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))]
8pub enum Combinator {
9	Child(T![>]),
10	NextSibling(T![+]),
11	SubsequentSibling(T![~]),
12	Column(T![||]),
13	Nesting(T![&]),
14	Descendant(T![' ']),
15}
16
17#[cfg(test)]
18mod tests {
19	use super::*;
20	use crate::CssAtomSet;
21	use css_parse::assert_parse;
22
23	#[test]
24	fn size_test() {
25		assert_eq!(std::mem::size_of::<Combinator>(), 28);
26	}
27
28	#[test]
29	fn test_writes() {
30		assert_parse!(CssAtomSet::ATOMS, Combinator, ">");
31		assert_parse!(CssAtomSet::ATOMS, Combinator, "+");
32		assert_parse!(CssAtomSet::ATOMS, Combinator, "~");
33		assert_parse!(CssAtomSet::ATOMS, Combinator, "&");
34		// Descendent combinator
35		assert_parse!(CssAtomSet::ATOMS, Combinator, "     ");
36		assert_parse!(CssAtomSet::ATOMS, Combinator, "     ");
37		assert_parse!(CssAtomSet::ATOMS, Combinator, "  /**/   /**/   /**/ ");
38		// Column
39		assert_parse!(CssAtomSet::ATOMS, Combinator, "||");
40	}
41}
css_ast/selector/combinator.rs

css_ast/selector/
combinator.rs
