css_ast/types/
image.rs

1use super::prelude::*;
2
3use crate::{CrossFadeFunction, ElementFunction, Gradient, ImageFunction, ImageSetFunction, Url};
4use css_parse::Box;
5
6/// <https://drafts.csswg.org/css-images-4/#typedef-image>
7///
8/// ```text
9/// <image> = <url> | <image()> | <image-set()> | <cross-fade()> | <element()> | <gradient>
10/// ```
11#[node]
12#[derive(Parse, Peek, ToCursors, ToSpan, SemanticEq, Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
13#[cfg_attr(feature = "serde", derive(serde::Serialize), serde())]
14#[cfg_attr(feature = "visitable", derive(csskit_derives::Visitable), visit)]
15#[derive(csskit_derives::NodeWithMetadata)]
16pub enum Image<'a> {
17	Url(Url),
18	#[atom(CssAtomSet::Image)]
19	ImageFunction(Box<'a, ImageFunction<'a>>),
20	#[atom(CssAtomSet::ImageSet)]
21	ImageSetFunction(Box<'a, ImageSetFunction<'a>>),
22	#[atom(CssAtomSet::CrossFade)]
23	CrossFadeFunction(Box<'a, CrossFadeFunction<'a>>),
24	#[atom(CssAtomSet::Element)]
25	ElementFunction(Box<'a, ElementFunction>),
26	Gradient(Gradient<'a>),
27}
28
29#[cfg(test)]
30mod tests {
31	use super::*;
32	use crate::CssAtomSet;
33	use css_parse::assert_parse;
34
35	#[test]
36	fn test_writes() {
37		assert_parse!(CssAtomSet::ATOMS, Image, "url('foo')");
38		assert_parse!(CssAtomSet::ATOMS, Image, "url(\"foo\")");
39		assert_parse!(CssAtomSet::ATOMS, Image, "url(foo)");
40		assert_parse!(CssAtomSet::ATOMS, Image, "image(url(foo),red)");
41		assert_parse!(CssAtomSet::ATOMS, Image, "image-set(url(a)2x)");
42		assert_parse!(CssAtomSet::ATOMS, Image, "cross-fade(url(a)20%,url(b))");
43		assert_parse!(CssAtomSet::ATOMS, Image, "element(#foo)");
44		assert_parse!(CssAtomSet::ATOMS, Image, "linear-gradient(red,blue)");
45	}
46
47	#[test]
48	#[cfg(feature = "visitable")]
49	fn test_visits() {
50		use crate::assert_visits;
51		assert_visits!("url('foo')", Image, Url);
52		assert_visits!("linear-gradient(red, blue)", Image, Gradient, LinearGradientFunction);
53		assert_visits!("element(#foo)", Image, ElementFunction, Id);
54		assert_visits!("image-set(url(a)2x)", Image, ImageSetFunction);
55		assert_visits!("cross-fade(url(a))", Image, CrossFadeFunction, Image, Url);
56	}
57}
css_ast/types/image.rs

css_ast/types/
image.rs
