT] & Content.IS_COMBINED_MASK;\n }\n\n /** Returns the string content of the cell. */\n public getString(index: number): string {\n const content = this._data[index * CELL_SIZE + Cell.CONTENT];\n if (content & Content.IS_COMBINED_MASK) {\n return this._combined[index];\n }\n if (content & Content.CODEPOINT_MASK) {\n return stringFromCodePoint(content & Content.CODEPOINT_MASK);\n }\n // return empty string for empty cells\n return '';\n }\n\n /**\n * Load data at `index` into `cell`. This is used to access cells in a way that's more friendly\n * to GC as it significantly reduced the amount of new objects/references needed.\n */\n public loadCell(index: number, cell: ICellData): ICellData {\n const startIndex = index * CELL_SIZE;\n cell.content = this._data[startIndex + Cell.CONTENT];\n cell.fg = this._data[startIndex + Cell.FG];\n cell.bg = this._data[startIndex + Cell.BG];\n if (cell.content & Content.IS_COMBINED_MASK) {\n cell.combinedData = this._combined[index];\n }\n return cell;\n }\n\n /**\n * Set data at `index` to `cell`.\n */\n public setCell(index: number, cell: ICellData): void {\n if (cell.content & Content.IS_COMBINED_MASK) {\n this._combined[index] = cell.combinedData;\n }\n this._data[index * CELL_SIZE + Cell.CONTENT] = cell.content;\n this._data[index * CELL_SIZE + Cell.FG] = cell.fg;\n this._data[index * CELL_SIZE + Cell.BG] = cell.bg;\n }\n\n /**\n * Set cell data from input handler.\n * Since the input handler see the incoming chars as UTF32 codepoints,\n * it gets an optimized access method.\n */\n public setCellFromCodePoint(index: number, codePoint: number, width: number, fg: number, bg: number): void {\n this._data[index * CELL_SIZE + Cell.CONTENT] = codePoint | (width << Content.WIDTH_SHIFT);\n this._data[index * CELL_SIZE + Cell.FG] = fg;\n this._data[index * CELL_SIZE + Cell.BG] = bg;\n }\n\n /**\n * Add a codepoint to a cell from input handler.\n * During input stage combining chars with a width of 0 follow and stack\n * onto a leading char. Since we already set the attrs\n * by the previous `setDataFromCodePoint` call, we can omit it here.\n */\n public addCodepointToCell(index: number, codePoint: number): void {\n let content = this._data[index * CELL_SIZE + Cell.CONTENT];\n if (content & Content.IS_COMBINED_MASK) {\n // we already have a combined string, simply add\n this._combined[index] += stringFromCodePoint(codePoint);\n } else {\n if (content & Content.CODEPOINT_MASK) {\n // normal case for combining chars:\n // - move current leading char + new one into combined string\n // - set combined flag\n this._combined[index] = stringFromCodePoint(content & Content.CODEPOINT_MASK) + stringFromCodePoint(codePoint);\n content &= ~Content.CODEPOINT_MASK; // set codepoint in buffer to 0\n content |= Content.IS_COMBINED_MASK;\n } else {\n // should not happen - we actually have no data in the cell yet\n // simply set the data in the cell buffer with a width of 1\n content = codePoint | (1 << Content.WIDTH_SHIFT);\n }\n this._data[index * CELL_SIZE + Cell.CONTENT] = content;\n }\n }\n\n public insertCells(pos: number, n: number, fillCellData: ICellData): void {\n pos %= this.length;\n if (n < this.length - pos) {\n const cell = new CellData();\n for (let i = this.length - pos - n - 1; i >= 0; --i) {\n this.setCell(pos + n + i, this.loadCell(pos + i, cell));\n }\n for (let i = 0; i < n; ++i) {\n this.setCell(pos + i, fillCellData);\n }\n } else {\n for (let i = pos; i < this.length; ++i) {\n this.setCell(i, fillCellData);\n }\n }\n }\n\n public deleteCells(pos: number, n: number, fillCellData: ICellData): void {\n pos %= this.length;\n if (n < this.length - pos) {\n const cell = new CellData();\n for (let i = 0; i < this.length - pos - n; ++i) {\n this.setCell(pos + i, this.loadCell(pos + n + i, cell));\n }\n for (let i = this.length - n; i < this.length; ++i) {\n this.setCell(i, fillCellData);\n }\n } else {\n for (let i = pos; i < this.length; ++i) {\n this.setCell(i, fillCellData);\n }\n }\n }\n\n public replaceCells(start: number, end: number, fillCellData: ICellData): void {\n while (start < end && start < this.length) {\n this.setCell(start++, fillCellData);\n }\n }\n\n public resize(cols: number, fillCellData: ICellData): void {\n if (cols === this.length) {\n return;\n }\n if (cols > this.length) {\n const data = new Uint32Array(cols * CELL_SIZE);\n if (this.length) {\n if (cols * CELL_SIZE < this._data.length) {\n data.set(this._data.subarray(0, cols * CELL_SIZE));\n } else {\n data.set(this._data);\n }\n }\n this._data = data;\n for (let i = this.length; i < cols; ++i) {\n this.setCell(i, fillCellData);\n }\n } else {\n if (cols) {\n const data = new Uint32Array(cols * CELL_SIZE);\n data.set(this._data.subarray(0, cols * CELL_SIZE));\n this._data = data;\n // Remove any cut off combined data\n const keys = Object.keys(this._combined);\n for (let i = 0; i < keys.length; i++) {\n const key = parseInt(keys[i], 10);\n if (key >= cols) {\n delete this._combined[key];\n }\n }\n } else {\n this._data = null;\n this._combined = {};\n }\n }\n this.length = cols;\n }\n\n /** fill a line with fillCharData */\n public fill(fillCellData: ICellData): void {\n this._combined = {};\n for (let i = 0; i < this.length; ++i) {\n this.setCell(i, fillCellData);\n }\n }\n\n /** alter to a full copy of line */\n public copyFrom(line: BufferLine): void {\n if (this.length !== line.length) {\n this._data = new Uint32Array(line._data);\n } else {\n // use high speed copy if lengths are equal\n this._data.set(line._data);\n }\n this.length = line.length;\n this._combined = {};\n for (const el in line._combined) {\n this._combined[el] = line._combined[el];\n }\n this.isWrapped = line.isWrapped;\n }\n\n /** create a new clone */\n public clone(): IBufferLine {\n const newLine = new BufferLine(0);\n newLine._data = new Uint32Array(this._data);\n newLine.length = this.length;\n for (const el in this._combined) {\n newLine._combined[el] = this._combined[el];\n }\n newLine.isWrapped = this.isWrapped;\n return newLine;\n }\n\n public getTrimmedLength(): number {\n for (let i = this.length - 1; i >= 0; --i) {\n if ((this._data[i * CELL_SIZE + Cell.CONTENT] & Content.HAS_CONTENT_MASK)) {\n return i + (this._data[i * CELL_SIZE + Cell.CONTENT] >> Content.WIDTH_SHIFT);\n }\n }\n return 0;\n }\n\n public copyCellsFrom(src: BufferLine, srcCol: number, destCol: number, length: number, applyInReverse: boolean): void {\n const srcData = src._data;\n if (applyInReverse) {\n for (let cell = length - 1; cell >= 0; cell--) {\n for (let i = 0; i < CELL_SIZE; i++) {\n this._data[(destCol + cell) * CELL_SIZE + i] = srcData[(srcCol + cell) * CELL_SIZE + i];\n }\n }\n } else {\n for (let cell = 0; cell < length; cell++) {\n for (let i = 0; i < CELL_SIZE; i++) {\n this._data[(destCol + cell) * CELL_SIZE + i] = srcData[(srcCol + cell) * CELL_SIZE + i];\n }\n }\n }\n\n // Move any combined data over as needed\n const srcCombinedKeys = Object.keys(src._combined);\n for (let i = 0; i < srcCombinedKeys.length; i++) {\n const key = parseInt(srcCombinedKeys[i], 10);\n if (key >= srcCol) {\n this._combined[key - srcCol + destCol] = src._combined[key];\n }\n }\n }\n\n public translateToString(trimRight: boolean = false, startCol: number = 0, endCol: number = this.length): string {\n if (trimRight) {\n endCol = Math.min(endCol, this.getTrimmedLength());\n }\n let result = '';\n while (startCol < endCol) {\n const content = this._data[startCol * CELL_SIZE + Cell.CONTENT];\n const cp = content & Content.CODEPOINT_MASK;\n result += (content & Content.IS_COMBINED_MASK) ? this._combined[startCol] : (cp) ? stringFromCodePoint(cp) : WHITESPACE_CELL_CHAR;\n startCol += (content >> Content.WIDTH_SHIFT) || 1; // always advance by 1\n }\n return result;\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { CircularList, IInsertEvent } from './common/CircularList';\nimport { ITerminal, IBuffer, IBufferLine, BufferIndex, IBufferStringIterator, IBufferStringIteratorResult, ICellData, IAttributeData } from './Types';\nimport { IMarker } from 'xterm';\nimport { BufferLine, CellData, AttributeData } from './BufferLine';\nimport { reflowLargerApplyNewLayout, reflowLargerCreateNewLayout, reflowLargerGetLinesToRemove, reflowSmallerGetNewLineLengths, getWrappedLineTrimmedLength } from './BufferReflow';\nimport { DEFAULT_COLOR } from './renderer/atlas/Types';\nimport { EventEmitter2, IEvent } from './common/EventEmitter2';\nimport { Disposable } from '../lib/common/Lifecycle';\n\nexport const DEFAULT_ATTR = (0 << 18) | (DEFAULT_COLOR << 9) | (256 << 0);\n\nexport const DEFAULT_ATTR_DATA = new AttributeData();\n\nexport const CHAR_DATA_ATTR_INDEX = 0;\nexport const CHAR_DATA_CHAR_INDEX = 1;\nexport const CHAR_DATA_WIDTH_INDEX = 2;\nexport const CHAR_DATA_CODE_INDEX = 3;\nexport const MAX_BUFFER_SIZE = 4294967295; // 2^32 - 1\n\n/**\n * Null cell - a real empty cell (containing nothing).\n * Note that code should always be 0 for a null cell as\n * several test condition of the buffer line rely on this.\n */\nexport const NULL_CELL_CHAR = '';\nexport const NULL_CELL_WIDTH = 1;\nexport const NULL_CELL_CODE = 0;\n\n/**\n * Whitespace cell.\n * This is meant as a replacement for empty cells when needed\n * during rendering lines to preserve correct aligment.\n */\nexport const WHITESPACE_CELL_CHAR = ' ';\nexport const WHITESPACE_CELL_WIDTH = 1;\nexport const WHITESPACE_CELL_CODE = 32;\n\n/**\n * This class represents a terminal buffer (an internal state of the terminal), where the\n * following information is stored (in high-level):\n * - text content of this particular buffer\n * - cursor position\n * - scroll position\n */\nexport class Buffer implements IBuffer {\n public lines: CircularList<IBufferLine>;\n public ydisp: number;\n public ybase: number;\n public y: number;\n public x: number;\n public scrollBottom: number;\n public scrollTop: number;\n public tabs: any;\n public savedY: number;\n public savedX: number;\n public savedCurAttrData = DEFAULT_ATTR_DATA.clone();\n public markers: Marker[] = [];\n private _nullCell: ICellData = CellData.fromCharData([0, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]);\n private _whitespaceCell: ICellData = CellData.fromCharData([0, WHITESPACE_CELL_CHAR, WHITESPACE_CELL_WIDTH, WHITESPACE_CELL_CODE]);\n private _cols: number;\n private _rows: number;\n\n /**\n * Create a new Buffer.\n * @param _terminal The terminal the Buffer will belong to.\n * @param _hasScrollback Whether the buffer should respect the scrollback of\n * the terminal.\n */\n constructor(\n private _terminal: ITerminal,\n private _hasScrollback: boolean\n ) {\n this._cols = this._terminal.cols;\n this._rows = this._terminal.rows;\n this.clear();\n }\n\n public getNullCell(attr?: IAttributeData): ICellData {\n if (attr) {\n this._nullCell.fg = attr.fg;\n this._nullCell.bg = attr.bg;\n } else {\n this._nullCell.fg = 0;\n this._nullCell.bg = 0;\n }\n return this._nullCell;\n }\n\n public getWhitespaceCell(attr?: IAttributeData): ICellData {\n if (attr) {\n this._whitespaceCell.fg = attr.fg;\n this._whitespaceCell.bg = attr.bg;\n } else {\n this._whitespaceCell.fg = 0;\n this._whitespaceCell.bg = 0;\n }\n return this._whitespaceCell;\n }\n\n public getBlankLine(attr: IAttributeData, isWrapped?: boolean): IBufferLine {\n return new BufferLine(this._terminal.cols, this.getNullCell(attr), isWrapped);\n }\n\n public get hasScrollback(): boolean {\n return this._hasScrollback && this.lines.maxLength > this._rows;\n }\n\n public get isCursorInViewport(): boolean {\n const absoluteY = this.ybase + this.y;\n const relativeY = absoluteY - this.ydisp;\n return (relativeY >= 0 && relativeY < this._rows);\n }\n\n /**\n * Gets the correct buffer length based on the rows provided, the terminal's\n * scrollback and whether this buffer is flagged to have scrollback or not.\n * @param rows The terminal rows to use in the calculation.\n */\n private _getCorrectBufferLength(rows: number): number {\n if (!this._hasScrollback) {\n return rows;\n }\n\n const correctBufferLength = rows + this._terminal.options.scrollback;\n\n return correctBufferLength > MAX_BUFFER_SIZE ? MAX_BUFFER_SIZE : correctBufferLength;\n }\n\n /**\n * Fills the buffer's viewport with blank lines.\n */\n public fillViewportRows(fillAttr?: IAttributeData): void {\n if (this.lines.length === 0) {\n if (fillAttr === undefined) {\n fillAttr = DEFAULT_ATTR_DATA;\n }\n let i = this._rows;\n while (i--) {\n this.lines.push(this.getBlankLine(fillAttr));\n }\n }\n }\n\n /**\n * Clears the buffer to it's initial state, discarding all previous data.\n */\n public clear(): void {\n this.ydisp = 0;\n this.ybase = 0;\n this.y = 0;\n this.x = 0;\n this.lines = new CircularList<IBufferLine>(this._getCorrectBufferLength(this._rows));\n this.scrollTop = 0;\n this.scrollBottom = this._rows - 1;\n this.setupTabStops();\n }\n\n /**\n * Resizes the buffer, adjusting its data accordingly.\n * @param newCols The new number of columns.\n * @param newRows The new number of rows.\n */\n public resize(newCols: number, newRows: number): void {\n // store reference to null cell with default attrs\n const nullCell = this.getNullCell(DEFAULT_ATTR_DATA);\n\n // Increase max length if needed before adjustments to allow space to fill\n // as required.\n const newMaxLength = this._getCorrectBufferLength(newRows);\n if (newMaxLength > this.lines.maxLength) {\n this.lines.maxLength = newMaxLength;\n }\n\n // The following adjustments should only happen if the buffer has been\n // initialized/filled.\n if (this.lines.length > 0) {\n // Deal with columns increasing (reducing needs to happen after reflow)\n if (this._cols < newCols) {\n for (let i = 0; i < this.lines.length; i++) {\n this.lines.get(i).resize(newCols, nullCell);\n }\n }\n\n // Resize rows in both directions as needed\n let addToY = 0;\n if (this._rows < newRows) {\n for (let y = this._rows; y < newRows; y++) {\n if (this.lines.length < newRows + this.ybase) {\n if (this.ybase > 0 && this.lines.length <= this.ybase + this.y + addToY + 1) {\n // There is room above the buffer and there are no empty elements below the line,\n // scroll up\n this.ybase--;\n addToY++;\n if (this.ydisp > 0) {\n // Viewport is at the top of the buffer, must increase downwards\n this.ydisp--;\n }\n } else {\n // Add a blank line if there is no buffer left at the top to scroll to, or if there\n // are blank lines after the cursor\n this.lines.push(new BufferLine(newCols, nullCell));\n }\n }\n }\n } else { // (this._rows >= newRows)\n for (let y = this._rows; y > newRows; y--) {\n if (this.lines.length > newRows + this.ybase) {\n if (this.lines.length > this.ybase + this.y + 1) {\n // The line is a blank line below the cursor, remove it\n this.lines.pop();\n } else {\n // The line is the cursor, scroll down\n this.ybase++;\n this.ydisp++;\n }\n }\n }\n }\n\n // Reduce max length if needed after adjustments, this is done after as it\n // would otherwise cut data from the bottom of the buffer.\n if (newMaxLength < this.lines.maxLength) {\n // Trim from the top of the buffer and adjust ybase and ydisp.\n const amountToTrim = this.lines.length - newMaxLength;\n if (amountToTrim > 0) {\n this.lines.trimStart(amountToTrim);\n this.ybase = Math.max(this.ybase - amountToTrim, 0);\n this.ydisp = Math.max(this.ydisp - amountToTrim, 0);\n }\n this.lines.maxLength = newMaxLength;\n }\n\n // Make sure that the cursor stays on screen\n this.x = Math.min(this.x, newCols - 1);\n this.y = Math.min(this.y, newRows - 1);\n if (addToY) {\n this.y += addToY;\n }\n this.savedY = Math.min(this.savedY, newRows - 1);\n this.savedX = Math.min(this.savedX, newCols - 1);\n\n this.scrollTop = 0;\n }\n\n this.scrollBottom = newRows - 1;\n\n if (this._isReflowEnabled) {\n this._reflow(newCols, newRows);\n\n // Trim the end of the line off if cols shrunk\n if (this._cols > newCols) {\n for (let i = 0; i < this.lines.length; i++) {\n this.lines.get(i).resize(newCols, nullCell);\n }\n }\n }\n\n this._cols = newCols;\n this._rows = newRows;\n }\n\n private get _isReflowEnabled(): boolean {\n return this._hasScrollback && !this._terminal.options.windowsMode;\n }\n\n private _reflow(newCols: number, newRows: number): void {\n if (this._cols === newCols) {\n return;\n }\n\n // Iterate through rows, ignore the last one as it cannot be wrapped\n if (newCols > this._cols) {\n this._reflowLarger(newCols, newRows);\n } else {\n this._reflowSmaller(newCols, newRows);\n }\n }\n\n private _reflowLarger(newCols: number, newRows: number): void {\n const toRemove: number[] = reflowLargerGetLinesToRemove(this.lines, this._cols, newCols, this.ybase + this.y, this.getNullCell(DEFAULT_ATTR_DATA));\n if (toRemove.length > 0) {\n const newLayoutResult = reflowLargerCreateNewLayout(this.lines, toRemove);\n reflowLargerApplyNewLayout(this.lines, newLayoutResult.layout);\n this._reflowLargerAdjustViewport(newCols, newRows, newLayoutResult.countRemoved);\n }\n }\n\n private _reflowLargerAdjustViewport(newCols: number, newRows: number, countRemoved: number): void {\n const nullCell = this.getNullCell(DEFAULT_ATTR_DATA);\n // Adjust viewport based on number of items removed\n let viewportAdjustments = countRemoved;\n while (viewportAdjustments-- > 0) {\n if (this.ybase === 0) {\n if (this.y > 0) {\n this.y--;\n }\n if (this.lines.length < newRows) {\n // Add an extra row at the bottom of the viewport\n this.lines.push(new BufferLine(newCols, nullCell));\n }\n } else {\n if (this.ydisp === this.ybase) {\n this.ydisp--;\n }\n this.ybase--;\n }\n }\n }\n\n private _reflowSmaller(newCols: number, newRows: number): void {\n const nullCell = this.getNullCell(DEFAULT_ATTR_DATA);\n // Gather all BufferLines that need to be inserted into the Buffer here so that they can be\n // batched up and only committed once\n const toInsert = [];\n let countToInsert = 0;\n // Go backwards as many lines may be trimmed and this will avoid considering them\n for (let y = this.lines.length - 1; y >= 0; y--) {\n // Check whether this line is a problem\n let nextLine = this.lines.get(y) as BufferLine;\n if (!nextLine.isWrapped && nextLine.getTrimmedLength() <= newCols) {\n continue;\n }\n\n // Gather wrapped lines and adjust y to be the starting line\n const wrappedLines: BufferLine[] = [nextLine];\n while (nextLine.isWrapped && y > 0) {\n nextLine = this.lines.get(--y) as BufferLine;\n wrappedLines.unshift(nextLine);\n }\n\n // If these lines contain the cursor don't touch them, the program will handle fixing up\n // wrapped lines with the cursor\n const absoluteY = this.ybase + this.y;\n if (absoluteY >= y && absoluteY < y + wrappedLines.length) {\n continue;\n }\n\n const lastLineLength = wrappedLines[wrappedLines.length - 1].getTrimmedLength();\n const destLineLengths = reflowSmallerGetNewLineLengths(wrappedLines, this._cols, newCols);\n const linesToAdd = destLineLengths.length - wrappedLines.length;\n let trimmedLines: number;\n if (this.ybase === 0 && this.y !== this.lines.length - 1) {\n // If the top section of the buffer is not yet filled\n trimmedLines = Math.max(0, this.y - this.lines.maxLength + linesToAdd);\n } else {\n trimmedLines = Math.max(0, this.lines.length - this.lines.maxLength + linesToAdd);\n }\n\n // Add the new lines\n const newLines: BufferLine[] = [];\n for (let i = 0; i < linesToAdd; i++) {\n const newLine = this.getBlankLine(DEFAULT_ATTR_DATA, true) as BufferLine;\n newLines.push(newLine);\n }\n if (newLines.length > 0) {\n toInsert.push({\n // countToInsert here gets the actual index, taking into account other inserted items.\n // using this we can iterate through the list forwards\n start: y + wrappedLines.length + countToInsert,\n newLines\n });\n countToInsert += newLines.length;\n }\n wrappedLines.push(...newLines);\n\n // Copy buffer data to new locations, this needs to happen backwards to do in-place\n let destLineIndex = destLineLengths.length - 1; // Math.floor(cellsNeeded / newCols);\n let destCol = destLineLengths[destLineIndex]; // cellsNeeded % newCols;\n if (destCol === 0) {\n destLineIndex--;\n destCol = destLineLengths[destLineIndex];\n }\n let srcLineIndex = wrappedLines.length - linesToAdd - 1;\n let srcCol = lastLineLength;\n while (srcLineIndex >= 0) {\n const cellsToCopy = Math.min(srcCol, destCol);\n wrappedLines[destLineIndex].copyCellsFrom(wrappedLines[srcLineIndex], srcCol - cellsToCopy, destCol - cellsToCopy, cellsToCopy, true);\n destCol -= cellsToCopy;\n if (destCol === 0) {\n destLineIndex--;\n destCol = destLineLengths[destLineIndex];\n }\n srcCol -= cellsToCopy;\n if (srcCol === 0) {\n srcLineIndex--;\n const wrappedLinesIndex = Math.max(srcLineIndex, 0);\n srcCol = getWrappedLineTrimmedLength(wrappedLines, wrappedLinesIndex, this._cols);\n }\n }\n\n // Null out the end of the line ends if a wide character wrapped to the following line\n for (let i = 0; i < wrappedLines.length; i++) {\n if (destLineLengths[i] < newCols) {\n wrappedLines[i].setCell(destLineLengths[i], nullCell);\n }\n }\n\n // Adjust viewport as needed\n let viewportAdjustments = linesToAdd - trimmedLines;\n while (viewportAdjustments-- > 0) {\n if (this.ybase === 0) {\n if (this.y < newRows - 1) {\n this.y++;\n this.lines.pop();\n } else {\n this.ybase++;\n this.ydisp++;\n }\n } else {\n // Ensure ybase does not exceed its maximum value\n if (this.ybase < Math.min(this.lines.maxLength, this.lines.length + countToInsert) - newRows) {\n if (this.ybase === this.ydisp) {\n this.ydisp++;\n }\n this.ybase++;\n }\n }\n }\n }\n\n // Rearrange lines in the buffer if there are any insertions, this is done at the end rather\n // than earlier so that it's a single O(n) pass through the buffer, instead of O(n^2) from many\n // costly calls to CircularList.splice.\n if (toInsert.length > 0) {\n // Record buffer insert events and then play them back backwards so that the indexes are\n // correct\n const insertEvents: IInsertEvent[] = [];\n\n // Record original lines so they don't get overridden when we rearrange the list\n const originalLines: BufferLine[] = [];\n for (let i = 0; i < this.lines.length; i++) {\n originalLines.push(this.lines.get(i) as BufferLine);\n }\n const originalLinesLength = this.lines.length;\n\n let originalLineIndex = originalLinesLength - 1;\n let nextToInsertIndex = 0;\n let nextToInsert = toInsert[nextToInsertIndex];\n this.lines.length = Math.min(this.lines.maxLength, this.lines.length + countToInsert);\n let countInsertedSoFar = 0;\n for (let i = Math.min(this.lines.maxLength - 1, originalLinesLength + countToInsert - 1); i >= 0; i--) {\n if (nextToInsert && nextToInsert.start > originalLineIndex + countInsertedSoFar) {\n // Insert extra lines here, adjusting i as needed\n for (let nextI = nextToInsert.newLines.length - 1; nextI >= 0; nextI--) {\n this.lines.set(i--, nextToInsert.newLines[nextI]);\n }\n i++;\n\n // Create insert events for later\n insertEvents.push({\n index: originalLineIndex + 1,\n amount: nextToInsert.newLines.length\n });\n\n countInsertedSoFar += nextToInsert.newLines.length;\n nextToInsert = toInsert[++nextToInsertIndex];\n } else {\n this.lines.set(i, originalLines[originalLineIndex--]);\n }\n }\n\n // Update markers\n let insertCountEmitted = 0;\n for (let i = insertEvents.length - 1; i >= 0; i--) {\n insertEvents[i].index += insertCountEmitted;\n this.lines.onInsertEmitter.fire(insertEvents[i]);\n insertCountEmitted += insertEvents[i].amount;\n }\n const amountToTrim = Math.max(0, originalLinesLength + countToInsert - this.lines.maxLength);\n if (amountToTrim > 0) {\n this.lines.onTrimEmitter.fire(amountToTrim);\n }\n }\n }\n\n // private _reflowSmallerGetLinesNeeded()\n\n /**\n * Translates a string index back to a BufferIndex.\n * To get the correct buffer position the string must start at `startCol` 0\n * (default in translateBufferLineToString).\n * The method also works on wrapped line strings given rows were not trimmed.\n * The method operates on the CharData string length, there are no\n * additional content or boundary checks. Therefore the string and the buffer\n * should not be altered in between.\n * TODO: respect trim flag after fixing #1685\n * @param lineIndex line index the string was retrieved from\n * @param stringIndex index within the string\n * @param startCol column offset the string was retrieved from\n */\n public stringIndexToBufferIndex(lineIndex: number, stringIndex: number, trimRight: boolean = false): BufferIndex {\n while (stringIndex) {\n const line = this.lines.get(lineIndex);\n if (!line) {\n return [-1, -1];\n }\n const length = (trimRight) ? line.getTrimmedLength() : line.length;\n for (let i = 0; i < length; ++i) {\n if (line.get(i)[CHAR_DATA_WIDTH_INDEX]) {\n // empty cells report a string length of 0, but get replaced\n // with a whitespace in translateToString, thus replace with 1\n stringIndex -= line.get(i)[CHAR_DATA_CHAR_INDEX].length || 1;\n }\n if (stringIndex < 0) {\n return [lineIndex, i];\n }\n }\n lineIndex++;\n }\n return [lineIndex, 0];\n }\n\n /**\n * Translates a buffer line to a string, with optional start and end columns.\n * Wide characters will count as two columns in the resulting string. This\n * function is useful for getting the actual text underneath the raw selection\n * position.\n * @param line The line being translated.\n * @param trimRight Whether to trim whitespace to the right.\n * @param startCol The column to start at.\n * @param endCol The column to end at.\n */\n public translateBufferLineToString(lineIndex: number, trimRight: boolean, startCol: number = 0, endCol?: number): string {\n const line = this.lines.get(lineIndex);\n if (!line) {\n return '';\n }\n return line.translateToString(trimRight, startCol, endCol);\n }\n\n public getWrappedRangeForLine(y: number): { first: number, last: number } {\n let first = y;\n let last = y;\n // Scan upwards for wrapped lines\n while (first > 0 && this.lines.get(first).isWrapped) {\n first--;\n }\n // Scan downwards for wrapped lines\n while (last + 1 < this.lines.length && this.lines.get(last + 1).isWrapped) {\n last++;\n }\n return { first, last };\n }\n\n /**\n * Setup the tab stops.\n * @param i The index to start setting up tab stops from.\n */\n public setupTabStops(i?: number): void {\n if (i !== null && i !== undefined) {\n if (!this.tabs[i]) {\n i = this.prevStop(i);\n }\n } else {\n this.tabs = {};\n i = 0;\n }\n\n for (; i < this._cols; i += this._terminal.options.tabStopWidth) {\n this.tabs[i] = true;\n }\n }\n\n /**\n * Move the cursor to the previous tab stop from the given position (default is current).\n * @param x The position to move the cursor to the previous tab stop.\n */\n public prevStop(x?: number): number {\n if (x === null || x === undefined) {\n x = this.x;\n }\n while (!this.tabs[--x] && x > 0);\n return x >= this._cols ? this._cols - 1 : x < 0 ? 0 : x;\n }\n\n /**\n * Move the cursor one tab stop forward from the given position (default is current).\n * @param x The position to move the cursor one tab stop forward.\n */\n public nextStop(x?: number): number {\n if (x === null || x === undefined) {\n x = this.x;\n }\n while (!this.tabs[++x] && x < this._cols);\n return x >= this._cols ? this._cols - 1 : x < 0 ? 0 : x;\n }\n\n public addMarker(y: number): Marker {\n const marker = new Marker(y);\n this.markers.push(marker);\n marker.register(this.lines.onTrim(amount => {\n marker.line -= amount;\n // The marker should be disposed when the line is trimmed from the buffer\n if (marker.line < 0) {\n marker.dispose();\n }\n }));\n marker.register(this.lines.onInsert(event => {\n if (marker.line >= event.index) {\n marker.line += event.amount;\n }\n }));\n marker.register(this.lines.onDelete(event => {\n // Delete the marker if it's within the range\n if (marker.line >= event.index && marker.line < event.index + event.amount) {\n marker.dispose();\n }\n\n // Shift the marker if it's after the deleted range\n if (marker.line > event.index) {\n marker.line -= event.amount;\n }\n }));\n marker.register(marker.onDispose(() => this._removeMarker(marker)));\n return marker;\n }\n\n private _removeMarker(marker: Marker): void {\n this.markers.splice(this.markers.indexOf(marker), 1);\n }\n\n public iterator(trimRight: boolean, startIndex?: number, endIndex?: number, startOverscan?: number, endOverscan?: number): IBufferStringIterator {\n return new BufferStringIterator(this, trimRight, startIndex, endIndex, startOverscan, endOverscan);\n }\n}\n\nexport class Marker extends Disposable implements IMarker {\n private static _nextId = 1;\n\n private _id: number = Marker._nextId++;\n public isDisposed: boolean = false;\n\n public get id(): number { return this._id; }\n\n private _onDispose = new EventEmitter2<void>();\n public get onDispose(): IEvent<void> { return this._onDispose.event; }\n\n constructor(\n public line: number\n ) {\n super();\n }\n\n public dispose(): void {\n if (this.isDisposed) {\n return;\n }\n this.isDisposed = true;\n // Emit before super.dispose such that dispose listeners get a change to react\n this._onDispose.fire();\n }\n}\n\n/**\n * Iterator to get unwrapped content strings from the buffer.\n * The iterator returns at least the string data between the borders\n * `startIndex` and `endIndex` (exclusive) and will expand the lines\n * by `startOverscan` to the top and by `endOverscan` to the bottom,\n * if no new line was found in between.\n * It will never read/return string data beyond `startIndex - startOverscan`\n * or `endIndex + endOverscan`. Therefore the first and last line might be truncated.\n * It is possible to always get the full string for the first and last line as well\n * by setting the overscan values to the actual buffer length. This not recommended\n * since it might return the whole buffer within a single string in a worst case scenario.\n */\nexport class BufferStringIterator implements IBufferStringIterator {\n private _current: number;\n\n constructor (\n private _buffer: IBuffer,\n private _trimRight: boolean,\n private _startIndex: number = 0,\n private _endIndex: number = _buffer.lines.length,\n private _startOverscan: number = 0,\n private _endOverscan: number = 0\n ) {\n if (this._startIndex < 0) {\n this._startIndex = 0;\n }\n if (this._endIndex > this._buffer.lines.length) {\n this._endIndex = this._buffer.lines.length;\n }\n this._current = this._startIndex;\n }\n\n public hasNext(): boolean {\n return this._current < this._endIndex;\n }\n\n public next(): IBufferStringIteratorResult {\n const range = this._buffer.getWrappedRangeForLine(this._current);\n // limit search window to overscan value at both borders\n if (range.first < this._startIndex - this._startOverscan) {\n range.first = this._startIndex - this._startOverscan;\n }\n if (range.last > this._endIndex + this._endOverscan) {\n range.last = this._endIndex + this._endOverscan;\n }\n // limit to current buffer length\n range.first = Math.max(range.first, 0);\n range.last = Math.min(range.last, this._buffer.lines.length);\n let result = '';\n for (let i = range.first; i <= range.last; ++i) {\n result += this._buffer.translateBufferLineToString(i, this._trimRight);\n }\n this._current = range.last + 1;\n return {range: range, content: result};\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport * as Strings from './Strings';\nimport { ITerminal, IBuffer } from './Types';\nimport { isMac } from './common/Platform';\nimport { RenderDebouncer } from './ui/RenderDebouncer';\nimport { addDisposableDomListener } from './ui/Lifecycle';\nimport { Disposable } from './common/Lifecycle';\n\nconst MAX_ROWS_TO_READ = 20;\n\nconst enum BoundaryPosition {\n TOP,\n BOTTOM\n}\n\nexport class AccessibilityManager extends Disposable {\n private _accessibilityTreeRoot: HTMLElement;\n private _rowContainer: HTMLElement;\n private _rowElements: HTMLElement[];\n private _liveRegion: HTMLElement;\n private _liveRegionLineCount: number = 0;\n\n private _renderRowsDebouncer: RenderDebouncer;\n\n private _topBoundaryFocusListener: (e: FocusEvent) => void;\n private _bottomBoundaryFocusListener: (e: FocusEvent) => void;\n\n /**\n * This queue has a character pushed to it for keys that are pressed, if the\n * next character added to the terminal is equal to the key char then it is\n * not announced (added to live region) because it has already been announced\n * by the textarea event (which cannot be canceled). There are some race\n * condition cases if there is typing while data is streaming, but this covers\n * the main case of typing into the prompt and inputting the answer to a\n * question (Y/N, etc.).\n */\n private _charsToConsume: string[] = [];\n\n constructor(private _terminal: ITerminal) {\n super();\n this._accessibilityTreeRoot = document.createElement('div');\n this._accessibilityTreeRoot.classList.add('xterm-accessibility');\n\n this._rowContainer = document.createElement('div');\n this._rowContainer.classList.add('xterm-accessibility-tree');\n this._rowElements = [];\n for (let i = 0; i < this._terminal.rows; i++) {\n this._rowElements[i] = this._createAccessibilityTreeNode();\n this._rowContainer.appendChild(this._rowElements[i]);\n }\n\n this._topBoundaryFocusListener = e => this._onBoundaryFocus(e, BoundaryPosition.TOP);\n this._bottomBoundaryFocusListener = e => this._onBoundaryFocus(e, BoundaryPosition.BOTTOM);\n this._rowElements[0].addEventListener('focus', this._topBoundaryFocusListener);\n this._rowElements[this._rowElements.length - 1].addEventListener('focus', this._bottomBoundaryFocusListener);\n\n this._refreshRowsDimensions();\n this._accessibilityTreeRoot.appendChild(this._rowContainer);\n\n this._renderRowsDebouncer = new RenderDebouncer(this._renderRows.bind(this));\n this._refreshRows();\n\n this._liveRegion = document.createElement('div');\n this._liveRegion.classList.add('live-region');\n this._liveRegion.setAttribute('aria-live', 'assertive');\n this._accessibilityTreeRoot.appendChild(this._liveRegion);\n\n this._terminal.element.insertAdjacentElement('afterbegin', this._accessibilityTreeRoot);\n\n this.register(this._renderRowsDebouncer);\n this.register(this._terminal.onResize(e => this._onResize(e.rows)));\n this.register(this._terminal.onRender(e => this._refreshRows(e.start, e.end)));\n this.register(this._terminal.onScroll(() => this._refreshRows()));\n // Line feed is an issue as the prompt won't be read out after a command is run\n this.register(this._terminal.addDisposableListener('a11y.char', (char) => this._onChar(char)));\n this.register(this._terminal.onLineFeed(() => this._onChar('\\n')));\n this.register(this._terminal.addDisposableListener('a11y.tab', spaceCount => this._onTab(spaceCount)));\n this.register(this._terminal.onKey(e => this._onKey(e.key)));\n this.register(this._terminal.addDisposableListener('blur', () => this._clearLiveRegion()));\n // TODO: Maybe renderer should fire an event on terminal when the characters change and that\n // should be listened to instead? That would mean that the order of events are always\n // guarenteed\n this.register(this._terminal.addDisposableListener('dprchange', () => this._refreshRowsDimensions()));\n this.register(this._terminal.renderer.onCanvasResize(() => this._refreshRowsDimensions()));\n // This shouldn't be needed on modern browsers but is present in case the\n // media query that drives the dprchange event isn't supported\n this.register(addDisposableDomListener(window, 'resize', () => this._refreshRowsDimensions()));\n }\n\n public dispose(): void {\n super.dispose();\n this._terminal.element.removeChild(this._accessibilityTreeRoot);\n this._rowElements.length = 0;\n }\n\n private _onBoundaryFocus(e: FocusEvent, position: BoundaryPosition): void {\n const boundaryElement = <HTMLElement>e.target;\n const beforeBoundaryElement = this._rowElements[position === BoundaryPosition.TOP ? 1 : this._rowElements.length - 2];\n\n // Don't scroll if the buffer top has reached the end in that direction\n const posInSet = boundaryElement.getAttribute('aria-posinset');\n const lastRowPos = position === BoundaryPosition.TOP ? '1' : `${this._terminal.buffer.lines.length}`;\n if (posInSet === lastRowPos) {\n return;\n }\n\n // Don't scroll when the last focused item was not the second row (focus is going the other\n // direction)\n if (e.relatedTarget !== beforeBoundaryElement) {\n return;\n }\n\n // Remove old boundary element from array\n let topBoundaryElement: HTMLElement;\n let bottomBoundaryElement: HTMLElement;\n if (position === BoundaryPosition.TOP) {\n topBoundaryElement = boundaryElement;\n bottomBoundaryElement = this._rowElements.pop()!;\n this._rowContainer.removeChild(bottomBoundaryElement);\n } else {\n topBoundaryElement = this._rowElements.shift()!;\n bottomBoundaryElement = boundaryElement;\n this._rowContainer.removeChild(topBoundaryElement);\n }\n\n // Remove listeners from old boundary elements\n topBoundaryElement.removeEventListener('focus', this._topBoundaryFocusListener);\n bottomBoundaryElement.removeEventListener('focus', this._bottomBoundaryFocusListener);\n\n // Add new element to array/DOM\n if (position === BoundaryPosition.TOP) {\n const newElement = this._createAccessibilityTreeNode();\n this._rowElements.unshift(newElement);\n this._rowContainer.insertAdjacentElement('afterbegin', newElement);\n } else {\n const newElement = this._createAccessibilityTreeNode();\n this._rowElements.push(newElement);\n this._rowContainer.appendChild(newElement);\n }\n\n // Add listeners to new boundary elements\n this._rowElements[0].addEventListener('focus', this._topBoundaryFocusListener);\n this._rowElements[this._rowElements.length - 1].addEventListener('focus', this._bottomBoundaryFocusListener);\n\n // Scroll up\n this._terminal.scrollLines(position === BoundaryPosition.TOP ? -1 : 1);\n\n // Focus new boundary before element\n this._rowElements[position === BoundaryPosition.TOP ? 1 : this._rowElements.length - 2].focus();\n\n // Prevent the standard behavior\n e.preventDefault();\n e.stopImmediatePropagation();\n }\n\n private _onResize(rows: number): void {\n // Remove bottom boundary listener\n this._rowElements[this._rowElements.length - 1].removeEventListener('focus', this._bottomBoundaryFocusListener);\n\n // Grow rows as required\n for (let i = this._rowContainer.children.length; i < this._terminal.rows; i++) {\n this._rowElements[i] = this._createAccessibilityTreeNode();\n this._rowContainer.appendChild(this._rowElements[i]);\n }\n // Shrink rows as required\n while (this._rowElements.length > rows) {\n this._rowContainer.removeChild(this._rowElements.pop()!);\n }\n\n // Add bottom boundary listener\n this._rowElements[this._rowElements.length - 1].addEventListener('focus', this._bottomBoundaryFocusListener);\n\n this._refreshRowsDimensions();\n }\n\n private _createAccessibilityTreeNode(): HTMLElement {\n const element = document.createElement('div');\n element.setAttribute('role', 'listitem');\n element.tabIndex = -1;\n this._refreshRowDimensions(element);\n return element;\n }\n\n private _onTab(spaceCount: number): void {\n for (let i = 0; i < spaceCount; i++) {\n this._onChar(' ');\n }\n }\n\n private _onChar(char: string): void {\n if (this._liveRegionLineCount < MAX_ROWS_TO_READ + 1) {\n if (this._charsToConsume.length > 0) {\n // Have the screen reader ignore the char if it was just input\n const shiftedChar = this._charsToConsume.shift();\n if (shiftedChar !== char) {\n this._announceCharacter(char);\n }\n } else {\n this._announceCharacter(char);\n }\n\n if (char === '\\n') {\n this._liveRegionLineCount++;\n if (this._liveRegionLineCount === MAX_ROWS_TO_READ + 1) {\n this._liveRegion.textContent += Strings.tooMuchOutput;\n }\n }\n\n // Only detach/attach on mac as otherwise messages can go unaccounced\n if (isMac) {\n if (this._liveRegion.textContent && this._liveRegion.textContent.length > 0 && !this._liveRegion.parentNode) {\n setTimeout(() => {\n this._accessibilityTreeRoot.appendChild(this._liveRegion);\n }, 0);\n }\n }\n }\n }\n\n private _clearLiveRegion(): void {\n this._liveRegion.textContent = '';\n this._liveRegionLineCount = 0;\n\n // Only detach/attach on mac as otherwise messages can go unaccounced\n if (isMac) {\n if (this._liveRegion.parentNode) {\n this._accessibilityTreeRoot.removeChild(this._liveRegion);\n }\n }\n }\n\n private _onKey(keyChar: string): void {\n this._clearLiveRegion();\n this._charsToConsume.push(keyChar);\n }\n\n private _refreshRows(start?: number, end?: number): void {\n this._renderRowsDebouncer.refresh(start, end, this._terminal.rows);\n }\n\n private _renderRows(start: number, end: number): void {\n const buffer: IBuffer = this._terminal.buffer;\n const setSize = buffer.lines.length.toString();\n for (let i = start; i <= end; i++) {\n const lineData = buffer.translateBufferLineToString(buffer.ydisp + i, true);\n const posInSet = (buffer.ydisp + i + 1).toString();\n const element = this._rowElements[i];\n if (element) {\n element.textContent = lineData.length === 0 ? Strings.blankLine : lineData;\n element.setAttribute('aria-posinset', posInSet);\n element.setAttribute('aria-setsize', setSize);\n }\n }\n }\n\n private _refreshRowsDimensions(): void {\n if (!this._terminal.renderer.dimensions.actualCellHeight) {\n return;\n }\n if (this._rowElements.length !== this._terminal.rows) {\n this._onResize(this._terminal.rows);\n }\n for (let i = 0; i < this._terminal.rows; i++) {\n this._refreshRowDimensions(this._rowElements[i]);\n }\n }\n\n private _refreshRowDimensions(element: HTMLElement): void {\n element.style.height = `${this._terminal.renderer.dimensions.actualCellHeight}px`;\n }\n\n private _announceCharacter(char: string): void {\n if (char === ' ') {\n // Always use nbsp for spaces in order to preserve the space between characters in\n // voiceover's caption window\n this._liveRegion.innerHTML += ' ';\n } else {\n this._liveRegion.textContent += char;\n }\n 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All rights reserved.\n * @license MIT\n */\n\nimport { IEvent } from 'common/EventEmitter';\nimport { IBuffer, IBufferSet } from 'common/buffer/Types';\nimport { IDecPrivateModes, ICoreMouseEvent, CoreMouseEncoding, ICoreMouseProtocol, CoreMouseEventType } from 'common/Types';\nimport { createDecorator } from 'common/services/ServiceRegistry';\n\nexport const IBufferService = createDecorator<IBufferService>('BufferService');\nexport interface IBufferService {\n serviceBrand: any;\n\n readonly cols: number;\n readonly rows: number;\n readonly buffer: IBuffer;\n readonly buffers: IBufferSet;\n\n // TODO: Move resize event here\n\n resize(cols: number, rows: number): void;\n reset(): void;\n}\n\nexport const ICoreMouseService = createDecorator<ICoreMouseService>('CoreMouseService');\nexport interface ICoreMouseService {\n activeProtocol: string;\n activeEncoding: string;\n addProtocol(name: string, protocol: ICoreMouseProtocol): void;\n addEncoding(name: string, encoding: CoreMouseEncoding): void;\n reset(): void;\n\n /**\n * Triggers a mouse event to be sent.\n *\n * Returns true if the event passed all protocol restrictions and a report\n * was sent, otherwise false. The return value may be used to decide whether\n * the default event action in the bowser component should be omitted.\n *\n * Note: The method will change values of the given event object\n * to fullfill protocol and encoding restrictions.\n */\n triggerMouseEvent(event: ICoreMouseEvent): boolean;\n\n /**\n * Event to announce changes in mouse tracking.\n */\n onProtocolChange: IEvent<CoreMouseEventType>;\n\n /**\n * Human readable version of mouse events.\n */\n explainEvents(events: CoreMouseEventType): {[event: string]: boolean};\n}\n\nexport const ICoreService = createDecorator<ICoreService>('CoreService');\nexport interface ICoreService {\n serviceBrand: any;\n\n /**\n * Initially the cursor will not be visible until the first time the terminal\n * is focused.\n */\n isCursorInitialized: boolean;\n isCursorHidden: boolean;\n readonly decPrivateModes: IDecPrivateModes;\n\n readonly onData: IEvent<string>;\n readonly onUserInput: IEvent<void>;\n readonly onBinary: IEvent<string>;\n\n reset(): void;\n\n /**\n * Triggers the onData event in the public API.\n * @param data The data that is being emitted.\n * @param wasFromUser Whether the data originated from the user (as opposed to\n * resulting from parsing incoming data). When true this will also:\n * - Scroll to the bottom of the buffer.s\n * - Fire the `onUserInput` event (so selection can be cleared).\n */\n triggerDataEvent(data: string, wasUserInput?: boolean): void;\n\n /**\n * Triggers the onBinary event in the public API.\n * @param data The data that is being emitted.\n */\n triggerBinaryEvent(data: string): void;\n}\n\nexport const IDirtyRowService = createDecorator<IDirtyRowService>('DirtyRowService');\nexport interface IDirtyRowService {\n serviceBrand: any;\n\n readonly start: number;\n readonly end: number;\n\n clearRange(): void;\n markDirty(y: number): void;\n markRangeDirty(y1: number, y2: number): void;\n markAllDirty(): void;\n}\n\nexport interface IServiceIdentifier<T> {\n (...args: any[]): void;\n type: T;\n}\n\nexport interface IConstructorSignature0<T> {\n new(...services: { serviceBrand: any; }[]): T;\n}\n\nexport interface IConstructorSignature1<A1, T> {\n new(first: A1, ...services: { serviceBrand: any; }[]): T;\n}\n\nexport interface IConstructorSignature2<A1, A2, T> {\n new(first: A1, second: A2, ...services: { serviceBrand: any; }[]): T;\n}\n\nexport interface IConstructorSignature3<A1, A2, A3, T> {\n new(first: A1, second: A2, third: A3, ...services: { serviceBrand: any; }[]): T;\n}\n\nexport interface IConstructorSignature4<A1, A2, A3, A4, T> {\n new(first: A1, second: A2, third: A3, fourth: A4, ...services: { serviceBrand: any; }[]): T;\n}\n\nexport interface IConstructorSignature5<A1, A2, A3, A4, A5, T> {\n new(first: A1, second: A2, third: A3, fourth: A4, fifth: A5, ...services: { serviceBrand: any; }[]): T;\n}\n\nexport interface IConstructorSignature6<A1, A2, A3, A4, A5, A6, T> {\n new(first: A1, second: A2, third: A3, fourth: A4, fifth: A5, sixth: A6, ...services: { serviceBrand: any; }[]): T;\n}\n\nexport interface IConstructorSignature7<A1, A2, A3, A4, A5, A6, A7, T> {\n new(first: A1, second: A2, third: A3, fourth: A4, fifth: A5, sixth: A6, seventh: A7, ...services: { serviceBrand: any; }[]): T;\n}\n\nexport interface IConstructorSignature8<A1, A2, A3, A4, A5, A6, A7, A8, T> {\n new(first: A1, second: A2, third: A3, fourth: A4, fifth: A5, sixth: A6, seventh: A7, eigth: A8, ...services: { serviceBrand: any; }[]): T;\n}\n\nexport const IInstantiationService = createDecorator<IInstantiationService>('InstantiationService');\nexport interface IInstantiationService {\n setService<T>(id: IServiceIdentifier<T>, instance: T): void;\n\n createInstance<T>(ctor: IConstructorSignature0<T>): T;\n createInstance<A1, T>(ctor: IConstructorSignature1<A1, T>, first: A1): T;\n createInstance<A1, A2, T>(ctor: IConstructorSignature2<A1, A2, T>, first: A1, second: A2): T;\n createInstance<A1, A2, A3, T>(ctor: IConstructorSignature3<A1, A2, A3, T>, first: A1, second: A2, third: A3): T;\n createInstance<A1, A2, A3, A4, T>(ctor: IConstructorSignature4<A1, A2, A3, A4, T>, first: A1, second: A2, third: A3, fourth: A4): T;\n createInstance<A1, A2, A3, A4, A5, T>(ctor: IConstructorSignature5<A1, A2, A3, A4, A5, T>, first: A1, second: A2, third: A3, fourth: A4, fifth: A5): T;\n createInstance<A1, A2, A3, A4, A5, A6, T>(ctor: IConstructorSignature6<A1, A2, A3, A4, A5, A6, T>, first: A1, second: A2, third: A3, fourth: A4, fifth: A5, sixth: A6): T;\n createInstance<A1, A2, A3, A4, A5, A6, A7, T>(ctor: IConstructorSignature7<A1, A2, A3, A4, A5, A6, A7, T>, first: A1, second: A2, third: A3, fourth: A4, fifth: A5, sixth: A6, seventh: A7): T;\n createInstance<A1, A2, A3, A4, A5, A6, A7, A8, T>(ctor: IConstructorSignature8<A1, A2, A3, A4, A5, A6, A7, A8, T>, first: A1, second: A2, third: A3, fourth: A4, fifth: A5, sixth: A6, seventh: A7, eigth: A8): T;\n}\n\nexport const ILogService = createDecorator<ILogService>('LogService');\nexport interface ILogService {\n serviceBrand: any;\n\n debug(message: any, ...optionalParams: any[]): void;\n info(message: any, ...optionalParams: any[]): void;\n warn(message: any, ...optionalParams: any[]): void;\n error(message: any, ...optionalParams: any[]): void;\n}\n\nexport const IOptionsService = createDecorator<IOptionsService>('OptionsService');\nexport interface IOptionsService {\n serviceBrand: any;\n\n readonly options: ITerminalOptions;\n\n readonly onOptionChange: IEvent<string>;\n\n setOption<T>(key: string, value: T): void;\n getOption<T>(key: string): T | undefined;\n}\n\nexport type FontWeight = 'normal' | 'bold' | '100' | '200' | '300' | '400' | '500' | '600' | '700' | '800' | '900';\nexport type LogLevel = 'debug' | 'info' | 'warn' | 'error' | 'off';\nexport type RendererType = 'dom' | 'canvas';\n\nexport interface IPartialTerminalOptions {\n allowTransparency?: boolean;\n bellSound?: string;\n bellStyle?: 'none' /*| 'visual'*/ | 'sound' /*| 'both'*/;\n cols?: number;\n cursorBlink?: boolean;\n cursorStyle?: 'block' | 'underline' | 'bar';\n disableStdin?: boolean;\n drawBoldTextInBrightColors?: boolean;\n fastScrollModifier?: 'alt' | 'ctrl' | 'shift';\n fastScrollSensitivity?: number;\n fontSize?: number;\n fontFamily?: string;\n fontWeight?: FontWeight;\n fontWeightBold?: FontWeight;\n letterSpacing?: number;\n lineHeight?: number;\n logLevel?: LogLevel;\n macOptionIsMeta?: boolean;\n macOptionClickForcesSelection?: boolean;\n rendererType?: RendererType;\n rightClickSelectsWord?: boolean;\n rows?: number;\n screenReaderMode?: boolean;\n scrollback?: number;\n scrollSensitivity?: number;\n tabStopWidth?: number;\n theme?: ITheme;\n windowsMode?: boolean;\n wordSeparator?: string;\n}\n\nexport interface ITerminalOptions {\n allowTransparency: boolean;\n bellSound: string;\n bellStyle: 'none' /*| 'visual'*/ | 'sound' /*| 'both'*/;\n cols: number;\n cursorBlink: boolean;\n cursorStyle: 'block' | 'underline' | 'bar';\n disableStdin: boolean;\n drawBoldTextInBrightColors: boolean;\n fastScrollModifier: 'alt' | 'ctrl' | 'shift' | undefined;\n fastScrollSensitivity: number;\n fontSize: number;\n fontFamily: string;\n fontWeight: FontWeight;\n fontWeightBold: FontWeight;\n letterSpacing: number;\n lineHeight: number;\n logLevel: LogLevel;\n macOptionIsMeta: boolean;\n macOptionClickForcesSelection: boolean;\n minimumContrastRatio: number;\n rendererType: RendererType;\n rightClickSelectsWord: boolean;\n rows: number;\n screenReaderMode: boolean;\n scrollback: number;\n scrollSensitivity: number;\n tabStopWidth: number;\n theme: ITheme;\n windowsMode: boolean;\n wordSeparator: string;\n\n [key: string]: any;\n cancelEvents: boolean;\n convertEol: boolean;\n screenKeys: boolean;\n termName: string;\n useFlowControl: boolean;\n}\n\nexport interface ITheme {\n foreground?: string;\n background?: string;\n cursor?: string;\n cursorAccent?: string;\n selection?: string;\n black?: string;\n red?: string;\n green?: string;\n yellow?: string;\n blue?: string;\n magenta?: string;\n cyan?: string;\n white?: string;\n brightBlack?: string;\n brightRed?: string;\n brightGreen?: string;\n brightYellow?: string;\n brightBlue?: string;\n brightMagenta?: string;\n brightCyan?: string;\n brightWhite?: string;\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IDisposable } from 'common/Types';\n\ninterface IListener<T> {\n (e: T): void;\n}\n\nexport interface IEvent<T> {\n (listener: (e: T) => any): IDisposable;\n}\n\nexport interface IEventEmitter<T> {\n event: IEvent<T>;\n fire(data: T): void;\n dispose(): void;\n}\n\nexport class EventEmitter<T> implements IEventEmitter<T> {\n private _listeners: IListener<T>[] = [];\n private _event?: IEvent<T>;\n private _disposed: boolean = false;\n\n public get event(): IEvent<T> {\n if (!this._event) {\n this._event = (listener: (e: T) => any) => {\n this._listeners.push(listener);\n const disposable = {\n dispose: () => {\n if (!this._disposed) {\n for (let i = 0; i < this._listeners.length; i++) {\n if (this._listeners[i] === listener) {\n this._listeners.splice(i, 1);\n return;\n }\n }\n }\n }\n };\n return disposable;\n };\n }\n return this._event;\n }\n\n public fire(data: T): void {\n const queue: IListener<T>[] = [];\n for (let i = 0; i < this._listeners.length; i++) {\n queue.push(this._listeners[i]);\n }\n for (let i = 0; i < queue.length; i++) {\n queue[i].call(undefined, data);\n }\n }\n\n public dispose(): void {\n if (this._listeners) {\n this._listeners.length = 0;\n }\n this._disposed = true;\n }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IDisposable } from 'common/Types';\n\n/**\n * A base class that can be extended to provide convenience methods for managing the lifecycle of an\n * object and its components.\n */\nexport abstract class Disposable implements IDisposable {\n protected _disposables: IDisposable[] = [];\n protected _isDisposed: boolean = false;\n\n constructor() {\n }\n\n /**\n * Disposes the object, triggering the `dispose` method on all registered IDisposables.\n */\n public dispose(): void {\n this._isDisposed = true;\n this._disposables.forEach(d => d.dispose());\n this._disposables.length = 0;\n }\n\n /**\n * Registers a disposable object.\n * @param d The disposable to register.\n */\n public register<T extends IDisposable>(d: T): void {\n this._disposables.push(d);\n }\n\n /**\n * Unregisters a disposable object if it has been registered, if not do\n * nothing.\n * @param d The disposable to unregister.\n */\n public unregister<T extends IDisposable>(d: T): void {\n const index = this._disposables.indexOf(d);\n if (index !== -1) {\n this._disposables.splice(index, 1);\n }\n }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nexport const DEFAULT_COLOR = 256;\nexport const DEFAULT_ATTR = (0 << 18) | (DEFAULT_COLOR << 9) | (256 << 0);\n\nexport const CHAR_DATA_ATTR_INDEX = 0;\nexport const CHAR_DATA_CHAR_INDEX = 1;\nexport const CHAR_DATA_WIDTH_INDEX = 2;\nexport const CHAR_DATA_CODE_INDEX = 3;\n\n/**\n * Null cell - a real empty cell (containing nothing).\n * Note that code should always be 0 for a null cell as\n * several test condition of the buffer line rely on this.\n */\nexport const NULL_CELL_CHAR = '';\nexport const NULL_CELL_WIDTH = 1;\nexport const NULL_CELL_CODE = 0;\n\n/**\n * Whitespace cell.\n * This is meant as a replacement for empty cells when needed\n * during rendering lines to preserve correct aligment.\n */\nexport const WHITESPACE_CELL_CHAR = ' ';\nexport const WHITESPACE_CELL_WIDTH = 1;\nexport const WHITESPACE_CELL_CODE = 32;\n\n/**\n * Bitmasks for accessing data in `content`.\n */\nexport const enum Content {\n /**\n * bit 1..21 codepoint, max allowed in UTF32 is 0x10FFFF (21 bits taken)\n * read: `codepoint = content & Content.codepointMask;`\n * write: `content |= codepoint & Content.codepointMask;`\n * shortcut if precondition `codepoint <= 0x10FFFF` is met:\n * `content |= codepoint;`\n */\n CODEPOINT_MASK = 0x1FFFFF,\n\n /**\n * bit 22 flag indication whether a cell contains combined content\n * read: `isCombined = content & Content.isCombined;`\n * set: `content |= Content.isCombined;`\n * clear: `content &= ~Content.isCombined;`\n */\n IS_COMBINED_MASK = 0x200000, // 1 << 21\n\n /**\n * bit 1..22 mask to check whether a cell contains any string data\n * we need to check for codepoint and isCombined bits to see\n * whether a cell contains anything\n * read: `isEmpty = !(content & Content.hasContent)`\n */\n HAS_CONTENT_MASK = 0x3FFFFF,\n\n /**\n * bit 23..24 wcwidth value of cell, takes 2 bits (ranges from 0..2)\n * read: `width = (content & Content.widthMask) >> Content.widthShift;`\n * `hasWidth = content & Content.widthMask;`\n * as long as wcwidth is highest value in `content`:\n * `width = content >> Content.widthShift;`\n * write: `content |= (width << Content.widthShift) & Content.widthMask;`\n * shortcut if precondition `0 <= width <= 3` is met:\n * `content |= width << Content.widthShift;`\n */\n WIDTH_MASK = 0xC00000, // 3 << 22\n WIDTH_SHIFT = 22\n}\n\nexport const enum Attributes {\n /**\n * bit 1..8 blue in RGB, color in P256 and P16\n */\n BLUE_MASK = 0xFF,\n BLUE_SHIFT = 0,\n PCOLOR_MASK = 0xFF,\n PCOLOR_SHIFT = 0,\n\n /**\n * bit 9..16 green in RGB\n */\n GREEN_MASK = 0xFF00,\n GREEN_SHIFT = 8,\n\n /**\n * bit 17..24 red in RGB\n */\n RED_MASK = 0xFF0000,\n RED_SHIFT = 16,\n\n /**\n * bit 25..26 color mode: DEFAULT (0) | P16 (1) | P256 (2) | RGB (3)\n */\n CM_MASK = 0x3000000,\n CM_DEFAULT = 0,\n CM_P16 = 0x1000000,\n CM_P256 = 0x2000000,\n CM_RGB = 0x3000000,\n\n /**\n * bit 1..24 RGB room\n */\n RGB_MASK = 0xFFFFFF\n}\n\nexport const enum FgFlags {\n /**\n * bit 27..31 (32th bit unused)\n */\n INVERSE = 0x4000000,\n BOLD = 0x8000000,\n UNDERLINE = 0x10000000,\n BLINK = 0x20000000,\n INVISIBLE = 0x40000000\n}\n\nexport const enum BgFlags {\n /**\n * bit 27..32 (upper 4 unused)\n */\n ITALIC = 0x4000000,\n DIM = 0x8000000\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IEvent } from 'common/EventEmitter';\nimport { IRenderDimensions, IRenderer, CharacterJoinerHandler } from 'browser/renderer/Types';\nimport { IColorSet } from 'browser/Types';\nimport { ISelectionRedrawRequestEvent } from 'browser/selection/Types';\nimport { createDecorator } from 'common/services/ServiceRegistry';\nimport { IDisposable } from 'common/Types';\n\nexport const ICharSizeService = createDecorator<ICharSizeService>('CharSizeService');\nexport interface ICharSizeService {\n serviceBrand: any;\n\n readonly width: number;\n readonly height: number;\n readonly hasValidSize: boolean;\n\n readonly onCharSizeChange: IEvent<void>;\n\n measure(): void;\n}\n\nexport const ICoreBrowserService = createDecorator<ICoreBrowserService>('CoreBrowserService');\nexport interface ICoreBrowserService {\n serviceBrand: any;\n\n readonly isFocused: boolean;\n}\n\nexport const IMouseService = createDecorator<IMouseService>('MouseService');\nexport interface IMouseService {\n serviceBrand: any;\n\n getCoords(event: {clientX: number, clientY: number}, element: HTMLElement, colCount: number, rowCount: number, isSelection?: boolean): [number, number] | undefined;\n getRawByteCoords(event: MouseEvent, element: HTMLElement, colCount: number, rowCount: number): { x: number, y: number } | undefined;\n}\n\nexport const IRenderService = createDecorator<IRenderService>('RenderService');\nexport interface IRenderService extends IDisposable {\n serviceBrand: any;\n\n onDimensionsChange: IEvent<IRenderDimensions>;\n onRender: IEvent<{ start: number, end: number }>;\n onRefreshRequest: IEvent<{ start: number, end: number }>;\n\n dimensions: IRenderDimensions;\n\n refreshRows(start: number, end: number): void;\n resize(cols: number, rows: number): void;\n changeOptions(): void;\n setRenderer(renderer: IRenderer): void;\n setColors(colors: IColorSet): void;\n onDevicePixelRatioChange(): void;\n onResize(cols: number, rows: number): void;\n // TODO: Is this useful when we have onResize?\n onCharSizeChanged(): void;\n onBlur(): void;\n onFocus(): void;\n onSelectionChanged(start: [number, number], end: [number, number], columnSelectMode: boolean): void;\n onCursorMove(): void;\n clear(): void;\n registerCharacterJoiner(handler: CharacterJoinerHandler): number;\n deregisterCharacterJoiner(joinerId: number): boolean;\n}\n\nexport const ISelectionService = createDecorator<ISelectionService>('SelectionService');\nexport interface ISelectionService {\n serviceBrand: any;\n\n readonly selectionText: string;\n readonly hasSelection: boolean;\n readonly selectionStart: [number, number] | undefined;\n readonly selectionEnd: [number, number] | undefined;\n\n readonly onLinuxMouseSelection: IEvent<string>;\n readonly onRedrawRequest: IEvent<ISelectionRedrawRequestEvent>;\n readonly onSelectionChange: IEvent<void>;\n\n disable(): void;\n enable(): void;\n reset(): void;\n setSelection(row: number, col: number, length: number): void;\n selectAll(): void;\n selectLines(start: number, end: number): void;\n clearSelection(): void;\n isClickInSelection(event: MouseEvent): boolean;\n selectWordAtCursor(event: MouseEvent): void;\n shouldColumnSelect(event: KeyboardEvent | MouseEvent): boolean;\n shouldForceSelection(event: MouseEvent): boolean;\n refresh(isLinuxMouseSelection?: boolean): void;\n onMouseDown(event: MouseEvent): void;\n}\n\nexport const ISoundService = createDecorator<ISoundService>('SoundService');\nexport interface ISoundService {\n serviceBrand: any;\n\n playBellSound(): void;\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { CharData, ICellData } from 'common/Types';\nimport { stringFromCodePoint } from 'common/input/TextDecoder';\nimport { CHAR_DATA_CHAR_INDEX, CHAR_DATA_WIDTH_INDEX, CHAR_DATA_ATTR_INDEX, Content } from 'common/buffer/Constants';\nimport { AttributeData } from 'common/buffer/AttributeData';\n\n/**\n * CellData - represents a single Cell in the terminal buffer.\n */\nexport class CellData extends AttributeData implements ICellData {\n /** Helper to create CellData from CharData. */\n public static fromCharData(value: CharData): CellData {\n const obj = new CellData();\n obj.setFromCharData(value);\n return obj;\n }\n /** Primitives from terminal buffer. */\n public content: number = 0;\n public fg: number = 0;\n public bg: number = 0;\n public combinedData: string = '';\n /** Whether cell contains a combined string. */\n public isCombined(): number {\n return this.content & Content.IS_COMBINED_MASK;\n }\n /** Width of the cell. */\n public getWidth(): number {\n return this.content >> Content.WIDTH_SHIFT;\n }\n /** JS string of the content. */\n public getChars(): string {\n if (this.content & Content.IS_COMBINED_MASK) {\n return this.combinedData;\n }\n if (this.content & Content.CODEPOINT_MASK) {\n return stringFromCodePoint(this.content & Content.CODEPOINT_MASK);\n }\n return '';\n }\n /**\n * Codepoint of cell\n * Note this returns the UTF32 codepoint of single chars,\n * if content is a combined string it returns the codepoint\n * of the last char in string to be in line with code in CharData.\n * */\n public getCode(): number {\n return (this.isCombined())\n ? this.combinedData.charCodeAt(this.combinedData.length - 1)\n : this.content & Content.CODEPOINT_MASK;\n }\n /** Set data from CharData */\n public setFromCharData(value: CharData): void {\n this.fg = value[CHAR_DATA_ATTR_INDEX];\n this.bg = 0;\n let combined = false;\n // surrogates and combined strings need special treatment\n if (value[CHAR_DATA_CHAR_INDEX].length > 2) {\n combined = true;\n }\n else if (value[CHAR_DATA_CHAR_INDEX].length === 2) {\n const code = value[CHAR_DATA_CHAR_INDEX].charCodeAt(0);\n // if the 2-char string is a surrogate create single codepoint\n // everything else is combined\n if (0xD800 <= code && code <= 0xDBFF) {\n const second = value[CHAR_DATA_CHAR_INDEX].charCodeAt(1);\n if (0xDC00 <= second && second <= 0xDFFF) {\n this.content = ((code - 0xD800) * 0x400 + second - 0xDC00 + 0x10000) | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT);\n }\n else {\n combined = true;\n }\n }\n else {\n combined = true;\n }\n }\n else {\n this.content = value[CHAR_DATA_CHAR_INDEX].charCodeAt(0) | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT);\n }\n if (combined) {\n this.combinedData = value[CHAR_DATA_CHAR_INDEX];\n this.content = Content.IS_COMBINED_MASK | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT);\n }\n }\n /** Get data as CharData. */\n public getAsCharData(): CharData {\n return [this.fg, this.getChars(), this.getWidth(), this.getCode()];\n }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IAttributeData, IColorRGB } from 'common/Types';\nimport { Attributes, FgFlags, BgFlags } from 'common/buffer/Constants';\n\nexport class AttributeData implements IAttributeData {\n static toColorRGB(value: number): IColorRGB {\n return [\n value >>> Attributes.RED_SHIFT & 255,\n value >>> Attributes.GREEN_SHIFT & 255,\n value & 255\n ];\n }\n static fromColorRGB(value: IColorRGB): number {\n return (value[0] & 255) << Attributes.RED_SHIFT | (value[1] & 255) << Attributes.GREEN_SHIFT | value[2] & 255;\n }\n\n public clone(): IAttributeData {\n const newObj = new AttributeData();\n newObj.fg = this.fg;\n newObj.bg = this.bg;\n return newObj;\n }\n\n // data\n public fg: number = 0;\n public bg: number = 0;\n\n // flags\n public isInverse(): number { return this.fg & FgFlags.INVERSE; }\n public isBold(): number { return this.fg & FgFlags.BOLD; }\n public isUnderline(): number { return this.fg & FgFlags.UNDERLINE; }\n public isBlink(): number { return this.fg & FgFlags.BLINK; }\n public isInvisible(): number { return this.fg & FgFlags.INVISIBLE; }\n public isItalic(): number { return this.bg & BgFlags.ITALIC; }\n public isDim(): number { return this.bg & BgFlags.DIM; }\n\n // color modes\n public getFgColorMode(): number { return this.fg & Attributes.CM_MASK; }\n public getBgColorMode(): number { return this.bg & Attributes.CM_MASK; }\n public isFgRGB(): boolean { return (this.fg & Attributes.CM_MASK) === Attributes.CM_RGB; }\n public isBgRGB(): boolean { return (this.bg & Attributes.CM_MASK) === Attributes.CM_RGB; }\n public isFgPalette(): boolean { return (this.fg & Attributes.CM_MASK) === Attributes.CM_P16 || (this.fg & Attributes.CM_MASK) === Attributes.CM_P256; }\n public isBgPalette(): boolean { return (this.bg & Attributes.CM_MASK) === Attributes.CM_P16 || (this.bg & Attributes.CM_MASK) === Attributes.CM_P256; }\n public isFgDefault(): boolean { return (this.fg & Attributes.CM_MASK) === 0; }\n public isBgDefault(): boolean { return (this.bg & Attributes.CM_MASK) === 0; }\n\n // colors\n public getFgColor(): number {\n switch (this.fg & Attributes.CM_MASK) {\n case Attributes.CM_P16:\n case Attributes.CM_P256: return this.fg & Attributes.PCOLOR_MASK;\n case Attributes.CM_RGB: return this.fg & Attributes.RGB_MASK;\n default: return -1; // CM_DEFAULT defaults to -1\n }\n }\n public getBgColor(): number {\n switch (this.bg & Attributes.CM_MASK) {\n case Attributes.CM_P16:\n case Attributes.CM_P256: return this.bg & Attributes.PCOLOR_MASK;\n case Attributes.CM_RGB: return this.bg & Attributes.RGB_MASK;\n default: return -1; // CM_DEFAULT defaults to -1\n }\n }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IDisposable } from 'common/Types';\n\n/**\n * Adds a disposable listener to a node in the DOM, returning the disposable.\n * @param type The event type.\n * @param handler The handler for the listener.\n */\nexport function addDisposableDomListener(\n node: Element | Window | Document,\n type: string,\n handler: (e: any) => void,\n useCapture?: boolean\n): IDisposable {\n node.addEventListener(type, handler, useCapture);\n return {\n dispose: () => {\n if (!handler) {\n // Already disposed\n return;\n }\n node.removeEventListener(type, handler, useCapture);\n }\n };\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\n/**\n * Polyfill - Convert UTF32 codepoint into JS string.\n * Note: The built-in String.fromCodePoint happens to be much slower\n * due to additional sanity checks. We can avoid them since\n * we always operate on legal UTF32 (granted by the input decoders)\n * and use this faster version instead.\n */\nexport function stringFromCodePoint(codePoint: number): string {\n if (codePoint > 0xFFFF) {\n codePoint -= 0x10000;\n return String.fromCharCode((codePoint >> 10) + 0xD800) + String.fromCharCode((codePoint % 0x400) + 0xDC00);\n }\n return String.fromCharCode(codePoint);\n}\n\n/**\n * Convert UTF32 char codes into JS string.\n * Basically the same as `stringFromCodePoint` but for multiple codepoints\n * in a loop (which is a lot faster).\n */\nexport function utf32ToString(data: Uint32Array, start: number = 0, end: number = data.length): string {\n let result = '';\n for (let i = start; i < end; ++i) {\n let codepoint = data[i];\n if (codepoint > 0xFFFF) {\n // JS strings are encoded as UTF16, thus a non BMP codepoint gets converted into a surrogate pair\n // conversion rules:\n // - subtract 0x10000 from code point, leaving a 20 bit number\n // - add high 10 bits to 0xD800 --> first surrogate\n // - add low 10 bits to 0xDC00 --> second surrogate\n codepoint -= 0x10000;\n result += String.fromCharCode((codepoint >> 10) + 0xD800) + String.fromCharCode((codepoint % 0x400) + 0xDC00);\n } else {\n result += String.fromCharCode(codepoint);\n }\n }\n return result;\n}\n\n/**\n * StringToUtf32 - decodes UTF16 sequences into UTF32 codepoints.\n * To keep the decoder in line with JS strings it handles single surrogates as UCS2.\n */\nexport class StringToUtf32 {\n private _interim: number = 0;\n\n /**\n * Clears interim and resets decoder to clean state.\n */\n public clear(): void {\n this._interim = 0;\n }\n\n /**\n * Decode JS string to UTF32 codepoints.\n * The methods assumes stream input and will store partly transmitted\n * surrogate pairs and decode them with the next data chunk.\n * Note: The method does no bound checks for target, therefore make sure\n * the provided input data does not exceed the size of `target`.\n * Returns the number of written codepoints in `target`.\n */\n decode(input: string, target: Uint32Array): number {\n const length = input.length;\n\n if (!length) {\n return 0;\n }\n\n let size = 0;\n let startPos = 0;\n\n // handle leftover surrogate high\n if (this._interim) {\n const second = input.charCodeAt(startPos++);\n if (0xDC00 <= second && second <= 0xDFFF) {\n target[size++] = (this._interim - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;\n } else {\n // illegal codepoint (USC2 handling)\n target[size++] = this._interim;\n target[size++] = second;\n }\n this._interim = 0;\n }\n\n for (let i = startPos; i < length; ++i) {\n const code = input.charCodeAt(i);\n // surrogate pair first\n if (0xD800 <= code && code <= 0xDBFF) {\n if (++i >= length) {\n this._interim = code;\n return size;\n }\n const second = input.charCodeAt(i);\n if (0xDC00 <= second && second <= 0xDFFF) {\n target[size++] = (code - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;\n } else {\n // illegal codepoint (USC2 handling)\n target[size++] = code;\n target[size++] = second;\n }\n continue;\n }\n target[size++] = code;\n }\n return size;\n }\n}\n\n/**\n * Utf8Decoder - decodes UTF8 byte sequences into UTF32 codepoints.\n */\nexport class Utf8ToUtf32 {\n public interim: Uint8Array = new Uint8Array(3);\n\n /**\n * Clears interim bytes and resets decoder to clean state.\n */\n public clear(): void {\n this.interim.fill(0);\n }\n\n /**\n * Decodes UTF8 byte sequences in `input` to UTF32 codepoints in `target`.\n * The methods assumes stream input and will store partly transmitted bytes\n * and decode them with the next data chunk.\n * Note: The method does no bound checks for target, therefore make sure\n * the provided data chunk does not exceed the size of `target`.\n * Returns the number of written codepoints in `target`.\n */\n decode(input: Uint8Array, target: Uint32Array): number {\n const length = input.length;\n\n if (!length) {\n return 0;\n }\n\n let size = 0;\n let byte1: number;\n let byte2: number;\n let byte3: number;\n let byte4: number;\n let codepoint = 0;\n let startPos = 0;\n\n // handle leftover bytes\n if (this.interim[0]) {\n let discardInterim = false;\n let cp = this.interim[0];\n cp &= ((((cp & 0xE0) === 0xC0)) ? 0x1F : (((cp & 0xF0) === 0xE0)) ? 0x0F : 0x07);\n let pos = 0;\n let tmp: number;\n while ((tmp = this.interim[++pos] & 0x3F) && pos < 4) {\n cp <<= 6;\n cp |= tmp;\n }\n // missing bytes - read ahead from input\n const type = (((this.interim[0] & 0xE0) === 0xC0)) ? 2 : (((this.interim[0] & 0xF0) === 0xE0)) ? 3 : 4;\n const missing = type - pos;\n while (startPos < missing) {\n if (startPos >= length) {\n return 0;\n }\n tmp = input[startPos++];\n if ((tmp & 0xC0) !== 0x80) {\n // wrong continuation, discard interim bytes completely\n startPos--;\n discardInterim = true;\n break;\n } else {\n // need to save so we can continue short inputs in next call\n this.interim[pos++] = tmp;\n cp <<= 6;\n cp |= tmp & 0x3F;\n }\n }\n if (!discardInterim) {\n // final test is type dependent\n if (type === 2) {\n if (cp < 0x80) {\n // wrong starter byte\n startPos--;\n } else {\n target[size++] = cp;\n }\n } else if (type === 3) {\n if (cp < 0x0800 || (cp >= 0xD800 && cp <= 0xDFFF)) {\n // illegal codepoint\n } else {\n target[size++] = cp;\n }\n } else {\n if (cp < 0x010000 || cp > 0x10FFFF) {\n // illegal codepoint\n } else {\n target[size++] = cp;\n }\n }\n }\n this.interim.fill(0);\n }\n\n // loop through input\n const fourStop = length - 4;\n let i = startPos;\n while (i < length) {\n /**\n * ASCII shortcut with loop unrolled to 4 consecutive ASCII chars.\n * This is a compromise between speed gain for ASCII\n * and penalty for non ASCII:\n * For best ASCII performance the char should be stored directly into target,\n * but even a single attempt to write to target and compare afterwards\n * penalizes non ASCII really bad (-50%), thus we load the char into byteX first,\n * which reduces ASCII performance by ~15%.\n * This trial for ASCII reduces non ASCII performance by ~10% which seems acceptible\n * compared to the gains.\n * Note that this optimization only takes place for 4 consecutive ASCII chars,\n * for any shorter it bails out. Worst case - all 4 bytes being read but\n * thrown away due to the last being a non ASCII char (-10% performance).\n */\n while (i < fourStop\n && !((byte1 = input[i]) & 0x80)\n && !((byte2 = input[i + 1]) & 0x80)\n && !((byte3 = input[i + 2]) & 0x80)\n && !((byte4 = input[i + 3]) & 0x80))\n {\n target[size++] = byte1;\n target[size++] = byte2;\n target[size++] = byte3;\n target[size++] = byte4;\n i += 4;\n }\n\n // reread byte1\n byte1 = input[i++];\n\n // 1 byte\n if (byte1 < 0x80) {\n target[size++] = byte1;\n\n // 2 bytes\n } else if ((byte1 & 0xE0) === 0xC0) {\n if (i >= length) {\n this.interim[0] = byte1;\n return size;\n }\n byte2 = input[i++];\n if ((byte2 & 0xC0) !== 0x80) {\n // wrong continuation\n i--;\n continue;\n }\n codepoint = (byte1 & 0x1F) << 6 | (byte2 & 0x3F);\n if (codepoint < 0x80) {\n // wrong starter byte\n i--;\n continue;\n }\n target[size++] = codepoint;\n\n // 3 bytes\n } else if ((byte1 & 0xF0) === 0xE0) {\n if (i >= length) {\n this.interim[0] = byte1;\n return size;\n }\n byte2 = input[i++];\n if ((byte2 & 0xC0) !== 0x80) {\n // wrong continuation\n i--;\n continue;\n }\n if (i >= length) {\n this.interim[0] = byte1;\n this.interim[1] = byte2;\n return size;\n }\n byte3 = input[i++];\n if ((byte3 & 0xC0) !== 0x80) {\n // wrong continuation\n i--;\n continue;\n }\n codepoint = (byte1 & 0x0F) << 12 | (byte2 & 0x3F) << 6 | (byte3 & 0x3F);\n if (codepoint < 0x0800 || (codepoint >= 0xD800 && codepoint <= 0xDFFF)) {\n // illegal codepoint, no i-- here\n continue;\n }\n target[size++] = codepoint;\n\n // 4 bytes\n } else if ((byte1 & 0xF8) === 0xF0) {\n if (i >= length) {\n this.interim[0] = byte1;\n return size;\n }\n byte2 = input[i++];\n if ((byte2 & 0xC0) !== 0x80) {\n // wrong continuation\n i--;\n continue;\n }\n if (i >= length) {\n this.interim[0] = byte1;\n this.interim[1] = byte2;\n return size;\n }\n byte3 = input[i++];\n if ((byte3 & 0xC0) !== 0x80) {\n // wrong continuation\n i--;\n continue;\n }\n if (i >= length) {\n this.interim[0] = byte1;\n this.interim[1] = byte2;\n this.interim[2] = byte3;\n return size;\n }\n byte4 = input[i++];\n if ((byte4 & 0xC0) !== 0x80) {\n // wrong continuation\n i--;\n continue;\n }\n codepoint = (byte1 & 0x07) << 18 | (byte2 & 0x3F) << 12 | (byte3 & 0x3F) << 6 | (byte4 & 0x3F);\n if (codepoint < 0x010000 || codepoint > 0x10FFFF) {\n // illegal codepoint, no i-- here\n continue;\n }\n target[size++] = codepoint;\n } else {\n // illegal byte, just skip\n }\n }\n return size;\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nexport const INVERTED_DEFAULT_COLOR = 257;\nexport const DIM_OPACITY = 0.5;\n\nexport const CHAR_ATLAS_CELL_SPACING = 1;\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IColor } from 'browser/Types';\n\nexport function blend(bg: IColor, fg: IColor): IColor {\n const a = (fg.rgba & 0xFF) / 255;\n if (a === 1) {\n return {\n css: fg.css,\n rgba: fg.rgba\n };\n }\n const fgR = (fg.rgba >> 24) & 0xFF;\n const fgG = (fg.rgba >> 16) & 0xFF;\n const fgB = (fg.rgba >> 8) & 0xFF;\n const bgR = (bg.rgba >> 24) & 0xFF;\n const bgG = (bg.rgba >> 16) & 0xFF;\n const bgB = (bg.rgba >> 8) & 0xFF;\n const r = bgR + Math.round((fgR - bgR) * a);\n const g = bgG + Math.round((fgG - bgG) * a);\n const b = bgB + Math.round((fgB - bgB) * a);\n const css = toCss(r, g, b);\n const rgba = toRgba(r, g, b);\n return { css, rgba };\n}\n\nexport function fromCss(css: string): IColor {\n return {\n css,\n rgba: (parseInt(css.slice(1), 16) << 8 | 0xFF) >>> 0\n };\n}\n\nexport function toPaddedHex(c: number): string {\n const s = c.toString(16);\n return s.length < 2 ? '0' + s : s;\n}\n\nexport function toCss(r: number, g: number, b: number, a?: number): string {\n if (a !