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Weird lifetime issue.

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This commit is contained in:
Tom Alexander 2022-12-03 23:07:16 -05:00
parent 11cf24a500
commit ff65776607
Signed by: talexander
GPG Key ID: D3A179C9A53C0EDE
1 changed files with 17 additions and 8 deletions
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25
src/parser/text_element_parser.rs
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@ -39,12 +39,12 @@ use nom::Parser;
use tracing::instrument;
use tracing::trace;
type UnboundMatcher<'r, I, O, E> = dyn for<'s> Fn(Context<'r>, I) -> IResult<I, O, E>;
type UnboundMatcher<'r, I, O, E> = dyn Fn(Context<'r>, I) -> IResult<I, O, E>;
fn context_many_till<'r, I, O, E, F>(
context: Context<'r>,
mut many_matcher: UnboundMatcher<'r, I, O, E>,
mut till_matcher: UnboundMatcher<'r, I, F, E>,
mut many_matcher: &UnboundMatcher<'r, I, O, E>,
mut till_matcher: &UnboundMatcher<'r, I, F, E>,
) -> impl FnMut(I) -> IResult<I, (Vec<O>, F), E>
where
I: Clone + InputLength,
@ -54,10 +54,12 @@ where
let mut ret = Vec::new();
loop {
let len = i.input_len();
match till_matcher.parse(i.clone()) {
let till_parser = parser_with_context!(till_matcher);
match till_parser(context.clone())(i.clone()) {
Ok((remaining, finish)) => return Ok((remaining, (ret, finish))),
Err(nom::Err::Error(_)) => {
match many_matcher.parse(i.clone()) {
let many_parser = parser_with_context!(many_matcher);
match many_parser(context.clone())(i.clone()) {
Err(nom::Err::Error(err)) => {
return Err(nom::Err::Error(E::append(i, ErrorKind::ManyTill, err)))
}
@ -77,7 +79,7 @@ where
}
}
Err(e) => return Err(e),
}
};
}
}
}
@ -89,6 +91,10 @@ pub fn document(input: &str) -> Res<&str, Vec<(Vec<TextElement>, &str)>> {
ret
}
pub fn context_paragraph_end<'s, 'r>(context: Context<'r>, input: &str) -> Res<&str, &str> {
paragraph_end(input)
}
pub fn paragraph<'s, 'r>(
context: Context<'r>,
i: &'s str,
@ -100,8 +106,11 @@ pub fn paragraph<'s, 'r>(
fail_matcher: ChainBehavior::AndParent(Some(&paragraph_end)),
}));
let ret = {
let text_element_parser = parser_with_context!(flat_text_element)(paragraph_context);
context_many_till(&paragraph_context, text_element_parser, paragraph_end)(i)
context_many_till(
&paragraph_context,
&flat_text_element,
&context_paragraph_end,
)(i)
};
ret
}