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LibWeb: Implement basic CSS random() function

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At the moment this is limited to only fixed value sharing and does not
support step values
This commit is contained in:
Callum Law 2025-11-04 13:35:17 +13:00 • committed by Sam Atkins
parent 8944130fde
commit 2a5e389f63
Notes: github-actions[bot] 2025-12-01 11:02:05 +00:00
17 changed files with 380 additions and 31 deletions
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3
Libraries/LibWeb/CSS/Parser/Parser.h
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@ -77,6 +77,7 @@ enum SpecialContext : u8 {
CubicBezierFunctionXCoordinate,
DOMMatrixInitString,
MediaCondition,
RandomValueSharingFixedValue,
ShadowBlurRadius,
StepsIntervalsJumpNone,
StepsIntervalsNormal,
@ -379,6 +380,7 @@ private:
RefPtr<CustomIdentStyleValue const> parse_custom_ident_value(TokenStream<ComponentValue>&, ReadonlySpan<StringView> blacklist);
Optional<FlyString> parse_dashed_ident(TokenStream<ComponentValue>&);
RefPtr<CustomIdentStyleValue const> parse_dashed_ident_value(TokenStream<ComponentValue>&);
RefPtr<RandomValueSharingStyleValue const> parse_random_value_sharing(TokenStream<ComponentValue>&);
// NOTE: Implemented in generated code. (GenerateCSSMathFunctions.cpp)
RefPtr<CalculationNode const> parse_math_function(Function const&, CalculationContext const&);
RefPtr<CalculationNode const> parse_a_calc_function_node(Function const&, CalculationContext const&);
@ -593,6 +595,7 @@ private:
}
bool context_allows_quirky_length() const;
bool context_allows_tree_counting_functions() const;
bool context_allows_random_functions() const;
Vector<RuleContext> m_rule_context;
HashTable<FlyString> m_declared_namespaces;