== undefined) {\n return `#${toPaddedHex(r)}${toPaddedHex(g)}${toPaddedHex(b)}${toPaddedHex(a)}`;\n }\n return `#${toPaddedHex(r)}${toPaddedHex(g)}${toPaddedHex(b)}`;\n}\n\nexport function toRgba(r: number, g: number, b: number, a: number = 0xFF): number {\n // >>> 0 forces an unsigned int\n return (r << 24 | g << 16 | b << 8 | a) >>> 0;\n}\n\nexport function fromRgba(value: number): [number, number, number, number] {\n return [(value >> 24) & 0xFF, (value >> 16) & 0xFF, (value >> 8) & 0xFF, value & 0xFF];\n}\n\nexport function opaque(color: IColor): IColor {\n const rgba = (color.rgba | 0xFF) >>> 0;\n const [r, g, b] = fromRgba(rgba);\n return {\n css: toCss(r, g, b),\n rgba\n };\n}\n\n/**\n * Gets the relative luminance of an RGB color, this is useful in determining the contrast ratio\n * between two colors.\n * @param rgb The color to use.\n * @see https://www.w3.org/TR/WCAG20/#relativeluminancedef\n */\nexport function rgbRelativeLuminance(rgb: number): number {\n return rgbRelativeLuminance2(\n (rgb >> 16) & 0xFF,\n (rgb >> 8 ) & 0xFF,\n (rgb ) & 0xFF);\n}\n\n/**\n * Gets the relative luminance of an RGB color, this is useful in determining the contrast ratio\n * between two colors.\n * @param r The red channel (0x00 to 0xFF).\n * @param g The green channel (0x00 to 0xFF).\n * @param b The blue channel (0x00 to 0xFF).\n * @see https://www.w3.org/TR/WCAG20/#relativeluminancedef\n */\nexport function rgbRelativeLuminance2(r: number, g: number, b: number): number {\n const rs = r / 255;\n const gs = g / 255;\n const bs = b / 255;\n const rr = rs <= 0.03928 ? rs / 12.92 : Math.pow((rs + 0.055) / 1.055, 2.4);\n const rg = gs <= 0.03928 ? gs / 12.92 : Math.pow((gs + 0.055) / 1.055, 2.4);\n const rb = bs <= 0.03928 ? bs / 12.92 : Math.pow((bs + 0.055) / 1.055, 2.4);\n return rr * 0.2126 + rg * 0.7152 + rb * 0.0722;\n}\n\n/**\n * Gets the contrast ratio between two relative luminance values.\n * @param l1 The first relative luminance.\n * @param l2 The first relative luminance.\n * @see https://www.w3.org/TR/WCAG20/#contrast-ratiodef\n */\nexport function contrastRatio(l1: number, l2: number): number {\n if (l1 < l2) {\n return (l2 + 0.05) / (l1 + 0.05);\n }\n return (l1 + 0.05) / (l2 + 0.05);\n}\n\nexport function rgbaToColor(r: number, g: number, b: number): IColor {\n return {\n css: toCss(r, g, b),\n rgba: toRgba(r, g, b)\n };\n}\n\nexport function ensureContrastRatioRgba(bgRgba: number, fgRgba: number, ratio: number): number | undefined {\n const bgL = rgbRelativeLuminance(bgRgba >> 8);\n const fgL = rgbRelativeLuminance(fgRgba >> 8);\n const cr = contrastRatio(bgL, fgL);\n if (cr < ratio) {\n if (fgL < bgL) {\n return reduceLuminance(bgRgba, fgRgba, ratio);\n }\n return increaseLuminance(bgRgba, fgRgba, ratio);\n }\n return undefined;\n}\n\nexport function ensureContrastRatio(bg: IColor, fg: IColor, ratio: number): IColor | undefined {\n const result = ensureContrastRatioRgba(bg.rgba, fg.rgba, ratio);\n if (!result) {\n return undefined;\n }\n return rgbaToColor(\n (result >> 24 & 0xFF),\n (result >> 16 & 0xFF),\n (result >> 8 & 0xFF)\n );\n}\n\nexport function reduceLuminance(bgRgba: number, fgRgba: number, ratio: number): number {\n // This is a naive but fast approach to reducing luminance as converting to\n // HSL and back is expensive\n const bgR = (bgRgba >> 24) & 0xFF;\n const bgG = (bgRgba >> 16) & 0xFF;\n const bgB = (bgRgba >> 8) & 0xFF;\n let fgR = (fgRgba >> 24) & 0xFF;\n let fgG = (fgRgba >> 16) & 0xFF;\n let fgB = (fgRgba >> 8) & 0xFF;\n let cr = contrastRatio(rgbRelativeLuminance2(fgR, fgB, fgG), rgbRelativeLuminance2(bgR, bgG, bgB));\n while (cr < ratio && (fgR > 0 || fgG > 0 || fgB > 0)) {\n // Reduce by 10% until the ratio is hit\n fgR -= Math.max(0, Math.ceil(fgR * 0.1));\n fgG -= Math.max(0, Math.ceil(fgG * 0.1));\n fgB -= Math.max(0, Math.ceil(fgB * 0.1));\n cr = contrastRatio(rgbRelativeLuminance2(fgR, fgB, fgG), rgbRelativeLuminance2(bgR, bgG, bgB));\n }\n return (fgR << 24 | fgG << 16 | fgB << 8 | 0xFF) >>> 0;\n}\n\nexport function increaseLuminance(bgRgba: number, fgRgba: number, ratio: number): number {\n // This is a naive but fast approach to increasing luminance as converting to\n // HSL and back is expensive\n const bgR = (bgRgba >> 24) & 0xFF;\n const bgG = (bgRgba >> 16) & 0xFF;\n const bgB = (bgRgba >> 8) & 0xFF;\n let fgR = (fgRgba >> 24) & 0xFF;\n let fgG = (fgRgba >> 16) & 0xFF;\n let fgB = (fgRgba >> 8) & 0xFF;\n let cr = contrastRatio(rgbRelativeLuminance2(fgR, fgB, fgG), rgbRelativeLuminance2(bgR, bgG, bgB));\n while (cr < ratio && (fgR < 0xFF || fgG < 0xFF || fgB < 0xFF)) {\n // Increase by 10% until the ratio is hit\n fgR = Math.min(0xFF, fgR + Math.ceil((255 - fgR) * 0.1));\n fgG = Math.min(0xFF, fgG + Math.ceil((255 - fgG) * 0.1));\n fgB = Math.min(0xFF, fgB + Math.ceil((255 - fgB) * 0.1));\n cr = contrastRatio(rgbRelativeLuminance2(fgR, fgB, fgG), rgbRelativeLuminance2(bgR, bgG, bgB));\n }\n return (fgR << 24 | fgG << 16 | fgB << 8 | 0xFF) >>> 0;\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\ninterface INavigator {\n userAgent: string;\n language: string;\n platform: string;\n}\n\n// We're declaring a navigator global here as we expect it in all runtimes (node and browser), but\n// we want this module to live in common.\ndeclare const navigator: INavigator;\n\nconst isNode = (typeof navigator === 'undefined') ? true : false;\nconst userAgent = (isNode) ? 'node' : navigator.userAgent;\nconst platform = (isNode) ? 'node' : navigator.platform;\n\nexport const isFirefox = !!~userAgent.indexOf('Firefox');\nexport const isSafari = /^((?!chrome|android).)*safari/i.test(userAgent);\n\n// Find the users platform. We use this to interpret the meta key\n// and ISO third level shifts.\n// http://stackoverflow.com/q/19877924/577598\nexport const isMac = contains(['Macintosh', 'MacIntel', 'MacPPC', 'Mac68K'], platform);\nexport const isIpad = platform === 'iPad';\nexport const isIphone = platform === 'iPhone';\nexport const isWindows = contains(['Windows', 'Win16', 'Win32', 'WinCE'], platform);\nexport const isLinux = platform.indexOf('Linux') >= 0;\n\n/**\n * Return if the given array contains the given element\n * @param arr The array to search for the given element.\n * @param el The element to look for into the array\n */\nfunction contains(arr: any[], el: any): boolean {\n return arr.indexOf(el) >= 0;\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\n/**\n * C0 control codes\n * See = https://en.wikipedia.org/wiki/C0_and_C1_control_codes\n */\nexport namespace C0 {\n /** Null (Caret = ^@, C = \\0) */\n export const NUL = '\\x00';\n /** Start of Heading (Caret = ^A) */\n export const SOH = '\\x01';\n /** Start of Text (Caret = ^B) */\n export const STX = '\\x02';\n /** End of Text (Caret = ^C) */\n export const ETX = '\\x03';\n /** End of Transmission (Caret = ^D) */\n export const EOT = '\\x04';\n /** Enquiry (Caret = ^E) */\n export const ENQ = '\\x05';\n /** Acknowledge (Caret = ^F) */\n export const ACK = '\\x06';\n /** Bell (Caret = ^G, C = \\a) */\n export const BEL = '\\x07';\n /** Backspace (Caret = ^H, C = \\b) */\n export const BS = '\\x08';\n /** Character Tabulation, Horizontal Tabulation (Caret = ^I, C = \\t) */\n export const HT = '\\x09';\n /** Line Feed (Caret = ^J, C = \\n) */\n export const LF = '\\x0a';\n /** Line Tabulation, Vertical Tabulation (Caret = ^K, C = \\v) */\n export const VT = '\\x0b';\n /** Form Feed (Caret = ^L, C = \\f) */\n export const FF = '\\x0c';\n /** Carriage Return (Caret = ^M, C = \\r) */\n export const CR = '\\x0d';\n /** Shift Out (Caret = ^N) */\n export const SO = '\\x0e';\n /** Shift In (Caret = ^O) */\n export const SI = '\\x0f';\n /** Data Link Escape (Caret = ^P) */\n export const DLE = '\\x10';\n /** Device Control One (XON) (Caret = ^Q) */\n export const DC1 = '\\x11';\n /** Device Control Two (Caret = ^R) */\n export const DC2 = '\\x12';\n /** Device Control Three (XOFF) (Caret = ^S) */\n export const DC3 = '\\x13';\n /** Device Control Four (Caret = ^T) */\n export const DC4 = '\\x14';\n /** Negative Acknowledge (Caret = ^U) */\n export const NAK = '\\x15';\n /** Synchronous Idle (Caret = ^V) */\n export const SYN = '\\x16';\n /** End of Transmission Block (Caret = ^W) */\n export const ETB = '\\x17';\n /** Cancel (Caret = ^X) */\n export const CAN = '\\x18';\n /** End of Medium (Caret = ^Y) */\n export const EM = '\\x19';\n /** Substitute (Caret = ^Z) */\n export const SUB = '\\x1a';\n /** Escape (Caret = ^[, C = \\e) */\n export const ESC = '\\x1b';\n /** File Separator (Caret = ^\\) */\n export const FS = '\\x1c';\n /** Group Separator (Caret = ^]) */\n export const GS = '\\x1d';\n /** Record Separator (Caret = ^^) */\n export const RS = '\\x1e';\n /** Unit Separator (Caret = ^_) */\n export const US = '\\x1f';\n /** Space */\n export const SP = '\\x20';\n /** Delete (Caret = ^?) */\n export const DEL = '\\x7f';\n}\n\n/**\n * C1 control codes\n * See = https://en.wikipedia.org/wiki/C0_and_C1_control_codes\n */\nexport namespace C1 {\n /** padding character */\n export const PAD = '\\x80';\n /** High Octet Preset */\n export const HOP = '\\x81';\n /** Break Permitted Here */\n export const BPH = '\\x82';\n /** No Break Here */\n export const NBH = '\\x83';\n /** Index */\n export const IND = '\\x84';\n /** Next Line */\n export const NEL = '\\x85';\n /** Start of Selected Area */\n export const SSA = '\\x86';\n /** End of Selected Area */\n export const ESA = '\\x87';\n /** Horizontal Tabulation Set */\n export const HTS = '\\x88';\n /** Horizontal Tabulation With Justification */\n export const HTJ = '\\x89';\n /** Vertical Tabulation Set */\n export const VTS = '\\x8a';\n /** Partial Line Down */\n export const PLD = '\\x8b';\n /** Partial Line Up */\n export const PLU = '\\x8c';\n /** Reverse Index */\n export const RI = '\\x8d';\n /** Single-Shift 2 */\n export const SS2 = '\\x8e';\n /** Single-Shift 3 */\n export const SS3 = '\\x8f';\n /** Device Control String */\n export const DCS = '\\x90';\n /** Private Use 1 */\n export const PU1 = '\\x91';\n /** Private Use 2 */\n export const PU2 = '\\x92';\n /** Set Transmit State */\n export const STS = '\\x93';\n /** Destructive backspace, intended to eliminate ambiguity about meaning of BS. */\n export const CCH = '\\x94';\n /** Message Waiting */\n export const MW = '\\x95';\n /** Start of Protected Area */\n export const SPA = '\\x96';\n /** End of Protected Area */\n export const EPA = '\\x97';\n /** Start of String */\n export const SOS = '\\x98';\n /** Single Graphic Character Introducer */\n export const SGCI = '\\x99';\n /** Single Character Introducer */\n export const SCI = '\\x9a';\n /** Control Sequence Introducer */\n export const CSI = '\\x9b';\n /** String Terminator */\n export const ST = '\\x9c';\n /** Operating System Command */\n export const OSC = '\\x9d';\n /** Privacy Message */\n export const PM = '\\x9e';\n /** Application Program Command */\n export const APC = '\\x9f';\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IRenderDimensions, IRenderLayer } from 'browser/renderer/Types';\nimport { ICellData } from 'common/Types';\nimport { DEFAULT_COLOR, WHITESPACE_CELL_CHAR, WHITESPACE_CELL_CODE, Attributes } from 'common/buffer/Constants';\nimport { IGlyphIdentifier } from 'browser/renderer/atlas/Types';\nimport { DIM_OPACITY, INVERTED_DEFAULT_COLOR } from 'browser/renderer/atlas/Constants';\nimport { BaseCharAtlas } from 'browser/renderer/atlas/BaseCharAtlas';\nimport { acquireCharAtlas } from 'browser/renderer/atlas/CharAtlasCache';\nimport { AttributeData } from 'common/buffer/AttributeData';\nimport { IColorSet, IColor } from 'browser/Types';\nimport { CellData } from 'common/buffer/CellData';\nimport { IBufferService, IOptionsService } from 'common/services/Services';\nimport { throwIfFalsy } from 'browser/renderer/RendererUtils';\nimport { toCss, ensureContrastRatioRgba, opaque } from 'browser/Color';\n\nexport abstract class BaseRenderLayer implements IRenderLayer {\n private _canvas: HTMLCanvasElement;\n protected _ctx!: CanvasRenderingContext2D;\n private _scaledCharWidth: number = 0;\n private _scaledCharHeight: number = 0;\n private _scaledCellWidth: number = 0;\n private _scaledCellHeight: number = 0;\n private _scaledCharLeft: number = 0;\n private _scaledCharTop: number = 0;\n\n protected _charAtlas: BaseCharAtlas | undefined;\n\n /**\n * An object that's reused when drawing glyphs in order to reduce GC.\n */\n private _currentGlyphIdentifier: IGlyphIdentifier = {\n chars: '',\n code: 0,\n bg: 0,\n fg: 0,\n bold: false,\n dim: false,\n italic: false\n };\n\n constructor(\n private _container: HTMLElement,\n id: string,\n zIndex: number,\n private _alpha: boolean,\n protected _colors: IColorSet,\n private _rendererId: number,\n protected readonly _bufferService: IBufferService,\n protected readonly _optionsService: IOptionsService\n ) {\n this._canvas = document.createElement('canvas');\n this._canvas.classList.add(`xterm-${id}-layer`);\n this._canvas.style.zIndex = zIndex.toString();\n this._initCanvas();\n this._container.appendChild(this._canvas);\n }\n\n public dispose(): void {\n this._container.removeChild(this._canvas);\n this._charAtlas?.dispose();\n }\n\n private _initCanvas(): void {\n this._ctx = throwIfFalsy(this._canvas.getContext('2d', {alpha: this._alpha}));\n // Draw the background if this is an opaque layer\n if (!this._alpha) {\n this._clearAll();\n }\n }\n\n public onOptionsChanged(): void {}\n public onBlur(): void {}\n public onFocus(): void {}\n public onCursorMove(): void {}\n public onGridChanged(startRow: number, endRow: number): void {}\n public onSelectionChanged(start: [number, number], end: [number, number], columnSelectMode: boolean = false): void {}\n\n public setColors(colorSet: IColorSet): void {\n this._refreshCharAtlas(colorSet);\n }\n\n protected _setTransparency(alpha: boolean): void {\n // Do nothing when alpha doesn't change\n if (alpha === this._alpha) {\n return;\n }\n\n // Create new canvas and replace old one\n const oldCanvas = this._canvas;\n this._alpha = alpha;\n // Cloning preserves properties\n this._canvas = <HTMLCanvasElement>this._canvas.cloneNode();\n this._initCanvas();\n this._container.replaceChild(this._canvas, oldCanvas);\n\n // Regenerate char atlas and force a full redraw\n this._refreshCharAtlas(this._colors);\n this.onGridChanged(0, this._bufferService.rows - 1);\n }\n\n /**\n * Refreshes the char atlas, aquiring a new one if necessary.\n * @param colorSet The color set to use for the char atlas.\n */\n private _refreshCharAtlas(colorSet: IColorSet): void {\n if (this._scaledCharWidth <= 0 && this._scaledCharHeight <= 0) {\n return;\n }\n this._charAtlas = acquireCharAtlas(this._optionsService.options, this._rendererId, colorSet, this._scaledCharWidth, this._scaledCharHeight);\n this._charAtlas.warmUp();\n }\n\n public resize(dim: IRenderDimensions): void {\n this._scaledCellWidth = dim.scaledCellWidth;\n this._scaledCellHeight = dim.scaledCellHeight;\n this._scaledCharWidth = dim.scaledCharWidth;\n this._scaledCharHeight = dim.scaledCharHeight;\n this._scaledCharLeft = dim.scaledCharLeft;\n this._scaledCharTop = dim.scaledCharTop;\n this._canvas.width = dim.scaledCanvasWidth;\n this._canvas.height = dim.scaledCanvasHeight;\n this._canvas.style.width = `${dim.canvasWidth}px`;\n this._canvas.style.height = `${dim.canvasHeight}px`;\n\n // Draw the background if this is an opaque layer\n if (!this._alpha) {\n this._clearAll();\n }\n\n this._refreshCharAtlas(this._colors);\n }\n\n public abstract reset(): void;\n\n /**\n * Fills 1+ cells completely. This uses the existing fillStyle on the context.\n * @param x The column to start at.\n * @param y The row to start at\n * @param width The number of columns to fill.\n * @param height The number of rows to fill.\n */\n protected _fillCells(x: number, y: number, width: number, height: number): void {\n this._ctx.fillRect(\n x * this._scaledCellWidth,\n y * this._scaledCellHeight,\n width * this._scaledCellWidth,\n height * this._scaledCellHeight);\n }\n\n /**\n * Fills a 1px line (2px on HDPI) at the bottom of the cell. This uses the\n * existing fillStyle on the context.\n * @param x The column to fill.\n * @param y The row to fill.\n */\n protected _fillBottomLineAtCells(x: number, y: number, width: number = 1): void {\n this._ctx.fillRect(\n x * this._scaledCellWidth,\n (y + 1) * this._scaledCellHeight - window.devicePixelRatio - 1 /* Ensure it's drawn within the cell */,\n width * this._scaledCellWidth,\n window.devicePixelRatio);\n }\n\n /**\n * Fills a 1px line (2px on HDPI) at the left of the cell. This uses the\n * existing fillStyle on the context.\n * @param x The column to fill.\n * @param y The row to fill.\n */\n protected _fillLeftLineAtCell(x: number, y: number): void {\n this._ctx.fillRect(\n x * this._scaledCellWidth,\n y * this._scaledCellHeight,\n window.devicePixelRatio,\n this._scaledCellHeight);\n }\n\n /**\n * Strokes a 1px rectangle (2px on HDPI) around a cell. This uses the existing\n * strokeStyle on the context.\n * @param x The column to fill.\n * @param y The row to fill.\n */\n protected _strokeRectAtCell(x: number, y: number, width: number, height: number): void {\n this._ctx.lineWidth = window.devicePixelRatio;\n this._ctx.strokeRect(\n x * this._scaledCellWidth + window.devicePixelRatio / 2,\n y * this._scaledCellHeight + (window.devicePixelRatio / 2),\n width * this._scaledCellWidth - window.devicePixelRatio,\n (height * this._scaledCellHeight) - window.devicePixelRatio);\n }\n\n /**\n * Clears the entire canvas.\n */\n protected _clearAll(): void {\n if (this._alpha) {\n this._ctx.clearRect(0, 0, this._canvas.width, this._canvas.height);\n } else {\n this._ctx.fillStyle = this._colors.background.css;\n this._ctx.fillRect(0, 0, this._canvas.width, this._canvas.height);\n }\n }\n\n /**\n * Clears 1+ cells completely.\n * @param x The column to start at.\n * @param y The row to start at.\n * @param width The number of columns to clear.\n * @param height The number of rows to clear.\n */\n protected _clearCells(x: number, y: number, width: number, height: number): void {\n if (this._alpha) {\n this._ctx.clearRect(\n x * this._scaledCellWidth,\n y * this._scaledCellHeight,\n width * this._scaledCellWidth,\n height * this._scaledCellHeight);\n } else {\n this._ctx.fillStyle = this._colors.background.css;\n this._ctx.fillRect(\n x * this._scaledCellWidth,\n y * this._scaledCellHeight,\n width * this._scaledCellWidth,\n height * this._scaledCellHeight);\n }\n }\n\n /**\n * Draws a truecolor character at the cell. The character will be clipped to\n * ensure that it fits with the cell, including the cell to the right if it's\n * a wide character. This uses the existing fillStyle on the context.\n * @param cell The cell data for the character to draw.\n * @param x The column to draw at.\n * @param y The row to draw at.\n * @param color The color of the character.\n */\n protected _fillCharTrueColor(cell: CellData, x: number, y: number): void {\n this._ctx.font = this._getFont(false, false);\n this._ctx.textBaseline = 'middle';\n this._clipRow(y);\n this._ctx.fillText(\n cell.getChars(),\n x * this._scaledCellWidth + this._scaledCharLeft,\n y * this._scaledCellHeight + this._scaledCharTop + this._scaledCharHeight / 2);\n }\n\n /**\n * Draws one or more characters at a cell. If possible this will draw using\n * the character atlas to reduce draw time.\n * @param chars The character or characters.\n * @param code The character code.\n * @param width The width of the characters.\n * @param x The column to draw at.\n * @param y The row to draw at.\n * @param fg The foreground color, in the format stored within the attributes.\n * @param bg The background color, in the format stored within the attributes.\n * This is used to validate whether a cached image can be used.\n * @param bold Whether the text is bold.\n */\n protected _drawChars(cell: ICellData, x: number, y: number): void {\n const contrastColor = this._getContrastColor(cell);\n\n // skip cache right away if we draw in RGB\n // Note: to avoid bad runtime JoinedCellData will be skipped\n // in the cache handler itself (atlasDidDraw == false) and\n // fall through to uncached later down below\n if (contrastColor || cell.isFgRGB() || cell.isBgRGB()) {\n this._drawUncachedChars(cell, x, y, contrastColor);\n return;\n }\n\n let fg;\n let bg;\n if (cell.isInverse()) {\n fg = (cell.isBgDefault()) ? INVERTED_DEFAULT_COLOR : cell.getBgColor();\n bg = (cell.isFgDefault()) ? INVERTED_DEFAULT_COLOR : cell.getFgColor();\n } else {\n bg = (cell.isBgDefault()) ? DEFAULT_COLOR : cell.getBgColor();\n fg = (cell.isFgDefault()) ? DEFAULT_COLOR : cell.getFgColor();\n }\n\n const drawInBrightColor = this._optionsService.options.drawBoldTextInBrightColors && cell.isBold() && fg < 8;\n\n fg += drawInBrightColor ? 8 : 0;\n this._currentGlyphIdentifier.chars = cell.getChars() || WHITESPACE_CELL_CHAR;\n this._currentGlyphIdentifier.code = cell.getCode() || WHITESPACE_CELL_CODE;\n this._currentGlyphIdentifier.bg = bg;\n this._currentGlyphIdentifier.fg = fg;\n this._currentGlyphIdentifier.bold = !!cell.isBold();\n this._currentGlyphIdentifier.dim = !!cell.isDim();\n this._currentGlyphIdentifier.italic = !!cell.isItalic();\n const atlasDidDraw = this._charAtlas && this._charAtlas.draw(\n this._ctx,\n this._currentGlyphIdentifier,\n x * this._scaledCellWidth + this._scaledCharLeft,\n y * this._scaledCellHeight + this._scaledCharTop\n );\n\n if (!atlasDidDraw) {\n this._drawUncachedChars(cell, x, y);\n }\n }\n\n /**\n * Draws one or more characters at one or more cells. The character(s) will be\n * clipped to ensure that they fit with the cell(s), including the cell to the\n * right if the last character is a wide character.\n * @param chars The character.\n * @param width The width of the character.\n * @param fg The foreground color, in the format stored within the attributes.\n * @param x The column to draw at.\n * @param y The row to draw at.\n */\n private _drawUncachedChars(cell: ICellData, x: number, y: number, fgOverride?: IColor): void {\n this._ctx.save();\n this._ctx.font = this._getFont(!!cell.isBold(), !!cell.isItalic());\n this._ctx.textBaseline = 'middle';\n\n if (cell.isInverse()) {\n if (fgOverride) {\n this._ctx.fillStyle = fgOverride.css;\n } else if (cell.isBgDefault()) {\n this._ctx.fillStyle = opaque(this._colors.background).css;\n } else if (cell.isBgRGB()) {\n this._ctx.fillStyle = `rgb(${AttributeData.toColorRGB(cell.getBgColor()).join(',')})`;\n } else {\n let bg = cell.getBgColor();\n if (this._optionsService.options.drawBoldTextInBrightColors && cell.isBold() && bg < 8) {\n bg += 8;\n }\n this._ctx.fillStyle = this._colors.ansi[bg].css;\n }\n } else {\n if (fgOverride) {\n this._ctx.fillStyle = fgOverride.css;\n } else if (cell.isFgDefault()) {\n this._ctx.fillStyle = this._colors.foreground.css;\n } else if (cell.isFgRGB()) {\n this._ctx.fillStyle = `rgb(${AttributeData.toColorRGB(cell.getFgColor()).join(',')})`;\n } else {\n let fg = cell.getFgColor();\n if (this._optionsService.options.drawBoldTextInBrightColors && cell.isBold() && fg < 8) {\n fg += 8;\n }\n this._ctx.fillStyle = this._colors.ansi[fg].css;\n }\n }\n\n this._clipRow(y);\n\n // Apply alpha to dim the character\n if (cell.isDim()) {\n this._ctx.globalAlpha = DIM_OPACITY;\n }\n // Draw the character\n this._ctx.fillText(\n cell.getChars(),\n x * this._scaledCellWidth + this._scaledCharLeft,\n y * this._scaledCellHeight + this._scaledCharTop + this._scaledCharHeight / 2);\n this._ctx.restore();\n }\n\n /**\n * Clips a row to ensure no pixels will be drawn outside the cells in the row.\n * @param y The row to clip.\n */\n private _clipRow(y: number): void {\n this._ctx.beginPath();\n this._ctx.rect(\n 0,\n y * this._scaledCellHeight,\n this._bufferService.cols * this._scaledCellWidth,\n this._scaledCellHeight);\n this._ctx.clip();\n }\n\n /**\n * Gets the current font.\n * @param isBold If we should use the bold fontWeight.\n */\n protected _getFont(isBold: boolean, isItalic: boolean): string {\n const fontWeight = isBold ? this._optionsService.options.fontWeightBold : this._optionsService.options.fontWeight;\n const fontStyle = isItalic ? 'italic' : '';\n\n return `${fontStyle} ${fontWeight} ${this._optionsService.options.fontSize * window.devicePixelRatio}px ${this._optionsService.options.fontFamily}`;\n }\n\n private _getContrastColor(cell: CellData): IColor | undefined {\n if (this._optionsService.options.minimumContrastRatio === 1) {\n return undefined;\n }\n\n // Try get from cache first\n const adjustedColor = this._colors.contrastCache.getColor(cell.bg, cell.fg);\n if (adjustedColor !== undefined) {\n return adjustedColor || undefined;\n }\n\n let fgColor = cell.getFgColor();\n let fgColorMode = cell.getFgColorMode();\n let bgColor = cell.getBgColor();\n let bgColorMode = cell.getBgColorMode();\n const isInverse = !!cell.isInverse();\n const isBold = !!cell.isInverse();\n if (isInverse) {\n const temp = fgColor;\n fgColor = bgColor;\n bgColor = temp;\n const temp2 = fgColorMode;\n fgColorMode = bgColorMode;\n bgColorMode = temp2;\n }\n\n const bgRgba = this._resolveBackgroundRgba(bgColorMode, bgColor, isInverse);\n const fgRgba = this._resolveForegroundRgba(fgColorMode, fgColor, isInverse, isBold);\n const result = ensureContrastRatioRgba(bgRgba, fgRgba, this._optionsService.options.minimumContrastRatio);\n\n if (!result) {\n this._colors.contrastCache.setColor(cell.bg, cell.fg, null);\n return undefined;\n }\n\n const color: IColor = {\n css: toCss(\n (result >> 24) & 0xFF,\n (result >> 16) & 0xFF,\n (result >> 8) & 0xFF\n ),\n rgba: result\n };\n this._colors.contrastCache.setColor(cell.bg, cell.fg, color);\n\n return color;\n }\n\n private _resolveBackgroundRgba(bgColorMode: number, bgColor: number, inverse: boolean): number {\n switch (bgColorMode) {\n case Attributes.CM_P16:\n case Attributes.CM_P256:\n return this._colors.ansi[bgColor].rgba;\n case Attributes.CM_RGB:\n return bgColor << 8;\n case Attributes.CM_DEFAULT:\n default:\n if (inverse) {\n return this._colors.foreground.rgba;\n }\n return this._colors.background.rgba;\n }\n }\n\n private _resolveForegroundRgba(fgColorMode: number, fgColor: number, inverse: boolean, bold: boolean): number {\n switch (fgColorMode) {\n case Attributes.CM_P16:\n case Attributes.CM_P256:\n if (this._optionsService.options.drawBoldTextInBrightColors && bold && fgColor < 8) {\n fgColor += 8;\n }\n return this._colors.ansi[fgColor].rgba;\n case Attributes.CM_RGB:\n return fgColor << 8;\n case Attributes.CM_DEFAULT:\n default:\n if (inverse) {\n return this._colors.background.rgba;\n }\n return this._colors.foreground.rgba;\n }\n }\n}\n\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n *\n * This was heavily inspired from microsoft/vscode's dependency injection system (MIT).\n */\n/*---------------------------------------------------------------------------------------------\n * Copyright (c) Microsoft Corporation. All rights reserved.\n * Licensed under the MIT License. See License.txt in the project root for license information.\n *--------------------------------------------------------------------------------------------*/\n\nimport { IServiceIdentifier } from 'common/services/Services';\n\nconst DI_TARGET = 'di$target';\nconst DI_DEPENDENCIES = 'di$dependencies';\n\nexport const serviceRegistry: Map<string, IServiceIdentifier<any>> = new Map();\n\nexport function getServiceDependencies(ctor: any): { id: IServiceIdentifier<any>, index: number, optional: boolean }[] {\n return ctor[DI_DEPENDENCIES] || [];\n}\n\nexport function createDecorator<T>(id: string): IServiceIdentifier<T> {\n if (serviceRegistry.has(id)) {\n return serviceRegistry.get(id)!;\n }\n\n const decorator = <any>function (target: Function, key: string, index: number): any {\n if (arguments.length !== 3) {\n throw new Error('@IServiceName-decorator can only be used to decorate a parameter');\n }\n\n storeServiceDependency(decorator, target, index);\n };\n\n decorator.toString = () => id;\n\n serviceRegistry.set(id, decorator);\n return decorator;\n}\n\nfunction storeServiceDependency(id: Function, target: Function, index: number): void {\n if ((target as any)[DI_TARGET] === target) {\n (target as any)[DI_DEPENDENCIES].push({ id, index });\n } else {\n (target as any)[DI_DEPENDENCIES] = [{ id, index }];\n (target as any)[DI_TARGET] = target;\n }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nexport type TypedArray = Uint8Array | Uint16Array | Uint32Array | Uint8ClampedArray\n | Int8Array | Int16Array | Int32Array\n | Float32Array | Float64Array;\n\n\n/**\n * polyfill for TypedArray.fill\n * This is needed to support .fill in all safari versions and IE 11.\n */\nexport function fill<T extends TypedArray>(array: T, value: number, start?: number, end?: number): T {\n // all modern engines that support .fill\n if (array.fill) {\n return array.fill(value, start, end) as T;\n }\n return fillFallback(array, value, start, end);\n}\n\nexport function fillFallback<T extends TypedArray>(array: T, value: number, start: number = 0, end: number = array.length): T {\n // safari and IE 11\n // since IE 11 does not support Array.prototype.fill either\n // we cannot use the suggested polyfill from MDN\n // instead we simply fall back to looping\n if (start >= array.length) {\n return array;\n }\n start = (array.length + start) % array.length;\n if (end >= array.length) {\n end = array.length;\n } else {\n end = (array.length + end) % array.length;\n }\n for (let i = start; i < end; ++i) {\n array[i] = value;\n }\n return array;\n}\n\n/**\n * Concat two typed arrays `a` and `b`.\n * Returns a new typed array.\n */\nexport function concat<T extends TypedArray>(a: T, b: T): T {\n const result = new (a.constructor as any)(a.length + b.length);\n result.set(a);\n result.set(b, a.length);\n return result;\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { CharData, IBufferLine, ICellData } from 'common/Types';\nimport { stringFromCodePoint } from 'common/input/TextDecoder';\nimport { CHAR_DATA_CHAR_INDEX, CHAR_DATA_WIDTH_INDEX, CHAR_DATA_ATTR_INDEX, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE, WHITESPACE_CELL_CHAR, Content } from 'common/buffer/Constants';\nimport { CellData } from 'common/buffer/CellData';\nimport { AttributeData } from 'common/buffer/AttributeData';\n\n/**\n * buffer memory layout:\n *\n * | uint32_t | uint32_t | uint32_t |\n * | `content` | `FG` | `BG` |\n * | wcwidth(2) comb(1) codepoint(21) | flags(8) R(8) G(8) B(8) | flags(8) R(8) G(8) B(8) |\n */\n\n\n/** typed array slots taken by one cell */\nconst CELL_SIZE = 3;\n\n/**\n * Cell member indices.\n *\n * Direct access:\n * `content = data[column * CELL_SIZE + Cell.CONTENT];`\n * `fg = data[column * CELL_SIZE + Cell.FG];`\n * `bg = data[column * CELL_SIZE + Cell.BG];`\n */\nconst enum Cell {\n CONTENT = 0,\n FG = 1, // currently simply holds all known attrs\n BG = 2 // currently unused\n}\n\nexport const DEFAULT_ATTR_DATA = Object.freeze(new AttributeData());\n\n/**\n * Typed array based bufferline implementation.\n *\n * There are 2 ways to insert data into the cell buffer:\n * - `setCellFromCodepoint` + `addCodepointToCell`\n * Use these for data that is already UTF32.\n * Used during normal input in `InputHandler` for faster buffer access.\n * - `setCell`\n * This method takes a CellData object and stores the data in the buffer.\n * Use `CellData.fromCharData` to create the CellData object (e.g. from JS string).\n *\n * To retrieve data from the buffer use either one of the primitive methods\n * (if only one particular value is needed) or `loadCell`. For `loadCell` in a loop\n * memory allocs / GC pressure can be greatly reduced by reusing the CellData object.\n */\nexport class BufferLine implements IBufferLine {\n protected _data: Uint32Array;\n protected _combined: {[index: number]: string} = {};\n public length: number;\n\n constructor(cols: number, fillCellData?: ICellData, public isWrapped: boolean = false) {\n this._data = new Uint32Array(cols * CELL_SIZE);\n const cell = fillCellData || CellData.fromCharData([0, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]);\n for (let i = 0; i < cols; ++i) {\n this.setCell(i, cell);\n }\n this.length = cols;\n }\n\n /**\n * Get cell data CharData.\n * @deprecated\n */\n public get(index: number): CharData {\n const content = this._data[index * CELL_SIZE + Cell.CONTENT];\n const cp = content & Content.CODEPOINT_MASK;\n return [\n this._data[index * CELL_SIZE + Cell.FG],\n (content & Content.IS_COMBINED_MASK)\n ? this._combined[index]\n : (cp) ? stringFromCodePoint(cp) : '',\n content >> Content.WIDTH_SHIFT,\n (content & Content.IS_COMBINED_MASK)\n ? this._combined[index].charCodeAt(this._combined[index].length - 1)\n : cp\n ];\n }\n\n /**\n * Set cell data from CharData.\n * @deprecated\n */\n public set(index: number, value: CharData): void {\n this._data[index * CELL_SIZE + Cell.FG] = value[CHAR_DATA_ATTR_INDEX];\n if (value[CHAR_DATA_CHAR_INDEX].length > 1) {\n this._combined[index] = value[1];\n this._data[index * CELL_SIZE + Cell.CONTENT] = index | Content.IS_COMBINED_MASK | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT);\n } else {\n this._data[index * CELL_SIZE + Cell.CONTENT] = value[CHAR_DATA_CHAR_INDEX].charCodeAt(0) | (value[CHAR_DATA_WIDTH_INDEX] << Content.WIDTH_SHIFT);\n }\n }\n\n /**\n * primitive getters\n * use these when only one value is needed, otherwise use `loadCell`\n */\n public getWidth(index: number): number {\n return this._data[index * CELL_SIZE + Cell.CONTENT] >> Content.WIDTH_SHIFT;\n }\n\n /** Test whether content has width. */\n public hasWidth(index: number): number {\n return this._data[index * CELL_SIZE + Cell.CONTENT] & Content.WIDTH_MASK;\n }\n\n /** Get FG cell component. */\n public getFg(index: number): number {\n return this._data[index * CELL_SIZE + Cell.FG];\n }\n\n /** Get BG cell component. */\n public getBg(index: number): number {\n return this._data[index * CELL_SIZE + Cell.BG];\n }\n\n /**\n * Test whether contains any chars.\n * Basically an empty has no content, but other cells might differ in FG/BG\n * from real empty cells.\n * */\n public hasContent(index: number): number {\n return this._data[index * CELL_SIZE + Cell.CONTENT] & Content.HAS_CONTENT_MASK;\n }\n\n /**\n * Get codepoint of the cell.\n * To be in line with `code` in CharData this either returns\n * a single UTF32 codepoint or the last codepoint of a combined string.\n */\n public getCodePoint(index: number): number {\n const content = this._data[index * CELL_SIZE + Cell.CONTENT];\n if (content & Content.IS_COMBINED_MASK) {\n return this._combined[index].charCodeAt(this._combined[index].length - 1);\n }\n return content & Content.CODEPOINT_MASK;\n }\n\n /** Test whether the cell contains a combined string. */\n public isCombined(index: number): number {\n return this._data[index * CELL_SIZE + Cell.CONTENT] & Content.IS_COMBINED_MASK;\n }\n\n /** Returns the string content of the cell. */\n public getString(index: number): string {\n const content = this._data[index * CELL_SIZE + Cell.CONTENT];\n if (content & Content.IS_COMBINED_MASK) {\n return this._combined[index];\n }\n if (content & Content.CODEPOINT_MASK) {\n return stringFromCodePoint(content & Content.CODEPOINT_MASK);\n }\n // return empty string for empty cells\n return '';\n }\n\n /**\n * Load data at `index` into `cell`. This is used to access cells in a way that's more friendly\n * to GC as it significantly reduced the amount of new objects/references needed.\n */\n public loadCell(index: number, cell: ICellData): ICellData {\n const startIndex = index * CELL_SIZE;\n cell.content = this._data[startIndex + Cell.CONTENT];\n cell.fg = this._data[startIndex + Cell.FG];\n cell.bg = this._data[startIndex + Cell.BG];\n if (cell.content & Content.IS_COMBINED_MASK) {\n cell.combinedData = this._combined[index];\n }\n return cell;\n }\n\n /**\n * Set data at `index` to `cell`.\n */\n public setCell(index: number, cell: ICellData): void {\n if (cell.content & Content.IS_COMBINED_MASK) {\n this._combined[index] = cell.combinedData;\n }\n this._data[index * CELL_SIZE + Cell.CONTENT] = cell.content;\n this._data[index * CELL_SIZE + Cell.FG] = cell.fg;\n this._data[index * CELL_SIZE + Cell.BG] = cell.bg;\n }\n\n /**\n * Set cell data from input handler.\n * Since the input handler see the incoming chars as UTF32 codepoints,\n * it gets an optimized access method.\n */\n public setCellFromCodePoint(index: number, codePoint: number, width: number, fg: number, bg: number): void {\n this._data[index * CELL_SIZE + Cell.CONTENT] = codePoint | (width << Content.WIDTH_SHIFT);\n this._data[index * CELL_SIZE + Cell.FG] = fg;\n this._data[index * CELL_SIZE + Cell.BG] = bg;\n }\n\n /**\n * Add a codepoint to a cell from input handler.\n * During input stage combining chars with a width of 0 follow and stack\n * onto a leading char. Since we already set the attrs\n * by the previous `setDataFromCodePoint` call, we can omit it here.\n */\n public addCodepointToCell(index: number, codePoint: number): void {\n let content = this._data[index * CELL_SIZE + Cell.CONTENT];\n if (content & Content.IS_COMBINED_MASK) {\n // we already have a combined string, simply add\n this._combined[index] += stringFromCodePoint(codePoint);\n } else {\n if (content & Content.CODEPOINT_MASK) {\n // normal case for combining chars:\n // - move current leading char + new one into combined string\n // - set combined flag\n this._combined[index] = stringFromCodePoint(content & Content.CODEPOINT_MASK) + stringFromCodePoint(codePoint);\n content &= ~Content.CODEPOINT_MASK; // set codepoint in buffer to 0\n content |= Content.IS_COMBINED_MASK;\n } else {\n // should not happen - we actually have no data in the cell yet\n // simply set the data in the cell buffer with a width of 1\n content = codePoint | (1 << Content.WIDTH_SHIFT);\n }\n this._data[index * CELL_SIZE + Cell.CONTENT] = content;\n }\n }\n\n public insertCells(pos: number, n: number, fillCellData: ICellData): void {\n pos %= this.length;\n if (n < this.length - pos) {\n const cell = new CellData();\n for (let i = this.length - pos - n - 1; i >= 0; --i) {\n this.setCell(pos + n + i, this.loadCell(pos + i, cell));\n }\n for (let i = 0; i < n; ++i) {\n this.setCell(pos + i, fillCellData);\n }\n } else {\n for (let i = pos; i < this.length; ++i) {\n this.setCell(i, fillCellData);\n }\n }\n }\n\n public deleteCells(pos: number, n: number, fillCellData: ICellData): void {\n pos %= this.length;\n if (n < this.length - pos) {\n const cell = new CellData();\n for (let i = 0; i < this.length - pos - n; ++i) {\n this.setCell(pos + i, this.loadCell(pos + n + i, cell));\n }\n for (let i = this.length - n; i < this.length; ++i) {\n this.setCell(i, fillCellData);\n }\n } else {\n for (let i = pos; i < this.length; ++i) {\n this.setCell(i, fillCellData);\n }\n }\n }\n\n public replaceCells(start: number, end: number, fillCellData: ICellData): void {\n while (start < end && start < this.length) {\n this.setCell(start++, fillCellData);\n }\n }\n\n public resize(cols: number, fillCellData: ICellData): void {\n if (cols === this.length) {\n return;\n }\n if (cols > this.length) {\n const data = new Uint32Array(cols * CELL_SIZE);\n if (this.length) {\n if (cols * CELL_SIZE < this._data.length) {\n data.set(this._data.subarray(0, cols * CELL_SIZE));\n } else {\n data.set(this._data);\n }\n }\n this._data = data;\n for (let i = this.length; i < cols; ++i) {\n this.setCell(i, fillCellData);\n }\n } else {\n if (cols) {\n const data = new Uint32Array(cols * CELL_SIZE);\n data.set(this._data.subarray(0, cols * CELL_SIZE));\n this._data = data;\n // Remove any cut off combined data\n const keys = Object.keys(this._combined);\n for (let i = 0; i < keys.length; i++) {\n const key = parseInt(keys[i], 10);\n if (key >= cols) {\n delete this._combined[key];\n }\n }\n } else {\n this._data = new Uint32Array(0);\n this._combined = {};\n }\n }\n this.length = cols;\n }\n\n /** fill a line with fillCharData */\n public fill(fillCellData: ICellData): void {\n this._combined = {};\n for (let i = 0; i < this.length; ++i) {\n this.setCell(i, fillCellData);\n }\n }\n\n /** alter to a full copy of line */\n public copyFrom(line: BufferLine): void {\n if (this.length !== line.length) {\n this._data = new Uint32Array(line._data);\n } else {\n // use high speed copy if lengths are equal\n this._data.set(line._data);\n }\n this.length = line.length;\n this._combined = {};\n for (const el in line._combined) {\n this._combined[el] = line._combined[el];\n }\n this.isWrapped = line.isWrapped;\n }\n\n /** create a new clone */\n public clone(): IBufferLine {\n const newLine = new BufferLine(0);\n newLine._data = new Uint32Array(this._data);\n newLine.length = this.length;\n for (const el in this._combined) {\n newLine._combined[el] = this._combined[el];\n }\n newLine.isWrapped = this.isWrapped;\n return newLine;\n }\n\n public getTrimmedLength(): number {\n for (let i = this.length - 1; i >= 0; --i) {\n if ((this._data[i * CELL_SIZE + Cell.CONTENT] & Content.HAS_CONTENT_MASK)) {\n return i + (this._data[i * CELL_SIZE + Cell.CONTENT] >> Content.WIDTH_SHIFT);\n }\n }\n return 0;\n }\n\n public copyCellsFrom(src: BufferLine, srcCol: number, destCol: number, length: number, applyInReverse: boolean): void {\n const srcData = src._data;\n if (applyInReverse) {\n for (let cell = length - 1; cell >= 0; cell--) {\n for (let i = 0; i < CELL_SIZE; i++) {\n this._data[(destCol + cell) * CELL_SIZE + i] = srcData[(srcCol + cell) * CELL_SIZE + i];\n }\n }\n } else {\n for (let cell = 0; cell < length; cell++) {\n for (let i = 0; i < CELL_SIZE; i++) {\n this._data[(destCol + cell) * CELL_SIZE + i] = srcData[(srcCol + cell) * CELL_SIZE + i];\n }\n }\n }\n\n // Move any combined data over as needed\n const srcCombinedKeys = Object.keys(src._combined);\n for (let i = 0; i < srcCombinedKeys.length; i++) {\n const key = parseInt(srcCombinedKeys[i], 10);\n if (key >= srcCol) {\n this._combined[key - srcCol + destCol] = src._combined[key];\n }\n }\n }\n\n public translateToString(trimRight: boolean = false, startCol: number = 0, endCol: number = this.length): string {\n if (trimRight) {\n endCol = Math.min(endCol, this.getTrimmedLength());\n }\n let result = '';\n while (startCol < endCol) {\n const content = this._data[startCol * CELL_SIZE + Cell.CONTENT];\n const cp = content & Content.CODEPOINT_MASK;\n result += (content & Content.IS_COMBINED_MASK) ? this._combined[startCol] : (cp) ? stringFromCodePoint(cp) : WHITESPACE_CELL_CHAR;\n startCol += (content >> Content.WIDTH_SHIFT) || 1; // always advance by 1\n }\n return result;\n }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nexport let promptLabel = 'Terminal input';\nexport let tooMuchOutput = 'Too much output to announce, navigate to rows manually to read';\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ICharset } from 'common/Types';\n\n/**\n * The character sets supported by the terminal. These enable several languages\n * to be represented within the terminal with only 8-bit encoding. See ISO 2022\n * for a discussion on character sets. Only VT100 character sets are supported.\n */\nexport const CHARSETS: { [key: string]: ICharset | null } = {};\n\n/**\n * The default character set, US.\n */\nexport const DEFAULT_CHARSET: ICharset | null = CHARSETS['B'];\n\n/**\n * DEC Special Character and Line Drawing Set.\n * Reference: http://vt100.net/docs/vt102-ug/table5-13.html\n * A lot of curses apps use this if they see TERM=xterm.\n * testing: echo -e '\\e(0a\\e(B'\n * The xterm output sometimes seems to conflict with the\n * reference above. xterm seems in line with the reference\n * when running vttest however.\n * The table below now uses xterm's output from vttest.\n */\nCHARSETS['0'] = {\n '`': '\\u25c6', // '◆'\n 'a': '\\u2592', // '▒'\n 'b': '\\u0009', // '\\t'\n 'c': '\\u000c', // '\\f'\n 'd': '\\u000d', // '\\r'\n 'e': '\\u000a', // '\\n'\n 'f': '\\u00b0', // '°'\n 'g': '\\u00b1', // '±'\n 'h': '\\u2424', // '\\u2424' (NL)\n 'i': '\\u000b', // '\\v'\n 'j': '\\u2518', // '┘'\n 'k': '\\u2510', // '┐'\n 'l': '\\u250c', // '┌'\n 'm': '\\u2514', // '└'\n 'n': '\\u253c', // '┼'\n 'o': '\\u23ba', // '⎺'\n 'p': '\\u23bb', // '⎻'\n 'q': '\\u2500', // '─'\n 'r': '\\u23bc', // '⎼'\n 's': '\\u23bd', // '⎽'\n 't': '\\u251c', // '├'\n 'u': '\\u2524', // '┤'\n 'v': '\\u2534', // '┴'\n 'w': '\\u252c', // '┬'\n 'x': '\\u2502', // '│'\n 'y': '\\u2264', // '≤'\n 'z': '\\u2265', // '≥'\n '{': '\\u03c0', // 'π'\n '|': '\\u2260', // '≠'\n '}': '\\u00a3', // '£'\n '~': '\\u00b7' // '·'\n};\n\n/**\n * British character set\n * ESC (A\n * Reference: http://vt100.net/docs/vt220-rm/table2-5.html\n */\nCHARSETS['A'] = {\n '#': '£'\n};\n\n/**\n * United States character set\n * ESC (B\n */\nCHARSETS['B'] = null;\n\n/**\n * Dutch character set\n * ESC (4\n * Reference: http://vt100.net/docs/vt220-rm/table2-6.html\n */\nCHARSETS['4'] = {\n '#': '£',\n '@': '¾',\n '[': 'ij',\n '\\\\': '½',\n ']': '|',\n '{': '¨',\n '|': 'f',\n '}': '¼',\n '~': '´'\n};\n\n/**\n * Finnish character set\n * ESC (C or ESC (5\n * Reference: http://vt100.net/docs/vt220-rm/table2-7.html\n */\nCHARSETS['C'] =\nCHARSETS['5'] = {\n '[': 'Ä',\n '\\\\': 'Ö',\n ']': 'Å',\n '^': 'Ü',\n '`': 'é',\n '{': 'ä',\n '|': 'ö',\n '}': 'å',\n '~': 'ü'\n};\n\n/**\n * French character set\n * ESC (R\n * Reference: http://vt100.net/docs/vt220-rm/table2-8.html\n */\nCHARSETS['R'] = {\n '#': '£',\n '@': 'à',\n '[': '°',\n '\\\\': 'ç',\n ']': '§',\n '{': 'é',\n '|': 'ù',\n '}': 'è',\n '~': '¨'\n};\n\n/**\n * French Canadian character set\n * ESC (Q\n * Reference: http://vt100.net/docs/vt220-rm/table2-9.html\n */\nCHARSETS['Q'] = {\n '@': 'à',\n '[': 'â',\n '\\\\': 'ç',\n ']': 'ê',\n '^': 'î',\n '`': 'ô',\n '{': 'é',\n '|': 'ù',\n '}': 'è',\n '~': 'û'\n};\n\n/**\n * German character set\n * ESC (K\n * Reference: http://vt100.net/docs/vt220-rm/table2-10.html\n */\nCHARSETS['K'] = {\n '@': '§',\n '[': 'Ä',\n '\\\\': 'Ö',\n ']': 'Ü',\n '{': 'ä',\n '|': 'ö',\n '}': 'ü',\n '~': 'ß'\n};\n\n/**\n * Italian character set\n * ESC (Y\n * Reference: http://vt100.net/docs/vt220-rm/table2-11.html\n */\nCHARSETS['Y'] = {\n '#': '£',\n '@': '§',\n '[': '°',\n '\\\\': 'ç',\n ']': 'é',\n '`': 'ù',\n '{': 'à',\n '|': 'ò',\n '}': 'è',\n '~': 'ì'\n};\n\n/**\n * Norwegian/Danish character set\n * ESC (E or ESC (6\n * Reference: http://vt100.net/docs/vt220-rm/table2-12.html\n */\nCHARSETS['E'] =\nCHARSETS['6'] = {\n '@': 'Ä',\n '[': 'Æ',\n '\\\\': 'Ø',\n ']': 'Å',\n '^': 'Ü',\n '`': 'ä',\n '{': 'æ',\n '|': 'ø',\n '}': 'å',\n '~': 'ü'\n};\n\n/**\n * Spanish character set\n * ESC (Z\n * Reference: http://vt100.net/docs/vt220-rm/table2-13.html\n */\nCHARSETS['Z'] = {\n '#': '£',\n '@': '§',\n '[': '¡',\n '\\\\': 'Ñ',\n ']': '¿',\n '{': '°',\n '|': 'ñ',\n '}': 'ç'\n};\n\n/**\n * Swedish character set\n * ESC (H or ESC (7\n * Reference: http://vt100.net/docs/vt220-rm/table2-14.html\n */\nCHARSETS['H'] =\nCHARSETS['7'] = {\n '@': 'É',\n '[': 'Ä',\n '\\\\': 'Ö',\n ']': 'Å',\n '^': 'Ü',\n '`': 'é',\n '{': 'ä',\n '|': 'ö',\n '}': 'å',\n '~': 'ü'\n};\n\n/**\n * Swiss character set\n * ESC (=\n * Reference: http://vt100.net/docs/vt220-rm/table2-15.html\n */\nCHARSETS['='] = {\n '#': 'ù',\n '@': 'à',\n '[': 'é',\n '\\\\': 'ç',\n ']': 'ê',\n '^': 'î',\n '_': 'è',\n '`': 'ô',\n '{': 'ä',\n '|': 'ö',\n '}': 'ü',\n '~': 'û'\n};\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { fill } from 'common/TypedArrayUtils';\n\nexport const wcwidth = (function(opts: {nul: number, control: number}): (ucs: number) => number {\n // extracted from https://www.cl.cam.ac.uk/%7Emgk25/ucs/wcwidth.c\n // combining characters\n const COMBINING_BMP = [\n [0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],\n [0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],\n [0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],\n [0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],\n [0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],\n [0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],\n [0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],\n [0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],\n [0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],\n [0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],\n [0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],\n [0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],\n [0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],\n [0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],\n [0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],\n [0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],\n [0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],\n [0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],\n [0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],\n [0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],\n [0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],\n [0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],\n [0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],\n [0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],\n [0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],\n [0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],\n [0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],\n [0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],\n [0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],\n [0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],\n [0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],\n [0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],\n [0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],\n [0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],\n [0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],\n [0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],\n [0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],\n [0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],\n [0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],\n [0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],\n [0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],\n [0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],\n [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB]\n ];\n const COMBINING_HIGH = [\n [0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],\n [0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],\n [0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],\n [0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],\n [0xE0100, 0xE01EF]\n ];\n // binary search\n function bisearch(ucs: number, data: number[][]): boolean {\n let min = 0;\n let max = data.length - 1;\n let mid;\n if (ucs < data[0][0] || ucs > data[max][1]) {\n return false;\n }\n while (max >= min) {\n mid = (min + max) >> 1;\n if (ucs > data[mid][1]) {\n min = mid + 1;\n } else if (ucs < data[mid][0]) {\n max = mid - 1;\n } else {\n return true;\n }\n }\n return false;\n }\n function wcwidthHigh(ucs: number): 0 | 1 | 2 {\n if (bisearch(ucs, COMBINING_HIGH)) {\n return 0;\n }\n if ((ucs >= 0x20000 && ucs <= 0x2fffd) || (ucs >= 0x30000 && ucs <= 0x3fffd)) {\n return 2;\n }\n return 1;\n }\n const control = opts.control | 0;\n\n // create lookup table for BMP plane\n const table = new Uint8Array(65536);\n fill(table, 1);\n table[0] = opts.nul;\n // control chars\n fill(table, opts.control, 1, 32);\n fill(table, opts.control, 0x7f, 0xa0);\n\n // apply wide char rules first\n // wide chars\n fill(table, 2, 0x1100, 0x1160);\n table[0x2329] = 2;\n table[0x232a] = 2;\n fill(table, 2, 0x2e80, 0xa4d0);\n table[0x303f] = 1; // wrongly in last line\n\n fill(table, 2, 0xac00, 0xd7a4);\n fill(table, 2, 0xf900, 0xfb00);\n fill(table, 2, 0xfe10, 0xfe1a);\n fill(table, 2, 0xfe30, 0xfe70);\n fill(table, 2, 0xff00, 0xff61);\n fill(table, 2, 0xffe0, 0xffe7);\n\n // apply combining last to ensure we overwrite\n // wrongly wide set chars:\n // the original algo evals combining first and falls\n // through to wide check so we simply do here the opposite\n // combining 0\n for (let r = 0; r < COMBINING_BMP.length; ++r) {\n fill(table, 0, COMBINING_BMP[r][0], COMBINING_BMP[r][1] + 1);\n }\n\n return function (num: number): number {\n if (num < 32) {\n return control | 0;\n }\n if (num < 127) {\n return 1;\n }\n if (num < 65536) {\n return table[num];\n }\n // do a full search for high codepoints\n return wcwidthHigh(num);\n };\n})({nul: 0, control: 0}); // configurable options\n\n/**\n * Get the terminal cell width for a string.\n */\nexport function getStringCellWidth(s: string): number {\n let result = 0;\n const length = s.length;\n for (let i = 0; i < length; ++i) {\n let code = s.charCodeAt(i);\n // surrogate pair first\n if (0xD800 <= code && code <= 0xDBFF) {\n if (++i >= length) {\n // this should not happen with strings retrieved from\n // Buffer.translateToString as it converts from UTF-32\n // and therefore always should contain the second part\n // for any other string we still have to handle it somehow:\n // simply treat the lonely surrogate first as a single char (UCS-2 behavior)\n return result + wcwidth(code);\n }\n const second = s.charCodeAt(i);\n // convert surrogate pair to high codepoint only for valid second part (UTF-16)\n // otherwise treat them independently (UCS-2 behavior)\n if (0xDC00 <= second && second <= 0xDFFF) {\n code = (code - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;\n } else {\n result += wcwidth(second);\n }\n }\n result += wcwidth(code);\n }\n return result;\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\nimport { IParams, ParamsArray } from 'common/parser/Types';\n\n// max value supported for a single param/subparam (clamped to positive int32 range)\nconst MAX_VALUE = 0x7FFFFFFF;\n// max allowed subparams for a single sequence (hardcoded limitation)\nconst MAX_SUBPARAMS = 256;\n\n/**\n * Params storage class.\n * This type is used by the parser to accumulate sequence parameters and sub parameters\n * and transmit them to the input handler actions.\n *\n * NOTES:\n * - params object for action handlers is borrowed, use `.toArray` or `.clone` to get a copy\n * - never read beyond `params.length - 1` (likely to contain arbitrary data)\n * - `.getSubParams` returns a borrowed typed array, use `.getSubParamsAll` for cloned sub params\n * - hardcoded limitations:\n * - max. value for a single (sub) param is 2^31 - 1 (greater values are clamped to that)\n * - max. 256 sub params possible\n * - negative values are not allowed beside -1 (placeholder for default value)\n *\n * About ZDM (Zero Default Mode):\n * ZDM is not orchestrated by this class. If the parser is in ZDM,\n * it should add 0 for empty params, otherwise -1. This does not apply\n * to subparams, empty subparams should always be added with -1.\n */\nexport class Params implements IParams {\n // params store and length\n public params: Int32Array;\n public length: number;\n\n // sub params store and length\n protected _subParams: Int32Array;\n protected _subParamsLength: number;\n\n // sub params offsets from param: param idx --> [start, end] offset\n private _subParamsIdx: Uint16Array;\n private _rejectDigits: boolean;\n private _rejectSubDigits: boolean;\n private _digitIsSub: boolean;\n\n /**\n * Create a `Params` type from JS array representation.\n */\n public static fromArray(values: ParamsArray): Params {\n const params = new Params();\n if (!values.length) {\n return params;\n }\n // skip leading sub params\n for (let i = (values[0] instanceof Array) ? 1 : 0; i < values.length; ++i) {\n const value = values[i];\n if (value instanceof Array) {\n for (let k = 0; k < value.length; ++k) {\n params.addSubParam(value[k]);\n }\n } else {\n params.addParam(value);\n }\n }\n return params;\n }\n\n /**\n * @param maxLength max length of storable parameters\n * @param maxSubParamsLength max length of storable sub parameters\n */\n constructor(public maxLength: number = 32, public maxSubParamsLength: number = 32) {\n if (maxSubParamsLength > MAX_SUBPARAMS) {\n throw new Error('maxSubParamsLength must not be greater than 256');\n }\n this.params = new Int32Array(maxLength);\n this.length = 0;\n this._subParams = new Int32Array(maxSubParamsLength);\n this._subParamsLength = 0;\n this._subParamsIdx = new Uint16Array(maxLength);\n this._rejectDigits = false;\n this._rejectSubDigits = false;\n this._digitIsSub = false;\n }\n\n /**\n * Clone object.\n */\n public clone(): Params {\n const newParams = new Params(this.maxLength, this.maxSubParamsLength);\n newParams.params.set(this.params);\n newParams.length = this.length;\n newParams._subParams.set(this._subParams);\n newParams._subParamsLength = this._subParamsLength;\n newParams._subParamsIdx.set(this._subParamsIdx);\n newParams._rejectDigits = this._rejectDigits;\n newParams._rejectSubDigits = this._rejectSubDigits;\n newParams._digitIsSub = this._digitIsSub;\n return newParams;\n }\n\n /**\n * Get a JS array representation of the current parameters and sub parameters.\n * The array is structured as follows:\n * sequence: \"1;2:3:4;5::6\"\n * array : [1, 2, [3, 4], 5, [-1, 6]]\n */\n public toArray(): ParamsArray {\n const res: ParamsArray = [];\n for (let i = 0; i < this.length; ++i) {\n res.push(this.params[i]);\n const start = this._subParamsIdx[i] >> 8;\n const end = this._subParamsIdx[i] & 0xFF;\n if (end - start > 0) {\n res.push(Array.prototype.slice.call(this._subParams, start, end));\n }\n }\n return res;\n }\n\n /**\n * Reset to initial empty state.\n */\n public reset(): void {\n this.length = 0;\n this._subParamsLength = 0;\n this._rejectDigits = false;\n this._rejectSubDigits = false;\n this._digitIsSub = false;\n }\n\n /**\n * Add a parameter value.\n * `Params` only stores up to `maxLength` parameters, any later\n * parameter will be ignored.\n * Note: VT devices only stored up to 16 values, xterm seems to\n * store up to 30.\n */\n public addParam(value: number): void {\n this._digitIsSub = false;\n if (this.length >= this.maxLength) {\n this._rejectDigits = true;\n return;\n }\n if (value < -1) {\n throw new Error('values lesser than -1 are not allowed');\n }\n this._subParamsIdx[this.length] = this._subParamsLength << 8 | this._subParamsLength;\n this.params[this.length++] = value > MAX_VALUE ? MAX_VALUE : value;\n }\n\n /**\n * Add a sub parameter value.\n * The sub parameter is automatically associated with the last parameter value.\n * Thus it is not possible to add a subparameter without any parameter added yet.\n * `Params` only stores up to `subParamsLength` sub parameters, any later\n * sub parameter will be ignored.\n */\n public addSubParam(value: number): void {\n this._digitIsSub = true;\n if (!this.length) {\n return;\n }\n if (this._rejectDigits || this._subParamsLength >= this.maxSubParamsLength) {\n this._rejectSubDigits = true;\n return;\n }\n if (value < -1) {\n throw new Error('values lesser than -1 are not allowed');\n }\n this._subParams[this._subParamsLength++] = value > MAX_VALUE ? MAX_VALUE : value;\n this._subParamsIdx[this.length - 1]++;\n }\n\n /**\n * Whether parameter at index `idx` has sub parameters.\n */\n public hasSubParams(idx: number): boolean {\n return ((this._subParamsIdx[idx] & 0xFF) - (this._subParamsIdx[idx] >> 8) > 0);\n }\n\n /**\n * Return sub parameters for parameter at index `idx`.\n * Note: The values are borrowed, thus you need to copy\n * the values if you need to hold them in nonlocal scope.\n */\n public getSubParams(idx: number): Int32Array | null {\n const start = this._subParamsIdx[idx] >> 8;\n const end = this._subParamsIdx[idx] & 0xFF;\n if (end - start > 0) {\n return this._subParams.subarray(start, end);\n }\n return null;\n }\n\n /**\n * Return all sub parameters as {idx: subparams} mapping.\n * Note: The values are not borrowed.\n */\n public getSubParamsAll(): {[idx: number]: Int32Array} {\n const result: {[idx: number]: Int32Array} = {};\n for (let i = 0; i < this.length; ++i) {\n const start = this._subParamsIdx[i] >> 8;\n const end = this._subParamsIdx[i] & 0xFF;\n if (end - start > 0) {\n result[i] = this._subParams.slice(start, end);\n }\n }\n return result;\n }\n\n /**\n * Add a single digit value to current parameter.\n * This is used by the parser to account digits on a char by char basis.\n */\n public addDigit(value: number): void {\n let length;\n if (this._rejectDigits\n || !(length = this._digitIsSub ? this._subParamsLength : this.length)\n || (this._digitIsSub && this._rejectSubDigits)\n ) {\n return;\n }\n\n const store = this._digitIsSub ? this._subParams : this.params;\n const cur = store[length - 1];\n store[length - 1] = ~cur ? Math.min(cur * 10 + value, MAX_VALUE) : value;\n }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IOscHandler, IHandlerCollection, OscFallbackHandlerType, IOscParser } from 'common/parser/Types';\nimport { OscState, PAYLOAD_LIMIT } from 'common/parser/Constants';\nimport { utf32ToString } from 'common/input/TextDecoder';\nimport { IDisposable } from 'common/Types';\n\n\nexport class OscParser implements IOscParser {\n private _state = OscState.START;\n private _id = -1;\n private _handlers: IHandlerCollection<IOscHandler> = Object.create(null);\n private _handlerFb: OscFallbackHandlerType = () => { };\n\n public addHandler(ident: number, handler: IOscHandler): IDisposable {\n if (this._handlers[ident] === undefined) {\n this._handlers[ident] = [];\n }\n const handlerList = this._handlers[ident];\n handlerList.push(handler);\n return {\n dispose: () => {\n const handlerIndex = handlerList.indexOf(handler);\n if (handlerIndex !== -1) {\n handlerList.splice(handlerIndex, 1);\n }\n }\n };\n }\n public setHandler(ident: number, handler: IOscHandler): void {\n this._handlers[ident] = [handler];\n }\n public clearHandler(ident: number): void {\n if (this._handlers[ident]) delete this._handlers[ident];\n }\n public setHandlerFallback(handler: OscFallbackHandlerType): void {\n this._handlerFb = handler;\n }\n\n public dispose(): void {\n this._handlers = Object.create(null);\n this._handlerFb = () => {};\n }\n\n public reset(): void {\n // cleanup handlers if payload was already sent\n if (this._state === OscState.PAYLOAD) {\n this.end(false);\n }\n this._id = -1;\n this._state = OscState.START;\n }\n\n private _start(): void {\n const handlers = this._handlers[this._id];\n if (!handlers) {\n this._handlerFb(this._id, 'START');\n } else {\n for (let j = handlers.length - 1; j >= 0; j--) {\n handlers[j].start();\n }\n }\n }\n\n private _put(data: Uint32Array, start: number, end: number): void {\n const handlers = this._handlers[this._id];\n if (!handlers) {\n this._handlerFb(this._id, 'PUT', utf32ToString(data, start, end));\n } else {\n for (let j = handlers.length - 1; j >= 0; j--) {\n handlers[j].put(data, start, end);\n }\n }\n }\n\n private _end(success: boolean): void {\n // other than the old code we always have to call .end\n // to keep the bubbling we use `success` to indicate\n // whether a handler should execute\n const handlers = this._handlers[this._id];\n if (!handlers) {\n this._handlerFb(this._id, 'END', success);\n } else {\n let j = handlers.length - 1;\n for (; j >= 0; j--) {\n if (handlers[j].end(success) !== false) {\n break;\n }\n }\n j--;\n // cleanup left over handlers\n for (; j >= 0; j--) {\n handlers[j].end(false);\n }\n }\n }\n\n public start(): void {\n // always reset leftover handlers\n this.reset();\n this._id = -1;\n this._state = OscState.ID;\n }\n\n /**\n * Put data to current OSC command.\n * Expects the identifier of the OSC command in the form\n * OSC id ; payload ST/BEL\n * Payload chunks are not further processed and get\n * directly passed to the handlers.\n */\n public put(data: Uint32Array, start: number, end: number): void {\n if (this._state === OscState.ABORT) {\n return;\n }\n if (this._state === OscState.ID) {\n while (start < end) {\n const code = data[start++];\n if (code === 0x3b) {\n this._state = OscState.PAYLOAD;\n this._start();\n break;\n }\n if (code < 0x30 || 0x39 < code) {\n this._state = OscState.ABORT;\n return;\n }\n if (this._id === -1) {\n this._id = 0;\n }\n this._id = this._id * 10 + code - 48;\n }\n }\n if (this._state === OscState.PAYLOAD && end - start > 0) {\n this._put(data, start, end);\n }\n }\n\n /**\n * Indicates end of an OSC command.\n * Whether the OSC got aborted or finished normally\n * is indicated by `success`.\n */\n public end(success: boolean): void {\n if (this._state === OscState.START) {\n return;\n }\n // do nothing if command was faulty\n if (this._state !== OscState.ABORT) {\n // if we are still in ID state and get an early end\n // means that the command has no payload thus we still have\n // to announce START and send END right after\n if (this._state === OscState.ID) {\n this._start();\n }\n this._end(success);\n }\n this._id = -1;\n this._state = OscState.START;\n }\n}\n\n/**\n * Convenient class to allow attaching string based handler functions\n * as OSC handlers.\n */\nexport class OscHandler implements IOscHandler {\n private _data = '';\n private _hitLimit: boolean = false;\n\n constructor(private _handler: (data: string) => any) {}\n\n public start(): void {\n this._data = '';\n this._hitLimit = false;\n }\n\n public put(data: Uint32Array, start: number, end: number): void {\n if (this._hitLimit) {\n return;\n }\n this._data += utf32ToString(data, start, end);\n if (this._data.length > PAYLOAD_LIMIT) {\n this._data = '';\n this._hitLimit = true;\n }\n }\n\n public end(success: boolean): any {\n let ret;\n if (this._hitLimit) {\n ret = false;\n } else if (success) {\n ret = this._handler(this._data);\n }\n this._data = '';\n this._hitLimit = false;\n return ret;\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\n/**\n * Internal states of EscapeSequenceParser.\n */\nexport const enum ParserState {\n GROUND = 0,\n ESCAPE = 1,\n ESCAPE_INTERMEDIATE = 2,\n CSI_ENTRY = 3,\n CSI_PARAM = 4,\n CSI_INTERMEDIATE = 5,\n CSI_IGNORE = 6,\n SOS_PM_APC_STRING = 7,\n OSC_STRING = 8,\n DCS_ENTRY = 9,\n DCS_PARAM = 10,\n DCS_IGNORE = 11,\n DCS_INTERMEDIATE = 12,\n DCS_PASSTHROUGH = 13\n}\n\n/**\n* Internal actions of EscapeSequenceParser.\n*/\nexport const enum ParserAction {\n IGNORE = 0,\n ERROR = 1,\n PRINT = 2,\n EXECUTE = 3,\n OSC_START = 4,\n OSC_PUT = 5,\n OSC_END = 6,\n CSI_DISPATCH = 7,\n PARAM = 8,\n COLLECT = 9,\n ESC_DISPATCH = 10,\n CLEAR = 11,\n DCS_HOOK = 12,\n DCS_PUT = 13,\n DCS_UNHOOK = 14\n}\n\n/**\n * Internal states of OscParser.\n */\nexport const enum OscState {\n START = 0,\n ID = 1,\n PAYLOAD = 2,\n ABORT = 3\n}\n\n// payload limit for OSC and DCS\nexport const PAYLOAD_LIMIT = 10000000;\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IDisposable } from 'common/Types';\nimport { IDcsHandler, IParams, IHandlerCollection, IDcsParser, DcsFallbackHandlerType } from 'common/parser/Types';\nimport { utf32ToString } from 'common/input/TextDecoder';\nimport { Params } from 'common/parser/Params';\nimport { PAYLOAD_LIMIT } from 'common/parser/Constants';\n\nconst EMPTY_HANDLERS: IDcsHandler[] = [];\n\nexport class DcsParser implements IDcsParser {\n private _handlers: IHandlerCollection<IDcsHandler> = Object.create(null);\n private _active: IDcsHandler[] = EMPTY_HANDLERS;\n private _ident: number = 0;\n private _handlerFb: DcsFallbackHandlerType = () => {};\n\n public dispose(): void {\n this._handlers = Object.create(null);\n this._handlerFb = () => {};\n }\n\n public addHandler(ident: number, handler: IDcsHandler): IDisposable {\n if (this._handlers[ident] === undefined) {\n this._handlers[ident] = [];\n }\n const handlerList = this._handlers[ident];\n handlerList.push(handler);\n return {\n dispose: () => {\n const handlerIndex = handlerList.indexOf(handler);\n if (handlerIndex !== -1) {\n handlerList.splice(handlerIndex, 1);\n }\n }\n };\n }\n\n public setHandler(ident: number, handler: IDcsHandler): void {\n this._handlers[ident] = [handler];\n }\n\n public clearHandler(ident: number): void {\n if (this._handlers[ident]) delete this._handlers[ident];\n }\n\n public setHandlerFallback(handler: DcsFallbackHandlerType): void {\n this._handlerFb = handler;\n }\n\n public reset(): void {\n if (this._active.length) {\n this.unhook(false);\n }\n this._active = EMPTY_HANDLERS;\n this._ident = 0;\n }\n\n public hook(ident: number, params: IParams): void {\n // always reset leftover handlers\n this.reset();\n this._ident = ident;\n this._active = this._handlers[ident] || EMPTY_HANDLERS;\n if (!this._active.length) {\n this._handlerFb(this._ident, 'HOOK', params);\n } else {\n for (let j = this._active.length - 1; j >= 0; j--) {\n this._active[j].hook(params);\n }\n }\n }\n\n public put(data: Uint32Array, start: number, end: number): void {\n if (!this._active.length) {\n this._handlerFb(this._ident, 'PUT', utf32ToString(data, start, end));\n } else {\n for (let j = this._active.length - 1; j >= 0; j--) {\n this._active[j].put(data, start, end);\n }\n }\n }\n\n public unhook(success: boolean): void {\n if (!this._active.length) {\n this._handlerFb(this._ident, 'UNHOOK', success);\n } else {\n let j = this._active.length - 1;\n for (; j >= 0; j--) {\n if (this._active[j].unhook(success) !== false) {\n break;\n }\n }\n j--;\n // cleanup left over handlers\n for (; j >= 0; j--) {\n this._active[j].unhook(false);\n }\n }\n this._active = EMPTY_HANDLERS;\n this._ident = 0;\n }\n}\n\n/**\n * Convenient class to create a DCS handler from a single callback function.\n * Note: The payload is currently limited to 50 MB (hardcoded).\n */\nexport class DcsHandler implements IDcsHandler {\n private _data = '';\n private _params: IParams | undefined;\n private _hitLimit: boolean = false;\n\n constructor(private _handler: (data: string, params: IParams) => any) {}\n\n public hook(params: IParams): void {\n this._params = params.clone();\n this._data = '';\n this._hitLimit = false;\n }\n\n public put(data: Uint32Array, start: number, end: number): void {\n if (this._hitLimit) {\n return;\n }\n this._data += utf32ToString(data, start, end);\n if (this._data.length > PAYLOAD_LIMIT) {\n this._data = '';\n this._hitLimit = true;\n }\n }\n\n public unhook(success: boolean): any {\n let ret;\n if (this._hitLimit) {\n ret = false;\n } else if (success) {\n ret = this._handler(this._data, this._params ? this._params : new Params());\n }\n this._params = undefined;\n this._data = '';\n this._hitLimit = false;\n return ret;\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { generateConfig, configEquals } from 'browser/renderer/atlas/CharAtlasUtils';\nimport { BaseCharAtlas } from 'browser/renderer/atlas/BaseCharAtlas';\nimport { DynamicCharAtlas } from 'browser/renderer/atlas/DynamicCharAtlas';\nimport { ICharAtlasConfig } from 'browser/renderer/atlas/Types';\nimport { IColorSet } from 'browser/Types';\nimport { ITerminalOptions } from 'common/services/Services';\n\ninterface ICharAtlasCacheEntry {\n atlas: BaseCharAtlas;\n config: ICharAtlasConfig;\n // N.B. This implementation potentially holds onto copies of the terminal forever, so\n // this may cause memory leaks.\n ownedBy: number[];\n}\n\nconst charAtlasCache: ICharAtlasCacheEntry[] = [];\n\n/**\n * Acquires a char atlas, either generating a new one or returning an existing\n * one that is in use by another terminal.\n */\nexport function acquireCharAtlas(\n options: ITerminalOptions,\n rendererId: number,\n colors: IColorSet,\n scaledCharWidth: number,\n scaledCharHeight: number\n): BaseCharAtlas {\n const newConfig = generateConfig(scaledCharWidth, scaledCharHeight, options, colors);\n\n // Check to see if the renderer already owns this config\n for (let i = 0; i < charAtlasCache.length; i++) {\n const entry = charAtlasCache[i];\n const ownedByIndex = entry.ownedBy.indexOf(rendererId);\n if (ownedByIndex >= 0) {\n if (configEquals(entry.config, newConfig)) {\n return entry.atlas;\n }\n // The configs differ, release the renderer from the entry\n if (entry.ownedBy.length === 1) {\n entry.atlas.dispose();\n charAtlasCache.splice(i, 1);\n } else {\n entry.ownedBy.splice(ownedByIndex, 1);\n }\n break;\n }\n }\n\n // Try match a char atlas from the cache\n for (let i = 0; i < charAtlasCache.length; i++) {\n const entry = charAtlasCache[i];\n if (configEquals(entry.config, newConfig)) {\n // Add the renderer to the cache entry and return\n entry.ownedBy.push(rendererId);\n return entry.atlas;\n }\n }\n\n const newEntry: ICharAtlasCacheEntry = {\n atlas: new DynamicCharAtlas(\n document,\n newConfig\n ),\n config: newConfig,\n ownedBy: [rendererId]\n };\n charAtlasCache.push(newEntry);\n return newEntry.atlas;\n}\n\n/**\n * Removes a terminal reference from the cache, allowing its memory to be freed.\n */\nexport function removeTerminalFromCache(rendererId: number): void {\n for (let i = 0; i < charAtlasCache.length; i++) {\n const index = charAtlasCache[i].ownedBy.indexOf(rendererId);\n if (index !== -1) {\n if (charAtlasCache[i].ownedBy.length === 1) {\n // Remove the cache entry if it's the only renderer\n charAtlasCache[i].atlas.dispose();\n charAtlasCache.splice(i, 1);\n } else {\n // Remove the reference from the cache entry\n charAtlasCache[i].ownedBy.splice(index, 1);\n }\n break;\n }\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ICharAtlasConfig } from 'browser/renderer/atlas/Types';\nimport { DEFAULT_COLOR } from 'common/buffer/Constants';\nimport { IColorSet, IPartialColorSet } from 'browser/Types';\nimport { ITerminalOptions } from 'common/services/Services';\n\nexport function generateConfig(scaledCharWidth: number, scaledCharHeight: number, options: ITerminalOptions, colors: IColorSet): ICharAtlasConfig {\n // null out some fields that don't matter\n const clonedColors = <IPartialColorSet>{\n foreground: colors.foreground,\n background: colors.background,\n cursor: undefined,\n cursorAccent: undefined,\n selection: undefined,\n // For the static char atlas, we only use the first 16 colors, but we need all 256 for the\n // dynamic character atlas.\n ansi: colors.ansi.slice(0, 16)\n };\n return {\n devicePixelRatio: window.devicePixelRatio,\n scaledCharWidth,\n scaledCharHeight,\n fontFamily: options.fontFamily,\n fontSize: options.fontSize,\n fontWeight: options.fontWeight,\n fontWeightBold: options.fontWeightBold,\n allowTransparency: options.allowTransparency,\n colors: clonedColors\n };\n}\n\nexport function configEquals(a: ICharAtlasConfig, b: ICharAtlasConfig): boolean {\n for (let i = 0; i < a.colors.ansi.length; i++) {\n if (a.colors.ansi[i].rgba !== b.colors.ansi[i].rgba) {\n return false;\n }\n }\n return a.devicePixelRatio === b.devicePixelRatio &&\n a.fontFamily === b.fontFamily &&\n a.fontSize === b.fontSize &&\n a.fontWeight === b.fontWeight &&\n a.fontWeightBold === b.fontWeightBold &&\n a.allowTransparency === b.allowTransparency &&\n a.scaledCharWidth === b.scaledCharWidth &&\n a.scaledCharHeight === b.scaledCharHeight &&\n a.colors.foreground === b.colors.foreground &&\n a.colors.background === b.colors.background;\n}\n\nexport function is256Color(colorCode: number): boolean {\n return colorCode < DEFAULT_COLOR;\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IColorManager, IColor, IColorSet, IColorContrastCache } from 'browser/Types';\nimport { ITheme } from 'common/services/Services';\nimport { fromCss, toCss, blend, toRgba, toPaddedHex } from 'browser/Color';\nimport { ColorContrastCache } from 'browser/ColorContrastCache';\n\nconst DEFAULT_FOREGROUND = fromCss('#ffffff');\nconst DEFAULT_BACKGROUND = fromCss('#000000');\nconst DEFAULT_CURSOR = fromCss('#ffffff');\nconst DEFAULT_CURSOR_ACCENT = fromCss('#000000');\nconst DEFAULT_SELECTION = {\n css: 'rgba(255, 255, 255, 0.3)',\n rgba: 0xFFFFFF4D\n};\n\n// An IIFE to generate DEFAULT_ANSI_COLORS. Do not mutate DEFAULT_ANSI_COLORS, instead make a copy\n// and mutate that.\nexport const DEFAULT_ANSI_COLORS = (() => {\n const colors = [\n // dark:\n fromCss('#2e3436'),\n fromCss('#cc0000'),\n fromCss('#4e9a06'),\n fromCss('#c4a000'),\n fromCss('#3465a4'),\n fromCss('#75507b'),\n fromCss('#06989a'),\n fromCss('#d3d7cf'),\n // bright:\n fromCss('#555753'),\n fromCss('#ef2929'),\n fromCss('#8ae234'),\n fromCss('#fce94f'),\n fromCss('#729fcf'),\n fromCss('#ad7fa8'),\n fromCss('#34e2e2'),\n fromCss('#eeeeec')\n ];\n\n // Fill in the remaining 240 ANSI colors.