33 lines
1.2 KiB
Rust
33 lines
1.2 KiB
Rust
use nom::branch::alt;
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use nom::bytes::complete::tag;
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use nom::character::complete::line_ending;
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use nom::character::complete::space0;
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use nom::combinator::eof;
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use nom::combinator::recognize;
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use nom::sequence::tuple;
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use super::sexp::sexp;
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use super::Context;
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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::maybe_consume_trailing_whitespace_if_not_exiting;
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use crate::parser::util::start_of_line;
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use crate::parser::DiarySexp;
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#[tracing::instrument(ret, level = "debug")]
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pub fn diary_sexp<'r, 's>(context: Context<'r, 's>, input: &'s str) -> Res<&'s str, DiarySexp<'s>> {
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start_of_line(context, input)?;
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let (remaining, _leading_whitespace) = space0(input)?;
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let (remaining, _clock) = tag("%%")(remaining)?;
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let (remaining, _gap_whitespace) = space0(remaining)?;
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let (remaining, _sexp) = recognize(sexp)(remaining)?;
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let (remaining, _trailing_whitespace) =
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recognize(tuple((space0, alt((line_ending, eof)))))(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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Ok((remaining, DiarySexp { source }))
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}
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