css_ast/functions/
stripes_function.rs

1use super::prelude::*;
2use crate::{types::Color, units::LengthPercentageOrFlex};
3
4/// <https://drafts.csswg.org/css-images-4/#typedef-image-1d>
5///
6/// ```text,ignore
7/// <stripes()> = stripes( <color-stripe># )
8/// <color-stripe> = <color> && [ <length-percentage> | <flex> ]?
9/// ```
10#[derive(Parse, Peek, ToCursors, ToSpan, SemanticEq, Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
11#[cfg_attr(feature = "serde", derive(serde::Serialize), serde())]
12#[cfg_attr(feature = "visitable", derive(csskit_derives::Visitable), visit)]
13pub struct StripesFunction<'a> {
14	#[cfg_attr(feature = "visitable", visit(skip))]
15	#[atom(CssAtomSet::Stripes)]
16	pub name: T![Function],
17	pub params: CommaSeparated<'a, ColorStripe>,
18	#[cfg_attr(feature = "visitable", visit(skip))]
19	pub close: T![')'],
20}
21
22/// <https://drafts.csswg.org/css-images-4/#typedef-color-stripe>
23///
24/// ```text,ignore
25/// <color-stripe> = <color> && [ <length-percentage> | <flex> ]?
26/// ```
27#[derive(ToCursors, ToSpan, SemanticEq, Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
28#[cfg_attr(feature = "serde", derive(serde::Serialize), serde())]
29#[cfg_attr(feature = "visitable", derive(csskit_derives::Visitable), visit(children))]
30pub struct ColorStripe {
31	pub color: Color,
32	pub thickness: Option<LengthPercentageOrFlex>,
33}
34
35impl<'a> Peek<'a> for ColorStripe {
36	fn peek<I>(p: &Parser<'a, I>, c: Cursor) -> bool
37	where
38		I: Iterator<Item = Cursor> + Clone,
39	{
40		Color::peek(p, c) || LengthPercentageOrFlex::peek(p, c)
41	}
42}
43
44impl<'a> Parse<'a> for ColorStripe {
45	fn parse<I>(p: &mut Parser<'a, I>) -> ParserResult<Self>
46	where
47		I: Iterator<Item = Cursor> + Clone,
48	{
49		let mut color = p.parse_if_peek::<Color>()?;
50		let thickness = p.parse_if_peek::<LengthPercentageOrFlex>()?;
51		if color.is_none() {
52			color = Some(p.parse::<Color>()?);
53		}
54		Ok(Self { color: color.unwrap(), thickness })
55	}
56}
57
58#[cfg(test)]
59mod tests {
60	use super::*;
61	use crate::CssAtomSet;
62	use css_parse::assert_parse;
63
64	#[test]
65	fn size_test() {
66		assert_eq!(std::mem::size_of::<StripesFunction>(), 56);
67		assert_eq!(std::mem::size_of::<ColorStripe>(), 156);
68	}
69
70	#[test]
71	fn test_writes() {
72		assert_parse!(CssAtomSet::ATOMS, StripesFunction, "stripes(red 1fr,green 2fr,blue 100px)");
73		assert_parse!(CssAtomSet::ATOMS, StripesFunction, "stripes(0.1fr red,0.2fr green,100px blue)");
74		assert_parse!(CssAtomSet::ATOMS, StripesFunction, "stripes(red 1fr,2fr green,blue 100px)");
75	}
76}
css_ast/functions/stripes_function.rs

css_ast/functions/
stripes_function.rs
