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LibWeb: Parse calc() values in new CSS Parser

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This is a port of the code from DeprecatedCSSParser, to work with CSS
Tokens and TokenStream. I've modified it as little as possible.
This commit is contained in:
Sam Atkins 2021-07-28 16:30:59 +01:00 • committed by Andreas Kling
parent 21c59efbb9
commit 23d869138f
2 changed files with 284 additions and 9 deletions
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13
Userland/Libraries/LibWeb/CSS/Parser/Parser.h
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@ -178,6 +178,19 @@ private:
static RefPtr<StyleValue> parse_image_value(ParsingContext const&, StyleComponentValueRule const&);
static RefPtr<StyleValue> parse_box_shadow_value(ParsingContext const&, Vector<StyleComponentValueRule> const&);
// calc() parsing, according to https://www.w3.org/TR/css-values-3/#calc-syntax
static OwnPtr<CalculatedStyleValue::CalcSum> parse_calc_sum(ParsingContext const&, TokenStream<StyleComponentValueRule>&);
static OwnPtr<CalculatedStyleValue::CalcProduct> parse_calc_product(ParsingContext const&, TokenStream<StyleComponentValueRule>&);
static Optional<CalculatedStyleValue::CalcValue> parse_calc_value(ParsingContext const&, TokenStream<StyleComponentValueRule>&);
static OwnPtr<CalculatedStyleValue::CalcNumberSum> parse_calc_number_sum(ParsingContext const&, TokenStream<StyleComponentValueRule>&);
static OwnPtr<CalculatedStyleValue::CalcNumberProduct> parse_calc_number_product(ParsingContext const&, TokenStream<StyleComponentValueRule>&);
static Optional<CalculatedStyleValue::CalcNumberValue> parse_calc_number_value(ParsingContext const&, TokenStream<StyleComponentValueRule>&);
static OwnPtr<CalculatedStyleValue::CalcProductPartWithOperator> parse_calc_product_part_with_operator(ParsingContext const&, TokenStream<StyleComponentValueRule>&);
static OwnPtr<CalculatedStyleValue::CalcSumPartWithOperator> parse_calc_sum_part_with_operator(ParsingContext const&, TokenStream<StyleComponentValueRule>&);
static OwnPtr<CalculatedStyleValue::CalcNumberProductPartWithOperator> parse_calc_number_product_part_with_operator(ParsingContext const&, TokenStream<StyleComponentValueRule>& tokens);
static OwnPtr<CalculatedStyleValue::CalcNumberSumPartWithOperator> parse_calc_number_sum_part_with_operator(ParsingContext const&, TokenStream<StyleComponentValueRule>&);
static OwnPtr<CalculatedStyleValue::CalcSum> parse_calc_expression(ParsingContext const&, Vector<StyleComponentValueRule> const&);
template<typename T>
Optional<SelectorList> parse_a_selector_list(TokenStream<T>&);
template<typename T>