oni_comb_parser/text/
take_while0.rs

1use crate::error::ParseError;
2use crate::fail::PResult;
3use crate::parser::Parser;
4use crate::str_input::StrInput;
5
6pub struct TakeWhile0<F>(F);
7
8pub fn take_while0<F: FnMut(char) -> bool>(f: F) -> TakeWhile0<F> {
9  TakeWhile0(f)
10}
11
12impl<'a, F> Parser<StrInput<'a>> for TakeWhile0<F>
13where
14  F: FnMut(char) -> bool,
15{
16  type Error = ParseError;
17  type Output = &'a str;
18
19  #[inline]
20  fn parse_next(&mut self, input: &mut StrInput<'a>) -> PResult<&'a str, ParseError> {
21    let remaining = input.as_str();
22    let mut consumed = 0;
23    for c in remaining.chars() {
24      if (self.0)(c) {
25        consumed += c.len_utf8();
26      } else {
27        break;
28      }
29    }
30    input.advance(consumed);
31    Ok(&remaining[..consumed])
32  }
33}

oni_comb_parser/text/take_while0.rs

oni_comb_parser/text/
take_while0.rs