css_ast/functions/
content_function.rs

1use super::prelude::*;
2
3/// <https://drafts.csswg.org/css-content-3/#funcdef-content>
4///
5/// ```text,ignore
6/// content() = content( [ text | before | after | first-letter | marker ]? )
7/// ```
8#[derive(Peek, Parse, ToCursors, ToSpan, SemanticEq, Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
9#[cfg_attr(feature = "serde", derive(serde::Serialize), serde())]
10#[cfg_attr(feature = "visitable", derive(csskit_derives::Visitable), visit(self))]
11#[derive(csskit_derives::NodeWithMetadata)]
12pub struct ContentFunction {
13	#[atom(CssAtomSet::Content)]
14	pub name: T![Function],
15	pub params: Option<ContentKeyword>,
16	pub close: T![')'],
17}
18
19#[derive(
20	Parse, Peek, IntoCursor, ToSpan, SemanticEq, ToCursors, Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash,
21)]
22#[cfg_attr(feature = "serde", derive(serde::Serialize), serde())]
23#[cfg_attr(feature = "visitable", derive(csskit_derives::Visitable), visit(skip))]
24#[derive(csskit_derives::NodeWithMetadata)]
25pub enum ContentKeyword {
26	#[atom(CssAtomSet::Text)]
27	Text(T![Ident]),
28	#[atom(CssAtomSet::Before)]
29	Before(T![Ident]),
30	#[atom(CssAtomSet::After)]
31	After(T![Ident]),
32	#[atom(CssAtomSet::FirstLetter)]
33	FirstLetter(T![Ident]),
34	#[atom(CssAtomSet::Marker)]
35	Marker(T![Ident]),
36}
37
38#[cfg(test)]
39mod tests {
40	use super::*;
41	use crate::CssAtomSet;
42	use css_parse::{assert_parse, assert_parse_error};
43
44	#[test]
45	fn size_test() {
46		assert_eq!(std::mem::size_of::<ContentFunction>(), 40);
47		assert_eq!(std::mem::size_of::<ContentKeyword>(), 16);
48	}
49
50	#[test]
51	fn test_writes() {
52		assert_parse!(CssAtomSet::ATOMS, ContentFunction, "content(text)");
53		assert_parse!(CssAtomSet::ATOMS, ContentFunction, "content(before)");
54		assert_parse!(CssAtomSet::ATOMS, ContentFunction, "content()");
55	}
56
57	#[test]
58	fn test_errors() {
59		assert_parse_error!(CssAtomSet::ATOMS, ContentFunction, "content(text before)");
60	}
61}
css_ast/functions/content_function.rs

css_ast/functions/
content_function.rs
