css_ast/functions/
param_function.rs

1use css_parse::{ComponentValues, Function, T, function_set};
2use csskit_derives::{Parse, Peek, ToCursors, ToSpan, Visitable};
3
4function_set!(struct ParamFunctionName "param");
5
6/// <https://drafts.csswg.org/css-link-params-1/#funcdef-param>
7///
8/// ```text,ignore
9/// <param()> = param( <dashed-ident> , <declaration-value>? )
10/// ```
11#[derive(Parse, Peek, ToCursors, ToSpan, Visitable, Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
12#[cfg_attr(feature = "serde", derive(serde::Serialize), serde(rename_all = "kebab-case"))]
13#[visit(self)]
14pub struct ParamFunction<'a>(Function<ParamFunctionName, (T![DashedIdent], T![,], Option<ComponentValues<'a>>)>);
15
16#[cfg(test)]
17mod tests {
18	use super::*;
19	use css_parse::assert_parse;
20
21	#[test]
22	fn size_test() {
23		assert_eq!(std::mem::size_of::<ParamFunction>(), 88);
24	}
25
26	#[test]
27	fn test_writes() {
28		assert_parse!(ParamFunction, "param(--foo,12px)");
29		assert_parse!(ParamFunction, "param(--foo,var(--bar))");
30	}
31}