\n // Generate colors (16-231)\n const v = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff];\n for (let i = 0; i < 216; i++) {\n const r = v[(i / 36) % 6 | 0];\n const g = v[(i / 6) % 6 | 0];\n const b = v[i % 6];\n colors.push({\n css: toCss(r, g, b),\n rgba: toRgba(r, g, b)\n });\n }\n\n // Generate greys (232-255)\n for (let i = 0; i < 24; i++) {\n const c = 8 + i * 10;\n colors.push({\n css: toCss(c, c, c),\n rgba: toRgba(c, c, c)\n });\n }\n\n return colors;\n})();\n\n/**\n * Manages the source of truth for a terminal's colors.\n */\nexport class ColorManager implements IColorManager {\n public colors: IColorSet;\n private _ctx: CanvasRenderingContext2D;\n private _litmusColor: CanvasGradient;\n private _contrastCache: IColorContrastCache;\n\n constructor(document: Document, public allowTransparency: boolean) {\n const canvas = document.createElement('canvas');\n canvas.width = 1;\n canvas.height = 1;\n const ctx = canvas.getContext('2d');\n if (!ctx) {\n throw new Error('Could not get rendering context');\n }\n this._ctx = ctx;\n this._ctx.globalCompositeOperation = 'copy';\n this._litmusColor = this._ctx.createLinearGradient(0, 0, 1, 1);\n this._contrastCache = new ColorContrastCache();\n this.colors = {\n foreground: DEFAULT_FOREGROUND,\n background: DEFAULT_BACKGROUND,\n cursor: DEFAULT_CURSOR,\n cursorAccent: DEFAULT_CURSOR_ACCENT,\n selection: DEFAULT_SELECTION,\n selectionOpaque: blend(DEFAULT_BACKGROUND, DEFAULT_SELECTION),\n ansi: DEFAULT_ANSI_COLORS.slice(),\n contrastCache: this._contrastCache\n };\n }\n\n public onOptionsChange(key: string): void {\n if (key === 'minimumContrastRatio') {\n this._contrastCache.clear();\n }\n }\n\n /**\n * Sets the terminal's theme.\n * @param theme The theme to use. If a partial theme is provided then default\n * colors will be used where colors are not defined.\n */\n public setTheme(theme: ITheme = {}): void {\n this.colors.foreground = this._parseColor(theme.foreground, DEFAULT_FOREGROUND);\n this.colors.background = this._parseColor(theme.background, DEFAULT_BACKGROUND);\n this.colors.cursor = this._parseColor(theme.cursor, DEFAULT_CURSOR, true);\n this.colors.cursorAccent = this._parseColor(theme.cursorAccent, DEFAULT_CURSOR_ACCENT, true);\n this.colors.selection = this._parseColor(theme.selection, DEFAULT_SELECTION, true);\n this.colors.selectionOpaque = blend(this.colors.background, this.colors.selection);\n this.colors.ansi[0] = this._parseColor(theme.black, DEFAULT_ANSI_COLORS[0]);\n this.colors.ansi[1] = this._parseColor(theme.red, DEFAULT_ANSI_COLORS[1]);\n this.colors.ansi[2] = this._parseColor(theme.green, DEFAULT_ANSI_COLORS[2]);\n this.colors.ansi[3] = this._parseColor(theme.yellow, DEFAULT_ANSI_COLORS[3]);\n this.colors.ansi[4] = this._parseColor(theme.blue, DEFAULT_ANSI_COLORS[4]);\n this.colors.ansi[5] = this._parseColor(theme.magenta, DEFAULT_ANSI_COLORS[5]);\n this.colors.ansi[6] = this._parseColor(theme.cyan, DEFAULT_ANSI_COLORS[6]);\n this.colors.ansi[7] = this._parseColor(theme.white, DEFAULT_ANSI_COLORS[7]);\n this.colors.ansi[8] = this._parseColor(theme.brightBlack, DEFAULT_ANSI_COLORS[8]);\n this.colors.ansi[9] = this._parseColor(theme.brightRed, DEFAULT_ANSI_COLORS[9]);\n this.colors.ansi[10] = this._parseColor(theme.brightGreen, DEFAULT_ANSI_COLORS[10]);\n this.colors.ansi[11] = this._parseColor(theme.brightYellow, DEFAULT_ANSI_COLORS[11]);\n this.colors.ansi[12] = this._parseColor(theme.brightBlue, DEFAULT_ANSI_COLORS[12]);\n this.colors.ansi[13] = this._parseColor(theme.brightMagenta, DEFAULT_ANSI_COLORS[13]);\n this.colors.ansi[14] = this._parseColor(theme.brightCyan, DEFAULT_ANSI_COLORS[14]);\n this.colors.ansi[15] = this._parseColor(theme.brightWhite, DEFAULT_ANSI_COLORS[15]);\n // Clear our the cache\n this._contrastCache.clear();\n }\n\n private _parseColor(\n css: string | undefined,\n fallback: IColor,\n allowTransparency: boolean = this.allowTransparency\n ): IColor {\n if (css === undefined) {\n return fallback;\n }\n\n // If parsing the value results in failure, then it must be ignored, and the attribute must\n // retain its previous value.\n // -- https://html.spec.whatwg.org/multipage/canvas.html#fill-and-stroke-styles\n this._ctx.fillStyle = this._litmusColor;\n this._ctx.fillStyle = css;\n if (typeof this._ctx.fillStyle !== 'string') {\n console.warn(`Color: ${css} is invalid using fallback ${fallback.css}`);\n return fallback;\n }\n\n this._ctx.fillRect(0, 0, 1, 1);\n const data = this._ctx.getImageData(0, 0, 1, 1).data;\n\n // Check if the printed color was transparent\n if (data[3] !== 0xFF) {\n if (!allowTransparency) {\n // Ideally we'd just ignore the alpha channel, but...\n //\n // Browsers may not give back exactly the same RGB values we put in, because most/all\n // convert the color to a pre-multiplied representation. getImageData converts that back to\n // a un-premultipled representation, but the precision loss may make the RGB channels unuable\n // on their own.\n //\n // E.g. In Chrome #12345610 turns into #10305010, and in the extreme case, 0xFFFFFF00 turns\n // into 0x00000000.\n //\n // \"Note: Due to the lossy nature of converting to and from premultiplied alpha color values,\n // pixels that have just been set using putImageData() might be returned to an equivalent\n // getImageData() as different values.\"\n // -- https://html.spec.whatwg.org/multipage/canvas.html#pixel-manipulation\n //\n // So let's just use the fallback color in this case instead.\n console.warn(\n `Color: ${css} is using transparency, but allowTransparency is false. ` +\n `Using fallback ${fallback.css}.`\n );\n return fallback;\n }\n let r: number;\n let g: number;\n let b: number;\n let a: number;\n let rgba: number;\n if (css.length === 5) {\n const num = parseInt(css.substr(1), 16);\n r = ((num >> 12) & 0xF) * 16;\n g = ((num >> 8) & 0xF) * 16;\n b = ((num >> 4) & 0xF) * 16;\n a = (num & 0xF) * 16;\n rgba = toRgba(r, g, b, a);\n } else {\n rgba = parseInt(css.substr(1), 16);\n r = (rgba >> 24) & 0xFF;\n g = (rgba >> 16) & 0xFF;\n b = (rgba >> 8) & 0xFF;\n a = (rgba ) & 0xFF;\n }\n\n return {\n rgba,\n css: toCss(r, g, b, a)\n };\n }\n\n return {\n css,\n rgba: toRgba(data[0], data[1], data[2], data[3])\n };\n }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nexport function throwIfFalsy<T>(value: T | undefined | null): T {\n if (!value) {\n throw new Error('value must not be falsy');\n }\n return value;\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IBufferLine, ICellData, CharData } from 'common/Types';\nimport { ICharacterJoinerRegistry, ICharacterJoiner } from 'browser/renderer/Types';\nimport { AttributeData } from 'common/buffer/AttributeData';\nimport { WHITESPACE_CELL_CHAR, Content } from 'common/buffer/Constants';\nimport { CellData } from 'common/buffer/CellData';\nimport { IBufferService } from 'common/services/Services';\n\nexport class JoinedCellData extends AttributeData implements ICellData {\n private _width: number;\n // .content carries no meaning for joined CellData, simply nullify it\n // thus we have to overload all other .content accessors\n public content: number = 0;\n public fg: number;\n public bg: number;\n public combinedData: string = '';\n\n constructor(firstCell: ICellData, chars: string, width: number) {\n super();\n this.fg = firstCell.fg;\n this.bg = firstCell.bg;\n this.combinedData = chars;\n this._width = width;\n }\n\n public isCombined(): number {\n // always mark joined cell data as combined\n return Content.IS_COMBINED_MASK;\n }\n\n public getWidth(): number {\n return this._width;\n }\n\n public getChars(): string {\n return this.combinedData;\n }\n\n public getCode(): number {\n // code always gets the highest possible fake codepoint (read as -1)\n // this is needed as code is used by caches as identifier\n return 0x1FFFFF;\n }\n\n public setFromCharData(value: CharData): void {\n throw new Error('not implemented');\n }\n\n public getAsCharData(): CharData {\n return [this.fg, this.getChars(), this.getWidth(), this.getCode()];\n }\n}\n\nexport class CharacterJoinerRegistry implements ICharacterJoinerRegistry {\n\n private _characterJoiners: ICharacterJoiner[] = [];\n private _nextCharacterJoinerId: number = 0;\n private _workCell: CellData = new CellData();\n\n constructor(private _bufferService: IBufferService) { }\n\n public registerCharacterJoiner(handler: (text: string) => [number, number][]): number {\n const joiner: ICharacterJoiner = {\n id: this._nextCharacterJoinerId++,\n handler\n };\n\n this._characterJoiners.push(joiner);\n return joiner.id;\n }\n\n public deregisterCharacterJoiner(joinerId: number): boolean {\n for (let i = 0; i < this._characterJoiners.length; i++) {\n if (this._characterJoiners[i].id === joinerId) {\n this._characterJoiners.splice(i, 1);\n return true;\n }\n }\n\n return false;\n }\n\n public getJoinedCharacters(row: number): [number, number][] {\n if (this._characterJoiners.length === 0) {\n return [];\n }\n\n const line = this._bufferService.buffer.lines.get(row);\n if (!line || line.length === 0) {\n return [];\n }\n\n const ranges: [number, number][] = [];\n const lineStr = line.translateToString(true);\n\n // Because some cells can be represented by multiple javascript characters,\n // we track the cell and the string indexes separately. This allows us to\n // translate the string ranges we get from the joiners back into cell ranges\n // for use when rendering\n let rangeStartColumn = 0;\n let currentStringIndex = 0;\n let rangeStartStringIndex = 0;\n let rangeAttrFG = line.getFg(0);\n let rangeAttrBG = line.getBg(0);\n\n for (let x = 0; x < line.getTrimmedLength(); x++) {\n line.loadCell(x, this._workCell);\n\n if (this._workCell.getWidth() === 0) {\n // If this character is of width 0, skip it.\n continue;\n }\n\n // End of range\n if (this._workCell.fg !== rangeAttrFG || this._workCell.bg !== rangeAttrBG) {\n // If we ended up with a sequence of more than one character,\n // look for ranges to join.\n if (x - rangeStartColumn > 1) {\n const joinedRanges = this._getJoinedRanges(\n lineStr,\n rangeStartStringIndex,\n currentStringIndex,\n line,\n rangeStartColumn\n );\n for (let i = 0; i < joinedRanges.length; i++) {\n ranges.push(joinedRanges[i]);\n }\n }\n\n // Reset our markers for a new range.\n rangeStartColumn = x;\n rangeStartStringIndex = currentStringIndex;\n rangeAttrFG = this._workCell.fg;\n rangeAttrBG = this._workCell.bg;\n }\n\n currentStringIndex += this._workCell.getChars().length || WHITESPACE_CELL_CHAR.length;\n }\n\n // Process any trailing ranges.\n if (this._bufferService.cols - rangeStartColumn > 1) {\n const joinedRanges = this._getJoinedRanges(\n lineStr,\n rangeStartStringIndex,\n currentStringIndex,\n line,\n rangeStartColumn\n );\n for (let i = 0; i < joinedRanges.length; i++) {\n ranges.push(joinedRanges[i]);\n }\n }\n\n return ranges;\n }\n\n /**\n * Given a segment of a line of text, find all ranges of text that should be\n * joined in a single rendering unit. Ranges are internally converted to\n * column ranges, rather than string ranges.\n * @param line String representation of the full line of text\n * @param startIndex Start position of the range to search in the string (inclusive)\n * @param endIndex End position of the range to search in the string (exclusive)\n */\n private _getJoinedRanges(line: string, startIndex: number, endIndex: number, lineData: IBufferLine, startCol: number): [number, number][] {\n const text = line.substring(startIndex, endIndex);\n // At this point we already know that there is at least one joiner so\n // we can just pull its value and assign it directly rather than\n // merging it into an empty array, which incurs unnecessary writes.\n const joinedRanges: [number, number][] = this._characterJoiners[0].handler(text);\n for (let i = 1; i < this._characterJoiners.length; i++) {\n // We merge any overlapping ranges across the different joiners\n const joinerRanges = this._characterJoiners[i].handler(text);\n for (let j = 0; j < joinerRanges.length; j++) {\n CharacterJoinerRegistry._mergeRanges(joinedRanges, joinerRanges[j]);\n }\n }\n this._stringRangesToCellRanges(joinedRanges, lineData, startCol);\n return joinedRanges;\n }\n\n /**\n * Modifies the provided ranges in-place to adjust for variations between\n * string length and cell width so that the range represents a cell range,\n * rather than the string range the joiner provides.\n * @param ranges String ranges containing start (inclusive) and end (exclusive) index\n * @param line Cell data for the relevant line in the terminal\n * @param startCol Offset within the line to start from\n */\n private _stringRangesToCellRanges(ranges: [number, number][], line: IBufferLine, startCol: number): void {\n let currentRangeIndex = 0;\n let currentRangeStarted = false;\n let currentStringIndex = 0;\n let currentRange = ranges[currentRangeIndex];\n\n // If we got through all of the ranges, stop searching\n if (!currentRange) {\n return;\n }\n\n for (let x = startCol; x < this._bufferService.cols; x++) {\n const width = line.getWidth(x);\n const length = line.getString(x).length || WHITESPACE_CELL_CHAR.length;\n\n // We skip zero-width characters when creating the string to join the text\n // so we do the same here\n if (width === 0) {\n continue;\n }\n\n // Adjust the start of the range\n if (!currentRangeStarted && currentRange[0] <= currentStringIndex) {\n currentRange[0] = x;\n currentRangeStarted = true;\n }\n\n // Adjust the end of the range\n if (currentRange[1] <= currentStringIndex) {\n currentRange[1] = x;\n\n // We're finished with this range, so we move to the next one\n currentRange = ranges[++currentRangeIndex];\n\n // If there are no more ranges left, stop searching\n if (!currentRange) {\n break;\n }\n\n // Ranges can be on adjacent characters. Because the end index of the\n // ranges are exclusive, this means that the index for the start of a\n // range can be the same as the end index of the previous range. To\n // account for the start of the next range, we check here just in case.\n if (currentRange[0] <= currentStringIndex) {\n currentRange[0] = x;\n currentRangeStarted = true;\n } else {\n currentRangeStarted = false;\n }\n }\n\n // Adjust the string index based on the character length to line up with\n // the column adjustment\n currentStringIndex += length;\n }\n\n // If there is still a range left at the end, it must extend all the way to\n // the end of the line.\n if (currentRange) {\n currentRange[1] = this._bufferService.cols;\n }\n }\n\n /**\n * Merges the range defined by the provided start and end into the list of\n * existing ranges. The merge is done in place on the existing range for\n * performance and is also returned.\n * @param ranges Existing range list\n * @param newRange Tuple of two numbers representing the new range to merge in.\n * @returns The ranges input with the new range merged in place\n */\n private static _mergeRanges(ranges: [number, number][], newRange: [number, number]): [number, number][] {\n let inRange = false;\n for (let i = 0; i < ranges.length; i++) {\n const range = ranges[i];\n if (!inRange) {\n if (newRange[1] <= range[0]) {\n // Case 1: New range is before the search range\n ranges.splice(i, 0, newRange);\n return ranges;\n }\n\n if (newRange[1] <= range[1]) {\n // Case 2: New range is either wholly contained within the\n // search range or overlaps with the front of it\n range[0] = Math.min(newRange[0], range[0]);\n return ranges;\n }\n\n if (newRange[0] < range[1]) {\n // Case 3: New range either wholly contains the search range\n // or overlaps with the end of it\n range[0] = Math.min(newRange[0], range[0]);\n inRange = true;\n }\n\n // Case 4: New range starts after the search range\n continue;\n } else {\n if (newRange[1] <= range[0]) {\n // Case 5: New range extends from previous range but doesn't\n // reach the current one\n ranges[i - 1][1] = newRange[1];\n return ranges;\n }\n\n if (newRange[1] <= range[1]) {\n // Case 6: New range extends from prvious range into the\n // current range\n ranges[i - 1][1] = Math.max(newRange[1], range[1]);\n ranges.splice(i, 1);\n return ranges;\n }\n\n // Case 7: New range extends from previous range past the\n // end of the current range\n ranges.splice(i, 1);\n i--;\n }\n }\n\n if (inRange) {\n // Case 8: New range extends past the last existing range\n ranges[ranges.length - 1][1] = newRange[1];\n } else {\n // Case 9: New range starts after the last existing range\n ranges.push(newRange);\n }\n\n return ranges;\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nexport function getCoordsRelativeToElement(event: {clientX: number, clientY: number}, element: HTMLElement): [number, number] {\n const rect = element.getBoundingClientRect();\n return [event.clientX - rect.left, event.clientY - rect.top];\n}\n\n/**\n * Gets coordinates within the terminal for a particular mouse event. The result\n * is returned as an array in the form [x, y] instead of an object as it's a\n * little faster and this function is used in some low level code.\n * @param event The mouse event.\n * @param element The terminal's container element.\n * @param colCount The number of columns in the terminal.\n * @param rowCount The number of rows n the terminal.\n * @param isSelection Whether the request is for the selection or not. This will\n * apply an offset to the x value such that the left half of the cell will\n * select that cell and the right half will select the next cell.\n */\nexport function getCoords(event: {clientX: number, clientY: number}, element: HTMLElement, colCount: number, rowCount: number, hasValidCharSize: boolean, actualCellWidth: number, actualCellHeight: number, isSelection?: boolean): [number, number] | undefined {\n // Coordinates cannot be measured if there are no valid\n if (!hasValidCharSize) {\n return undefined;\n }\n\n const coords = getCoordsRelativeToElement(event, element);\n if (!coords) {\n return undefined;\n }\n\n coords[0] = Math.ceil((coords[0] + (isSelection ? actualCellWidth / 2 : 0)) / actualCellWidth);\n coords[1] = Math.ceil(coords[1] / actualCellHeight);\n\n // Ensure coordinates are within the terminal viewport. Note that selections\n // need an addition point of precision to cover the end point (as characters\n // cover half of one char and half of the next).\n coords[0] = Math.min(Math.max(coords[0], 1), colCount + (isSelection ? 1 : 0));\n coords[1] = Math.min(Math.max(coords[1], 1), rowCount);\n\n return coords;\n}\n\n/**\n * Gets coordinates within the terminal for a particular mouse event, wrapping\n * them to the bounds of the terminal and adding 32 to both the x and y values\n * as expected by xterm.\n */\nexport function getRawByteCoords(coords: [number, number] | undefined): { x: number, y: number } | undefined {\n if (!coords) {\n return undefined;\n }\n\n // xterm sends raw bytes and starts at 32 (SP) for each.\n return { x: coords[0] + 32, y: coords[1] + 32 };\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IDisposable } from 'common/Types';\n\n/**\n * Debounces calls to render terminal rows using animation frames.\n */\nexport class RenderDebouncer implements IDisposable {\n private _rowStart: number | undefined;\n private _rowEnd: number | undefined;\n private _rowCount: number | undefined;\n private _animationFrame: number | undefined;\n\n constructor(\n private _renderCallback: (start: number, end: number) => void\n ) {\n }\n\n public dispose(): void {\n if (this._animationFrame) {\n window.cancelAnimationFrame(this._animationFrame);\n this._animationFrame = undefined;\n }\n }\n\n public refresh(rowStart: number, rowEnd: number, rowCount: number): void {\n this._rowCount = rowCount;\n // Get the min/max row start/end for the arg values\n rowStart = rowStart !== undefined ? rowStart : 0;\n rowEnd = rowEnd !== undefined ? rowEnd : this._rowCount - 1;\n // Set the properties to the updated values\n this._rowStart = this._rowStart !== undefined ? Math.min(this._rowStart, rowStart) : rowStart;\n this._rowEnd = this._rowEnd !== undefined ? Math.max(this._rowEnd, rowEnd) : rowEnd;\n\n if (this._animationFrame) {\n return;\n }\n\n this._animationFrame = window.requestAnimationFrame(() => this._innerRefresh());\n }\n\n private _innerRefresh(): void {\n // Make sure values are set\n if (this._rowStart === undefined || this._rowEnd === undefined || this._rowCount === undefined) {\n return;\n }\n\n // Clamp values\n this._rowStart = Math.max(this._rowStart, 0);\n this._rowEnd = Math.min(this._rowEnd, this._rowCount - 1);\n\n // Run render callback\n this._renderCallback(this._rowStart, this._rowEnd);\n\n // Reset debouncer\n this._rowStart = undefined;\n this._rowEnd = undefined;\n this._animationFrame = undefined;\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { Disposable } from 'common/Lifecycle';\n\nexport type ScreenDprListener = (newDevicePixelRatio?: number, oldDevicePixelRatio?: number) => void;\n\n/**\n * The screen device pixel ratio monitor allows listening for when the\n * window.devicePixelRatio value changes. This is done not with polling but with\n * the use of window.matchMedia to watch media queries. When the event fires,\n * the listener will be reattached using a different media query to ensure that\n * any further changes will register.\n *\n * The listener should fire on both window zoom changes and switching to a\n * monitor with a different DPI.\n */\nexport class ScreenDprMonitor extends Disposable {\n private _currentDevicePixelRatio: number = window.devicePixelRatio;\n private _outerListener: ((this: MediaQueryList, ev: MediaQueryListEvent) => any) | undefined;\n private _listener: ScreenDprListener | undefined;\n private _resolutionMediaMatchList: MediaQueryList | undefined;\n\n public setListener(listener: ScreenDprListener): void {\n if (this._listener) {\n this.clearListener();\n }\n this._listener = listener;\n this._outerListener = () => {\n if (!this._listener) {\n return;\n }\n this._listener(window.devicePixelRatio, this._currentDevicePixelRatio);\n this._updateDpr();\n };\n this._updateDpr();\n }\n\n public dispose(): void {\n super.dispose();\n this.clearListener();\n }\n\n private _updateDpr(): void {\n if (!this._resolutionMediaMatchList || !this._outerListener) {\n return;\n }\n\n // Clear listeners for old DPR\n this._resolutionMediaMatchList.removeListener(this._outerListener);\n\n // Add listeners for new DPR\n this._currentDevicePixelRatio = window.devicePixelRatio;\n this._resolutionMediaMatchList = window.matchMedia(`screen and (resolution: ${window.devicePixelRatio}dppx)`);\n this._resolutionMediaMatchList.addListener(this._outerListener);\n }\n\n public clearListener(): void {\n if (!this._resolutionMediaMatchList || !this._listener || !this._outerListener) {\n return;\n }\n this._resolutionMediaMatchList.removeListener(this._outerListener);\n this._resolutionMediaMatchList = undefined;\n this._listener = undefined;\n this._outerListener = undefined;\n }\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\n/*\n * A simple utility for cloning values\n */\nexport function clone<T>(val: T, depth: number = 5): T {\n if (typeof val !== 'object') {\n return val;\n }\n\n // If we're cloning an array, use an array as the base, otherwise use an object\n const clonedObject: any = Array.isArray(val) ? [] : {};\n\n for (const key in val) {\n // Recursively clone eack item unless we're at the maximum depth\n clonedObject[key] = depth <= 1 ? val[key] : (val[key] ? clone(val[key], depth - 1) : val[key]);\n }\n\n return clonedObject as T;\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { Terminal as ITerminalApi, ITerminalOptions, IMarker, IDisposable, ILinkMatcherOptions, ITheme, ILocalizableStrings, ITerminalAddon, ISelectionPosition, IBuffer as IBufferApi, IBufferLine as IBufferLineApi, IBufferCell as IBufferCellApi, IParser, IFunctionIdentifier } from 'xterm';\nimport { ITerminal } from '../Types';\nimport { IBufferLine } from 'common/Types';\nimport { IBuffer } from 'common/buffer/Types';\nimport { Terminal as TerminalCore } from '../Terminal';\nimport * as Strings from '../browser/LocalizableStrings';\nimport { IEvent } from 'common/EventEmitter';\nimport { AddonManager } from './AddonManager';\nimport { IParams } from 'common/parser/Types';\n\nexport class Terminal implements ITerminalApi {\n private _core: ITerminal;\n private _addonManager: AddonManager;\n private _parser: IParser;\n\n constructor(options?: ITerminalOptions) {\n this._core = new TerminalCore(options);\n this._addonManager = new AddonManager();\n }\n\n public get onCursorMove(): IEvent<void> { return this._core.onCursorMove; }\n public get onLineFeed(): IEvent<void> { return this._core.onLineFeed; }\n public get onSelectionChange(): IEvent<void> { return this._core.onSelectionChange; }\n public get onData(): IEvent<string> { return this._core.onData; }\n public get onBinary(): IEvent<string> { return this._core.onBinary; }\n public get onTitleChange(): IEvent<string> { return this._core.onTitleChange; }\n public get onScroll(): IEvent<number> { return this._core.onScroll; }\n public get onKey(): IEvent<{ key: string, domEvent: KeyboardEvent }> { return this._core.onKey; }\n public get onRender(): IEvent<{ start: number, end: number }> { return this._core.onRender; }\n public get onResize(): IEvent<{ cols: number, rows: number }> { return this._core.onResize; }\n\n public get element(): HTMLElement | undefined { return this._core.element; }\n public get parser(): IParser {\n if (!this._parser) {\n this._parser = new ParserApi(this._core);\n }\n return this._parser;\n }\n public get textarea(): HTMLTextAreaElement | undefined { return this._core.textarea; }\n public get rows(): number { return this._core.rows; }\n public get cols(): number { return this._core.cols; }\n public get buffer(): IBufferApi { return new BufferApiView(this._core.buffer); }\n public get markers(): ReadonlyArray<IMarker> { return this._core.markers; }\n public blur(): void {\n this._core.blur();\n }\n public focus(): void {\n this._core.focus();\n }\n public resize(columns: number, rows: number): void {\n this._verifyIntegers(columns, rows);\n this._core.resize(columns, rows);\n }\n public open(parent: HTMLElement): void {\n this._core.open(parent);\n }\n public attachCustomKeyEventHandler(customKeyEventHandler: (event: KeyboardEvent) => boolean): void {\n this._core.attachCustomKeyEventHandler(customKeyEventHandler);\n }\n public registerLinkMatcher(regex: RegExp, handler: (event: MouseEvent, uri: string) => void, options?: ILinkMatcherOptions): number {\n return this._core.registerLinkMatcher(regex, handler, options);\n }\n public deregisterLinkMatcher(matcherId: number): void {\n this._core.deregisterLinkMatcher(matcherId);\n }\n public registerCharacterJoiner(handler: (text: string) => [number, number][]): number {\n return this._core.registerCharacterJoiner(handler);\n }\n public deregisterCharacterJoiner(joinerId: number): void {\n this._core.deregisterCharacterJoiner(joinerId);\n }\n public addMarker(cursorYOffset: number): IMarker {\n this._verifyIntegers(cursorYOffset);\n return this._core.addMarker(cursorYOffset);\n }\n public hasSelection(): boolean {\n return this._core.hasSelection();\n }\n public select(column: number, row: number, length: number): void {\n this._verifyIntegers(column, row, length);\n this._core.select(column, row, length);\n }\n public getSelection(): string {\n return this._core.getSelection();\n }\n public getSelectionPosition(): ISelectionPosition | undefined {\n return this._core.getSelectionPosition();\n }\n public clearSelection(): void {\n this._core.clearSelection();\n }\n public selectAll(): void {\n this._core.selectAll();\n }\n public selectLines(start: number, end: number): void {\n this._verifyIntegers(start, end);\n this._core.selectLines(start, end);\n }\n public dispose(): void {\n this._addonManager.dispose();\n this._core.dispose();\n }\n public scrollLines(amount: number): void {\n this._verifyIntegers(amount);\n this._core.scrollLines(amount);\n }\n public scrollPages(pageCount: number): void {\n this._verifyIntegers(pageCount);\n this._core.scrollPages(pageCount);\n }\n public scrollToTop(): void {\n this._core.scrollToTop();\n }\n public scrollToBottom(): void {\n this._core.scrollToBottom();\n }\n public scrollToLine(line: number): void {\n this._verifyIntegers(line);\n this._core.scrollToLine(line);\n }\n public clear(): void {\n this._core.clear();\n }\n public write(data: string | Uint8Array, callback?: () => void): void {\n this._core.write(data, callback);\n }\n public writeUtf8(data: Uint8Array, callback?: () => void): void {\n this._core.write(data, callback);\n }\n public writeln(data: string | Uint8Array, callback?: () => void): void {\n this._core.write(data);\n this._core.write('\\r\\n', callback);\n }\n public paste(data: string): void {\n this._core.paste(data);\n }\n public getOption(key: 'bellSound' | 'bellStyle' | 'cursorStyle' | 'fontFamily' | 'fontWeight' | 'fontWeightBold' | 'logLevel' | 'rendererType' | 'termName' | 'wordSeparator'): string;\n public getOption(key: 'allowTransparency' | 'cancelEvents' | 'convertEol' | 'cursorBlink' | 'disableStdin' | 'macOptionIsMeta' | 'rightClickSelectsWord' | 'popOnBell' | 'screenKeys' | 'useFlowControl' | 'visualBell'): boolean;\n public getOption(key: 'colors'): string[];\n public getOption(key: 'cols' | 'fontSize' | 'letterSpacing' | 'lineHeight' | 'rows' | 'tabStopWidth' | 'scrollback'): number;\n public getOption(key: 'handler'): (data: string) => void;\n public getOption(key: string): any;\n public getOption(key: any): any {\n return this._core.optionsService.getOption(key);\n }\n public setOption(key: 'bellSound' | 'fontFamily' | 'termName' | 'wordSeparator', value: string): void;\n public setOption(key: 'fontWeight' | 'fontWeightBold', value: 'normal' | 'bold' | '100' | '200' | '300' | '400' | '500' | '600' | '700' | '800' | '900'): void;\n public setOption(key: 'logLevel', value: 'debug' | 'info' | 'warn' | 'error' | 'off'): void;\n public setOption(key: 'bellStyle', value: 'none' | 'visual' | 'sound' | 'both'): void;\n public setOption(key: 'cursorStyle', value: 'block' | 'underline' | 'bar'): void;\n public setOption(key: 'allowTransparency' | 'cancelEvents' | 'convertEol' | 'cursorBlink' | 'disableStdin' | 'macOptionIsMeta' | 'rightClickSelectsWord' | 'popOnBell' | 'screenKeys' | 'useFlowControl' | 'visualBell', value: boolean): void;\n public setOption(key: 'colors', value: string[]): void;\n public setOption(key: 'fontSize' | 'letterSpacing' | 'lineHeight' | 'tabStopWidth' | 'scrollback', value: number): void;\n public setOption(key: 'handler', value: (data: string) => void): void;\n public setOption(key: 'theme', value: ITheme): void;\n public setOption(key: 'cols' | 'rows', value: number): void;\n public setOption(key: string, value: any): void;\n public setOption(key: any, value: any): void {\n this._core.optionsService.setOption(key, value);\n }\n public refresh(start: number, end: number): void {\n this._verifyIntegers(start, end);\n this._core.refresh(start, end);\n }\n public reset(): void {\n this._core.reset();\n }\n public loadAddon(addon: ITerminalAddon): void {\n return this._addonManager.loadAddon(this, addon);\n }\n public static get strings(): ILocalizableStrings {\n return Strings;\n }\n\n private _verifyIntegers(...values: number[]): void {\n values.forEach(value => {\n if (value === Infinity || isNaN(value) || value % 1 !== 0) {\n throw new Error('This API only accepts integers');\n }\n });\n }\n}\n\nclass BufferApiView implements IBufferApi {\n constructor(private _buffer: IBuffer) {}\n\n public get cursorY(): number { return this._buffer.y; }\n public get cursorX(): number { return this._buffer.x; }\n public get viewportY(): number { return this._buffer.ydisp; }\n public get baseY(): number { return this._buffer.ybase; }\n public get length(): number { return this._buffer.lines.length; }\n public getLine(y: number): IBufferLineApi | undefined {\n const line = this._buffer.lines.get(y);\n if (!line) {\n return undefined;\n }\n return new BufferLineApiView(line);\n }\n}\n\nclass BufferLineApiView implements IBufferLineApi {\n constructor(private _line: IBufferLine) {}\n\n public get isWrapped(): boolean { return this._line.isWrapped; }\n public getCell(x: number): IBufferCellApi | undefined {\n if (x < 0 || x >= this._line.length) {\n return undefined;\n }\n return new BufferCellApiView(this._line, x);\n }\n public translateToString(trimRight?: boolean, startColumn?: number, endColumn?: number): string {\n return this._line.translateToString(trimRight, startColumn, endColumn);\n }\n}\n\nclass BufferCellApiView implements IBufferCellApi {\n constructor(private _line: IBufferLine, private _x: number) {}\n public get char(): string { return this._line.getString(this._x); }\n public get width(): number { return this._line.getWidth(this._x); }\n}\n\nclass ParserApi implements IParser {\n constructor(private _core: ITerminal) {}\n\n public addCsiHandler(id: IFunctionIdentifier, callback: (params: (number | number[])[]) => boolean): IDisposable {\n return this._core.addCsiHandler(id, (params: IParams) => callback(params.toArray()));\n }\n public addDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: (number | number[])[]) => boolean): IDisposable {\n return this._core.addDcsHandler(id, (data: string, params: IParams) => callback(data, params.toArray()));\n }\n public addEscHandler(id: IFunctionIdentifier, handler: () => boolean): IDisposable {\n return this._core.addEscHandler(id, handler);\n }\n public addOscHandler(ident: number, callback: (data: string) => boolean): IDisposable {\n return this._core.addOscHandler(ident, callback);\n }\n}\n","/**\n * Copyright (c) 2014 The xterm.js authors. All rights reserved.\n * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)\n * @license MIT\n *\n * Originally forked from (with the author's permission):\n * Fabrice Bellard's javascript vt100 for jslinux:\n * http://bellard.org/jslinux/\n * Copyright (c) 2011 Fabrice Bellard\n * The original design remains. The terminal itself\n * has been extended to include xterm CSI codes, among\n * other features.\n *\n * Terminal Emulation References:\n * http://vt100.net/\n * http://invisible-island.net/xterm/ctlseqs/ctlseqs.txt\n * http://invisible-island.net/xterm/ctlseqs/ctlseqs.html\n * http://invisible-island.net/vttest/\n * http://www.inwap.com/pdp10/ansicode.txt\n * http://linux.die.net/man/4/console_codes\n * http://linux.die.net/man/7/urxvt\n */\n\nimport { IInputHandlingTerminal, ICompositionHelper, ITerminalOptions, ITerminal, IBrowser, CustomKeyEventHandler } from './Types';\nimport { IRenderer, CharacterJoinerHandler } from 'browser/renderer/Types';\nimport { CompositionHelper } from 'browser/input/CompositionHelper';\nimport { Viewport } from 'browser/Viewport';\nimport { rightClickHandler, moveTextAreaUnderMouseCursor, handlePasteEvent, copyHandler, paste } from 'browser/Clipboard';\nimport { C0 } from 'common/data/EscapeSequences';\nimport { InputHandler } from './InputHandler';\nimport { Renderer } from 'browser/renderer/Renderer';\nimport { Linkifier } from 'browser/Linkifier';\nimport { SelectionService } from 'browser/services/SelectionService';\nimport * as Browser from 'common/Platform';\nimport { addDisposableDomListener } from 'browser/Lifecycle';\nimport * as Strings from 'browser/LocalizableStrings';\nimport { SoundService } from 'browser/services/SoundService';\nimport { MouseZoneManager } from 'browser/MouseZoneManager';\nimport { AccessibilityManager } from './AccessibilityManager';\nimport { ITheme, IMarker, IDisposable, ISelectionPosition } from 'xterm';\nimport { DomRenderer } from 'browser/renderer/dom/DomRenderer';\nimport { IKeyboardEvent, KeyboardResultType, ICharset, IBufferLine, IAttributeData, CoreMouseEventType, CoreMouseButton, CoreMouseAction } from 'common/Types';\nimport { evaluateKeyboardEvent } from 'common/input/Keyboard';\nimport { EventEmitter, IEvent } from 'common/EventEmitter';\nimport { DEFAULT_ATTR_DATA } from 'common/buffer/BufferLine';\nimport { handleWindowsModeLineFeed } from 'common/WindowsMode';\nimport { ColorManager } from 'browser/ColorManager';\nimport { RenderService } from 'browser/services/RenderService';\nimport { IOptionsService, IBufferService, ICoreMouseService, ICoreService, ILogService, IDirtyRowService, IInstantiationService } from 'common/services/Services';\nimport { OptionsService } from 'common/services/OptionsService';\nimport { ICharSizeService, IRenderService, IMouseService, ISelectionService, ISoundService, ICoreBrowserService } from 'browser/services/Services';\nimport { CharSizeService } from 'browser/services/CharSizeService';\nimport { BufferService, MINIMUM_COLS, MINIMUM_ROWS } from 'common/services/BufferService';\nimport { Disposable } from 'common/Lifecycle';\nimport { IBufferSet, IBuffer } from 'common/buffer/Types';\nimport { Attributes } from 'common/buffer/Constants';\nimport { MouseService } from 'browser/services/MouseService';\nimport { IParams, IFunctionIdentifier } from 'common/parser/Types';\nimport { CoreService } from 'common/services/CoreService';\nimport { LogService } from 'common/services/LogService';\nimport { ILinkifier, IMouseZoneManager, LinkMatcherHandler, ILinkMatcherOptions, IViewport } from 'browser/Types';\nimport { DirtyRowService } from 'common/services/DirtyRowService';\nimport { InstantiationService } from 'common/services/InstantiationService';\nimport { CoreMouseService } from 'common/services/CoreMouseService';\nimport { WriteBuffer } from 'common/input/WriteBuffer';\nimport { CoreBrowserService } from 'browser/services/CoreBrowserService';\n\n// Let it work inside Node.js for automated testing purposes.\nconst document = (typeof window !== 'undefined') ? window.document : null;\n\n\nexport class Terminal extends Disposable implements ITerminal, IDisposable, IInputHandlingTerminal {\n public textarea: HTMLTextAreaElement;\n public element: HTMLElement;\n public screenElement: HTMLElement;\n\n /**\n * The HTMLElement that the terminal is created in, set by Terminal.open.\n */\n private _parent: HTMLElement | null;\n private _document: Document;\n private _viewportScrollArea: HTMLElement;\n private _viewportElement: HTMLElement;\n private _helperContainer: HTMLElement;\n private _compositionView: HTMLElement;\n\n private _visualBellTimer: number;\n\n public browser: IBrowser = <any>Browser;\n\n // TODO: We should remove options once components adopt optionsService\n public get options(): ITerminalOptions { return this.optionsService.options; }\n\n private _customKeyEventHandler: CustomKeyEventHandler;\n\n // common services\n private _bufferService: IBufferService;\n private _coreService: ICoreService;\n private _coreMouseService: ICoreMouseService;\n private _dirtyRowService: IDirtyRowService;\n private _instantiationService: IInstantiationService;\n private _logService: ILogService;\n public optionsService: IOptionsService;\n\n // browser services\n private _charSizeService: ICharSizeService;\n private _mouseService: IMouseService;\n private _renderService: IRenderService;\n private _selectionService: ISelectionService;\n private _soundService: ISoundService;\n\n // modes\n public applicationKeypad: boolean;\n public originMode: boolean;\n public insertMode: boolean;\n public wraparoundMode: boolean; // defaults: xterm - true, vt100 - false\n public bracketedPasteMode: boolean;\n\n // charset\n // The current charset\n public charset: ICharset;\n public gcharset: number;\n public glevel: number;\n public charsets: ICharset[];\n\n // mouse properties\n public mouseEvents: CoreMouseEventType = CoreMouseEventType.NONE;\n public sendFocus: boolean;\n\n // misc\n public savedCols: number;\n\n public curAttrData: IAttributeData;\n private _eraseAttrData: IAttributeData;\n\n public params: (string | number)[];\n public currentParam: string | number;\n\n // write buffer\n private _writeBuffer: WriteBuffer;\n\n // Store if user went browsing history in scrollback\n private _userScrolling: boolean;\n\n /**\n * Records whether the keydown event has already been handled and triggered a data event, if so\n * the keypress event should not trigger a data event but should still print to the textarea so\n * screen readers will announce it.\n */\n private _keyDownHandled: boolean = false;\n\n private _inputHandler: InputHandler;\n public linkifier: ILinkifier;\n public viewport: IViewport;\n private _compositionHelper: ICompositionHelper;\n private _mouseZoneManager: IMouseZoneManager;\n private _accessibilityManager: AccessibilityManager;\n private _colorManager: ColorManager;\n private _theme: ITheme;\n private _windowsMode: IDisposable | undefined;\n\n // bufferline to clone/copy from for new blank lines\n private _blankLine: IBufferLine = null;\n\n public get cols(): number { return this._bufferService.cols; }\n public get rows(): number { return this._bufferService.rows; }\n\n private _onCursorMove = new EventEmitter<void>();\n public get onCursorMove(): IEvent<void> { return this._onCursorMove.event; }\n private _onData = new EventEmitter<string>();\n public get onData(): IEvent<string> { return this._onData.event; }\n private _onBinary = new EventEmitter<string>();\n public get onBinary(): IEvent<string> { return this._onBinary.event; }\n private _onKey = new EventEmitter<{ key: string, domEvent: KeyboardEvent }>();\n public get onKey(): IEvent<{ key: string, domEvent: KeyboardEvent }> { return this._onKey.event; }\n private _onLineFeed = new EventEmitter<void>();\n public get onLineFeed(): IEvent<void> { return this._onLineFeed.event; }\n private _onRender = new EventEmitter<{ start: number, end: number }>();\n public get onRender(): IEvent<{ start: number, end: number }> { return this._onRender.event; }\n private _onResize = new EventEmitter<{ cols: number, rows: number }>();\n public get onResize(): IEvent<{ cols: number, rows: number }> { return this._onResize.event; }\n private _onScroll = new EventEmitter<number>();\n public get onScroll(): IEvent<number> { return this._onScroll.event; }\n private _onSelectionChange = new EventEmitter<void>();\n public get onSelectionChange(): IEvent<void> { return this._onSelectionChange.event; }\n private _onTitleChange = new EventEmitter<string>();\n public get onTitleChange(): IEvent<string> { return this._onTitleChange.event; }\n\n private _onFocus = new EventEmitter<void>();\n public get onFocus(): IEvent<void> { return this._onFocus.event; }\n private _onBlur = new EventEmitter<void>();\n public get onBlur(): IEvent<void> { return this._onBlur.event; }\n public onA11yCharEmitter = new EventEmitter<string>();\n public get onA11yChar(): IEvent<string> { return this.onA11yCharEmitter.event; }\n public onA11yTabEmitter = new EventEmitter<number>();\n public get onA11yTab(): IEvent<number> { return this.onA11yTabEmitter.event; }\n\n /**\n * Creates a new `Terminal` object.\n *\n * @param options An object containing a set of options, the available options are:\n * - `cursorBlink` (boolean): Whether the terminal cursor blinks\n * - `cols` (number): The number of columns of the terminal (horizontal size)\n * - `rows` (number): The number of rows of the terminal (vertical size)\n *\n * @public\n * @class Xterm Xterm\n * @alias module:xterm/src/xterm\n */\n constructor(\n options: ITerminalOptions = {}\n ) {\n super();\n\n // Setup and initialize common services\n this._instantiationService = new InstantiationService();\n this.optionsService = new OptionsService(options);\n this._instantiationService.setService(IOptionsService, this.optionsService);\n this._bufferService = this._instantiationService.createInstance(BufferService);\n this._instantiationService.setService(IBufferService, this._bufferService);\n this._logService = this._instantiationService.createInstance(LogService);\n this._instantiationService.setService(ILogService, this._logService);\n this._coreService = this._instantiationService.createInstance(CoreService, () => this.scrollToBottom());\n this._instantiationService.setService(ICoreService, this._coreService);\n this._coreService.onData(e => this._onData.fire(e));\n this._coreService.onBinary(e => this._onBinary.fire(e));\n this._coreMouseService = this._instantiationService.createInstance(CoreMouseService);\n this._instantiationService.setService(ICoreMouseService, this._coreMouseService);\n this._dirtyRowService = this._instantiationService.createInstance(DirtyRowService);\n this._instantiationService.setService(IDirtyRowService, this._dirtyRowService);\n\n this._setupOptionsListeners();\n this._setup();\n\n this._writeBuffer = new WriteBuffer(data => this._inputHandler.parse(data));\n }\n\n public dispose(): void {\n if (this._isDisposed) {\n return;\n }\n super.dispose();\n this._windowsMode?.dispose();\n this._windowsMode = undefined;\n this._renderService?.dispose();\n this._customKeyEventHandler = null;\n this.write = () => {};\n this.element?.parentNode?.removeChild(this.element);\n }\n\n private _setup(): void {\n this._parent = document ? document.body : null;\n\n this._customKeyEventHandler = null;\n\n // modes\n this.applicationKeypad = false;\n this.originMode = false;\n this.insertMode = false;\n this.wraparoundMode = true; // defaults: xterm - true, vt100 - false\n this.bracketedPasteMode = false;\n\n // charset\n this.charset = null;\n this.gcharset = null;\n this.glevel = 0;\n // TODO: Can this be just []?\n this.charsets = [null];\n\n this.curAttrData = DEFAULT_ATTR_DATA.clone();\n this._eraseAttrData = DEFAULT_ATTR_DATA.clone();\n\n this.params = [];\n this.currentParam = 0;\n\n this._userScrolling = false;\n\n // Register input handler and refire/handle events\n this._inputHandler = new InputHandler(this, this._bufferService, this._coreService, this._dirtyRowService, this._logService, this.optionsService, this._coreMouseService);\n this._inputHandler.onCursorMove(() => this._onCursorMove.fire());\n this._inputHandler.onLineFeed(() => this._onLineFeed.fire());\n this.register(this._inputHandler);\n\n this.linkifier = this.linkifier || new Linkifier(this._bufferService, this._logService);\n\n if (this.options.windowsMode) {\n this._enableWindowsMode();\n }\n }\n\n private _enableWindowsMode(): void {\n if (!this._windowsMode) {\n this._windowsMode = this.onLineFeed(handleWindowsModeLineFeed.bind(null, this._bufferService));\n }\n }\n\n /**\n * Convenience property to active buffer.\n */\n public get buffer(): IBuffer {\n return this.buffers.active;\n }\n\n public get buffers(): IBufferSet {\n return this._bufferService.buffers;\n }\n\n /**\n * back_color_erase feature for xterm.\n */\n public eraseAttrData(): IAttributeData {\n this._eraseAttrData.bg &= ~(Attributes.CM_MASK | 0xFFFFFF);\n this._eraseAttrData.bg |= this.curAttrData.bg & ~0xFC000000;\n return this._eraseAttrData;\n }\n\n /**\n * Focus the terminal. Delegates focus handling to the terminal's DOM element.\n */\n public focus(): void {\n if (this.textarea) {\n this.textarea.focus({ preventScroll: true });\n }\n }\n\n private _setupOptionsListeners(): void {\n // TODO: These listeners should be owned by individual components\n this.optionsService.onOptionChange(key => {\n switch (key) {\n case 'fontFamily':\n case 'fontSize':\n // When the font changes the size of the cells may change which requires a renderer clear\n this._renderService?.clear();\n this._charSizeService?.measure();\n break;\n case 'drawBoldTextInBrightColors':\n case 'letterSpacing':\n case 'lineHeight':\n case 'fontWeight':\n case 'fontWeightBold':\n case 'minimumContrastRatio':\n // When the font changes the size of the cells may change which requires a renderer clear\n if (this._renderService) {\n this._renderService.clear();\n this._renderService.onResize(this.cols, this.rows);\n this.refresh(0, this.rows - 1);\n }\n break;\n case 'rendererType':\n if (this._renderService) {\n this._renderService.setRenderer(this._createRenderer());\n this._renderService.onResize(this.cols, this.rows);\n }\n break;\n case 'scrollback':\n this.buffers.resize(this.cols, this.rows);\n this.viewport?.syncScrollArea();\n break;\n case 'screenReaderMode':\n if (this.optionsService.options.screenReaderMode) {\n if (!this._accessibilityManager && this._renderService) {\n this._accessibilityManager = new AccessibilityManager(this, this._renderService);\n }\n } else {\n this._accessibilityManager?.dispose();\n this._accessibilityManager = null;\n }\n break;\n case 'tabStopWidth': this.buffers.setupTabStops(); break;\n case 'theme':\n this._setTheme(this.optionsService.options.theme);\n break;\n case 'windowsMode':\n if (this.optionsService.options.windowsMode) {\n this._enableWindowsMode();\n } else {\n this._windowsMode?.dispose();\n this._windowsMode = undefined;\n }\n break;\n }\n });\n }\n\n /**\n * Binds the desired focus behavior on a given terminal object.\n */\n private _onTextAreaFocus(ev: KeyboardEvent): void {\n if (this.sendFocus) {\n this._coreService.triggerDataEvent(C0.ESC + '[I');\n }\n this.updateCursorStyle(ev);\n this.element.classList.add('focus');\n this.showCursor();\n this._onFocus.fire();\n }\n\n /**\n * Blur the terminal, calling the blur function on the terminal's underlying\n * textarea.\n */\n public blur(): void {\n return this.textarea.blur();\n }\n\n /**\n * Binds the desired blur behavior on a given terminal object.\n */\n private _onTextAreaBlur(): void {\n // Text can safely be removed on blur. Doing it earlier could interfere with\n // screen readers reading it out.\n this.textarea.value = '';\n this.refresh(this.buffer.y, this.buffer.y);\n if (this.sendFocus) {\n this._coreService.triggerDataEvent(C0.ESC + '[O');\n }\n this.element.classList.remove('focus');\n this._onBlur.fire();\n }\n\n /**\n * Initialize default behavior\n */\n private _initGlobal(): void {\n this._bindKeys();\n\n // Bind clipboard functionality\n this.register(addDisposableDomListener(this.element, 'copy', (event: ClipboardEvent) => {\n // If mouse events are active it means the selection manager is disabled and\n // copy should be handled by the host program.\n if (!this.hasSelection()) {\n return;\n }\n copyHandler(event, this._selectionService);\n }));\n const pasteHandlerWrapper = (event: ClipboardEvent) => handlePasteEvent(event, this.textarea, this.bracketedPasteMode, this._coreService);\n this.register(addDisposableDomListener(this.textarea, 'paste', pasteHandlerWrapper));\n this.register(addDisposableDomListener(this.element, 'paste', pasteHandlerWrapper));\n\n // Handle right click context menus\n if (Browser.isFirefox) {\n // Firefox doesn't appear to fire the contextmenu event on right click\n this.register(addDisposableDomListener(this.element, 'mousedown', (event: MouseEvent) => {\n if (event.button === 2) {\n rightClickHandler(event, this.textarea, this.screenElement, this._selectionService, this.options.rightClickSelectsWord);\n }\n }));\n } else {\n this.register(addDisposableDomListener(this.element, 'contextmenu', (event: MouseEvent) => {\n rightClickHandler(event, this.textarea, this.screenElement, this._selectionService, this.options.rightClickSelectsWord);\n }));\n }\n\n // Move the textarea under the cursor when middle clicking on Linux to ensure\n // middle click to paste selection works. This only appears to work in Chrome\n // at the time is writing.\n if (Browser.isLinux) {\n // Use auxclick event over mousedown the latter doesn't seem to work. Note\n // that the regular click event doesn't fire for the middle mouse button.\n this.register(addDisposableDomListener(this.element, 'auxclick', (event: MouseEvent) => {\n if (event.button === 1) {\n moveTextAreaUnderMouseCursor(event, this.textarea, this.screenElement);\n }\n }));\n }\n }\n\n /**\n * Apply key handling to the terminal\n */\n private _bindKeys(): void {\n this.register(addDisposableDomListener(this.textarea, 'keyup', (ev: KeyboardEvent) => this._keyUp(ev), true));\n this.register(addDisposableDomListener(this.textarea, 'keydown', (ev: KeyboardEvent) => this._keyDown(ev), true));\n this.register(addDisposableDomListener(this.textarea, 'keypress', (ev: KeyboardEvent) => this._keyPress(ev), true));\n this.register(addDisposableDomListener(this.textarea, 'compositionstart', () => this._compositionHelper.compositionstart()));\n this.register(addDisposableDomListener(this.textarea, 'compositionupdate', (e: CompositionEvent) => this._compositionHelper.compositionupdate(e)));\n this.register(addDisposableDomListener(this.textarea, 'compositionend', () => this._compositionHelper.compositionend()));\n this.register(this.onRender(() => this._compositionHelper.updateCompositionElements()));\n this.register(this.onRender(e => this._queueLinkification(e.start, e.end)));\n }\n\n /**\n * Opens the terminal within an element.\n *\n * @param parent The element to create the terminal within.\n */\n public open(parent: HTMLElement): void {\n this._parent = parent || this._parent;\n\n if (!this._parent) {\n throw new Error('Terminal requires a parent element.');\n }\n\n if (!document.body.contains(parent)) {\n this._logService.warn('Terminal.open was called on an element that was not attached to the DOM');\n }\n\n this._document = this._parent.ownerDocument;\n\n // Create main element container\n this.element = this._document.createElement('div');\n this.element.dir = 'ltr'; // xterm.css assumes LTR\n this.element.classList.add('terminal');\n this.element.classList.add('xterm');\n this.element.setAttribute('tabindex', '0');\n this._parent.appendChild(this.element);\n\n // Performance: Use a document fragment to build the terminal\n // viewport and helper elements detached from the DOM\n const fragment = document.createDocumentFragment();\n this._viewportElement = document.createElement('div');\n this._viewportElement.classList.add('xterm-viewport');\n fragment.appendChild(this._viewportElement);\n this._viewportScrollArea = document.createElement('div');\n this._viewportScrollArea.classList.add('xterm-scroll-area');\n this._viewportElement.appendChild(this._viewportScrollArea);\n\n this.screenElement = document.createElement('div');\n this.screenElement.classList.add('xterm-screen');\n // Create the container that will hold helpers like the textarea for\n // capturing DOM Events. Then produce the helpers.\n this._helperContainer = document.createElement('div');\n this._helperContainer.classList.add('xterm-helpers');\n this.screenElement.appendChild(this._helperContainer);\n fragment.appendChild(this.screenElement);\n\n this.textarea = document.createElement('textarea');\n this.textarea.classList.add('xterm-helper-textarea');\n this.textarea.setAttribute('aria-label', Strings.promptLabel);\n this.textarea.setAttribute('aria-multiline', 'false');\n this.textarea.setAttribute('autocorrect', 'off');\n this.textarea.setAttribute('autocapitalize', 'off');\n this.textarea.setAttribute('spellcheck', 'false');\n this.textarea.tabIndex = 0;\n this.register(addDisposableDomListener(this.textarea, 'focus', (ev: KeyboardEvent) => this._onTextAreaFocus(ev)));\n this.register(addDisposableDomListener(this.textarea, 'blur', () => this._onTextAreaBlur()));\n this._helperContainer.appendChild(this.textarea);\n\n const coreBrowserService = this._instantiationService.createInstance(CoreBrowserService, this.textarea);\n this._instantiationService.setService(ICoreBrowserService, coreBrowserService);\n\n this._charSizeService = this._instantiationService.createInstance(CharSizeService, this._document, this._helperContainer);\n this._instantiationService.setService(ICharSizeService, this._charSizeService);\n\n this._compositionView = document.createElement('div');\n this._compositionView.classList.add('composition-view');\n this._compositionHelper = this._instantiationService.createInstance(CompositionHelper, this.textarea, this._compositionView);\n this._helperContainer.appendChild(this._compositionView);\n\n // Performance: Add viewport and helper elements from the fragment\n this.element.appendChild(fragment);\n\n this._theme = this.options.theme || this._theme;\n this.options.theme = undefined;\n this._colorManager = new ColorManager(document, this.options.allowTransparency);\n this.optionsService.onOptionChange(e => this._colorManager.onOptionsChange(e));\n this._colorManager.setTheme(this._theme);\n\n const renderer = this._createRenderer();\n this._renderService = this._instantiationService.createInstance(RenderService, renderer, this.rows, this.screenElement);\n this._instantiationService.setService(IRenderService, this._renderService);\n this._renderService.onRender(e => this._onRender.fire(e));\n this.onResize(e => this._renderService.resize(e.cols, e.rows));\n\n this._soundService = this._instantiationService.createInstance(SoundService);\n this._instantiationService.setService(ISoundService, this._soundService);\n this._mouseService = this._instantiationService.createInstance(MouseService);\n this._instantiationService.setService(IMouseService, this._mouseService);\n\n this.viewport = this._instantiationService.createInstance(Viewport,\n (amount: number, suppressEvent: boolean) => this.scrollLines(amount, suppressEvent),\n this._viewportElement,\n this._viewportScrollArea\n );\n this.viewport.onThemeChange(this._colorManager.colors);\n this.register(this.viewport);\n\n this.register(this.onCursorMove(() => this._renderService.onCursorMove()));\n this.register(this.onResize(() => this._renderService.onResize(this.cols, this.rows)));\n this.register(this.onBlur(() => this._renderService.onBlur()));\n this.register(this.onFocus(() => this._renderService.onFocus()));\n this.register(this._renderService.onDimensionsChange(() => this.viewport.syncScrollArea()));\n\n this._selectionService = this._instantiationService.createInstance(SelectionService,\n (amount: number, suppressEvent: boolean) => this.scrollLines(amount, suppressEvent),\n this.element,\n this.screenElement);\n this._instantiationService.setService(ISelectionService, this._selectionService);\n this.register(this._selectionService.onSelectionChange(() => this._onSelectionChange.fire()));\n this.register(this._selectionService.onRedrawRequest(e => this._renderService.onSelectionChanged(e.start, e.end, e.columnSelectMode)));\n this.register(this._selectionService.onLinuxMouseSelection(text => {\n // If there's a new selection, put it into the textarea, focus and select it\n // in order to register it as a selection on the OS. This event is fired\n // only on Linux to enable middle click to paste selection.\n this.textarea.value = text;\n this.textarea.focus();\n this.textarea.select();\n }));\n this.register(this.onScroll(() => {\n this.viewport.syncScrollArea();\n this._selectionService.refresh();\n }));\n this.register(addDisposableDomListener(this._viewportElement, 'scroll', () => this._selectionService.refresh()));\n\n this._mouseZoneManager = this._instantiationService.createInstance(MouseZoneManager, this.element, this.screenElement);\n this.register(this._mouseZoneManager);\n this.register(this.onScroll(() => this._mouseZoneManager.clearAll()));\n this.linkifier.attachToDom(this.element, this._mouseZoneManager);\n\n // This event listener must be registered aftre MouseZoneManager is created\n this.register(addDisposableDomListener(this.element, 'mousedown', (e: MouseEvent) => this._selectionService.onMouseDown(e)));\n\n // apply mouse event classes set by escape codes before terminal was attached\n if (this.mouseEvents) {\n this._selectionService.disable();\n this.element.classList.add('enable-mouse-events');\n } else {\n this._selectionService.enable();\n }\n\n if (this.options.screenReaderMode) {\n // Note that this must be done *after* the renderer is created in order to\n // ensure the correct order of the dprchange event\n this._accessibilityManager = new AccessibilityManager(this, this._renderService);\n }\n\n // Measure the character size\n this._charSizeService.measure();\n\n // Setup loop that draws to screen\n this.refresh(0, this.rows - 1);\n\n // Initialize global actions that need to be taken on the document.\n this._initGlobal();\n\n // Listen for mouse events and translate\n // them into terminal mouse protocols.\n this.bindMouse();\n }\n\n private _createRenderer(): IRenderer {\n switch (this.options.rendererType) {\n case 'canvas': return this._instantiationService.createInstance(Renderer, this._colorManager.colors, this.screenElement, this.linkifier);\n case 'dom': return this._instantiationService.createInstance(DomRenderer, this._colorManager.colors, this.element, this.screenElement, this._viewportElement, this.linkifier);\n default: throw new Error(`Unrecognized rendererType \"${this.options.rendererType}\"`);\n }\n }\n\n /**\n * Sets the theme on the renderer. The renderer must have been initialized.\n * @param theme The theme to set.\n */\n private _setTheme(theme: ITheme): void {\n this._theme = theme;\n this._colorManager?.setTheme(theme);\n this._renderService?.setColors(this._colorManager.colors);\n this.viewport?.onThemeChange(this._colorManager.colors);\n }\n\n /**\n * Bind certain mouse events to the terminal.\n * By default only 3 button + wheel up/down is ativated. For higher buttons\n * no mouse report will be created. Typically the standard actions will be active.\n *\n * There are several reasons not to enable support for higher buttons/wheel:\n * - Button 4 and 5 are typically used for history back and forward navigation,\n * there is no straight forward way to supress/intercept those standard actions.\n * - Support for higher buttons does not work in some platform/browser combinations.\n * - Left/right wheel was not tested.\n * - Emulators vary in mouse button support, typically only 3 buttons and\n * wheel up/down work reliable.\n *\n * TODO: Move mouse event code into its own file.\n */\n public bindMouse(): void {\n const self = this;\n const el = this.element;\n\n // send event to CoreMouseService\n function sendEvent(ev: MouseEvent | WheelEvent): boolean {\n let pos;\n\n // get mouse coordinates\n pos = self._mouseService.getRawByteCoords(ev, self.screenElement, self.cols, self.rows);\n if (!pos) {\n return false;\n }\n\n let but: CoreMouseButton;\n let action: CoreMouseAction;\n switch ((<any>ev).overrideType || ev.type) {\n case 'mousemove':\n action = CoreMouseAction.MOVE;\n if (ev.buttons === undefined) {\n // buttons is not supported on macOS, try to get a value from button instead\n but = CoreMouseButton.NONE;\n if (ev.button !== undefined) {\n but = ev.button < 3 ? ev.button : CoreMouseButton.NONE;\n }\n } else {\n // according to MDN buttons only reports up to button 5 (AUX2)\n but = ev.buttons & 1 ? CoreMouseButton.LEFT :\n ev.buttons & 4 ? CoreMouseButton.MIDDLE :\n ev.buttons & 2 ? CoreMouseButton.RIGHT :\n CoreMouseButton.NONE; // fallback to NONE\n }\n break;\n case 'mouseup':\n action = CoreMouseAction.UP;\n but = ev.button < 3 ? ev.button : CoreMouseButton.NONE;\n break;\n case 'mousedown':\n action = CoreMouseAction.DOWN;\n but = ev.button < 3 ? ev.button : CoreMouseButton.NONE;\n break;\n case 'wheel':\n // only UP/DOWN wheel events are respected\n if ((ev as WheelEvent).deltaY !== 0) {\n action = (ev as WheelEvent).deltaY < 0 ? CoreMouseAction.UP : CoreMouseAction.DOWN;\n }\n but = CoreMouseButton.WHEEL;\n break;\n default:\n // dont handle other event types by accident\n return false;\n }\n\n // exit if we cannot determine valid button/action values\n // do nothing for higher buttons than wheel\n if (action === undefined || but === undefined || but > CoreMouseButton.WHEEL) {\n return false;\n }\n\n return self._coreMouseService.triggerMouseEvent({\n col: pos.x - 33, // FIXME: why -33 here?\n row: pos.y - 33,\n button: but,\n action,\n ctrl: ev.ctrlKey,\n alt: ev.altKey,\n shift: ev.shiftKey\n });\n }\n\n /**\n * Event listener state handling.\n * We listen to the onProtocolChange event of CoreMouseService and put\n * requested listeners in `requestedEvents`. With this the listeners\n * have all bits to do the event listener juggling.\n * Note: 'mousedown' currently is \"always on\" and not managed\n * by onProtocolChange.\n */\n const requestedEvents: {[key: string]: ((ev: Event) => void) | null} = {\n mouseup: null,\n wheel: null,\n mousedrag: null,\n mousemove: null\n };\n const eventListeners: {[key: string]: (ev: Event) => void} = {\n mouseup: (ev: MouseEvent) => {\n sendEvent(ev);\n if (!ev.buttons) {\n // if no other button is held remove global handlers\n this._document.removeEventListener('mouseup', requestedEvents.mouseup);\n if (requestedEvents.mousedrag) {\n this._document.removeEventListener('mousemove', requestedEvents.mousedrag);\n }\n }\n return this.cancel(ev);\n },\n wheel: (ev: WheelEvent) => {\n sendEvent(ev);\n ev.preventDefault();\n return this.cancel(ev);\n },\n mousedrag: (ev: MouseEvent) => {\n // deal only with move while a button is held\n if (ev.buttons) {\n sendEvent(ev);\n }\n },\n mousemove: (ev: MouseEvent) => {\n // deal only with move without any button\n if (!ev.buttons) {\n sendEvent(ev);\n }\n }\n };\n this._coreMouseService.onProtocolChange(events => {\n // apply global changes on events\n this.mouseEvents = events;\n if (events) {\n if (this.optionsService.options.logLevel === 'debug') {\n this._logService.debug('Binding to mouse events:', this._coreMouseService.explainEvents(events));\n }\n this.element.classList.add('enable-mouse-events');\n this._selectionService.disable();\n } else {\n this._logService.debug('Unbinding from mouse events.');\n this.element.classList.remove('enable-mouse-events');\n this._selectionService.enable();\n }\n\n // add/remove handlers from requestedEvents\n\n if (!(events & CoreMouseEventType.MOVE)) {\n el.removeEventListener('mousemove', requestedEvents.mousemove);\n requestedEvents.mousemove = null;\n } else if (!requestedEvents.mousemove) {\n el.addEventListener('mousemove', eventListeners.mousemove);\n requestedEvents.mousemove = eventListeners.mousemove;\n }\n\n if (!(events & CoreMouseEventType.WHEEL)) {\n el.removeEventListener('wheel', requestedEvents.wheel);\n requestedEvents.wheel = null;\n } else if (!requestedEvents.wheel) {\n el.addEventListener('wheel', eventListeners.wheel);\n requestedEvents.wheel = eventListeners.wheel;\n }\n\n if (!(events & CoreMouseEventType.UP)) {\n this._document.removeEventListener('mouseup', requestedEvents.mouseup);\n requestedEvents.mouseup = null;\n } else if (!requestedEvents.mouseup) {\n requestedEvents.mouseup = eventListeners.mouseup;\n }\n\n if (!(events & CoreMouseEventType.DRAG)) {\n this._document.removeEventListener('mousemove', requestedEvents.mousedrag);\n requestedEvents.mousedrag = null;\n } else if (!requestedEvents.mousedrag) {\n requestedEvents.mousedrag = eventListeners.mousedrag;\n }\n });\n // force initial onProtocolChange so we dont miss early mouse requests\n this._coreMouseService.activeProtocol = this._coreMouseService.activeProtocol;\n\n /**\n * \"Always on\" event listeners.\n */\n this.register(addDisposableDomListener(el, 'mousedown', (ev: MouseEvent) => {\n ev.preventDefault();\n this.focus();\n\n // Don't send the mouse button to the pty if mouse events are disabled or\n // if the selection manager is having selection forced (ie. a modifier is\n // held).\n if (!this.mouseEvents || this._selectionService.shouldForceSelection(ev)) {\n return;\n }\n\n sendEvent(ev);\n\n // Register additional global handlers which should keep reporting outside\n // of the terminal element.\n // Note: Other emulators also do this for 'mousedown' while a button\n // is held, we currently limit 'mousedown' to the terminal only.\n if (requestedEvents.mouseup) {\n this._document.addEventListener('mouseup', requestedEvents.mouseup);\n }\n if (requestedEvents.mousedrag) {\n this._document.addEventListener('mousemove', requestedEvents.mousedrag);\n }\n\n return this.cancel(ev);\n }));\n\n this.register(addDisposableDomListener(el, 'wheel', (ev: WheelEvent) => {\n if (!requestedEvents.wheel) {\n // Convert wheel events into up/down events when the buffer does not have scrollback, this\n // enables scrolling in apps hosted in the alt buffer such as vim or tmux.\n if (!this.buffer.hasScrollback) {\n const amount = this.viewport.getLinesScrolled(ev);\n\n // Do nothing if there's no vertical scroll\n if (amount === 0) {\n return;\n }\n\n // Construct and send sequences\n const sequence = C0.ESC + (this._coreService.decPrivateModes.applicationCursorKeys ? 'O' : '[') + ( ev.deltaY < 0 ? 'A' : 'B');\n let data = '';\n for (let i = 0; i < Math.abs(amount); i++) {\n data += sequence;\n }\n this._coreService.triggerDataEvent(data, true);\n }\n return;\n }\n }));\n\n // allow wheel scrolling in\n // the shell for example\n this.register(addDisposableDomListener(el, 'wheel', (ev: WheelEvent) => {\n if (requestedEvents.wheel) return;\n if (!this.viewport.onWheel(ev)) {\n return this.cancel(ev);\n }\n }));\n\n this.register(addDisposableDomListener(el, 'touchstart', (ev: TouchEvent) => {\n if (this.mouseEvents) return;\n this.viewport.onTouchStart(ev);\n return this.cancel(ev);\n }));\n\n this.register(addDisposableDomListener(el, 'touchmove', (ev: TouchEvent) => {\n if (this.mouseEvents) return;\n if (!this.viewport.onTouchMove(ev)) {\n return this.cancel(ev);\n }\n }));\n }\n\n\n /**\n * Tells the renderer to refresh terminal content between two rows (inclusive) at the next\n * opportunity.\n * @param start The row to start from (between 0 and this.rows - 1).\n * @param end The row to end at (between start and this.rows - 1).\n */\n public refresh(start: number, end: number): void {\n this._renderService?.refreshRows(start, end);\n }\n\n /**\n * Queues linkification for the specified rows.\n * @param start The row to start from (between 0 and this.rows - 1).\n * @param end The row to end at (between start and this.rows - 1).\n */\n private _queueLinkification(start: number, end: number): void {\n this.linkifier?.linkifyRows(start, end);\n }\n\n /**\n * Change the cursor style for different selection modes\n */\n public updateCursorStyle(ev: KeyboardEvent): void {\n if (this._selectionService && this._selectionService.shouldColumnSelect(ev)) {\n this.element.classList.add('column-select');\n } else {\n this.element.classList.remove('column-select');\n }\n }\n\n /**\n * Display the cursor element\n */\n public showCursor(): void {\n if (!this._coreService.isCursorInitialized) {\n this._coreService.isCursorInitialized = true;\n this.refresh(this.buffer.y, this.buffer.y);\n }\n }\n\n /**\n * Scroll the terminal down 1 row, creating a blank line.\n * @param isWrapped Whether the new line is wrapped from the previous line.\n */\n public scroll(isWrapped: boolean = false): void {\n let newLine: IBufferLine;\n newLine = this._blankLine;\n const eraseAttr = this.eraseAttrData();\n if (!newLine || newLine.length !== this.cols || newLine.getFg(0) !== eraseAttr.fg || newLine.getBg(0) !== eraseAttr.bg) {\n newLine = this.buffer.getBlankLine(eraseAttr, isWrapped);\n this._blankLine = newLine;\n }\n newLine.isWrapped = isWrapped;\n\n const topRow = this.buffer.ybase + this.buffer.scrollTop;\n const bottomRow = this.buffer.ybase + this.buffer.scrollBottom;\n\n if (this.buffer.scrollTop === 0) {\n // Determine whether the buffer is going to be trimmed after insertion.\n const willBufferBeTrimmed = this.buffer.lines.isFull;\n\n // Insert the line using the fastest method\n if (bottomRow === this.buffer.lines.length - 1) {\n if (willBufferBeTrimmed) {\n this.buffer.lines.recycle().copyFrom(newLine);\n } else {\n this.buffer.lines.push(newLine.clone());\n }\n } else {\n this.buffer.lines.splice(bottomRow + 1, 0, newLine.clone());\n }\n\n // Only adjust ybase and ydisp when the buffer is not trimmed\n if (!willBufferBeTrimmed) {\n this.buffer.ybase++;\n // Only scroll the ydisp with ybase if the user has not scrolled up\n if (!this._userScrolling) {\n this.buffer.ydisp++;\n }\n } else {\n // When the buffer is full and the user has scrolled up, keep the text\n // stable unless ydisp is right at the top\n if (this._userScrolling) {\n this.buffer.ydisp = Math.max(this.buffer.ydisp - 1, 0);\n }\n }\n } else {\n // scrollTop is non-zero which means no line will be going to the\n // scrollback, instead we can just shift them in-place.\n const scrollRegionHeight = bottomRow - topRow + 1/*as it's zero-based*/;\n this.buffer.lines.shiftElements(topRow + 1, scrollRegionHeight - 1, -1);\n this.buffer.lines.set(bottomRow, newLine.clone());\n }\n\n // Move the viewport to the bottom of the buffer unless the user is\n // scrolling.\n if (!this._userScrolling) {\n this.buffer.ydisp = this.buffer.ybase;\n }\n\n // Flag rows that need updating\n this._dirtyRowService.markRangeDirty(this.buffer.scrollTop, this.buffer.scrollBottom);\n\n this._onScroll.fire(this.buffer.ydisp);\n }\n\n /**\n * Scroll the display of the terminal\n * @param disp The number of lines to scroll down (negative scroll up).\n * @param suppressScrollEvent Don't emit the scroll event as scrollLines. This is used\n * to avoid unwanted events being handled by the viewport when the event was triggered from the\n * viewport originally.\n */\n public scrollLines(disp: number, suppressScrollEvent?: boolean): void {\n if (disp < 0) {\n if (this.buffer.ydisp === 0) {\n return;\n }\n this._userScrolling = true;\n } else if (disp + this.buffer.ydisp >= this.buffer.ybase) {\n this._userScrolling = false;\n }\n\n const oldYdisp = this.buffer.ydisp;\n this.buffer.ydisp = Math.max(Math.min(this.buffer.ydisp + disp, this.buffer.ybase), 0);\n\n // No change occurred, don't trigger scroll/refresh\n if (oldYdisp === this.buffer.ydisp) {\n return;\n }\n\n if (!suppressScrollEvent) {\n this._onScroll.fire(this.buffer.ydisp);\n }\n\n this.refresh(0, this.rows - 1);\n }\n\n /**\n * Scroll the display of the terminal by a number of pages.\n * @param pageCount The number of pages to scroll (negative scrolls up).\n */\n public scrollPages(pageCount: number): void {\n this.scrollLines(pageCount * (this.rows - 1));\n }\n\n /**\n * Scrolls the display of the terminal to the top.\n */\n public scrollToTop(): void {\n this.scrollLines(-this.buffer.ydisp);\n }\n\n /**\n * Scrolls the display of the terminal to the bottom.\n */\n public scrollToBottom(): void {\n this.scrollLines(this.buffer.ybase - this.buffer.ydisp);\n }\n\n public scrollToLine(line: number): void {\n const scrollAmount = line - this.buffer.ydisp;\n if (scrollAmount !== 0) {\n this.scrollLines(scrollAmount);\n }\n }\n\n public paste(data: string): void {\n paste(data, this.textarea, this.bracketedPasteMode, this._coreService);\n }\n\n /**\n * Attaches a custom key event handler which is run before keys are processed,\n * giving consumers of xterm.js ultimate control as to what keys should be\n * processed by the terminal and what keys should not.\n * @param customKeyEventHandler The custom KeyboardEvent handler to attach.\n * This is a function that takes a KeyboardEvent, allowing consumers to stop\n * propagation and/or prevent the default action. The function returns whether\n * the event should be processed by xterm.js.\n */\n public attachCustomKeyEventHandler(customKeyEventHandler: CustomKeyEventHandler): void {\n this._customKeyEventHandler = customKeyEventHandler;\n }\n\n /** Add handler for ESC escape sequence. See xterm.d.ts for details. */\n public addEscHandler(id: IFunctionIdentifier, callback: () => boolean): IDisposable {\n return this._inputHandler.addEscHandler(id, callback);\n }\n\n /** Add handler for DCS escape sequence. See xterm.d.ts for details. */\n public addDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: IParams) => boolean): IDisposable {\n return this._inputHandler.addDcsHandler(id, callback);\n }\n\n /** Add handler for CSI escape sequence. See xterm.d.ts for details. */\n public addCsiHandler(id: IFunctionIdentifier, callback: (params: IParams) => boolean): IDisposable {\n return this._inputHandler.addCsiHandler(id, callback);\n }\n /** Add handler for OSC escape sequence. See xterm.d.ts for details. */\n public addOscHandler(ident: number, callback: (data: string) => boolean): IDisposable {\n return this._inputHandler.addOscHandler(ident, callback);\n }\n\n /**\n * Registers a link matcher, allowing custom link patterns to be matched and\n * handled.\n * @param regex The regular expression to search for, specifically\n * this searches the textContent of the rows. You will want to use \\s to match\n * a space ' ' character for example.\n * @param handler The callback when the link is called.\n * @param options Options for the link matcher.\n * @return The ID of the new matcher, this can be used to deregister.