css_ast/functions/
content_function.rs

1use css_parse::{Function, function_set, keyword_set};
2use csskit_derives::{Parse, Peek, ToCursors, ToSpan, Visitable};
3
4function_set!(pub struct ContentFunctionName "content");
5
6/// <https://drafts.csswg.org/css-content-3/#funcdef-content>
7///
8/// ```text,ignore
9/// content() = content( [ text | before | after | first-letter | marker ]? )
10/// ```
11#[derive(Peek, Parse, ToCursors, ToSpan, Visitable, Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
12#[cfg_attr(feature = "serde", derive(serde::Serialize), serde())]
13#[visit(self)]
14pub struct ContentFunction(Function<ContentFunctionName, Option<ContentKeywords>>);
15
16keyword_set!(
17	pub enum ContentKeywords {
18		Text: "text",
19		Before: "before",
20		After: "after",
21		FirstLetter: "first-letter",
22		Marker: "marker"
23	}
24);
25
26#[cfg(test)]
27mod tests {
28	use super::*;
29	use css_parse::{assert_parse, assert_parse_error};
30
31	#[test]
32	fn size_test() {
33		assert_eq!(std::mem::size_of::<ContentFunction>(), 44);
34		assert_eq!(std::mem::size_of::<ContentKeywords>(), 16);
35	}
36
37	#[test]
38	fn test_writes() {
39		assert_parse!(ContentFunction, "content(text)");
40		assert_parse!(ContentFunction, "content(before)");
41		assert_parse!(ContentFunction, "content()");
42	}
43
44	#[test]
45	fn test_errors() {
46		assert_parse_error!(ContentFunction, "content(text before)");
47	}
48}
css_ast/functions/content_function.rs

css_ast/functions/
content_function.rs
