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https://github.com/LadybirdBrowser/ladybird.git
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LibWeb/CSS: Implement "simplify a calculation" algorithm
This is not yet called anywhere.
This commit is contained in:
Sam Atkins
Andreas Kling
parent
581f5dfc86
commit
91831438e0
Notes:
github-actions[bot]
2025-01-30 18:33:06 +00:00
Author: https://github.com/AtkinsSJ Commit: https://github.com/LadybirdBrowser/ladybird/commit/91831438e06 Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/3383
2 changed files with 1290 additions and 0 deletions
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@ -241,6 +241,9 @@ public:
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Optional<CSSNumericType> const& numeric_type() const { return m_numeric_type; }
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virtual bool contains_percentage() const = 0;
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virtual CalculatedStyleValue::CalculationResult resolve(CalculationResolutionContext const&) const = 0;
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virtual NonnullRefPtr<CalculationNode> with_simplified_children(CalculationContext const&, CalculationResolutionContext const&) const = 0;
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// Step 4 of simplify_a_calculation_tree(). Only valid for math-function nodes.
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virtual Optional<CalculatedStyleValue::CalculationResult> run_operation_if_possible(CalculationContext const&, CalculationResolutionContext const&) const { VERIFY_NOT_REACHED(); }
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virtual void dump(StringBuilder&, int indent) const = 0;
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virtual bool equals(CalculationNode const&) const = 0;
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@ -260,7 +263,11 @@ public:
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virtual String to_string() const override;
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virtual bool contains_percentage() const override;
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bool is_in_canonical_unit() const;
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virtual CalculatedStyleValue::CalculationResult resolve(CalculationResolutionContext const&) const override;
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virtual NonnullRefPtr<CalculationNode> with_simplified_children(CalculationContext const&, CalculationResolutionContext const&) const override { return *this; }
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NumericValue const& value() const { return m_value; }
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virtual void dump(StringBuilder&, int indent) const override;
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virtual bool equals(CalculationNode const&) const override;
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@ -278,6 +285,9 @@ public:
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virtual String to_string() const override;
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virtual bool contains_percentage() const override;
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virtual CalculatedStyleValue::CalculationResult resolve(CalculationResolutionContext const&) const override;
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virtual NonnullRefPtr<CalculationNode> with_simplified_children(CalculationContext const&, CalculationResolutionContext const&) const override;
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Vector<NonnullRefPtr<CalculationNode>> const& children() const { return m_values; }
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virtual void dump(StringBuilder&, int indent) const override;
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virtual bool equals(CalculationNode const&) const override;
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@ -295,6 +305,9 @@ public:
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virtual String to_string() const override;
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virtual bool contains_percentage() const override;
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virtual CalculatedStyleValue::CalculationResult resolve(CalculationResolutionContext const&) const override;
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virtual NonnullRefPtr<CalculationNode> with_simplified_children(CalculationContext const&, CalculationResolutionContext const&) const override;
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Vector<NonnullRefPtr<CalculationNode>> const& children() const { return m_values; }
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virtual void dump(StringBuilder&, int indent) const override;
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virtual bool equals(CalculationNode const&) const override;
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@ -312,6 +325,9 @@ public:
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virtual String to_string() const override;
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virtual bool contains_percentage() const override;
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virtual CalculatedStyleValue::CalculationResult resolve(CalculationResolutionContext const&) const override;
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virtual NonnullRefPtr<CalculationNode> with_simplified_children(CalculationContext const&, CalculationResolutionContext const&) const override;
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CalculationNode const& child() const { return m_value; }
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virtual void dump(StringBuilder&, int indent) const override;
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virtual bool equals(CalculationNode const&) const override;
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@ -329,6 +345,9 @@ public:
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virtual String to_string() const override;
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virtual bool contains_percentage() const override;
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virtual CalculatedStyleValue::CalculationResult resolve(CalculationResolutionContext const&) const override;
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virtual NonnullRefPtr<CalculationNode> with_simplified_children(CalculationContext const&, CalculationResolutionContext const&) const override;
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CalculationNode const& child() const { return m_value; }
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virtual void dump(StringBuilder&, int indent) const override;
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virtual bool equals(CalculationNode const&) const override;
