95 lines
2.8 KiB
Rust
95 lines
2.8 KiB
Rust
use nom::branch::alt;
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use nom::bytes::complete::tag;
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use nom::bytes::complete::tag_no_case;
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use nom::character::complete::space0;
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use nom::character::complete::space1;
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use nom::combinator::map;
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use nom::multi::many1;
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use nom::sequence::tuple;
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use super::org_source::OrgSource;
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use super::timestamp::timestamp;
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use super::util::maybe_consume_trailing_whitespace_if_not_exiting;
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use super::util::org_line_ending;
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use crate::context::parser_with_context;
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use crate::context::RefContext;
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use crate::error::Res;
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use crate::parser::util::get_consumed;
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use crate::parser::util::start_of_line;
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use crate::types::Planning;
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use crate::types::Timestamp;
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#[cfg_attr(
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feature = "tracing",
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tracing::instrument(ret, level = "debug", skip(context))
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)]
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pub(crate) fn planning<'b, 'g, 'r, 's>(
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context: RefContext<'b, 'g, 'r, 's>,
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input: OrgSource<'s>,
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) -> Res<OrgSource<'s>, Planning<'s>> {
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start_of_line(input)?;
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let (remaining, _leading_whitespace) = space0(input)?;
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let (remaining, planning_parameters) =
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many1(parser_with_context!(planning_parameter)(context))(remaining)?;
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let (remaining, _trailing_ws) = tuple((space0, org_line_ending))(remaining)?;
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let (remaining, _trailing_ws) =
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maybe_consume_trailing_whitespace_if_not_exiting(context, remaining)?;
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let source = get_consumed(input, remaining);
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let mut scheduled = None;
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let mut deadline = None;
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let mut closed = None;
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for (timestamp_type, timestamp) in planning_parameters.into_iter() {
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match timestamp_type {
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PlanningTimestampType::Scheduled => {
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scheduled = Some(timestamp);
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}
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PlanningTimestampType::Deadline => {
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deadline = Some(timestamp);
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}
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PlanningTimestampType::Closed => {
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closed = Some(timestamp);
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}
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}
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}
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Ok((
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remaining,
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Planning {
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source: source.into(),
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scheduled,
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deadline,
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closed,
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},
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))
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}
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#[derive(Debug)]
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enum PlanningTimestampType {
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Scheduled,
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Deadline,
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Closed,
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}
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#[cfg_attr(
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feature = "tracing",
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tracing::instrument(ret, level = "debug", skip(context))
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)]
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fn planning_parameter<'b, 'g, 'r, 's>(
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context: RefContext<'b, 'g, 'r, 's>,
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input: OrgSource<'s>,
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) -> Res<OrgSource<'s>, (PlanningTimestampType, Timestamp<'s>)> {
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let (remaining, planning_type) = alt((
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map(tag_no_case("DEADLINE"), |_| PlanningTimestampType::Deadline),
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map(tag_no_case("SCHEDULED"), |_| {
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PlanningTimestampType::Scheduled
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}),
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map(tag_no_case("CLOSED"), |_| PlanningTimestampType::Closed),
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))(input)?;
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let (remaining, _gap) = tuple((tag(":"), space1))(remaining)?;
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let (remaining, timestamp) = timestamp(context, remaining)?;
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Ok((remaining, (planning_type, timestamp)))
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}
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