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oxc_css_parser/parser/at_rule/
custom_media.rs

1use super::Parser;
2use crate::{Parse, ast::*, error::PResult, pos::Span, tokenizer::Token};
3
4// https://www.w3.org/TR/mediaqueries-5/#custom-mq
5impl<'a> Parse<'a> for CustomMedia<'a> {
6    fn parse(input: &mut Parser<'a>) -> PResult<Self> {
7        let name = input.parse_dashed_ident()?;
8        let value = input.parse::<CustomMediaValue>()?;
9        let span = Span { start: name.span().start, end: value.span().end };
10        Ok(CustomMedia { name, value, span })
11    }
12}
13
14impl<'a> Parse<'a> for CustomMediaValue<'a> {
15    fn parse(input: &mut Parser<'a>) -> PResult<Self> {
16        match &input.cursor.peek()?.token {
17            Token::Ident(ident) => {
18                let name = ident.name();
19                if name.eq_ignore_ascii_case("true") {
20                    input.parse().map(CustomMediaValue::True)
21                } else if name.eq_ignore_ascii_case("false") {
22                    input.parse().map(CustomMediaValue::False)
23                } else {
24                    input.parse().map(CustomMediaValue::MediaQueryList)
25                }
26            }
27            _ => input.parse().map(CustomMediaValue::MediaQueryList),
28        }
29    }
30}