css_ast/functions/
image_set_function.rs

1use super::prelude::*;
2use crate::{Image, Resolution};
3
4/// <https://drafts.csswg.org/css-images-4/#funcdef-image-set>
5///
6/// ```text
7/// <image-set()> = image-set( <image-set-option># )
8/// <image-set-option> = [ <image> | <string> ] [ <resolution> || type(<string>) ]?
9/// ```
10#[derive(Parse, Peek, ToSpan, ToCursors, SemanticEq, Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
11#[cfg_attr(feature = "serde", derive(serde::Serialize))]
12#[cfg_attr(feature = "visitable", derive(csskit_derives::Visitable), visit(self))]
13#[derive(csskit_derives::NodeWithMetadata)]
14pub struct ImageSetFunction<'a> {
15	#[atom(CssAtomSet::ImageSet)]
16	pub name: T![Function],
17	pub params: CommaSeparated<'a, ImageSetParams<'a>>,
18	pub close: T![')'],
19}
20
21#[derive(Parse, Peek, ToSpan, ToCursors, SemanticEq, Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
22#[cfg_attr(feature = "serde", derive(serde::Serialize))]
23pub enum ImageSetParams<'a> {
24	Image(Image<'a>, Option<ResolutionOrType>),
25	String(T![String], Option<ResolutionOrType>),
26}
27
28#[derive(Parse, Peek, ToSpan, ToCursors, SemanticEq, Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
29#[cfg_attr(feature = "serde", derive(serde::Serialize), serde())]
30pub enum ResolutionOrType {
31	Resolution(Resolution),
32	Type(#[atom(CssAtomSet::Type)] T![Function], T![String], T![')']),
33}
34
35#[cfg(test)]
36mod tests {
37	use super::*;
38	use crate::CssAtomSet;
39	use css_parse::assert_parse;
40
41	#[test]
42	fn size_test() {
43		assert_eq!(std::mem::size_of::<ImageSetFunction>(), 56);
44	}
45
46	#[test]
47	fn test_writes() {
48		assert_parse!(CssAtomSet::ATOMS, ImageSetFunction, "image-set('image.jpg'1x,'image.jpg'2x)");
49		assert_parse!(
50			CssAtomSet::ATOMS,
51			ImageSetFunction,
52			"image-set(url('1.avif')type('image/avif'),url('2.jpg')type('image/jpeg'))"
53		);
54		assert_parse!(CssAtomSet::ATOMS, ImageSetFunction, "image-set(url(foo))");
55	}
56}
css_ast/functions/image_set_function.rs

css_ast/functions/
image_set_function.rs
