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LibWeb/CSS: Add quick-and-dirty parsing for pseudo-element selectors

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As noted, this is hacky because the parser wasn't written to allow
parsing an individual component of a selector. (Fox example, the
convenient-sounding `parse_pseudo_simple_selector()` assumes the first
colon has already been consumed...) So until that changes, this parses
the input as an entire selector-list, and then throws it away if it's
not a single pseudo-element selector.

It's only temporary though, I promise. 😅
This commit is contained in:
Sam Atkins
2024-08-06 12:44:43 +01:00
committed by Andreas Kling
parent 521cd161a8
commit dae9c9be40
3 changed files with 37 additions and 1 deletions
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3
Userland/Libraries/LibWeb/CSS/Parser/Parser.h
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@@ -60,6 +60,8 @@ public:
Optional<SelectorList> parse_as_selector(SelectorParsingMode = SelectorParsingMode::Standard);
Optional<SelectorList> parse_as_relative_selector(SelectorParsingMode = SelectorParsingMode::Standard);
Optional<Selector::PseudoElement> parse_as_pseudo_element_selector();
Vector<NonnullRefPtr<MediaQuery>> parse_as_media_query_list();
RefPtr<MediaQuery> parse_as_media_query();
@@ -412,6 +414,7 @@ CSS::CSSStyleSheet* parse_css_stylesheet(CSS::Parser::ParsingContext const&, Str
CSS::ElementInlineCSSStyleDeclaration* parse_css_style_attribute(CSS::Parser::ParsingContext const&, StringView, DOM::Element&);
RefPtr<CSS::StyleValue> parse_css_value(CSS::Parser::ParsingContext const&, StringView, CSS::PropertyID property_id = CSS::PropertyID::Invalid);
Optional<CSS::SelectorList> parse_selector(CSS::Parser::ParsingContext const&, StringView);
Optional<CSS::Selector::PseudoElement> parse_pseudo_element_selector(CSS::Parser::ParsingContext const&, StringView);
CSS::CSSRule* parse_css_rule(CSS::Parser::ParsingContext const&, StringView);
RefPtr<CSS::MediaQuery> parse_media_query(CSS::Parser::ParsingContext const&, StringView);
Vector<NonnullRefPtr<CSS::MediaQuery>> parse_media_query_list(CSS::Parser::ParsingContext const&, StringView);