\n */\n public registerLinkMatcher(regex: RegExp, handler: LinkMatcherHandler, options?: ILinkMatcherOptions): number {\n const matcherId = this.linkifier.registerLinkMatcher(regex, handler, options);\n this.refresh(0, this.rows - 1);\n return matcherId;\n }\n\n /**\n * Deregisters a link matcher if it has been registered.\n * @param matcherId The link matcher's ID (returned after register)\n */\n public deregisterLinkMatcher(matcherId: number): void {\n if (this.linkifier.deregisterLinkMatcher(matcherId)) {\n this.refresh(0, this.rows - 1);\n }\n }\n\n public registerCharacterJoiner(handler: CharacterJoinerHandler): number {\n const joinerId = this._renderService.registerCharacterJoiner(handler);\n this.refresh(0, this.rows - 1);\n return joinerId;\n }\n\n public deregisterCharacterJoiner(joinerId: number): void {\n if (this._renderService.deregisterCharacterJoiner(joinerId)) {\n this.refresh(0, this.rows - 1);\n }\n }\n\n public get markers(): IMarker[] {\n return this.buffer.markers;\n }\n\n public addMarker(cursorYOffset: number): IMarker {\n // Disallow markers on the alt buffer\n if (this.buffer !== this.buffers.normal) {\n return;\n }\n\n return this.buffer.addMarker(this.buffer.ybase + this.buffer.y + cursorYOffset);\n }\n\n /**\n * Gets whether the terminal has an active selection.\n */\n public hasSelection(): boolean {\n return this._selectionService ? this._selectionService.hasSelection : false;\n }\n\n /**\n * Selects text within the terminal.\n * @param column The column the selection starts at..\n * @param row The row the selection starts at.\n * @param length The length of the selection.\n */\n public select(column: number, row: number, length: number): void {\n this._selectionService.setSelection(column, row, length);\n }\n\n /**\n * Gets the terminal's current selection, this is useful for implementing copy\n * behavior outside of xterm.js.\n */\n public getSelection(): string {\n return this._selectionService ? this._selectionService.selectionText : '';\n }\n\n public getSelectionPosition(): ISelectionPosition | undefined {\n if (!this._selectionService.hasSelection) {\n return undefined;\n }\n\n return {\n startColumn: this._selectionService.selectionStart[0],\n startRow: this._selectionService.selectionStart[1],\n endColumn: this._selectionService.selectionEnd[0],\n endRow: this._selectionService.selectionEnd[1]\n };\n }\n\n /**\n * Clears the current terminal selection.\n */\n public clearSelection(): void {\n this._selectionService?.clearSelection();\n }\n\n /**\n * Selects all text within the terminal.\n */\n public selectAll(): void {\n this._selectionService?.selectAll();\n }\n\n public selectLines(start: number, end: number): void {\n this._selectionService?.selectLines(start, end);\n }\n\n /**\n * Handle a keydown event\n * Key Resources:\n * - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent\n * @param ev The keydown event to be handled.\n */\n protected _keyDown(event: KeyboardEvent): boolean {\n this._keyDownHandled = false;\n\n if (this._customKeyEventHandler && this._customKeyEventHandler(event) === false) {\n return false;\n }\n\n if (!this._compositionHelper.keydown(event)) {\n if (this.buffer.ybase !== this.buffer.ydisp) {\n this.scrollToBottom();\n }\n return false;\n }\n\n const result = evaluateKeyboardEvent(event, this._coreService.decPrivateModes.applicationCursorKeys, this.browser.isMac, this.options.macOptionIsMeta);\n\n this.updateCursorStyle(event);\n\n if (result.type === KeyboardResultType.PAGE_DOWN || result.type === KeyboardResultType.PAGE_UP) {\n const scrollCount = this.rows - 1;\n this.scrollLines(result.type === KeyboardResultType.PAGE_UP ? -scrollCount : scrollCount);\n return this.cancel(event, true);\n }\n\n if (result.type === KeyboardResultType.SELECT_ALL) {\n this.selectAll();\n }\n\n if (this._isThirdLevelShift(this.browser, event)) {\n return true;\n }\n\n if (result.cancel) {\n // The event is canceled at the end already, is this necessary?\n this.cancel(event, true);\n }\n\n if (!result.key) {\n return true;\n }\n\n // If ctrl+c or enter is being sent, clear out the textarea. This is done so that screen readers\n // will announce deleted characters. This will not work 100% of the time but it should cover\n // most scenarios.\n if (result.key === C0.ETX || result.key === C0.CR) {\n this.textarea.value = '';\n }\n\n this._onKey.fire({ key: result.key, domEvent: event });\n this.showCursor();\n this._coreService.triggerDataEvent(result.key, true);\n\n // Cancel events when not in screen reader mode so events don't get bubbled up and handled by\n // other listeners. When screen reader mode is enabled, this could cause issues if the event\n // is handled at a higher level, this is a compromise in order to echo keys to the screen\n // reader.\n if (!this.optionsService.options.screenReaderMode) {\n return this.cancel(event, true);\n }\n\n this._keyDownHandled = true;\n }\n\n private _isThirdLevelShift(browser: IBrowser, ev: IKeyboardEvent): boolean {\n const thirdLevelKey =\n (browser.isMac && !this.options.macOptionIsMeta && ev.altKey && !ev.ctrlKey && !ev.metaKey) ||\n (browser.isWindows && ev.altKey && ev.ctrlKey && !ev.metaKey);\n\n if (ev.type === 'keypress') {\n return thirdLevelKey;\n }\n\n // Don't invoke for arrows, pageDown, home, backspace, etc. (on non-keypress events)\n return thirdLevelKey && (!ev.keyCode || ev.keyCode > 47);\n }\n\n /**\n * Set the G level of the terminal\n * @param g\n */\n public setgLevel(g: number): void {\n this.glevel = g;\n this.charset = this.charsets[g];\n }\n\n /**\n * Set the charset for the given G level of the terminal\n * @param g\n * @param charset\n */\n public setgCharset(g: number, charset: ICharset): void {\n this.charsets[g] = charset;\n if (this.glevel === g) {\n this.charset = charset;\n }\n }\n\n protected _keyUp(ev: KeyboardEvent): void {\n if (this._customKeyEventHandler && this._customKeyEventHandler(ev) === false) {\n return;\n }\n\n if (!wasModifierKeyOnlyEvent(ev)) {\n this.focus();\n }\n\n this.updateCursorStyle(ev);\n }\n\n /**\n * Handle a keypress event.\n * Key Resources:\n * - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent\n * @param ev The keypress event to be handled.\n */\n protected _keyPress(ev: KeyboardEvent): boolean {\n let key;\n\n if (this._keyDownHandled) {\n return false;\n }\n\n if (this._customKeyEventHandler && this._customKeyEventHandler(ev) === false) {\n return false;\n }\n\n this.cancel(ev);\n\n if (ev.charCode) {\n key = ev.charCode;\n } else if (ev.which === null || ev.which === undefined) {\n key = ev.keyCode;\n } else if (ev.which !== 0 && ev.charCode !== 0) {\n key = ev.which;\n } else {\n return false;\n }\n\n if (!key || (\n (ev.altKey || ev.ctrlKey || ev.metaKey) && !this._isThirdLevelShift(this.browser, ev)\n )) {\n return false;\n }\n\n key = String.fromCharCode(key);\n\n this._onKey.fire({ key, domEvent: ev });\n this.showCursor();\n this._coreService.triggerDataEvent(key, true);\n\n return true;\n }\n\n /**\n * Ring the bell.\n * Note: We could do sweet things with webaudio here\n */\n public bell(): void {\n if (this._soundBell()) {\n this._soundService.playBellSound();\n }\n\n if (this._visualBell()) {\n this.element.classList.add('visual-bell-active');\n clearTimeout(this._visualBellTimer);\n this._visualBellTimer = window.setTimeout(() => {\n this.element.classList.remove('visual-bell-active');\n }, 200);\n }\n }\n\n /**\n * Resizes the terminal.\n *\n * @param x The number of columns to resize to.\n * @param y The number of rows to resize to.\n */\n public resize(x: number, y: number): void {\n if (isNaN(x) || isNaN(y)) {\n return;\n }\n\n if (x === this.cols && y === this.rows) {\n // Check if we still need to measure the char size (fixes #785).\n if (this._charSizeService && !this._charSizeService.hasValidSize) {\n this._charSizeService.measure();\n }\n return;\n }\n\n if (x < MINIMUM_COLS) x = MINIMUM_COLS;\n if (y < MINIMUM_ROWS) y = MINIMUM_ROWS;\n\n this.buffers.resize(x, y);\n\n this._bufferService.resize(x, y);\n this.buffers.setupTabStops(this.cols);\n\n this._charSizeService?.measure();\n\n // Sync the scroll area to make sure scroll events don't fire and scroll the viewport to an\n // invalid location\n this.viewport.syncScrollArea(true);\n\n this.refresh(0, this.rows - 1);\n this._onResize.fire({ cols: x, rows: y });\n }\n\n /**\n * Clear the entire buffer, making the prompt line the new first line.\n */\n public clear(): void {\n if (this.buffer.ybase === 0 && this.buffer.y === 0) {\n // Don't clear if it's already clear\n return;\n }\n this.buffer.lines.set(0, this.buffer.lines.get(this.buffer.ybase + this.buffer.y));\n this.buffer.lines.length = 1;\n this.buffer.ydisp = 0;\n this.buffer.ybase = 0;\n this.buffer.y = 0;\n for (let i = 1; i < this.rows; i++) {\n this.buffer.lines.push(this.buffer.getBlankLine(DEFAULT_ATTR_DATA));\n }\n this.refresh(0, this.rows - 1);\n this._onScroll.fire(this.buffer.ydisp);\n }\n\n /**\n * Evaluate if the current terminal is the given argument.\n * @param term The terminal name to evaluate\n */\n public is(term: string): boolean {\n return (this.options.termName + '').indexOf(term) === 0;\n }\n\n /**\n * Emit the data event and populate the given data.\n * @param data The data to populate in the event.\n */\n // public handler(data: string): void {\n // // Prevents all events to pty process if stdin is disabled\n // if (this.options.disableStdin) {\n // return;\n // }\n\n // // Clear the selection if the selection manager is available and has an active selection\n // if (this.selectionService && this.selectionService.hasSelection) {\n // this.selectionService.clearSelection();\n // }\n\n // // Input is being sent to the terminal, the terminal should focus the prompt.\n // if (this.buffer.ybase !== this.buffer.ydisp) {\n // this.scrollToBottom();\n // }\n // this._onData.fire(data);\n // }\n\n /**\n * Emit the 'title' event and populate the given title.\n * @param title The title to populate in the event.\n */\n public handleTitle(title: string): void {\n this._onTitleChange.fire(title);\n }\n\n /**\n * Reset terminal.\n * Note: Calling this directly from JS is synchronous but does not clear\n * input buffers and does not reset the parser, thus the terminal will\n * continue to apply pending input data.\n * If you need in band reset (synchronous with input data) consider\n * using DECSTR (soft reset, CSI ! p) or RIS instead (hard reset, ESC c).\n */\n public reset(): void {\n /**\n * Since _setup handles a full terminal creation, we have to carry forward\n * a few things that should not reset.\n */\n this.options.rows = this.rows;\n this.options.cols = this.cols;\n const customKeyEventHandler = this._customKeyEventHandler;\n const inputHandler = this._inputHandler;\n const userScrolling = this._userScrolling;\n\n this._setup();\n this._bufferService.reset();\n this._coreService.reset();\n this._coreMouseService.reset();\n this._selectionService?.reset();\n\n // reattach\n this._customKeyEventHandler = customKeyEventHandler;\n this._inputHandler = inputHandler;\n this._userScrolling = userScrolling;\n\n // do a full screen refresh\n this.refresh(0, this.rows - 1);\n this.viewport?.syncScrollArea();\n }\n\n // TODO: Remove cancel function and cancelEvents option\n public cancel(ev: Event, force?: boolean): boolean {\n if (!this.options.cancelEvents && !force) {\n return;\n }\n ev.preventDefault();\n ev.stopPropagation();\n return false;\n }\n\n private _visualBell(): boolean {\n return false;\n // return this.options.bellStyle === 'visual' ||\n // this.options.bellStyle === 'both';\n }\n\n private _soundBell(): boolean {\n return this.options.bellStyle === 'sound';\n // return this.options.bellStyle === 'sound' ||\n // this.options.bellStyle === 'both';\n }\n\n public write(data: string | Uint8Array, callback?: () => void): void {\n this._writeBuffer.write(data, callback);\n }\n\n public writeSync(data: string | Uint8Array): void {\n this._writeBuffer.writeSync(data);\n }\n}\n\n/**\n * Helpers\n */\n\nfunction wasModifierKeyOnlyEvent(ev: KeyboardEvent): boolean {\n return ev.keyCode === 16 || // Shift\n ev.keyCode === 17 || // Ctrl\n ev.keyCode === 18; // Alt\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ICharSizeService } from 'browser/services/Services';\nimport { IBufferService, ICoreService, IOptionsService } from 'common/services/Services';\n\ninterface IPosition {\n start: number;\n end: number;\n}\n\n/**\n * Encapsulates the logic for handling compositionstart, compositionupdate and compositionend\n * events, displaying the in-progress composition to the UI and forwarding the final composition\n * to the handler.\n */\nexport class CompositionHelper {\n /**\n * Whether input composition is currently happening, eg. via a mobile keyboard, speech input or\n * IME. This variable determines whether the compositionText should be displayed on the UI.\n */\n private _isComposing: boolean;\n\n /**\n * The position within the input textarea's value of the current composition.\n */\n private _compositionPosition: IPosition;\n\n /**\n * Whether a composition is in the process of being sent, setting this to false will cancel any\n * in-progress composition.\n */\n private _isSendingComposition: boolean;\n\n constructor(\n private readonly _textarea: HTMLTextAreaElement,\n private readonly _compositionView: HTMLElement,\n @IBufferService private readonly _bufferService: IBufferService,\n @IOptionsService private readonly _optionsService: IOptionsService,\n @ICharSizeService private readonly _charSizeService: ICharSizeService,\n @ICoreService private readonly _coreService: ICoreService\n ) {\n this._isComposing = false;\n this._isSendingComposition = false;\n this._compositionPosition = { start: 0, end: 0 };\n }\n\n /**\n * Handles the compositionstart event, activating the composition view.\n */\n public compositionstart(): void {\n this._isComposing = true;\n this._compositionPosition.start = this._textarea.value.length;\n this._compositionView.textContent = '';\n this._compositionView.classList.add('active');\n }\n\n /**\n * Handles the compositionupdate event, updating the composition view.\n * @param ev The event.\n */\n public compositionupdate(ev: CompositionEvent): void {\n this._compositionView.textContent = ev.data;\n this.updateCompositionElements();\n setTimeout(() => {\n this._compositionPosition.end = this._textarea.value.length;\n }, 0);\n }\n\n /**\n * Handles the compositionend event, hiding the composition view and sending the composition to\n * the handler.\n */\n public compositionend(): void {\n this._finalizeComposition(true);\n }\n\n /**\n * Handles the keydown event, routing any necessary events to the CompositionHelper functions.\n * @param ev The keydown event.\n * @return Whether the Terminal should continue processing the keydown event.\n */\n public keydown(ev: KeyboardEvent): boolean {\n if (this._isComposing || this._isSendingComposition) {\n if (ev.keyCode === 229) {\n // Continue composing if the keyCode is the \"composition character\"\n return false;\n } else if (ev.keyCode === 16 || ev.keyCode === 17 || ev.keyCode === 18) {\n // Continue composing if the keyCode is a modifier key\n return false;\n }\n // Finish composition immediately. This is mainly here for the case where enter is\n // pressed and the handler needs to be triggered before the command is executed.\n this._finalizeComposition(false);\n }\n\n if (ev.keyCode === 229) {\n // If the \"composition character\" is used but gets to this point it means a non-composition\n // character (eg. numbers and punctuation) was pressed when the IME was active.\n this._handleAnyTextareaChanges();\n return false;\n }\n\n return true;\n }\n\n /**\n * Finalizes the composition, resuming regular input actions. This is called when a composition\n * is ending.\n * @param waitForPropagation Whether to wait for events to propagate before sending\n * the input. This should be false if a non-composition keystroke is entered before the\n * compositionend event is triggered, such as enter, so that the composition is sent before\n * the command is executed.\n */\n private _finalizeComposition(waitForPropagation: boolean): void {\n this._compositionView.classList.remove('active');\n this._isComposing = false;\n this._clearTextareaPosition();\n\n if (!waitForPropagation) {\n // Cancel any delayed composition send requests and send the input immediately.\n this._isSendingComposition = false;\n const input = this._textarea.value.substring(this._compositionPosition.start, this._compositionPosition.end);\n this._coreService.triggerDataEvent(input, true);\n } else {\n // Make a deep copy of the composition position here as a new compositionstart event may\n // fire before the setTimeout executes.\n const currentCompositionPosition = {\n start: this._compositionPosition.start,\n end: this._compositionPosition.end\n };\n\n // Since composition* events happen before the changes take place in the textarea on most\n // browsers, use a setTimeout with 0ms time to allow the native compositionend event to\n // complete. This ensures the correct character is retrieved.\n // This solution was used because:\n // - The compositionend event's data property is unreliable, at least on Chromium\n // - The last compositionupdate event's data property does not always accurately describe\n // the character, a counter example being Korean where an ending consonsant can move to\n // the following character if the following input is a vowel.\n this._isSendingComposition = true;\n setTimeout(() => {\n // Ensure that the input has not already been sent\n if (this._isSendingComposition) {\n this._isSendingComposition = false;\n let input;\n if (this._isComposing) {\n // Use the end position to get the string if a new composition has started.\n input = this._textarea.value.substring(currentCompositionPosition.start, currentCompositionPosition.end);\n } else {\n // Don't use the end position here in order to pick up any characters after the\n // composition has finished, for example when typing a non-composition character\n // (eg. 2) after a composition character.\n input = this._textarea.value.substring(currentCompositionPosition.start);\n }\n this._coreService.triggerDataEvent(input, true);\n }\n }, 0);\n }\n }\n\n /**\n * Apply any changes made to the textarea after the current event chain is allowed to complete.\n * This should be called when not currently composing but a keydown event with the \"composition\n * character\" (229) is triggered, in order to allow non-composition text to be entered when an\n * IME is active.\n */\n private _handleAnyTextareaChanges(): void {\n const oldValue = this._textarea.value;\n setTimeout(() => {\n // Ignore if a composition has started since the timeout\n if (!this._isComposing) {\n const newValue = this._textarea.value;\n const diff = newValue.replace(oldValue, '');\n if (diff.length > 0) {\n this._coreService.triggerDataEvent(diff, true);\n }\n }\n }, 0);\n }\n\n /**\n * Positions the composition view on top of the cursor and the textarea just below it (so the\n * IME helper dialog is positioned correctly).\n * @param dontRecurse Whether to use setTimeout to recursively trigger another update, this is\n * necessary as the IME events across browsers are not consistently triggered.\n */\n public updateCompositionElements(dontRecurse?: boolean): void {\n if (!this._isComposing) {\n return;\n }\n\n if (this._bufferService.buffer.isCursorInViewport) {\n const cellHeight = Math.ceil(this._charSizeService.height * this._optionsService.options.lineHeight);\n const cursorTop = this._bufferService.buffer.y * cellHeight;\n const cursorLeft = this._bufferService.buffer.x * this._charSizeService.width;\n\n this._compositionView.style.left = cursorLeft + 'px';\n this._compositionView.style.top = cursorTop + 'px';\n this._compositionView.style.height = cellHeight + 'px';\n this._compositionView.style.lineHeight = cellHeight + 'px';\n this._compositionView.style.fontFamily = this._optionsService.options.fontFamily;\n this._compositionView.style.fontSize = this._optionsService.options.fontSize + 'px';\n // Sync the textarea to the exact position of the composition view so the IME knows where the\n // text is.\n const compositionViewBounds = this._compositionView.getBoundingClientRect();\n this._textarea.style.left = cursorLeft + 'px';\n this._textarea.style.top = cursorTop + 'px';\n this._textarea.style.width = compositionViewBounds.width + 'px';\n this._textarea.style.height = compositionViewBounds.height + 'px';\n this._textarea.style.lineHeight = compositionViewBounds.height + 'px';\n }\n\n if (!dontRecurse) {\n setTimeout(() => this.updateCompositionElements(true), 0);\n }\n }\n\n /**\n * Clears the textarea's position so that the cursor does not blink on IE.\n * @private\n */\n private _clearTextareaPosition(): void {\n this._textarea.style.left = '';\n this._textarea.style.top = '';\n }\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { Disposable } from 'common/Lifecycle';\nimport { addDisposableDomListener } from 'browser/Lifecycle';\nimport { IColorSet, IViewport } from 'browser/Types';\nimport { ICharSizeService, IRenderService } from 'browser/services/Services';\nimport { IBufferService, IOptionsService } from 'common/services/Services';\n\nconst FALLBACK_SCROLL_BAR_WIDTH = 15;\n\n/**\n * Represents the viewport of a terminal, the visible area within the larger buffer of output.\n * Logic for the virtual scroll bar is included in this object.\n */\nexport class Viewport extends Disposable implements IViewport {\n public scrollBarWidth: number = 0;\n private _currentRowHeight: number = 0;\n private _lastRecordedBufferLength: number = 0;\n private _lastRecordedViewportHeight: number = 0;\n private _lastRecordedBufferHeight: number = 0;\n private _lastTouchY: number = 0;\n private _lastScrollTop: number = 0;\n\n // Stores a partial line amount when scrolling, this is used to keep track of how much of a line\n // is scrolled so we can \"scroll\" over partial lines and feel natural on touchpads. This is a\n // quick fix and could have a more robust solution in place that reset the value when needed.\n private _wheelPartialScroll: number = 0;\n\n private _refreshAnimationFrame: number | null = null;\n private _ignoreNextScrollEvent: boolean = false;\n\n constructor(\n private readonly _scrollLines: (amount: number, suppressEvent: boolean) => void,\n private readonly _viewportElement: HTMLElement,\n private readonly _scrollArea: HTMLElement,\n @IBufferService private readonly _bufferService: IBufferService,\n @IOptionsService private readonly _optionsService: IOptionsService,\n @ICharSizeService private readonly _charSizeService: ICharSizeService,\n @IRenderService private readonly _renderService: IRenderService\n ) {\n super();\n\n // Measure the width of the scrollbar. If it is 0 we can assume it's an OSX overlay scrollbar.\n // Unfortunately the overlay scrollbar would be hidden underneath the screen element in that case,\n // therefore we account for a standard amount to make it visible\n this.scrollBarWidth = (this._viewportElement.offsetWidth - this._scrollArea.offsetWidth) || FALLBACK_SCROLL_BAR_WIDTH;\n this.register(addDisposableDomListener(this._viewportElement, 'scroll', this._onScroll.bind(this)));\n\n // Perform this async to ensure the ICharSizeService is ready.\n setTimeout(() => this.syncScrollArea(), 0);\n }\n\n public onThemeChange(colors: IColorSet): void {\n this._viewportElement.style.backgroundColor = colors.background.css;\n }\n\n /**\n * Refreshes row height, setting line-height, viewport height and scroll area height if\n * necessary.\n */\n private _refresh(immediate: boolean): void {\n if (immediate) {\n this._innerRefresh();\n if (this._refreshAnimationFrame !== null) {\n cancelAnimationFrame(this._refreshAnimationFrame);\n }\n return;\n }\n if (this._refreshAnimationFrame === null) {\n this._refreshAnimationFrame = requestAnimationFrame(() => this._innerRefresh());\n }\n }\n\n private _innerRefresh(): void {\n if (this._charSizeService.height > 0) {\n this._currentRowHeight = this._renderService.dimensions.scaledCellHeight / window.devicePixelRatio;\n this._lastRecordedViewportHeight = this._viewportElement.offsetHeight;\n const newBufferHeight = Math.round(this._currentRowHeight * this._lastRecordedBufferLength) + (this._lastRecordedViewportHeight - this._renderService.dimensions.canvasHeight);\n if (this._lastRecordedBufferHeight !== newBufferHeight) {\n this._lastRecordedBufferHeight = newBufferHeight;\n this._scrollArea.style.height = this._lastRecordedBufferHeight + 'px';\n }\n }\n\n // Sync scrollTop\n const scrollTop = this._bufferService.buffer.ydisp * this._currentRowHeight;\n if (this._viewportElement.scrollTop !== scrollTop) {\n // Ignore the next scroll event which will be triggered by setting the scrollTop as we do not\n // want this event to scroll the terminal\n this._ignoreNextScrollEvent = true;\n this._viewportElement.scrollTop = scrollTop;\n }\n\n this._refreshAnimationFrame = null;\n }\n /**\n * Updates dimensions and synchronizes the scroll area if necessary.\n */\n public syncScrollArea(immediate: boolean = false): void {\n // If buffer height changed\n if (this._lastRecordedBufferLength !== this._bufferService.buffer.lines.length) {\n this._lastRecordedBufferLength = this._bufferService.buffer.lines.length;\n this._refresh(immediate);\n return;\n }\n\n // If viewport height changed\n if (this._lastRecordedViewportHeight !== this._renderService.dimensions.canvasHeight) {\n this._refresh(immediate);\n return;\n }\n\n // If the buffer position doesn't match last scroll top\n const newScrollTop = this._bufferService.buffer.ydisp * this._currentRowHeight;\n if (this._lastScrollTop !== newScrollTop) {\n this._refresh(immediate);\n return;\n }\n\n // If element's scroll top changed, this can happen when hiding the element\n if (this._lastScrollTop !== this._viewportElement.scrollTop) {\n this._refresh(immediate);\n return;\n }\n\n // If row height changed\n if (this._renderService.dimensions.scaledCellHeight / window.devicePixelRatio !== this._currentRowHeight) {\n this._refresh(immediate);\n return;\n }\n }\n\n /**\n * Handles scroll events on the viewport, calculating the new viewport and requesting the\n * terminal to scroll to it.\n * @param ev The scroll event.\n */\n private _onScroll(ev: Event): void {\n // Record current scroll top position\n this._lastScrollTop = this._viewportElement.scrollTop;\n\n // Don't attempt to scroll if the element is not visible, otherwise scrollTop will be corrupt\n // which causes the terminal to scroll the buffer to the top\n if (!this._viewportElement.offsetParent) {\n return;\n }\n\n // Ignore the event if it was flagged to ignore (when the source of the event is from Viewport)\n if (this._ignoreNextScrollEvent) {\n this._ignoreNextScrollEvent = false;\n return;\n }\n\n const newRow = Math.round(this._lastScrollTop / this._currentRowHeight);\n const diff = newRow - this._bufferService.buffer.ydisp;\n this._scrollLines(diff, true);\n }\n\n /**\n * Handles bubbling of scroll event in case the viewport has reached top or bottom\n * @param ev The scroll event.\n * @param amount The amount scrolled\n */\n private _bubbleScroll(ev: Event, amount: number): boolean {\n const scrollPosFromTop = this._viewportElement.scrollTop + this._lastRecordedViewportHeight;\n if ((amount < 0 && this._viewportElement.scrollTop !== 0) ||\n (amount > 0 && scrollPosFromTop < this._lastRecordedBufferHeight)) {\n if (ev.cancelable) {\n ev.preventDefault();\n }\n return false;\n }\n return true;\n }\n\n /**\n * Handles mouse wheel events by adjusting the viewport's scrollTop and delegating the actual\n * scrolling to `onScroll`, this event needs to be attached manually by the consumer of\n * `Viewport`.\n * @param ev The mouse wheel event.\n */\n public onWheel(ev: WheelEvent): boolean {\n const amount = this._getPixelsScrolled(ev);\n if (amount === 0) {\n return false;\n }\n this._viewportElement.scrollTop += amount;\n return this._bubbleScroll(ev, amount);\n }\n\n private _getPixelsScrolled(ev: WheelEvent): number {\n // Do nothing if it's not a vertical scroll event\n if (ev.deltaY === 0) {\n return 0;\n }\n\n // Fallback to WheelEvent.DOM_DELTA_PIXEL\n let amount = this._applyScrollModifier(ev.deltaY, ev);\n if (ev.deltaMode === WheelEvent.DOM_DELTA_LINE) {\n amount *= this._currentRowHeight;\n } else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {\n amount *= this._currentRowHeight * this._bufferService.rows;\n }\n return amount;\n }\n\n /**\n * Gets the number of pixels scrolled by the mouse event taking into account what type of delta\n * is being used.\n * @param ev The mouse wheel event.\n */\n public getLinesScrolled(ev: WheelEvent): number {\n // Do nothing if it's not a vertical scroll event\n if (ev.deltaY === 0) {\n return 0;\n }\n\n // Fallback to WheelEvent.DOM_DELTA_LINE\n let amount = this._applyScrollModifier(ev.deltaY, ev);\n if (ev.deltaMode === WheelEvent.DOM_DELTA_PIXEL) {\n amount /= this._currentRowHeight + 0.0; // Prevent integer division\n this._wheelPartialScroll += amount;\n amount = Math.floor(Math.abs(this._wheelPartialScroll)) * (this._wheelPartialScroll > 0 ? 1 : -1);\n this._wheelPartialScroll %= 1;\n } else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {\n amount *= this._bufferService.rows;\n }\n return amount;\n }\n\n private _applyScrollModifier(amount: number, ev: WheelEvent): number {\n const modifier = this._optionsService.options.fastScrollModifier;\n // Multiply the scroll speed when the modifier is down\n if ((modifier === 'alt' && ev.altKey) ||\n (modifier === 'ctrl' && ev.ctrlKey) ||\n (modifier === 'shift' && ev.shiftKey)) {\n return amount * this._optionsService.options.fastScrollSensitivity * this._optionsService.options.scrollSensitivity;\n }\n\n return amount * this._optionsService.options.scrollSensitivity;\n }\n\n /**\n * Handles the touchstart event, recording the touch occurred.\n * @param ev The touch event.\n */\n public onTouchStart(ev: TouchEvent): void {\n this._lastTouchY = ev.touches[0].pageY;\n }\n\n /**\n * Handles the touchmove event, scrolling the viewport if the position shifted.\n * @param ev The touch event.\n */\n public onTouchMove(ev: TouchEvent): boolean {\n const deltaY = this._lastTouchY - ev.touches[0].pageY;\n this._lastTouchY = ev.touches[0].pageY;\n if (deltaY === 0) {\n return false;\n }\n this._viewportElement.scrollTop += deltaY;\n return this._bubbleScroll(ev, deltaY);\n }\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ISelectionService } from 'browser/services/Services';\nimport { ICoreService } from 'common/services/Services';\n\n/**\n * Prepares text to be pasted into the terminal by normalizing the line endings\n * @param text The pasted text that needs processing before inserting into the terminal\n */\nexport function prepareTextForTerminal(text: string): string {\n return text.replace(/\\r?\\n/g, '\\r');\n}\n\n/**\n * Bracket text for paste, if necessary, as per https://cirw.in/blog/bracketed-paste\n * @param text The pasted text to bracket\n */\nexport function bracketTextForPaste(text: string, bracketedPasteMode: boolean): string {\n if (bracketedPasteMode) {\n return '\\x1b[200~' + text + '\\x1b[201~';\n }\n return text;\n}\n\n/**\n * Binds copy functionality to the given terminal.\n * @param ev The original copy event to be handled\n */\nexport function copyHandler(ev: ClipboardEvent, selectionService: ISelectionService): void {\n if (ev.clipboardData) {\n ev.clipboardData.setData('text/plain', selectionService.selectionText);\n }\n // Prevent or the original text will be copied.\n ev.preventDefault();\n}\n\n/**\n * Redirect the clipboard's data to the terminal's input handler.\n * @param ev The original paste event to be handled\n * @param term The terminal on which to apply the handled paste event\n */\nexport function handlePasteEvent(ev: ClipboardEvent, textarea: HTMLTextAreaElement, bracketedPasteMode: boolean, coreService: ICoreService): void {\n ev.stopPropagation();\n if (ev.clipboardData) {\n const text = ev.clipboardData.getData('text/plain');\n paste(text, textarea, bracketedPasteMode, coreService);\n }\n}\n\nexport function paste(text: string, textarea: HTMLTextAreaElement, bracketedPasteMode: boolean, coreService: ICoreService): void {\n text = prepareTextForTerminal(text);\n text = bracketTextForPaste(text, bracketedPasteMode);\n coreService.triggerDataEvent(text, true);\n textarea.value = '';\n}\n\n/**\n * Moves the textarea under the mouse cursor and focuses it.\n * @param ev The original right click event to be handled.\n * @param textarea The terminal's textarea.\n */\nexport function moveTextAreaUnderMouseCursor(ev: MouseEvent, textarea: HTMLTextAreaElement, screenElement: HTMLElement): void {\n\n // Calculate textarea position relative to the screen element\n const pos = screenElement.getBoundingClientRect();\n const left = ev.clientX - pos.left - 10;\n const top = ev.clientY - pos.top - 10;\n\n // Bring textarea at the cursor position\n textarea.style.position = 'absolute';\n textarea.style.width = '20px';\n textarea.style.height = '20px';\n textarea.style.left = `${left}px`;\n textarea.style.top = `${top}px`;\n textarea.style.zIndex = '1000';\n\n textarea.focus();\n\n // Reset the terminal textarea's styling\n // Timeout needs to be long enough for click event to be handled.\n setTimeout(() => {\n textarea.style.position = '';\n textarea.style.width = '';\n textarea.style.height = '';\n textarea.style.left = '';\n textarea.style.top = '';\n textarea.style.zIndex = '';\n }, 200);\n}\n\n/**\n * Bind to right-click event and allow right-click copy and paste.\n * @param ev The original right click event to be handled.\n * @param textarea The terminal's textarea.\n * @param selectionService The terminal's selection manager.\n * @param shouldSelectWord If true and there is no selection the current word will be selected\n */\nexport function rightClickHandler(ev: MouseEvent, textarea: HTMLTextAreaElement, screenElement: HTMLElement, selectionService: ISelectionService, shouldSelectWord: boolean): void {\n moveTextAreaUnderMouseCursor(ev, textarea, screenElement);\n\n if (shouldSelectWord && !selectionService.isClickInSelection(ev)) {\n selectionService.selectWordAtCursor(ev);\n }\n\n // Get textarea ready to copy from the context menu\n textarea.value = selectionService.selectionText;\n textarea.select();\n}\n","/**\n * Copyright (c) 2014 The xterm.js authors. All rights reserved.\n * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)\n * @license MIT\n */\n\nimport { IInputHandler, IInputHandlingTerminal } from './Types';\nimport { C0, C1 } from 'common/data/EscapeSequences';\nimport { CHARSETS, DEFAULT_CHARSET } from 'common/data/Charsets';\nimport { wcwidth } from 'common/CharWidth';\nimport { EscapeSequenceParser } from 'common/parser/EscapeSequenceParser';\nimport { Disposable } from 'common/Lifecycle';\nimport { concat } from 'common/TypedArrayUtils';\nimport { StringToUtf32, stringFromCodePoint, utf32ToString, Utf8ToUtf32 } from 'common/input/TextDecoder';\nimport { DEFAULT_ATTR_DATA } from 'common/buffer/BufferLine';\nimport { EventEmitter, IEvent } from 'common/EventEmitter';\nimport { IParsingState, IDcsHandler, IEscapeSequenceParser, IParams, IFunctionIdentifier } from 'common/parser/Types';\nimport { NULL_CELL_CODE, NULL_CELL_WIDTH, Attributes, FgFlags, BgFlags, Content } from 'common/buffer/Constants';\nimport { CellData } from 'common/buffer/CellData';\nimport { AttributeData } from 'common/buffer/AttributeData';\nimport { IAttributeData, IDisposable } from 'common/Types';\nimport { ICoreService, IBufferService, IOptionsService, ILogService, IDirtyRowService, ICoreMouseService } from 'common/services/Services';\nimport { OscHandler } from 'common/parser/OscParser';\nimport { DcsHandler } from 'common/parser/DcsParser';\n\n/**\n * Map collect to glevel. Used in `selectCharset`.\n */\nconst GLEVEL: {[key: string]: number} = {'(': 0, ')': 1, '*': 2, '+': 3, '-': 1, '.': 2};\n\n/**\n * Max length of the UTF32 input buffer. Real memory consumption is 4 times higher.\n */\nconst MAX_PARSEBUFFER_LENGTH = 131072;\n\n\n/**\n * DCS subparser implementations\n */\n\n/**\n * DCS $ q Pt ST\n * DECRQSS (https://vt100.net/docs/vt510-rm/DECRQSS.html)\n * Request Status String (DECRQSS), VT420 and up.\n * Response: DECRPSS (https://vt100.net/docs/vt510-rm/DECRPSS.html)\n */\nclass DECRQSS implements IDcsHandler {\n private _data: Uint32Array = new Uint32Array(0);\n\n constructor(\n private _bufferService: IBufferService,\n private _coreService: ICoreService,\n private _logService: ILogService,\n private _optionsService: IOptionsService\n ) { }\n\n hook(params: IParams): void {\n this._data = new Uint32Array(0);\n }\n\n put(data: Uint32Array, start: number, end: number): void {\n this._data = concat(this._data, data.subarray(start, end));\n }\n\n unhook(success: boolean): void {\n if (!success) {\n this._data = new Uint32Array(0);\n return;\n }\n const data = utf32ToString(this._data);\n this._data = new Uint32Array(0);\n switch (data) {\n // valid: DCS 1 $ r Pt ST (xterm)\n case '\"q': // DECSCA\n return this._coreService.triggerDataEvent(`${C0.ESC}P1$r0\"q${C0.ESC}\\\\`);\n case '\"p': // DECSCL\n return this._coreService.triggerDataEvent(`${C0.ESC}P1$r61\"p${C0.ESC}\\\\`);\n case 'r': // DECSTBM\n const pt = '' + (this._bufferService.buffer.scrollTop + 1) +\n ';' + (this._bufferService.buffer.scrollBottom + 1) + 'r';\n return this._coreService.triggerDataEvent(`${C0.ESC}P1$r${pt}${C0.ESC}\\\\`);\n case 'm': // SGR\n // TODO: report real settings instead of 0m\n return this._coreService.triggerDataEvent(`${C0.ESC}P1$r0m${C0.ESC}\\\\`);\n case ' q': // DECSCUSR\n const STYLES: {[key: string]: number} = {'block': 2, 'underline': 4, 'bar': 6};\n let style = STYLES[this._optionsService.options.cursorStyle];\n style -= this._optionsService.options.cursorBlink ? 1 : 0;\n return this._coreService.triggerDataEvent(`${C0.ESC}P1$r${style} q${C0.ESC}\\\\`);\n default:\n // invalid: DCS 0 $ r Pt ST (xterm)\n this._logService.debug('Unknown DCS $q %s', data);\n this._coreService.triggerDataEvent(`${C0.ESC}P0$r${C0.ESC}\\\\`);\n }\n }\n}\n\n/**\n * DCS Ps; Ps| Pt ST\n * DECUDK (https://vt100.net/docs/vt510-rm/DECUDK.html)\n * not supported\n */\n\n/**\n * DCS + q Pt ST (xterm)\n * Request Terminfo String\n * not implemented\n */\n\n/**\n * DCS + p Pt ST (xterm)\n * Set Terminfo Data\n * not supported\n */\n\n\n\n/**\n * The terminal's standard implementation of IInputHandler, this handles all\n * input from the Parser.\n *\n * Refer to http://invisible-island.net/xterm/ctlseqs/ctlseqs.html to understand\n * each function's header comment.\n */\nexport class InputHandler extends Disposable implements IInputHandler {\n private _parseBuffer: Uint32Array = new Uint32Array(4096);\n private _stringDecoder: StringToUtf32 = new StringToUtf32();\n private _utf8Decoder: Utf8ToUtf32 = new Utf8ToUtf32();\n private _workCell: CellData = new CellData();\n\n private _onCursorMove = new EventEmitter<void>();\n public get onCursorMove(): IEvent<void> { return this._onCursorMove.event; }\n private _onLineFeed = new EventEmitter<void>();\n public get onLineFeed(): IEvent<void> { return this._onLineFeed.event; }\n private _onScroll = new EventEmitter<number>();\n public get onScroll(): IEvent<number> { return this._onScroll.event; }\n\n constructor(\n protected _terminal: IInputHandlingTerminal,\n private readonly _bufferService: IBufferService,\n private readonly _coreService: ICoreService,\n private readonly _dirtyRowService: IDirtyRowService,\n private readonly _logService: ILogService,\n private readonly _optionsService: IOptionsService,\n private readonly _coreMouseService: ICoreMouseService,\n private readonly _parser: IEscapeSequenceParser = new EscapeSequenceParser())\n {\n super();\n\n this.register(this._parser);\n\n /**\n * custom fallback handlers\n */\n this._parser.setCsiHandlerFallback((ident, params) => {\n this._logService.debug('Unknown CSI code: ', { identifier: this._parser.identToString(ident), params: params.toArray() });\n });\n this._parser.setEscHandlerFallback(ident => {\n this._logService.debug('Unknown ESC code: ', { identifier: this._parser.identToString(ident) });\n });\n this._parser.setExecuteHandlerFallback(code => {\n this._logService.debug('Unknown EXECUTE code: ', { code });\n });\n this._parser.setOscHandlerFallback((identifier, action, data) => {\n this._logService.debug('Unknown OSC code: ', { identifier, action, data });\n });\n this._parser.setDcsHandlerFallback((ident, action, payload) => {\n if (action === 'HOOK') {\n payload = payload.toArray();\n }\n this._logService.debug('Unknown DCS code: ', { identifier: this._parser.identToString(ident), action, payload });\n });\n\n /**\n * print handler\n */\n this._parser.setPrintHandler((data, start, end) => this.print(data, start, end));\n\n /**\n * CSI handler\n */\n this._parser.setCsiHandler({final: '@'}, params => this.insertChars(params));\n this._parser.setCsiHandler({intermediates: ' ', final: '@'}, params => this.scrollLeft(params));\n this._parser.setCsiHandler({final: 'A'}, params => this.cursorUp(params));\n this._parser.setCsiHandler({intermediates: ' ', final: 'A'}, params => this.scrollRight(params));\n this._parser.setCsiHandler({final: 'B'}, params => this.cursorDown(params));\n this._parser.setCsiHandler({final: 'C'}, params => this.cursorForward(params));\n this._parser.setCsiHandler({final: 'D'}, params => this.cursorBackward(params));\n this._parser.setCsiHandler({final: 'E'}, params => this.cursorNextLine(params));\n this._parser.setCsiHandler({final: 'F'}, params => this.cursorPrecedingLine(params));\n this._parser.setCsiHandler({final: 'G'}, params => this.cursorCharAbsolute(params));\n this._parser.setCsiHandler({final: 'H'}, params => this.cursorPosition(params));\n this._parser.setCsiHandler({final: 'I'}, params => this.cursorForwardTab(params));\n this._parser.setCsiHandler({final: 'J'}, params => this.eraseInDisplay(params));\n this._parser.setCsiHandler({prefix: '?', final: 'J'}, params => this.eraseInDisplay(params));\n this._parser.setCsiHandler({final: 'K'}, params => this.eraseInLine(params));\n this._parser.setCsiHandler({prefix: '?', final: 'K'}, params => this.eraseInLine(params));\n this._parser.setCsiHandler({final: 'L'}, params => this.insertLines(params));\n this._parser.setCsiHandler({final: 'M'}, params => this.deleteLines(params));\n this._parser.setCsiHandler({final: 'P'}, params => this.deleteChars(params));\n this._parser.setCsiHandler({final: 'S'}, params => this.scrollUp(params));\n this._parser.setCsiHandler({final: 'T'}, params => this.scrollDown(params));\n this._parser.setCsiHandler({final: 'X'}, params => this.eraseChars(params));\n this._parser.setCsiHandler({final: 'Z'}, params => this.cursorBackwardTab(params));\n this._parser.setCsiHandler({final: '`'}, params => this.charPosAbsolute(params));\n this._parser.setCsiHandler({final: 'a'}, params => this.hPositionRelative(params));\n this._parser.setCsiHandler({final: 'b'}, params => this.repeatPrecedingCharacter(params));\n this._parser.setCsiHandler({final: 'c'}, params => this.sendDeviceAttributesPrimary(params));\n this._parser.setCsiHandler({prefix: '>', final: 'c'}, params => this.sendDeviceAttributesSecondary(params));\n this._parser.setCsiHandler({final: 'd'}, params => this.linePosAbsolute(params));\n this._parser.setCsiHandler({final: 'e'}, params => this.vPositionRelative(params));\n this._parser.setCsiHandler({final: 'f'}, params => this.hVPosition(params));\n this._parser.setCsiHandler({final: 'g'}, params => this.tabClear(params));\n this._parser.setCsiHandler({final: 'h'}, params => this.setMode(params));\n this._parser.setCsiHandler({prefix: '?', final: 'h'}, params => this.setModePrivate(params));\n this._parser.setCsiHandler({final: 'l'}, params => this.resetMode(params));\n this._parser.setCsiHandler({prefix: '?', final: 'l'}, params => this.resetModePrivate(params));\n this._parser.setCsiHandler({final: 'm'}, params => this.charAttributes(params));\n this._parser.setCsiHandler({final: 'n'}, params => this.deviceStatus(params));\n this._parser.setCsiHandler({prefix: '?', final: 'n'}, params => this.deviceStatusPrivate(params));\n this._parser.setCsiHandler({intermediates: '!', final: 'p'}, params => this.softReset(params));\n this._parser.setCsiHandler({intermediates: ' ', final: 'q'}, params => this.setCursorStyle(params));\n this._parser.setCsiHandler({final: 'r'}, params => this.setScrollRegion(params));\n this._parser.setCsiHandler({final: 's'}, params => this.saveCursor(params));\n this._parser.setCsiHandler({final: 'u'}, params => this.restoreCursor(params));\n this._parser.setCsiHandler({intermediates: '\\'', final: '}'}, params => this.insertColumns(params));\n this._parser.setCsiHandler({intermediates: '\\'', final: '~'}, params => this.deleteColumns(params));\n\n /**\n * execute handler\n */\n this._parser.setExecuteHandler(C0.BEL, () => this.bell());\n this._parser.setExecuteHandler(C0.LF, () => this.lineFeed());\n this._parser.setExecuteHandler(C0.VT, () => this.lineFeed());\n this._parser.setExecuteHandler(C0.FF, () => this.lineFeed());\n this._parser.setExecuteHandler(C0.CR, () => this.carriageReturn());\n this._parser.setExecuteHandler(C0.BS, () => this.backspace());\n this._parser.setExecuteHandler(C0.HT, () => this.tab());\n this._parser.setExecuteHandler(C0.SO, () => this.shiftOut());\n this._parser.setExecuteHandler(C0.SI, () => this.shiftIn());\n // FIXME: What do to with missing? Old code just added those to print.\n\n this._parser.setExecuteHandler(C1.IND, () => this.index());\n this._parser.setExecuteHandler(C1.NEL, () => this.nextLine());\n this._parser.setExecuteHandler(C1.HTS, () => this.tabSet());\n\n /**\n * OSC handler\n */\n // 0 - icon name + title\n this._parser.setOscHandler(0, new OscHandler((data: string) => this.setTitle(data)));\n // 1 - icon name\n // 2 - title\n this._parser.setOscHandler(2, new OscHandler((data: string) => this.setTitle(data)));\n // 3 - set property X in the form \"prop=value\"\n // 4 - Change Color Number\n // 5 - Change Special Color Number\n // 6 - Enable/disable Special Color Number c\n // 7 - current directory? (not in xterm spec, see https://gitlab.com/gnachman/iterm2/issues/3939)\n // 10 - Change VT100 text foreground color to Pt.\n // 11 - Change VT100 text background color to Pt.\n // 12 - Change text cursor color to Pt.\n // 13 - Change mouse foreground color to Pt.\n // 14 - Change mouse background color to Pt.\n // 15 - Change Tektronix foreground color to Pt.\n // 16 - Change Tektronix background color to Pt.\n // 17 - Change highlight background color to Pt.\n // 18 - Change Tektronix cursor color to Pt.\n // 19 - Change highlight foreground color to Pt.\n // 46 - Change Log File to Pt.\n // 50 - Set Font to Pt.\n // 51 - reserved for Emacs shell.\n // 52 - Manipulate Selection Data.\n // 104 ; c - Reset Color Number c.\n // 105 ; c - Reset Special Color Number c.\n // 106 ; c; f - Enable/disable Special Color Number c.\n // 110 - Reset VT100 text foreground color.\n // 111 - Reset VT100 text background color.\n // 112 - Reset text cursor color.\n // 113 - Reset mouse foreground color.\n // 114 - Reset mouse background color.\n // 115 - Reset Tektronix foreground color.\n // 116 - Reset Tektronix background color.\n // 117 - Reset highlight color.\n // 118 - Reset Tektronix cursor color.\n // 119 - Reset highlight foreground color.\n\n /**\n * ESC handlers\n */\n this._parser.setEscHandler({final: '7'}, () => this.saveCursor());\n this._parser.setEscHandler({final: '8'}, () => this.restoreCursor());\n this._parser.setEscHandler({final: 'D'}, () => this.index());\n this._parser.setEscHandler({final: 'E'}, () => this.nextLine());\n this._parser.setEscHandler({final: 'H'}, () => this.tabSet());\n this._parser.setEscHandler({final: 'M'}, () => this.reverseIndex());\n this._parser.setEscHandler({final: '='}, () => this.keypadApplicationMode());\n this._parser.setEscHandler({final: '>'}, () => this.keypadNumericMode());\n this._parser.setEscHandler({final: 'c'}, () => this.reset());\n this._parser.setEscHandler({final: 'n'}, () => this.setgLevel(2));\n this._parser.setEscHandler({final: 'o'}, () => this.setgLevel(3));\n this._parser.setEscHandler({final: '|'}, () => this.setgLevel(3));\n this._parser.setEscHandler({final: '}'}, () => this.setgLevel(2));\n this._parser.setEscHandler({final: '~'}, () => this.setgLevel(1));\n this._parser.setEscHandler({intermediates: '%', final: '@'}, () => this.selectDefaultCharset());\n this._parser.setEscHandler({intermediates: '%', final: 'G'}, () => this.selectDefaultCharset());\n for (const flag in CHARSETS) {\n this._parser.setEscHandler({intermediates: '(', final: flag}, () => this.selectCharset('(' + flag));\n this._parser.setEscHandler({intermediates: ')', final: flag}, () => this.selectCharset(')' + flag));\n this._parser.setEscHandler({intermediates: '*', final: flag}, () => this.selectCharset('*' + flag));\n this._parser.setEscHandler({intermediates: '+', final: flag}, () => this.selectCharset('+' + flag));\n this._parser.setEscHandler({intermediates: '-', final: flag}, () => this.selectCharset('-' + flag));\n this._parser.setEscHandler({intermediates: '.', final: flag}, () => this.selectCharset('.' + flag));\n this._parser.setEscHandler({intermediates: '/', final: flag}, () => this.selectCharset('/' + flag)); // TODO: supported?\n }\n this._parser.setEscHandler({intermediates: '#', final: '8'}, () => this.screenAlignmentPattern());\n\n /**\n * error handler\n */\n this._parser.setErrorHandler((state: IParsingState) => {\n this._logService.error('Parsing error: ', state);\n return state;\n });\n\n /**\n * DCS handler\n */\n this._parser.setDcsHandler({intermediates: '$', final: 'q'}, new DECRQSS(this._bufferService, this._coreService, this._logService, this._optionsService));\n }\n\n public dispose(): void {\n super.dispose();\n }\n\n public parse(data: string | Uint8Array): void {\n let buffer = this._bufferService.buffer;\n const cursorStartX = buffer.x;\n const cursorStartY = buffer.y;\n\n this._logService.debug('parsing data', data);\n\n // resize input buffer if needed\n if (this._parseBuffer.length < data.length) {\n if (this._parseBuffer.length < MAX_PARSEBUFFER_LENGTH) {\n this._parseBuffer = new Uint32Array(Math.min(data.length, MAX_PARSEBUFFER_LENGTH));\n }\n }\n\n // Clear the dirty row service so we know which lines changed as a result of parsing\n this._dirtyRowService.clearRange();\n\n // process big data in smaller chunks\n if (data.length > MAX_PARSEBUFFER_LENGTH) {\n for (let i = 0; i < data.length; i += MAX_PARSEBUFFER_LENGTH) {\n const end = i + MAX_PARSEBUFFER_LENGTH < data.length ? i + MAX_PARSEBUFFER_LENGTH : data.length;\n const len = (typeof data === 'string')\n ? this._stringDecoder.decode(data.substring(i, end), this._parseBuffer)\n : this._utf8Decoder.decode(data.subarray(i, end), this._parseBuffer);\n this._parser.parse(this._parseBuffer, len);\n }\n } else {\n const len = (typeof data === 'string')\n ? this._stringDecoder.decode(data, this._parseBuffer)\n : this._utf8Decoder.decode(data, this._parseBuffer);\n this._parser.parse(this._parseBuffer, len);\n }\n\n buffer = this._bufferService.buffer;\n if (buffer.x !== cursorStartX || buffer.y !== cursorStartY) {\n this._onCursorMove.fire();\n }\n\n // Refresh any dirty rows accumulated as part of parsing\n this._terminal.refresh(this._dirtyRowService.start, this._dirtyRowService.end);\n }\n\n public print(data: Uint32Array, start: number, end: number): void {\n let code: number;\n let chWidth: number;\n const buffer = this._bufferService.buffer;\n const charset = this._terminal.charset;\n const screenReaderMode = this._optionsService.options.screenReaderMode;\n const cols = this._bufferService.cols;\n const wraparoundMode = this._terminal.wraparoundMode;\n const insertMode = this._terminal.insertMode;\n const curAttr = this._terminal.curAttrData;\n let bufferRow = buffer.lines.get(buffer.y + buffer.ybase);\n\n this._dirtyRowService.markDirty(buffer.y);\n for (let pos = start; pos < end; ++pos) {\n code = data[pos];\n\n // calculate print space\n // expensive call, therefore we save width in line buffer\n chWidth = wcwidth(code);\n\n // get charset replacement character\n // charset is only defined for ASCII, therefore we only\n // search for an replacement char if code < 127\n if (code < 127 && charset) {\n const ch = charset[String.fromCharCode(code)];\n if (ch) {\n code = ch.charCodeAt(0);\n }\n }\n\n if (screenReaderMode) {\n this._terminal.onA11yCharEmitter.fire(stringFromCodePoint(code));\n }\n\n // insert combining char at last cursor position\n // FIXME: needs handling after cursor jumps\n // buffer.x should never be 0 for a combining char\n // since they always follow a cell consuming char\n // therefore we can test for buffer.x to avoid overflow left\n if (!chWidth && buffer.x) {\n if (!bufferRow.getWidth(buffer.x - 1)) {\n // found empty cell after fullwidth, need to go 2 cells back\n // it is save to step 2 cells back here\n // since an empty cell is only set by fullwidth chars\n bufferRow.addCodepointToCell(buffer.x - 2, code);\n } else {\n bufferRow.addCodepointToCell(buffer.x - 1, code);\n }\n continue;\n }\n\n // goto next line if ch would overflow\n // TODO: needs a global min terminal width of 2\n // FIXME: additionally ensure chWidth fits into a line\n // --> maybe forbid cols<xy at higher level as it would\n // introduce a bad runtime penalty here\n if (buffer.x + chWidth - 1 >= cols) {\n // autowrap - DECAWM\n // automatically wraps to the beginning of the next line\n if (wraparoundMode) {\n buffer.x = 0;\n buffer.y++;\n if (buffer.y === buffer.scrollBottom + 1) {\n buffer.y--;\n this._terminal.scroll(true);\n } else {\n if (buffer.y >= this._bufferService.rows) {\n buffer.y = this._bufferService.rows - 1;\n }\n // The line already exists (eg. the initial viewport), mark it as a\n // wrapped line\n buffer.lines.get(buffer.y).isWrapped = true;\n }\n // row changed, get it again\n bufferRow = buffer.lines.get(buffer.y + buffer.ybase);\n } else {\n buffer.x = cols - 1;\n if (chWidth === 2) {\n // FIXME: check for xterm behavior\n // What to do here? We got a wide char that does not fit into last cell\n continue;\n }\n }\n }\n\n // insert mode: move characters to right\n if (insertMode) {\n // right shift cells according to the width\n bufferRow.insertCells(buffer.x, chWidth, buffer.getNullCell(curAttr));\n // test last cell - since the last cell has only room for\n // a halfwidth char any fullwidth shifted there is lost\n // and will be set to empty cell\n if (bufferRow.getWidth(cols - 1) === 2) {\n bufferRow.setCellFromCodePoint(cols - 1, NULL_CELL_CODE, NULL_CELL_WIDTH, curAttr.fg, curAttr.bg);\n }\n }\n\n // write current char to buffer and advance cursor\n bufferRow.setCellFromCodePoint(buffer.x++, code, chWidth, curAttr.fg, curAttr.bg);\n\n // fullwidth char - also set next cell to placeholder stub and advance cursor\n // for graphemes bigger than fullwidth we can simply loop to zero\n // we already made sure above, that buffer.x + chWidth will not overflow right\n if (chWidth > 0) {\n while (--chWidth) {\n // other than a regular empty cell a cell following a wide char has no width\n bufferRow.setCellFromCodePoint(buffer.x++, 0, 0, curAttr.fg, curAttr.bg);\n }\n }\n }\n // store last char in Parser.precedingCodepoint for REP to work correctly\n // This needs to check whether:\n // - fullwidth + surrogates: reset\n // - combining: only base char gets carried on (bug in xterm?)\n if (end) {\n bufferRow.loadCell(buffer.x - 1, this._workCell);\n if (this._workCell.getWidth() === 2 || this._workCell.getCode() > 0xFFFF) {\n this._parser.precedingCodepoint = 0;\n } else if (this._workCell.isCombined()) {\n this._parser.precedingCodepoint = this._workCell.getChars().charCodeAt(0);\n } else {\n this._parser.precedingCodepoint = this._workCell.content;\n }\n }\n this._dirtyRowService.markDirty(buffer.y);\n }\n\n /**\n * Forward addCsiHandler from parser.\n */\n public addCsiHandler(id: IFunctionIdentifier, callback: (params: IParams) => boolean): IDisposable {\n return this._parser.addCsiHandler(id, callback);\n }\n\n /**\n * Forward addDcsHandler from parser.\n */\n public addDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: IParams) => boolean): IDisposable {\n return this._parser.addDcsHandler(id, new DcsHandler(callback));\n }\n\n /**\n * Forward addEscHandler from parser.\n */\n public addEscHandler(id: IFunctionIdentifier, callback: () => boolean): IDisposable {\n return this._parser.addEscHandler(id, callback);\n }\n\n /**\n * Forward addOscHandler from parser.\n */\n public addOscHandler(ident: number, callback: (data: string) => boolean): IDisposable {\n return this._parser.addOscHandler(ident, new OscHandler(callback));\n }\n\n /**\n * BEL\n * Bell (Ctrl-G).\n */\n public bell(): void {\n this._terminal.bell();\n }\n\n /**\n * LF\n * Line Feed or New Line (NL). (LF is Ctrl-J).\n */\n public lineFeed(): void {\n // make buffer local for faster access\n const buffer = this._bufferService.buffer;\n\n this._dirtyRowService.markDirty(buffer.y);\n if (this._optionsService.options.convertEol) {\n buffer.x = 0;\n }\n buffer.y++;\n if (buffer.y === buffer.scrollBottom + 1) {\n buffer.y--;\n this._terminal.scroll();\n } else if (buffer.y >= this._bufferService.rows) {\n buffer.y = this._bufferService.rows - 1;\n }\n // If the end of the line is hit, prevent this action from wrapping around to the next line.\n if (buffer.x >= this._bufferService.cols) {\n buffer.x--;\n }\n this._dirtyRowService.markDirty(buffer.y);\n\n this._onLineFeed.fire();\n }\n\n /**\n * CR\n * Carriage Return (Ctrl-M).\n */\n public carriageReturn(): void {\n this._bufferService.buffer.x = 0;\n }\n\n /**\n * BS\n * Backspace (Ctrl-H).\n */\n public backspace(): void {\n this._restrictCursor();\n if (this._bufferService.buffer.x > 0) {\n this._bufferService.buffer.x--;\n }\n }\n\n /**\n * TAB\n * Horizontal Tab (HT) (Ctrl-I).\n */\n public tab(): void {\n if (this._bufferService.buffer.x >= this._bufferService.cols) {\n return;\n }\n const originalX = this._bufferService.buffer.x;\n this._bufferService.buffer.x = this._bufferService.buffer.nextStop();\n if (this._optionsService.options.screenReaderMode) {\n this._terminal.onA11yTabEmitter.fire(this._bufferService.buffer.x - originalX);\n }\n }\n\n /**\n * SO\n * Shift Out (Ctrl-N) -> Switch to Alternate Character Set. This invokes the\n * G1 character set.\n */\n public shiftOut(): void {\n this._terminal.setgLevel(1);\n }\n\n /**\n * SI\n * Shift In (Ctrl-O) -> Switch to Standard Character Set. This invokes the G0\n * character set (the default).\n */\n public shiftIn(): void {\n this._terminal.setgLevel(0);\n }\n\n /**\n * Restrict cursor to viewport size / scroll margin (origin mode).\n */\n private _restrictCursor(): void {\n this._bufferService.buffer.x = Math.min(this._bufferService.cols - 1, Math.max(0, this._bufferService.buffer.x));\n this._bufferService.buffer.y = this._terminal.originMode\n ? Math.min(this._bufferService.buffer.scrollBottom, Math.max(this._bufferService.buffer.scrollTop, this._bufferService.buffer.y))\n : Math.min(this._bufferService.rows - 1, Math.max(0, this._bufferService.buffer.y));\n this._dirtyRowService.markDirty(this._bufferService.buffer.y);\n }\n\n /**\n * Set absolute cursor position.\n */\n private _setCursor(x: number, y: number): void {\n this._dirtyRowService.markDirty(this._bufferService.buffer.y);\n if (this._terminal.originMode) {\n this._bufferService.buffer.x = x;\n this._bufferService.buffer.y = this._bufferService.buffer.scrollTop + y;\n } else {\n this._bufferService.buffer.x = x;\n this._bufferService.buffer.y = y;\n }\n this._restrictCursor();\n this._dirtyRowService.markDirty(this._bufferService.buffer.y);\n }\n\n /**\n * Set relative cursor position.\n */\n private _moveCursor(x: number, y: number): void {\n // for relative changes we have to make sure we are within 0 .. cols/rows - 1\n // before calculating the new position\n this._restrictCursor();\n this._setCursor(this._bufferService.buffer.x + x, this._bufferService.buffer.y + y);\n }\n\n /**\n * CSI Ps A\n * Cursor Up Ps Times (default = 1) (CUU).\n */\n public cursorUp(params: IParams): void {\n // stop at scrollTop\n const diffToTop = this._bufferService.buffer.y - this._bufferService.buffer.scrollTop;\n if (diffToTop >= 0) {\n this._moveCursor(0, -Math.min(diffToTop, params.params[0] || 1));\n } else {\n this._moveCursor(0, -(params.params[0] || 1));\n }\n }\n\n /**\n * CSI Ps B\n * Cursor Down Ps Times (default = 1) (CUD).\n */\n public cursorDown(params: IParams): void {\n // stop at scrollBottom\n const diffToBottom = this._bufferService.buffer.scrollBottom - this._bufferService.buffer.y;\n if (diffToBottom >= 0) {\n this._moveCursor(0, Math.min(diffToBottom, params.params[0] || 1));\n } else {\n this._moveCursor(0, params.params[0] || 1);\n }\n }\n\n /**\n * CSI Ps C\n * Cursor Forward Ps Times (default = 1) (CUF).\n */\n public cursorForward(params: IParams): void {\n this._moveCursor(params.params[0] || 1, 0);\n }\n\n /**\n * CSI Ps D\n * Cursor Backward Ps Times (default = 1) (CUB).\n */\n public cursorBackward(params: IParams): void {\n this._moveCursor(-(params.params[0] || 1), 0);\n }\n\n /**\n * CSI Ps E\n * Cursor Next Line Ps Times (default = 1) (CNL).\n * Other than cursorDown (CUD) also set the cursor to first column.\n */\n public cursorNextLine(params: IParams): void {\n this.cursorDown(params);\n this._bufferService.buffer.x = 0;\n }\n\n /**\n * CSI Ps F\n * Cursor Previous Line Ps Times (default = 1) (CPL).\n * Other than cursorUp (CUU) also set the cursor to first column.\n */\n public cursorPrecedingLine(params: IParams): void {\n this.cursorUp(params);\n this._bufferService.buffer.x = 0;\n }\n\n /**\n * CSI Ps G\n * Cursor Character Absolute [column] (default = [row,1]) (CHA).\n */\n public cursorCharAbsolute(params: IParams): void {\n this._setCursor((params.params[0] || 1) - 1, this._bufferService.buffer.y);\n }\n\n /**\n * CSI Ps ; Ps H\n * Cursor Position [row;column] (default = [1,1]) (CUP).\n */\n public cursorPosition(params: IParams): void {\n this._setCursor(\n // col\n (params.length >= 2) ? (params.params[1] || 1) - 1 : 0,\n // row\n (params.params[0] || 1) - 1);\n }\n\n /**\n * CSI Pm ` Character Position Absolute\n * [column] (default = [row,1]) (HPA).\n * Currently same functionality as CHA.\n */\n public charPosAbsolute(params: IParams): void {\n this._setCursor((params.params[0] || 1) - 1, this._bufferService.buffer.y);\n }\n\n /**\n * CSI Pm a Character Position Relative\n * [columns] (default = [row,col+1]) (HPR)\n * Currently same functionality as CUF.\n */\n public hPositionRelative(params: IParams): void {\n this._moveCursor(params.params[0] || 1, 0);\n }\n\n /**\n * CSI Pm d Vertical Position Absolute (VPA)\n * [row] (default = [1,column])\n */\n public linePosAbsolute(params: IParams): void {\n this._setCursor(this._bufferService.buffer.x, (params.params[0] || 1) - 1);\n }\n\n /**\n * CSI Pm e Vertical Position Relative (VPR)\n * [rows] (default = [row+1,column])\n * reuse CSI Ps B ?\n */\n public vPositionRelative(params: IParams): void {\n this._moveCursor(0, params.params[0] || 1);\n }\n\n /**\n * CSI Ps ; Ps f\n * Horizontal and Vertical Position [row;column] (default =\n * [1,1]) (HVP).\n * Same as CUP.\n */\n public hVPosition(params: IParams): void {\n this.cursorPosition(params);\n }\n\n /**\n * CSI Ps g Tab Clear (TBC).\n * Ps = 0 -> Clear Current Column (default).\n * Ps = 3 -> Clear All.\n * Potentially:\n * Ps = 2 -> Clear Stops on Line.\n * http://vt100.net/annarbor/aaa-ug/section6.html\n */\n public tabClear(params: IParams): void {\n const param = params.params[0];\n if (param === 0) {\n delete this._bufferService.buffer.tabs[this._bufferService.buffer.x];\n } else if (param === 3) {\n this._bufferService.buffer.tabs = {};\n }\n }\n\n /**\n * CSI Ps I\n * Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).\n */\n public cursorForwardTab(params: IParams): void {\n if (this._bufferService.buffer.x >= this._bufferService.cols) {\n return;\n }\n let param = params.params[0] || 1;\n while (param--) {\n this._bufferService.buffer.x = this._bufferService.buffer.nextStop();\n }\n }\n\n /**\n * CSI Ps Z Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).\n */\n public cursorBackwardTab(params: IParams): void {\n if (this._bufferService.buffer.x >= this._bufferService.cols) {\n return;\n }\n let param = params.params[0] || 1;\n\n // make buffer local for faster access\n const buffer = this._bufferService.buffer;\n\n while (param--) {\n buffer.x = buffer.prevStop();\n }\n }\n\n\n /**\n * Helper method to erase cells in a terminal row.\n * The cell gets replaced with the eraseChar of the terminal.\n * @param y row index\n * @param start first cell index to be erased\n * @param end end - 1 is last erased cell\n */\n private _eraseInBufferLine(y: number, start: number, end: number, clearWrap: boolean = false): void {\n const line = this._bufferService.buffer.lines.get(this._bufferService.buffer.ybase + y);\n line.replaceCells(\n start,\n end,\n this._bufferService.buffer.getNullCell(this._terminal.eraseAttrData())\n );\n if (clearWrap) {\n line.isWrapped = false;\n }\n }\n\n /**\n * Helper method to reset cells in a terminal row.\n * The cell gets replaced with the eraseChar of the terminal and the isWrapped property is set to false.\n * @param y row index\n */\n private _resetBufferLine(y: number): void {\n const line = this._bufferService.buffer.lines.get(this._bufferService.buffer.ybase + y);\n line.fill(this._bufferService.buffer.getNullCell(this._terminal.eraseAttrData()));\n line.isWrapped = false;\n }\n\n /**\n * CSI Ps J Erase in Display (ED).\n * Ps = 0 -> Erase Below (default).\n * Ps = 1 -> Erase Above.\n * Ps = 2 -> Erase All.\n * Ps = 3 -> Erase Saved Lines (xterm).\n * CSI ? Ps J\n * Erase in Display (DECSED).\n * Ps = 0 -> Selective Erase Below (default).\n * Ps = 1 -> Selective Erase Above.\n * Ps = 2 -> Selective Erase All.\n */\n public eraseInDisplay(params: IParams): void {\n this._restrictCursor();\n let j;\n switch (params.params[0]) {\n case 0:\n j = this._bufferService.buffer.y;\n this._dirtyRowService.markDirty(j);\n this._eraseInBufferLine(j++, this._bufferService.buffer.x, this._bufferService.cols, this._bufferService.buffer.x === 0);\n for (; j < this._bufferService.rows; j++) {\n this._resetBufferLine(j);\n }\n this._dirtyRowService.markDirty(j);\n break;\n case 1:\n j = this._bufferService.buffer.y;\n this._dirtyRowService.markDirty(j);\n // Deleted front part of line and everything before. This line will no longer be wrapped.\n this._eraseInBufferLine(j, 0, this._bufferService.buffer.x + 1, true);\n if (this._bufferService.buffer.x + 1 >= this._bufferService.cols) {\n // Deleted entire previous line. This next line can no longer be wrapped.\n this._bufferService.buffer.lines.get(j + 1).isWrapped = false;\n }\n while (j--) {\n this._resetBufferLine(j);\n }\n this._dirtyRowService.markDirty(0);\n break;\n case 2:\n j = this._bufferService.rows;\n this._dirtyRowService.markDirty(j - 1);\n while (j--) {\n this._resetBufferLine(j);\n }\n this._dirtyRowService.markDirty(0);\n break;\n case 3:\n // Clear scrollback (everything not in viewport)\n const scrollBackSize = this._bufferService.buffer.lines.length - this._bufferService.rows;\n if (scrollBackSize > 0) {\n this._bufferService.buffer.lines.trimStart(scrollBackSize);\n this._bufferService.buffer.ybase = Math.max(this._bufferService.buffer.ybase - scrollBackSize, 0);\n this._bufferService.buffer.ydisp = Math.max(this._bufferService.buffer.ydisp - scrollBackSize, 0);\n // Force a scroll event to refresh viewport\n this._onScroll.fire(0);\n }\n break;\n }\n }\n\n /**\n * CSI Ps K Erase in Line (EL).\n * Ps = 0 -> Erase to Right (default).\n * Ps = 1 -> Erase to Left.\n * Ps = 2 -> Erase All.\n * CSI ? Ps K\n * Erase in Line (DECSEL).\n * Ps = 0 -> Selective Erase to Right (default).\n * Ps = 1 -> Selective Erase to Left.\n * Ps = 2 -> Selective Erase All.\n */\n public eraseInLine(params: IParams): void {\n this._restrictCursor();\n switch (params.params[0]) {\n case 0:\n this._eraseInBufferLine(this._bufferService.buffer.y, this._bufferService.buffer.x, this._bufferService.cols);\n break;\n case 1:\n this._eraseInBufferLine(this._bufferService.buffer.y, 0, this._bufferService.buffer.x + 1);\n break;\n case 2:\n this._eraseInBufferLine(this._bufferService.buffer.y, 0, this._bufferService.cols);\n break;\n }\n this._dirtyRowService.markDirty(this._bufferService.buffer.y);\n }\n\n /**\n * CSI Ps L\n * Insert Ps Line(s) (default = 1) (IL).\n */\n public insertLines(params: IParams): void {\n this._restrictCursor();\n let param = params.params[0] || 1;\n\n // make buffer local for faster access\n const buffer = this._bufferService.buffer;\n\n if (buffer.y > buffer.scrollBottom || buffer.y < buffer.scrollTop) {\n return;\n }\n\n const row: number = buffer.y + buffer.ybase;\n\n const scrollBottomRowsOffset = this._bufferService.rows - 1 - buffer.scrollBottom;\n const scrollBottomAbsolute = this._bufferService.rows - 1 + buffer.ybase - scrollBottomRowsOffset + 1;\n while (param--) {\n // test: echo -e '\\e[44m\\e[1L\\e[0m'\n // blankLine(true) - xterm/linux behavior\n buffer.lines.splice(scrollBottomAbsolute - 1, 1);\n buffer.lines.splice(row, 0, buffer.getBlankLine(this._terminal.eraseAttrData()));\n }\n\n this._dirtyRowService.markRangeDirty(buffer.y, buffer.scrollBottom);\n buffer.x = 0; // see https://vt100.net/docs/vt220-rm/chapter4.html - vt220 only?\n }\n\n /**\n * CSI Ps M\n * Delete Ps Line(s) (default = 1) (DL).\n */\n public deleteLines(params: IParams): void {\n this._restrictCursor();\n let param = params.params[0] || 1;\n\n // make buffer local for faster access\n const buffer = this._bufferService.buffer;\n\n if (buffer.y > buffer.scrollBottom || buffer.y < buffer.scrollTop) {\n return;\n }\n\n const row: number = buffer.y + buffer.ybase;\n\n let j: number;\n j = this._bufferService.rows - 1 - buffer.scrollBottom;\n j = this._bufferService.rows - 1 + buffer.ybase - j;\n while (param--) {\n // test: echo -e '\\e[44m\\e[1M\\e[0m'\n // blankLine(true) - xterm/linux behavior\n buffer.lines.splice(row, 1);\n buffer.lines.splice(j, 0, buffer.getBlankLine(this._terminal.eraseAttrData()));\n }\n\n this._dirtyRowService.markRangeDirty(buffer.y, buffer.scrollBottom);\n buffer.x = 0; // see https://vt100.net/docs/vt220-rm/chapter4.html - vt220 only?\n }\n\n /**\n * CSI Ps @\n * Insert Ps (Blank) Character(s) (default = 1) (ICH).\n */\n public insertChars(params: IParams): void {\n this._restrictCursor();\n const line = this._bufferService.buffer.lines.get(this._bufferService.buffer.y + this._bufferService.buffer.ybase);\n if (line) {\n line.insertCells(\n this._bufferService.buffer.x,\n params.params[0] || 1,\n this._bufferService.buffer.getNullCell(this._terminal.eraseAttrData())\n );\n this._dirtyRowService.markDirty(this._bufferService.buffer.y);\n }\n }\n\n /**\n * CSI Ps P\n * Delete Ps Character(s) (default = 1) (DCH).\n */\n public deleteChars(params: IParams): void {\n this._restrictCursor();\n const line = this._bufferService.buffer.lines.get(this._bufferService.buffer.y + this._bufferService.buffer.ybase);\n if (line) {\n line.deleteCells(\n this._bufferService.buffer.x,\n params.params[0] || 1,\n this._bufferService.buffer.getNullCell(this._terminal.eraseAttrData())\n );\n this._dirtyRowService.markDirty(this._bufferService.buffer.y);\n }\n }\n\n /**\n * CSI Ps S Scroll up Ps lines (default = 1) (SU).\n */\n public scrollUp(params: IParams): void {\n let param = params.params[0] || 1;\n\n // make buffer local for faster access\n const buffer = this._bufferService.buffer;\n\n while (param--) {\n buffer.lines.splice(buffer.ybase + buffer.scrollTop, 1);\n buffer.lines.splice(buffer.ybase + buffer.scrollBottom, 0, buffer.getBlankLine(this._terminal.eraseAttrData()));\n }\n this._dirtyRowService.markRangeDirty(buffer.scrollTop, buffer.scrollBottom);\n }\n\n /**\n * CSI Ps T Scroll down Ps lines (default = 1) (SD).\n */\n public scrollDown(params: IParams): void {\n let param = params.params[0] || 1;\n\n // make buffer local for faster access\n const buffer = this._bufferService.buffer;\n\n while (param--) {\n buffer.lines.splice(buffer.ybase + buffer.scrollBottom, 1);\n buffer.lines.splice(buffer.ybase + buffer.scrollTop, 0, buffer.getBlankLine(DEFAULT_ATTR_DATA));\n }\n this._dirtyRowService.markRangeDirty(buffer.scrollTop, buffer.scrollBottom);\n }\n\n /**\n * CSI Ps SP @ Scroll left Ps columns (default = 1) (SL) ECMA-48\n *\n * Notation: (Pn)\n * Representation: CSI Pn 02/00 04/00\n * Parameter default value: Pn = 1\n * SL causes the data in the presentation component to be moved by n character positions\n * if the line orientation is horizontal, or by n line positions if the line orientation\n * is vertical, such that the data appear to move to the left; where n equals the value of Pn.\n * The active presentation position is not affected by this control function.\n *\n * Supported:\n * - always left shift (no line orientation setting respected)\n */\n public scrollLeft(params: IParams): void {\n const buffer = this._bufferService.buffer;\n if (buffer.y > buffer.scrollBottom || buffer.y < buffer.scrollTop) {\n return;\n }\n const param = params.params[0] || 1;\n for (let y = buffer.scrollTop; y <= buffer.scrollBottom; ++y) {\n const line = buffer.lines.get(buffer.ybase + y);\n line.deleteCells(0, param, buffer.getNullCell(this._terminal.eraseAttrData()));\n line.isWrapped = false;\n }\n this._dirtyRowService.markRangeDirty(buffer.scrollTop, buffer.scrollBottom);\n }\n\n /**\n * CSI Ps SP A Scroll right Ps columns (default = 1) (SR) ECMA-48\n *\n * Notation: (Pn)\n * Representation: CSI Pn 02/00 04/01\n * Parameter default value: Pn = 1\n * SR causes the data in the presentation component to be moved by n character positions\n * if the line orientation is horizontal, or by n line positions if the line orientation\n * is vertical, such that the data appear to move to the right; where n equals the value of Pn.\n * The active presentation position is not affected by this control function.\n *\n * Supported:\n * - always right shift (no line orientation setting respected)\n */\n public scrollRight(params: IParams): void {\n const buffer = this._bufferService.buffer;\n if (buffer.y > buffer.scrollBottom || buffer.y < buffer.scrollTop) {\n return;\n }\n const param = params.params[0] || 1;\n for (let y = buffer.scrollTop; y <= buffer.scrollBottom; ++y) {\n const line = buffer.lines.get(buffer.ybase + y);\n line.insertCells(0, param, buffer.getNullCell(this._terminal.eraseAttrData()));\n line.isWrapped = false;\n }\n this._dirtyRowService.markRangeDirty(buffer.scrollTop, buffer.scrollBottom);\n }\n\n /**\n * CSI Pm ' }\n * Insert Ps Column(s) (default = 1) (DECIC), VT420 and up.\n */\n public insertColumns(params: IParams): void {\n const buffer = this._bufferService.buffer;\n if (buffer.y > buffer.scrollBottom || buffer.y < buffer.scrollTop) {\n return;\n }\n const param = params.params[0] || 1;\n for (let y = buffer.scrollTop; y <= buffer.scrollBottom; ++y) {\n const line = this._bufferService.buffer.lines.get(buffer.ybase + y);\n line.insertCells(buffer.x, param, buffer.getNullCell(this._terminal.eraseAttrData()));\n line.isWrapped = false;\n }\n this._dirtyRowService.markRangeDirty(buffer.scrollTop, buffer.scrollBottom);\n }\n\n /**\n * CSI Pm ' ~\n * Delete Ps Column(s) (default = 1) (DECDC), VT420 and up.\n */\n public deleteColumns(params: IParams): void {\n const buffer = this._bufferService.buffer;\n if (buffer.y > buffer.scrollBottom || buffer.y < buffer.scrollTop) {\n return;\n }\n const param = params.params[0] || 1;\n for (let y = buffer.scrollTop; y <= buffer.scrollBottom; ++y) {\n const line = buffer.lines.get(buffer.ybase + y);\n line.deleteCells(buffer.x, param, buffer.getNullCell(this._terminal.eraseAttrData()));\n line.isWrapped = false;\n }\n this._dirtyRowService.markRangeDirty(buffer.scrollTop, buffer.scrollBottom);\n }\n\n /**\n * CSI Ps X\n * Erase Ps Character(s) (default = 1) (ECH).