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@ -346,6 +365,10 @@ public:
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virtual String to_string() const override;
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virtual bool contains_percentage() const override;
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virtual CalculatedStyleValue::CalculationResult resolve(CalculationResolutionContext const&) const override;
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virtual NonnullRefPtr<CalculationNode> with_simplified_children(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual Optional<CalculatedStyleValue::CalculationResult> run_operation_if_possible(CalculationContext const&, CalculationResolutionContext const&) const override;
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Vector<NonnullRefPtr<CalculationNode>> const& children() const { return m_values; }
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virtual void dump(StringBuilder&, int indent) const override;
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virtual bool equals(CalculationNode const&) const override;
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@ -363,6 +386,10 @@ public:
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virtual String to_string() const override;
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virtual bool contains_percentage() const override;
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virtual CalculatedStyleValue::CalculationResult resolve(CalculationResolutionContext const&) const override;
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virtual NonnullRefPtr<CalculationNode> with_simplified_children(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual Optional<CalculatedStyleValue::CalculationResult> run_operation_if_possible(CalculationContext const&, CalculationResolutionContext const&) const override;
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Vector<NonnullRefPtr<CalculationNode>> const& children() const { return m_values; }
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virtual void dump(StringBuilder&, int indent) const override;
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virtual bool equals(CalculationNode const&) const override;
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@ -380,6 +407,8 @@ public:
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virtual String to_string() const override;
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virtual bool contains_percentage() const override;
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virtual CalculatedStyleValue::CalculationResult resolve(CalculationResolutionContext const&) const override;
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virtual NonnullRefPtr<CalculationNode> with_simplified_children(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual Optional<CalculatedStyleValue::CalculationResult> run_operation_if_possible(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual void dump(StringBuilder&, int indent) const override;
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virtual bool equals(CalculationNode const&) const override;
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@ -399,6 +428,8 @@ public:
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virtual String to_string() const override;
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virtual bool contains_percentage() const override;
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virtual CalculatedStyleValue::CalculationResult resolve(CalculationResolutionContext const&) const override;
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virtual NonnullRefPtr<CalculationNode> with_simplified_children(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual Optional<CalculatedStyleValue::CalculationResult> run_operation_if_possible(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual void dump(StringBuilder&, int indent) const override;
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virtual bool equals(CalculationNode const&) const override;
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@ -416,6 +447,8 @@ public:
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virtual String to_string() const override;
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virtual bool contains_percentage() const override;
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virtual CalculatedStyleValue::CalculationResult resolve(CalculationResolutionContext const&) const override;
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virtual NonnullRefPtr<CalculationNode> with_simplified_children(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual Optional<CalculatedStyleValue::CalculationResult> run_operation_if_possible(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual void dump(StringBuilder&, int indent) const override;
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virtual bool equals(CalculationNode const&) const override;
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@ -433,6 +466,7 @@ public:
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virtual String to_string() const override;
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virtual bool contains_percentage() const override { return false; }
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virtual CalculatedStyleValue::CalculationResult resolve(CalculationResolutionContext const&) const override;
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virtual NonnullRefPtr<CalculationNode> with_simplified_children(CalculationContext const&, CalculationResolutionContext const&) const override { return *this; }
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virtual void dump(StringBuilder&, int indent) const override;
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virtual bool equals(CalculationNode const&) const override;
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@ -450,6 +484,8 @@ public:
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virtual String to_string() const override;
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virtual bool contains_percentage() const override;
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virtual CalculatedStyleValue::CalculationResult resolve(CalculationResolutionContext const&) const override;
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virtual NonnullRefPtr<CalculationNode> with_simplified_children(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual Optional<CalculatedStyleValue::CalculationResult> run_operation_if_possible(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual void dump(StringBuilder&, int indent) const override;
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virtual bool equals(CalculationNode const&) const override;
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@ -467,6 +503,8 @@ public:
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virtual String to_string() const override;
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virtual bool contains_percentage() const override;
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virtual CalculatedStyleValue::CalculationResult resolve(CalculationResolutionContext const&) const override;
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virtual NonnullRefPtr<CalculationNode> with_simplified_children(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual Optional<CalculatedStyleValue::CalculationResult> run_operation_if_possible(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual void dump(StringBuilder&, int indent) const override;
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virtual bool equals(CalculationNode const&) const override;
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@ -484,6 +522,8 @@ public:
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virtual String to_string() const override;
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virtual bool contains_percentage() const override;
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virtual CalculatedStyleValue::CalculationResult resolve(CalculationResolutionContext const&) const override;
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virtual NonnullRefPtr<CalculationNode> with_simplified_children(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual Optional<CalculatedStyleValue::CalculationResult> run_operation_if_possible(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual void dump(StringBuilder&, int indent) const override;
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virtual bool equals(CalculationNode const&) const override;
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@ -501,6 +541,8 @@ public:
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virtual String to_string() const override;
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virtual bool contains_percentage() const override;
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virtual CalculatedStyleValue::CalculationResult resolve(CalculationResolutionContext const&) const override;
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virtual NonnullRefPtr<CalculationNode> with_simplified_children(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual Optional<CalculatedStyleValue::CalculationResult> run_operation_if_possible(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual void dump(StringBuilder&, int indent) const override;
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virtual bool equals(CalculationNode const&) const override;
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@ -518,6 +560,8 @@ public:
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virtual String to_string() const override;
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virtual bool contains_percentage() const override;
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virtual CalculatedStyleValue::CalculationResult resolve(CalculationResolutionContext const&) const override;
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virtual NonnullRefPtr<CalculationNode> with_simplified_children(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual Optional<CalculatedStyleValue::CalculationResult> run_operation_if_possible(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual void dump(StringBuilder&, int indent) const override;
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virtual bool equals(CalculationNode const&) const override;
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@ -535,6 +579,8 @@ public:
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virtual String to_string() const override;
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virtual bool contains_percentage() const override;
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virtual CalculatedStyleValue::CalculationResult resolve(CalculationResolutionContext const&) const override;
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virtual NonnullRefPtr<CalculationNode> with_simplified_children(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual Optional<CalculatedStyleValue::CalculationResult> run_operation_if_possible(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual void dump(StringBuilder&, int indent) const override;
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virtual bool equals(CalculationNode const&) const override;
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@ -552,6 +598,8 @@ public:
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virtual String to_string() const override;
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virtual bool contains_percentage() const override;
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virtual CalculatedStyleValue::CalculationResult resolve(CalculationResolutionContext const&) const override;
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virtual NonnullRefPtr<CalculationNode> with_simplified_children(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual Optional<CalculatedStyleValue::CalculationResult> run_operation_if_possible(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual void dump(StringBuilder&, int indent) const override;
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virtual bool equals(CalculationNode const&) const override;
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@ -570,6 +618,8 @@ public:
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virtual String to_string() const override;
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virtual bool contains_percentage() const override { return false; }
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virtual CalculatedStyleValue::CalculationResult resolve(CalculationResolutionContext const&) const override;
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virtual NonnullRefPtr<CalculationNode> with_simplified_children(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual Optional<CalculatedStyleValue::CalculationResult> run_operation_if_possible(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual void dump(StringBuilder&, int indent) const override;
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virtual bool equals(CalculationNode const&) const override;
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@ -588,6 +638,8 @@ public:
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virtual String to_string() const override;
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virtual bool contains_percentage() const override { return false; }
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virtual CalculatedStyleValue::CalculationResult resolve(CalculationResolutionContext const&) const override;
