css_ast/functions/
element_function.rs

1use super::prelude::*;
2use crate::Id;
3
4/// <https://drafts.csswg.org/css-images-4/#funcdef-element>
5///
6/// ```text,ignore
7/// <element()> = element( <id-selector> )
8/// ```
9#[node]
10#[derive(Parse, Peek, ToSpan, ToCursors, 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(all))]
13#[derive(csskit_derives::NodeWithMetadata)]
14pub struct ElementFunction {
15	#[atom(CssAtomSet::Element)]
16	#[cfg_attr(feature = "visitable", visit(skip))]
17	pub name: T![Function],
18	pub id: Id,
19	#[cfg_attr(feature = "visitable", visit(skip))]
20	#[semantic_eq(skip)]
21	pub close: T![')'],
22}
23
24#[cfg(test)]
25mod tests {
26	use super::*;
27	use crate::CssAtomSet;
28	use css_parse::{assert_parse, assert_parse_error};
29
30	#[test]
31	fn test_writes() {
32		assert_parse!(CssAtomSet::ATOMS, ElementFunction, "element(#foo)");
33	}
34
35	#[test]
36	fn test_errors() {
37		assert_parse_error!(CssAtomSet::ATOMS, ElementFunction, "element()");
38		assert_parse_error!(CssAtomSet::ATOMS, ElementFunction, "element(foo)");
39		assert_parse_error!(CssAtomSet::ATOMS, ElementFunction, "element(.foo)");
40	}
41
42	#[test]
43	#[cfg(feature = "visitable")]
44	fn test_visits() {
45		use crate::assert_visits;
46		assert_visits!("element(#foo)", ElementFunction, Id);
47	}
48}
css_ast/functions/element_function.rs

css_ast/functions/
element_function.rs
