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LibWeb: Spec-comment consume_a_component_value()

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Sam Atkins 2022-03-30 14:14:31 +01:00 • committed by Andreas Kling
parent be86d19529
commit 999cc51512
1 changed files with 10 additions and 0 deletions
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10
Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp
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@ -1697,20 +1697,30 @@ RefPtr<StyleRule> Parser::consume_a_qualified_rule(TokenStream<T>& tokens)
template<> template<>
StyleComponentValueRule Parser::consume_a_component_value(TokenStream<StyleComponentValueRule>& tokens) StyleComponentValueRule Parser::consume_a_component_value(TokenStream<StyleComponentValueRule>& tokens)
{ {
// Note: This overload is called once tokens have already been converted into component values,
// so we do not need to do the work in the more general overload.
return tokens.next_token(); return tokens.next_token();
} }
// 5.4.7. Consume a component value
// https://www.w3.org/TR/css-syntax-3/#consume-component-value
template<typename T> template<typename T>
StyleComponentValueRule Parser::consume_a_component_value(TokenStream<T>& tokens) StyleComponentValueRule Parser::consume_a_component_value(TokenStream<T>& tokens)
{ {
// To consume a component value:
// Consume the next input token.
auto& token = tokens.next_token(); auto& token = tokens.next_token();
// If the current input token is a <{-token>, <[-token>, or <(-token>, consume a simple block and return it.
if (token.is(Token::Type::OpenCurly) || token.is(Token::Type::OpenSquare) || token.is(Token::Type::OpenParen)) if (token.is(Token::Type::OpenCurly) || token.is(Token::Type::OpenSquare) || token.is(Token::Type::OpenParen))
return StyleComponentValueRule(consume_a_simple_block(tokens)); return StyleComponentValueRule(consume_a_simple_block(tokens));
// Otherwise, if the current input token is a <function-token>, consume a function and return it.
if (token.is(Token::Type::Function)) if (token.is(Token::Type::Function))
return StyleComponentValueRule(consume_a_function(tokens)); return StyleComponentValueRule(consume_a_function(tokens));
// Otherwise, return the current input token.
return StyleComponentValueRule(token); return StyleComponentValueRule(token);
} }