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virtual NonnullRefPtr<CalculationNode> with_simplified_children(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual Optional<CalculatedStyleValue::CalculationResult> run_operation_if_possible(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual void dump(StringBuilder&, int indent) const override;
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virtual bool equals(CalculationNode const&) const override;
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@ -605,6 +657,10 @@ public:
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virtual String to_string() const override;
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virtual bool contains_percentage() const override;
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virtual CalculatedStyleValue::CalculationResult resolve(CalculationResolutionContext const&) const override;
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virtual NonnullRefPtr<CalculationNode> with_simplified_children(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual Optional<CalculatedStyleValue::CalculationResult> run_operation_if_possible(CalculationContext const&, CalculationResolutionContext const&) const override;
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Vector<NonnullRefPtr<CalculationNode>> const& children() const { return m_values; }
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virtual void dump(StringBuilder&, int indent) const override;
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virtual bool equals(CalculationNode const&) const override;
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@ -622,6 +678,8 @@ public:
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virtual String to_string() const override;
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virtual bool contains_percentage() const override { return false; }
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virtual CalculatedStyleValue::CalculationResult resolve(CalculationResolutionContext const&) const override;
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virtual NonnullRefPtr<CalculationNode> with_simplified_children(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual Optional<CalculatedStyleValue::CalculationResult> run_operation_if_possible(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual void dump(StringBuilder&, int indent) const override;
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virtual bool equals(CalculationNode const&) const override;
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@ -640,6 +698,8 @@ public:
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virtual String to_string() const override;
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virtual bool contains_percentage() const override { return false; }
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virtual CalculatedStyleValue::CalculationResult resolve(CalculationResolutionContext const&) const override;
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virtual NonnullRefPtr<CalculationNode> with_simplified_children(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual Optional<CalculatedStyleValue::CalculationResult> run_operation_if_possible(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual void dump(StringBuilder&, int indent) const override;
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virtual bool equals(CalculationNode const&) const override;
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@ -657,6 +717,8 @@ public:
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virtual String to_string() const override;
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virtual bool contains_percentage() const override;
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virtual CalculatedStyleValue::CalculationResult resolve(CalculationResolutionContext const&) const override;
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virtual NonnullRefPtr<CalculationNode> with_simplified_children(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual Optional<CalculatedStyleValue::CalculationResult> run_operation_if_possible(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual void dump(StringBuilder&, int indent) const override;
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virtual bool equals(CalculationNode const&) const override;
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@ -676,6 +738,8 @@ public:
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virtual String to_string() const override;
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virtual bool contains_percentage() const override;
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virtual CalculatedStyleValue::CalculationResult resolve(CalculationResolutionContext const&) const override;
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virtual NonnullRefPtr<CalculationNode> with_simplified_children(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual Optional<CalculatedStyleValue::CalculationResult> run_operation_if_possible(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual void dump(StringBuilder&, int indent) const override;
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virtual bool equals(CalculationNode const&) const override;
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@ -694,6 +758,8 @@ public:
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virtual String to_string() const override;
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virtual bool contains_percentage() const override;
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virtual CalculatedStyleValue::CalculationResult resolve(CalculationResolutionContext const&) const override;
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virtual NonnullRefPtr<CalculationNode> with_simplified_children(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual Optional<CalculatedStyleValue::CalculationResult> run_operation_if_possible(CalculationContext const&, CalculationResolutionContext const&) const override;
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virtual void dump(StringBuilder&, int indent) const override;
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virtual bool equals(CalculationNode const&) const override;
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@ -704,4 +770,7 @@ private:
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NonnullRefPtr<CalculationNode> m_y;
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};
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// https://drafts.csswg.org/css-values-4/#calc-simplification
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NonnullRefPtr<CalculationNode> simplify_a_calculation_tree(CalculationNode const& root, CalculationContext const& context, CalculationResolutionContext const& resolution_context);
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}
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