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)]
13#[derive(csskit_derives::NodeWithMetadata)]
14pub struct StripesFunction<'a> {
15	#[cfg_attr(feature = "visitable", visit(skip))]
16	#[atom(CssAtomSet::Stripes)]
17	pub name: T![Function],
18	pub params: CommaSeparated<'a, ColorStripe>,
19	#[cfg_attr(feature = "visitable", visit(skip))]
20	pub close: T![')'],
21}
22
23/// <https://drafts.csswg.org/css-images-4/#typedef-color-stripe>
24///
25/// ```text,ignore
26/// <color-stripe> = <color> && [ <length-percentage> | <flex> ]?
27/// ```
28#[derive(ToCursors, ToSpan, SemanticEq, Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
29#[cfg_attr(feature = "serde", derive(serde::Serialize), serde())]
30#[cfg_attr(feature = "visitable", derive(csskit_derives::Visitable), visit(children))]
31#[derive(csskit_derives::NodeWithMetadata)]
32pub struct ColorStripe {
33	pub color: Color,
34	pub thickness: Option<LengthPercentageOrFlex>,
35}
36
37impl<'a> Peek<'a> for ColorStripe {
38	fn peek<I>(p: &Parser<'a, I>, c: Cursor) -> bool
39	where
40		I: Iterator<Item = Cursor> + Clone,
41	{
42		Color::peek(p, c) || LengthPercentageOrFlex::peek(p, c)
43	}
44}
45
46impl<'a> Parse<'a> for ColorStripe {
47	fn parse<I>(p: &mut Parser<'a, I>) -> ParserResult<Self>
48	where
49		I: Iterator<Item = Cursor> + Clone,
50	{
51		let mut color = p.parse_if_peek::<Color>()?;
52		let thickness = p.parse_if_peek::<LengthPercentageOrFlex>()?;
53		if color.is_none() {
54			color = Some(p.parse::<Color>()?);
55		}
56		Ok(Self { color: color.unwrap(), thickness })
57	}
58}
59
60#[cfg(test)]
61mod tests {
62	use super::*;
63	use crate::CssAtomSet;
64	use css_parse::assert_parse;
65
66	#[test]
67	fn size_test() {
68		assert_eq!(std::mem::size_of::<StripesFunction>(), 56);
69		assert_eq!(std::mem::size_of::<ColorStripe>(), 156);
70	}
71
72	#[test]
73	fn test_writes() {
74		assert_parse!(CssAtomSet::ATOMS, StripesFunction, "stripes(red 1fr,green 2fr,blue 100px)");
75		assert_parse!(CssAtomSet::ATOMS, StripesFunction, "stripes(0.1fr red,0.2fr green,100px blue)");
76		assert_parse!(CssAtomSet::ATOMS, StripesFunction, "stripes(red 1fr,2fr green,blue 100px)");
77	}
78}
css_ast/functions/stripes_function.rs

css_ast/functions/
stripes_function.rs
