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css_ast/functions/
leader_function.rs

1use super::prelude::*;
2
3/// <https://drafts.csswg.org/css-content-3/#leader-function>
4///
5/// ```text,ignore
6/// leader() = leader( <leader-type> )
7/// <leader-type> = dotted | solid | space | <string>
8/// ```
9#[derive(Parse, Peek, ToCursors, ToSpan, SemanticEq, Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
10#[cfg_attr(feature = "serde", derive(serde::Serialize), serde())]
11#[cfg_attr(feature = "visitable", derive(csskit_derives::Visitable), visit(self))]
12#[derive(csskit_derives::NodeWithMetadata)]
13pub struct LeaderFunction {
14	#[atom(CssAtomSet::Leader)]
15	pub name: T![Function],
16	pub params: LeaderType,
17	pub close: T![')'],
18}
19
20/// <https://drafts.csswg.org/css-content-3/#typedef-leader-type>
21///
22/// ```text,ignore
23/// <leader-type> = dotted | solid | space | <string>
24/// ```
25#[derive(Parse, Peek, IntoCursor, ToCursors, Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
26#[cfg_attr(feature = "serde", derive(serde::Serialize), serde())]
27pub enum LeaderType {
28	#[atom(CssAtomSet::Dotted)]
29	Dotted(T![Ident]),
30	#[atom(CssAtomSet::Solid)]
31	Solid(T![Ident]),
32	#[atom(CssAtomSet::Space)]
33	Space(T![Ident]),
34	String(T![String]),
35}
36
37#[cfg(test)]
38mod tests {
39	use super::*;
40	use crate::CssAtomSet;
41	use css_parse::{assert_parse, assert_parse_error};
42
43	#[test]
44	fn size_test() {
45		assert_eq!(std::mem::size_of::<LeaderFunction>(), 40);
46		assert_eq!(std::mem::size_of::<LeaderType>(), 16);
47	}
48
49	#[test]
50	fn test_writes() {
51		assert_parse!(CssAtomSet::ATOMS, LeaderType, "dotted");
52		assert_parse!(CssAtomSet::ATOMS, LeaderType, "'.'");
53		assert_parse!(CssAtomSet::ATOMS, LeaderType, "'abc'");
54		assert_parse!(CssAtomSet::ATOMS, LeaderFunction, "leader(dotted)");
55		assert_parse!(CssAtomSet::ATOMS, LeaderFunction, "leader('.')");
56	}
57
58	#[test]
59	fn test_errors() {
60		assert_parse_error!(CssAtomSet::ATOMS, LeaderType, "foo");
61		assert_parse_error!(CssAtomSet::ATOMS, LeaderFunction, "leader(foo)");
62	}
63}