organic/src/parser/clock.rs
2023-09-11 14:59:23 -04:00

81 lines
2.3 KiB
Rust

use nom::branch::alt;
use nom::bytes::complete::is_not;
use nom::bytes::complete::tag;
use nom::bytes::complete::tag_no_case;
use nom::character::complete::digit1;
use nom::character::complete::line_ending;
use nom::character::complete::space0;
use nom::character::complete::space1;
use nom::combinator::eof;
use nom::combinator::recognize;
use nom::combinator::verify;
use nom::sequence::tuple;
use super::org_source::OrgSource;
use crate::context::parser_with_context;
use crate::context::RefContext;
use crate::error::Res;
use crate::parser::util::get_consumed;
use crate::parser::util::start_of_line;
use crate::types::Clock;
#[cfg_attr(feature = "tracing", tracing::instrument(ret, level = "debug"))]
pub(crate) fn clock<'b, 'g, 'r, 's>(
context: RefContext<'b, 'g, 'r, 's>,
input: OrgSource<'s>,
) -> Res<OrgSource<'s>, Clock<'s>> {
start_of_line(input)?;
let (remaining, _leading_whitespace) = space0(input)?;
let (remaining, _clock) = tag_no_case("clock:")(remaining)?;
let (remaining, _gap_whitespace) = space1(remaining)?;
let (remaining, _timestamp_junk) = alt((
parser_with_context!(inactive_timestamp_range_duration)(context),
parser_with_context!(inactive_timestamp)(context),
))(remaining)?;
let source = get_consumed(input, remaining);
Ok((
remaining,
Clock {
source: source.into(),
},
))
}
#[cfg_attr(feature = "tracing", tracing::instrument(ret, level = "debug"))]
fn inactive_timestamp_range_duration<'b, 'g, 'r, 's>(
_context: RefContext<'b, 'g, 'r, 's>,
input: OrgSource<'s>,
) -> Res<OrgSource<'s>, OrgSource<'s>> {
recognize(tuple((
tag("["),
is_not("\r\n]"),
tag("]--["),
is_not("\r\n]"),
tag("]"),
space1,
tag("=>"),
space1,
digit1,
tag(":"),
verify(digit1, |mm: &OrgSource<'_>| mm.len() == 2),
space0,
alt((line_ending, eof)),
)))(input)
}
#[cfg_attr(feature = "tracing", tracing::instrument(ret, level = "debug"))]
fn inactive_timestamp<'b, 'g, 'r, 's>(
_context: RefContext<'b, 'g, 'r, 's>,
input: OrgSource<'s>,
) -> Res<OrgSource<'s>, OrgSource<'s>> {
recognize(tuple((
tag("["),
is_not("\r\n]"),
tag("]"),
space0,
alt((line_ending, eof)),
)))(input)
}