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LibWeb: Parse CSS <general-enclosed>

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Sam Atkins 2021-11-22 17:27:09 +00:00 • committed by Andreas Kling
parent 42176d37fc
commit e760263728
2 changed files with 21 additions and 7 deletions
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22
Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp
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@ -1111,10 +1111,26 @@ Optional<Supports::Feature> Parser::parse_supports_feature(TokenStream<StyleComp
return {};
}
template<typename T>
Optional<Parser::GeneralEnclosed> Parser::parse_general_enclosed(TokenStream<T>&)
// https://www.w3.org/TR/mediaqueries-4/#typedef-general-enclosed
Optional<GeneralEnclosed> Parser::parse_general_enclosed(TokenStream<StyleComponentValueRule>& tokens)
{
// FIXME: Actually parse this! https://www.w3.org/TR/mediaqueries-5/#typedef-general-enclosed
tokens.skip_whitespace();
auto start_position = tokens.position();
auto& first_token = tokens.next_token();
// `[ <function-token> <any-value> ) ]`
if (first_token.is_function())
return GeneralEnclosed { first_token.to_string() };
// `( <ident> <any-value> )`
if (first_token.is_block() && first_token.block().is_paren()) {
auto& block = first_token.block();
if (!block.values().is_empty() && block.values().first().is(Token::Type::Ident))
return GeneralEnclosed { first_token.to_string() };
}
tokens.rewind_to_position(start_position);
return {};
}

6
Userland/Libraries/LibWeb/CSS/Parser/Parser.h
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@ -13,6 +13,7 @@
#include <AK/Result.h>
#include <AK/Vector.h>
#include <LibWeb/CSS/CSSStyleDeclaration.h>
#include <LibWeb/CSS/GeneralEnclosed.h>
#include <LibWeb/CSS/MediaQuery.h>
#include <LibWeb/CSS/Parser/DeclarationOrAtRule.h>
#include <LibWeb/CSS/Parser/StyleBlockRule.h>
@ -170,10 +171,7 @@ private:
template<typename T>
[[nodiscard]] NonnullRefPtr<StyleFunctionRule> consume_a_function(TokenStream<T>&);
struct GeneralEnclosed {
};
template<typename T>
[[nodiscard]] Optional<GeneralEnclosed> parse_general_enclosed(TokenStream<T>&);
[[nodiscard]] Optional<GeneralEnclosed> parse_general_enclosed(TokenStream<StyleComponentValueRule>&);
[[nodiscard]] RefPtr<CSSRule> convert_to_rule(NonnullRefPtr<StyleRule>);
[[nodiscard]] RefPtr<PropertyOwningCSSStyleDeclaration> convert_to_declaration(NonnullRefPtr<StyleBlockRule>);