[pbs-devel] [PATCH proxmox-backup 1/4] tools/systemd/parse_time: enable */x syntax for calendar events
Dominik Csapak
d.csapak at proxmox.com
Fri Sep 11 10:35:25 CEST 2020
we support this in pve, so also support it here to have a more
consistent syntax
Signed-off-by: Dominik Csapak <d.csapak at proxmox.com>
---
src/tools/systemd/parse_time.rs | 27 +++++++++++++++++----------
1 file changed, 17 insertions(+), 10 deletions(-)
diff --git a/src/tools/systemd/parse_time.rs b/src/tools/systemd/parse_time.rs
index d30a1acc..a1e40139 100644
--- a/src/tools/systemd/parse_time.rs
+++ b/src/tools/systemd/parse_time.rs
@@ -161,10 +161,17 @@ fn parse_date_time_comp(max: usize) -> impl Fn(&str) -> IResult<&str, DateTimeVa
}
}
-fn parse_date_time_comp_list(max: usize) -> impl Fn(&str) -> IResult<&str, Vec<DateTimeValue>> {
+fn parse_date_time_comp_list(start: u32, max: usize) -> impl Fn(&str) -> IResult<&str, Vec<DateTimeValue>> {
move |i: &str| {
if i.starts_with("*") {
- return Ok((&i[1..], Vec::new()));
+ let i = &i[1..];
+ if i.starts_with("/") {
+ let (n, repeat) = parse_time_comp(max)(&i[1..])?;
+ if repeat > 0 {
+ return Ok((n, vec![DateTimeValue::Repeated(start, repeat)]));
+ }
+ }
+ return Ok((i, Vec::new()));
}
separated_nonempty_list(tag(","), parse_date_time_comp(max))(i)
@@ -174,9 +181,9 @@ fn parse_date_time_comp_list(max: usize) -> impl Fn(&str) -> IResult<&str, Vec<D
fn parse_time_spec(i: &str) -> IResult<&str, (Vec<DateTimeValue>, Vec<DateTimeValue>, Vec<DateTimeValue>)> {
let (i, (hour, minute, opt_second)) = tuple((
- parse_date_time_comp_list(24),
- preceded(tag(":"), parse_date_time_comp_list(60)),
- opt(preceded(tag(":"), parse_date_time_comp_list(60))),
+ parse_date_time_comp_list(0, 24),
+ preceded(tag(":"), parse_date_time_comp_list(0, 60)),
+ opt(preceded(tag(":"), parse_date_time_comp_list(0, 60))),
))(i)?;
if let Some(second) = opt_second {
@@ -190,14 +197,14 @@ fn parse_date_spec(i: &str) -> IResult<&str, (Vec<DateTimeValue>, Vec<DateTimeVa
// TODO: implement ~ for days (man systemd.time)
if let Ok((i, (year, month, day))) = tuple((
- parse_date_time_comp_list(2200), // the upper limit for systemd, stay compatible
- preceded(tag("-"), parse_date_time_comp_list(13)),
- preceded(tag("-"), parse_date_time_comp_list(32)),
+ parse_date_time_comp_list(0, 2200), // the upper limit for systemd, stay compatible
+ preceded(tag("-"), parse_date_time_comp_list(1, 13)),
+ preceded(tag("-"), parse_date_time_comp_list(1, 32)),
))(i) {
Ok((i, (year, month, day)))
} else if let Ok((i, (month, day))) = tuple((
- parse_date_time_comp_list(13),
- preceded(tag("-"), parse_date_time_comp_list(32)),
+ parse_date_time_comp_list(1, 13),
+ preceded(tag("-"), parse_date_time_comp_list(1, 32)),
))(i) {
Ok((i, (Vec::new(), month, day)))
} else {
--
2.20.1
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