\n */\n public eraseChars(params: IParams): void {\n this._restrictCursor();\n const line = this._bufferService.buffer.lines.get(this._bufferService.buffer.y + this._bufferService.buffer.ybase);\n if (line) {\n line.replaceCells(\n this._bufferService.buffer.x,\n this._bufferService.buffer.x + (params.params[0] || 1),\n this._bufferService.buffer.getNullCell(this._terminal.eraseAttrData())\n );\n this._dirtyRowService.markDirty(this._bufferService.buffer.y);\n }\n }\n\n /**\n * CSI Ps b Repeat the preceding graphic character Ps times (REP).\n * From ECMA 48 (@see http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-048.pdf)\n * Notation: (Pn)\n * Representation: CSI Pn 06/02\n * Parameter default value: Pn = 1\n * REP is used to indicate that the preceding character in the data stream,\n * if it is a graphic character (represented by one or more bit combinations) including SPACE,\n * is to be repeated n times, where n equals the value of Pn.\n * If the character preceding REP is a control function or part of a control function,\n * the effect of REP is not defined by this Standard.\n *\n * Since we propagate the terminal as xterm-256color we have to follow xterm's behavior:\n * - fullwidth + surrogate chars are ignored\n * - for combining chars only the base char gets repeated\n * - text attrs are applied normally\n * - wrap around is respected\n * - any valid sequence resets the carried forward char\n *\n * Note: To get reset on a valid sequence working correctly without much runtime penalty,\n * the preceding codepoint is stored on the parser in `this.print` and reset during `parser.parse`.\n */\n public repeatPrecedingCharacter(params: IParams): void {\n if (!this._parser.precedingCodepoint) {\n return;\n }\n // call print to insert the chars and handle correct wrapping\n const length = params.params[0] || 1;\n const data = new Uint32Array(length);\n for (let i = 0; i < length; ++i) {\n data[i] = this._parser.precedingCodepoint;\n }\n this.print(data, 0, data.length);\n }\n\n /**\n * CSI Ps c Send Device Attributes (Primary DA).\n * Ps = 0 or omitted -> request attributes from terminal. The\n * response depends on the decTerminalID resource setting.\n * -> CSI ? 1 ; 2 c (``VT100 with Advanced Video Option'')\n * -> CSI ? 1 ; 0 c (``VT101 with No Options'')\n * -> CSI ? 6 c (``VT102'')\n * -> CSI ? 6 0 ; 1 ; 2 ; 6 ; 8 ; 9 ; 1 5 ; c (``VT220'')\n * The VT100-style response parameters do not mean anything by\n * themselves. VT220 parameters do, telling the host what fea-\n * tures the terminal supports:\n * Ps = 1 -> 132-columns.\n * Ps = 2 -> Printer.\n * Ps = 6 -> Selective erase.\n * Ps = 8 -> User-defined keys.\n * Ps = 9 -> National replacement character sets.\n * Ps = 1 5 -> Technical characters.\n * Ps = 2 2 -> ANSI color, e.g., VT525.\n * Ps = 2 9 -> ANSI text locator (i.e., DEC Locator mode).\n * CSI > Ps c\n * Send Device Attributes (Secondary DA).\n * Ps = 0 or omitted -> request the terminal's identification\n * code. The response depends on the decTerminalID resource set-\n * ting. It should apply only to VT220 and up, but xterm extends\n * this to VT100.\n * -> CSI > Pp ; Pv ; Pc c\n * where Pp denotes the terminal type\n * Pp = 0 -> ``VT100''.\n * Pp = 1 -> ``VT220''.\n * and Pv is the firmware version (for xterm, this was originally\n * the XFree86 patch number, starting with 95). In a DEC termi-\n * nal, Pc indicates the ROM cartridge registration number and is\n * always zero.\n * More information:\n * xterm/charproc.c - line 2012, for more information.\n * vim responds with ^[[?0c or ^[[?1c after the terminal's response (?)\n */\n public sendDeviceAttributesPrimary(params: IParams): void {\n if (params.params[0] > 0) {\n return;\n }\n if (this._terminal.is('xterm') || this._terminal.is('rxvt-unicode') || this._terminal.is('screen')) {\n this._coreService.triggerDataEvent(C0.ESC + '[?1;2c');\n } else if (this._terminal.is('linux')) {\n this._coreService.triggerDataEvent(C0.ESC + '[?6c');\n }\n }\n public sendDeviceAttributesSecondary(params: IParams): void {\n if (params.params[0] > 0) {\n return;\n }\n // xterm and urxvt\n // seem to spit this\n // out around ~370 times (?).\n if (this._terminal.is('xterm')) {\n this._coreService.triggerDataEvent(C0.ESC + '[>0;276;0c');\n } else if (this._terminal.is('rxvt-unicode')) {\n this._coreService.triggerDataEvent(C0.ESC + '[>85;95;0c');\n } else if (this._terminal.is('linux')) {\n // not supported by linux console.\n // linux console echoes parameters.\n this._coreService.triggerDataEvent(params.params[0] + 'c');\n } else if (this._terminal.is('screen')) {\n this._coreService.triggerDataEvent(C0.ESC + '[>83;40003;0c');\n }\n }\n\n /**\n * CSI Pm h Set Mode (SM).\n * Ps = 2 -> Keyboard Action Mode (AM).\n * Ps = 4 -> Insert Mode (IRM).\n * Ps = 1 2 -> Send/receive (SRM).\n * Ps = 2 0 -> Automatic Newline (LNM).\n * CSI ? Pm h\n * DEC Private Mode Set (DECSET).\n * Ps = 1 -> Application Cursor Keys (DECCKM).\n * Ps = 2 -> Designate USASCII for character sets G0-G3\n * (DECANM), and set VT100 mode.\n * Ps = 3 -> 132 Column Mode (DECCOLM).\n * Ps = 4 -> Smooth (Slow) Scroll (DECSCLM).\n * Ps = 5 -> Reverse Video (DECSCNM).\n * Ps = 6 -> Origin Mode (DECOM).\n * Ps = 7 -> Wraparound Mode (DECAWM).\n * Ps = 8 -> Auto-repeat Keys (DECARM).\n * Ps = 9 -> Send Mouse X & Y on button press. See the sec-\n * tion Mouse Tracking.\n * Ps = 1 0 -> Show toolbar (rxvt).\n * Ps = 1 2 -> Start Blinking Cursor (att610).\n * Ps = 1 8 -> Print form feed (DECPFF).\n * Ps = 1 9 -> Set print extent to full screen (DECPEX).\n * Ps = 2 5 -> Show Cursor (DECTCEM).\n * Ps = 3 0 -> Show scrollbar (rxvt).\n * Ps = 3 5 -> Enable font-shifting functions (rxvt).\n * Ps = 3 8 -> Enter Tektronix Mode (DECTEK).\n * Ps = 4 0 -> Allow 80 -> 132 Mode.\n * Ps = 4 1 -> more(1) fix (see curses resource).\n * Ps = 4 2 -> Enable Nation Replacement Character sets (DECN-\n * RCM).\n * Ps = 4 4 -> Turn On Margin Bell.\n * Ps = 4 5 -> Reverse-wraparound Mode.\n * Ps = 4 6 -> Start Logging. This is normally disabled by a\n * compile-time option.\n * Ps = 4 7 -> Use Alternate Screen Buffer. (This may be dis-\n * abled by the titeInhibit resource).\n * Ps = 6 6 -> Application keypad (DECNKM).\n * Ps = 6 7 -> Backarrow key sends backspace (DECBKM).\n * Ps = 1 0 0 0 -> Send Mouse X & Y on button press and\n * release. See the section Mouse Tracking.\n * Ps = 1 0 0 1 -> Use Hilite Mouse Tracking.\n * Ps = 1 0 0 2 -> Use Cell Motion Mouse Tracking.\n * Ps = 1 0 0 3 -> Use All Motion Mouse Tracking.\n * Ps = 1 0 0 4 -> Send FocusIn/FocusOut events.\n * Ps = 1 0 0 5 -> Enable Extended Mouse Mode.\n * Ps = 1 0 1 0 -> Scroll to bottom on tty output (rxvt).\n * Ps = 1 0 1 1 -> Scroll to bottom on key press (rxvt).\n * Ps = 1 0 3 4 -> Interpret \"meta\" key, sets eighth bit.\n * (enables the eightBitInput resource).\n * Ps = 1 0 3 5 -> Enable special modifiers for Alt and Num-\n * Lock keys. (This enables the numLock resource).\n * Ps = 1 0 3 6 -> Send ESC when Meta modifies a key. (This\n * enables the metaSendsEscape resource).\n * Ps = 1 0 3 7 -> Send DEL from the editing-keypad Delete\n * key.\n * Ps = 1 0 3 9 -> Send ESC when Alt modifies a key. (This\n * enables the altSendsEscape resource).\n * Ps = 1 0 4 0 -> Keep selection even if not highlighted.\n * (This enables the keepSelection resource).\n * Ps = 1 0 4 1 -> Use the CLIPBOARD selection. (This enables\n * the selectToClipboard resource).\n * Ps = 1 0 4 2 -> Enable Urgency window manager hint when\n * Control-G is received. (This enables the bellIsUrgent\n * resource).\n * Ps = 1 0 4 3 -> Enable raising of the window when Control-G\n * is received. (enables the popOnBell resource).\n * Ps = 1 0 4 7 -> Use Alternate Screen Buffer. (This may be\n * disabled by the titeInhibit resource).\n * Ps = 1 0 4 8 -> Save cursor as in DECSC. (This may be dis-\n * abled by the titeInhibit resource).\n * Ps = 1 0 4 9 -> Save cursor as in DECSC and use Alternate\n * Screen Buffer, clearing it first. (This may be disabled by\n * the titeInhibit resource). This combines the effects of the 1\n * 0 4 7 and 1 0 4 8 modes. Use this with terminfo-based\n * applications rather than the 4 7 mode.\n * Ps = 1 0 5 0 -> Set terminfo/termcap function-key mode.\n * Ps = 1 0 5 1 -> Set Sun function-key mode.\n * Ps = 1 0 5 2 -> Set HP function-key mode.\n * Ps = 1 0 5 3 -> Set SCO function-key mode.\n * Ps = 1 0 6 0 -> Set legacy keyboard emulation (X11R6).\n * Ps = 1 0 6 1 -> Set VT220 keyboard emulation.\n * Ps = 2 0 0 4 -> Set bracketed paste mode.\n * Modes:\n * http: *vt100.net/docs/vt220-rm/chapter4.html\n */\n public setMode(params: IParams): void {\n for (let i = 0; i < params.length; i++) {\n switch (params.params[i]) {\n case 4:\n this._terminal.insertMode = true;\n break;\n case 20:\n // this._t.convertEol = true;\n break;\n }\n }\n }\n public setModePrivate(params: IParams): void {\n for (let i = 0; i < params.length; i++) {\n switch (params.params[i]) {\n case 1:\n this._coreService.decPrivateModes.applicationCursorKeys = true;\n break;\n case 2:\n this._terminal.setgCharset(0, DEFAULT_CHARSET);\n this._terminal.setgCharset(1, DEFAULT_CHARSET);\n this._terminal.setgCharset(2, DEFAULT_CHARSET);\n this._terminal.setgCharset(3, DEFAULT_CHARSET);\n // set VT100 mode here\n break;\n case 3: // 132 col mode\n // TODO: move DECCOLM into compat addon\n this._terminal.savedCols = this._bufferService.cols;\n this._terminal.resize(132, this._bufferService.rows);\n this._terminal.reset();\n break;\n case 6:\n this._terminal.originMode = true;\n this._setCursor(0, 0);\n break;\n case 7:\n this._terminal.wraparoundMode = true;\n break;\n case 12:\n // this.cursorBlink = true;\n break;\n case 66:\n this._logService.debug('Serial port requested application keypad.');\n this._terminal.applicationKeypad = true;\n if (this._terminal.viewport) {\n this._terminal.viewport.syncScrollArea();\n }\n break;\n case 9: // X10 Mouse\n // no release, no motion, no wheel, no modifiers.\n this._coreMouseService.activeProtocol = 'X10';\n break;\n case 1000: // vt200 mouse\n // no motion.\n this._coreMouseService.activeProtocol = 'VT200';\n break;\n case 1002: // button event mouse\n this._coreMouseService.activeProtocol = 'DRAG';\n break;\n case 1003: // any event mouse\n // any event - sends motion events,\n // even if there is no button held down.\n this._coreMouseService.activeProtocol = 'ANY';\n break;\n case 1004: // send focusin/focusout events\n // focusin: ^[[I\n // focusout: ^[[O\n this._terminal.sendFocus = true;\n break;\n case 1005: // utf8 ext mode mouse - removed in #2507\n this._logService.debug('DECSET 1005 not supported (see #2507)');\n break;\n case 1006: // sgr ext mode mouse\n this._coreMouseService.activeEncoding = 'SGR';\n break;\n case 1015: // urxvt ext mode mouse - removed in #2507\n this._logService.debug('DECSET 1015 not supported (see #2507)');\n break;\n case 25: // show cursor\n this._coreService.isCursorHidden = false;\n break;\n case 1048: // alt screen cursor\n this.saveCursor();\n break;\n case 1049: // alt screen buffer cursor\n this.saveCursor();\n // FALL-THROUGH\n case 47: // alt screen buffer\n case 1047: // alt screen buffer\n this._bufferService.buffers.activateAltBuffer(this._terminal.eraseAttrData());\n this._terminal.refresh(0, this._bufferService.rows - 1);\n if (this._terminal.viewport) {\n this._terminal.viewport.syncScrollArea();\n }\n this._terminal.showCursor();\n break;\n case 2004: // bracketed paste mode (https://cirw.in/blog/bracketed-paste)\n this._terminal.bracketedPasteMode = true;\n break;\n }\n }\n }\n\n\n /**\n * CSI Pm l Reset Mode (RM).\n * Ps = 2 -> Keyboard Action Mode (AM).\n * Ps = 4 -> Replace Mode (IRM).\n * Ps = 1 2 -> Send/receive (SRM).\n * Ps = 2 0 -> Normal Linefeed (LNM).\n * CSI ? Pm l\n * DEC Private Mode Reset (DECRST).\n * Ps = 1 -> Normal Cursor Keys (DECCKM).\n * Ps = 2 -> Designate VT52 mode (DECANM).\n * Ps = 3 -> 80 Column Mode (DECCOLM).\n * Ps = 4 -> Jump (Fast) Scroll (DECSCLM).\n * Ps = 5 -> Normal Video (DECSCNM).\n * Ps = 6 -> Normal Cursor Mode (DECOM).\n * Ps = 7 -> No Wraparound Mode (DECAWM).\n * Ps = 8 -> No Auto-repeat Keys (DECARM).\n * Ps = 9 -> Don't send Mouse X & Y on button press.\n * Ps = 1 0 -> Hide toolbar (rxvt).\n * Ps = 1 2 -> Stop Blinking Cursor (att610).\n * Ps = 1 8 -> Don't print form feed (DECPFF).\n * Ps = 1 9 -> Limit print to scrolling region (DECPEX).\n * Ps = 2 5 -> Hide Cursor (DECTCEM).\n * Ps = 3 0 -> Don't show scrollbar (rxvt).\n * Ps = 3 5 -> Disable font-shifting functions (rxvt).\n * Ps = 4 0 -> Disallow 80 -> 132 Mode.\n * Ps = 4 1 -> No more(1) fix (see curses resource).\n * Ps = 4 2 -> Disable Nation Replacement Character sets (DEC-\n * NRCM).\n * Ps = 4 4 -> Turn Off Margin Bell.\n * Ps = 4 5 -> No Reverse-wraparound Mode.\n * Ps = 4 6 -> Stop Logging. (This is normally disabled by a\n * compile-time option).\n * Ps = 4 7 -> Use Normal Screen Buffer.\n * Ps = 6 6 -> Numeric keypad (DECNKM).\n * Ps = 6 7 -> Backarrow key sends delete (DECBKM).\n * Ps = 1 0 0 0 -> Don't send Mouse X & Y on button press and\n * release. See the section Mouse Tracking.\n * Ps = 1 0 0 1 -> Don't use Hilite Mouse Tracking.\n * Ps = 1 0 0 2 -> Don't use Cell Motion Mouse Tracking.\n * Ps = 1 0 0 3 -> Don't use All Motion Mouse Tracking.\n * Ps = 1 0 0 4 -> Don't send FocusIn/FocusOut events.\n * Ps = 1 0 0 5 -> Disable Extended Mouse Mode.\n * Ps = 1 0 1 0 -> Don't scroll to bottom on tty output\n * (rxvt).\n * Ps = 1 0 1 1 -> Don't scroll to bottom on key press (rxvt).\n * Ps = 1 0 3 4 -> Don't interpret \"meta\" key. (This disables\n * the eightBitInput resource).\n * Ps = 1 0 3 5 -> Disable special modifiers for Alt and Num-\n * Lock keys. (This disables the numLock resource).\n * Ps = 1 0 3 6 -> Don't send ESC when Meta modifies a key.\n * (This disables the metaSendsEscape resource).\n * Ps = 1 0 3 7 -> Send VT220 Remove from the editing-keypad\n * Delete key.\n * Ps = 1 0 3 9 -> Don't send ESC when Alt modifies a key.\n * (This disables the altSendsEscape resource).\n * Ps = 1 0 4 0 -> Do not keep selection when not highlighted.\n * (This disables the keepSelection resource).\n * Ps = 1 0 4 1 -> Use the PRIMARY selection. (This disables\n * the selectToClipboard resource).\n * Ps = 1 0 4 2 -> Disable Urgency window manager hint when\n * Control-G is received. (This disables the bellIsUrgent\n * resource).\n * Ps = 1 0 4 3 -> Disable raising of the window when Control-\n * G is received. (This disables the popOnBell resource).\n * Ps = 1 0 4 7 -> Use Normal Screen Buffer, clearing screen\n * first if in the Alternate Screen. (This may be disabled by\n * the titeInhibit resource).\n * Ps = 1 0 4 8 -> Restore cursor as in DECRC. (This may be\n * disabled by the titeInhibit resource).\n * Ps = 1 0 4 9 -> Use Normal Screen Buffer and restore cursor\n * as in DECRC. (This may be disabled by the titeInhibit\n * resource). This combines the effects of the 1 0 4 7 and 1 0\n * 4 8 modes. Use this with terminfo-based applications rather\n * than the 4 7 mode.\n * Ps = 1 0 5 0 -> Reset terminfo/termcap function-key mode.\n * Ps = 1 0 5 1 -> Reset Sun function-key mode.\n * Ps = 1 0 5 2 -> Reset HP function-key mode.\n * Ps = 1 0 5 3 -> Reset SCO function-key mode.\n * Ps = 1 0 6 0 -> Reset legacy keyboard emulation (X11R6).\n * Ps = 1 0 6 1 -> Reset keyboard emulation to Sun/PC style.\n * Ps = 2 0 0 4 -> Reset bracketed paste mode.\n */\n public resetMode(params: IParams): void {\n for (let i = 0; i < params.length; i++) {\n switch (params.params[i]) {\n case 4:\n this._terminal.insertMode = false;\n break;\n case 20:\n // this._t.convertEol = false;\n break;\n }\n }\n }\n public resetModePrivate(params: IParams): void {\n for (let i = 0; i < params.length; i++) {\n switch (params.params[i]) {\n case 1:\n this._coreService.decPrivateModes.applicationCursorKeys = false;\n break;\n case 3:\n // TODO: move DECCOLM into compat addon\n // Note: This impl currently does not enforce col 80, instead reverts\n // to previous terminal width before entering DECCOLM 132\n if (this._bufferService.cols === 132 && this._terminal.savedCols) {\n this._terminal.resize(this._terminal.savedCols, this._bufferService.rows);\n }\n delete this._terminal.savedCols;\n this._terminal.reset();\n break;\n case 6:\n this._terminal.originMode = false;\n this._setCursor(0, 0);\n break;\n case 7:\n this._terminal.wraparoundMode = false;\n break;\n case 12:\n // this.cursorBlink = false;\n break;\n case 66:\n this._logService.debug('Switching back to normal keypad.');\n this._terminal.applicationKeypad = false;\n if (this._terminal.viewport) {\n this._terminal.viewport.syncScrollArea();\n }\n break;\n case 9: // X10 Mouse\n case 1000: // vt200 mouse\n case 1002: // button event mouse\n case 1003: // any event mouse\n this._coreMouseService.activeProtocol = 'NONE';\n break;\n case 1004: // send focusin/focusout events\n this._terminal.sendFocus = false;\n break;\n case 1005: // utf8 ext mode mouse - removed in #2507\n this._logService.debug('DECRST 1005 not supported (see #2507)');\n break;\n case 1006: // sgr ext mode mouse\n this._coreMouseService.activeEncoding = 'DEFAULT';\n break;\n case 1015: // urxvt ext mode mouse - removed in #2507\n this._logService.debug('DECRST 1015 not supported (see #2507)');\n break;\n case 25: // hide cursor\n this._coreService.isCursorHidden = true;\n break;\n case 1048: // alt screen cursor\n this.restoreCursor();\n break;\n case 1049: // alt screen buffer cursor\n // FALL-THROUGH\n case 47: // normal screen buffer\n case 1047: // normal screen buffer - clearing it first\n // Ensure the selection manager has the correct buffer\n this._bufferService.buffers.activateNormalBuffer();\n if (params.params[i] === 1049) {\n this.restoreCursor();\n }\n this._terminal.refresh(0, this._bufferService.rows - 1);\n if (this._terminal.viewport) {\n this._terminal.viewport.syncScrollArea();\n }\n this._terminal.showCursor();\n break;\n case 2004: // bracketed paste mode (https://cirw.in/blog/bracketed-paste)\n this._terminal.bracketedPasteMode = false;\n break;\n }\n }\n }\n\n /**\n * Helper to extract and apply color params/subparams.\n * Returns advance for params index.\n */\n private _extractColor(params: IParams, pos: number, attr: IAttributeData): number {\n // normalize params\n // meaning: [target, CM, ign, val, val, val]\n // RGB : [ 38/48, 2, ign, r, g, b]\n // P256 : [ 38/48, 5, ign, v, ign, ign]\n const accu = [0, 0, -1, 0, 0, 0];\n\n // alignment placeholder for non color space sequences\n let cSpace = 0;\n\n // return advance we took in params\n let advance = 0;\n\n do {\n accu[advance + cSpace] = params.params[pos + advance];\n if (params.hasSubParams(pos + advance)) {\n const subparams = params.getSubParams(pos + advance);\n let i = 0;\n do {\n if (accu[1] === 5) {\n cSpace = 1;\n }\n accu[advance + i + 1 + cSpace] = subparams[i];\n } while (++i < subparams.length && i + advance + 1 + cSpace < accu.length);\n break;\n }\n // exit early if can decide color mode with semicolons\n if ((accu[1] === 5 && advance + cSpace >= 2)\n || (accu[1] === 2 && advance + cSpace >= 5)) {\n break;\n }\n // offset colorSpace slot for semicolon mode\n if (accu[1]) {\n cSpace = 1;\n }\n } while (++advance + pos < params.length && advance + cSpace < accu.length);\n\n // set default values to 0\n for (let i = 2; i < accu.length; ++i) {\n if (accu[i] === -1) {\n accu[i] = 0;\n }\n }\n\n // apply colors\n if (accu[0] === 38) {\n if (accu[1] === 2) {\n attr.fg |= Attributes.CM_RGB;\n attr.fg &= ~Attributes.RGB_MASK;\n attr.fg |= AttributeData.fromColorRGB([accu[3], accu[4], accu[5]]);\n } else if (accu[1] === 5) {\n attr.fg &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK);\n attr.fg |= Attributes.CM_P256 | (accu[3] & 0xff);\n }\n } else if (accu[0] === 48) {\n if (accu[1] === 2) {\n attr.bg |= Attributes.CM_RGB;\n attr.bg &= ~Attributes.RGB_MASK;\n attr.bg |= AttributeData.fromColorRGB([accu[3], accu[4], accu[5]]);\n } else if (accu[1] === 5) {\n attr.bg &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK);\n attr.bg |= Attributes.CM_P256 | (accu[3] & 0xff);\n }\n }\n\n return advance;\n }\n\n /**\n * CSI Pm m Character Attributes (SGR).\n * Ps = 0 -> Normal (default).\n * Ps = 1 -> Bold.\n * Ps = 2 -> Faint, decreased intensity (ISO 6429).\n * Ps = 4 -> Underlined.\n * Ps = 5 -> Blink (appears as Bold).\n * Ps = 7 -> Inverse.\n * Ps = 8 -> Invisible, i.e., hidden (VT300).\n * Ps = 2 2 -> Normal (neither bold nor faint).\n * Ps = 2 4 -> Not underlined.\n * Ps = 2 5 -> Steady (not blinking).\n * Ps = 2 7 -> Positive (not inverse).\n * Ps = 2 8 -> Visible, i.e., not hidden (VT300).\n * Ps = 3 0 -> Set foreground color to Black.\n * Ps = 3 1 -> Set foreground color to Red.\n * Ps = 3 2 -> Set foreground color to Green.\n * Ps = 3 3 -> Set foreground color to Yellow.\n * Ps = 3 4 -> Set foreground color to Blue.\n * Ps = 3 5 -> Set foreground color to Magenta.\n * Ps = 3 6 -> Set foreground color to Cyan.\n * Ps = 3 7 -> Set foreground color to White.\n * Ps = 3 9 -> Set foreground color to default (original).\n * Ps = 4 0 -> Set background color to Black.\n * Ps = 4 1 -> Set background color to Red.\n * Ps = 4 2 -> Set background color to Green.\n * Ps = 4 3 -> Set background color to Yellow.\n * Ps = 4 4 -> Set background color to Blue.\n * Ps = 4 5 -> Set background color to Magenta.\n * Ps = 4 6 -> Set background color to Cyan.\n * Ps = 4 7 -> Set background color to White.\n * Ps = 4 9 -> Set background color to default (original).\n *\n * If 16-color support is compiled, the following apply. Assume\n * that xterm's resources are set so that the ISO color codes are\n * the first 8 of a set of 16. Then the aixterm colors are the\n * bright versions of the ISO colors:\n * Ps = 9 0 -> Set foreground color to Black.\n * Ps = 9 1 -> Set foreground color to Red.\n * Ps = 9 2 -> Set foreground color to Green.\n * Ps = 9 3 -> Set foreground color to Yellow.\n * Ps = 9 4 -> Set foreground color to Blue.\n * Ps = 9 5 -> Set foreground color to Magenta.\n * Ps = 9 6 -> Set foreground color to Cyan.\n * Ps = 9 7 -> Set foreground color to White.\n * Ps = 1 0 0 -> Set background color to Black.\n * Ps = 1 0 1 -> Set background color to Red.\n * Ps = 1 0 2 -> Set background color to Green.\n * Ps = 1 0 3 -> Set background color to Yellow.\n * Ps = 1 0 4 -> Set background color to Blue.\n * Ps = 1 0 5 -> Set background color to Magenta.\n * Ps = 1 0 6 -> Set background color to Cyan.\n * Ps = 1 0 7 -> Set background color to White.\n *\n * If xterm is compiled with the 16-color support disabled, it\n * supports the following, from rxvt:\n * Ps = 1 0 0 -> Set foreground and background color to\n * default.\n *\n * If 88- or 256-color support is compiled, the following apply.\n * Ps = 3 8 ; 5 ; Ps -> Set foreground color to the second\n * Ps.\n * Ps = 4 8 ; 5 ; Ps -> Set background color to the second\n * Ps.\n */\n public charAttributes(params: IParams): void {\n // Optimize a single SGR0.\n if (params.length === 1 && params.params[0] === 0) {\n this._terminal.curAttrData.fg = DEFAULT_ATTR_DATA.fg;\n this._terminal.curAttrData.bg = DEFAULT_ATTR_DATA.bg;\n return;\n }\n\n const l = params.length;\n let p;\n const attr = this._terminal.curAttrData;\n\n for (let i = 0; i < l; i++) {\n p = params.params[i];\n if (p >= 30 && p <= 37) {\n // fg color 8\n attr.fg &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK);\n attr.fg |= Attributes.CM_P16 | (p - 30);\n } else if (p >= 40 && p <= 47) {\n // bg color 8\n attr.bg &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK);\n attr.bg |= Attributes.CM_P16 | (p - 40);\n } else if (p >= 90 && p <= 97) {\n // fg color 16\n attr.fg &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK);\n attr.fg |= Attributes.CM_P16 | (p - 90) | 8;\n } else if (p >= 100 && p <= 107) {\n // bg color 16\n attr.bg &= ~(Attributes.CM_MASK | Attributes.PCOLOR_MASK);\n attr.bg |= Attributes.CM_P16 | (p - 100) | 8;\n } else if (p === 0) {\n // default\n attr.fg = DEFAULT_ATTR_DATA.fg;\n attr.bg = DEFAULT_ATTR_DATA.bg;\n } else if (p === 1) {\n // bold text\n attr.fg |= FgFlags.BOLD;\n } else if (p === 3) {\n // italic text\n attr.bg |= BgFlags.ITALIC;\n } else if (p === 4) {\n // underlined text\n attr.fg |= FgFlags.UNDERLINE;\n } else if (p === 5) {\n // blink\n attr.fg |= FgFlags.BLINK;\n } else if (p === 7) {\n // inverse and positive\n // test with: echo -e '\\e[31m\\e[42mhello\\e[7mworld\\e[27mhi\\e[m'\n attr.fg |= FgFlags.INVERSE;\n } else if (p === 8) {\n // invisible\n attr.fg |= FgFlags.INVISIBLE;\n } else if (p === 2) {\n // dimmed text\n attr.bg |= BgFlags.DIM;\n } else if (p === 22) {\n // not bold nor faint\n attr.fg &= ~FgFlags.BOLD;\n attr.bg &= ~BgFlags.DIM;\n } else if (p === 23) {\n // not italic\n attr.bg &= ~BgFlags.ITALIC;\n } else if (p === 24) {\n // not underlined\n attr.fg &= ~FgFlags.UNDERLINE;\n } else if (p === 25) {\n // not blink\n attr.fg &= ~FgFlags.BLINK;\n } else if (p === 27) {\n // not inverse\n attr.fg &= ~FgFlags.INVERSE;\n } else if (p === 28) {\n // not invisible\n attr.fg &= ~FgFlags.INVISIBLE;\n } else if (p === 39) {\n // reset fg\n attr.fg &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);\n attr.fg |= DEFAULT_ATTR_DATA.fg & (Attributes.PCOLOR_MASK | Attributes.RGB_MASK);\n } else if (p === 49) {\n // reset bg\n attr.bg &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);\n attr.bg |= DEFAULT_ATTR_DATA.bg & (Attributes.PCOLOR_MASK | Attributes.RGB_MASK);\n } else if (p === 38 || p === 48) {\n // fg color 256 and RGB\n i += this._extractColor(params, i, attr);\n } else if (p === 100) {\n // reset fg/bg\n attr.fg &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);\n attr.fg |= DEFAULT_ATTR_DATA.fg & (Attributes.PCOLOR_MASK | Attributes.RGB_MASK);\n attr.bg &= ~(Attributes.CM_MASK | Attributes.RGB_MASK);\n attr.bg |= DEFAULT_ATTR_DATA.bg & (Attributes.PCOLOR_MASK | Attributes.RGB_MASK);\n } else {\n this._logService.debug('Unknown SGR attribute: %d.', p);\n }\n }\n }\n\n /**\n * CSI Ps n Device Status Report (DSR).\n * Ps = 5 -> Status Report. Result (``OK'') is\n * CSI 0 n\n * Ps = 6 -> Report Cursor Position (CPR) [row;column].\n * Result is\n * CSI r ; c R\n * CSI ? Ps n\n * Device Status Report (DSR, DEC-specific).\n * Ps = 6 -> Report Cursor Position (CPR) [row;column] as CSI\n * ? r ; c R (assumes page is zero).\n * Ps = 1 5 -> Report Printer status as CSI ? 1 0 n (ready).\n * or CSI ? 1 1 n (not ready).\n * Ps = 2 5 -> Report UDK status as CSI ? 2 0 n (unlocked)\n * or CSI ? 2 1 n (locked).\n * Ps = 2 6 -> Report Keyboard status as\n * CSI ? 2 7 ; 1 ; 0 ; 0 n (North American).\n * The last two parameters apply to VT400 & up, and denote key-\n * board ready and LK01 respectively.\n * Ps = 5 3 -> Report Locator status as\n * CSI ? 5 3 n Locator available, if compiled-in, or\n * CSI ? 5 0 n No Locator, if not.\n */\n public deviceStatus(params: IParams): void {\n switch (params.params[0]) {\n case 5:\n // status report\n this._coreService.triggerDataEvent(`${C0.ESC}[0n`);\n break;\n case 6:\n // cursor position\n const y = this._bufferService.buffer.y + 1;\n const x = this._bufferService.buffer.x + 1;\n this._coreService.triggerDataEvent(`${C0.ESC}[${y};${x}R`);\n break;\n }\n }\n\n public deviceStatusPrivate(params: IParams): void {\n // modern xterm doesnt seem to\n // respond to any of these except ?6, 6, and 5\n switch (params.params[0]) {\n case 6:\n // cursor position\n const y = this._bufferService.buffer.y + 1;\n const x = this._bufferService.buffer.x + 1;\n this._coreService.triggerDataEvent(`${C0.ESC}[?${y};${x}R`);\n break;\n case 15:\n // no printer\n // this.handler(C0.ESC + '[?11n');\n break;\n case 25:\n // dont support user defined keys\n // this.handler(C0.ESC + '[?21n');\n break;\n case 26:\n // north american keyboard\n // this.handler(C0.ESC + '[?27;1;0;0n');\n break;\n case 53:\n // no dec locator/mouse\n // this.handler(C0.ESC + '[?50n');\n break;\n }\n }\n\n /**\n * CSI ! p Soft terminal reset (DECSTR).\n * http://vt100.net/docs/vt220-rm/table4-10.html\n */\n public softReset(params: IParams): void {\n this._coreService.isCursorHidden = false;\n this._terminal.insertMode = false;\n this._terminal.originMode = false;\n this._terminal.wraparoundMode = true; // defaults: xterm - true, vt100 - false\n this._terminal.applicationKeypad = false; // ?\n if (this._terminal.viewport) {\n this._terminal.viewport.syncScrollArea();\n }\n this._coreService.decPrivateModes.applicationCursorKeys = false;\n this._bufferService.buffer.scrollTop = 0;\n this._bufferService.buffer.scrollBottom = this._bufferService.rows - 1;\n this._terminal.curAttrData = DEFAULT_ATTR_DATA.clone();\n this._bufferService.buffer.x = this._bufferService.buffer.y = 0; // ?\n this._terminal.charset = null;\n this._terminal.glevel = 0; // ??\n this._terminal.charsets = [null]; // ??\n }\n\n /**\n * CSI Ps SP q Set cursor style (DECSCUSR, VT520).\n * Ps = 0 -> blinking block.\n * Ps = 1 -> blinking block (default).\n * Ps = 2 -> steady block.\n * Ps = 3 -> blinking underline.\n * Ps = 4 -> steady underline.\n * Ps = 5 -> blinking bar (xterm).\n * Ps = 6 -> steady bar (xterm).\n */\n public setCursorStyle(params: IParams): void {\n const param = params.params[0] || 1;\n switch (param) {\n case 1:\n case 2:\n this._optionsService.options.cursorStyle = 'block';\n break;\n case 3:\n case 4:\n this._optionsService.options.cursorStyle = 'underline';\n break;\n case 5:\n case 6:\n this._optionsService.options.cursorStyle = 'bar';\n break;\n }\n const isBlinking = param % 2 === 1;\n this._optionsService.options.cursorBlink = isBlinking;\n }\n\n /**\n * CSI Ps ; Ps r\n * Set Scrolling Region [top;bottom] (default = full size of win-\n * dow) (DECSTBM).\n */\n public setScrollRegion(params: IParams): void {\n const top = params.params[0] || 1;\n let bottom: number;\n\n if (params.length < 2 || (bottom = params.params[1]) > this._bufferService.rows || bottom === 0) {\n bottom = this._bufferService.rows;\n }\n\n if (bottom > top) {\n this._bufferService.buffer.scrollTop = top - 1;\n this._bufferService.buffer.scrollBottom = bottom - 1;\n this._setCursor(0, 0);\n }\n }\n\n\n /**\n * CSI s\n * ESC 7\n * Save cursor (ANSI.SYS).\n */\n public saveCursor(params?: IParams): void {\n this._bufferService.buffer.savedX = this._bufferService.buffer.x;\n this._bufferService.buffer.savedY = this._bufferService.buffer.ybase + this._bufferService.buffer.y;\n this._bufferService.buffer.savedCurAttrData.fg = this._terminal.curAttrData.fg;\n this._bufferService.buffer.savedCurAttrData.bg = this._terminal.curAttrData.bg;\n this._bufferService.buffer.savedCharset = this._terminal.charset;\n }\n\n\n /**\n * CSI u\n * ESC 8\n * Restore cursor (ANSI.SYS).\n */\n public restoreCursor(params?: IParams): void {\n this._bufferService.buffer.x = this._bufferService.buffer.savedX || 0;\n this._bufferService.buffer.y = Math.max(this._bufferService.buffer.savedY - this._bufferService.buffer.ybase, 0);\n this._terminal.curAttrData.fg = this._bufferService.buffer.savedCurAttrData.fg;\n this._terminal.curAttrData.bg = this._bufferService.buffer.savedCurAttrData.bg;\n this._terminal.charset = (this as any)._savedCharset;\n if (this._bufferService.buffer.savedCharset) {\n this._terminal.charset = this._bufferService.buffer.savedCharset;\n }\n this._restrictCursor();\n }\n\n\n /**\n * OSC 0; <data> ST (set icon name + window title)\n * OSC 2; <data> ST (set window title)\n * Proxy to set window title. Icon name is not supported.\n */\n public setTitle(data: string): void {\n this._terminal.handleTitle(data);\n }\n\n /**\n * ESC E\n * C1.NEL\n * DEC mnemonic: NEL (https://vt100.net/docs/vt510-rm/NEL)\n * Moves cursor to first position on next line.\n */\n public nextLine(): void {\n this._bufferService.buffer.x = 0;\n this.index();\n }\n\n /**\n * ESC =\n * DEC mnemonic: DECKPAM (https://vt100.net/docs/vt510-rm/DECKPAM.html)\n * Enables the numeric keypad to send application sequences to the host.\n */\n public keypadApplicationMode(): void {\n this._logService.debug('Serial port requested application keypad.');\n this._terminal.applicationKeypad = true;\n if (this._terminal.viewport) {\n this._terminal.viewport.syncScrollArea();\n }\n }\n\n /**\n * ESC >\n * DEC mnemonic: DECKPNM (https://vt100.net/docs/vt510-rm/DECKPNM.html)\n * Enables the keypad to send numeric characters to the host.\n */\n public keypadNumericMode(): void {\n this._logService.debug('Switching back to normal keypad.');\n this._terminal.applicationKeypad = false;\n if (this._terminal.viewport) {\n this._terminal.viewport.syncScrollArea();\n }\n }\n\n /**\n * ESC % @\n * ESC % G\n * Select default character set. UTF-8 is not supported (string are unicode anyways)\n * therefore ESC % G does the same.\n */\n public selectDefaultCharset(): void {\n this._terminal.setgLevel(0);\n this._terminal.setgCharset(0, DEFAULT_CHARSET); // US (default)\n }\n\n /**\n * ESC ( C\n * Designate G0 Character Set, VT100, ISO 2022.\n * ESC ) C\n * Designate G1 Character Set (ISO 2022, VT100).\n * ESC * C\n * Designate G2 Character Set (ISO 2022, VT220).\n * ESC + C\n * Designate G3 Character Set (ISO 2022, VT220).\n * ESC - C\n * Designate G1 Character Set (VT300).\n * ESC . C\n * Designate G2 Character Set (VT300).\n * ESC / C\n * Designate G3 Character Set (VT300). C = A -> ISO Latin-1 Supplemental. - Supported?\n */\n public selectCharset(collectAndFlag: string): void {\n if (collectAndFlag.length !== 2) {\n this.selectDefaultCharset();\n return;\n }\n if (collectAndFlag[0] === '/') {\n return; // TODO: Is this supported?\n }\n this._terminal.setgCharset(GLEVEL[collectAndFlag[0]], CHARSETS[collectAndFlag[1]] || DEFAULT_CHARSET);\n return;\n }\n\n /**\n * ESC D\n * C1.IND\n * DEC mnemonic: IND (https://vt100.net/docs/vt510-rm/IND.html)\n * Moves the cursor down one line in the same column.\n */\n public index(): void {\n this._restrictCursor();\n const buffer = this._bufferService.buffer;\n this._bufferService.buffer.y++;\n if (buffer.y === buffer.scrollBottom + 1) {\n buffer.y--;\n this._terminal.scroll();\n } else if (buffer.y >= this._bufferService.rows) {\n buffer.y = this._bufferService.rows - 1;\n }\n this._restrictCursor();\n }\n\n /**\n * ESC H\n * C1.HTS\n * DEC mnemonic: HTS (https://vt100.net/docs/vt510-rm/HTS.html)\n * Sets a horizontal tab stop at the column position indicated by\n * the value of the active column when the terminal receives an HTS.\n */\n public tabSet(): void {\n this._bufferService.buffer.tabs[this._bufferService.buffer.x] = true;\n }\n\n /**\n * ESC M\n * C1.RI\n * DEC mnemonic: HTS\n * Moves the cursor up one line in the same column. If the cursor is at the top margin,\n * the page scrolls down.\n */\n public reverseIndex(): void {\n this._restrictCursor();\n const buffer = this._bufferService.buffer;\n if (buffer.y === buffer.scrollTop) {\n // possibly move the code below to term.reverseScroll();\n // test: echo -ne '\\e[1;1H\\e[44m\\eM\\e[0m'\n // blankLine(true) is xterm/linux behavior\n const scrollRegionHeight = buffer.scrollBottom - buffer.scrollTop;\n buffer.lines.shiftElements(buffer.y + buffer.ybase, scrollRegionHeight, 1);\n buffer.lines.set(buffer.y + buffer.ybase, buffer.getBlankLine(this._terminal.eraseAttrData()));\n this._dirtyRowService.markRangeDirty(buffer.scrollTop, buffer.scrollBottom);\n } else {\n buffer.y--;\n this._restrictCursor(); // quickfix to not run out of bounds\n }\n }\n\n /**\n * ESC c\n * DEC mnemonic: RIS (https://vt100.net/docs/vt510-rm/RIS.html)\n * Reset to initial state.\n */\n public reset(): void {\n this._parser.reset();\n this._terminal.reset(); // TODO: save to move from terminal?\n }\n\n /**\n * ESC n\n * ESC o\n * ESC |\n * ESC }\n * ESC ~\n * DEC mnemonic: LS (https://vt100.net/docs/vt510-rm/LS.html)\n * When you use a locking shift, the character set remains in GL or GR until\n * you use another locking shift. (partly supported)\n */\n public setgLevel(level: number): void {\n this._terminal.setgLevel(level); // TODO: save to move from terminal?\n }\n\n /**\n * ESC # 8\n * DEC mnemonic: DECALN (https://vt100.net/docs/vt510-rm/DECALN.html)\n * This control function fills the complete screen area with\n * a test pattern (E) used for adjusting screen alignment.\n *\n * TODO: move DECALN into compat addon\n */\n public screenAlignmentPattern(): void {\n // prepare cell data\n const cell = new CellData();\n cell.content = 1 << Content.WIDTH_SHIFT | 'E'.charCodeAt(0);\n cell.fg = this._terminal.curAttrData.fg;\n cell.bg = this._terminal.curAttrData.bg;\n\n const buffer = this._bufferService.buffer;\n\n this._setCursor(0, 0);\n for (let yOffset = 0; yOffset < this._bufferService.rows; ++yOffset) {\n const row = buffer.y + buffer.ybase + yOffset;\n buffer.lines.get(row).fill(cell);\n buffer.lines.get(row).isWrapped = false;\n }\n this._dirtyRowService.markAllDirty();\n this._setCursor(0, 0);\n }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IParsingState, IDcsHandler, IEscapeSequenceParser, IParams, IOscHandler, IHandlerCollection, CsiHandlerType, OscFallbackHandlerType, IOscParser, EscHandlerType, IDcsParser, DcsFallbackHandlerType, IFunctionIdentifier, ExecuteFallbackHandlerType, CsiFallbackHandlerType, EscFallbackHandlerType, PrintHandlerType, PrintFallbackHandlerType, ExecuteHandlerType } from 'common/parser/Types';\nimport { ParserState, ParserAction } from 'common/parser/Constants';\nimport { Disposable } from 'common/Lifecycle';\nimport { IDisposable } from 'common/Types';\nimport { fill } from 'common/TypedArrayUtils';\nimport { Params } from 'common/parser/Params';\nimport { OscParser } from 'common/parser/OscParser';\nimport { DcsParser } from 'common/parser/DcsParser';\n\n/**\n * Table values are generated like this:\n * index: currentState << TableValue.INDEX_STATE_SHIFT | charCode\n * value: action << TableValue.TRANSITION_ACTION_SHIFT | nextState\n */\nconst enum TableAccess {\n TRANSITION_ACTION_SHIFT = 4,\n TRANSITION_STATE_MASK = 15,\n INDEX_STATE_SHIFT = 8\n}\n\n/**\n * Transition table for EscapeSequenceParser.\n */\nexport class TransitionTable {\n public table: Uint8Array;\n\n constructor(length: number) {\n this.table = new Uint8Array(length);\n }\n\n /**\n * Set default transition.\n * @param action default action\n * @param next default next state\n */\n public setDefault(action: ParserAction, next: ParserState): void {\n fill(this.table, action << TableAccess.TRANSITION_ACTION_SHIFT | next);\n }\n\n /**\n * Add a transition to the transition table.\n * @param code input character code\n * @param state current parser state\n * @param action parser action to be done\n * @param next next parser state\n */\n public add(code: number, state: ParserState, action: ParserAction, next: ParserState): void {\n this.table[state << TableAccess.INDEX_STATE_SHIFT | code] = action << TableAccess.TRANSITION_ACTION_SHIFT | next;\n }\n\n /**\n * Add transitions for multiple input character codes.\n * @param codes input character code array\n * @param state current parser state\n * @param action parser action to be done\n * @param next next parser state\n */\n public addMany(codes: number[], state: ParserState, action: ParserAction, next: ParserState): void {\n for (let i = 0; i < codes.length; i++) {\n this.table[state << TableAccess.INDEX_STATE_SHIFT | codes[i]] = action << TableAccess.TRANSITION_ACTION_SHIFT | next;\n }\n }\n}\n\n\n// Pseudo-character placeholder for printable non-ascii characters (unicode).\nconst NON_ASCII_PRINTABLE = 0xA0;\n\n\n/**\n * VT500 compatible transition table.\n * Taken from https://vt100.net/emu/dec_ansi_parser.\n */\nexport const VT500_TRANSITION_TABLE = (function (): TransitionTable {\n const table: TransitionTable = new TransitionTable(4095);\n\n // range macro for byte\n const BYTE_VALUES = 256;\n const blueprint = Array.apply(null, Array(BYTE_VALUES)).map((unused: any, i: number) => i);\n const r = (start: number, end: number) => blueprint.slice(start, end);\n\n // Default definitions.\n const PRINTABLES = r(0x20, 0x7f); // 0x20 (SP) included, 0x7F (DEL) excluded\n const EXECUTABLES = r(0x00, 0x18);\n EXECUTABLES.push(0x19);\n EXECUTABLES.push.apply(EXECUTABLES, r(0x1c, 0x20));\n\n const states: number[] = r(ParserState.GROUND, ParserState.DCS_PASSTHROUGH + 1);\n let state: any;\n\n // set default transition\n table.setDefault(ParserAction.ERROR, ParserState.GROUND);\n // printables\n table.addMany(PRINTABLES, ParserState.GROUND, ParserAction.PRINT, ParserState.GROUND);\n // global anywhere rules\n for (state in states) {\n table.addMany([0x18, 0x1a, 0x99, 0x9a], state, ParserAction.EXECUTE, ParserState.GROUND);\n table.addMany(r(0x80, 0x90), state, ParserAction.EXECUTE, ParserState.GROUND);\n table.addMany(r(0x90, 0x98), state, ParserAction.EXECUTE, ParserState.GROUND);\n table.add(0x9c, state, ParserAction.IGNORE, ParserState.GROUND); // ST as terminator\n table.add(0x1b, state, ParserAction.CLEAR, ParserState.ESCAPE); // ESC\n table.add(0x9d, state, ParserAction.OSC_START, ParserState.OSC_STRING); // OSC\n table.addMany([0x98, 0x9e, 0x9f], state, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);\n table.add(0x9b, state, ParserAction.CLEAR, ParserState.CSI_ENTRY); // CSI\n table.add(0x90, state, ParserAction.CLEAR, ParserState.DCS_ENTRY); // DCS\n }\n // rules for executables and 7f\n table.addMany(EXECUTABLES, ParserState.GROUND, ParserAction.EXECUTE, ParserState.GROUND);\n table.addMany(EXECUTABLES, ParserState.ESCAPE, ParserAction.EXECUTE, ParserState.ESCAPE);\n table.add(0x7f, ParserState.ESCAPE, ParserAction.IGNORE, ParserState.ESCAPE);\n table.addMany(EXECUTABLES, ParserState.OSC_STRING, ParserAction.IGNORE, ParserState.OSC_STRING);\n table.addMany(EXECUTABLES, ParserState.CSI_ENTRY, ParserAction.EXECUTE, ParserState.CSI_ENTRY);\n table.add(0x7f, ParserState.CSI_ENTRY, ParserAction.IGNORE, ParserState.CSI_ENTRY);\n table.addMany(EXECUTABLES, ParserState.CSI_PARAM, ParserAction.EXECUTE, ParserState.CSI_PARAM);\n table.add(0x7f, ParserState.CSI_PARAM, ParserAction.IGNORE, ParserState.CSI_PARAM);\n table.addMany(EXECUTABLES, ParserState.CSI_IGNORE, ParserAction.EXECUTE, ParserState.CSI_IGNORE);\n table.addMany(EXECUTABLES, ParserState.CSI_INTERMEDIATE, ParserAction.EXECUTE, ParserState.CSI_INTERMEDIATE);\n table.add(0x7f, ParserState.CSI_INTERMEDIATE, ParserAction.IGNORE, ParserState.CSI_INTERMEDIATE);\n table.addMany(EXECUTABLES, ParserState.ESCAPE_INTERMEDIATE, ParserAction.EXECUTE, ParserState.ESCAPE_INTERMEDIATE);\n table.add(0x7f, ParserState.ESCAPE_INTERMEDIATE, ParserAction.IGNORE, ParserState.ESCAPE_INTERMEDIATE);\n // osc\n table.add(0x5d, ParserState.ESCAPE, ParserAction.OSC_START, ParserState.OSC_STRING);\n table.addMany(PRINTABLES, ParserState.OSC_STRING, ParserAction.OSC_PUT, ParserState.OSC_STRING);\n table.add(0x7f, ParserState.OSC_STRING, ParserAction.OSC_PUT, ParserState.OSC_STRING);\n table.addMany([0x9c, 0x1b, 0x18, 0x1a, 0x07], ParserState.OSC_STRING, ParserAction.OSC_END, ParserState.GROUND);\n table.addMany(r(0x1c, 0x20), ParserState.OSC_STRING, ParserAction.IGNORE, ParserState.OSC_STRING);\n // sos/pm/apc does nothing\n table.addMany([0x58, 0x5e, 0x5f], ParserState.ESCAPE, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);\n table.addMany(PRINTABLES, ParserState.SOS_PM_APC_STRING, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);\n table.addMany(EXECUTABLES, ParserState.SOS_PM_APC_STRING, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);\n table.add(0x9c, ParserState.SOS_PM_APC_STRING, ParserAction.IGNORE, ParserState.GROUND);\n table.add(0x7f, ParserState.SOS_PM_APC_STRING, ParserAction.IGNORE, ParserState.SOS_PM_APC_STRING);\n // csi entries\n table.add(0x5b, ParserState.ESCAPE, ParserAction.CLEAR, ParserState.CSI_ENTRY);\n table.addMany(r(0x40, 0x7f), ParserState.CSI_ENTRY, ParserAction.CSI_DISPATCH, ParserState.GROUND);\n table.addMany(r(0x30, 0x3c), ParserState.CSI_ENTRY, ParserAction.PARAM, ParserState.CSI_PARAM);\n table.addMany([0x3c, 0x3d, 0x3e, 0x3f], ParserState.CSI_ENTRY, ParserAction.COLLECT, ParserState.CSI_PARAM);\n table.addMany(r(0x30, 0x3c), ParserState.CSI_PARAM, ParserAction.PARAM, ParserState.CSI_PARAM);\n table.addMany(r(0x40, 0x7f), ParserState.CSI_PARAM, ParserAction.CSI_DISPATCH, ParserState.GROUND);\n table.addMany([0x3c, 0x3d, 0x3e, 0x3f], ParserState.CSI_PARAM, ParserAction.IGNORE, ParserState.CSI_IGNORE);\n table.addMany(r(0x20, 0x40), ParserState.CSI_IGNORE, ParserAction.IGNORE, ParserState.CSI_IGNORE);\n table.add(0x7f, ParserState.CSI_IGNORE, ParserAction.IGNORE, ParserState.CSI_IGNORE);\n table.addMany(r(0x40, 0x7f), ParserState.CSI_IGNORE, ParserAction.IGNORE, ParserState.GROUND);\n table.addMany(r(0x20, 0x30), ParserState.CSI_ENTRY, ParserAction.COLLECT, ParserState.CSI_INTERMEDIATE);\n table.addMany(r(0x20, 0x30), ParserState.CSI_INTERMEDIATE, ParserAction.COLLECT, ParserState.CSI_INTERMEDIATE);\n table.addMany(r(0x30, 0x40), ParserState.CSI_INTERMEDIATE, ParserAction.IGNORE, ParserState.CSI_IGNORE);\n table.addMany(r(0x40, 0x7f), ParserState.CSI_INTERMEDIATE, ParserAction.CSI_DISPATCH, ParserState.GROUND);\n table.addMany(r(0x20, 0x30), ParserState.CSI_PARAM, ParserAction.COLLECT, ParserState.CSI_INTERMEDIATE);\n // esc_intermediate\n table.addMany(r(0x20, 0x30), ParserState.ESCAPE, ParserAction.COLLECT, ParserState.ESCAPE_INTERMEDIATE);\n table.addMany(r(0x20, 0x30), ParserState.ESCAPE_INTERMEDIATE, ParserAction.COLLECT, ParserState.ESCAPE_INTERMEDIATE);\n table.addMany(r(0x30, 0x7f), ParserState.ESCAPE_INTERMEDIATE, ParserAction.ESC_DISPATCH, ParserState.GROUND);\n table.addMany(r(0x30, 0x50), ParserState.ESCAPE, ParserAction.ESC_DISPATCH, ParserState.GROUND);\n table.addMany(r(0x51, 0x58), ParserState.ESCAPE, ParserAction.ESC_DISPATCH, ParserState.GROUND);\n table.addMany([0x59, 0x5a, 0x5c], ParserState.ESCAPE, ParserAction.ESC_DISPATCH, ParserState.GROUND);\n table.addMany(r(0x60, 0x7f), ParserState.ESCAPE, ParserAction.ESC_DISPATCH, ParserState.GROUND);\n // dcs entry\n table.add(0x50, ParserState.ESCAPE, ParserAction.CLEAR, ParserState.DCS_ENTRY);\n table.addMany(EXECUTABLES, ParserState.DCS_ENTRY, ParserAction.IGNORE, ParserState.DCS_ENTRY);\n table.add(0x7f, ParserState.DCS_ENTRY, ParserAction.IGNORE, ParserState.DCS_ENTRY);\n table.addMany(r(0x1c, 0x20), ParserState.DCS_ENTRY, ParserAction.IGNORE, ParserState.DCS_ENTRY);\n table.addMany(r(0x20, 0x30), ParserState.DCS_ENTRY, ParserAction.COLLECT, ParserState.DCS_INTERMEDIATE);\n table.addMany(r(0x30, 0x3c), ParserState.DCS_ENTRY, ParserAction.PARAM, ParserState.DCS_PARAM);\n table.addMany([0x3c, 0x3d, 0x3e, 0x3f], ParserState.DCS_ENTRY, ParserAction.COLLECT, ParserState.DCS_PARAM);\n table.addMany(EXECUTABLES, ParserState.DCS_IGNORE, ParserAction.IGNORE, ParserState.DCS_IGNORE);\n table.addMany(r(0x20, 0x80), ParserState.DCS_IGNORE, ParserAction.IGNORE, ParserState.DCS_IGNORE);\n table.addMany(r(0x1c, 0x20), ParserState.DCS_IGNORE, ParserAction.IGNORE, ParserState.DCS_IGNORE);\n table.addMany(EXECUTABLES, ParserState.DCS_PARAM, ParserAction.IGNORE, ParserState.DCS_PARAM);\n table.add(0x7f, ParserState.DCS_PARAM, ParserAction.IGNORE, ParserState.DCS_PARAM);\n table.addMany(r(0x1c, 0x20), ParserState.DCS_PARAM, ParserAction.IGNORE, ParserState.DCS_PARAM);\n table.addMany(r(0x30, 0x3c), ParserState.DCS_PARAM, ParserAction.PARAM, ParserState.DCS_PARAM);\n table.addMany([0x3c, 0x3d, 0x3e, 0x3f], ParserState.DCS_PARAM, ParserAction.IGNORE, ParserState.DCS_IGNORE);\n table.addMany(r(0x20, 0x30), ParserState.DCS_PARAM, ParserAction.COLLECT, ParserState.DCS_INTERMEDIATE);\n table.addMany(EXECUTABLES, ParserState.DCS_INTERMEDIATE, ParserAction.IGNORE, ParserState.DCS_INTERMEDIATE);\n table.add(0x7f, ParserState.DCS_INTERMEDIATE, ParserAction.IGNORE, ParserState.DCS_INTERMEDIATE);\n table.addMany(r(0x1c, 0x20), ParserState.DCS_INTERMEDIATE, ParserAction.IGNORE, ParserState.DCS_INTERMEDIATE);\n table.addMany(r(0x20, 0x30), ParserState.DCS_INTERMEDIATE, ParserAction.COLLECT, ParserState.DCS_INTERMEDIATE);\n table.addMany(r(0x30, 0x40), ParserState.DCS_INTERMEDIATE, ParserAction.IGNORE, ParserState.DCS_IGNORE);\n table.addMany(r(0x40, 0x7f), ParserState.DCS_INTERMEDIATE, ParserAction.DCS_HOOK, ParserState.DCS_PASSTHROUGH);\n table.addMany(r(0x40, 0x7f), ParserState.DCS_PARAM, ParserAction.DCS_HOOK, ParserState.DCS_PASSTHROUGH);\n table.addMany(r(0x40, 0x7f), ParserState.DCS_ENTRY, ParserAction.DCS_HOOK, ParserState.DCS_PASSTHROUGH);\n table.addMany(EXECUTABLES, ParserState.DCS_PASSTHROUGH, ParserAction.DCS_PUT, ParserState.DCS_PASSTHROUGH);\n table.addMany(PRINTABLES, ParserState.DCS_PASSTHROUGH, ParserAction.DCS_PUT, ParserState.DCS_PASSTHROUGH);\n table.add(0x7f, ParserState.DCS_PASSTHROUGH, ParserAction.IGNORE, ParserState.DCS_PASSTHROUGH);\n table.addMany([0x1b, 0x9c, 0x18, 0x1a], ParserState.DCS_PASSTHROUGH, ParserAction.DCS_UNHOOK, ParserState.GROUND);\n // special handling of unicode chars\n table.add(NON_ASCII_PRINTABLE, ParserState.GROUND, ParserAction.PRINT, ParserState.GROUND);\n table.add(NON_ASCII_PRINTABLE, ParserState.OSC_STRING, ParserAction.OSC_PUT, ParserState.OSC_STRING);\n table.add(NON_ASCII_PRINTABLE, ParserState.CSI_IGNORE, ParserAction.IGNORE, ParserState.CSI_IGNORE);\n table.add(NON_ASCII_PRINTABLE, ParserState.DCS_IGNORE, ParserAction.IGNORE, ParserState.DCS_IGNORE);\n table.add(NON_ASCII_PRINTABLE, ParserState.DCS_PASSTHROUGH, ParserAction.DCS_PUT, ParserState.DCS_PASSTHROUGH);\n return table;\n})();\n\n\n/**\n * EscapeSequenceParser.\n * This class implements the ANSI/DEC compatible parser described by\n * Paul Williams (https://vt100.net/emu/dec_ansi_parser).\n *\n * To implement custom ANSI compliant escape sequences it is not needed to\n * alter this parser, instead consider registering a custom handler.\n * For non ANSI compliant sequences change the transition table with\n * the optional `transitions` constructor argument and\n * reimplement the `parse` method.\n *\n * This parser is currently hardcoded to operate in ZDM (Zero Default Mode)\n * as suggested by the original parser, thus empty parameters are set to 0.\n * This this is not in line with the latest ECMA-48 specification\n * (ZDM was part of the early specs and got completely removed later on).\n *\n * Other than the original parser from vt100.net this parser supports\n * sub parameters in digital parameters separated by colons. Empty sub parameters\n * are set to -1 (no ZDM for sub parameters).\n *\n * About prefix and intermediate bytes:\n * This parser follows the assumptions of the vt100.net parser with these restrictions:\n * - only one prefix byte is allowed as first parameter byte, byte range 0x3c .. 0x3f\n * - max. two intermediates are respected, byte range 0x20 .. 0x2f\n * Note that this is not in line with ECMA-48 which does not limit either of those.\n * Furthermore ECMA-48 allows the prefix byte range at any param byte position. Currently\n * there are no known sequences that follow the broader definition of the specification.\n *\n * TODO: implement error recovery hook via error handler return values\n */\nexport class EscapeSequenceParser extends Disposable implements IEscapeSequenceParser {\n public initialState: number;\n public currentState: number;\n public precedingCodepoint: number;\n\n // buffers over several parse calls\n protected _params: Params;\n protected _collect: number;\n\n // handler lookup containers\n protected _printHandler: PrintHandlerType;\n protected _executeHandlers: {[flag: number]: ExecuteHandlerType};\n protected _csiHandlers: IHandlerCollection<CsiHandlerType>;\n protected _escHandlers: IHandlerCollection<EscHandlerType>;\n protected _oscParser: IOscParser;\n protected _dcsParser: IDcsParser;\n protected _errorHandler: (state: IParsingState) => IParsingState;\n\n // fallback handlers\n protected _printHandlerFb: PrintFallbackHandlerType;\n protected _executeHandlerFb: ExecuteFallbackHandlerType;\n protected _csiHandlerFb: CsiFallbackHandlerType;\n protected _escHandlerFb: EscFallbackHandlerType;\n protected _errorHandlerFb: (state: IParsingState) => IParsingState;\n\n constructor(readonly TRANSITIONS: TransitionTable = VT500_TRANSITION_TABLE) {\n super();\n\n this.initialState = ParserState.GROUND;\n this.currentState = this.initialState;\n this._params = new Params(); // defaults to 32 storable params/subparams\n this._params.addParam(0); // ZDM\n this._collect = 0;\n this.precedingCodepoint = 0;\n\n // set default fallback handlers and handler lookup containers\n this._printHandlerFb = (data, start, end): void => { };\n this._executeHandlerFb = (code: number): void => { };\n this._csiHandlerFb = (ident: number, params: IParams): void => { };\n this._escHandlerFb = (ident: number): void => { };\n this._errorHandlerFb = (state: IParsingState): IParsingState => state;\n this._printHandler = this._printHandlerFb;\n this._executeHandlers = Object.create(null);\n this._csiHandlers = Object.create(null);\n this._escHandlers = Object.create(null);\n this._oscParser = new OscParser();\n this._dcsParser = new DcsParser();\n this._errorHandler = this._errorHandlerFb;\n\n // swallow 7bit ST (ESC+\\)\n this.setEscHandler({final: '\\\\'}, () => {});\n }\n\n protected _identifier(id: IFunctionIdentifier, finalRange: number[] = [0x40, 0x7e]): number {\n let res = 0;\n if (id.prefix) {\n if (id.prefix.length > 1) {\n throw new Error('only one byte as prefix supported');\n }\n res = id.prefix.charCodeAt(0);\n if (res && 0x3c > res || res > 0x3f) {\n throw new Error('prefix must be in range 0x3c .. 0x3f');\n }\n }\n if (id.intermediates) {\n if (id.intermediates.length > 2) {\n throw new Error('only two bytes as intermediates are supported');\n }\n for (let i = 0; i < id.intermediates.length; ++i) {\n const intermediate = id.intermediates.charCodeAt(i);\n if (0x20 > intermediate || intermediate > 0x2f) {\n throw new Error('intermediate must be in range 0x20 .. 0x2f');\n }\n res <<= 8;\n res |= intermediate;\n }\n }\n if (id.final.length !== 1) {\n throw new Error('final must be a single byte');\n }\n const finalCode = id.final.charCodeAt(0);\n if (finalRange[0] > finalCode || finalCode > finalRange[1]) {\n throw new Error(`final must be in range ${finalRange[0]} .. ${finalRange[1]}`);\n }\n res <<= 8;\n res |= finalCode;\n\n return res;\n }\n\n public identToString(ident: number): string {\n const res: string[] = [];\n while (ident) {\n res.push(String.fromCharCode(ident & 0xFF));\n ident >>= 8;\n }\n return res.reverse().join('');\n }\n\n public dispose(): void {\n this._csiHandlers = Object.create(null);\n this._executeHandlers = Object.create(null);\n this._escHandlers = Object.create(null);\n this._oscParser.dispose();\n this._dcsParser.dispose();\n }\n\n public setPrintHandler(handler: PrintHandlerType): void {\n this._printHandler = handler;\n }\n public clearPrintHandler(): void {\n this._printHandler = this._printHandlerFb;\n }\n\n public addEscHandler(id: IFunctionIdentifier, handler: EscHandlerType): IDisposable {\n const ident = this._identifier(id, [0x30, 0x7e]);\n if (this._escHandlers[ident] === undefined) {\n this._escHandlers[ident] = [];\n }\n const handlerList = this._escHandlers[ident];\n handlerList.push(handler);\n return {\n dispose: () => {\n const handlerIndex = handlerList.indexOf(handler);\n if (handlerIndex !== -1) {\n handlerList.splice(handlerIndex, 1);\n }\n }\n };\n }\n public setEscHandler(id: IFunctionIdentifier, handler: EscHandlerType): void {\n this._escHandlers[this._identifier(id, [0x30, 0x7e])] = [handler];\n }\n public clearEscHandler(id: IFunctionIdentifier): void {\n if (this._escHandlers[this._identifier(id, [0x30, 0x7e])]) delete this._escHandlers[this._identifier(id, [0x30, 0x7e])];\n }\n public setEscHandlerFallback(handler: EscFallbackHandlerType): void {\n this._escHandlerFb = handler;\n }\n\n public setExecuteHandler(flag: string, handler: ExecuteHandlerType): void {\n this._executeHandlers[flag.charCodeAt(0)] = handler;\n }\n public clearExecuteHandler(flag: string): void {\n if (this._executeHandlers[flag.charCodeAt(0)]) delete this._executeHandlers[flag.charCodeAt(0)];\n }\n public setExecuteHandlerFallback(handler: ExecuteFallbackHandlerType): void {\n this._executeHandlerFb = handler;\n }\n\n public addCsiHandler(id: IFunctionIdentifier, handler: CsiHandlerType): IDisposable {\n const ident = this._identifier(id);\n if (this._csiHandlers[ident] === undefined) {\n this._csiHandlers[ident] = [];\n }\n const handlerList = this._csiHandlers[ident];\n handlerList.push(handler);\n return {\n dispose: () => {\n const handlerIndex = handlerList.indexOf(handler);\n if (handlerIndex !== -1) {\n handlerList.splice(handlerIndex, 1);\n }\n }\n };\n }\n public setCsiHandler(id: IFunctionIdentifier, handler: CsiHandlerType): void {\n this._csiHandlers[this._identifier(id)] = [handler];\n }\n public clearCsiHandler(id: IFunctionIdentifier): void {\n if (this._csiHandlers[this._identifier(id)]) delete this._csiHandlers[this._identifier(id)];\n }\n public setCsiHandlerFallback(callback: (ident: number, params: IParams) => void): void {\n this._csiHandlerFb = callback;\n }\n\n public addDcsHandler(id: IFunctionIdentifier, handler: IDcsHandler): IDisposable {\n return this._dcsParser.addHandler(this._identifier(id), handler);\n }\n public setDcsHandler(id: IFunctionIdentifier, handler: IDcsHandler): void {\n this._dcsParser.setHandler(this._identifier(id), handler);\n }\n public clearDcsHandler(id: IFunctionIdentifier): void {\n this._dcsParser.clearHandler(this._identifier(id));\n }\n public setDcsHandlerFallback(handler: DcsFallbackHandlerType): void {\n this._dcsParser.setHandlerFallback(handler);\n }\n\n public addOscHandler(ident: number, handler: IOscHandler): IDisposable {\n return this._oscParser.addHandler(ident, handler);\n }\n public setOscHandler(ident: number, handler: IOscHandler): void {\n this._oscParser.setHandler(ident, handler);\n }\n public clearOscHandler(ident: number): void {\n this._oscParser.clearHandler(ident);\n }\n public setOscHandlerFallback(handler: OscFallbackHandlerType): void {\n this._oscParser.setHandlerFallback(handler);\n }\n\n public setErrorHandler(callback: (state: IParsingState) => IParsingState): void {\n this._errorHandler = callback;\n }\n public clearErrorHandler(): void {\n this._errorHandler = this._errorHandlerFb;\n }\n\n public reset(): void {\n this.currentState = this.initialState;\n this._oscParser.reset();\n this._dcsParser.reset();\n this._params.reset();\n this._params.addParam(0); // ZDM\n this._collect = 0;\n this.precedingCodepoint = 0;\n }\n\n\n\n /**\n * Parse UTF32 codepoints in `data` up to `length`.\n *\n * Note: For several actions with high data load the parsing is optimized\n * by using local read ahead loops with hardcoded conditions to\n * avoid costly table lookups. Make sure that any change of table values\n * will be reflected in the loop conditions as well and vice versa.\n * Affected states/actions:\n * - GROUND:PRINT\n * - CSI_PARAM:PARAM\n * - DCS_PARAM:PARAM\n * - OSC_STRING:OSC_PUT\n * - DCS_PASSTHROUGH:DCS_PUT\n */\n public parse(data: Uint32Array, length: number): void {\n let code = 0;\n let transition = 0;\n let currentState = this.currentState;\n const osc = this._oscParser;\n const dcs = this._dcsParser;\n let collect = this._collect;\n const params = this._params;\n const table: Uint8Array = this.TRANSITIONS.table;\n\n // process input string\n for (let i = 0; i < length; ++i) {\n code = data[i];\n\n // normal transition & action lookup\n transition = table[currentState << TableAccess.INDEX_STATE_SHIFT | (code < 0xa0 ? code : NON_ASCII_PRINTABLE)];\n switch (transition >> TableAccess.TRANSITION_ACTION_SHIFT) {\n case ParserAction.PRINT:\n // read ahead with loop unrolling\n // Note: 0x20 (SP) is included, 0x7F (DEL) is excluded\n for (let j = i + 1; ; ++j) {\n if (j >= length || (code = data[j]) < 0x20 || (code > 0x7e && code < NON_ASCII_PRINTABLE)) {\n this._printHandler(data, i, j);\n i = j - 1;\n break;\n }\n if (++j >= length || (code = data[j]) < 0x20 || (code > 0x7e && code < NON_ASCII_PRINTABLE)) {\n this._printHandler(data, i, j);\n i = j - 1;\n break;\n }\n if (++j >= length || (code = data[j]) < 0x20 || (code > 0x7e && code < NON_ASCII_PRINTABLE)) {\n this._printHandler(data, i, j);\n i = j - 1;\n break;\n }\n if (++j >= length || (code = data[j]) < 0x20 || (code > 0x7e && code < NON_ASCII_PRINTABLE)) {\n this._printHandler(data, i, j);\n i = j - 1;\n break;\n }\n }\n break;\n case ParserAction.EXECUTE:\n if (this._executeHandlers[code]) this._executeHandlers[code]();\n else this._executeHandlerFb(code);\n this.precedingCodepoint = 0;\n break;\n case ParserAction.IGNORE:\n break;\n case ParserAction.ERROR:\n const inject: IParsingState = this._errorHandler(\n {\n position: i,\n code,\n currentState,\n collect,\n params,\n abort: false\n });\n if (inject.abort) return;\n // inject values: currently not implemented\n break;\n case ParserAction.CSI_DISPATCH:\n // Trigger CSI Handler\n const handlers = this._csiHandlers[collect << 8 | code];\n let j = handlers ? handlers.length - 1 : -1;\n for (; j >= 0; j--) {\n // undefined or true means success and to stop bubbling\n if (handlers[j](params) !== false) {\n break;\n }\n }\n if (j < 0) {\n this._csiHandlerFb(collect << 8 | code, params);\n }\n this.precedingCodepoint = 0;\n break;\n case ParserAction.PARAM:\n // inner loop: digits (0x30 - 0x39) and ; (0x3b) and : (0x3a)\n do {\n switch (code) {\n case 0x3b:\n params.addParam(0); // ZDM\n break;\n case 0x3a:\n params.addSubParam(-1);\n break;\n default: // 0x30 - 0x39\n params.addDigit(code - 48);\n }\n } while (++i < length && (code = data[i]) > 0x2f && code < 0x3c);\n i--;\n break;\n case ParserAction.COLLECT:\n collect <<= 8;\n collect |= code;\n break;\n case ParserAction.ESC_DISPATCH:\n const handlersEsc = this._escHandlers[collect << 8 | code];\n let jj = handlersEsc ? handlersEsc.length - 1 : -1;\n for (; jj >= 0; jj--) {\n // undefined or true means success and to stop bubbling\n if (handlersEsc[jj]() !== false) {\n break;\n }\n }\n if (jj < 0) {\n this._escHandlerFb(collect << 8 | code);\n }\n this.precedingCodepoint = 0;\n break;\n case ParserAction.CLEAR:\n params.reset();\n params.addParam(0); // ZDM\n collect = 0;\n break;\n case ParserAction.DCS_HOOK:\n dcs.hook(collect << 8 | code, params);\n break;\n case ParserAction.DCS_PUT:\n // inner loop - exit DCS_PUT: 0x18, 0x1a, 0x1b, 0x7f, 0x80 - 0x9f\n // unhook triggered by: 0x1b, 0x9c (success) and 0x18, 0x1a (abort)\n for (let j = i + 1; ; ++j) {\n if (j >= length || (code = data[j]) === 0x18 || code === 0x1a || code === 0x1b || (code > 0x7f && code < NON_ASCII_PRINTABLE)) {\n dcs.put(data, i, j);\n i = j - 1;\n break;\n }\n }\n break;\n case ParserAction.DCS_UNHOOK:\n dcs.unhook(code !== 0x18 && code !== 0x1a);\n if (code === 0x1b) transition |= ParserState.ESCAPE;\n params.reset();\n params.addParam(0); // ZDM\n collect = 0;\n this.precedingCodepoint = 0;\n break;\n case ParserAction.OSC_START:\n osc.start();\n break;\n case ParserAction.OSC_PUT:\n // inner loop: 0x20 (SP) included, 0x7F (DEL) included\n for (let j = i + 1; ; j++) {\n if (j >= length || (code = data[j]) < 0x20 || (code > 0x7f && code <= 0x9f)) {\n osc.put(data, i, j);\n i = j - 1;\n break;\n }\n }\n break;\n case ParserAction.OSC_END:\n osc.end(code !== 0x18 && code !== 0x1a);\n if (code === 0x1b) transition |= ParserState.ESCAPE;\n params.reset();\n params.addParam(0); // ZDM\n collect = 0;\n this.precedingCodepoint = 0;\n break;\n }\n currentState = transition & TableAccess.TRANSITION_STATE_MASK;\n }\n\n // save collected intermediates\n this._collect = collect;\n\n // save state\n this.currentState = currentState;\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { TextRenderLayer } from 'browser/renderer/TextRenderLayer';\nimport { SelectionRenderLayer } from 'browser/renderer/SelectionRenderLayer';\nimport { CursorRenderLayer } from 'browser/renderer/CursorRenderLayer';\nimport { IRenderLayer, IRenderer, IRenderDimensions, CharacterJoinerHandler, ICharacterJoinerRegistry, IRequestRefreshRowsEvent } from 'browser/renderer/Types';\nimport { LinkRenderLayer } from 'browser/renderer/LinkRenderLayer';\nimport { CharacterJoinerRegistry } from 'browser/renderer/CharacterJoinerRegistry';\nimport { Disposable } from 'common/Lifecycle';\nimport { IColorSet, ILinkifier } from 'browser/Types';\nimport { ICharSizeService, ICoreBrowserService } from 'browser/services/Services';\nimport { IBufferService, IOptionsService, ICoreService } from 'common/services/Services';\nimport { removeTerminalFromCache } from 'browser/renderer/atlas/CharAtlasCache';\nimport { EventEmitter, IEvent } from 'common/EventEmitter';\n\nlet nextRendererId = 1;\n\nexport class Renderer extends Disposable implements IRenderer {\n private _id = nextRendererId++;\n\n private _renderLayers: IRenderLayer[];\n private _devicePixelRatio: number;\n private _characterJoinerRegistry: ICharacterJoinerRegistry;\n\n public dimensions: IRenderDimensions;\n\n private _onRequestRefreshRows = new EventEmitter<IRequestRefreshRowsEvent>();\n public get onRequestRefreshRows(): IEvent<IRequestRefreshRowsEvent> { return this._onRequestRefreshRows.event; }\n\n constructor(\n private _colors: IColorSet,\n private readonly _screenElement: HTMLElement,\n private readonly _linkifier: ILinkifier,\n @IBufferService private readonly _bufferService: IBufferService,\n @ICharSizeService private readonly _charSizeService: ICharSizeService,\n @IOptionsService private readonly _optionsService: IOptionsService,\n @ICoreService readonly coreService: ICoreService,\n @ICoreBrowserService readonly coreBrowserService: ICoreBrowserService\n ) {\n super();\n const allowTransparency = this._optionsService.options.allowTransparency;\n this._characterJoinerRegistry = new CharacterJoinerRegistry(this._bufferService);\n\n this._renderLayers = [\n new TextRenderLayer(this._screenElement, 0, this._colors, this._characterJoinerRegistry, allowTransparency, this._id, this._bufferService, _optionsService),\n new SelectionRenderLayer(this._screenElement, 1, this._colors, this._id, this._bufferService, _optionsService),\n new LinkRenderLayer(this._screenElement, 2, this._colors, this._id, this._linkifier, this._bufferService, _optionsService),\n new CursorRenderLayer(this._screenElement, 3, this._colors, this._id, this._onRequestRefreshRows, this._bufferService, _optionsService, coreService, coreBrowserService)\n ];\n this.dimensions = {\n scaledCharWidth: 0,\n scaledCharHeight: 0,\n scaledCellWidth: 0,\n scaledCellHeight: 0,\n scaledCharLeft: 0,\n scaledCharTop: 0,\n scaledCanvasWidth: 0,\n scaledCanvasHeight: 0,\n canvasWidth: 0,\n canvasHeight: 0,\n actualCellWidth: 0,\n actualCellHeight: 0\n };\n this._devicePixelRatio = window.devicePixelRatio;\n this._updateDimensions();\n this.onOptionsChanged();\n }\n\n public dispose(): void {\n super.dispose();\n this._renderLayers.forEach(l => l.dispose());\n removeTerminalFromCache(this._id);\n }\n\n public onDevicePixelRatioChange(): void {\n // If the device pixel ratio changed, the char atlas needs to be regenerated\n // and the terminal needs to refreshed\n if (this._devicePixelRatio !== window.devicePixelRatio) {\n this._devicePixelRatio = window.devicePixelRatio;\n this.onResize(this._bufferService.cols, this._bufferService.rows);\n }\n }\n\n public setColors(colors: IColorSet): void {\n this._colors = colors;\n\n // Clear layers and force a full render\n this._renderLayers.forEach(l => {\n l.setColors(this._colors);\n l.reset();\n });\n }\n\n public onResize(cols: number, rows: number): void {\n // Update character and canvas dimensions\n this._updateDimensions();\n\n // Resize all render layers\n this._renderLayers.forEach(l => l.resize(this.dimensions));\n\n // Resize the screen\n this._screenElement.style.width = `${this.dimensions.canvasWidth}px`;\n this._screenElement.style.height = `${this.dimensions.canvasHeight}px`;\n }\n\n public onCharSizeChanged(): void {\n this.onResize(this._bufferService.cols, this._bufferService.rows);\n }\n\n public onBlur(): void {\n this._runOperation(l => l.onBlur());\n }\n\n public onFocus(): void {\n this._runOperation(l => l.onFocus());\n }\n\n public onSelectionChanged(start: [number, number], end: [number, number], columnSelectMode: boolean = false): void {\n this._runOperation(l => l.onSelectionChanged(start, end, columnSelectMode));\n }\n\n public onCursorMove(): void {\n this._runOperation(l => l.onCursorMove());\n }\n\n public onOptionsChanged(): void {\n this._runOperation(l => l.onOptionsChanged());\n }\n\n public clear(): void {\n this._runOperation(l => l.reset());\n }\n\n private _runOperation(operation: (layer: IRenderLayer) => void): void {\n this._renderLayers.forEach(l => operation(l));\n }\n\n /**\n * Performs the refresh loop callback, calling refresh only if a refresh is\n * necessary before queueing up the next one.\n */\n public renderRows(start: number, end: number): void {\n this._renderLayers.forEach(l => l.onGridChanged(start, end));\n }\n\n /**\n * Recalculates the character and canvas dimensions.\n */\n private _updateDimensions(): void {\n if (!this._charSizeService.hasValidSize) {\n return;\n }\n\n // Calculate the scaled character width. Width is floored as it must be\n // drawn to an integer grid in order for the CharAtlas \"stamps\" to not be\n // blurry. When text is drawn to the grid not using the CharAtlas, it is\n // clipped to ensure there is no overlap with the next cell.\n this.dimensions.scaledCharWidth = Math.floor(this._charSizeService.width * window.devicePixelRatio);\n\n // Calculate the scaled character height. Height is ceiled in case\n // devicePixelRatio is a floating point number in order to ensure there is\n // enough space to draw the character to the cell.\n this.dimensions.scaledCharHeight = Math.ceil(this._charSizeService.height * window.devicePixelRatio);\n\n // Calculate the scaled cell height, if lineHeight is not 1 then the value\n // will be floored because since lineHeight can never be lower then 1, there\n // is a guarentee that the scaled line height will always be larger than\n // scaled char height.\n this.dimensions.scaledCellHeight = Math.floor(this.dimensions.scaledCharHeight * this._optionsService.options.lineHeight);\n\n // Calculate the y coordinate within a cell that text should draw from in\n // order to draw in the center of a cell.\n this.dimensions.scaledCharTop = this._optionsService.options.lineHeight === 1 ? 0 : Math.round((this.dimensions.scaledCellHeight - this.dimensions.scaledCharHeight) / 2);\n\n // Calculate the scaled cell width, taking the letterSpacing into account.\n this.dimensions.scaledCellWidth = this.dimensions.scaledCharWidth + Math.round(this._optionsService.options.letterSpacing);\n\n // Calculate the x coordinate with a cell that text should draw from in\n // order to draw in the center of a cell.\n this.dimensions.scaledCharLeft = Math.floor(this._optionsService.options.letterSpacing / 2);\n\n // Recalculate the canvas dimensions; scaled* define the actual number of\n // pixel in the canvas\n this.dimensions.scaledCanvasHeight = this._bufferService.rows * this.dimensions.scaledCellHeight;\n this.dimensions.scaledCanvasWidth = this._bufferService.cols * this.dimensions.scaledCellWidth;\n\n // The the size of the canvas on the page. It's very important that this\n // rounds to nearest integer and not ceils as browsers often set\n // window.devicePixelRatio as something like 1.100000023841858, when it's\n // actually 1.1. Ceiling causes blurriness as the backing canvas image is 1\n // pixel too large for the canvas element size.\n this.dimensions.canvasHeight = Math.round(this.dimensions.scaledCanvasHeight / window.devicePixelRatio);\n this.dimensions.canvasWidth = Math.round(this.dimensions.scaledCanvasWidth / window.devicePixelRatio);\n\n // Get the _actual_ dimensions of an individual cell. This needs to be\n // derived from the canvasWidth/Height calculated above which takes into\n // account window.devicePixelRatio. ICharSizeService.width/height by itself\n // is insufficient when the page is not at 100% zoom level as it's measured\n // in CSS pixels, but the actual char size on the canvas can differ.\n this.dimensions.actualCellHeight = this.dimensions.canvasHeight / this._bufferService.rows;\n this.dimensions.actualCellWidth = this.dimensions.canvasWidth / this._bufferService.cols;\n }\n\n public registerCharacterJoiner(handler: CharacterJoinerHandler): number {\n return this._characterJoinerRegistry.registerCharacterJoiner(handler);\n }\n\n public deregisterCharacterJoiner(joinerId: number): boolean {\n return this._characterJoinerRegistry.deregisterCharacterJoiner(joinerId);\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ICharacterJoinerRegistry, IRenderDimensions } from 'browser/renderer/Types';\nimport { CharData, ICellData } from 'common/Types';\nimport { GridCache } from 'browser/renderer/GridCache';\nimport { BaseRenderLayer } from 'browser/renderer/BaseRenderLayer';\nimport { AttributeData } from 'common/buffer/AttributeData';\nimport { NULL_CELL_CODE, Content } from 'common/buffer/Constants';\nimport { JoinedCellData } from 'browser/renderer/CharacterJoinerRegistry';\nimport { IColorSet } from 'browser/Types';\nimport { CellData } from 'common/buffer/CellData';\nimport { IOptionsService, IBufferService } from 'common/services/Services';\n\n/**\n * This CharData looks like a null character, which will forc a clear and render\n * when the character changes (a regular space ' ' character may not as it's\n * drawn state is a cleared cell).\n */\n// const OVERLAP_OWNED_CHAR_DATA: CharData = [null, '', 0, -1];\n\nexport class TextRenderLayer extends BaseRenderLayer {\n private _state: GridCache<CharData>;\n private _characterWidth: number = 0;\n private _characterFont: string = '';\n private _characterOverlapCache: { [key: string]: boolean } = {};\n private _characterJoinerRegistry: ICharacterJoinerRegistry;\n private _workCell = new CellData();\n\n constructor(\n container: HTMLElement,\n zIndex: number,\n colors: IColorSet,\n characterJoinerRegistry: ICharacterJoinerRegistry,\n alpha: boolean,\n rendererId: number,\n readonly bufferService: IBufferService,\n readonly optionsService: IOptionsService\n ) {\n super(container, 'text', zIndex, alpha, colors, rendererId, bufferService, optionsService);\n this._state = new GridCache<CharData>();\n this._characterJoinerRegistry = characterJoinerRegistry;\n }\n\n public resize(dim: IRenderDimensions): void {\n super.resize(dim);\n\n // Clear the character width cache if the font or width has changed\n const terminalFont = this._getFont(false, false);\n if (this._characterWidth !== dim.scaledCharWidth || this._characterFont !== terminalFont) {\n this._characterWidth = dim.scaledCharWidth;\n this._characterFont = terminalFont;\n this._characterOverlapCache = {};\n }\n // Resizing the canvas discards the contents of the canvas so clear state\n this._state.clear();\n this._state.resize(this._bufferService.cols, this._bufferService.rows);\n }\n\n public reset(): void {\n this._state.clear();\n this._clearAll();\n }\n\n private _forEachCell(\n firstRow: number,\n lastRow: number,\n joinerRegistry: ICharacterJoinerRegistry | null,\n callback: (\n cell: ICellData,\n x: number,\n y: number\n ) => void\n ): void {\n for (let y = firstRow; y <= lastRow; y++) {\n const row = y + this._bufferService.buffer.ydisp;\n const line = this._bufferService.buffer.lines.get(row);\n const joinedRanges = joinerRegistry ? joinerRegistry.getJoinedCharacters(row) : [];\n for (let x = 0; x < this._bufferService.cols; x++) {\n line!.loadCell(x, this._workCell);\n let cell = this._workCell;\n\n // If true, indicates that the current character(s) to draw were joined.\n let isJoined = false;\n let lastCharX = x;\n\n // The character to the left is a wide character, drawing is owned by\n // the char at x-1\n if (cell.getWidth() === 0) {\n continue;\n }\n\n // Process any joined character ranges as needed. Because of how the\n // ranges are produced, we know that they are valid for the characters\n // and attributes of our input.\n if (joinedRanges.length > 0 && x === joinedRanges[0][0]) {\n isJoined = true;\n const range = joinedRanges.shift()!;\n\n // We already know the exact start and end column of the joined range,\n // so we get the string and width representing it directly\n\n cell = new JoinedCellData(\n this._workCell,\n line!.translateToString(true, range[0], range[1]),\n range[1] - range[0]\n );\n\n // Skip over the cells occupied by this range in the loop\n lastCharX = range[1] - 1;\n }\n\n // If the character is an overlapping char and the character to the\n // right is a space, take ownership of the cell to the right. We skip\n // this check for joined characters because their rendering likely won't\n // yield the same result as rendering the last character individually.