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LibWeb: Parse :host() selector

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We were already parsing non-function-syntax :host, so let's also do
the :host(...) variant. Note that we don't have matching for these yet.

This fixes many issues on sites generated by Wix, as they often have
selector lists that include some :host() selector, and we'd reject the
entire rule after failing to parse it.
This commit is contained in:
Andreas Kling 2023-08-05 11:51:31 +02:00
parent ac2d9d9273
commit 64c06c345e
4 changed files with 35 additions and 0 deletions
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11
Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp
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@ -613,6 +613,17 @@ Parser::ParseErrorOr<Selector::SimpleSelector> Parser::parse_pseudo_simple_selec
.argument_selector_list = move(not_selector) }
};
}
if (pseudo_function.name().equals_ignoring_ascii_case("host"sv)) {
auto function_token_stream = TokenStream(pseudo_function.values());
auto host_selector = TRY(parse_a_selector_list(function_token_stream, SelectorType::Standalone));
return Selector::SimpleSelector {
.type = Selector::SimpleSelector::Type::PseudoClass,
.value = Selector::SimpleSelector::PseudoClass {
.type = Selector::SimpleSelector::PseudoClass::Type::Host,
.argument_selector_list = move(host_selector) }
};
}
if (pseudo_function.name().equals_ignoring_ascii_case("lang"sv)) {
if (pseudo_function.values().is_empty()) {
dbgln_if(CSS_PARSER_DEBUG, "Empty :lang() selector");