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systemd/time: extract Time/DateSpec structs

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could be pulled up into CalendarEvent if desired..

Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
This commit is contained in:
Fabian Grünbichler 2021-01-25 14:42:51 +01:00 committed by Wolfgang Bumiller
parent bd215dc0e4
commit 9cc1415ef5
1 changed files with 27 additions and 14 deletions
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41
src/tools/systemd/parse_time.rs
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@ -86,6 +86,19 @@ lazy_static! {
map
};
}
struct TimeSpec {
hour: Vec<DateTimeValue>,
minute: Vec<DateTimeValue>,
second: Vec<DateTimeValue>,
}
struct DateSpec {
year: Vec<DateTimeValue>,
month: Vec<DateTimeValue>,
day: Vec<DateTimeValue>,
}
fn parse_time_comp(max: usize) -> impl Fn(&str) -> IResult<&str, u32> {
move |i: &str| {
let (i, v) = map_res(recognize(digit1), str::parse)(i)?;
@ -176,7 +189,7 @@ fn parse_date_time_comp_list(start: u32, max: usize) -> impl Fn(&str) -> IResult
}
}
fn parse_time_spec(i: &str) -> IResult<&str, (Vec<DateTimeValue>, Vec<DateTimeValue>, Vec<DateTimeValue>)> {
fn parse_time_spec(i: &str) -> IResult<&str, TimeSpec> {
let (i, (hour, minute, opt_second)) = tuple((
parse_date_time_comp_list(0, 24),
@ -185,13 +198,13 @@ fn parse_time_spec(i: &str) -> IResult<&str, (Vec<DateTimeValue>, Vec<DateTimeVa
))(i)?;
if let Some(second) = opt_second {
Ok((i, (hour, minute, second)))
Ok((i, TimeSpec { hour, minute, second }))
} else {
Ok((i, (hour, minute, vec![DateTimeValue::Single(0)])))
Ok((i, TimeSpec { hour, minute, second: vec![DateTimeValue::Single(0)] }))
}
}
fn parse_date_spec(i: &str) -> IResult<&str, (Vec<DateTimeValue>, Vec<DateTimeValue>, Vec<DateTimeValue>)> {
fn parse_date_spec(i: &str) -> IResult<&str, DateSpec> {
// TODO: implement ~ for days (man systemd.time)
if let Ok((i, (year, month, day))) = tuple((
@ -199,12 +212,12 @@ fn parse_date_spec(i: &str) -> IResult<&str, (Vec<DateTimeValue>, Vec<DateTimeVa
preceded(tag("-"), parse_date_time_comp_list(1, 13)),
preceded(tag("-"), parse_date_time_comp_list(1, 32)),
))(i) {
Ok((i, (year, month, day)))
Ok((i, DateSpec { year, month, day }))
} else if let Ok((i, (month, day))) = tuple((
parse_date_time_comp_list(1, 13),
preceded(tag("-"), parse_date_time_comp_list(1, 32)),
))(i) {
Ok((i, (Vec::new(), month, day)))
Ok((i, DateSpec { year: Vec::new(), month, day }))
} else {
Err(parse_error(i, "invalid date spec"))
}
@ -317,18 +330,18 @@ fn parse_calendar_event_incomplete(mut i: &str) -> IResult<&str, CalendarEvent>
for range in range_list { event.days.insert(range); }
}
if let (n, Some((year, month, day))) = opt(parse_date_spec)(i)? {
event.year = year;
event.month = month;
event.day = day;
if let (n, Some(date)) = opt(parse_date_spec)(i)? {
event.year = date.year;
event.month = date.month;
event.day = date.day;
has_datespec = true;
i = space0(n)?.0;
}
if let (n, Some((hour, minute, second))) = opt(parse_time_spec)(i)? {
event.hour = hour;
event.minute = minute;
event.second = second;
if let (n, Some(time)) = opt(parse_time_spec)(i)? {
event.hour = time.hour;
event.minute = time.minute;
event.second = time.second;
has_timespec = true;
i = n;
} else {