\n if (!isJoined && this._isOverlapping(cell)) {\n // If the character is overlapping, we want to force a re-render on every\n // frame. This is specifically to work around the case where two\n // overlaping chars `a` and `b` are adjacent, the cursor is moved to b and a\n // space is added. Without this, the first half of `b` would never\n // get removed, and `a` would not re-render because it thinks it's\n // already in the correct state.\n // this._state.cache[x][y] = OVERLAP_OWNED_CHAR_DATA;\n if (lastCharX < line!.length - 1 && line!.getCodePoint(lastCharX + 1) === NULL_CELL_CODE) {\n // patch width to 2\n cell.content &= ~Content.WIDTH_MASK;\n cell.content |= 2 << Content.WIDTH_SHIFT;\n // this._clearChar(x + 1, y);\n // The overlapping char's char data will force a clear and render when the\n // overlapping char is no longer to the left of the character and also when\n // the space changes to another character.\n // this._state.cache[x + 1][y] = OVERLAP_OWNED_CHAR_DATA;\n }\n }\n\n callback(\n cell,\n x,\n y\n );\n\n x = lastCharX;\n }\n }\n }\n\n /**\n * Draws the background for a specified range of columns. Tries to batch adjacent cells of the\n * same color together to reduce draw calls.\n */\n private _drawBackground(firstRow: number, lastRow: number): void {\n const ctx = this._ctx;\n const cols = this._bufferService.cols;\n let startX: number = 0;\n let startY: number = 0;\n let prevFillStyle: string | null = null;\n\n ctx.save();\n\n this._forEachCell(firstRow, lastRow, null, (cell, x, y) => {\n // libvte and xterm both draw the background (but not foreground) of invisible characters,\n // so we should too.\n let nextFillStyle = null; // null represents default background color\n\n if (cell.isInverse()) {\n if (cell.isFgDefault()) {\n nextFillStyle = this._colors.foreground.css;\n } else if (cell.isFgRGB()) {\n nextFillStyle = `rgb(${AttributeData.toColorRGB(cell.getFgColor()).join(',')})`;\n } else {\n nextFillStyle = this._colors.ansi[cell.getFgColor()].css;\n }\n } else if (cell.isBgRGB()) {\n nextFillStyle = `rgb(${AttributeData.toColorRGB(cell.getBgColor()).join(',')})`;\n } else if (cell.isBgPalette()) {\n nextFillStyle = this._colors.ansi[cell.getBgColor()].css;\n }\n\n if (prevFillStyle === null) {\n // This is either the first iteration, or the default background was set. Either way, we\n // don't need to draw anything.\n startX = x;\n startY = y;\n }\n\n if (y !== startY) {\n // our row changed, draw the previous row\n ctx.fillStyle = prevFillStyle ? prevFillStyle : '';\n this._fillCells(startX, startY, cols - startX, 1);\n startX = x;\n startY = y;\n } else if (prevFillStyle !== nextFillStyle) {\n // our color changed, draw the previous characters in this row\n ctx.fillStyle = prevFillStyle ? prevFillStyle : '';\n this._fillCells(startX, startY, x - startX, 1);\n startX = x;\n startY = y;\n }\n\n prevFillStyle = nextFillStyle;\n });\n\n // flush the last color we encountered\n if (prevFillStyle !== null) {\n ctx.fillStyle = prevFillStyle;\n this._fillCells(startX, startY, cols - startX, 1);\n }\n\n ctx.restore();\n }\n\n private _drawForeground(firstRow: number, lastRow: number): void {\n this._forEachCell(firstRow, lastRow, this._characterJoinerRegistry, (cell, x, y) => {\n if (cell.isInvisible()) {\n return;\n }\n this._drawChars(cell, x, y);\n if (cell.isUnderline()) {\n this._ctx.save();\n\n if (cell.isInverse()) {\n if (cell.isBgDefault()) {\n this._ctx.fillStyle = this._colors.background.css;\n } else if (cell.isBgRGB()) {\n this._ctx.fillStyle = `rgb(${AttributeData.toColorRGB(cell.getBgColor()).join(',')})`;\n } else {\n let bg = cell.getBgColor();\n if (this._optionsService.options.drawBoldTextInBrightColors && cell.isBold() && bg < 8) {\n bg += 8;\n }\n this._ctx.fillStyle = this._colors.ansi[bg].css;\n }\n } else {\n if (cell.isFgDefault()) {\n this._ctx.fillStyle = this._colors.foreground.css;\n } else if (cell.isFgRGB()) {\n this._ctx.fillStyle = `rgb(${AttributeData.toColorRGB(cell.getFgColor()).join(',')})`;\n } else {\n let fg = cell.getFgColor();\n if (this._optionsService.options.drawBoldTextInBrightColors && cell.isBold() && fg < 8) {\n fg += 8;\n }\n this._ctx.fillStyle = this._colors.ansi[fg].css;\n }\n }\n\n this._fillBottomLineAtCells(x, y, cell.getWidth());\n this._ctx.restore();\n }\n });\n }\n\n public onGridChanged(firstRow: number, lastRow: number): void {\n // Resize has not been called yet\n if (this._state.cache.length === 0) {\n return;\n }\n\n if (this._charAtlas) {\n this._charAtlas.beginFrame();\n }\n\n this._clearCells(0, firstRow, this._bufferService.cols, lastRow - firstRow + 1);\n this._drawBackground(firstRow, lastRow);\n this._drawForeground(firstRow, lastRow);\n }\n\n public onOptionsChanged(): void {\n this._setTransparency(this._optionsService.options.allowTransparency);\n }\n\n /**\n * Whether a character is overlapping to the next cell.\n */\n private _isOverlapping(cell: ICellData): boolean {\n // Only single cell characters can be overlapping, rendering issues can\n // occur without this check\n if (cell.getWidth() !== 1) {\n return false;\n }\n\n // We assume that any ascii character will not overlap\n if (cell.getCode() < 256) {\n return false;\n }\n\n const chars = cell.getChars();\n\n // Deliver from cache if available\n if (this._characterOverlapCache.hasOwnProperty(chars)) {\n return this._characterOverlapCache[chars];\n }\n\n // Setup the font\n this._ctx.save();\n this._ctx.font = this._characterFont;\n\n // Measure the width of the character, but Math.floor it\n // because that is what the renderer does when it calculates\n // the character dimensions we are comparing against\n const overlaps = Math.floor(this._ctx.measureText(chars).width) > this._characterWidth;\n\n // Restore the original context\n this._ctx.restore();\n\n // Cache and return\n this._characterOverlapCache[chars] = overlaps;\n return overlaps;\n }\n\n /**\n * Clear the charcater at the cell specified.\n * @param x The column of the char.\n * @param y The row of the char.\n */\n // private _clearChar(x: number, y: number): void {\n // let colsToClear = 1;\n // // Clear the adjacent character if it was wide\n // const state = this._state.cache[x][y];\n // if (state && state[CHAR_DATA_WIDTH_INDEX] === 2) {\n // colsToClear = 2;\n // }\n // this.clearCells(x, y, colsToClear, 1);\n // }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nexport class GridCache<T> {\n public cache: (T | undefined)[][];\n\n public constructor() {\n this.cache = [];\n }\n\n public resize(width: number, height: number): void {\n for (let x = 0; x < width; x++) {\n if (this.cache.length <= x) {\n this.cache.push([]);\n }\n for (let y = this.cache[x].length; y < height; y++) {\n this.cache[x].push(undefined);\n }\n this.cache[x].length = height;\n }\n this.cache.length = width;\n }\n\n public clear(): void {\n for (let x = 0; x < this.cache.length; x++) {\n for (let y = 0; y < this.cache[x].length; y++) {\n this.cache[x][y] = undefined;\n }\n }\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { DIM_OPACITY, INVERTED_DEFAULT_COLOR } from 'browser/renderer/atlas/Constants';\nimport { IGlyphIdentifier, ICharAtlasConfig } from 'browser/renderer/atlas/Types';\nimport { BaseCharAtlas } from 'browser/renderer/atlas/BaseCharAtlas';\nimport { DEFAULT_ANSI_COLORS } from 'browser/ColorManager';\nimport { LRUMap } from 'browser/renderer/atlas/LRUMap';\nimport { isFirefox, isSafari } from 'common/Platform';\nimport { IColor } from 'browser/Types';\nimport { throwIfFalsy } from 'browser/renderer/RendererUtils';\nimport { opaque } from 'browser/Color';\n\n// In practice we're probably never going to exhaust a texture this large. For debugging purposes,\n// however, it can be useful to set this to a really tiny value, to verify that LRU eviction works.\nconst TEXTURE_WIDTH = 1024;\nconst TEXTURE_HEIGHT = 1024;\n\nconst TRANSPARENT_COLOR = {\n css: 'rgba(0, 0, 0, 0)',\n rgba: 0\n};\n\n// Drawing to the cache is expensive: If we have to draw more than this number of glyphs to the\n// cache in a single frame, give up on trying to cache anything else, and try to finish the current\n// frame ASAP.\n//\n// This helps to limit the amount of damage a program can do when it would otherwise thrash the\n// cache.\nconst FRAME_CACHE_DRAW_LIMIT = 100;\n\n/**\n * The number of milliseconds to wait before generating the ImageBitmap, this is to debounce/batch\n * the operation as window.createImageBitmap is asynchronous.\n */\nconst GLYPH_BITMAP_COMMIT_DELAY = 100;\n\ninterface IGlyphCacheValue {\n index: number;\n isEmpty: boolean;\n inBitmap: boolean;\n}\n\nexport function getGlyphCacheKey(glyph: IGlyphIdentifier): number {\n // Note that this only returns a valid key when code < 256\n // Layout:\n // 0b00000000000000000000000000000001: italic (1)\n // 0b00000000000000000000000000000010: dim (1)\n // 0b00000000000000000000000000000100: bold (1)\n // 0b00000000000000000000111111111000: fg (9)\n // 0b00000000000111111111000000000000: bg (9)\n // 0b00011111111000000000000000000000: code (8)\n // 0b11100000000000000000000000000000: unused (3)\n return glyph.code << 21 | glyph.bg << 12 | glyph.fg << 3 | (glyph.bold ? 0 : 4) + (glyph.dim ? 0 : 2) + (glyph.italic ? 0 : 1);\n}\n\nexport class DynamicCharAtlas extends BaseCharAtlas {\n // An ordered map that we're using to keep track of where each glyph is in the atlas texture.\n // It's ordered so that we can determine when to remove the old entries.\n private _cacheMap: LRUMap<IGlyphCacheValue>;\n\n // The texture that the atlas is drawn to\n private _cacheCanvas: HTMLCanvasElement;\n private _cacheCtx: CanvasRenderingContext2D;\n\n // A temporary context that glyphs are drawn to before being transfered to the atlas.\n private _tmpCtx: CanvasRenderingContext2D;\n\n // The number of characters stored in the atlas by width/height\n private _width: number;\n private _height: number;\n\n private _drawToCacheCount: number = 0;\n\n // An array of glyph keys that are waiting on the bitmap to be generated.\n private _glyphsWaitingOnBitmap: IGlyphCacheValue[] = [];\n\n // The timeout that is used to batch bitmap generation so it's not requested for every new glyph.\n private _bitmapCommitTimeout: number | null = null;\n\n // The bitmap to draw from, this is much faster on other browsers than others.\n private _bitmap: ImageBitmap | null = null;\n\n constructor(document: Document, private _config: ICharAtlasConfig) {\n super();\n this._cacheCanvas = document.createElement('canvas');\n this._cacheCanvas.width = TEXTURE_WIDTH;\n this._cacheCanvas.height = TEXTURE_HEIGHT;\n // The canvas needs alpha because we use clearColor to convert the background color to alpha.\n // It might also contain some characters with transparent backgrounds if allowTransparency is\n // set.\n this._cacheCtx = throwIfFalsy(this._cacheCanvas.getContext('2d', {alpha: true}));\n\n const tmpCanvas = document.createElement('canvas');\n tmpCanvas.width = this._config.scaledCharWidth;\n tmpCanvas.height = this._config.scaledCharHeight;\n this._tmpCtx = throwIfFalsy(tmpCanvas.getContext('2d', {alpha: this._config.allowTransparency}));\n\n this._width = Math.floor(TEXTURE_WIDTH / this._config.scaledCharWidth);\n this._height = Math.floor(TEXTURE_HEIGHT / this._config.scaledCharHeight);\n const capacity = this._width * this._height;\n this._cacheMap = new LRUMap(capacity);\n this._cacheMap.prealloc(capacity);\n\n // This is useful for debugging\n // document.body.appendChild(this._cacheCanvas);\n }\n\n public dispose(): void {\n if (this._bitmapCommitTimeout !== null) {\n window.clearTimeout(this._bitmapCommitTimeout);\n this._bitmapCommitTimeout = null;\n }\n }\n\n public beginFrame(): void {\n this._drawToCacheCount = 0;\n }\n\n public draw(\n ctx: CanvasRenderingContext2D,\n glyph: IGlyphIdentifier,\n x: number,\n y: number\n ): boolean {\n // Space is always an empty cell, special case this as it's so common\n if (glyph.code === 32) {\n return true;\n }\n\n // Exit early for uncachable glyphs\n if (!this._canCache(glyph)) {\n return false;\n }\n\n const glyphKey = getGlyphCacheKey(glyph);\n const cacheValue = this._cacheMap.get(glyphKey);\n if (cacheValue !== null && cacheValue !== undefined) {\n this._drawFromCache(ctx, cacheValue, x, y);\n return true;\n } else if (this._drawToCacheCount < FRAME_CACHE_DRAW_LIMIT) {\n let index;\n if (this._cacheMap.size < this._cacheMap.capacity) {\n index = this._cacheMap.size;\n } else {\n // we're out of space, so our call to set will delete this item\n index = this._cacheMap.peek()!.index;\n }\n const cacheValue = this._drawToCache(glyph, index);\n this._cacheMap.set(glyphKey, cacheValue);\n this._drawFromCache(ctx, cacheValue, x, y);\n return true;\n }\n return false;\n }\n\n private _canCache(glyph: IGlyphIdentifier): boolean {\n // Only cache ascii and extended characters for now, to be safe. In the future, we could do\n // something more complicated to determine the expected width of a character.\n //\n // If we switch the renderer over to webgl at some point, we may be able to use blending modes\n // to draw overlapping glyphs from the atlas:\n // https://github.com/servo/webrender/issues/464#issuecomment-255632875\n // https://webglfundamentals.org/webgl/lessons/webgl-text-texture.html\n return glyph.code < 256;\n }\n\n private _toCoordinateX(index: number): number {\n return (index % this._width) * this._config.scaledCharWidth;\n }\n\n private _toCoordinateY(index: number): number {\n return Math.floor(index / this._width) * this._config.scaledCharHeight;\n }\n\n private _drawFromCache(\n ctx: CanvasRenderingContext2D,\n cacheValue: IGlyphCacheValue,\n x: number,\n y: number\n ): void {\n // We don't actually need to do anything if this is whitespace.\n if (cacheValue.isEmpty) {\n return;\n }\n const cacheX = this._toCoordinateX(cacheValue.index);\n const cacheY = this._toCoordinateY(cacheValue.index);\n ctx.drawImage(\n cacheValue.inBitmap ? this._bitmap! : this._cacheCanvas,\n cacheX,\n cacheY,\n this._config.scaledCharWidth,\n this._config.scaledCharHeight,\n x,\n y,\n this._config.scaledCharWidth,\n this._config.scaledCharHeight\n );\n }\n\n private _getColorFromAnsiIndex(idx: number): IColor {\n if (idx < this._config.colors.ansi.length) {\n return this._config.colors.ansi[idx];\n }\n return DEFAULT_ANSI_COLORS[idx];\n }\n\n private _getBackgroundColor(glyph: IGlyphIdentifier): IColor {\n if (this._config.allowTransparency) {\n // The background color might have some transparency, so we need to render it as fully\n // transparent in the atlas. Otherwise we'd end up drawing the transparent background twice\n // around the anti-aliased edges of the glyph, and it would look too dark.\n return TRANSPARENT_COLOR;\n } else if (glyph.bg === INVERTED_DEFAULT_COLOR) {\n return this._config.colors.foreground;\n } else if (glyph.bg < 256) {\n return this._getColorFromAnsiIndex(glyph.bg);\n }\n return this._config.colors.background;\n }\n\n private _getForegroundColor(glyph: IGlyphIdentifier): IColor {\n if (glyph.fg === INVERTED_DEFAULT_COLOR) {\n return opaque(this._config.colors.background);\n } else if (glyph.fg < 256) {\n // 256 color support\n return this._getColorFromAnsiIndex(glyph.fg);\n }\n return this._config.colors.foreground;\n }\n\n // TODO: We do this (or something similar) in multiple places. We should split this off\n // into a shared function.\n private _drawToCache(glyph: IGlyphIdentifier, index: number): IGlyphCacheValue {\n this._drawToCacheCount++;\n\n this._tmpCtx.save();\n\n // draw the background\n const backgroundColor = this._getBackgroundColor(glyph);\n // Use a 'copy' composite operation to clear any existing glyph out of _tmpCtxWithAlpha, regardless of\n // transparency in backgroundColor\n this._tmpCtx.globalCompositeOperation = 'copy';\n this._tmpCtx.fillStyle = backgroundColor.css;\n this._tmpCtx.fillRect(0, 0, this._config.scaledCharWidth, this._config.scaledCharHeight);\n this._tmpCtx.globalCompositeOperation = 'source-over';\n\n // draw the foreground/glyph\n const fontWeight = glyph.bold ? this._config.fontWeightBold : this._config.fontWeight;\n const fontStyle = glyph.italic ? 'italic' : '';\n this._tmpCtx.font =\n `${fontStyle} ${fontWeight} ${this._config.fontSize * this._config.devicePixelRatio}px ${this._config.fontFamily}`;\n this._tmpCtx.textBaseline = 'middle';\n\n this._tmpCtx.fillStyle = this._getForegroundColor(glyph).css;\n\n // Apply alpha to dim the character\n if (glyph.dim) {\n this._tmpCtx.globalAlpha = DIM_OPACITY;\n }\n // Draw the character\n this._tmpCtx.fillText(glyph.chars, 0, this._config.scaledCharHeight / 2);\n this._tmpCtx.restore();\n\n // clear the background from the character to avoid issues with drawing over the previous\n // character if it extends past it's bounds\n const imageData = this._tmpCtx.getImageData(\n 0, 0, this._config.scaledCharWidth, this._config.scaledCharHeight\n );\n let isEmpty = false;\n if (!this._config.allowTransparency) {\n isEmpty = clearColor(imageData, backgroundColor);\n }\n\n // copy the data from imageData to _cacheCanvas\n const x = this._toCoordinateX(index);\n const y = this._toCoordinateY(index);\n // putImageData doesn't do any blending, so it will overwrite any existing cache entry for us\n this._cacheCtx.putImageData(imageData, x, y);\n\n // Add the glyph and queue it to the bitmap (if the browser supports it)\n const cacheValue = {\n index,\n isEmpty,\n inBitmap: false\n };\n this._addGlyphToBitmap(cacheValue);\n\n return cacheValue;\n }\n\n private _addGlyphToBitmap(cacheValue: IGlyphCacheValue): void {\n // Support is patchy for createImageBitmap at the moment, pass a canvas back\n // if support is lacking as drawImage works there too. Firefox is also\n // included here as ImageBitmap appears both buggy and has horrible\n // performance (tested on v55).\n if (!('createImageBitmap' in window) || isFirefox || isSafari) {\n return;\n }\n\n // Add the glyph to the queue\n this._glyphsWaitingOnBitmap.push(cacheValue);\n\n // Check if bitmap generation timeout already exists\n if (this._bitmapCommitTimeout !== null) {\n return;\n }\n\n this._bitmapCommitTimeout = window.setTimeout(() => this._generateBitmap(), GLYPH_BITMAP_COMMIT_DELAY);\n }\n\n private _generateBitmap(): void {\n const glyphsMovingToBitmap = this._glyphsWaitingOnBitmap;\n this._glyphsWaitingOnBitmap = [];\n window.createImageBitmap(this._cacheCanvas).then(bitmap => {\n // Set bitmap\n this._bitmap = bitmap;\n\n // Mark all new glyphs as in bitmap, excluding glyphs that came in after\n // the bitmap was requested\n for (let i = 0; i < glyphsMovingToBitmap.length; i++) {\n const value = glyphsMovingToBitmap[i];\n // It doesn't matter if the value was already evicted, it will be\n // released from memory after this block if so.\n value.inBitmap = true;\n }\n });\n this._bitmapCommitTimeout = null;\n }\n}\n\n// This is used for debugging the renderer, just swap out `new DynamicCharAtlas` with\n// `new NoneCharAtlas`.\nexport class NoneCharAtlas extends BaseCharAtlas {\n constructor(document: Document, config: ICharAtlasConfig) {\n super();\n }\n\n public draw(\n ctx: CanvasRenderingContext2D,\n glyph: IGlyphIdentifier,\n x: number,\n y: number\n ): boolean {\n return false;\n }\n}\n\n/**\n * Makes a partiicular rgb color in an ImageData completely transparent.\n * @returns True if the result is \"empty\", meaning all pixels are fully transparent.\n */\nfunction clearColor(imageData: ImageData, color: IColor): boolean {\n let isEmpty = true;\n const r = color.rgba >>> 24;\n const g = color.rgba >>> 16 & 0xFF;\n const b = color.rgba >>> 8 & 0xFF;\n for (let offset = 0; offset < imageData.data.length; offset += 4) {\n if (imageData.data[offset] === r &&\n imageData.data[offset + 1] === g &&\n imageData.data[offset + 2] === b) {\n imageData.data[offset + 3] = 0;\n } else {\n isEmpty = false;\n }\n }\n return isEmpty;\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IGlyphIdentifier } from 'browser/renderer/atlas/Types';\nimport { IDisposable } from 'common/Types';\n\nexport abstract class BaseCharAtlas implements IDisposable {\n private _didWarmUp: boolean = false;\n\n public dispose(): void { }\n\n /**\n * Perform any work needed to warm the cache before it can be used. May be called multiple times.\n * Implement _doWarmUp instead if you only want to get called once.\n */\n public warmUp(): void {\n if (!this._didWarmUp) {\n this._doWarmUp();\n this._didWarmUp = true;\n }\n }\n\n /**\n * Perform any work needed to warm the cache before it can be used. Used by the default\n * implementation of warmUp(), and will only be called once.\n */\n protected _doWarmUp(): void { }\n\n /**\n * Called when we start drawing a new frame.\n *\n * TODO: We rely on this getting called by TextRenderLayer. This should really be called by\n * Renderer instead, but we need to make Renderer the source-of-truth for the char atlas, instead\n * of BaseRenderLayer.\n */\n public beginFrame(): void { }\n\n /**\n * May be called before warmUp finishes, however it is okay for the implementation to\n * do nothing and return false in that case.\n *\n * @param ctx Where to draw the character onto.\n * @param glyph Information about what to draw\n * @param x The position on the context to start drawing at\n * @param y The position on the context to start drawing at\n * @returns The success state. True if we drew the character.\n */\n public abstract draw(\n ctx: CanvasRenderingContext2D,\n glyph: IGlyphIdentifier,\n x: number,\n y: number\n ): boolean;\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IColor, IColorContrastCache } from 'browser/Types';\n\nexport class ColorContrastCache implements IColorContrastCache {\n private _color: { [bg: number]: { [fg: number]: IColor | null | undefined } | undefined } = {};\n private _rgba: { [bg: number]: { [fg: number]: string | null | undefined } | undefined } = {};\n\n public clear(): void {\n this._color = {};\n this._rgba = {};\n }\n\n public setCss(bg: number, fg: number, value: string | null): void {\n if (!this._rgba[bg]) {\n this._rgba[bg] = {};\n }\n this._rgba[bg]![fg] = value;\n }\n\n public getCss(bg: number, fg: number): string | null | undefined {\n return this._rgba[bg] ? this._rgba[bg]![fg] : undefined;\n }\n\n public setColor(bg: number, fg: number, value: IColor | null): void {\n if (!this._color[bg]) {\n this._color[bg] = {};\n }\n this._color[bg]![fg] = value;\n }\n\n public getColor(bg: number, fg: number): IColor | null | undefined {\n return this._color[bg] ? this._color[bg]![fg] : undefined;\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\ninterface ILinkedListNode<T> {\n prev: ILinkedListNode<T> | null;\n next: ILinkedListNode<T> | null;\n key: number | null;\n value: T | null;\n}\n\nexport class LRUMap<T> {\n private _map: { [key: number]: ILinkedListNode<T> } = {};\n private _head: ILinkedListNode<T> | null = null;\n private _tail: ILinkedListNode<T> | null = null;\n private _nodePool: ILinkedListNode<T>[] = [];\n public size: number = 0;\n\n constructor(public capacity: number) { }\n\n private _unlinkNode(node: ILinkedListNode<T>): void {\n const prev = node.prev;\n const next = node.next;\n if (node === this._head) {\n this._head = next;\n }\n if (node === this._tail) {\n this._tail = prev;\n }\n if (prev !== null) {\n prev.next = next;\n }\n if (next !== null) {\n next.prev = prev;\n }\n }\n\n private _appendNode(node: ILinkedListNode<T>): void {\n const tail = this._tail;\n if (tail !== null) {\n tail.next = node;\n }\n node.prev = tail;\n node.next = null;\n this._tail = node;\n if (this._head === null) {\n this._head = node;\n }\n }\n\n /**\n * Preallocate a bunch of linked-list nodes. Allocating these nodes ahead of time means that\n * they're more likely to live next to each other in memory, which seems to improve performance.\n *\n * Each empty object only consumes about 60 bytes of memory, so this is pretty cheap, even for\n * large maps.\n */\n public prealloc(count: number): void {\n const nodePool = this._nodePool;\n for (let i = 0; i < count; i++) {\n nodePool.push({\n prev: null,\n next: null,\n key: null,\n value: null\n });\n }\n }\n\n public get(key: number): T | null {\n // This is unsafe: We're assuming our keyspace doesn't overlap with Object.prototype. However,\n // it's faster than calling hasOwnProperty, and in our case, it would never overlap.\n const node = this._map[key];\n if (node !== undefined) {\n this._unlinkNode(node);\n this._appendNode(node);\n return node.value;\n }\n return null;\n }\n\n /**\n * Gets a value from a key without marking it as the most recently used item.\n */\n public peekValue(key: number): T | null {\n const node = this._map[key];\n if (node !== undefined) {\n return node.value;\n }\n return null;\n }\n\n public peek(): T | null {\n const head = this._head;\n return head === null ? null : head.value;\n }\n\n public set(key: number, value: T): void {\n // This is unsafe: See note above.\n let node = this._map[key];\n if (node !== undefined) {\n // already exists, we just need to mutate it and move it to the end of the list\n node = this._map[key];\n this._unlinkNode(node);\n node.value = value;\n } else if (this.size >= this.capacity) {\n // we're out of space: recycle the head node, move it to the tail\n node = this._head!;\n this._unlinkNode(node);\n delete this._map[node.key!];\n node.key = key;\n node.value = value;\n this._map[key] = node;\n } else {\n // make a new element\n const nodePool = this._nodePool;\n if (nodePool.length > 0) {\n // use a preallocated node if we can\n node = nodePool.pop()!;\n node.key = key;\n node.value = value;\n } else {\n node = {\n prev: null,\n next: null,\n key,\n value\n };\n }\n this._map[key] = node;\n this.size++;\n }\n this._appendNode(node);\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IRenderDimensions } from 'browser/renderer/Types';\nimport { BaseRenderLayer } from 'browser/renderer/BaseRenderLayer';\nimport { IColorSet } from 'browser/Types';\nimport { IBufferService, IOptionsService } from 'common/services/Services';\n\ninterface ISelectionState {\n start?: [number, number];\n end?: [number, number];\n columnSelectMode?: boolean;\n ydisp?: number;\n}\n\nexport class SelectionRenderLayer extends BaseRenderLayer {\n private _state!: ISelectionState;\n\n constructor(\n container: HTMLElement,\n zIndex: number,\n colors: IColorSet,\n rendererId: number,\n readonly bufferService: IBufferService,\n readonly optionsService: IOptionsService\n ) {\n super(container, 'selection', zIndex, true, colors, rendererId, bufferService, optionsService);\n this._clearState();\n }\n\n private _clearState(): void {\n this._state = {\n start: undefined,\n end: undefined,\n columnSelectMode: undefined,\n ydisp: undefined\n };\n }\n\n public resize(dim: IRenderDimensions): void {\n super.resize(dim);\n // Resizing the canvas discards the contents of the canvas so clear state\n this._clearState();\n }\n\n public reset(): void {\n if (this._state.start && this._state.end) {\n this._clearState();\n this._clearAll();\n }\n }\n\n public onSelectionChanged(start: [number, number], end: [number, number], columnSelectMode: boolean): void {\n // Selection has not changed\n if (!this._didStateChange(start, end, columnSelectMode, this._bufferService.buffer.ydisp)) {\n return;\n }\n\n // Remove all selections\n this._clearAll();\n\n // Selection does not exist\n if (!start || !end) {\n this._clearState();\n return;\n }\n\n // Translate from buffer position to viewport position\n const viewportStartRow = start[1] - this._bufferService.buffer.ydisp;\n const viewportEndRow = end[1] - this._bufferService.buffer.ydisp;\n const viewportCappedStartRow = Math.max(viewportStartRow, 0);\n const viewportCappedEndRow = Math.min(viewportEndRow, this._bufferService.rows - 1);\n\n // No need to draw the selection\n if (viewportCappedStartRow >= this._bufferService.rows || viewportCappedEndRow < 0) {\n return;\n }\n\n this._ctx.fillStyle = this._colors.selection.css;\n\n if (columnSelectMode) {\n const startCol = start[0];\n const width = end[0] - startCol;\n const height = viewportCappedEndRow - viewportCappedStartRow + 1;\n this._fillCells(startCol, viewportCappedStartRow, width, height);\n } else {\n // Draw first row\n const startCol = viewportStartRow === viewportCappedStartRow ? start[0] : 0;\n const startRowEndCol = viewportCappedStartRow === viewportCappedEndRow ? end[0] : this._bufferService.cols;\n this._fillCells(startCol, viewportCappedStartRow, startRowEndCol - startCol, 1);\n\n // Draw middle rows\n const middleRowsCount = Math.max(viewportCappedEndRow - viewportCappedStartRow - 1, 0);\n this._fillCells(0, viewportCappedStartRow + 1, this._bufferService.cols, middleRowsCount);\n\n // Draw final row\n if (viewportCappedStartRow !== viewportCappedEndRow) {\n // Only draw viewportEndRow if it's not the same as viewportStartRow\n const endCol = viewportEndRow === viewportCappedEndRow ? end[0] : this._bufferService.cols;\n this._fillCells(0, viewportCappedEndRow, endCol, 1);\n }\n }\n\n // Save state for next render\n this._state.start = [start[0], start[1]];\n this._state.end = [end[0], end[1]];\n this._state.columnSelectMode = columnSelectMode;\n this._state.ydisp = this._bufferService.buffer.ydisp;\n }\n\n private _didStateChange(start: [number, number], end: [number, number], columnSelectMode: boolean, ydisp: number): boolean {\n return !this._areCoordinatesEqual(start, this._state.start) ||\n !this._areCoordinatesEqual(end, this._state.end) ||\n columnSelectMode !== this._state.columnSelectMode ||\n ydisp !== this._state.ydisp;\n }\n\n private _areCoordinatesEqual(coord1: [number, number] | undefined, coord2: [number, number] | undefined): boolean {\n if (!coord1 || !coord2) {\n return false;\n }\n\n return coord1[0] === coord2[0] && coord1[1] === coord2[1];\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IRenderDimensions, IRequestRefreshRowsEvent } from 'browser/renderer/Types';\nimport { BaseRenderLayer } from 'browser/renderer/BaseRenderLayer';\nimport { ICellData } from 'common/Types';\nimport { CellData } from 'common/buffer/CellData';\nimport { IColorSet } from 'browser/Types';\nimport { IBufferService, IOptionsService, ICoreService } from 'common/services/Services';\nimport { IEventEmitter } from 'common/EventEmitter';\nimport { ICoreBrowserService } from 'browser/services/Services';\n\ninterface ICursorState {\n x: number;\n y: number;\n isFocused: boolean;\n style: string;\n width: number;\n}\n\n/**\n * The time between cursor blinks.\n */\nconst BLINK_INTERVAL = 600;\n\nexport class CursorRenderLayer extends BaseRenderLayer {\n private _state: ICursorState;\n private _cursorRenderers: {[key: string]: (x: number, y: number, cell: ICellData) => void};\n private _cursorBlinkStateManager: CursorBlinkStateManager | undefined;\n private _cell: ICellData = new CellData();\n\n constructor(\n container: HTMLElement,\n zIndex: number,\n colors: IColorSet,\n rendererId: number,\n private _onRequestRefreshRowsEvent: IEventEmitter<IRequestRefreshRowsEvent>,\n readonly bufferService: IBufferService,\n readonly optionsService: IOptionsService,\n private readonly _coreService: ICoreService,\n private readonly _coreBrowserService: ICoreBrowserService\n ) {\n super(container, 'cursor', zIndex, true, colors, rendererId, bufferService, optionsService);\n this._state = {\n x: 0,\n y: 0,\n isFocused: false,\n style: '',\n width: 0\n };\n this._cursorRenderers = {\n 'bar': this._renderBarCursor.bind(this),\n 'block': this._renderBlockCursor.bind(this),\n 'underline': this._renderUnderlineCursor.bind(this)\n };\n // TODO: Consider initial options? Maybe onOptionsChanged should be called at the end of open?\n }\n\n public resize(dim: IRenderDimensions): void {\n super.resize(dim);\n // Resizing the canvas discards the contents of the canvas so clear state\n this._state = {\n x: 0,\n y: 0,\n isFocused: false,\n style: '',\n width: 0\n };\n }\n\n public reset(): void {\n this._clearCursor();\n if (this._cursorBlinkStateManager) {\n this._cursorBlinkStateManager.dispose();\n this._cursorBlinkStateManager = undefined;\n this.onOptionsChanged();\n }\n }\n\n public onBlur(): void {\n if (this._cursorBlinkStateManager) {\n this._cursorBlinkStateManager.pause();\n }\n this._onRequestRefreshRowsEvent.fire({ start: this._bufferService.buffer.y, end: this._bufferService.buffer.y });\n }\n\n public onFocus(): void {\n if (this._cursorBlinkStateManager) {\n this._cursorBlinkStateManager.resume();\n } else {\n this._onRequestRefreshRowsEvent.fire({ start: this._bufferService.buffer.y, end: this._bufferService.buffer.y });\n }\n }\n\n public onOptionsChanged(): void {\n if (this._optionsService.options.cursorBlink) {\n if (!this._cursorBlinkStateManager) {\n this._cursorBlinkStateManager = new CursorBlinkStateManager(this._coreBrowserService.isFocused, () => {\n this._render(true);\n });\n }\n } else {\n this._cursorBlinkStateManager?.dispose();\n this._cursorBlinkStateManager = undefined;\n }\n // Request a refresh from the terminal as management of rendering is being\n // moved back to the terminal\n this._onRequestRefreshRowsEvent.fire({ start: this._bufferService.buffer.y, end: this._bufferService.buffer.y });\n }\n\n public onCursorMove(): void {\n if (this._cursorBlinkStateManager) {\n this._cursorBlinkStateManager.restartBlinkAnimation();\n }\n }\n\n public onGridChanged(startRow: number, endRow: number): void {\n if (!this._cursorBlinkStateManager || this._cursorBlinkStateManager.isPaused) {\n this._render(false);\n } else {\n this._cursorBlinkStateManager.restartBlinkAnimation();\n }\n }\n\n private _render(triggeredByAnimationFrame: boolean): void {\n // Don't draw the cursor if it's hidden\n if (!this._coreService.isCursorInitialized || this._coreService.isCursorHidden) {\n this._clearCursor();\n return;\n }\n\n const cursorY = this._bufferService.buffer.ybase + this._bufferService.buffer.y;\n const viewportRelativeCursorY = cursorY - this._bufferService.buffer.ydisp;\n\n // Don't draw the cursor if it's off-screen\n if (viewportRelativeCursorY < 0 || viewportRelativeCursorY >= this._bufferService.rows) {\n this._clearCursor();\n return;\n }\n\n this._bufferService.buffer.lines.get(cursorY)!.loadCell(this._bufferService.buffer.x, this._cell);\n if (this._cell.content === undefined) {\n return;\n }\n\n if (!this._coreBrowserService.isFocused) {\n this._clearCursor();\n this._ctx.save();\n this._ctx.fillStyle = this._colors.cursor.css;\n const cursorStyle = this._optionsService.options.cursorStyle;\n if (cursorStyle && cursorStyle !== 'block') {\n this._cursorRenderers[cursorStyle](this._bufferService.buffer.x, viewportRelativeCursorY, this._cell);\n } else {\n this._renderBlurCursor(this._bufferService.buffer.x, viewportRelativeCursorY, this._cell);\n }\n this._ctx.restore();\n this._state.x = this._bufferService.buffer.x;\n this._state.y = viewportRelativeCursorY;\n this._state.isFocused = false;\n this._state.style = cursorStyle;\n this._state.width = this._cell.getWidth();\n return;\n }\n\n // Don't draw the cursor if it's blinking\n if (this._cursorBlinkStateManager && !this._cursorBlinkStateManager.isCursorVisible) {\n this._clearCursor();\n return;\n }\n\n if (this._state) {\n // The cursor is already in the correct spot, don't redraw\n if (this._state.x === this._bufferService.buffer.x &&\n this._state.y === viewportRelativeCursorY &&\n this._state.isFocused === this._coreBrowserService.isFocused &&\n this._state.style === this._optionsService.options.cursorStyle &&\n this._state.width === this._cell.getWidth()) {\n return;\n }\n this._clearCursor();\n }\n\n this._ctx.save();\n this._cursorRenderers[this._optionsService.options.cursorStyle || 'block'](this._bufferService.buffer.x, viewportRelativeCursorY, this._cell);\n this._ctx.restore();\n\n this._state.x = this._bufferService.buffer.x;\n this._state.y = viewportRelativeCursorY;\n this._state.isFocused = false;\n this._state.style = this._optionsService.options.cursorStyle;\n this._state.width = this._cell.getWidth();\n }\n\n private _clearCursor(): void {\n if (this._state) {\n this._clearCells(this._state.x, this._state.y, this._state.width, 1);\n this._state = {\n x: 0,\n y: 0,\n isFocused: false,\n style: '',\n width: 0\n };\n }\n }\n\n private _renderBarCursor(x: number, y: number, cell: ICellData): void {\n this._ctx.save();\n this._ctx.fillStyle = this._colors.cursor.css;\n this._fillLeftLineAtCell(x, y);\n this._ctx.restore();\n }\n\n private _renderBlockCursor(x: number, y: number, cell: ICellData): void {\n this._ctx.save();\n this._ctx.fillStyle = this._colors.cursor.css;\n this._fillCells(x, y, cell.getWidth(), 1);\n this._ctx.fillStyle = this._colors.cursorAccent.css;\n this._fillCharTrueColor(cell, x, y);\n this._ctx.restore();\n }\n\n private _renderUnderlineCursor(x: number, y: number, cell: ICellData): void {\n this._ctx.save();\n this._ctx.fillStyle = this._colors.cursor.css;\n this._fillBottomLineAtCells(x, y);\n this._ctx.restore();\n }\n\n private _renderBlurCursor(x: number, y: number, cell: ICellData): void {\n this._ctx.save();\n this._ctx.strokeStyle = this._colors.cursor.css;\n this._strokeRectAtCell(x, y, cell.getWidth(), 1);\n this._ctx.restore();\n }\n}\n\nclass CursorBlinkStateManager {\n public isCursorVisible: boolean;\n\n private _animationFrame: number | undefined;\n private _blinkStartTimeout: number | undefined;\n private _blinkInterval: number | undefined;\n\n /**\n * The time at which the animation frame was restarted, this is used on the\n * next render to restart the timers so they don't need to restart the timers\n * multiple times over a short period.\n */\n private _animationTimeRestarted: number | undefined;\n\n constructor(\n isFocused: boolean,\n private _renderCallback: () => void\n ) {\n this.isCursorVisible = true;\n if (isFocused) {\n this._restartInterval();\n }\n }\n\n public get isPaused(): boolean { return !(this._blinkStartTimeout || this._blinkInterval); }\n\n public dispose(): void {\n if (this._blinkInterval) {\n window.clearInterval(this._blinkInterval);\n this._blinkInterval = undefined;\n }\n if (this._blinkStartTimeout) {\n window.clearTimeout(this._blinkStartTimeout);\n this._blinkStartTimeout = undefined;\n }\n if (this._animationFrame) {\n window.cancelAnimationFrame(this._animationFrame);\n this._animationFrame = undefined;\n }\n }\n\n public restartBlinkAnimation(): void {\n if (this.isPaused) {\n return;\n }\n // Save a timestamp so that the restart can be done on the next interval\n this._animationTimeRestarted = Date.now();\n // Force a cursor render to ensure it's visible and in the correct position\n this.isCursorVisible = true;\n if (!this._animationFrame) {\n this._animationFrame = window.requestAnimationFrame(() => {\n this._renderCallback();\n this._animationFrame = undefined;\n });\n }\n }\n\n private _restartInterval(timeToStart: number = BLINK_INTERVAL): void {\n // Clear any existing interval\n if (this._blinkInterval) {\n window.clearInterval(this._blinkInterval);\n }\n\n // Setup the initial timeout which will hide the cursor, this is done before\n // the regular interval is setup in order to support restarting the blink\n // animation in a lightweight way (without thrashing clearInterval and\n // setInterval).\n this._blinkStartTimeout = <number><any>setTimeout(() => {\n // Check if another animation restart was requested while this was being\n // started\n if (this._animationTimeRestarted) {\n const time = BLINK_INTERVAL - (Date.now() - this._animationTimeRestarted);\n this._animationTimeRestarted = undefined;\n if (time > 0) {\n this._restartInterval(time);\n return;\n }\n }\n\n // Hide the cursor\n this.isCursorVisible = false;\n this._animationFrame = window.requestAnimationFrame(() => {\n this._renderCallback();\n this._animationFrame = undefined;\n });\n\n // Setup the blink interval\n this._blinkInterval = <number><any>setInterval(() => {\n // Adjust the animation time if it was restarted\n if (this._animationTimeRestarted) {\n // calc time diff\n // Make restart interval do a setTimeout initially?\n const time = BLINK_INTERVAL - (Date.now() - this._animationTimeRestarted);\n this._animationTimeRestarted = undefined;\n this._restartInterval(time);\n return;\n }\n\n // Invert visibility and render\n this.isCursorVisible = !this.isCursorVisible;\n this._animationFrame = window.requestAnimationFrame(() => {\n this._renderCallback();\n this._animationFrame = undefined;\n });\n }, BLINK_INTERVAL);\n }, timeToStart);\n }\n\n public pause(): void {\n this.isCursorVisible = true;\n if (this._blinkInterval) {\n window.clearInterval(this._blinkInterval);\n this._blinkInterval = undefined;\n }\n if (this._blinkStartTimeout) {\n window.clearTimeout(this._blinkStartTimeout);\n this._blinkStartTimeout = undefined;\n }\n if (this._animationFrame) {\n window.cancelAnimationFrame(this._animationFrame);\n this._animationFrame = undefined;\n }\n }\n\n public resume(): void {\n this._animationTimeRestarted = undefined;\n this._restartInterval();\n this.restartBlinkAnimation();\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IRenderDimensions } from 'browser/renderer/Types';\nimport { BaseRenderLayer } from './BaseRenderLayer';\nimport { INVERTED_DEFAULT_COLOR } from 'browser/renderer/atlas/Constants';\nimport { is256Color } from 'browser/renderer/atlas/CharAtlasUtils';\nimport { IColorSet, ILinkifierEvent, ILinkifier } from 'browser/Types';\nimport { IBufferService, IOptionsService } from 'common/services/Services';\n\nexport class LinkRenderLayer extends BaseRenderLayer {\n private _state: ILinkifierEvent | undefined;\n\n constructor(\n container: HTMLElement,\n zIndex: number,\n colors: IColorSet,\n rendererId: number,\n linkifier: ILinkifier,\n readonly bufferService: IBufferService,\n readonly optionsService: IOptionsService\n ) {\n super(container, 'link', zIndex, true, colors, rendererId, bufferService, optionsService);\n linkifier.onLinkHover(e => this._onLinkHover(e));\n linkifier.onLinkLeave(e => this._onLinkLeave(e));\n }\n\n public resize(dim: IRenderDimensions): void {\n super.resize(dim);\n // Resizing the canvas discards the contents of the canvas so clear state\n this._state = undefined;\n }\n\n public reset(): void {\n this._clearCurrentLink();\n }\n\n private _clearCurrentLink(): void {\n if (this._state) {\n this._clearCells(this._state.x1, this._state.y1, this._state.cols - this._state.x1, 1);\n const middleRowCount = this._state.y2 - this._state.y1 - 1;\n if (middleRowCount > 0) {\n this._clearCells(0, this._state.y1 + 1, this._state.cols, middleRowCount);\n }\n this._clearCells(0, this._state.y2, this._state.x2, 1);\n this._state = undefined;\n }\n }\n\n private _onLinkHover(e: ILinkifierEvent): void {\n if (e.fg === INVERTED_DEFAULT_COLOR) {\n this._ctx.fillStyle = this._colors.background.css;\n } else if (e.fg && is256Color(e.fg)) {\n // 256 color support\n this._ctx.fillStyle = this._colors.ansi[e.fg].css;\n } else {\n this._ctx.fillStyle = this._colors.foreground.css;\n }\n\n if (e.y1 === e.y2) {\n // Single line link\n this._fillBottomLineAtCells(e.x1, e.y1, e.x2 - e.x1);\n } else {\n // Multi-line link\n this._fillBottomLineAtCells(e.x1, e.y1, e.cols - e.x1);\n for (let y = e.y1 + 1; y < e.y2; y++) {\n this._fillBottomLineAtCells(0, y, e.cols);\n }\n this._fillBottomLineAtCells(0, e.y2, e.x2);\n }\n this._state = e;\n }\n\n private _onLinkLeave(e: ILinkifierEvent): void {\n this._clearCurrentLink();\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ILinkifierEvent, ILinkMatcher, LinkMatcherHandler, ILinkMatcherOptions, ILinkifier, IMouseZoneManager, IMouseZone, IRegisteredLinkMatcher } from 'browser/Types';\nimport { IBufferStringIteratorResult } from 'common/buffer/Types';\nimport { getStringCellWidth } from 'common/CharWidth';\nimport { EventEmitter, IEvent } from 'common/EventEmitter';\nimport { ILogService, IBufferService } from 'common/services/Services';\n\n/**\n * Limit of the unwrapping line expansion (overscan) at the top and bottom\n * of the actual viewport in ASCII characters.\n * A limit of 2000 should match most sane urls.\n */\nconst OVERSCAN_CHAR_LIMIT = 2000;\n\n/**\n * The Linkifier applies links to rows shortly after they have been refreshed.\n */\nexport class Linkifier implements ILinkifier {\n /**\n * The time to wait after a row is changed before it is linkified. This prevents\n * the costly operation of searching every row multiple times, potentially a\n * huge amount of times.\n */\n protected static _timeBeforeLatency = 200;\n\n protected _linkMatchers: IRegisteredLinkMatcher[] = [];\n\n private _mouseZoneManager: IMouseZoneManager | undefined;\n private _element: HTMLElement | undefined;\n\n private _rowsTimeoutId: number | undefined;\n private _nextLinkMatcherId = 0;\n private _rowsToLinkify: { start: number | undefined, end: number | undefined };\n\n private _onLinkHover = new EventEmitter<ILinkifierEvent>();\n public get onLinkHover(): IEvent<ILinkifierEvent> { return this._onLinkHover.event; }\n private _onLinkLeave = new EventEmitter<ILinkifierEvent>();\n public get onLinkLeave(): IEvent<ILinkifierEvent> { return this._onLinkLeave.event; }\n private _onLinkTooltip = new EventEmitter<ILinkifierEvent>();\n public get onLinkTooltip(): IEvent<ILinkifierEvent> { return this._onLinkTooltip.event; }\n\n constructor(\n protected readonly _bufferService: IBufferService,\n private readonly _logService: ILogService\n ) {\n this._rowsToLinkify = {\n start: undefined,\n end: undefined\n };\n }\n\n /**\n * Attaches the linkifier to the DOM, enabling linkification.\n * @param mouseZoneManager The mouse zone manager to register link zones with.\n */\n public attachToDom(element: HTMLElement, mouseZoneManager: IMouseZoneManager): void {\n this._element = element;\n this._mouseZoneManager = mouseZoneManager;\n }\n\n /**\n * Queue linkification on a set of rows.\n * @param start The row to linkify from (inclusive).\n * @param end The row to linkify to (inclusive).\n */\n public linkifyRows(start: number, end: number): void {\n // Don't attempt linkify if not yet attached to DOM\n if (!this._mouseZoneManager) {\n return;\n }\n\n // Increase range to linkify\n if (this._rowsToLinkify.start === undefined || this._rowsToLinkify.end === undefined) {\n this._rowsToLinkify.start = start;\n this._rowsToLinkify.end = end;\n } else {\n this._rowsToLinkify.start = Math.min(this._rowsToLinkify.start, start);\n this._rowsToLinkify.end = Math.max(this._rowsToLinkify.end, end);\n }\n\n // Clear out any existing links on this row range\n this._mouseZoneManager.clearAll(start, end);\n\n // Restart timer\n if (this._rowsTimeoutId) {\n clearTimeout(this._rowsTimeoutId);\n }\n this._rowsTimeoutId = <number><any>setTimeout(() => this._linkifyRows(), Linkifier._timeBeforeLatency);\n }\n\n /**\n * Linkifies the rows requested.\n */\n private _linkifyRows(): void {\n this._rowsTimeoutId = undefined;\n const buffer = this._bufferService.buffer;\n\n if (this._rowsToLinkify.start === undefined || this._rowsToLinkify.end === undefined) {\n this._logService.debug('_rowToLinkify was unset before _linkifyRows was called');\n return;\n }\n\n // Ensure the start row exists\n const absoluteRowIndexStart = buffer.ydisp + this._rowsToLinkify.start;\n if (absoluteRowIndexStart >= buffer.lines.length) {\n return;\n }\n\n // Invalidate bad end row values (if a resize happened)\n const absoluteRowIndexEnd = buffer.ydisp + Math.min(this._rowsToLinkify.end, this._bufferService.rows) + 1;\n\n // Iterate over the range of unwrapped content strings within start..end\n // (excluding).\n // _doLinkifyRow gets full unwrapped lines with the start row as buffer offset\n // for every matcher.\n // The unwrapping is needed to also match content that got wrapped across\n // several buffer lines. To avoid a worst case scenario where the whole buffer\n // contains just a single unwrapped string we limit this line expansion beyond\n // the viewport to +OVERSCAN_CHAR_LIMIT chars (overscan) at top and bottom.\n // This comes with the tradeoff that matches longer than OVERSCAN_CHAR_LIMIT\n // chars will not match anymore at the viewport borders.\n const overscanLineLimit = Math.ceil(OVERSCAN_CHAR_LIMIT / this._bufferService.cols);\n const iterator = this._bufferService.buffer.iterator(\n false, absoluteRowIndexStart, absoluteRowIndexEnd, overscanLineLimit, overscanLineLimit);\n while (iterator.hasNext()) {\n const lineData: IBufferStringIteratorResult = iterator.next();\n for (let i = 0; i < this._linkMatchers.length; i++) {\n this._doLinkifyRow(lineData.range.first, lineData.content, this._linkMatchers[i]);\n }\n }\n\n this._rowsToLinkify.start = undefined;\n this._rowsToLinkify.end = undefined;\n }\n\n /**\n * Registers a link matcher, allowing custom link patterns to be matched and\n * handled.\n * @param regex The regular expression to search for. Specifically, this\n * searches the textContent of the rows. You will want to use \\s to match a\n * space ' ' character for example.\n * @param handler The callback when the link is called.\n * @param options Options for the link matcher.\n * @return The ID of the new matcher, this can be used to deregister.\n */\n public registerLinkMatcher(regex: RegExp, handler: LinkMatcherHandler, options: ILinkMatcherOptions = {}): number {\n if (!handler) {\n throw new Error('handler must be defined');\n }\n const matcher: IRegisteredLinkMatcher = {\n id: this._nextLinkMatcherId++,\n regex,\n handler,\n matchIndex: options.matchIndex,\n validationCallback: options.validationCallback,\n hoverTooltipCallback: options.tooltipCallback,\n hoverLeaveCallback: options.leaveCallback,\n willLinkActivate: options.willLinkActivate,\n priority: options.priority || 0\n };\n this._addLinkMatcherToList(matcher);\n return matcher.id;\n }\n\n /**\n * Inserts a link matcher to the list in the correct position based on the\n * priority of each link matcher. New link matchers of equal priority are\n * considered after older link matchers.\n * @param matcher The link matcher to be added.\n */\n private _addLinkMatcherToList(matcher: IRegisteredLinkMatcher): void {\n if (this._linkMatchers.length === 0) {\n this._linkMatchers.push(matcher);\n return;\n }\n\n for (let i = this._linkMatchers.length - 1; i >= 0; i--) {\n if (matcher.priority <= this._linkMatchers[i].priority) {\n this._linkMatchers.splice(i + 1, 0, matcher);\n return;\n }\n }\n\n this._linkMatchers.splice(0, 0, matcher);\n }\n\n /**\n * Deregisters a link matcher if it has been registered.\n * @param matcherId The link matcher's ID (returned after register)\n * @return Whether a link matcher was found and deregistered.\n */\n public deregisterLinkMatcher(matcherId: number): boolean {\n for (let i = 0; i < this._linkMatchers.length; i++) {\n if (this._linkMatchers[i].id === matcherId) {\n this._linkMatchers.splice(i, 1);\n return true;\n }\n }\n return false;\n }\n\n /**\n * Linkifies a row given a specific handler.\n * @param rowIndex The row index to linkify (absolute index).\n * @param text string content of the unwrapped row.\n * @param matcher The link matcher for this line.\n */\n private _doLinkifyRow(rowIndex: number, text: string, matcher: ILinkMatcher): void {\n // clone regex to do a global search on text\n const rex = new RegExp(matcher.regex.source, (matcher.regex.flags || '') + 'g');\n let match;\n let stringIndex = -1;\n while ((match = rex.exec(text)) !== null) {\n const uri = match[typeof matcher.matchIndex !== 'number' ? 0 : matcher.matchIndex];\n if (!uri) {\n // something matched but does not comply with the given matchIndex\n // since this is most likely a bug the regex itself we simply do nothing here\n this._logService.debug('match found without corresponding matchIndex', match, matcher);\n break;\n }\n\n // Get index, match.index is for the outer match which includes negated chars\n // therefore we cannot use match.index directly, instead we search the position\n // of the match group in text again\n // also correct regex and string search offsets for the next loop run\n stringIndex = text.indexOf(uri, stringIndex + 1);\n rex.lastIndex = stringIndex + uri.length;\n if (stringIndex < 0) {\n // invalid stringIndex (should not have happened)\n break;\n }\n\n // get the buffer index as [absolute row, col] for the match\n const bufferIndex = this._bufferService.buffer.stringIndexToBufferIndex(rowIndex, stringIndex);\n if (bufferIndex[0] < 0) {\n // invalid bufferIndex (should not have happened)\n break;\n }\n\n const line = this._bufferService.buffer.lines.get(bufferIndex[0]);\n if (!line) {\n break;\n }\n\n const attr = line.getFg(bufferIndex[1]);\n const fg = attr ? (attr >> 9) & 0x1ff : undefined;\n\n if (matcher.validationCallback) {\n matcher.validationCallback(uri, isValid => {\n // Discard link if the line has already changed\n if (this._rowsTimeoutId) {\n return;\n }\n if (isValid) {\n this._addLink(bufferIndex[1], bufferIndex[0] - this._bufferService.buffer.ydisp, uri, matcher, fg);\n }\n });\n } else {\n this._addLink(bufferIndex[1], bufferIndex[0] - this._bufferService.buffer.ydisp, uri, matcher, fg);\n }\n }\n }\n\n /**\n * Registers a link to the mouse zone manager.\n * @param x The column the link starts.\n * @param y The row the link is on.\n * @param uri The URI of the link.\n * @param matcher The link matcher for the link.\n * @param fg The link color for hover event.\n */\n private _addLink(x: number, y: number, uri: string, matcher: ILinkMatcher, fg: number | undefined): void {\n if (!this._mouseZoneManager || !this._element) {\n return;\n }\n\n const width = getStringCellWidth(uri);\n const x1 = x % this._bufferService.cols;\n const y1 = y + Math.floor(x / this._bufferService.cols);\n let x2 = (x1 + width) % this._bufferService.cols;\n let y2 = y1 + Math.floor((x1 + width) / this._bufferService.cols);\n if (x2 === 0) {\n x2 = this._bufferService.cols;\n y2--;\n }\n\n this._mouseZoneManager.add(new MouseZone(\n x1 + 1,\n y1 + 1,\n x2 + 1,\n y2 + 1,\n e => {\n if (matcher.handler) {\n return matcher.handler(e, uri);\n }\n window.open(uri, '_blank');\n },\n () => {\n this._onLinkHover.fire(this._createLinkHoverEvent(x1, y1, x2, y2, fg));\n this._element!.classList.add('xterm-cursor-pointer');\n },\n e => {\n this._onLinkTooltip.fire(this._createLinkHoverEvent(x1, y1, x2, y2, fg));\n if (matcher.hoverTooltipCallback) {\n // Note that IViewportRange use 1-based coordinates to align with escape sequences such\n // as CUP which use 1,1 as the default for row/col\n matcher.hoverTooltipCallback(e, uri, { start: { x: x1, y: y1 }, end: { x: x2, y: y2 } });\n }\n },\n () => {\n this._onLinkLeave.fire(this._createLinkHoverEvent(x1, y1, x2, y2, fg));\n this._element!.classList.remove('xterm-cursor-pointer');\n if (matcher.hoverLeaveCallback) {\n matcher.hoverLeaveCallback();\n }\n },\n e => {\n if (matcher.willLinkActivate) {\n return matcher.willLinkActivate(e, uri);\n }\n return true;\n }\n ));\n }\n\n private _createLinkHoverEvent(x1: number, y1: number, x2: number, y2: number, fg: number | undefined): ILinkifierEvent {\n return { x1, y1, x2, y2, cols: this._bufferService.cols, fg };\n }\n}\n\nexport class MouseZone implements IMouseZone {\n constructor(\n public x1: number,\n public y1: number,\n public x2: number,\n public y2: number,\n public clickCallback: (e: MouseEvent) => any,\n public hoverCallback: (e: MouseEvent) => any,\n public tooltipCallback: (e: MouseEvent) => any,\n public leaveCallback: () => void,\n public willLinkActivate: (e: MouseEvent) => boolean\n ) {\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ISelectionRedrawRequestEvent } from 'browser/selection/Types';\nimport { IBuffer } from 'common/buffer/Types';\nimport { IBufferLine, IDisposable } from 'common/Types';\nimport * as Browser from 'common/Platform';\nimport { SelectionModel } from 'browser/selection/SelectionModel';\nimport { CellData } from 'common/buffer/CellData';\nimport { EventEmitter, IEvent } from 'common/EventEmitter';\nimport { ICharSizeService, IMouseService, ISelectionService } from 'browser/services/Services';\nimport { IBufferService, IOptionsService, ICoreService } from 'common/services/Services';\nimport { getCoordsRelativeToElement } from 'browser/input/Mouse';\nimport { moveToCellSequence } from 'browser/input/MoveToCell';\n\n/**\n * The number of pixels the mouse needs to be above or below the viewport in\n * order to scroll at the maximum speed.\n */\nconst DRAG_SCROLL_MAX_THRESHOLD = 50;\n\n/**\n * The maximum scrolling speed\n */\nconst DRAG_SCROLL_MAX_SPEED = 15;\n\n/**\n * The number of milliseconds between drag scroll updates.\n */\nconst DRAG_SCROLL_INTERVAL = 50;\n\n/**\n * The maximum amount of time that can have elapsed for an alt click to move the\n * cursor.\n */\nconst ALT_CLICK_MOVE_CURSOR_TIME = 500;\n\nconst NON_BREAKING_SPACE_CHAR = String.fromCharCode(160);\nconst ALL_NON_BREAKING_SPACE_REGEX = new RegExp(NON_BREAKING_SPACE_CHAR, 'g');\n\n/**\n * Represents a position of a word on a line.\n */\ninterface IWordPosition {\n start: number;\n length: number;\n}\n\n/**\n * A selection mode, this drives how the selection behaves on mouse move.\n */\nexport const enum SelectionMode {\n NORMAL,\n WORD,\n LINE,\n COLUMN\n}\n\n/**\n * A class that manages the selection of the terminal. With help from\n * SelectionModel, SelectionService handles with all logic associated with\n * dealing with the selection, including handling mouse interaction, wide\n * characters and fetching the actual text within the selection. Rendering is\n * not handled by the SelectionService but the onRedrawRequest event is fired\n * when the selection is ready to be redrawn (on an animation frame).\n */\nexport class SelectionService implements ISelectionService {\n serviceBrand: any;\n\n protected _model: SelectionModel;\n\n /**\n * The amount to scroll every drag scroll update (depends on how far the mouse\n * drag is above or below the terminal).\n */\n private _dragScrollAmount: number = 0;\n\n /**\n * The current selection mode.\n */\n protected _activeSelectionMode: SelectionMode;\n\n /**\n * A setInterval timer that is active while the mouse is down whose callback\n * scrolls the viewport when necessary.\n */\n private _dragScrollIntervalTimer: number | undefined;\n\n /**\n * The animation frame ID used for refreshing the selection.\n */\n private _refreshAnimationFrame: number | undefined;\n\n /**\n * Whether selection is enabled.\n */\n private _enabled = true;\n\n private _mouseMoveListener: EventListener;\n private _mouseUpListener: EventListener;\n private _trimListener: IDisposable;\n private _workCell: CellData = new CellData();\n\n private _mouseDownTimeStamp: number = 0;\n\n private _onLinuxMouseSelection = new EventEmitter<string>();\n public get onLinuxMouseSelection(): IEvent<string> { return this._onLinuxMouseSelection.event; }\n private _onRedrawRequest = new EventEmitter<ISelectionRedrawRequestEvent>();\n public get onRedrawRequest(): IEvent<ISelectionRedrawRequestEvent> { return this._onRedrawRequest.event; }\n private _onSelectionChange = new EventEmitter<void>();\n public get onSelectionChange(): IEvent<void> { return this._onSelectionChange.event; }\n\n constructor(\n private readonly _scrollLines: (amount: number, suppressEvent: boolean) => void,\n private readonly _element: HTMLElement,\n private readonly _screenElement: HTMLElement,\n @ICharSizeService private readonly _charSizeService: ICharSizeService,\n @IBufferService private readonly _bufferService: IBufferService,\n @ICoreService private readonly _coreService: ICoreService,\n @IMouseService private readonly _mouseService: IMouseService,\n @IOptionsService private readonly _optionsService: IOptionsService\n ) {\n // Init listeners\n this._mouseMoveListener = event => this._onMouseMove(<MouseEvent>event);\n this._mouseUpListener = event => this._onMouseUp(<MouseEvent>event);\n this._coreService.onUserInput(() => {\n if (this.hasSelection) {\n this.clearSelection();\n }\n });\n this._trimListener = this._bufferService.buffer.lines.onTrim(amount => this._onTrim(amount));\n this._bufferService.buffers.onBufferActivate(e => this._onBufferActivate(e));\n\n this.enable();\n\n this._model = new SelectionModel(this._bufferService);\n this._activeSelectionMode = SelectionMode.NORMAL;\n }\n\n public dispose(): void {\n this._removeMouseDownListeners();\n }\n\n public reset(): void {\n this.clearSelection();\n }\n\n /**\n * Disables the selection manager. This is useful for when terminal mouse\n * are enabled.\n */\n public disable(): void {\n this.clearSelection();\n this._enabled = false;\n }\n\n /**\n * Enable the selection manager.\n */\n public enable(): void {\n this._enabled = true;\n }\n\n public get selectionStart(): [number, number] | undefined { return this._model.finalSelectionStart; }\n public get selectionEnd(): [number, number] | undefined { return this._model.finalSelectionEnd; }\n\n /**\n * Gets whether there is an active text selection.\n */\n public get hasSelection(): boolean {\n const start = this._model.finalSelectionStart;\n const end = this._model.finalSelectionEnd;\n if (!start || !end) {\n return false;\n }\n return start[0] !== end[0] || start[1] !== end[1];\n }\n\n /**\n * Gets the text currently selected.\n */\n public get selectionText(): string {\n const start = this._model.finalSelectionStart;\n const end = this._model.finalSelectionEnd;\n if (!start || !end) {\n return '';\n }\n\n const buffer = this._bufferService.buffer;\n const result: string[] = [];\n\n if (this._activeSelectionMode === SelectionMode.COLUMN) {\n // Ignore zero width selections\n if (start[0] === end[0]) {\n return '';\n }\n\n for (let i = start[1]; i <= end[1]; i++) {\n const lineText = buffer.translateBufferLineToString(i, true, start[0], end[0]);\n result.push(lineText);\n }\n } else {\n // Get first row\n const startRowEndCol = start[1] === end[1] ? end[0] : undefined;\n result.push(buffer.translateBufferLineToString(start[1], true, start[0], startRowEndCol));\n\n // Get middle rows\n for (let i = start[1] + 1; i <= end[1] - 1; i++) {\n const bufferLine = buffer.lines.get(i);\n const lineText = buffer.translateBufferLineToString(i, true);\n if (bufferLine && bufferLine.isWrapped) {\n result[result.length - 1] += lineText;\n } else {\n result.push(lineText);\n }\n }\n\n // Get final row\n if (start[1] !== end[1]) {\n const bufferLine = buffer.lines.get(end[1]);\n const lineText = buffer.translateBufferLineToString(end[1], true, 0, end[0]);\n if (bufferLine && bufferLine!.isWrapped) {\n result[result.length - 1] += lineText;\n } else {\n result.push(lineText);\n }\n }\n }\n\n // Format string by replacing non-breaking space chars with regular spaces\n // and joining the array into a multi-line string.\n const formattedResult = result.map(line => {\n return line.replace(ALL_NON_BREAKING_SPACE_REGEX, ' ');\n }).join(Browser.isWindows ? '\\r\\n' : '\\n');\n\n return formattedResult;\n }\n\n /**\n * Clears the current terminal selection.\n */\n public clearSelection(): void {\n this._model.clearSelection();\n this._removeMouseDownListeners();\n this.refresh();\n this._onSelectionChange.fire();\n }\n\n /**\n * Queues a refresh, redrawing the selection on the next opportunity.\n * @param isLinuxMouseSelection Whether the selection should be registered as a new\n * selection on Linux.\n */\n public refresh(isLinuxMouseSelection?: boolean): void {\n // Queue the refresh for the renderer\n if (!this._refreshAnimationFrame) {\n this._refreshAnimationFrame = window.requestAnimationFrame(() => this._refresh());\n }\n\n // If the platform is Linux and the refresh call comes from a mouse event,\n // we need to update the selection for middle click to paste selection.\n if (Browser.isLinux && isLinuxMouseSelection) {\n const selectionText = this.selectionText;\n if (selectionText.length) {\n this._onLinuxMouseSelection.fire(this.selectionText);\n }\n }\n }\n\n /**\n * Fires the refresh event, causing consumers to pick it up and redraw the\n * selection state.\n */\n private _refresh(): void {\n this._refreshAnimationFrame = undefined;\n this._onRedrawRequest.fire({\n start: this._model.finalSelectionStart,\n end: this._model.finalSelectionEnd,\n columnSelectMode: this._activeSelectionMode === SelectionMode.COLUMN\n });\n }\n\n /**\n * Checks if the current click was inside the current selection\n * @param event The mouse event\n */\n public isClickInSelection(event: MouseEvent): boolean {\n const coords = this._getMouseBufferCoords(event);\n const start = this._model.finalSelectionStart;\n const end = this._model.finalSelectionEnd;\n\n if (!start || !end || !coords) {\n return false;\n }\n\n return this._areCoordsInSelection(coords, start, end);\n }\n\n protected _areCoordsInSelection(coords: [number, number], start: [number, number], end: [number, number]): boolean {\n return (coords[1] > start[1] && coords[1] < end[1]) ||\n (start[1] === end[1] && coords[1] === start[1] && coords[0] >= start[0] && coords[0] < end[0]) ||\n (start[1] < end[1] && coords[1] === end[1] && coords[0] < end[0]) ||\n (start[1] < end[1] && coords[1] === start[1] && coords[0] >= start[0]);\n }\n\n /**\n * Selects word at the current mouse event coordinates.\n * @param event The mouse event.\n */\n public selectWordAtCursor(event: MouseEvent): void {\n const coords = this._getMouseBufferCoords(event);\n if (coords) {\n this._selectWordAt(coords, false);\n this._model.selectionEnd = undefined;\n this.refresh(true);\n }\n }\n\n /**\n * Selects all text within the terminal.\n */\n public selectAll(): void {\n this._model.isSelectAllActive = true;\n this.refresh();\n this._onSelectionChange.fire();\n }\n\n public selectLines(start: number, end: number): void {\n this._model.clearSelection();\n start = Math.max(start, 0);\n end = Math.min(end, this._bufferService.buffer.lines.length - 1);\n this._model.selectionStart = [0, start];\n this._model.selectionEnd = [this._bufferService.cols, end];\n this.refresh();\n this._onSelectionChange.fire();\n }\n\n /**\n * Handle the buffer being trimmed, adjust the selection position.\n * @param amount The amount the buffer is being trimmed.\n */\n private _onTrim(amount: number): void {\n const needsRefresh = this._model.onTrim(amount);\n if (needsRefresh) {\n this.refresh();\n }\n }\n\n /**\n * Gets the 0-based [x, y] buffer coordinates of the current mouse event.\n * @param event The mouse event.\n */\n private _getMouseBufferCoords(event: MouseEvent): [number, number] | undefined {\n const coords = this._mouseService.getCoords(event, this._screenElement, this._bufferService.cols, this._bufferService.rows, true);\n if (!coords) {\n return undefined;\n }\n\n // Convert to 0-based\n coords[0]--;\n coords[1]--;\n\n // Convert viewport coords to buffer coords\n coords[1] += this._bufferService.buffer.ydisp;\n return coords;\n }\n\n /**\n * Gets the amount the viewport should be scrolled based on how far out of the\n * terminal the mouse is.\n * @param event The mouse event.\n */\n private _getMouseEventScrollAmount(event: MouseEvent): number {\n let offset = getCoordsRelativeToElement(event, this._screenElement)[1];\n const terminalHeight = this._bufferService.rows * Math.ceil(this._charSizeService.height * this._optionsService.options.lineHeight);\n if (offset >= 0 && offset <= terminalHeight) {\n return 0;\n }\n if (offset > terminalHeight) {\n offset -= terminalHeight;\n }\n\n offset = Math.min(Math.max(offset, -DRAG_SCROLL_MAX_THRESHOLD), DRAG_SCROLL_MAX_THRESHOLD);\n offset /= DRAG_SCROLL_MAX_THRESHOLD;\n return (offset / Math.abs(offset)) + Math.round(offset * (DRAG_SCROLL_MAX_SPEED - 1));\n }\n\n /**\n * Returns whether the selection manager should force selection, regardless of\n * whether the terminal is in mouse events mode.\n * @param event The mouse event.\n */\n public shouldForceSelection(event: MouseEvent): boolean {\n if (Browser.isMac) {\n return event.altKey && this._optionsService.options.macOptionClickForcesSelection;\n }\n\n return event.shiftKey;\n }\n\n /**\n * Handles te mousedown event, setting up for a new selection.\n * @param event The mousedown event.\n */\n public onMouseDown(event: MouseEvent): void {\n this._mouseDownTimeStamp = event.timeStamp;\n // If we have selection, we want the context menu on right click even if the\n // terminal is in mouse mode.\n if (event.button === 2 && this.hasSelection) {\n return;\n }\n\n // Only action the primary button\n if (event.button !== 0) {\n return;\n }\n\n // Allow selection when using a specific modifier key, even when disabled\n if (!this._enabled) {\n if (!this.shouldForceSelection(event)) {\n return;\n }\n\n // Don't send the mouse down event to the current process, we want to select\n event.stopPropagation();\n }\n\n // Tell the browser not to start a regular selection\n event.preventDefault();\n\n // Reset drag scroll state\n this._dragScrollAmount = 0;\n\n if (this._enabled && event.shiftKey) {\n this._onIncrementalClick(event);\n } else {\n if (event.detail === 1) {\n this._onSingleClick(event);\n } else if (event.detail === 2) {\n this._onDoubleClick(event);\n } else if (event.detail === 3) {\n this._onTripleClick(event);\n }\n }\n\n this._addMouseDownListeners();\n this.refresh(true);\n }\n\n /**\n * Adds listeners when mousedown is triggered.\n */\n private _addMouseDownListeners(): void {\n // Listen on the document so that dragging outside of viewport works\n if (this._screenElement.ownerDocument) {\n this._screenElement.ownerDocument.addEventListener('mousemove', this._mouseMoveListener);\n this._screenElement.ownerDocument.addEventListener('mouseup', this._mouseUpListener);\n }\n this._dragScrollIntervalTimer = window.setInterval(() => this._dragScroll(), DRAG_SCROLL_INTERVAL);\n }\n\n /**\n * Removes the listeners that are registered when mousedown is triggered.\n */\n private _removeMouseDownListeners(): void {\n if (this._screenElement.ownerDocument) {\n this._screenElement.ownerDocument.removeEventListener('mousemove', this._mouseMoveListener);\n this._screenElement.ownerDocument.removeEventListener('mouseup', this._mouseUpListener);\n }\n clearInterval(this._dragScrollIntervalTimer);\n this._dragScrollIntervalTimer = undefined;\n }\n\n /**\n * Performs an incremental click, setting the selection end position to the mouse\n * position.\n * @param event The mouse event.\n */\n private _onIncrementalClick(event: MouseEvent): void {\n if (this._model.selectionStart) {\n this._model.selectionEnd = this._getMouseBufferCoords(event);\n }\n }\n\n /**\n * Performs a single click, resetting relevant state and setting the selection\n * start position.\n * @param event The mouse event.\n */\n private _onSingleClick(event: MouseEvent): void {\n this._model.selectionStartLength = 0;\n this._model.isSelectAllActive = false;\n this._activeSelectionMode = this.shouldColumnSelect(event) ? SelectionMode.COLUMN : SelectionMode.NORMAL;\n\n // Initialize the new selection\n this._model.selectionStart = this._getMouseBufferCoords(event);\n if (!this._model.selectionStart) {\n return;\n }\n this._model.selectionEnd = undefined;\n\n // Ensure the line exists\n const line = this._bufferService.buffer.lines.get(this._model.selectionStart[1]);\n if (!line) {\n return;\n }\n\n // Return early if the click event is not in the buffer (eg. in scroll bar)\n if (line.length === this._model.selectionStart[0]) {\n return;\n }\n\n // If the mouse is over the second half of a wide character, adjust the\n // selection to cover the whole character\n if (line.hasWidth(this._model.selectionStart[0]) === 0) {\n this._model.selectionStart[0]++;\n }\n }\n\n /**\n * Performs a double click, selecting the current work.\n * @param event The mouse event.\n */\n private _onDoubleClick(event: MouseEvent): void {\n const coords = this._getMouseBufferCoords(event);\n if (coords) {\n this._activeSelectionMode = SelectionMode.WORD;\n this._selectWordAt(coords, true);\n }\n }\n\n /**\n * Performs a triple click, selecting the current line and activating line\n * select mode.\n * @param event The mouse event.\n */\n private _onTripleClick(event: MouseEvent): void {\n const coords = this._getMouseBufferCoords(event);\n if (coords) {\n this._activeSelectionMode = SelectionMode.LINE;\n this._selectLineAt(coords[1]);\n }\n }\n\n /**\n * Returns whether the selection manager should operate in column select mode\n * @param event the mouse or keyboard event\n */\n public shouldColumnSelect(event: KeyboardEvent | MouseEvent): boolean {\n return event.altKey && !(Browser.isMac && this._optionsService.options.macOptionClickForcesSelection);\n }\n\n /**\n * Handles the mousemove event when the mouse button is down, recording the\n * end of the selection and refreshing the selection.\n * @param event The mousemove event.\n */\n private _onMouseMove(event: MouseEvent): void {\n // If the mousemove listener is active it means that a selection is\n // currently being made, we should stop propagation to prevent mouse events\n // to be sent to the pty.\n event.stopImmediatePropagation();\n\n // Do nothing if there is no selection start, this can happen if the first\n // click in the terminal is an incremental click\n if (!this._model.selectionStart) {\n return;\n }\n\n // Record the previous position so we know whether to redraw the selection\n // at the end.\n const previousSelectionEnd = this._model.selectionEnd ? [this._model.selectionEnd[0], this._model.selectionEnd[1]] : null;\n\n // Set the initial selection end based on the mouse coordinates\n this._model.selectionEnd = this._getMouseBufferCoords(event);\n if (!this._model.selectionEnd) {\n this.refresh(true);\n return;\n }\n\n // Select the entire line if line select mode is active.\n if (this._activeSelectionMode === SelectionMode.LINE) {\n if (this._model.selectionEnd[1] < this._model.selectionStart[1]) {\n this._model.selectionEnd[0] = 0;\n } else {\n this._model.selectionEnd[0] = this._bufferService.cols;\n }\n } else if (this._activeSelectionMode === SelectionMode.WORD) {\n this._selectToWordAt(this._model.selectionEnd);\n }\n\n // Determine the amount of scrolling that will happen.\n this._dragScrollAmount = this._getMouseEventScrollAmount(event);\n\n // If the cursor was above or below the viewport, make sure it's at the\n // start or end of the viewport respectively. This should only happen when\n // NOT in column select mode.\n if (this._activeSelectionMode !== SelectionMode.COLUMN) {\n if (this._dragScrollAmount > 0) {\n this._model.selectionEnd[0] = this._bufferService.cols;\n } else if (this._dragScrollAmount < 0) {\n this._model.selectionEnd[0] = 0;\n }\n }\n\n // If the character is a wide character include the cell to the right in the\n // selection. Note that selections at the very end of the line will never\n // have a character.\n const buffer = this._bufferService.buffer;\n if (this._model.selectionEnd[1] < buffer.lines.length) {\n const line = buffer.lines.get(this._model.selectionEnd[1]);\n if (line && line.hasWidth(this._model.selectionEnd[0]) === 0) {\n this._model.selectionEnd[0]++;\n }\n }\n\n // Only draw here if the selection changes.\n if (!previousSelectionEnd ||\n previousSelectionEnd[0] !== this._model.selectionEnd[0] ||\n previousSelectionEnd[1] !== this._model.selectionEnd[1]) {\n this.refresh(true);\n }\n }\n\n /**\n * The callback that occurs every DRAG_SCROLL_INTERVAL ms that does the\n * scrolling of the viewport.\n */\n private _dragScroll(): void {\n if (!this._model.selectionEnd || !this._model.selectionStart) {\n return;\n }\n if (this._dragScrollAmount) {\n this._scrollLines(this._dragScrollAmount, false);\n // Re-evaluate selection\n // If the cursor was above or below the viewport, make sure it's at the\n // start or end of the viewport respectively. This should only happen when\n // NOT in column select mode.\n const buffer = this._bufferService.buffer;\n if (this._dragScrollAmount > 0) {\n if (this._activeSelectionMode !== SelectionMode.COLUMN) {\n this._model.selectionEnd[0] = this._bufferService.cols;\n }\n this._model.selectionEnd[1] = Math.min(buffer.ydisp + this._bufferService.rows, buffer.lines.length - 1);\n } else {\n if (this._activeSelectionMode !== SelectionMode.COLUMN) {\n this._model.selectionEnd[0] = 0;\n }\n this._model.selectionEnd[1] = buffer.ydisp;\n }\n this.refresh();\n }\n }\n\n /**\n * Handles the mouseup event, removing the mousedown listeners.\n * @param event The mouseup event.