css_ast/selector/
combinator.rs

1use css_parse::T;
2use csskit_derives::{Parse, Peek, SemanticEq, ToCursors, ToSpan};
3
4// https://drafts.csswg.org/selectors/#combinators
5#[derive(Peek, Parse, ToSpan, ToCursors, SemanticEq, Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
6#[cfg_attr(feature = "serde", derive(serde::Serialize), serde())]
7#[cfg_attr(feature = "visitable", derive(csskit_derives::Visitable), visit(self))]
8#[derive(csskit_derives::NodeWithMetadata)]
9pub enum Combinator {
10	Child(T![>]),
11	NextSibling(T![+]),
12	SubsequentSibling(T![~]),
13	Column(T![||]),
14	Nesting(T![&]),
15	Descendant(T![' ']),
16}
17
18#[cfg(test)]
19mod tests {
20	use super::*;
21	use crate::CssAtomSet;
22	use css_parse::assert_parse;
23
24	#[test]
25	fn size_test() {
26		assert_eq!(std::mem::size_of::<Combinator>(), 28);
27	}
28
29	#[test]
30	fn test_writes() {
31		assert_parse!(CssAtomSet::ATOMS, Combinator, ">");
32		assert_parse!(CssAtomSet::ATOMS, Combinator, "+");
33		assert_parse!(CssAtomSet::ATOMS, Combinator, "~");
34		assert_parse!(CssAtomSet::ATOMS, Combinator, "&");
35		// Descendent combinator
36		assert_parse!(CssAtomSet::ATOMS, Combinator, "     ");
37		assert_parse!(CssAtomSet::ATOMS, Combinator, "     ");
38		assert_parse!(CssAtomSet::ATOMS, Combinator, "  /**/   /**/   /**/ ");
39		// Column
40		assert_parse!(CssAtomSet::ATOMS, Combinator, "||");
41	}
42}
css_ast/selector/combinator.rs

css_ast/selector/
combinator.rs
