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LibWeb: Implement the :has() pseudo-class

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See https://drafts.csswg.org/selectors-4/#relational.
This commit is contained in:
Diego Frias 2024-07-13 09:19:30 -07:00 • committed by Sam Atkins
commit f63a945ba0
Notes: sideshowbarker 2024-07-17 02:22:23 +09:00
21 changed files with 203 additions and 17 deletions
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6
Userland/Libraries/LibWeb/CSS/Parser/SelectorParsing.cpp
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@ -516,10 +516,14 @@ Parser::ParseErrorOr<Selector::SimpleSelector> Parser::parse_pseudo_simple_selec
.argument_selector_list = { move(selector) } }
};
}
case PseudoClassMetadata::ParameterType::ForgivingRelativeSelectorList:
case PseudoClassMetadata::ParameterType::ForgivingSelectorList: {
auto function_token_stream = TokenStream(pseudo_function.values());
auto selector_type = metadata.parameter_type == PseudoClassMetadata::ParameterType::ForgivingSelectorList
? SelectorType::Standalone
: SelectorType::Relative;
// NOTE: Because it's forgiving, even complete garbage will parse OK as an empty selector-list.
auto argument_selector_list = MUST(parse_a_selector_list(function_token_stream, SelectorType::Standalone, SelectorParsingMode::Forgiving));
auto argument_selector_list = MUST(parse_a_selector_list(function_token_stream, selector_type, SelectorParsingMode::Forgiving));
return Selector::SimpleSelector {
.type = Selector::SimpleSelector::Type::PseudoClass,