\n */\n private _onMouseUp(event: MouseEvent): void {\n const timeElapsed = event.timeStamp - this._mouseDownTimeStamp;\n\n this._removeMouseDownListeners();\n\n if (this.selectionText.length <= 1 && timeElapsed < ALT_CLICK_MOVE_CURSOR_TIME) {\n if (event.altKey && this._bufferService.buffer.ybase === this._bufferService.buffer.ydisp) {\n const coordinates = this._mouseService.getCoords(\n event,\n this._element,\n this._bufferService.cols,\n this._bufferService.rows,\n false\n );\n if (coordinates && coordinates[0] !== undefined && coordinates[1] !== undefined) {\n const sequence = moveToCellSequence(coordinates[0] - 1, coordinates[1] - 1, this._bufferService, this._coreService.decPrivateModes.applicationCursorKeys);\n this._coreService.triggerDataEvent(sequence, true);\n }\n }\n } else if (this.hasSelection) {\n this._onSelectionChange.fire();\n }\n }\n\n private _onBufferActivate(e: {activeBuffer: IBuffer, inactiveBuffer: IBuffer}): void {\n this.clearSelection();\n // Only adjust the selection on trim, shiftElements is rarely used (only in\n // reverseIndex) and delete in a splice is only ever used when the same\n // number of elements was just added. Given this is could actually be\n // beneficial to leave the selection as is for these cases.\n this._trimListener.dispose();\n this._trimListener = e.activeBuffer.lines.onTrim(amount => this._onTrim(amount));\n }\n\n /**\n * Converts a viewport column to the character index on the buffer line, the\n * latter takes into account wide characters.\n * @param coords The coordinates to find the 2 index for.\n */\n private _convertViewportColToCharacterIndex(bufferLine: IBufferLine, coords: [number, number]): number {\n let charIndex = coords[0];\n for (let i = 0; coords[0] >= i; i++) {\n const length = bufferLine.loadCell(i, this._workCell).getChars().length;\n if (this._workCell.getWidth() === 0) {\n // Wide characters aren't included in the line string so decrement the\n // index so the index is back on the wide character.\n charIndex--;\n } else if (length > 1 && coords[0] !== i) {\n // Emojis take up multiple characters, so adjust accordingly. For these\n // we don't want ot include the character at the column as we're\n // returning the start index in the string, not the end index.\n charIndex += length - 1;\n }\n }\n return charIndex;\n }\n\n public setSelection(col: number, row: number, length: number): void {\n this._model.clearSelection();\n this._removeMouseDownListeners();\n this._model.selectionStart = [col, row];\n this._model.selectionStartLength = length;\n this.refresh();\n }\n\n /**\n * Gets positional information for the word at the coordinated specified.\n * @param coords The coordinates to get the word at.\n */\n private _getWordAt(coords: [number, number], allowWhitespaceOnlySelection: boolean, followWrappedLinesAbove: boolean = true, followWrappedLinesBelow: boolean = true): IWordPosition | undefined {\n // Ensure coords are within viewport (eg. not within scroll bar)\n if (coords[0] >= this._bufferService.cols) {\n return undefined;\n }\n\n const buffer = this._bufferService.buffer;\n const bufferLine = buffer.lines.get(coords[1]);\n if (!bufferLine) {\n return undefined;\n }\n\n const line = buffer.translateBufferLineToString(coords[1], false);\n\n // Get actual index, taking into consideration wide characters\n let startIndex = this._convertViewportColToCharacterIndex(bufferLine, coords);\n let endIndex = startIndex;\n\n // Record offset to be used later\n const charOffset = coords[0] - startIndex;\n let leftWideCharCount = 0;\n let rightWideCharCount = 0;\n let leftLongCharOffset = 0;\n let rightLongCharOffset = 0;\n\n if (line.charAt(startIndex) === ' ') {\n // Expand until non-whitespace is hit\n while (startIndex > 0 && line.charAt(startIndex - 1) === ' ') {\n startIndex--;\n }\n while (endIndex < line.length && line.charAt(endIndex + 1) === ' ') {\n endIndex++;\n }\n } else {\n // Expand until whitespace is hit. This algorithm works by scanning left\n // and right from the starting position, keeping both the index format\n // (line) and the column format (bufferLine) in sync. When a wide\n // character is hit, it is recorded and the column index is adjusted.\n let startCol = coords[0];\n let endCol = coords[0];\n\n // Consider the initial position, skip it and increment the wide char\n // variable\n if (bufferLine.getWidth(startCol) === 0) {\n leftWideCharCount++;\n startCol--;\n }\n if (bufferLine.getWidth(endCol) === 2) {\n rightWideCharCount++;\n endCol++;\n }\n\n // Adjust the end index for characters whose length are > 1 (emojis)\n const length = bufferLine.getString(endCol).length;\n if (length > 1) {\n rightLongCharOffset += length - 1;\n endIndex += length - 1;\n }\n\n // Expand the string in both directions until a space is hit\n while (startCol > 0 && startIndex > 0 && !this._isCharWordSeparator(bufferLine.loadCell(startCol - 1, this._workCell))) {\n bufferLine.loadCell(startCol - 1, this._workCell);\n const length = this._workCell.getChars().length;\n if (this._workCell.getWidth() === 0) {\n // If the next character is a wide char, record it and skip the column\n leftWideCharCount++;\n startCol--;\n } else if (length > 1) {\n // If the next character's string is longer than 1 char (eg. emoji),\n // adjust the index\n leftLongCharOffset += length - 1;\n startIndex -= length - 1;\n }\n startIndex--;\n startCol--;\n }\n while (endCol < bufferLine.length && endIndex + 1 < line.length && !this._isCharWordSeparator(bufferLine.loadCell(endCol + 1, this._workCell))) {\n bufferLine.loadCell(endCol + 1, this._workCell);\n const length = this._workCell.getChars().length;\n if (this._workCell.getWidth() === 2) {\n // If the next character is a wide char, record it and skip the column\n rightWideCharCount++;\n endCol++;\n } else if (length > 1) {\n // If the next character's string is longer than 1 char (eg. emoji),\n // adjust the index\n rightLongCharOffset += length - 1;\n endIndex += length - 1;\n }\n endIndex++;\n endCol++;\n }\n }\n\n // Incremenet the end index so it is at the start of the next character\n endIndex++;\n\n // Calculate the start _column_, converting the the string indexes back to\n // column coordinates.\n let start =\n startIndex // The index of the selection's start char in the line string\n + charOffset // The difference between the initial char's column and index\n - leftWideCharCount // The number of wide chars left of the initial char\n + leftLongCharOffset; // The number of additional chars left of the initial char added by columns with strings longer than 1 (emojis)\n\n // Calculate the length in _columns_, converting the the string indexes back\n // to column coordinates.\n let length = Math.min(this._bufferService.cols, // Disallow lengths larger than the terminal cols\n endIndex // The index of the selection's end char in the line string\n - startIndex // The index of the selection's start char in the line string\n + leftWideCharCount // The number of wide chars left of the initial char\n + rightWideCharCount // The number of wide chars right of the initial char (inclusive)\n - leftLongCharOffset // The number of additional chars left of the initial char added by columns with strings longer than 1 (emojis)\n - rightLongCharOffset); // The number of additional chars right of the initial char (inclusive) added by columns with strings longer than 1 (emojis)\n\n if (!allowWhitespaceOnlySelection && line.slice(startIndex, endIndex).trim() === '') {\n return undefined;\n }\n\n // Recurse upwards if the line is wrapped and the word wraps to the above line\n if (followWrappedLinesAbove) {\n if (start === 0 && bufferLine.getCodePoint(0) !== 32 /*' '*/) {\n const previousBufferLine = buffer.lines.get(coords[1] - 1);\n if (previousBufferLine && bufferLine.isWrapped && previousBufferLine.getCodePoint(this._bufferService.cols - 1) !== 32 /*' '*/) {\n const previousLineWordPosition = this._getWordAt([this._bufferService.cols - 1, coords[1] - 1], false, true, false);\n if (previousLineWordPosition) {\n const offset = this._bufferService.cols - previousLineWordPosition.start;\n start -= offset;\n length += offset;\n }\n }\n }\n }\n\n // Recurse downwards if the line is wrapped and the word wraps to the next line\n if (followWrappedLinesBelow) {\n if (start + length === this._bufferService.cols && bufferLine.getCodePoint(this._bufferService.cols - 1) !== 32 /*' '*/) {\n const nextBufferLine = buffer.lines.get(coords[1] + 1);\n if (nextBufferLine && nextBufferLine.isWrapped && nextBufferLine.getCodePoint(0) !== 32 /*' '*/) {\n const nextLineWordPosition = this._getWordAt([0, coords[1] + 1], false, false, true);\n if (nextLineWordPosition) {\n length += nextLineWordPosition.length;\n }\n }\n }\n }\n\n return { start, length };\n }\n\n /**\n * Selects the word at the coordinates specified.\n * @param coords The coordinates to get the word at.\n * @param allowWhitespaceOnlySelection If whitespace should be selected\n */\n protected _selectWordAt(coords: [number, number], allowWhitespaceOnlySelection: boolean): void {\n const wordPosition = this._getWordAt(coords, allowWhitespaceOnlySelection);\n if (wordPosition) {\n // Adjust negative start value\n while (wordPosition.start < 0) {\n wordPosition.start += this._bufferService.cols;\n coords[1]--;\n }\n this._model.selectionStart = [wordPosition.start, coords[1]];\n this._model.selectionStartLength = wordPosition.length;\n }\n }\n\n /**\n * Sets the selection end to the word at the coordinated specified.\n * @param coords The coordinates to get the word at.\n */\n private _selectToWordAt(coords: [number, number]): void {\n const wordPosition = this._getWordAt(coords, true);\n if (wordPosition) {\n let endRow = coords[1];\n\n // Adjust negative start value\n while (wordPosition.start < 0) {\n wordPosition.start += this._bufferService.cols;\n endRow--;\n }\n\n // Adjust wrapped length value, this only needs to happen when values are reversed as in that\n // case we're interested in the start of the word, not the end\n if (!this._model.areSelectionValuesReversed()) {\n while (wordPosition.start + wordPosition.length > this._bufferService.cols) {\n wordPosition.length -= this._bufferService.cols;\n endRow++;\n }\n }\n\n this._model.selectionEnd = [this._model.areSelectionValuesReversed() ? wordPosition.start : wordPosition.start + wordPosition.length, endRow];\n }\n }\n\n /**\n * Gets whether the character is considered a word separator by the select\n * word logic.\n * @param char The character to check.\n */\n private _isCharWordSeparator(cell: CellData): boolean {\n // Zero width characters are never separators as they are always to the\n // right of wide characters\n if (cell.getWidth() === 0) {\n return false;\n }\n return this._optionsService.options.wordSeparator.indexOf(cell.getChars()) >= 0;\n }\n\n /**\n * Selects the line specified.\n * @param line The line index.\n */\n protected _selectLineAt(line: number): void {\n const wrappedRange = this._bufferService.buffer.getWrappedRangeForLine(line);\n this._model.selectionStart = [0, wrappedRange.first];\n this._model.selectionEnd = [this._bufferService.cols, wrappedRange.last];\n this._model.selectionStartLength = 0;\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IBufferService } from 'common/services/Services';\n\n/**\n * Represents a selection within the buffer. This model only cares about column\n * and row coordinates, not wide characters.\n */\nexport class SelectionModel {\n /**\n * Whether select all is currently active.\n */\n public isSelectAllActive: boolean = false;\n\n /**\n * The minimal length of the selection from the start position. When double\n * clicking on a word, the word will be selected which makes the selection\n * start at the start of the word and makes this variable the length.\n */\n public selectionStartLength: number = 0;\n\n /**\n * The [x, y] position the selection starts at.\n */\n public selectionStart: [number, number] | undefined;\n\n /**\n * The [x, y] position the selection ends at.\n */\n public selectionEnd: [number, number] | undefined;\n\n constructor(\n private _bufferService: IBufferService\n ) {\n }\n\n /**\n * Clears the current selection.\n */\n public clearSelection(): void {\n this.selectionStart = undefined;\n this.selectionEnd = undefined;\n this.isSelectAllActive = false;\n this.selectionStartLength = 0;\n }\n\n /**\n * The final selection start, taking into consideration select all.\n */\n public get finalSelectionStart(): [number, number] | undefined {\n if (this.isSelectAllActive) {\n return [0, 0];\n }\n\n if (!this.selectionEnd || !this.selectionStart) {\n return this.selectionStart;\n }\n\n return this.areSelectionValuesReversed() ? this.selectionEnd : this.selectionStart;\n }\n\n /**\n * The final selection end, taking into consideration select all, double click\n * word selection and triple click line selection.\n */\n public get finalSelectionEnd(): [number, number] | undefined {\n if (this.isSelectAllActive) {\n return [this._bufferService.cols, this._bufferService.buffer.ybase + this._bufferService.rows - 1];\n }\n\n if (!this.selectionStart) {\n return undefined;\n }\n\n // Use the selection start + length if the end doesn't exist or they're reversed\n if (!this.selectionEnd || this.areSelectionValuesReversed()) {\n const startPlusLength = this.selectionStart[0] + this.selectionStartLength;\n if (startPlusLength > this._bufferService.cols) {\n return [startPlusLength % this._bufferService.cols, this.selectionStart[1] + Math.floor(startPlusLength / this._bufferService.cols)];\n }\n return [startPlusLength, this.selectionStart[1]];\n }\n\n // Ensure the the word/line is selected after a double/triple click\n if (this.selectionStartLength) {\n // Select the larger of the two when start and end are on the same line\n if (this.selectionEnd[1] === this.selectionStart[1]) {\n return [Math.max(this.selectionStart[0] + this.selectionStartLength, this.selectionEnd[0]), this.selectionEnd[1]];\n }\n }\n return this.selectionEnd;\n }\n\n /**\n * Returns whether the selection start and end are reversed.\n */\n public areSelectionValuesReversed(): boolean {\n const start = this.selectionStart;\n const end = this.selectionEnd;\n if (!start || !end) {\n return false;\n }\n return start[1] > end[1] || (start[1] === end[1] && start[0] > end[0]);\n }\n\n /**\n * Handle the buffer being trimmed, adjust the selection position.\n * @param amount The amount the buffer is being trimmed.\n * @return Whether a refresh is necessary.\n */\n public onTrim(amount: number): boolean {\n // Adjust the selection position based on the trimmed amount.\n if (this.selectionStart) {\n this.selectionStart[1] -= amount;\n }\n if (this.selectionEnd) {\n this.selectionEnd[1] -= amount;\n }\n\n // The selection has moved off the buffer, clear it.\n if (this.selectionEnd && this.selectionEnd[1] < 0) {\n this.clearSelection();\n return true;\n }\n\n // If the selection start is trimmed, ensure the start column is 0.\n if (this.selectionStart && this.selectionStart[1] < 0) {\n this.selectionStart[1] = 0;\n }\n return false;\n }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { C0 } from 'common/data/EscapeSequences';\nimport { IBufferService } from 'common/services/Services';\n\nconst enum Direction {\n UP = 'A',\n DOWN = 'B',\n RIGHT = 'C',\n LEFT = 'D'\n}\n\n/**\n * Concatenates all the arrow sequences together.\n * Resets the starting row to an unwrapped row, moves to the requested row,\n * then moves to requested col.\n */\nexport function moveToCellSequence(targetX: number, targetY: number, bufferService: IBufferService, applicationCursor: boolean): string {\n const startX = bufferService.buffer.x;\n const startY = bufferService.buffer.y;\n\n // The alt buffer should try to navigate between rows\n if (!bufferService.buffer.hasScrollback) {\n return resetStartingRow(startX, startY, targetX, targetY, bufferService, applicationCursor) +\n moveToRequestedRow(startY, targetY, bufferService, applicationCursor) +\n moveToRequestedCol(startX, startY, targetX, targetY, bufferService, applicationCursor);\n }\n\n // Only move horizontally for the normal buffer\n return moveHorizontallyOnly(startX, startY, targetX, targetY, bufferService, applicationCursor);\n}\n\n/**\n * If the initial position of the cursor is on a row that is wrapped, move the\n * cursor up to the first row that is not wrapped to have accurate vertical\n * positioning.\n */\nfunction resetStartingRow(startX: number, startY: number, targetX: number, targetY: number, bufferService: IBufferService, applicationCursor: boolean): string {\n if (moveToRequestedRow(startY, targetY, bufferService, applicationCursor).length === 0) {\n return '';\n }\n return repeat(bufferLine(\n startX, startY, startX,\n startY - wrappedRowsForRow(bufferService, startY), false, bufferService\n ).length, sequence(Direction.LEFT, applicationCursor));\n}\n\n/**\n * Using the reset starting and ending row, move to the requested row,\n * ignoring wrapped rows\n */\nfunction moveToRequestedRow(startY: number, targetY: number, bufferService: IBufferService, applicationCursor: boolean): string {\n const startRow = startY - wrappedRowsForRow(bufferService, startY);\n const endRow = targetY - wrappedRowsForRow(bufferService, targetY);\n\n const rowsToMove = Math.abs(startRow - endRow) - wrappedRowsCount(startY, targetY, bufferService);\n\n return repeat(rowsToMove, sequence(verticalDirection(startY, targetY), applicationCursor));\n}\n\n/**\n * Move to the requested col on the ending row\n */\nfunction moveToRequestedCol(startX: number, startY: number, targetX: number, targetY: number, bufferService: IBufferService, applicationCursor: boolean): string {\n let startRow;\n if (moveToRequestedRow(startY, targetY, bufferService, applicationCursor).length > 0) {\n startRow = targetY - wrappedRowsForRow(bufferService, targetY);\n } else {\n startRow = startY;\n }\n\n const endRow = targetY;\n const direction = horizontalDirection(startX, startY, targetX, targetY, bufferService, applicationCursor);\n\n return repeat(bufferLine(\n startX, startRow, targetX, endRow,\n direction === Direction.RIGHT, bufferService\n ).length, sequence(direction, applicationCursor));\n}\n\nfunction moveHorizontallyOnly(startX: number, startY: number, targetX: number, targetY: number, bufferService: IBufferService, applicationCursor: boolean): string {\n const direction = horizontalDirection(startX, startY, targetX, targetY, bufferService, applicationCursor);\n return repeat(Math.abs(startX - targetX), sequence(direction, applicationCursor));\n}\n\n/**\n * Utility functions\n */\n\n/**\n * Calculates the number of wrapped rows between the unwrapped starting and\n * ending rows. These rows need to ignored since the cursor skips over them.\n */\nfunction wrappedRowsCount(startY: number, targetY: number, bufferService: IBufferService): number {\n let wrappedRows = 0;\n const startRow = startY - wrappedRowsForRow(bufferService, startY);\n const endRow = targetY - wrappedRowsForRow(bufferService, targetY);\n\n for (let i = 0; i < Math.abs(startRow - endRow); i++) {\n const direction = verticalDirection(startY, targetY) === Direction.UP ? -1 : 1;\n const line = bufferService.buffer.lines.get(startRow + (direction * i));\n if (line && line.isWrapped) {\n wrappedRows++;\n }\n }\n\n return wrappedRows;\n}\n\n/**\n * Calculates the number of wrapped rows that make up a given row.\n * @param currentRow The row to determine how many wrapped rows make it up\n */\nfunction wrappedRowsForRow(bufferService: IBufferService, currentRow: number): number {\n let rowCount = 0;\n let line = bufferService.buffer.lines.get(currentRow);\n let lineWraps = line && line.isWrapped;\n\n while (lineWraps && currentRow >= 0 && currentRow < bufferService.rows) {\n rowCount++;\n line = bufferService.buffer.lines.get(--currentRow);\n lineWraps = line && line.isWrapped;\n }\n\n return rowCount;\n}\n\n/**\n * Direction determiners\n */\n\n/**\n * Determines if the right or left arrow is needed\n */\nfunction horizontalDirection(startX: number, startY: number, targetX: number, targetY: number, bufferService: IBufferService, applicationCursor: boolean): Direction {\n let startRow;\n if (moveToRequestedRow(targetX, targetY, bufferService, applicationCursor).length > 0) {\n startRow = targetY - wrappedRowsForRow(bufferService, targetY);\n } else {\n startRow = startY;\n }\n\n if ((startX < targetX &&\n startRow <= targetY) || // down/right or same y/right\n (startX >= targetX &&\n startRow < targetY)) { // down/left or same y/left\n return Direction.RIGHT;\n }\n return Direction.LEFT;\n}\n\n/**\n * Determines if the up or down arrow is needed\n */\nfunction verticalDirection(startY: number, targetY: number): Direction {\n return startY > targetY ? Direction.UP : Direction.DOWN;\n}\n\n/**\n * Constructs the string of chars in the buffer from a starting row and col\n * to an ending row and col\n * @param startCol The starting column position\n * @param startRow The starting row position\n * @param endCol The ending column position\n * @param endRow The ending row position\n * @param forward Direction to move\n */\nfunction bufferLine(\n startCol: number,\n startRow: number,\n endCol: number,\n endRow: number,\n forward: boolean,\n bufferService: IBufferService\n): string {\n let currentCol = startCol;\n let currentRow = startRow;\n let bufferStr = '';\n\n while (currentCol !== endCol || currentRow !== endRow) {\n currentCol += forward ? 1 : -1;\n\n if (forward && currentCol > bufferService.cols - 1) {\n bufferStr += bufferService.buffer.translateBufferLineToString(\n currentRow, false, startCol, currentCol\n );\n currentCol = 0;\n startCol = 0;\n currentRow++;\n } else if (!forward && currentCol < 0) {\n bufferStr += bufferService.buffer.translateBufferLineToString(\n currentRow, false, 0, startCol + 1\n );\n currentCol = bufferService.cols - 1;\n startCol = currentCol;\n currentRow--;\n }\n }\n\n return bufferStr + bufferService.buffer.translateBufferLineToString(\n currentRow, false, startCol, currentCol\n );\n}\n\n/**\n * Constructs the escape sequence for clicking an arrow\n * @param direction The direction to move\n */\nfunction sequence(direction: Direction, applicationCursor: boolean): string {\n const mod = applicationCursor ? 'O' : '[';\n return C0.ESC + mod + direction;\n}\n\n/**\n * Returns a string repeated a given number of times\n * Polyfill from https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/repeat\n * @param count The number of times to repeat the string\n * @param string The string that is to be repeated\n */\nfunction repeat(count: number, str: string): string {\n count = Math.floor(count);\n let rpt = '';\n for (let i = 0; i < count; i++) {\n rpt += str;\n }\n return rpt;\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IOptionsService } from 'common/services/Services';\nimport { ISoundService } from 'browser/services/Services';\n\nexport class SoundService implements ISoundService {\n serviceBrand: any;\n\n private static _audioContext: AudioContext;\n\n static get audioContext(): AudioContext | null {\n if (!SoundService._audioContext) {\n const audioContextCtor: typeof AudioContext = (<any>window).AudioContext || (<any>window).webkitAudioContext;\n if (!audioContextCtor) {\n console.warn('Web Audio API is not supported by this browser. Consider upgrading to the latest version');\n return null;\n }\n SoundService._audioContext = new audioContextCtor();\n }\n return SoundService._audioContext;\n }\n\n constructor(\n @IOptionsService private _optionsService: IOptionsService\n ) {\n }\n\n public playBellSound(): void {\n const ctx = SoundService.audioContext;\n if (!ctx) {\n return;\n }\n const bellAudioSource = ctx.createBufferSource();\n ctx.decodeAudioData(this._base64ToArrayBuffer(this._removeMimeType(this._optionsService.options.bellSound)), (buffer) => {\n bellAudioSource.buffer = buffer;\n bellAudioSource.connect(ctx.destination);\n bellAudioSource.start(0);\n });\n }\n\n private _base64ToArrayBuffer(base64: string): ArrayBuffer {\n const binaryString = window.atob(base64);\n const len = binaryString.length;\n const bytes = new Uint8Array(len);\n\n for (let i = 0; i < len; i++) {\n bytes[i] = binaryString.charCodeAt(i);\n }\n\n return bytes.buffer;\n }\n\n private _removeMimeType(dataURI: string): string {\n // Split the input to get the mime-type and the data itself\n const splitUri = dataURI.split(',');\n\n // Return only the data\n return splitUri[1];\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { Disposable } from 'common/Lifecycle';\nimport { addDisposableDomListener } from 'browser/Lifecycle';\nimport { IMouseService, ISelectionService } from 'browser/services/Services';\nimport { IMouseZoneManager, IMouseZone } from 'browser/Types';\nimport { IBufferService } from 'common/services/Services';\n\nconst HOVER_DURATION = 500;\n\n/**\n * The MouseZoneManager allows components to register zones within the terminal\n * that trigger hover and click callbacks.\n *\n * This class was intentionally made not so robust initially as the only case it\n * needed to support was single-line links which never overlap. Improvements can\n * be made in the future.\n */\nexport class MouseZoneManager extends Disposable implements IMouseZoneManager {\n private _zones: IMouseZone[] = [];\n\n private _areZonesActive: boolean = false;\n private _mouseMoveListener: (e: MouseEvent) => any;\n private _mouseLeaveListener: (e: MouseEvent) => any;\n private _clickListener: (e: MouseEvent) => any;\n\n private _tooltipTimeout: number | undefined;\n private _currentZone: IMouseZone | undefined;\n private _lastHoverCoords: [number | undefined, number | undefined] = [undefined, undefined];\n private _initialSelectionLength: number = 0;\n\n constructor(\n private readonly _element: HTMLElement,\n private readonly _screenElement: HTMLElement,\n @IBufferService private readonly _bufferService: IBufferService,\n @IMouseService private readonly _mouseService: IMouseService,\n @ISelectionService private readonly _selectionService: ISelectionService\n ) {\n super();\n\n this.register(addDisposableDomListener(this._element, 'mousedown', e => this._onMouseDown(e)));\n\n // These events are expensive, only listen to it when mouse zones are active\n this._mouseMoveListener = e => this._onMouseMove(e);\n this._mouseLeaveListener = e => this._onMouseLeave(e);\n this._clickListener = e => this._onClick(e);\n }\n\n public dispose(): void {\n super.dispose();\n this._deactivate();\n }\n\n public add(zone: IMouseZone): void {\n this._zones.push(zone);\n if (this._zones.length === 1) {\n this._activate();\n }\n }\n\n public clearAll(start?: number, end?: number): void {\n // Exit if there's nothing to clear\n if (this._zones.length === 0) {\n return;\n }\n\n // Clear all if start/end weren't set\n if (!start || !end) {\n start = 0;\n end = this._bufferService.rows - 1;\n }\n\n // Iterate through zones and clear them out if they're within the range\n for (let i = 0; i < this._zones.length; i++) {\n const zone = this._zones[i];\n if ((zone.y1 > start && zone.y1 <= end + 1) ||\n (zone.y2 > start && zone.y2 <= end + 1) ||\n (zone.y1 < start && zone.y2 > end + 1)) {\n if (this._currentZone && this._currentZone === zone) {\n this._currentZone.leaveCallback();\n this._currentZone = undefined;\n }\n this._zones.splice(i--, 1);\n }\n }\n\n // Deactivate the mouse zone manager if all the zones have been removed\n if (this._zones.length === 0) {\n this._deactivate();\n }\n }\n\n private _activate(): void {\n if (!this._areZonesActive) {\n this._areZonesActive = true;\n this._element.addEventListener('mousemove', this._mouseMoveListener);\n this._element.addEventListener('mouseleave', this._mouseLeaveListener);\n this._element.addEventListener('click', this._clickListener);\n }\n }\n\n private _deactivate(): void {\n if (this._areZonesActive) {\n this._areZonesActive = false;\n this._element.removeEventListener('mousemove', this._mouseMoveListener);\n this._element.removeEventListener('mouseleave', this._mouseLeaveListener);\n this._element.removeEventListener('click', this._clickListener);\n }\n }\n\n private _onMouseMove(e: MouseEvent): void {\n // TODO: Ideally this would only clear the hover state when the mouse moves\n // outside of the mouse zone\n if (this._lastHoverCoords[0] !== e.pageX || this._lastHoverCoords[1] !== e.pageY) {\n this._onHover(e);\n // Record the current coordinates\n this._lastHoverCoords = [e.pageX, e.pageY];\n }\n }\n\n private _onHover(e: MouseEvent): void {\n const zone = this._findZoneEventAt(e);\n\n // Do nothing if the zone is the same\n if (zone === this._currentZone) {\n return;\n }\n\n // Fire the hover end callback and cancel any existing timer if a new zone\n // is being hovered\n if (this._currentZone) {\n this._currentZone.leaveCallback();\n this._currentZone = undefined;\n if (this._tooltipTimeout) {\n clearTimeout(this._tooltipTimeout);\n }\n }\n\n // Exit if there is not zone\n if (!zone) {\n return;\n }\n this._currentZone = zone;\n\n // Trigger the hover callback\n if (zone.hoverCallback) {\n zone.hoverCallback(e);\n }\n\n // Restart the tooltip timeout\n this._tooltipTimeout = <number><any>setTimeout(() => this._onTooltip(e), HOVER_DURATION);\n }\n\n private _onTooltip(e: MouseEvent): void {\n this._tooltipTimeout = undefined;\n const zone = this._findZoneEventAt(e);\n if (zone && zone.tooltipCallback) {\n zone.tooltipCallback(e);\n }\n }\n\n private _onMouseDown(e: MouseEvent): void {\n // Store current terminal selection length, to check if we're performing\n // a selection operation\n this._initialSelectionLength = this._getSelectionLength();\n\n // Ignore the event if there are no zones active\n if (!this._areZonesActive) {\n return;\n }\n\n // Find the active zone, prevent event propagation if found to prevent other\n // components from handling the mouse event.\n const zone = this._findZoneEventAt(e);\n if (zone?.willLinkActivate(e)) {\n e.preventDefault();\n e.stopImmediatePropagation();\n }\n }\n\n private _onMouseLeave(e: MouseEvent): void {\n // Fire the hover end callback and cancel any existing timer if the mouse\n // leaves the terminal element\n if (this._currentZone) {\n this._currentZone.leaveCallback();\n this._currentZone = undefined;\n if (this._tooltipTimeout) {\n clearTimeout(this._tooltipTimeout);\n }\n }\n }\n\n private _onClick(e: MouseEvent): void {\n // Find the active zone and click it if found and no selection was\n // being performed\n const zone = this._findZoneEventAt(e);\n const currentSelectionLength = this._getSelectionLength();\n\n if (zone && currentSelectionLength === this._initialSelectionLength) {\n zone.clickCallback(e);\n e.preventDefault();\n e.stopImmediatePropagation();\n }\n }\n\n private _getSelectionLength(): number {\n const selectionText = this._selectionService.selectionText;\n return selectionText ? selectionText.length : 0;\n }\n\n private _findZoneEventAt(e: MouseEvent): IMouseZone | undefined {\n const coords = this._mouseService.getCoords(e, this._screenElement, this._bufferService.cols, this._bufferService.rows);\n if (!coords) {\n return undefined;\n }\n const x = coords[0];\n const y = coords[1];\n for (let i = 0; i < this._zones.length; i++) {\n const zone = this._zones[i];\n if (zone.y1 === zone.y2) {\n // Single line link\n if (y === zone.y1 && x >= zone.x1 && x < zone.x2) {\n return zone;\n }\n } else {\n // Multi-line link\n if ((y === zone.y1 && x >= zone.x1) ||\n (y === zone.y2 && x < zone.x2) ||\n (y > zone.y1 && y < zone.y2)) {\n return zone;\n }\n }\n }\n return undefined;\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport * as Strings from './browser/LocalizableStrings';\nimport { ITerminal } from './Types';\nimport { IBuffer } from 'common/buffer/Types';\nimport { isMac } from 'common/Platform';\nimport { RenderDebouncer } from 'browser/RenderDebouncer';\nimport { addDisposableDomListener } from 'browser/Lifecycle';\nimport { Disposable } from 'common/Lifecycle';\nimport { ScreenDprMonitor } from 'browser/ScreenDprMonitor';\nimport { IRenderService } from 'browser/services/Services';\n\nconst MAX_ROWS_TO_READ = 20;\n\nconst enum BoundaryPosition {\n TOP,\n BOTTOM\n}\n\nexport class AccessibilityManager extends Disposable {\n private _accessibilityTreeRoot: HTMLElement;\n private _rowContainer: HTMLElement;\n private _rowElements: HTMLElement[];\n private _liveRegion: HTMLElement;\n private _liveRegionLineCount: number = 0;\n\n private _renderRowsDebouncer: RenderDebouncer;\n private _screenDprMonitor: ScreenDprMonitor;\n\n private _topBoundaryFocusListener: (e: FocusEvent) => void;\n private _bottomBoundaryFocusListener: (e: FocusEvent) => void;\n\n /**\n * This queue has a character pushed to it for keys that are pressed, if the\n * next character added to the terminal is equal to the key char then it is\n * not announced (added to live region) because it has already been announced\n * by the textarea event (which cannot be canceled). There are some race\n * condition cases if there is typing while data is streaming, but this covers\n * the main case of typing into the prompt and inputting the answer to a\n * question (Y/N, etc.).\n */\n private _charsToConsume: string[] = [];\n\n private _charsToAnnounce: string = '';\n\n constructor(\n private readonly _terminal: ITerminal,\n private readonly _renderService: IRenderService\n ) {\n super();\n this._accessibilityTreeRoot = document.createElement('div');\n this._accessibilityTreeRoot.classList.add('xterm-accessibility');\n\n this._rowContainer = document.createElement('div');\n this._rowContainer.classList.add('xterm-accessibility-tree');\n this._rowElements = [];\n for (let i = 0; i < this._terminal.rows; i++) {\n this._rowElements[i] = this._createAccessibilityTreeNode();\n this._rowContainer.appendChild(this._rowElements[i]);\n }\n\n this._topBoundaryFocusListener = e => this._onBoundaryFocus(e, BoundaryPosition.TOP);\n this._bottomBoundaryFocusListener = e => this._onBoundaryFocus(e, BoundaryPosition.BOTTOM);\n this._rowElements[0].addEventListener('focus', this._topBoundaryFocusListener);\n this._rowElements[this._rowElements.length - 1].addEventListener('focus', this._bottomBoundaryFocusListener);\n\n this._refreshRowsDimensions();\n this._accessibilityTreeRoot.appendChild(this._rowContainer);\n\n this._renderRowsDebouncer = new RenderDebouncer(this._renderRows.bind(this));\n this._refreshRows();\n\n this._liveRegion = document.createElement('div');\n this._liveRegion.classList.add('live-region');\n this._liveRegion.setAttribute('aria-live', 'assertive');\n this._accessibilityTreeRoot.appendChild(this._liveRegion);\n\n this._terminal.element.insertAdjacentElement('afterbegin', this._accessibilityTreeRoot);\n\n this.register(this._renderRowsDebouncer);\n this.register(this._terminal.onResize(e => this._onResize(e.rows)));\n this.register(this._terminal.onRender(e => this._refreshRows(e.start, e.end)));\n this.register(this._terminal.onScroll(() => this._refreshRows()));\n // Line feed is an issue as the prompt won't be read out after a command is run\n this.register(this._terminal.onA11yChar(char => this._onChar(char)));\n this.register(this._terminal.onLineFeed(() => this._onChar('\\n')));\n this.register(this._terminal.onA11yTab(spaceCount => this._onTab(spaceCount)));\n this.register(this._terminal.onKey(e => this._onKey(e.key)));\n this.register(this._terminal.onBlur(() => this._clearLiveRegion()));\n this.register(this._renderService.onDimensionsChange(() => this._refreshRowsDimensions()));\n\n this._screenDprMonitor = new ScreenDprMonitor();\n this.register(this._screenDprMonitor);\n this._screenDprMonitor.setListener(() => this._refreshRowsDimensions());\n // This shouldn't be needed on modern browsers but is present in case the\n // media query that drives the ScreenDprMonitor isn't supported\n this.register(addDisposableDomListener(window, 'resize', () => this._refreshRowsDimensions()));\n }\n\n public dispose(): void {\n super.dispose();\n this._terminal.element.removeChild(this._accessibilityTreeRoot);\n this._rowElements.length = 0;\n }\n\n private _onBoundaryFocus(e: FocusEvent, position: BoundaryPosition): void {\n const boundaryElement = <HTMLElement>e.target;\n const beforeBoundaryElement = this._rowElements[position === BoundaryPosition.TOP ? 1 : this._rowElements.length - 2];\n\n // Don't scroll if the buffer top has reached the end in that direction\n const posInSet = boundaryElement.getAttribute('aria-posinset');\n const lastRowPos = position === BoundaryPosition.TOP ? '1' : `${this._terminal.buffer.lines.length}`;\n if (posInSet === lastRowPos) {\n return;\n }\n\n // Don't scroll when the last focused item was not the second row (focus is going the other\n // direction)\n if (e.relatedTarget !== beforeBoundaryElement) {\n return;\n }\n\n // Remove old boundary element from array\n let topBoundaryElement: HTMLElement;\n let bottomBoundaryElement: HTMLElement;\n if (position === BoundaryPosition.TOP) {\n topBoundaryElement = boundaryElement;\n bottomBoundaryElement = this._rowElements.pop()!;\n this._rowContainer.removeChild(bottomBoundaryElement);\n } else {\n topBoundaryElement = this._rowElements.shift()!;\n bottomBoundaryElement = boundaryElement;\n this._rowContainer.removeChild(topBoundaryElement);\n }\n\n // Remove listeners from old boundary elements\n topBoundaryElement.removeEventListener('focus', this._topBoundaryFocusListener);\n bottomBoundaryElement.removeEventListener('focus', this._bottomBoundaryFocusListener);\n\n // Add new element to array/DOM\n if (position === BoundaryPosition.TOP) {\n const newElement = this._createAccessibilityTreeNode();\n this._rowElements.unshift(newElement);\n this._rowContainer.insertAdjacentElement('afterbegin', newElement);\n } else {\n const newElement = this._createAccessibilityTreeNode();\n this._rowElements.push(newElement);\n this._rowContainer.appendChild(newElement);\n }\n\n // Add listeners to new boundary elements\n this._rowElements[0].addEventListener('focus', this._topBoundaryFocusListener);\n this._rowElements[this._rowElements.length - 1].addEventListener('focus', this._bottomBoundaryFocusListener);\n\n // Scroll up\n this._terminal.scrollLines(position === BoundaryPosition.TOP ? -1 : 1);\n\n // Focus new boundary before element\n this._rowElements[position === BoundaryPosition.TOP ? 1 : this._rowElements.length - 2].focus();\n\n // Prevent the standard behavior\n e.preventDefault();\n e.stopImmediatePropagation();\n }\n\n private _onResize(rows: number): void {\n // Remove bottom boundary listener\n this._rowElements[this._rowElements.length - 1].removeEventListener('focus', this._bottomBoundaryFocusListener);\n\n // Grow rows as required\n for (let i = this._rowContainer.children.length; i < this._terminal.rows; i++) {\n this._rowElements[i] = this._createAccessibilityTreeNode();\n this._rowContainer.appendChild(this._rowElements[i]);\n }\n // Shrink rows as required\n while (this._rowElements.length > rows) {\n this._rowContainer.removeChild(this._rowElements.pop()!);\n }\n\n // Add bottom boundary listener\n this._rowElements[this._rowElements.length - 1].addEventListener('focus', this._bottomBoundaryFocusListener);\n\n this._refreshRowsDimensions();\n }\n\n private _createAccessibilityTreeNode(): HTMLElement {\n const element = document.createElement('div');\n element.setAttribute('role', 'listitem');\n element.tabIndex = -1;\n this._refreshRowDimensions(element);\n return element;\n }\n\n private _onTab(spaceCount: number): void {\n for (let i = 0; i < spaceCount; i++) {\n this._onChar(' ');\n }\n }\n\n private _onChar(char: string): void {\n if (this._liveRegionLineCount < MAX_ROWS_TO_READ + 1) {\n if (this._charsToConsume.length > 0) {\n // Have the screen reader ignore the char if it was just input\n const shiftedChar = this._charsToConsume.shift();\n if (shiftedChar !== char) {\n this._charsToAnnounce += char;\n }\n } else {\n this._charsToAnnounce += char;\n }\n\n if (char === '\\n') {\n this._liveRegionLineCount++;\n if (this._liveRegionLineCount === MAX_ROWS_TO_READ + 1) {\n this._liveRegion.textContent += Strings.tooMuchOutput;\n }\n }\n\n // Only detach/attach on mac as otherwise messages can go unaccounced\n if (isMac) {\n if (this._liveRegion.textContent && this._liveRegion.textContent.length > 0 && !this._liveRegion.parentNode) {\n setTimeout(() => {\n this._accessibilityTreeRoot.appendChild(this._liveRegion);\n }, 0);\n }\n }\n }\n }\n\n private _clearLiveRegion(): void {\n this._liveRegion.textContent = '';\n this._liveRegionLineCount = 0;\n\n // Only detach/attach on mac as otherwise messages can go unaccounced\n if (isMac) {\n if (this._liveRegion.parentNode) {\n this._accessibilityTreeRoot.removeChild(this._liveRegion);\n }\n }\n }\n\n private _onKey(keyChar: string): void {\n this._clearLiveRegion();\n this._charsToConsume.push(keyChar);\n }\n\n private _refreshRows(start?: number, end?: number): void {\n this._renderRowsDebouncer.refresh(start, end, this._terminal.rows);\n }\n\n private _renderRows(start: number, end: number): void {\n const buffer: IBuffer = this._terminal.buffer;\n const setSize = buffer.lines.length.toString();\n for (let i = start; i <= end; i++) {\n const lineData = buffer.translateBufferLineToString(buffer.ydisp + i, true);\n const posInSet = (buffer.ydisp + i + 1).toString();\n const element = this._rowElements[i];\n if (element) {\n if (lineData.length === 0) {\n element.innerHTML = ' ';\n } else {\n element.textContent = lineData;\n }\n element.setAttribute('aria-posinset', posInSet);\n element.setAttribute('aria-setsize', setSize);\n }\n }\n this._announceCharacters();\n }\n\n private _refreshRowsDimensions(): void {\n if (!this._renderService.dimensions.actualCellHeight) {\n return;\n }\n if (this._rowElements.length !== this._terminal.rows) {\n this._onResize(this._terminal.rows);\n }\n for (let i = 0; i < this._terminal.rows; i++) {\n this._refreshRowDimensions(this._rowElements[i]);\n }\n }\n\n private _refreshRowDimensions(element: HTMLElement): void {\n element.style.height = `${this._renderService.dimensions.actualCellHeight}px`;\n }\n\n private _announceCharacters(): void {\n if (this._charsToAnnounce.length === 0) {\n return;\n }\n this._liveRegion.textContent += this._charsToAnnounce;\n this._charsToAnnounce = '';\n }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IRenderer, IRenderDimensions, CharacterJoinerHandler, IRequestRefreshRowsEvent } from 'browser/renderer/Types';\nimport { BOLD_CLASS, ITALIC_CLASS, CURSOR_CLASS, CURSOR_STYLE_BLOCK_CLASS, CURSOR_BLINK_CLASS, CURSOR_STYLE_BAR_CLASS, CURSOR_STYLE_UNDERLINE_CLASS, DomRendererRowFactory } from 'browser/renderer/dom/DomRendererRowFactory';\nimport { INVERTED_DEFAULT_COLOR } from 'browser/renderer/atlas/Constants';\nimport { Disposable } from 'common/Lifecycle';\nimport { IColorSet, ILinkifierEvent, ILinkifier } from 'browser/Types';\nimport { ICharSizeService } from 'browser/services/Services';\nimport { IOptionsService, IBufferService } from 'common/services/Services';\nimport { EventEmitter, IEvent } from 'common/EventEmitter';\nimport { opaque } from 'browser/Color';\n\nconst TERMINAL_CLASS_PREFIX = 'xterm-dom-renderer-owner-';\nconst ROW_CONTAINER_CLASS = 'xterm-rows';\nconst FG_CLASS_PREFIX = 'xterm-fg-';\nconst BG_CLASS_PREFIX = 'xterm-bg-';\nconst FOCUS_CLASS = 'xterm-focus';\nconst SELECTION_CLASS = 'xterm-selection';\n\nlet nextTerminalId = 1;\n\n/**\n * A fallback renderer for when canvas is slow. This is not meant to be\n * particularly fast or feature complete, more just stable and usable for when\n * canvas is not an option.\n */\nexport class DomRenderer extends Disposable implements IRenderer {\n private _rowFactory: DomRendererRowFactory;\n private _terminalClass: number = nextTerminalId++;\n\n private _themeStyleElement!: HTMLStyleElement;\n private _dimensionsStyleElement!: HTMLStyleElement;\n private _rowContainer: HTMLElement;\n private _rowElements: HTMLElement[] = [];\n private _selectionContainer: HTMLElement;\n\n public dimensions: IRenderDimensions;\n\n private _onRequestRefreshRows = new EventEmitter<IRequestRefreshRowsEvent>();\n public get onRequestRefreshRows(): IEvent<IRequestRefreshRowsEvent> { return this._onRequestRefreshRows.event; }\n\n constructor(\n private _colors: IColorSet,\n private readonly _element: HTMLElement,\n private readonly _screenElement: HTMLElement,\n private readonly _viewportElement: HTMLElement,\n private readonly _linkifier: ILinkifier,\n @ICharSizeService private readonly _charSizeService: ICharSizeService,\n @IOptionsService private readonly _optionsService: IOptionsService,\n @IBufferService private readonly _bufferService: IBufferService\n ) {\n super();\n\n this._rowContainer = document.createElement('div');\n this._rowContainer.classList.add(ROW_CONTAINER_CLASS);\n this._rowContainer.style.lineHeight = 'normal';\n this._rowContainer.setAttribute('aria-hidden', 'true');\n this._refreshRowElements(this._bufferService.cols, this._bufferService.rows);\n this._selectionContainer = document.createElement('div');\n this._selectionContainer.classList.add(SELECTION_CLASS);\n this._selectionContainer.setAttribute('aria-hidden', 'true');\n\n this.dimensions = {\n scaledCharWidth: 0,\n scaledCharHeight: 0,\n scaledCellWidth: 0,\n scaledCellHeight: 0,\n scaledCharLeft: 0,\n scaledCharTop: 0,\n scaledCanvasWidth: 0,\n scaledCanvasHeight: 0,\n canvasWidth: 0,\n canvasHeight: 0,\n actualCellWidth: 0,\n actualCellHeight: 0\n };\n this._updateDimensions();\n this._injectCss();\n\n this._rowFactory = new DomRendererRowFactory(document, this._optionsService, this._colors);\n\n this._element.classList.add(TERMINAL_CLASS_PREFIX + this._terminalClass);\n this._screenElement.appendChild(this._rowContainer);\n this._screenElement.appendChild(this._selectionContainer);\n\n this._linkifier.onLinkHover(e => this._onLinkHover(e));\n this._linkifier.onLinkLeave(e => this._onLinkLeave(e));\n }\n\n public dispose(): void {\n this._element.classList.remove(TERMINAL_CLASS_PREFIX + this._terminalClass);\n this._screenElement.removeChild(this._rowContainer);\n this._screenElement.removeChild(this._selectionContainer);\n this._screenElement.removeChild(this._themeStyleElement);\n this._screenElement.removeChild(this._dimensionsStyleElement);\n super.dispose();\n }\n\n private _updateDimensions(): void {\n this.dimensions.scaledCharWidth = this._charSizeService.width * window.devicePixelRatio;\n this.dimensions.scaledCharHeight = Math.ceil(this._charSizeService.height * window.devicePixelRatio);\n this.dimensions.scaledCellWidth = this.dimensions.scaledCharWidth + Math.round(this._optionsService.options.letterSpacing);\n this.dimensions.scaledCellHeight = Math.floor(this.dimensions.scaledCharHeight * this._optionsService.options.lineHeight);\n this.dimensions.scaledCharLeft = 0;\n this.dimensions.scaledCharTop = 0;\n this.dimensions.scaledCanvasWidth = this.dimensions.scaledCellWidth * this._bufferService.cols;\n this.dimensions.scaledCanvasHeight = this.dimensions.scaledCellHeight * this._bufferService.rows;\n this.dimensions.canvasWidth = Math.round(this.dimensions.scaledCanvasWidth / window.devicePixelRatio);\n this.dimensions.canvasHeight = Math.round(this.dimensions.scaledCanvasHeight / window.devicePixelRatio);\n this.dimensions.actualCellWidth = this.dimensions.canvasWidth / this._bufferService.cols;\n this.dimensions.actualCellHeight = this.dimensions.canvasHeight / this._bufferService.rows;\n\n this._rowElements.forEach(element => {\n element.style.width = `${this.dimensions.canvasWidth}px`;\n element.style.height = `${this.dimensions.actualCellHeight}px`;\n element.style.lineHeight = `${this.dimensions.actualCellHeight}px`;\n // Make sure rows don't overflow onto following row\n element.style.overflow = 'hidden';\n });\n\n if (!this._dimensionsStyleElement) {\n this._dimensionsStyleElement = document.createElement('style');\n this._screenElement.appendChild(this._dimensionsStyleElement);\n }\n\n const styles =\n `${this._terminalSelector} .${ROW_CONTAINER_CLASS} span {` +\n ` display: inline-block;` +\n ` height: 100%;` +\n ` vertical-align: top;` +\n ` width: ${this.dimensions.actualCellWidth}px` +\n `}`;\n\n this._dimensionsStyleElement.innerHTML = styles;\n\n this._selectionContainer.style.height = this._viewportElement.style.height;\n this._screenElement.style.width = `${this.dimensions.canvasWidth}px`;\n this._screenElement.style.height = `${this.dimensions.canvasHeight}px`;\n }\n\n public setColors(colors: IColorSet): void {\n this._colors = colors;\n this._injectCss();\n }\n\n private _injectCss(): void {\n if (!this._themeStyleElement) {\n this._themeStyleElement = document.createElement('style');\n this._screenElement.appendChild(this._themeStyleElement);\n }\n\n // Base CSS\n let styles =\n `${this._terminalSelector} .${ROW_CONTAINER_CLASS} {` +\n ` color: ${this._colors.foreground.css};` +\n ` background-color: ${this._colors.background.css};` +\n ` font-family: ${this._optionsService.options.fontFamily};` +\n ` font-size: ${this._optionsService.options.fontSize}px;` +\n `}`;\n // Text styles\n styles +=\n `${this._terminalSelector} span:not(.${BOLD_CLASS}) {` +\n ` font-weight: ${this._optionsService.options.fontWeight};` +\n `}` +\n `${this._terminalSelector} span.${BOLD_CLASS} {` +\n ` font-weight: ${this._optionsService.options.fontWeightBold};` +\n `}` +\n `${this._terminalSelector} span.${ITALIC_CLASS} {` +\n ` font-style: italic;` +\n `}`;\n // Blink animation\n styles +=\n `@keyframes blink_box_shadow {` +\n ` 50% {` +\n ` box-shadow: none;` +\n ` }` +\n `}`;\n styles +=\n `@keyframes blink_block {` +\n ` 0% {` +\n ` background-color: ${this._colors.cursor.css};` +\n ` color: ${this._colors.cursorAccent.css};` +\n ` }` +\n ` 50% {` +\n ` background-color: ${this._colors.cursorAccent.css};` +\n ` color: ${this._colors.cursor.css};` +\n ` }` +\n `}`;\n // Cursor\n styles +=\n `${this._terminalSelector} .${ROW_CONTAINER_CLASS}:not(.${FOCUS_CLASS}) .${CURSOR_CLASS}.${CURSOR_STYLE_BLOCK_CLASS} {` +\n ` outline: 1px solid ${this._colors.cursor.css};` +\n ` outline-offset: -1px;` +\n `}` +\n `${this._terminalSelector} .${ROW_CONTAINER_CLASS}.${FOCUS_CLASS} .${CURSOR_CLASS}.${CURSOR_BLINK_CLASS}:not(.${CURSOR_STYLE_BLOCK_CLASS}) {` +\n ` animation: blink_box_shadow 1s step-end infinite;` +\n `}` +\n `${this._terminalSelector} .${ROW_CONTAINER_CLASS}.${FOCUS_CLASS} .${CURSOR_CLASS}.${CURSOR_BLINK_CLASS}.${CURSOR_STYLE_BLOCK_CLASS} {` +\n ` animation: blink_block 1s step-end infinite;` +\n `}` +\n `${this._terminalSelector} .${ROW_CONTAINER_CLASS}.${FOCUS_CLASS} .${CURSOR_CLASS}.${CURSOR_STYLE_BLOCK_CLASS} {` +\n ` background-color: ${this._colors.cursor.css};` +\n ` color: ${this._colors.cursorAccent.css};` +\n `}` +\n `${this._terminalSelector} .${ROW_CONTAINER_CLASS} .${CURSOR_CLASS}.${CURSOR_STYLE_BAR_CLASS} {` +\n ` box-shadow: 1px 0 0 ${this._colors.cursor.css} inset;` +\n `}` +\n `${this._terminalSelector} .${ROW_CONTAINER_CLASS} .${CURSOR_CLASS}.${CURSOR_STYLE_UNDERLINE_CLASS} {` +\n ` box-shadow: 0 -1px 0 ${this._colors.cursor.css} inset;` +\n `}`;\n // Selection\n styles +=\n `${this._terminalSelector} .${SELECTION_CLASS} {` +\n ` position: absolute;` +\n ` top: 0;` +\n ` left: 0;` +\n ` z-index: 1;` +\n ` pointer-events: none;` +\n `}` +\n `${this._terminalSelector} .${SELECTION_CLASS} div {` +\n ` position: absolute;` +\n ` background-color: ${this._colors.selection.css};` +\n `}`;\n // Colors\n this._colors.ansi.forEach((c, i) => {\n styles +=\n `${this._terminalSelector} .${FG_CLASS_PREFIX}${i} { color: ${c.css}; }` +\n `${this._terminalSelector} .${BG_CLASS_PREFIX}${i} { background-color: ${c.css}; }`;\n });\n styles +=\n `${this._terminalSelector} .${FG_CLASS_PREFIX}${INVERTED_DEFAULT_COLOR} { color: ${opaque(this._colors.background).css}; }` +\n `${this._terminalSelector} .${BG_CLASS_PREFIX}${INVERTED_DEFAULT_COLOR} { background-color: ${this._colors.foreground.css}; }`;\n\n this._themeStyleElement.innerHTML = styles;\n }\n\n public onDevicePixelRatioChange(): void {\n this._updateDimensions();\n }\n\n private _refreshRowElements(cols: number, rows: number): void {\n // Add missing elements\n for (let i = this._rowElements.length; i <= rows; i++) {\n const row = document.createElement('div');\n this._rowContainer.appendChild(row);\n this._rowElements.push(row);\n }\n // Remove excess elements\n while (this._rowElements.length > rows) {\n this._rowContainer.removeChild(this._rowElements.pop()!);\n }\n }\n\n public onResize(cols: number, rows: number): void {\n this._refreshRowElements(cols, rows);\n this._updateDimensions();\n }\n\n public onCharSizeChanged(): void {\n this._updateDimensions();\n }\n\n public onBlur(): void {\n this._rowContainer.classList.remove(FOCUS_CLASS);\n }\n\n public onFocus(): void {\n this._rowContainer.classList.add(FOCUS_CLASS);\n }\n\n public onSelectionChanged(start: [number, number], end: [number, number], columnSelectMode: boolean): void {\n // Remove all selections\n while (this._selectionContainer.children.length) {\n this._selectionContainer.removeChild(this._selectionContainer.children[0]);\n }\n\n // Selection does not exist\n if (!start || !end) {\n return;\n }\n\n // Translate from buffer position to viewport position\n const viewportStartRow = start[1] - this._bufferService.buffer.ydisp;\n const viewportEndRow = end[1] - this._bufferService.buffer.ydisp;\n const viewportCappedStartRow = Math.max(viewportStartRow, 0);\n const viewportCappedEndRow = Math.min(viewportEndRow, this._bufferService.rows - 1);\n\n // No need to draw the selection\n if (viewportCappedStartRow >= this._bufferService.rows || viewportCappedEndRow < 0) {\n return;\n }\n\n // Create the selections\n const documentFragment = document.createDocumentFragment();\n\n if (columnSelectMode) {\n documentFragment.appendChild(\n this._createSelectionElement(viewportCappedStartRow, start[0], end[0], viewportCappedEndRow - viewportCappedStartRow + 1)\n );\n } else {\n // Draw first row\n const startCol = viewportStartRow === viewportCappedStartRow ? start[0] : 0;\n const endCol = viewportCappedStartRow === viewportCappedEndRow ? end[0] : this._bufferService.cols;\n documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow, startCol, endCol));\n // Draw middle rows\n const middleRowsCount = viewportCappedEndRow - viewportCappedStartRow - 1;\n documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow + 1, 0, this._bufferService.cols, middleRowsCount));\n // Draw final row\n if (viewportCappedStartRow !== viewportCappedEndRow) {\n // Only draw viewportEndRow if it's not the same as viewporttartRow\n const endCol = viewportEndRow === viewportCappedEndRow ? end[0] : this._bufferService.cols;\n documentFragment.appendChild(this._createSelectionElement(viewportCappedEndRow, 0, endCol));\n }\n }\n this._selectionContainer.appendChild(documentFragment);\n }\n\n /**\n * Creates a selection element at the specified position.\n * @param row The row of the selection.\n * @param colStart The start column.\n * @param colEnd The end columns.\n */\n private _createSelectionElement(row: number, colStart: number, colEnd: number, rowCount: number = 1): HTMLElement {\n const element = document.createElement('div');\n element.style.height = `${rowCount * this.dimensions.actualCellHeight}px`;\n element.style.top = `${row * this.dimensions.actualCellHeight}px`;\n element.style.left = `${colStart * this.dimensions.actualCellWidth}px`;\n element.style.width = `${this.dimensions.actualCellWidth * (colEnd - colStart)}px`;\n return element;\n }\n\n public onCursorMove(): void {\n // No-op, the cursor is drawn when rows are drawn\n }\n\n public onOptionsChanged(): void {\n // Force a refresh\n this._updateDimensions();\n this._injectCss();\n }\n\n public clear(): void {\n this._rowElements.forEach(e => e.innerHTML = '');\n }\n\n public renderRows(start: number, end: number): void {\n const cursorAbsoluteY = this._bufferService.buffer.ybase + this._bufferService.buffer.y;\n const cursorX = this._bufferService.buffer.x;\n const cursorBlink = this._optionsService.options.cursorBlink;\n\n for (let y = start; y <= end; y++) {\n const rowElement = this._rowElements[y];\n rowElement.innerHTML = '';\n\n const row = y + this._bufferService.buffer.ydisp;\n const lineData = this._bufferService.buffer.lines.get(row);\n const cursorStyle = this._optionsService.options.cursorStyle;\n rowElement.appendChild(this._rowFactory.createRow(lineData!, row === cursorAbsoluteY, cursorStyle, cursorX, cursorBlink, this.dimensions.actualCellWidth, this._bufferService.cols));\n }\n }\n\n private get _terminalSelector(): string {\n return `.${TERMINAL_CLASS_PREFIX}${this._terminalClass}`;\n }\n\n public registerCharacterJoiner(handler: CharacterJoinerHandler): number { return -1; }\n public deregisterCharacterJoiner(joinerId: number): boolean { return false; }\n\n private _onLinkHover(e: ILinkifierEvent): void {\n this._setCellUnderline(e.x1, e.x2, e.y1, e.y2, e.cols, true);\n }\n\n private _onLinkLeave(e: ILinkifierEvent): void {\n this._setCellUnderline(e.x1, e.x2, e.y1, e.y2, e.cols, false);\n }\n\n private _setCellUnderline(x: number, x2: number, y: number, y2: number, cols: number, enabled: boolean): void {\n while (x !== x2 || y !== y2) {\n const row = this._rowElements[y];\n if (!row) {\n return;\n }\n const span = <HTMLElement>row.children[x];\n if (span) {\n span.style.textDecoration = enabled ? 'underline' : 'none';\n }\n if (++x >= cols) {\n x = 0;\n y++;\n }\n }\n }\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IBufferLine } from 'common/Types';\nimport { INVERTED_DEFAULT_COLOR } from 'browser/renderer/atlas/Constants';\nimport { NULL_CELL_CODE, WHITESPACE_CELL_CHAR, Attributes } from 'common/buffer/Constants';\nimport { CellData } from 'common/buffer/CellData';\nimport { IOptionsService } from 'common/services/Services';\nimport { ensureContrastRatio, rgbaToColor } from 'browser/Color';\nimport { IColorSet, IColor } from 'browser/Types';\n\nexport const BOLD_CLASS = 'xterm-bold';\nexport const DIM_CLASS = 'xterm-dim';\nexport const ITALIC_CLASS = 'xterm-italic';\nexport const UNDERLINE_CLASS = 'xterm-underline';\nexport const CURSOR_CLASS = 'xterm-cursor';\nexport const CURSOR_BLINK_CLASS = 'xterm-cursor-blink';\nexport const CURSOR_STYLE_BLOCK_CLASS = 'xterm-cursor-block';\nexport const CURSOR_STYLE_BAR_CLASS = 'xterm-cursor-bar';\nexport const CURSOR_STYLE_UNDERLINE_CLASS = 'xterm-cursor-underline';\n\nexport class DomRendererRowFactory {\n private _workCell: CellData = new CellData();\n\n constructor(\n private readonly _document: Document,\n private readonly _optionsService: IOptionsService,\n private _colors: IColorSet\n ) {\n }\n\n public setColors(colors: IColorSet): void {\n this._colors = colors;\n }\n\n public createRow(lineData: IBufferLine, isCursorRow: boolean, cursorStyle: string | undefined, cursorX: number, cursorBlink: boolean, cellWidth: number, cols: number): DocumentFragment {\n const fragment = this._document.createDocumentFragment();\n\n // Find the line length first, this prevents the need to output a bunch of\n // empty cells at the end. This cannot easily be integrated into the main\n // loop below because of the colCount feature (which can be removed after we\n // properly support reflow and disallow data to go beyond the right-side of\n // the viewport).\n let lineLength = 0;\n for (let x = Math.min(lineData.length, cols) - 1; x >= 0; x--) {\n if (lineData.loadCell(x, this._workCell).getCode() !== NULL_CELL_CODE || (isCursorRow && x === cursorX)) {\n lineLength = x + 1;\n break;\n }\n }\n\n for (let x = 0; x < lineLength; x++) {\n lineData.loadCell(x, this._workCell);\n const width = this._workCell.getWidth();\n\n // The character to the left is a wide character, drawing is owned by the char at x-1\n if (width === 0) {\n continue;\n }\n\n const charElement = this._document.createElement('span');\n if (width > 1) {\n charElement.style.width = `${cellWidth * width}px`;\n }\n\n if (isCursorRow && x === cursorX) {\n charElement.classList.add(CURSOR_CLASS);\n\n if (cursorBlink) {\n charElement.classList.add(CURSOR_BLINK_CLASS);\n }\n\n switch (cursorStyle) {\n case 'bar':\n charElement.classList.add(CURSOR_STYLE_BAR_CLASS);\n break;\n case 'underline':\n charElement.classList.add(CURSOR_STYLE_UNDERLINE_CLASS);\n break;\n default:\n charElement.classList.add(CURSOR_STYLE_BLOCK_CLASS);\n break;\n }\n }\n\n if (this._workCell.isBold()) {\n charElement.classList.add(BOLD_CLASS);\n }\n\n if (this._workCell.isItalic()) {\n charElement.classList.add(ITALIC_CLASS);\n }\n\n if (this._workCell.isDim()) {\n charElement.classList.add(DIM_CLASS);\n }\n\n if (this._workCell.isUnderline()) {\n charElement.classList.add(UNDERLINE_CLASS);\n }\n\n charElement.textContent = this._workCell.getChars() || WHITESPACE_CELL_CHAR;\n\n let fg = this._workCell.getFgColor();\n let fgColorMode = this._workCell.getFgColorMode();\n let bg = this._workCell.getBgColor();\n let bgColorMode = this._workCell.getBgColorMode();\n const isInverse = !!this._workCell.isInverse();\n if (isInverse) {\n const temp = fg;\n fg = bg;\n bg = temp;\n const temp2 = fgColorMode;\n fgColorMode = bgColorMode;\n bgColorMode = temp2;\n }\n\n // Foreground\n switch (fgColorMode) {\n case Attributes.CM_P16:\n case Attributes.CM_P256:\n if (this._workCell.isBold() && fg < 8 && this._optionsService.options.drawBoldTextInBrightColors) {\n fg += 8;\n }\n if (!this._applyMinimumContrast(charElement, this._colors.background, this._colors.ansi[fg])) {\n charElement.classList.add(`xterm-fg-${fg}`);\n }\n break;\n case Attributes.CM_RGB:\n const color = rgbaToColor(\n (fg >> 16) & 0xFF,\n (fg >> 8) & 0xFF,\n (fg ) & 0xFF\n );\n if (!this._applyMinimumContrast(charElement, this._colors.background, color)) {\n this._addStyle(charElement, `color:#${padStart(fg.toString(16), '0', 6)}`);\n }\n break;\n case Attributes.CM_DEFAULT:\n default:\n if (!this._applyMinimumContrast(charElement, this._colors.background, this._colors.foreground)) {\n if (isInverse) {\n charElement.classList.add(`xterm-fg-${INVERTED_DEFAULT_COLOR}`);\n }\n }\n }\n\n // Background\n switch (bgColorMode) {\n case Attributes.CM_P16:\n case Attributes.CM_P256:\n charElement.classList.add(`xterm-bg-${bg}`);\n break;\n case Attributes.CM_RGB:\n this._addStyle(charElement, `background-color:#${padStart(bg.toString(16), '0', 6)}`);\n break;\n case Attributes.CM_DEFAULT:\n default:\n if (isInverse) {\n charElement.classList.add(`xterm-bg-${INVERTED_DEFAULT_COLOR}`);\n }\n }\n\n fragment.appendChild(charElement);\n }\n return fragment;\n }\n\n private _applyMinimumContrast(element: HTMLElement, bg: IColor, fg: IColor): boolean {\n if (this._optionsService.options.minimumContrastRatio === 1) {\n return false;\n }\n\n // Try get from cache first\n let adjustedColor = this._colors.contrastCache.getColor(this._workCell.bg, this._workCell.fg);\n\n // Calculate and store in cache\n if (adjustedColor === undefined) {\n adjustedColor = ensureContrastRatio(bg, fg, this._optionsService.options.minimumContrastRatio);\n this._colors.contrastCache.setColor(this._workCell.bg, this._workCell.fg, adjustedColor ?? null);\n }\n\n if (adjustedColor) {\n this._addStyle(element, `color:${adjustedColor.css}`);\n return true;\n }\n\n return false;\n }\n\n private _addStyle(element: HTMLElement, style: string): void {\n element.setAttribute('style', `${element.getAttribute('style') || ''}${style};`);\n }\n}\n\nfunction padStart(text: string, padChar: string, length: number): string {\n while (text.length < length) {\n text = padChar + text;\n }\n return text;\n}\n","/**\n * Copyright (c) 2014 The xterm.js authors. All rights reserved.\n * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)\n * @license MIT\n */\n\nimport { IKeyboardEvent, IKeyboardResult, KeyboardResultType } from 'common/Types';\nimport { C0 } from 'common/data/EscapeSequences';\n\n// reg + shift key mappings for digits and special chars\nconst KEYCODE_KEY_MAPPINGS: { [key: number]: [string, string]} = {\n // digits 0-9\n 48: ['0', ')'],\n 49: ['1', '!'],\n 50: ['2', '@'],\n 51: ['3', '#'],\n 52: ['4', '$'],\n 53: ['5', '%'],\n 54: ['6', '^'],\n 55: ['7', '&'],\n 56: ['8', '*'],\n 57: ['9', '('],\n\n // special chars\n 186: [';', ':'],\n 187: ['=', '+'],\n 188: [',', '<'],\n 189: ['-', '_'],\n 190: ['.', '>'],\n 191: ['/', '?'],\n 192: ['`', '~'],\n 219: ['[', '{'],\n 220: ['\\\\', '|'],\n 221: [']', '}'],\n 222: ['\\'', '\"']\n};\n\nexport function evaluateKeyboardEvent(\n ev: IKeyboardEvent,\n applicationCursorMode: boolean,\n isMac: boolean,\n macOptionIsMeta: boolean\n): IKeyboardResult {\n const result: IKeyboardResult = {\n type: KeyboardResultType.SEND_KEY,\n // Whether to cancel event propagation (NOTE: this may not be needed since the event is\n // canceled at the end of keyDown\n cancel: false,\n // The new key even to emit\n key: undefined\n };\n const modifiers = (ev.shiftKey ? 1 : 0) | (ev.altKey ? 2 : 0) | (ev.ctrlKey ? 4 : 0) | (ev.metaKey ? 8 : 0);\n switch (ev.keyCode) {\n case 0:\n if (ev.key === 'UIKeyInputUpArrow') {\n if (applicationCursorMode) {\n result.key = C0.ESC + 'OA';\n } else {\n result.key = C0.ESC + '[A';\n }\n }\n else if (ev.key === 'UIKeyInputLeftArrow') {\n if (applicationCursorMode) {\n result.key = C0.ESC + 'OD';\n } else {\n result.key = C0.ESC + '[D';\n }\n }\n else if (ev.key === 'UIKeyInputRightArrow') {\n if (applicationCursorMode) {\n result.key = C0.ESC + 'OC';\n } else {\n result.key = C0.ESC + '[C';\n }\n }\n else if (ev.key === 'UIKeyInputDownArrow') {\n if (applicationCursorMode) {\n result.key = C0.ESC + 'OB';\n } else {\n result.key = C0.ESC + '[B';\n }\n }\n break;\n case 8:\n // backspace\n if (ev.shiftKey) {\n result.key = C0.BS; // ^H\n break;\n } else if (ev.altKey) {\n result.key = C0.ESC + C0.DEL; // \\e ^?\n break;\n }\n result.key = C0.DEL; // ^?\n break;\n case 9:\n // tab\n if (ev.shiftKey) {\n result.key = C0.ESC + '[Z';\n break;\n }\n result.key = C0.HT;\n result.cancel = true;\n break;\n case 13:\n // return/enter\n result.key = C0.CR;\n result.cancel = true;\n break;\n case 27:\n // escape\n result.key = C0.ESC;\n result.cancel = true;\n break;\n case 37:\n // left-arrow\n if (ev.metaKey) {\n break;\n }\n if (modifiers) {\n result.key = C0.ESC + '[1;' + (modifiers + 1) + 'D';\n // HACK: Make Alt + left-arrow behave like Ctrl + left-arrow: move one word backwards\n // http://unix.stackexchange.com/a/108106\n // macOS uses different escape sequences than linux\n if (result.key === C0.ESC + '[1;3D') {\n result.key = C0.ESC + (isMac ? 'b' : '[1;5D');\n }\n } else if (applicationCursorMode) {\n result.key = C0.ESC + 'OD';\n } else {\n result.key = C0.ESC + '[D';\n }\n break;\n case 39:\n // right-arrow\n if (ev.metaKey) {\n break;\n }\n if (modifiers) {\n result.key = C0.ESC + '[1;' + (modifiers + 1) + 'C';\n // HACK: Make Alt + right-arrow behave like Ctrl + right-arrow: move one word forward\n // http://unix.stackexchange.com/a/108106\n // macOS uses different escape sequences than linux\n if (result.key === C0.ESC + '[1;3C') {\n result.key = C0.ESC + (isMac ? 'f' : '[1;5C');\n }\n } else if (applicationCursorMode) {\n result.key = C0.ESC + 'OC';\n } else {\n result.key = C0.ESC + '[C';\n }\n break;\n case 38:\n // up-arrow\n if (ev.metaKey) {\n break;\n }\n if (modifiers) {\n result.key = C0.ESC + '[1;' + (modifiers + 1) + 'A';\n // HACK: Make Alt + up-arrow behave like Ctrl + up-arrow\n // http://unix.stackexchange.com/a/108106\n // macOS uses different escape sequences than linux\n if (!isMac && result.key === C0.ESC + '[1;3A') {\n result.key = C0.ESC + '[1;5A';\n }\n } else if (applicationCursorMode) {\n result.key = C0.ESC + 'OA';\n } else {\n result.key = C0.ESC + '[A';\n }\n break;\n case 40:\n // down-arrow\n if (ev.metaKey) {\n break;\n }\n if (modifiers) {\n result.key = C0.ESC + '[1;' + (modifiers + 1) + 'B';\n // HACK: Make Alt + down-arrow behave like Ctrl + down-arrow\n // http://unix.stackexchange.com/a/108106\n // macOS uses different escape sequences than linux\n if (!isMac && result.key === C0.ESC + '[1;3B') {\n result.key = C0.ESC + '[1;5B';\n }\n } else if (applicationCursorMode) {\n result.key = C0.ESC + 'OB';\n } else {\n result.key = C0.ESC + '[B';\n }\n break;\n case 45:\n // insert\n if (!ev.shiftKey && !ev.ctrlKey) {\n // <Ctrl> or <Shift> + <Insert> are used to\n // copy-paste on some systems.\n result.key = C0.ESC + '[2~';\n }\n break;\n case 46:\n // delete\n if (modifiers) {\n result.key = C0.ESC + '[3;' + (modifiers + 1) + '~';\n } else {\n result.key = C0.ESC + '[3~';\n }\n break;\n case 36:\n // home\n if (modifiers) {\n result.key = C0.ESC + '[1;' + (modifiers + 1) + 'H';\n } else if (applicationCursorMode) {\n result.key = C0.ESC + 'OH';\n } else {\n result.key = C0.ESC + '[H';\n }\n break;\n case 35:\n // end\n if (modifiers) {\n result.key = C0.ESC + '[1;' + (modifiers + 1) + 'F';\n } else if (applicationCursorMode) {\n result.key = C0.ESC + 'OF';\n } else {\n result.key = C0.ESC + '[F';\n }\n break;\n case 33:\n // page up\n if (ev.shiftKey) {\n result.type = KeyboardResultType.PAGE_UP;\n } else {\n result.key = C0.ESC + '[5~';\n }\n break;\n case 34:\n // page down\n if (ev.shiftKey) {\n result.type = KeyboardResultType.PAGE_DOWN;\n } else {\n result.key = C0.ESC + '[6~';\n }\n break;\n case 112:\n // F1-F12\n if (modifiers) {\n result.key = C0.ESC + '[1;' + (modifiers + 1) + 'P';\n } else {\n result.key = C0.ESC + 'OP';\n }\n break;\n case 113:\n if (modifiers) {\n result.key = C0.ESC + '[1;' + (modifiers + 1) + 'Q';\n } else {\n result.key = C0.ESC + 'OQ';\n }\n break;\n case 114:\n if (modifiers) {\n result.key = C0.ESC + '[1;' + (modifiers + 1) + 'R';\n } else {\n result.key = C0.ESC + 'OR';\n }\n break;\n case 115:\n if (modifiers) {\n result.key = C0.ESC + '[1;' + (modifiers + 1) + 'S';\n } else {\n result.key = C0.ESC + 'OS';\n }\n break;\n case 116:\n if (modifiers) {\n result.key = C0.ESC + '[15;' + (modifiers + 1) + '~';\n } else {\n result.key = C0.ESC + '[15~';\n }\n break;\n case 117:\n if (modifiers) {\n result.key = C0.ESC + '[17;' + (modifiers + 1) + '~';\n } else {\n result.key = C0.ESC + '[17~';\n }\n break;\n case 118:\n if (modifiers) {\n result.key = C0.ESC + '[18;' + (modifiers + 1) + '~';\n } else {\n result.key = C0.ESC + '[18~';\n }\n break;\n case 119:\n if (modifiers) {\n result.key = C0.ESC + '[19;' + (modifiers + 1) + '~';\n } else {\n result.key = C0.ESC + '[19~';\n }\n break;\n case 120:\n if (modifiers) {\n result.key = C0.ESC + '[20;' + (modifiers + 1) + '~';\n } else {\n result.key = C0.ESC + '[20~';\n }\n break;\n case 121:\n if (modifiers) {\n result.key = C0.ESC + '[21;' + (modifiers + 1) + '~';\n } else {\n result.key = C0.ESC + '[21~';\n }\n break;\n case 122:\n if (modifiers) {\n result.key = C0.ESC + '[23;' + (modifiers + 1) + '~';\n } else {\n result.key = C0.ESC + '[23~';\n }\n break;\n case 123:\n if (modifiers) {\n result.key = C0.ESC + '[24;' + (modifiers + 1) + '~';\n } else {\n result.key = C0.ESC + '[24~';\n }\n break;\n default:\n // a-z and space\n if (ev.ctrlKey && !ev.shiftKey && !ev.altKey && !ev.metaKey) {\n if (ev.keyCode >= 65 && ev.keyCode <= 90) {\n result.key = String.fromCharCode(ev.keyCode - 64);\n } else if (ev.keyCode === 32) {\n result.key = C0.NUL;\n } else if (ev.keyCode >= 51 && ev.keyCode <= 55) {\n // escape, file sep, group sep, record sep, unit sep\n result.key = String.fromCharCode(ev.keyCode - 51 + 27);\n } else if (ev.keyCode === 56) {\n result.key = C0.DEL;\n } else if (ev.keyCode === 219) {\n result.key = C0.ESC;\n } else if (ev.keyCode === 220) {\n result.key = C0.FS;\n } else if (ev.keyCode === 221) {\n result.key = C0.GS;\n }\n } else if ((!isMac || macOptionIsMeta) && ev.altKey && !ev.metaKey) {\n // On macOS this is a third level shift when !macOptionIsMeta. Use <Esc> instead.\n const keyMapping = KEYCODE_KEY_MAPPINGS[ev.keyCode];\n const key = keyMapping && keyMapping[!ev.shiftKey ? 0 : 1];\n if (key) {\n result.key = C0.ESC + key;\n } else if (ev.keyCode >= 65 && ev.keyCode <= 90) {\n const keyCode = ev.ctrlKey ? ev.keyCode - 64 : ev.keyCode + 32;\n result.key = C0.ESC + String.fromCharCode(keyCode);\n }\n } else if (isMac && !ev.altKey && !ev.ctrlKey && ev.metaKey) {\n if (ev.keyCode === 65) { // cmd + a\n result.type = KeyboardResultType.SELECT_ALL;\n }\n } else if (ev.key && !ev.ctrlKey && !ev.altKey && !ev.metaKey && ev.keyCode >= 48 && ev.key.length === 1) {\n // Include only keys that that result in a _single_ character; don't include num lock, volume up, etc.\n result.key = ev.key;\n } else if (ev.key && ev.ctrlKey) {\n if (ev.key === '_') { // ^_\n result.key = C0.US;\n }\n }\n break;\n }\n\n return result;\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { CHAR_DATA_CODE_INDEX, NULL_CELL_CODE, WHITESPACE_CELL_CODE } from 'common/buffer/Constants';\nimport { IBufferService } from 'common/services/Services';\n\nexport function handleWindowsModeLineFeed(bufferService: IBufferService): void {\n // Winpty does not support wraparound mode which means that lines will never\n // be marked as wrapped. This causes issues for things like copying a line\n // retaining the wrapped new line characters or if consumers are listening\n // in on the data stream.\n //\n // The workaround for this is to listen to every incoming line feed and mark\n // the line as wrapped if the last character in the previous line is not a\n // space. This is certainly not without its problems, but generally on\n // Windows when text reaches the end of the terminal it's likely going to be\n // wrapped.\n const line = bufferService.buffer.lines.get(bufferService.buffer.ybase + bufferService.buffer.y - 1);\n const lastChar = line?.get(bufferService.cols - 1);\n\n const nextLine = bufferService.buffer.lines.get(bufferService.buffer.ybase + bufferService.buffer.y);\n if (nextLine && lastChar) {\n nextLine.isWrapped = (lastChar[CHAR_DATA_CODE_INDEX] !== NULL_CELL_CODE && lastChar[CHAR_DATA_CODE_INDEX] !== WHITESPACE_CELL_CODE);\n }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IRenderer, IRenderDimensions, CharacterJoinerHandler } from 'browser/renderer/Types';\nimport { RenderDebouncer } from 'browser/RenderDebouncer';\nimport { EventEmitter, IEvent } from 'common/EventEmitter';\nimport { Disposable } from 'common/Lifecycle';\nimport { ScreenDprMonitor } from 'browser/ScreenDprMonitor';\nimport { addDisposableDomListener } from 'browser/Lifecycle';\nimport { IColorSet } from 'browser/Types';\nimport { IOptionsService } from 'common/services/Services';\nimport { ICharSizeService, IRenderService } from 'browser/services/Services';\n\nexport class RenderService extends Disposable implements IRenderService {\n serviceBrand: any;\n\n private _renderDebouncer: RenderDebouncer;\n private _screenDprMonitor: ScreenDprMonitor;\n\n private _isPaused: boolean = false;\n private _needsFullRefresh: boolean = false;\n private _canvasWidth: number = 0;\n private _canvasHeight: number = 0;\n\n private _onDimensionsChange = new EventEmitter<IRenderDimensions>();\n public get onDimensionsChange(): IEvent<IRenderDimensions> { return this._onDimensionsChange.event; }\n private _onRender = new EventEmitter<{ start: number, end: number }>();\n public get onRender(): IEvent<{ start: number, end: number }> { return this._onRender.event; }\n private _onRefreshRequest = new EventEmitter<{ start: number, end: number }>();\n public get onRefreshRequest(): IEvent<{ start: number, end: number }> { return this._onRefreshRequest.event; }\n\n public get dimensions(): IRenderDimensions { return this._renderer.dimensions; }\n\n constructor(\n private _renderer: IRenderer,\n private _rowCount: number,\n readonly screenElement: HTMLElement,\n @IOptionsService readonly optionsService: IOptionsService,\n @ICharSizeService readonly charSizeService: ICharSizeService\n ) {\n super();\n this._renderDebouncer = new RenderDebouncer((start, end) => this._renderRows(start, end));\n this.register(this._renderDebouncer);\n\n this._screenDprMonitor = new ScreenDprMonitor();\n this._screenDprMonitor.setListener(() => this.onDevicePixelRatioChange());\n this.register(this._screenDprMonitor);\n\n this.register(optionsService.onOptionChange(() => this._renderer.onOptionsChanged()));\n this.register(charSizeService.onCharSizeChange(() => this.onCharSizeChanged()));\n\n // No need to register this as renderer is explicitly disposed in RenderService.dispose\n this._renderer.onRequestRefreshRows(e => this.refreshRows(e.start, e.end));\n\n // dprchange should handle this case, we need this as well for browsers that don't support the\n // matchMedia query.