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kdl-rs
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Fix newline handling in single-line comments (#2)

This commit is contained in:
Lily Ballard 2020-12-16 00:49:13 -08:00 committed by GitHub
parent 19b0d8c192
commit 597b89a6cd
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1 changed files with 8 additions and 5 deletions
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13
src/parser.rs
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@ -1,12 +1,12 @@
use std::collections::HashMap;
use nom::branch::alt;
use nom::bytes::complete::{is_not, tag, take_until, take_while_m_n};
use nom::character::complete::{alpha1, alphanumeric1, char, none_of, one_of};
use nom::bytes::complete::{tag, take_until, take_while_m_n};
use nom::character::complete::{alpha1, alphanumeric1, anychar, char, none_of, one_of};
use nom::combinator::{eof, map, map_opt, map_res, opt, recognize, value};
use nom::multi::{fold_many0, many0, many1};
use nom::sequence::{delimited, pair, preceded, terminated, tuple};
use nom::IResult;
use nom::{branch::alt, multi::many_till};
use crate::error::KdlParseError;
use crate::node::{KdlNode, KdlNodeValue};
@ -268,8 +268,7 @@ fn node_space(input: &str) -> IResult<&str, (), KdlParseError<&str>> {
/// `single-line-comment := '//' ('\r' [^\n] | [^\r\n])* (newline | eof)`
fn single_line_comment(input: &str) -> IResult<&str, (), KdlParseError<&str>> {
let (input, _) = tag("//")(input)?;
let (input, _) = alt((take_until("\r\n"), is_not("\n")))(input)?;
let (input, _) = alt((newline, value((), eof)))(input)?;
let (input, _) = many_till(value((), anychar), alt((newline, value((), eof))))(input)?;
Ok((input, ()))
}
@ -433,6 +432,10 @@ mod tests {
assert_eq!(single_line_comment("//hello\r\n"), Ok(("", ())));
assert_eq!(single_line_comment("//hello\n\r"), Ok(("\r", ())));
assert_eq!(single_line_comment("//hello\rworld"), Ok(("", ())));
assert_eq!(
single_line_comment("//hello\nworld\r\n"),
Ok(("world\r\n", ()))
);
}
#[test]