\n this.register(addDisposableDomListener(window, 'resize', () => this.onDevicePixelRatioChange()));\n\n // Detect whether IntersectionObserver is detected and enable renderer pause\n // and resume based on terminal visibility if so\n if ('IntersectionObserver' in window) {\n const observer = new IntersectionObserver(e => this._onIntersectionChange(e[e.length - 1]), { threshold: 0 });\n observer.observe(screenElement);\n this.register({ dispose: () => observer.disconnect() });\n }\n }\n\n private _onIntersectionChange(entry: IntersectionObserverEntry): void {\n this._isPaused = entry.intersectionRatio === 0;\n if (!this._isPaused && this._needsFullRefresh) {\n this.refreshRows(0, this._rowCount - 1);\n this._needsFullRefresh = false;\n }\n }\n\n public refreshRows(start: number, end: number): void {\n if (this._isPaused) {\n this._needsFullRefresh = true;\n return;\n }\n this._renderDebouncer.refresh(start, end, this._rowCount);\n }\n\n private _renderRows(start: number, end: number): void {\n this._renderer.renderRows(start, end);\n this._onRender.fire({ start, end });\n }\n\n public resize(cols: number, rows: number): void {\n this._rowCount = rows;\n this._fireOnCanvasResize();\n }\n\n public changeOptions(): void {\n this._renderer.onOptionsChanged();\n this.refreshRows(0, this._rowCount - 1);\n this._fireOnCanvasResize();\n }\n\n private _fireOnCanvasResize(): void {\n // Don't fire the event if the dimensions haven't changed\n if (this._renderer.dimensions.canvasWidth === this._canvasWidth && this._renderer.dimensions.canvasHeight === this._canvasHeight) {\n return;\n }\n this._onDimensionsChange.fire(this._renderer.dimensions);\n }\n\n public dispose(): void {\n this._renderer.dispose();\n super.dispose();\n }\n\n public setRenderer(renderer: IRenderer): void {\n // TODO: RenderService should be the only one to dispose the renderer\n this._renderer.dispose();\n this._renderer = renderer;\n this._renderer.onRequestRefreshRows(e => this.refreshRows(e.start, e.end));\n this.refreshRows(0, this._rowCount - 1);\n }\n\n private _fullRefresh(): void {\n if (this._isPaused) {\n this._needsFullRefresh = true;\n } else {\n this.refreshRows(0, this._rowCount - 1);\n }\n }\n\n public setColors(colors: IColorSet): void {\n this._renderer.setColors(colors);\n this._fullRefresh();\n }\n\n public onDevicePixelRatioChange(): void {\n this._renderer.onDevicePixelRatioChange();\n this.refreshRows(0, this._rowCount - 1);\n }\n\n public onResize(cols: number, rows: number): void {\n this._renderer.onResize(cols, rows);\n this._fullRefresh();\n }\n\n // TODO: Is this useful when we have onResize?\n public onCharSizeChanged(): void {\n this._renderer.onCharSizeChanged();\n }\n\n public onBlur(): void {\n this._renderer.onBlur();\n }\n\n public onFocus(): void {\n this._renderer.onFocus();\n }\n\n public onSelectionChanged(start: [number, number], end: [number, number], columnSelectMode: boolean): void {\n this._renderer.onSelectionChanged(start, end, columnSelectMode);\n }\n\n public onCursorMove(): void {\n this._renderer.onCursorMove();\n }\n\n public clear(): void {\n this._renderer.clear();\n }\n\n public registerCharacterJoiner(handler: CharacterJoinerHandler): number {\n return this._renderer.registerCharacterJoiner(handler);\n }\n\n public deregisterCharacterJoiner(joinerId: number): boolean {\n return this._renderer.deregisterCharacterJoiner(joinerId);\n }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IOptionsService, ITerminalOptions, IPartialTerminalOptions } from 'common/services/Services';\nimport { EventEmitter, IEvent } from 'common/EventEmitter';\nimport { isMac } from 'common/Platform';\nimport { clone } from 'common/Clone';\n\n// Source: https://freesound.org/people/altemark/sounds/45759/\n// This sound is released under the Creative Commons Attribution 3.0 Unported\n// (CC BY 3.0) license. It was created by 'altemark'. No modifications have been\n// made, apart from the conversion to base64.\nexport const DEFAULT_BELL_SOUND = 'data:audio/mp3;base64,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';\n\n// TODO: Freeze?\nexport const DEFAULT_OPTIONS: ITerminalOptions = Object.freeze({\n cols: 80,\n rows: 24,\n cursorBlink: false,\n cursorStyle: 'block',\n bellSound: DEFAULT_BELL_SOUND,\n bellStyle: 'none',\n drawBoldTextInBrightColors: true,\n fastScrollModifier: 'alt',\n fastScrollSensitivity: 5,\n fontFamily: 'courier-new, courier, monospace',\n fontSize: 15,\n fontWeight: 'normal',\n fontWeightBold: 'bold',\n lineHeight: 1.0,\n letterSpacing: 0,\n logLevel: 'info',\n scrollback: 1000,\n scrollSensitivity: 1,\n screenReaderMode: false,\n macOptionIsMeta: false,\n macOptionClickForcesSelection: false,\n minimumContrastRatio: 1,\n disableStdin: false,\n allowTransparency: false,\n tabStopWidth: 8,\n theme: {},\n rightClickSelectsWord: isMac,\n rendererType: 'canvas',\n windowsMode: false,\n\n convertEol: false,\n termName: 'xterm',\n screenKeys: false,\n cancelEvents: false,\n useFlowControl: false,\n wordSeparator: ' ()[]{}\\',:;\"`'\n});\n\n/**\n * The set of options that only have an effect when set in the Terminal constructor.\n */\nconst CONSTRUCTOR_ONLY_OPTIONS = ['cols', 'rows'];\n\nexport class OptionsService implements IOptionsService {\n serviceBrand: any;\n\n public options: ITerminalOptions;\n\n private _onOptionChange = new EventEmitter<string>();\n public get onOptionChange(): IEvent<string> { return this._onOptionChange.event; }\n\n constructor(options: IPartialTerminalOptions) {\n this.options = clone(DEFAULT_OPTIONS);\n Object.keys(options).forEach(k => {\n if (k in this.options) {\n const newValue = options[k as keyof IPartialTerminalOptions] as any;\n this.options[k] = newValue;\n }\n });\n }\n\n public setOption(key: string, value: any): void {\n if (!(key in DEFAULT_OPTIONS)) {\n throw new Error('No option with key \"' + key + '\"');\n }\n if (CONSTRUCTOR_ONLY_OPTIONS.indexOf(key) !== -1) {\n throw new Error(`Option \"${key}\" can only be set in the constructor`);\n }\n if (this.options[key] === value) {\n return;\n }\n\n value = this._sanitizeAndValidateOption(key, value);\n\n // Don't fire an option change event if they didn't change\n if (this.options[key] === value) {\n return;\n }\n\n this.options[key] = value;\n this._onOptionChange.fire(key);\n }\n\n private _sanitizeAndValidateOption(key: string, value: any): any {\n switch (key) {\n case 'bellStyle':\n case 'cursorStyle':\n case 'fontWeight':\n case 'fontWeightBold':\n case 'rendererType':\n case 'wordSeparator':\n if (!value) {\n value = DEFAULT_OPTIONS[key];\n }\n break;\n case 'lineHeight':\n case 'tabStopWidth':\n if (value < 1) {\n throw new Error(`${key} cannot be less than 1, value: ${value}`);\n }\n break;\n case 'minimumContrastRatio':\n value = Math.max(1, Math.min(21, Math.round(value * 10) / 10));\n case 'scrollback':\n value = Math.min(value, 4294967295);\n if (value < 0) {\n throw new Error(`${key} cannot be less than 0, value: ${value}`);\n }\n break;\n case 'fastScrollSensitivity':\n case 'scrollSensitivity':\n if (value <= 0) {\n throw new Error(`${key} cannot be less than or equal to 0, value: ${value}`);\n }\n break;\n }\n return value;\n }\n\n public getOption(key: string): any {\n if (!(key in DEFAULT_OPTIONS)) {\n throw new Error(`No option with key \"${key}\"`);\n }\n return this.options[key];\n }\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IOptionsService } from 'common/services/Services';\nimport { IEvent, EventEmitter } from 'common/EventEmitter';\nimport { ICharSizeService } from 'browser/services/Services';\n\nexport class CharSizeService implements ICharSizeService {\n serviceBrand: any;\n\n public width: number = 0;\n public height: number = 0;\n private _measureStrategy: IMeasureStrategy;\n\n public get hasValidSize(): boolean { return this.width > 0 && this.height > 0; }\n\n private _onCharSizeChange = new EventEmitter<void>();\n public get onCharSizeChange(): IEvent<void> { return this._onCharSizeChange.event; }\n\n constructor(\n readonly document: Document,\n readonly parentElement: HTMLElement,\n @IOptionsService private readonly _optionsService: IOptionsService\n ) {\n this._measureStrategy = new DomMeasureStrategy(document, parentElement, this._optionsService);\n }\n\n public measure(): void {\n const result = this._measureStrategy.measure();\n if (result.width !== this.width || result.height !== this.height) {\n this.width = result.width;\n this.height = result.height;\n this._onCharSizeChange.fire();\n }\n }\n}\n\ninterface IMeasureStrategy {\n measure(): IReadonlyMeasureResult;\n}\n\ninterface IReadonlyMeasureResult {\n readonly width: number;\n readonly height: number;\n}\n\ninterface IMeasureResult {\n width: number;\n height: number;\n}\n\n// TODO: For supporting browsers we should also provide a CanvasCharDimensionsProvider that uses ctx.measureText\nclass DomMeasureStrategy implements IMeasureStrategy {\n private _result: IMeasureResult = { width: 0, height: 0 };\n private _measureElement: HTMLElement;\n\n constructor(\n private _document: Document,\n private _parentElement: HTMLElement,\n private _optionsService: IOptionsService\n ) {\n this._measureElement = this._document.createElement('span');\n this._measureElement.classList.add('xterm-char-measure-element');\n this._measureElement.textContent = 'W';\n this._measureElement.setAttribute('aria-hidden', 'true');\n this._parentElement.appendChild(this._measureElement);\n }\n\n public measure(): IReadonlyMeasureResult {\n this._measureElement.style.fontFamily = this._optionsService.options.fontFamily;\n this._measureElement.style.fontSize = `${this._optionsService.options.fontSize}px`;\n\n // Note that this triggers a synchronous layout\n const geometry = this._measureElement.getBoundingClientRect();\n\n // If values are 0 then the element is likely currently display:none, in which case we should\n // retain the previous value.\n if (geometry.width !== 0 && geometry.height !== 0) {\n this._result.width = geometry.width;\n this._result.height = Math.ceil(geometry.height);\n }\n\n return this._result;\n }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IBufferService, IOptionsService } from 'common/services/Services';\nimport { BufferSet } from 'common/buffer/BufferSet';\nimport { IBufferSet, IBuffer } from 'common/buffer/Types';\n\nexport const MINIMUM_COLS = 2; // Less than 2 can mess with wide chars\nexport const MINIMUM_ROWS = 1;\n\nexport class BufferService implements IBufferService {\n serviceBrand: any;\n\n public cols: number;\n public rows: number;\n public buffers: IBufferSet;\n\n public get buffer(): IBuffer { return this.buffers.active; }\n\n constructor(\n @IOptionsService private _optionsService: IOptionsService\n ) {\n this.cols = Math.max(_optionsService.options.cols, MINIMUM_COLS);\n this.rows = Math.max(_optionsService.options.rows, MINIMUM_ROWS);\n this.buffers = new BufferSet(_optionsService, this);\n }\n\n public resize(cols: number, rows: number): void {\n this.cols = cols;\n this.rows = rows;\n }\n\n public reset(): void {\n this.buffers = new BufferSet(this._optionsService, this);\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IBuffer, IBufferSet } from 'common/buffer/Types';\nimport { IAttributeData } from 'common/Types';\nimport { Buffer } from 'common/buffer/Buffer';\nimport { EventEmitter, IEvent } from 'common/EventEmitter';\nimport { IOptionsService, IBufferService } from 'common/services/Services';\n\n/**\n * The BufferSet represents the set of two buffers used by xterm terminals (normal and alt) and\n * provides also utilities for working with them.\n */\nexport class BufferSet implements IBufferSet {\n private _normal: Buffer;\n private _alt: Buffer;\n private _activeBuffer: Buffer;\n\n\n private _onBufferActivate = new EventEmitter<{activeBuffer: IBuffer, inactiveBuffer: IBuffer}>();\n public get onBufferActivate(): IEvent<{activeBuffer: IBuffer, inactiveBuffer: IBuffer}> { return this._onBufferActivate.event; }\n\n /**\n * Create a new BufferSet for the given terminal.\n * @param _terminal - The terminal the BufferSet will belong to\n */\n constructor(\n readonly optionsService: IOptionsService,\n readonly bufferService: IBufferService\n ) {\n this._normal = new Buffer(true, optionsService, bufferService);\n this._normal.fillViewportRows();\n\n // The alt buffer should never have scrollback.\n // See http://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h2-The-Alternate-Screen-Buffer\n this._alt = new Buffer(false, optionsService, bufferService);\n this._activeBuffer = this._normal;\n\n this.setupTabStops();\n }\n\n /**\n * Returns the alt Buffer of the BufferSet\n */\n public get alt(): Buffer {\n return this._alt;\n }\n\n /**\n * Returns the normal Buffer of the BufferSet\n */\n public get active(): Buffer {\n return this._activeBuffer;\n }\n\n /**\n * Returns the currently active Buffer of the BufferSet\n */\n public get normal(): Buffer {\n return this._normal;\n }\n\n /**\n * Sets the normal Buffer of the BufferSet as its currently active Buffer\n */\n public activateNormalBuffer(): void {\n if (this._activeBuffer === this._normal) {\n return;\n }\n this._normal.x = this._alt.x;\n this._normal.y = this._alt.y;\n // The alt buffer should always be cleared when we switch to the normal\n // buffer. This frees up memory since the alt buffer should always be new\n // when activated.\n this._alt.clear();\n this._activeBuffer = this._normal;\n this._onBufferActivate.fire({\n activeBuffer: this._normal,\n inactiveBuffer: this._alt\n });\n }\n\n /**\n * Sets the alt Buffer of the BufferSet as its currently active Buffer\n */\n public activateAltBuffer(fillAttr?: IAttributeData): void {\n if (this._activeBuffer === this._alt) {\n return;\n }\n // Since the alt buffer is always cleared when the normal buffer is\n // activated, we want to fill it when switching to it.\n this._alt.fillViewportRows(fillAttr);\n this._alt.x = this._normal.x;\n this._alt.y = this._normal.y;\n this._activeBuffer = this._alt;\n this._onBufferActivate.fire({\n activeBuffer: this._alt,\n inactiveBuffer: this._normal\n });\n }\n\n /**\n * Resizes both normal and alt buffers, adjusting their data accordingly.\n * @param newCols The new number of columns.\n * @param newRows The new number of rows.\n */\n public resize(newCols: number, newRows: number): void {\n this._normal.resize(newCols, newRows);\n this._alt.resize(newCols, newRows);\n }\n\n /**\n * Setup the tab stops.\n * @param i The index to start setting up tab stops from.\n */\n public setupTabStops(i?: number): void {\n this._normal.setupTabStops(i);\n this._alt.setupTabStops(i);\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { CircularList, IInsertEvent } from 'common/CircularList';\nimport { IBuffer, BufferIndex, IBufferStringIterator, IBufferStringIteratorResult } from 'common/buffer/Types';\nimport { IBufferLine, ICellData, IAttributeData, ICharset } from 'common/Types';\nimport { BufferLine, DEFAULT_ATTR_DATA } from 'common/buffer/BufferLine';\nimport { CellData } from 'common/buffer/CellData';\nimport { NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE, WHITESPACE_CELL_CHAR, WHITESPACE_CELL_WIDTH, WHITESPACE_CELL_CODE, CHAR_DATA_WIDTH_INDEX, CHAR_DATA_CHAR_INDEX } from 'common/buffer/Constants';\nimport { reflowLargerApplyNewLayout, reflowLargerCreateNewLayout, reflowLargerGetLinesToRemove, reflowSmallerGetNewLineLengths, getWrappedLineTrimmedLength } from 'common/buffer/BufferReflow';\nimport { Marker } from 'common/buffer/Marker';\nimport { IOptionsService, IBufferService } from 'common/services/Services';\nimport { DEFAULT_CHARSET } from 'common/data/Charsets';\n\nexport const MAX_BUFFER_SIZE = 4294967295; // 2^32 - 1\n\n/**\n * This class represents a terminal buffer (an internal state of the terminal), where the\n * following information is stored (in high-level):\n * - text content of this particular buffer\n * - cursor position\n * - scroll position\n */\nexport class Buffer implements IBuffer {\n public lines: CircularList<IBufferLine>;\n public ydisp: number = 0;\n public ybase: number = 0;\n public y: number = 0;\n public x: number = 0;\n public scrollBottom: number;\n public scrollTop: number;\n // TODO: Type me\n public tabs: any;\n public savedY: number = 0;\n public savedX: number = 0;\n public savedCurAttrData = DEFAULT_ATTR_DATA.clone();\n public savedCharset: ICharset | null = DEFAULT_CHARSET;\n public markers: Marker[] = [];\n private _nullCell: ICellData = CellData.fromCharData([0, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]);\n private _whitespaceCell: ICellData = CellData.fromCharData([0, WHITESPACE_CELL_CHAR, WHITESPACE_CELL_WIDTH, WHITESPACE_CELL_CODE]);\n private _cols: number;\n private _rows: number;\n\n constructor(\n private _hasScrollback: boolean,\n private _optionsService: IOptionsService,\n private _bufferService: IBufferService\n ) {\n this._cols = this._bufferService.cols;\n this._rows = this._bufferService.rows;\n this.lines = new CircularList<IBufferLine>(this._getCorrectBufferLength(this._rows));\n this.scrollTop = 0;\n this.scrollBottom = this._rows - 1;\n this.setupTabStops();\n }\n\n public getNullCell(attr?: IAttributeData): ICellData {\n if (attr) {\n this._nullCell.fg = attr.fg;\n this._nullCell.bg = attr.bg;\n } else {\n this._nullCell.fg = 0;\n this._nullCell.bg = 0;\n }\n return this._nullCell;\n }\n\n public getWhitespaceCell(attr?: IAttributeData): ICellData {\n if (attr) {\n this._whitespaceCell.fg = attr.fg;\n this._whitespaceCell.bg = attr.bg;\n } else {\n this._whitespaceCell.fg = 0;\n this._whitespaceCell.bg = 0;\n }\n return this._whitespaceCell;\n }\n\n public getBlankLine(attr: IAttributeData, isWrapped?: boolean): IBufferLine {\n return new BufferLine(this._bufferService.cols, this.getNullCell(attr), isWrapped);\n }\n\n public get hasScrollback(): boolean {\n return this._hasScrollback && this.lines.maxLength > this._rows;\n }\n\n public get isCursorInViewport(): boolean {\n const absoluteY = this.ybase + this.y;\n const relativeY = absoluteY - this.ydisp;\n return (relativeY >= 0 && relativeY < this._rows);\n }\n\n /**\n * Gets the correct buffer length based on the rows provided, the terminal's\n * scrollback and whether this buffer is flagged to have scrollback or not.\n * @param rows The terminal rows to use in the calculation.\n */\n private _getCorrectBufferLength(rows: number): number {\n if (!this._hasScrollback) {\n return rows;\n }\n\n const correctBufferLength = rows + this._optionsService.options.scrollback;\n\n return correctBufferLength > MAX_BUFFER_SIZE ? MAX_BUFFER_SIZE : correctBufferLength;\n }\n\n /**\n * Fills the buffer's viewport with blank lines.\n */\n public fillViewportRows(fillAttr?: IAttributeData): void {\n if (this.lines.length === 0) {\n if (fillAttr === undefined) {\n fillAttr = DEFAULT_ATTR_DATA;\n }\n let i = this._rows;\n while (i--) {\n this.lines.push(this.getBlankLine(fillAttr));\n }\n }\n }\n\n /**\n * Clears the buffer to it's initial state, discarding all previous data.\n */\n public clear(): void {\n this.ydisp = 0;\n this.ybase = 0;\n this.y = 0;\n this.x = 0;\n this.lines = new CircularList<IBufferLine>(this._getCorrectBufferLength(this._rows));\n this.scrollTop = 0;\n this.scrollBottom = this._rows - 1;\n this.setupTabStops();\n }\n\n /**\n * Resizes the buffer, adjusting its data accordingly.\n * @param newCols The new number of columns.\n * @param newRows The new number of rows.\n */\n public resize(newCols: number, newRows: number): void {\n // store reference to null cell with default attrs\n const nullCell = this.getNullCell(DEFAULT_ATTR_DATA);\n\n // Increase max length if needed before adjustments to allow space to fill\n // as required.\n const newMaxLength = this._getCorrectBufferLength(newRows);\n if (newMaxLength > this.lines.maxLength) {\n this.lines.maxLength = newMaxLength;\n }\n\n // The following adjustments should only happen if the buffer has been\n // initialized/filled.\n if (this.lines.length > 0) {\n // Deal with columns increasing (reducing needs to happen after reflow)\n if (this._cols < newCols) {\n for (let i = 0; i < this.lines.length; i++) {\n this.lines.get(i)!.resize(newCols, nullCell);\n }\n }\n\n // Resize rows in both directions as needed\n let addToY = 0;\n if (this._rows < newRows) {\n for (let y = this._rows; y < newRows; y++) {\n if (this.lines.length < newRows + this.ybase) {\n if (this._optionsService.options.windowsMode) {\n // Just add the new missing rows on Windows as conpty reprints the screen with it's\n // view of the world. Once a line enters scrollback for conpty it remains there\n this.lines.push(new BufferLine(newCols, nullCell));\n } else {\n if (this.ybase > 0 && this.lines.length <= this.ybase + this.y + addToY + 1) {\n // There is room above the buffer and there are no empty elements below the line,\n // scroll up\n this.ybase--;\n addToY++;\n if (this.ydisp > 0) {\n // Viewport is at the top of the buffer, must increase downwards\n this.ydisp--;\n }\n } else {\n // Add a blank line if there is no buffer left at the top to scroll to, or if there\n // are blank lines after the cursor\n this.lines.push(new BufferLine(newCols, nullCell));\n }\n }\n }\n }\n } else { // (this._rows >= newRows)\n for (let y = this._rows; y > newRows; y--) {\n if (this.lines.length > newRows + this.ybase) {\n if (this.lines.length > this.ybase + this.y + 1) {\n // The line is a blank line below the cursor, remove it\n this.lines.pop();\n } else {\n // The line is the cursor, scroll down\n this.ybase++;\n this.ydisp++;\n }\n }\n }\n }\n\n // Reduce max length if needed after adjustments, this is done after as it\n // would otherwise cut data from the bottom of the buffer.\n if (newMaxLength < this.lines.maxLength) {\n // Trim from the top of the buffer and adjust ybase and ydisp.\n const amountToTrim = this.lines.length - newMaxLength;\n if (amountToTrim > 0) {\n this.lines.trimStart(amountToTrim);\n this.ybase = Math.max(this.ybase - amountToTrim, 0);\n this.ydisp = Math.max(this.ydisp - amountToTrim, 0);\n this.savedY = Math.max(this.savedY - amountToTrim, 0);\n }\n this.lines.maxLength = newMaxLength;\n }\n\n // Make sure that the cursor stays on screen\n this.x = Math.min(this.x, newCols - 1);\n this.y = Math.min(this.y, newRows - 1);\n if (addToY) {\n this.y += addToY;\n }\n this.savedX = Math.min(this.savedX, newCols - 1);\n\n this.scrollTop = 0;\n }\n\n this.scrollBottom = newRows - 1;\n\n if (this._isReflowEnabled) {\n this._reflow(newCols, newRows);\n\n // Trim the end of the line off if cols shrunk\n if (this._cols > newCols) {\n for (let i = 0; i < this.lines.length; i++) {\n this.lines.get(i)!.resize(newCols, nullCell);\n }\n }\n }\n\n this._cols = newCols;\n this._rows = newRows;\n }\n\n private get _isReflowEnabled(): boolean {\n return this._hasScrollback && !this._optionsService.options.windowsMode;\n }\n\n private _reflow(newCols: number, newRows: number): void {\n if (this._cols === newCols) {\n return;\n }\n\n // Iterate through rows, ignore the last one as it cannot be wrapped\n if (newCols > this._cols) {\n this._reflowLarger(newCols, newRows);\n } else {\n this._reflowSmaller(newCols, newRows);\n }\n }\n\n private _reflowLarger(newCols: number, newRows: number): void {\n const toRemove: number[] = reflowLargerGetLinesToRemove(this.lines, this._cols, newCols, this.ybase + this.y, this.getNullCell(DEFAULT_ATTR_DATA));\n if (toRemove.length > 0) {\n const newLayoutResult = reflowLargerCreateNewLayout(this.lines, toRemove);\n reflowLargerApplyNewLayout(this.lines, newLayoutResult.layout);\n this._reflowLargerAdjustViewport(newCols, newRows, newLayoutResult.countRemoved);\n }\n }\n\n private _reflowLargerAdjustViewport(newCols: number, newRows: number, countRemoved: number): void {\n const nullCell = this.getNullCell(DEFAULT_ATTR_DATA);\n // Adjust viewport based on number of items removed\n let viewportAdjustments = countRemoved;\n while (viewportAdjustments-- > 0) {\n if (this.ybase === 0) {\n if (this.y > 0) {\n this.y--;\n }\n if (this.lines.length < newRows) {\n // Add an extra row at the bottom of the viewport\n this.lines.push(new BufferLine(newCols, nullCell));\n }\n } else {\n if (this.ydisp === this.ybase) {\n this.ydisp--;\n }\n this.ybase--;\n }\n }\n this.savedY = Math.max(this.savedY - countRemoved, 0);\n }\n\n private _reflowSmaller(newCols: number, newRows: number): void {\n const nullCell = this.getNullCell(DEFAULT_ATTR_DATA);\n // Gather all BufferLines that need to be inserted into the Buffer here so that they can be\n // batched up and only committed once\n const toInsert = [];\n let countToInsert = 0;\n // Go backwards as many lines may be trimmed and this will avoid considering them\n for (let y = this.lines.length - 1; y >= 0; y--) {\n // Check whether this line is a problem\n let nextLine = this.lines.get(y) as BufferLine;\n if (!nextLine || !nextLine.isWrapped && nextLine.getTrimmedLength() <= newCols) {\n continue;\n }\n\n // Gather wrapped lines and adjust y to be the starting line\n const wrappedLines: BufferLine[] = [nextLine];\n while (nextLine.isWrapped && y > 0) {\n nextLine = this.lines.get(--y) as BufferLine;\n wrappedLines.unshift(nextLine);\n }\n\n // If these lines contain the cursor don't touch them, the program will handle fixing up\n // wrapped lines with the cursor\n const absoluteY = this.ybase + this.y;\n if (absoluteY >= y && absoluteY < y + wrappedLines.length) {\n continue;\n }\n\n const lastLineLength = wrappedLines[wrappedLines.length - 1].getTrimmedLength();\n const destLineLengths = reflowSmallerGetNewLineLengths(wrappedLines, this._cols, newCols);\n const linesToAdd = destLineLengths.length - wrappedLines.length;\n let trimmedLines: number;\n if (this.ybase === 0 && this.y !== this.lines.length - 1) {\n // If the top section of the buffer is not yet filled\n trimmedLines = Math.max(0, this.y - this.lines.maxLength + linesToAdd);\n } else {\n trimmedLines = Math.max(0, this.lines.length - this.lines.maxLength + linesToAdd);\n }\n\n // Add the new lines\n const newLines: BufferLine[] = [];\n for (let i = 0; i < linesToAdd; i++) {\n const newLine = this.getBlankLine(DEFAULT_ATTR_DATA, true) as BufferLine;\n newLines.push(newLine);\n }\n if (newLines.length > 0) {\n toInsert.push({\n // countToInsert here gets the actual index, taking into account other inserted items.\n // using this we can iterate through the list forwards\n start: y + wrappedLines.length + countToInsert,\n newLines\n });\n countToInsert += newLines.length;\n }\n wrappedLines.push(...newLines);\n\n // Copy buffer data to new locations, this needs to happen backwards to do in-place\n let destLineIndex = destLineLengths.length - 1; // Math.floor(cellsNeeded / newCols);\n let destCol = destLineLengths[destLineIndex]; // cellsNeeded % newCols;\n if (destCol === 0) {\n destLineIndex--;\n destCol = destLineLengths[destLineIndex];\n }\n let srcLineIndex = wrappedLines.length - linesToAdd - 1;\n let srcCol = lastLineLength;\n while (srcLineIndex >= 0) {\n const cellsToCopy = Math.min(srcCol, destCol);\n wrappedLines[destLineIndex].copyCellsFrom(wrappedLines[srcLineIndex], srcCol - cellsToCopy, destCol - cellsToCopy, cellsToCopy, true);\n destCol -= cellsToCopy;\n if (destCol === 0) {\n destLineIndex--;\n destCol = destLineLengths[destLineIndex];\n }\n srcCol -= cellsToCopy;\n if (srcCol === 0) {\n srcLineIndex--;\n const wrappedLinesIndex = Math.max(srcLineIndex, 0);\n srcCol = getWrappedLineTrimmedLength(wrappedLines, wrappedLinesIndex, this._cols);\n }\n }\n\n // Null out the end of the line ends if a wide character wrapped to the following line\n for (let i = 0; i < wrappedLines.length; i++) {\n if (destLineLengths[i] < newCols) {\n wrappedLines[i].setCell(destLineLengths[i], nullCell);\n }\n }\n\n // Adjust viewport as needed\n let viewportAdjustments = linesToAdd - trimmedLines;\n while (viewportAdjustments-- > 0) {\n if (this.ybase === 0) {\n if (this.y < newRows - 1) {\n this.y++;\n this.lines.pop();\n } else {\n this.ybase++;\n this.ydisp++;\n }\n } else {\n // Ensure ybase does not exceed its maximum value\n if (this.ybase < Math.min(this.lines.maxLength, this.lines.length + countToInsert) - newRows) {\n if (this.ybase === this.ydisp) {\n this.ydisp++;\n }\n this.ybase++;\n }\n }\n }\n this.savedY = Math.min(this.savedY + linesToAdd, this.ybase + newRows - 1);\n }\n\n // Rearrange lines in the buffer if there are any insertions, this is done at the end rather\n // than earlier so that it's a single O(n) pass through the buffer, instead of O(n^2) from many\n // costly calls to CircularList.splice.\n if (toInsert.length > 0) {\n // Record buffer insert events and then play them back backwards so that the indexes are\n // correct\n const insertEvents: IInsertEvent[] = [];\n\n // Record original lines so they don't get overridden when we rearrange the list\n const originalLines: BufferLine[] = [];\n for (let i = 0; i < this.lines.length; i++) {\n originalLines.push(this.lines.get(i) as BufferLine);\n }\n const originalLinesLength = this.lines.length;\n\n let originalLineIndex = originalLinesLength - 1;\n let nextToInsertIndex = 0;\n let nextToInsert = toInsert[nextToInsertIndex];\n this.lines.length = Math.min(this.lines.maxLength, this.lines.length + countToInsert);\n let countInsertedSoFar = 0;\n for (let i = Math.min(this.lines.maxLength - 1, originalLinesLength + countToInsert - 1); i >= 0; i--) {\n if (nextToInsert && nextToInsert.start > originalLineIndex + countInsertedSoFar) {\n // Insert extra lines here, adjusting i as needed\n for (let nextI = nextToInsert.newLines.length - 1; nextI >= 0; nextI--) {\n this.lines.set(i--, nextToInsert.newLines[nextI]);\n }\n i++;\n\n // Create insert events for later\n insertEvents.push({\n index: originalLineIndex + 1,\n amount: nextToInsert.newLines.length\n });\n\n countInsertedSoFar += nextToInsert.newLines.length;\n nextToInsert = toInsert[++nextToInsertIndex];\n } else {\n this.lines.set(i, originalLines[originalLineIndex--]);\n }\n }\n\n // Update markers\n let insertCountEmitted = 0;\n for (let i = insertEvents.length - 1; i >= 0; i--) {\n insertEvents[i].index += insertCountEmitted;\n this.lines.onInsertEmitter.fire(insertEvents[i]);\n insertCountEmitted += insertEvents[i].amount;\n }\n const amountToTrim = Math.max(0, originalLinesLength + countToInsert - this.lines.maxLength);\n if (amountToTrim > 0) {\n this.lines.onTrimEmitter.fire(amountToTrim);\n }\n }\n }\n\n // private _reflowSmallerGetLinesNeeded()\n\n /**\n * Translates a string index back to a BufferIndex.\n * To get the correct buffer position the string must start at `startCol` 0\n * (default in translateBufferLineToString).\n * The method also works on wrapped line strings given rows were not trimmed.\n * The method operates on the CharData string length, there are no\n * additional content or boundary checks. Therefore the string and the buffer\n * should not be altered in between.\n * TODO: respect trim flag after fixing #1685\n * @param lineIndex line index the string was retrieved from\n * @param stringIndex index within the string\n * @param startCol column offset the string was retrieved from\n */\n public stringIndexToBufferIndex(lineIndex: number, stringIndex: number, trimRight: boolean = false): BufferIndex {\n while (stringIndex) {\n const line = this.lines.get(lineIndex);\n if (!line) {\n return [-1, -1];\n }\n const length = (trimRight) ? line.getTrimmedLength() : line.length;\n for (let i = 0; i < length; ++i) {\n if (line.get(i)[CHAR_DATA_WIDTH_INDEX]) {\n // empty cells report a string length of 0, but get replaced\n // with a whitespace in translateToString, thus replace with 1\n stringIndex -= line.get(i)[CHAR_DATA_CHAR_INDEX].length || 1;\n }\n if (stringIndex < 0) {\n return [lineIndex, i];\n }\n }\n lineIndex++;\n }\n return [lineIndex, 0];\n }\n\n /**\n * Translates a buffer line to a string, with optional start and end columns.\n * Wide characters will count as two columns in the resulting string. This\n * function is useful for getting the actual text underneath the raw selection\n * position.\n * @param line The line being translated.\n * @param trimRight Whether to trim whitespace to the right.\n * @param startCol The column to start at.\n * @param endCol The column to end at.\n */\n public translateBufferLineToString(lineIndex: number, trimRight: boolean, startCol: number = 0, endCol?: number): string {\n const line = this.lines.get(lineIndex);\n if (!line) {\n return '';\n }\n return line.translateToString(trimRight, startCol, endCol);\n }\n\n public getWrappedRangeForLine(y: number): { first: number, last: number } {\n let first = y;\n let last = y;\n // Scan upwards for wrapped lines\n while (first > 0 && this.lines.get(first)!.isWrapped) {\n first--;\n }\n // Scan downwards for wrapped lines\n while (last + 1 < this.lines.length && this.lines.get(last + 1)!.isWrapped) {\n last++;\n }\n return { first, last };\n }\n\n /**\n * Setup the tab stops.\n * @param i The index to start setting up tab stops from.\n */\n public setupTabStops(i?: number): void {\n if (i !== null && i !== undefined) {\n if (!this.tabs[i]) {\n i = this.prevStop(i);\n }\n } else {\n this.tabs = {};\n i = 0;\n }\n\n for (; i < this._cols; i += this._optionsService.options.tabStopWidth) {\n this.tabs[i] = true;\n }\n }\n\n /**\n * Move the cursor to the previous tab stop from the given position (default is current).\n * @param x The position to move the cursor to the previous tab stop.\n */\n public prevStop(x?: number): number {\n if (x === null || x === undefined) {\n x = this.x;\n }\n while (!this.tabs[--x] && x > 0);\n return x >= this._cols ? this._cols - 1 : x < 0 ? 0 : x;\n }\n\n /**\n * Move the cursor one tab stop forward from the given position (default is current).\n * @param x The position to move the cursor one tab stop forward.\n */\n public nextStop(x?: number): number {\n if (x === null || x === undefined) {\n x = this.x;\n }\n while (!this.tabs[++x] && x < this._cols);\n return x >= this._cols ? this._cols - 1 : x < 0 ? 0 : x;\n }\n\n public addMarker(y: number): Marker {\n const marker = new Marker(y);\n this.markers.push(marker);\n marker.register(this.lines.onTrim(amount => {\n marker.line -= amount;\n // The marker should be disposed when the line is trimmed from the buffer\n if (marker.line < 0) {\n marker.dispose();\n }\n }));\n marker.register(this.lines.onInsert(event => {\n if (marker.line >= event.index) {\n marker.line += event.amount;\n }\n }));\n marker.register(this.lines.onDelete(event => {\n // Delete the marker if it's within the range\n if (marker.line >= event.index && marker.line < event.index + event.amount) {\n marker.dispose();\n }\n\n // Shift the marker if it's after the deleted range\n if (marker.line > event.index) {\n marker.line -= event.amount;\n }\n }));\n marker.register(marker.onDispose(() => this._removeMarker(marker)));\n return marker;\n }\n\n private _removeMarker(marker: Marker): void {\n this.markers.splice(this.markers.indexOf(marker), 1);\n }\n\n public iterator(trimRight: boolean, startIndex?: number, endIndex?: number, startOverscan?: number, endOverscan?: number): IBufferStringIterator {\n return new BufferStringIterator(this, trimRight, startIndex, endIndex, startOverscan, endOverscan);\n }\n}\n\n/**\n * Iterator to get unwrapped content strings from the buffer.\n * The iterator returns at least the string data between the borders\n * `startIndex` and `endIndex` (exclusive) and will expand the lines\n * by `startOverscan` to the top and by `endOverscan` to the bottom,\n * if no new line was found in between.\n * It will never read/return string data beyond `startIndex - startOverscan`\n * or `endIndex + endOverscan`. Therefore the first and last line might be truncated.\n * It is possible to always get the full string for the first and last line as well\n * by setting the overscan values to the actual buffer length. This not recommended\n * since it might return the whole buffer within a single string in a worst case scenario.\n */\nexport class BufferStringIterator implements IBufferStringIterator {\n private _current: number;\n\n constructor (\n private _buffer: IBuffer,\n private _trimRight: boolean,\n private _startIndex: number = 0,\n private _endIndex: number = _buffer.lines.length,\n private _startOverscan: number = 0,\n private _endOverscan: number = 0\n ) {\n if (this._startIndex < 0) {\n this._startIndex = 0;\n }\n if (this._endIndex > this._buffer.lines.length) {\n this._endIndex = this._buffer.lines.length;\n }\n this._current = this._startIndex;\n }\n\n public hasNext(): boolean {\n return this._current < this._endIndex;\n }\n\n public next(): IBufferStringIteratorResult {\n const range = this._buffer.getWrappedRangeForLine(this._current);\n // limit search window to overscan value at both borders\n if (range.first < this._startIndex - this._startOverscan) {\n range.first = this._startIndex - this._startOverscan;\n }\n if (range.last > this._endIndex + this._endOverscan) {\n range.last = this._endIndex + this._endOverscan;\n }\n // limit to current buffer length\n range.first = Math.max(range.first, 0);\n range.last = Math.min(range.last, this._buffer.lines.length);\n let result = '';\n for (let i = range.first; i <= range.last; ++i) {\n result += this._buffer.translateBufferLineToString(i, this._trimRight);\n }\n this._current = range.last + 1;\n return {range: range, content: result};\n }\n}\n","/**\n * Copyright (c) 2016 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ICircularList } from 'common/Types';\nimport { EventEmitter, IEvent } from 'common/EventEmitter';\n\nexport interface IInsertEvent {\n index: number;\n amount: number;\n}\n\nexport interface IDeleteEvent {\n index: number;\n amount: number;\n}\n\n/**\n * Represents a circular list; a list with a maximum size that wraps around when push is called,\n * overriding values at the start of the list.\n */\nexport class CircularList<T> implements ICircularList<T> {\n protected _array: (T | undefined)[];\n private _startIndex: number;\n private _length: number;\n\n public onDeleteEmitter = new EventEmitter<IDeleteEvent>();\n public get onDelete(): IEvent<IDeleteEvent> { return this.onDeleteEmitter.event; }\n public onInsertEmitter = new EventEmitter<IInsertEvent>();\n public get onInsert(): IEvent<IInsertEvent> { return this.onInsertEmitter.event; }\n public onTrimEmitter = new EventEmitter<number>();\n public get onTrim(): IEvent<number> { return this.onTrimEmitter.event; }\n\n constructor(\n private _maxLength: number\n ) {\n this._array = new Array<T>(this._maxLength);\n this._startIndex = 0;\n this._length = 0;\n }\n\n public get maxLength(): number {\n return this._maxLength;\n }\n\n public set maxLength(newMaxLength: number) {\n // There was no change in maxLength, return early.\n if (this._maxLength === newMaxLength) {\n return;\n }\n\n // Reconstruct array, starting at index 0. Only transfer values from the\n // indexes 0 to length.\n const newArray = new Array<T | undefined>(newMaxLength);\n for (let i = 0; i < Math.min(newMaxLength, this.length); i++) {\n newArray[i] = this._array[this._getCyclicIndex(i)];\n }\n this._array = newArray;\n this._maxLength = newMaxLength;\n this._startIndex = 0;\n }\n\n public get length(): number {\n return this._length;\n }\n\n public set length(newLength: number) {\n if (newLength > this._length) {\n for (let i = this._length; i < newLength; i++) {\n this._array[i] = undefined;\n }\n }\n this._length = newLength;\n }\n\n /**\n * Gets the value at an index.\n *\n * Note that for performance reasons there is no bounds checking here, the index reference is\n * circular so this should always return a value and never throw.\n * @param index The index of the value to get.\n * @return The value corresponding to the index.\n */\n public get(index: number): T | undefined {\n return this._array[this._getCyclicIndex(index)];\n }\n\n /**\n * Sets the value at an index.\n *\n * Note that for performance reasons there is no bounds checking here, the index reference is\n * circular so this should always return a value and never throw.\n * @param index The index to set.\n * @param value The value to set.\n */\n public set(index: number, value: T | undefined): void {\n this._array[this._getCyclicIndex(index)] = value;\n }\n\n /**\n * Pushes a new value onto the list, wrapping around to the start of the array, overriding index 0\n * if the maximum length is reached.\n * @param value The value to push onto the list.\n */\n public push(value: T): void {\n this._array[this._getCyclicIndex(this._length)] = value;\n if (this._length === this._maxLength) {\n this._startIndex = ++this._startIndex % this._maxLength;\n this.onTrimEmitter.fire(1);\n } else {\n this._length++;\n }\n }\n\n /**\n * Advance ringbuffer index and return current element for recycling.\n * Note: The buffer must be full for this method to work.\n * @throws When the buffer is not full.\n */\n public recycle(): T {\n if (this._length !== this._maxLength) {\n throw new Error('Can only recycle when the buffer is full');\n }\n this._startIndex = ++this._startIndex % this._maxLength;\n this.onTrimEmitter.fire(1);\n return this._array[this._getCyclicIndex(this._length - 1)]!;\n }\n\n /**\n * Ringbuffer is at max length.\n */\n public get isFull(): boolean {\n return this._length === this._maxLength;\n }\n\n /**\n * Removes and returns the last value on the list.\n * @return The popped value.\n */\n public pop(): T | undefined {\n return this._array[this._getCyclicIndex(this._length-- - 1)];\n }\n\n /**\n * Deletes and/or inserts items at a particular index (in that order). Unlike\n * Array.prototype.splice, this operation does not return the deleted items as a new array in\n * order to save creating a new array. Note that this operation may shift all values in the list\n * in the worst case.\n * @param start The index to delete and/or insert.\n * @param deleteCount The number of elements to delete.\n * @param items The items to insert.\n */\n public splice(start: number, deleteCount: number, ...items: T[]): void {\n // Delete items\n if (deleteCount) {\n for (let i = start; i < this._length - deleteCount; i++) {\n this._array[this._getCyclicIndex(i)] = this._array[this._getCyclicIndex(i + deleteCount)];\n }\n this._length -= deleteCount;\n }\n\n // Add items\n for (let i = this._length - 1; i >= start; i--) {\n this._array[this._getCyclicIndex(i + items.length)] = this._array[this._getCyclicIndex(i)];\n }\n for (let i = 0; i < items.length; i++) {\n this._array[this._getCyclicIndex(start + i)] = items[i];\n }\n\n // Adjust length as needed\n if (this._length + items.length > this._maxLength) {\n const countToTrim = (this._length + items.length) - this._maxLength;\n this._startIndex += countToTrim;\n this._length = this._maxLength;\n this.onTrimEmitter.fire(countToTrim);\n } else {\n this._length += items.length;\n }\n }\n\n /**\n * Trims a number of items from the start of the list.\n * @param count The number of items to remove.\n */\n public trimStart(count: number): void {\n if (count > this._length) {\n count = this._length;\n }\n this._startIndex += count;\n this._length -= count;\n this.onTrimEmitter.fire(count);\n }\n\n public shiftElements(start: number, count: number, offset: number): void {\n if (count <= 0) {\n return;\n }\n if (start < 0 || start >= this._length) {\n throw new Error('start argument out of range');\n }\n if (start + offset < 0) {\n throw new Error('Cannot shift elements in list beyond index 0');\n }\n\n if (offset > 0) {\n for (let i = count - 1; i >= 0; i--) {\n this.set(start + i + offset, this.get(start + i));\n }\n const expandListBy = (start + count + offset) - this._length;\n if (expandListBy > 0) {\n this._length += expandListBy;\n while (this._length > this._maxLength) {\n this._length--;\n this._startIndex++;\n this.onTrimEmitter.fire(1);\n }\n }\n } else {\n for (let i = 0; i < count; i++) {\n this.set(start + i + offset, this.get(start + i));\n }\n }\n }\n\n /**\n * Gets the cyclic index for the specified regular index. The cyclic index can then be used on the\n * backing array to get the element associated with the regular index.\n * @param index The regular index.\n * @returns The cyclic index.\n */\n private _getCyclicIndex(index: number): number {\n return (this._startIndex + index) % this._maxLength;\n }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { BufferLine } from 'common/buffer/BufferLine';\nimport { CircularList } from 'common/CircularList';\nimport { IBufferLine, ICellData } from 'common/Types';\n\nexport interface INewLayoutResult {\n layout: number[];\n countRemoved: number;\n}\n\n/**\n * Evaluates and returns indexes to be removed after a reflow larger occurs. Lines will be removed\n * when a wrapped line unwraps.\n * @param lines The buffer lines.\n * @param newCols The columns after resize.\n */\nexport function reflowLargerGetLinesToRemove(lines: CircularList<IBufferLine>, oldCols: number, newCols: number, bufferAbsoluteY: number, nullCell: ICellData): number[] {\n // Gather all BufferLines that need to be removed from the Buffer here so that they can be\n // batched up and only committed once\n const toRemove: number[] = [];\n\n for (let y = 0; y < lines.length - 1; y++) {\n // Check if this row is wrapped\n let i = y;\n let nextLine = lines.get(++i) as BufferLine;\n if (!nextLine.isWrapped) {\n continue;\n }\n\n // Check how many lines it's wrapped for\n const wrappedLines: BufferLine[] = [lines.get(y) as BufferLine];\n while (i < lines.length && nextLine.isWrapped) {\n wrappedLines.push(nextLine);\n nextLine = lines.get(++i) as BufferLine;\n }\n\n // If these lines contain the cursor don't touch them, the program will handle fixing up wrapped\n // lines with the cursor\n if (bufferAbsoluteY >= y && bufferAbsoluteY < i) {\n y += wrappedLines.length - 1;\n continue;\n }\n\n // Copy buffer data to new locations\n let destLineIndex = 0;\n let destCol = getWrappedLineTrimmedLength(wrappedLines, destLineIndex, oldCols);\n let srcLineIndex = 1;\n let srcCol = 0;\n while (srcLineIndex < wrappedLines.length) {\n const srcTrimmedTineLength = getWrappedLineTrimmedLength(wrappedLines, srcLineIndex, oldCols);\n const srcRemainingCells = srcTrimmedTineLength - srcCol;\n const destRemainingCells = newCols - destCol;\n const cellsToCopy = Math.min(srcRemainingCells, destRemainingCells);\n\n wrappedLines[destLineIndex].copyCellsFrom(wrappedLines[srcLineIndex], srcCol, destCol, cellsToCopy, false);\n\n destCol += cellsToCopy;\n if (destCol === newCols) {\n destLineIndex++;\n destCol = 0;\n }\n srcCol += cellsToCopy;\n if (srcCol === srcTrimmedTineLength) {\n srcLineIndex++;\n srcCol = 0;\n }\n\n // Make sure the last cell isn't wide, if it is copy it to the current dest\n if (destCol === 0 && destLineIndex !== 0) {\n if (wrappedLines[destLineIndex - 1].getWidth(newCols - 1) === 2) {\n wrappedLines[destLineIndex].copyCellsFrom(wrappedLines[destLineIndex - 1], newCols - 1, destCol++, 1, false);\n // Null out the end of the last row\n wrappedLines[destLineIndex - 1].setCell(newCols - 1, nullCell);\n }\n }\n }\n\n // Clear out remaining cells or fragments could remain;\n wrappedLines[destLineIndex].replaceCells(destCol, newCols, nullCell);\n\n // Work backwards and remove any rows at the end that only contain null cells\n let countToRemove = 0;\n for (let i = wrappedLines.length - 1; i > 0; i--) {\n if (i > destLineIndex || wrappedLines[i].getTrimmedLength() === 0) {\n countToRemove++;\n } else {\n break;\n }\n }\n\n if (countToRemove > 0) {\n toRemove.push(y + wrappedLines.length - countToRemove); // index\n toRemove.push(countToRemove);\n }\n\n y += wrappedLines.length - 1;\n }\n return toRemove;\n}\n\n/**\n * Creates and return the new layout for lines given an array of indexes to be removed.\n * @param lines The buffer lines.\n * @param toRemove The indexes to remove.\n */\nexport function reflowLargerCreateNewLayout(lines: CircularList<IBufferLine>, toRemove: number[]): INewLayoutResult {\n const layout: number[] = [];\n // First iterate through the list and get the actual indexes to use for rows\n let nextToRemoveIndex = 0;\n let nextToRemoveStart = toRemove[nextToRemoveIndex];\n let countRemovedSoFar = 0;\n for (let i = 0; i < lines.length; i++) {\n if (nextToRemoveStart === i) {\n const countToRemove = toRemove[++nextToRemoveIndex];\n\n // Tell markers that there was a deletion\n lines.onDeleteEmitter.fire({\n index: i - countRemovedSoFar,\n amount: countToRemove\n });\n\n i += countToRemove - 1;\n countRemovedSoFar += countToRemove;\n nextToRemoveStart = toRemove[++nextToRemoveIndex];\n } else {\n layout.push(i);\n }\n }\n return {\n layout,\n countRemoved: countRemovedSoFar\n };\n}\n\n/**\n * Applies a new layout to the buffer. This essentially does the same as many splice calls but it's\n * done all at once in a single iteration through the list since splice is very expensive.\n * @param lines The buffer lines.\n * @param newLayout The new layout to apply.\n */\nexport function reflowLargerApplyNewLayout(lines: CircularList<IBufferLine>, newLayout: number[]): void {\n // Record original lines so they don't get overridden when we rearrange the list\n const newLayoutLines: BufferLine[] = [];\n for (let i = 0; i < newLayout.length; i++) {\n newLayoutLines.push(lines.get(newLayout[i]) as BufferLine);\n }\n\n // Rearrange the list\n for (let i = 0; i < newLayoutLines.length; i++) {\n lines.set(i, newLayoutLines[i]);\n }\n lines.length = newLayout.length;\n}\n\n/**\n * Gets the new line lengths for a given wrapped line. The purpose of this function it to pre-\n * compute the wrapping points since wide characters may need to be wrapped onto the following line.\n * This function will return an array of numbers of where each line wraps to, the resulting array\n * will only contain the values `newCols` (when the line does not end with a wide character) and\n * `newCols - 1` (when the line does end with a wide character), except for the last value which\n * will contain the remaining items to fill the line.\n *\n * Calling this with a `newCols` value of `1` will lock up.\n *\n * @param wrappedLines The wrapped lines to evaluate.\n * @param oldCols The columns before resize.\n * @param newCols The columns after resize.\n */\nexport function reflowSmallerGetNewLineLengths(wrappedLines: BufferLine[], oldCols: number, newCols: number): number[] {\n const newLineLengths: number[] = [];\n const cellsNeeded = wrappedLines.map((l, i) => getWrappedLineTrimmedLength(wrappedLines, i, oldCols)).reduce((p, c) => p + c);\n\n // Use srcCol and srcLine to find the new wrapping point, use that to get the cellsAvailable and\n // linesNeeded\n let srcCol = 0;\n let srcLine = 0;\n let cellsAvailable = 0;\n while (cellsAvailable < cellsNeeded) {\n if (cellsNeeded - cellsAvailable < newCols) {\n // Add the final line and exit the loop\n newLineLengths.push(cellsNeeded - cellsAvailable);\n break;\n }\n srcCol += newCols;\n const oldTrimmedLength = getWrappedLineTrimmedLength(wrappedLines, srcLine, oldCols);\n if (srcCol > oldTrimmedLength) {\n srcCol -= oldTrimmedLength;\n srcLine++;\n }\n const endsWithWide = wrappedLines[srcLine].getWidth(srcCol - 1) === 2;\n if (endsWithWide) {\n srcCol--;\n }\n const lineLength = endsWithWide ? newCols - 1 : newCols;\n newLineLengths.push(lineLength);\n cellsAvailable += lineLength;\n }\n\n return newLineLengths;\n}\n\nexport function getWrappedLineTrimmedLength(lines: BufferLine[], i: number, cols: number): number {\n // If this is the last row in the wrapped line, get the actual trimmed length\n if (i === lines.length - 1) {\n return lines[i].getTrimmedLength();\n }\n // Detect whether the following line starts with a wide character and the end of the current line\n // is null, if so then we can be pretty sure the null character should be excluded from the line\n // length]\n const endsInNull = !(lines[i].hasContent(cols - 1)) && lines[i].getWidth(cols - 1) === 1;\n const followingLineStartsWithWide = lines[i + 1].getWidth(0) === 2;\n if (endsInNull && followingLineStartsWithWide) {\n return cols - 1;\n }\n return cols;\n}\n","/**\n * Copyright (c) 2018 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { EventEmitter, IEvent } from 'common/EventEmitter';\nimport { Disposable } from 'common/Lifecycle';\nimport { IMarker } from 'common/Types';\n\nexport class Marker extends Disposable implements IMarker {\n private static _nextId = 1;\n\n private _id: number = Marker._nextId++;\n public isDisposed: boolean = false;\n\n public get id(): number { return this._id; }\n\n private _onDispose = new EventEmitter<void>();\n public get onDispose(): IEvent<void> { return this._onDispose.event; }\n\n constructor(\n public line: number\n ) {\n super();\n }\n\n public dispose(): void {\n if (this.isDisposed) {\n return;\n }\n this.isDisposed = true;\n this.line = -1;\n // Emit before super.dispose such that dispose listeners get a change to react\n this._onDispose.fire();\n }\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ICharSizeService, IRenderService, IMouseService } from './Services';\nimport { getCoords, getRawByteCoords } from 'browser/input/Mouse';\n\nexport class MouseService implements IMouseService {\n serviceBrand: any;\n\n constructor(\n @IRenderService private readonly _renderService: IRenderService,\n @ICharSizeService private readonly _charSizeService: ICharSizeService\n ) {\n }\n\n public getCoords(event: {clientX: number, clientY: number}, element: HTMLElement, colCount: number, rowCount: number, isSelection?: boolean): [number, number] | undefined {\n return getCoords(\n event,\n element,\n colCount,\n rowCount,\n this._charSizeService.hasValidSize,\n this._renderService.dimensions.actualCellWidth,\n this._renderService.dimensions.actualCellHeight,\n isSelection\n );\n }\n\n public getRawByteCoords(event: MouseEvent, element: HTMLElement, colCount: number, rowCount: number): { x: number, y: number } | undefined {\n const coords = this.getCoords(event, element, colCount, rowCount);\n return getRawByteCoords(coords);\n }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ICoreService, ILogService, IOptionsService, IBufferService } from 'common/services/Services';\nimport { EventEmitter, IEvent } from 'common/EventEmitter';\nimport { IDecPrivateModes } from 'common/Types';\nimport { clone } from 'common/Clone';\n\nconst DEFAULT_DEC_PRIVATE_MODES: IDecPrivateModes = Object.freeze({\n applicationCursorKeys: false\n});\n\nexport class CoreService implements ICoreService {\n serviceBrand: any;\n\n public isCursorInitialized: boolean = false;\n public isCursorHidden: boolean = false;\n public decPrivateModes: IDecPrivateModes;\n\n private _onData = new EventEmitter<string>();\n public get onData(): IEvent<string> { return this._onData.event; }\n private _onUserInput = new EventEmitter<void>();\n public get onUserInput(): IEvent<void> { return this._onUserInput.event; }\n private _onBinary = new EventEmitter<string>();\n public get onBinary(): IEvent<string> { return this._onBinary.event; }\n\n constructor(\n // TODO: Move this into a service\n private readonly _scrollToBottom: () => void,\n @IBufferService private readonly _bufferService: IBufferService,\n @ILogService private readonly _logService: ILogService,\n @IOptionsService private readonly _optionsService: IOptionsService\n ) {\n this.decPrivateModes = clone(DEFAULT_DEC_PRIVATE_MODES);\n }\n\n public reset(): void {\n this.decPrivateModes = clone(DEFAULT_DEC_PRIVATE_MODES);\n }\n\n public triggerDataEvent(data: string, wasUserInput: boolean = false): void {\n // Prevents all events to pty process if stdin is disabled\n if (this._optionsService.options.disableStdin) {\n return;\n }\n\n // Input is being sent to the terminal, the terminal should focus the prompt.\n const buffer = this._bufferService.buffer;\n if (buffer.ybase !== buffer.ydisp) {\n this._scrollToBottom();\n }\n\n // Fire onUserInput so listeners can react as well (eg. clear selection)\n if (wasUserInput) {\n this._onUserInput.fire();\n }\n\n // Fire onData API\n this._logService.debug(`sending data \"${data}\"`, () => data.split('').map(e => e.charCodeAt(0)));\n this._onData.fire(data);\n }\n\n public triggerBinaryEvent(data: string): void {\n if (this._optionsService.options.disableStdin) {\n return;\n }\n this._logService.debug(`sending binary \"${data}\"`, () => data.split('').map(e => e.charCodeAt(0)));\n this._onBinary.fire(data);\n }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ILogService, IOptionsService } from 'common/services/Services';\n\ntype LogType = (message?: any, ...optionalParams: any[]) => void;\n\ninterface IConsole {\n log: LogType;\n error: LogType;\n info: LogType;\n trace: LogType;\n warn: LogType;\n}\n\n// console is available on both node.js and browser contexts but the common\n// module doesn't depend on them so we need to explicitly declare it.\ndeclare const console: IConsole;\n\n\nexport enum LogLevel {\n DEBUG = 0,\n INFO = 1,\n WARN = 2,\n ERROR = 3,\n OFF = 4\n}\n\nconst optionsKeyToLogLevel: { [key: string]: LogLevel } = {\n debug: LogLevel.DEBUG,\n info: LogLevel.INFO,\n warn: LogLevel.WARN,\n error: LogLevel.ERROR,\n off: LogLevel.OFF\n};\n\nconst LOG_PREFIX = 'xterm.js: ';\n\nexport class LogService implements ILogService {\n serviceBrand: any;\n\n private _logLevel!: LogLevel;\n\n constructor(\n @IOptionsService private readonly _optionsService: IOptionsService\n ) {\n this._updateLogLevel();\n this._optionsService.onOptionChange(key => {\n if (key === 'logLevel') {\n this._updateLogLevel();\n }\n });\n }\n\n private _updateLogLevel(): void {\n this._logLevel = optionsKeyToLogLevel[this._optionsService.options.logLevel];\n }\n\n private _evalLazyOptionalParams(optionalParams: any[]): void {\n for (let i = 0; i < optionalParams.length; i++) {\n if (typeof optionalParams[i] === 'function') {\n optionalParams[i] = optionalParams[i]();\n }\n }\n }\n\n private _log(type: LogType, message: string, optionalParams: any[]): void {\n this._evalLazyOptionalParams(optionalParams);\n type.call(console, LOG_PREFIX + message, ...optionalParams);\n }\n\n debug(message: string, ...optionalParams: any[]): void {\n if (this._logLevel <= LogLevel.DEBUG) {\n this._log(console.log, message, optionalParams);\n }\n }\n\n info(message: string, ...optionalParams: any[]): void {\n if (this._logLevel <= LogLevel.INFO) {\n this._log(console.info, message, optionalParams);\n }\n }\n\n warn(message: string, ...optionalParams: any[]): void {\n if (this._logLevel <= LogLevel.WARN) {\n this._log(console.warn, message, optionalParams);\n }\n }\n\n error(message: string, ...optionalParams: any[]): void {\n if (this._logLevel <= LogLevel.ERROR) {\n this._log(console.error, message, optionalParams);\n }\n }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { IBufferService, IDirtyRowService } from 'common/services/Services';\n\nexport class DirtyRowService implements IDirtyRowService {\n serviceBrand: any;\n\n private _start!: number;\n private _end!: number;\n\n public get start(): number { return this._start; }\n public get end(): number { return this._end; }\n\n constructor(\n @IBufferService private readonly _bufferService: IBufferService\n ) {\n this.clearRange();\n }\n\n public clearRange(): void {\n this._start = this._bufferService.buffer.y;\n this._end = this._bufferService.buffer.y;\n }\n\n public markDirty(y: number): void {\n if (y < this._start) {\n this._start = y;\n } else if (y > this._end) {\n this._end = y;\n }\n }\n\n public markRangeDirty(y1: number, y2: number): void {\n if (y1 > y2) {\n const temp = y1;\n y1 = y2;\n y2 = temp;\n }\n if (y1 < this._start) {\n this._start = y1;\n }\n if (y2 > this._end) {\n this._end = y2;\n }\n }\n\n public markAllDirty(): void {\n this.markRangeDirty(0, this._bufferService.rows - 1);\n }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n *\n * This was heavily inspired from microsoft/vscode's dependency injection system (MIT).\n */\n/*---------------------------------------------------------------------------------------------\n * Copyright (c) Microsoft Corporation. All rights reserved.\n * Licensed under the MIT License. See License.txt in the project root for license information.\n *--------------------------------------------------------------------------------------------*/\n\nimport { IInstantiationService, IServiceIdentifier } from 'common/services/Services';\nimport { getServiceDependencies } from 'common/services/ServiceRegistry';\n\nexport class ServiceCollection {\n\n private _entries = new Map<IServiceIdentifier<any>, any>();\n\n constructor(...entries: [IServiceIdentifier<any>, any][]) {\n for (const [id, service] of entries) {\n this.set(id, service);\n }\n }\n\n set<T>(id: IServiceIdentifier<T>, instance: T): T {\n const result = this._entries.get(id);\n this._entries.set(id, instance);\n return result;\n }\n\n forEach(callback: (id: IServiceIdentifier<any>, instance: any) => any): void {\n this._entries.forEach((value, key) => callback(key, value));\n }\n\n has(id: IServiceIdentifier<any>): boolean {\n return this._entries.has(id);\n }\n\n get<T>(id: IServiceIdentifier<T>): T {\n return this._entries.get(id);\n }\n}\n\nexport class InstantiationService implements IInstantiationService {\n private readonly _services: ServiceCollection = new ServiceCollection();\n\n constructor() {\n this._services.set(IInstantiationService, this);\n }\n\n public setService<T>(id: IServiceIdentifier<T>, instance: T): void {\n this._services.set(id, instance);\n }\n\n public createInstance<T>(ctor: any, ...args: any[]): any {\n const serviceDependencies = getServiceDependencies(ctor).sort((a, b) => a.index - b.index);\n\n const serviceArgs: any[] = [];\n for (const dependency of serviceDependencies) {\n const service = this._services.get(dependency.id);\n if (!service) {\n throw new Error(`[createInstance] ${ctor.name} depends on UNKNOWN service ${dependency.id}.`);\n }\n serviceArgs.push(service);\n }\n\n const firstServiceArgPos = serviceDependencies.length > 0 ? serviceDependencies[0].index : args.length;\n\n // check for argument mismatches, adjust static args if needed\n if (args.length !== firstServiceArgPos) {\n throw new Error(`[createInstance] First service dependency of ${ctor.name} at position ${firstServiceArgPos + 1} conflicts with ${args.length} static arguments`);\n }\n\n // now create the instance\n return <T>new ctor(...[...args, ...serviceArgs]);\n }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\nimport { IBufferService, ICoreService, ICoreMouseService } from 'common/services/Services';\nimport { EventEmitter, IEvent } from 'common/EventEmitter';\nimport { ICoreMouseProtocol, ICoreMouseEvent, CoreMouseEncoding, CoreMouseEventType, CoreMouseButton, CoreMouseAction } from 'common/Types';\n\n/**\n * Supported default protocols.\n */\nconst DEFAULT_PROTOCOLS: {[key: string]: ICoreMouseProtocol} = {\n /**\n * NONE\n * Events: none\n * Modifiers: none\n */\n NONE: {\n events: CoreMouseEventType.NONE,\n restrict: () => false\n },\n /**\n * X10\n * Events: mousedown\n * Modifiers: none\n */\n X10: {\n events: CoreMouseEventType.DOWN,\n restrict: (e: ICoreMouseEvent) => {\n // no wheel, no move, no up\n if (e.button === CoreMouseButton.WHEEL || e.action !== CoreMouseAction.DOWN) {\n return false;\n }\n // no modifiers\n e.ctrl = false;\n e.alt = false;\n e.shift = false;\n return true;\n }\n },\n /**\n * VT200\n * Events: mousedown / mouseup / wheel\n * Modifiers: all\n */\n VT200: {\n events: CoreMouseEventType.DOWN | CoreMouseEventType.UP | CoreMouseEventType.WHEEL,\n restrict: (e: ICoreMouseEvent) => {\n // no move\n if (e.action === CoreMouseAction.MOVE) {\n return false;\n }\n return true;\n }\n },\n /**\n * DRAG\n * Events: mousedown / mouseup / wheel / mousedrag\n * Modifiers: all\n */\n DRAG: {\n events: CoreMouseEventType.DOWN | CoreMouseEventType.UP | CoreMouseEventType.WHEEL | CoreMouseEventType.DRAG,\n restrict: (e: ICoreMouseEvent) => {\n // no move without button\n if (e.action === CoreMouseAction.MOVE && e.button === CoreMouseButton.NONE) {\n return false;\n }\n return true;\n }\n },\n /**\n * ANY\n * Events: all mouse related events\n * Modifiers: all\n */\n ANY: {\n events:\n CoreMouseEventType.DOWN | CoreMouseEventType.UP | CoreMouseEventType.WHEEL\n | CoreMouseEventType.DRAG | CoreMouseEventType.MOVE,\n restrict: (e: ICoreMouseEvent) => true\n }\n};\n\nconst enum Modifiers {\n SHIFT = 4,\n ALT = 8,\n CTRL = 16\n}\n\n// helper for default encoders to generate the event code.\nfunction eventCode(e: ICoreMouseEvent, isSGR: boolean): number {\n let code = (e.ctrl ? Modifiers.CTRL : 0) | (e.shift ? Modifiers.SHIFT : 0) | (e.alt ? Modifiers.ALT : 0);\n if (e.button === CoreMouseButton.WHEEL) {\n code |= 64;\n code |= e.action;\n } else {\n code |= e.button & 3;\n if (e.button & 4) {\n code |= 64;\n }\n if (e.button & 8) {\n code |= 128;\n }\n if (e.action === CoreMouseAction.MOVE) {\n code |= CoreMouseAction.MOVE;\n } else if (e.action === CoreMouseAction.UP && !isSGR) {\n // special case - only SGR can report button on release\n // all others have to go with NONE\n code |= CoreMouseButton.NONE;\n }\n }\n return code;\n}\n\nconst S = String.fromCharCode;\n\n/**\n * Supported default encodings.\n */\nconst DEFAULT_ENCODINGS: {[key: string]: CoreMouseEncoding} = {\n /**\n * DEFAULT - CSI M Pb Px Py\n * Single byte encoding for coords and event code.\n * Can encode values up to 223 (1-based).\n */\n DEFAULT: (e: ICoreMouseEvent) => {\n const params = [eventCode(e, false) + 32, e.col + 32, e.row + 32];\n // supress mouse report if we exceed addressible range\n // Note this is handled differently by emulators\n // - xterm: sends 0;0 coords instead\n // - vte, konsole: no report\n if (params[0] > 255 || params[1] > 255 || params[2] > 255) {\n return '';\n }\n return `\\x1b[M${S(params[0])}${S(params[1])}${S(params[2])}`;\n },\n /**\n * SGR - CSI < Pb ; Px ; Py M|m\n * No encoding limitation.\n * Can report button on release and works with a well formed sequence.\n */\n SGR: (e: ICoreMouseEvent) => {\n const final = (e.action === CoreMouseAction.UP && e.button !== CoreMouseButton.WHEEL) ? 'm' : 'M';\n return `\\x1b[<${eventCode(e, true)};${e.col};${e.row}${final}`;\n }\n};\n\n/**\n * CoreMouseService\n *\n * Provides mouse tracking reports with different protocols and encodings.\n * - protocols: NONE (default), X10, VT200, DRAG, ANY\n * - encodings: DEFAULT, SGR (UTF8, URXVT removed in #2507)\n *\n * Custom protocols/encodings can be added by `addProtocol` / `addEncoding`.\n * To activate a protocol/encoding, set `activeProtocol` / `activeEncoding`.\n * Switching a protocol will send a notification event `onProtocolChange`\n * with a list of needed events to track.\n *\n * The service handles the mouse tracking state and decides whether to send\n * a tracking report to the backend based on protocol and encoding limitations.\n * To send a mouse event call `triggerMouseEvent`.\n */\nexport class CoreMouseService implements ICoreMouseService {\n private _protocols: {[name: string]: ICoreMouseProtocol} = {};\n private _encodings: {[name: string]: CoreMouseEncoding} = {};\n private _activeProtocol: string = '';\n private _activeEncoding: string = '';\n private _onProtocolChange = new EventEmitter<CoreMouseEventType>();\n private _lastEvent: ICoreMouseEvent | null = null;\n\n constructor(\n @IBufferService private readonly _bufferService: IBufferService,\n @ICoreService private readonly _coreService: ICoreService\n ) {\n // register default protocols and encodings\n Object.keys(DEFAULT_PROTOCOLS).forEach(name => this.addProtocol(name, DEFAULT_PROTOCOLS[name]));\n Object.keys(DEFAULT_ENCODINGS).forEach(name => this.addEncoding(name, DEFAULT_ENCODINGS[name]));\n // call reset to set defaults\n this.reset();\n }\n\n public addProtocol(name: string, protocol: ICoreMouseProtocol): void {\n this._protocols[name] = protocol;\n }\n\n public addEncoding(name: string, encoding: CoreMouseEncoding): void {\n this._encodings[name] = encoding;\n }\n\n public get activeProtocol(): string {\n return this._activeProtocol;\n }\n\n public set activeProtocol(name: string) {\n if (!this._protocols[name]) {\n throw new Error(`unknown protocol \"${name}\"`);\n }\n this._activeProtocol = name;\n this._onProtocolChange.fire(this._protocols[name].events);\n }\n\n public get activeEncoding(): string {\n return this._activeEncoding;\n }\n\n public set activeEncoding(name: string) {\n if (!this._encodings[name]) {\n throw new Error(`unknown encoding \"${name}\"`);\n }\n this._activeEncoding = name;\n }\n\n public reset(): void {\n this.activeProtocol = 'NONE';\n this.activeEncoding = 'DEFAULT';\n this._lastEvent = null;\n }\n\n /**\n * Event to announce changes in mouse tracking.\n */\n public get onProtocolChange(): IEvent<CoreMouseEventType> {\n return this._onProtocolChange.event;\n }\n\n /**\n * Triggers a mouse event to be sent.\n *\n * Returns true if the event passed all protocol restrictions and a report\n * was sent, otherwise false. The return value may be used to decide whether\n * the default event action in the bowser component should be omitted.\n *\n * Note: The method will change values of the given event object\n * to fullfill protocol and encoding restrictions.\n */\n public triggerMouseEvent(e: ICoreMouseEvent): boolean {\n // range check for col/row\n if (e.col < 0 || e.col >= this._bufferService.cols\n || e.row < 0 || e.row >= this._bufferService.rows) {\n return false;\n }\n\n // filter nonsense combinations of button + action\n if (e.button === CoreMouseButton.WHEEL && e.action === CoreMouseAction.MOVE) {\n return false;\n }\n if (e.button === CoreMouseButton.NONE && e.action !== CoreMouseAction.MOVE) {\n return false;\n }\n if (e.button !== CoreMouseButton.WHEEL && (e.action === CoreMouseAction.LEFT || e.action === CoreMouseAction.RIGHT)) {\n return false;\n }\n\n // report 1-based coords\n e.col++;\n e.row++;\n\n // debounce move at grid level\n if (e.action === CoreMouseAction.MOVE && this._lastEvent && this._compareEvents(this._lastEvent, e)) {\n return false;\n }\n\n // apply protocol restrictions\n if (!this._protocols[this._activeProtocol].restrict(e)) {\n return false;\n }\n\n // encode report and send\n const report = this._encodings[this._activeEncoding](e);\n if (report) {\n // always send DEFAULT as binary data\n if (this._activeEncoding === 'DEFAULT') {\n this._coreService.triggerBinaryEvent(report);\n } else {\n this._coreService.triggerDataEvent(report, true);\n }\n }\n\n this._lastEvent = e;\n\n return true;\n }\n\n public explainEvents(events: CoreMouseEventType): {[event: string]: boolean} {\n return {\n DOWN: !!(events & CoreMouseEventType.DOWN),\n UP: !!(events & CoreMouseEventType.UP),\n DRAG: !!(events & CoreMouseEventType.DRAG),\n MOVE: !!(events & CoreMouseEventType.MOVE),\n WHEEL: !!(events & CoreMouseEventType.WHEEL)\n };\n }\n\n private _compareEvents(e1: ICoreMouseEvent, e2: ICoreMouseEvent): boolean {\n if (e1.col !== e2.col) return false;\n if (e1.row !== e2.row) return false;\n if (e1.button !== e2.button) return false;\n if (e1.action !== e2.action) return false;\n if (e1.ctrl !== e2.ctrl) return false;\n if (e1.alt !== e2.alt) return false;\n if (e1.shift !== e2.shift) return false;\n return true;\n }\n}\n","\n/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\ndeclare const setTimeout: (handler: () => void, timeout?: number) => void;\n\n/**\n * Safety watermark to avoid memory exhaustion and browser engine crash on fast data input.\n * Enable flow control to avoid this limit and make sure that your backend correctly\n * propagates this to the underlying pty. (see docs for further instructions)\n * Since this limit is meant as a safety parachute to prevent browser crashs,\n * it is set to a very high number. Typically xterm.js gets unresponsive with\n * a 100 times lower number (>500 kB).\n */\nconst DISCARD_WATERMARK = 50000000; // ~50 MB\n\n/**\n * The max number of ms to spend on writes before allowing the renderer to\n * catch up with a 0ms setTimeout. A value of < 33 to keep us close to\n * 30fps, and a value of < 16 to try to run at 60fps. Of course, the real FPS\n * depends on the time it takes for the renderer to draw the frame.\n */\nconst WRITE_TIMEOUT_MS = 12;\n\n/**\n * Threshold of max held chunks in the write buffer, that were already processed.\n * This is a tradeoff between extensive write buffer shifts (bad runtime) and high\n * memory consumption by data thats not used anymore.\n */\nconst WRITE_BUFFER_LENGTH_THRESHOLD = 50;\n\nexport class WriteBuffer {\n private _writeBuffer: (string | Uint8Array)[] = [];\n private _callbacks: ((() => void) | undefined)[] = [];\n private _pendingData = 0;\n private _bufferOffset = 0;\n\n constructor(private _action: (data: string | Uint8Array) => void) { }\n\n public writeSync(data: string | Uint8Array): void {\n // force sync processing on pending data chunks to avoid in-band data scrambling\n // does the same as innerWrite but without event loop\n if (this._writeBuffer.length) {\n for (let i = this._bufferOffset; i < this._writeBuffer.length; ++i) {\n const data = this._writeBuffer[i];\n const cb = this._callbacks[i];\n this._action(data);\n if (cb) cb();\n }\n // reset all to avoid reprocessing of chunks with scheduled innerWrite call\n this._writeBuffer = [];\n this._callbacks = [];\n this._pendingData = 0;\n // stop scheduled innerWrite by offset > length condition\n this._bufferOffset = 0x7FFFFFFF;\n }\n // handle current data chunk\n this._action(data);\n }\n\n public write(data: string | Uint8Array, callback?: () => void): void {\n if (this._pendingData > DISCARD_WATERMARK) {\n throw new Error('write data discarded, use flow control to avoid losing data');\n }\n\n // schedule chunk processing for next event loop run\n if (!this._writeBuffer.length) {\n this._bufferOffset = 0;\n setTimeout(() => this._innerWrite());\n }\n\n this._pendingData += data.length;\n this._writeBuffer.push(data);\n this._callbacks.push(callback);\n }\n\n protected _innerWrite(): void {\n const startTime = Date.now();\n while (this._writeBuffer.length > this._bufferOffset) {\n const data = this._writeBuffer[this._bufferOffset];\n const cb = this._callbacks[this._bufferOffset];\n this._bufferOffset++;\n\n this._action(data);\n this._pendingData -= data.length;\n if (cb) cb();\n\n if (Date.now() - startTime >= WRITE_TIMEOUT_MS) {\n break;\n }\n }\n if (this._writeBuffer.length > this._bufferOffset) {\n // Allow renderer to catch up before processing the next batch\n // trim already processed chunks if we are above threshold\n if (this._bufferOffset > WRITE_BUFFER_LENGTH_THRESHOLD) {\n this._writeBuffer = this._writeBuffer.slice(this._bufferOffset);\n this._callbacks = this._callbacks.slice(this._bufferOffset);\n this._bufferOffset = 0;\n }\n setTimeout(() => this._innerWrite(), 0);\n } else {\n this._writeBuffer = [];\n this._callbacks = [];\n this._pendingData = 0;\n this._bufferOffset = 0;\n }\n }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ICoreBrowserService } from './Services';\n\nexport class CoreBrowserService implements ICoreBrowserService {\n serviceBrand: any;\n\n constructor(\n private _textarea: HTMLTextAreaElement\n ) {\n }\n\n public get isFocused(): boolean {\n return document.activeElement === this._textarea && document.hasFocus();\n }\n}\n","/**\n * Copyright (c) 2019 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ITerminalAddon, IDisposable, Terminal } from 'xterm';\n\nexport interface ILoadedAddon {\n instance: ITerminalAddon;\n dispose: () => void;\n isDisposed: boolean;\n}\n\nexport class AddonManager implements IDisposable {\n protected _addons: ILoadedAddon[] = [];\n\n constructor() {\n }\n\n public dispose(): void {\n for (let i = this._addons.length - 1; i >= 0; i--) {\n this._addons[i].instance.dispose();\n }\n }\n\n public loadAddon(terminal: Terminal, instance: ITerminalAddon): void {\n const loadedAddon: ILoadedAddon = {\n instance,\n dispose: instance.dispose,\n isDisposed: false\n };\n this._addons.push(loadedAddon);\n instance.dispose = () => this._wrappedAddonDispose(loadedAddon);\n instance.activate(<any>terminal);\n }\n\n private _wrappedAddonDispose(loadedAddon: ILoadedAddon): void {\n if (loadedAddon.isDisposed) {\n // Do nothing if already disposed\n return;\n }\n let index = -1;\n for (let i = 0; i < this._addons.length; i++) {\n if (this._addons[i] === loadedAddon) {\n index = i;\n break;\n }\n }\n if (index === -1) {\n throw new Error('Could not dispose an addon that has not been loaded');\n }\n loadedAddon.isDisposed = true;\n loadedAddon.dispose.apply(loadedAddon.instance);\n this._addons.splice(index, 1);\n }\n}\n"],"sourceRoot":""}
\ No newline at end of file
--
2.20.1
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