90 lines
3.4 KiB
C++
90 lines
3.4 KiB
C++
/*
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* Copyright (C) 2011, 2012 Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "CSSValue.h"
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#include "CSSValueKeywords.h"
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#include "CalculationValue.h"
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#include <wtf/Forward.h>
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#include <wtf/Ref.h>
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namespace WebCore {
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class CSSCalcExpressionNode;
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class CSSCalcSymbolTable;
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class CSSParserTokenRange;
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class CSSToLengthConversionData;
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class RenderStyle;
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enum class CSSUnitType : uint8_t;
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enum class CalculationCategory : uint8_t;
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enum class ValueRange : uint8_t;
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class CSSCalcValue final : public CSSValue {
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public:
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static RefPtr<CSSCalcValue> create(CSSValueID function, const CSSParserTokenRange&, CalculationCategory destinationCategory, ValueRange, const CSSCalcSymbolTable&);
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static RefPtr<CSSCalcValue> create(CSSValueID function, const CSSParserTokenRange&, CalculationCategory destinationCategory, ValueRange);
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static RefPtr<CSSCalcValue> create(const CalculationValue&, const RenderStyle&);
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~CSSCalcValue();
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CalculationCategory category() const;
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double doubleValue() const;
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double computeLengthPx(const CSSToLengthConversionData&) const;
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CSSUnitType primitiveType() const;
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Ref<CalculationValue> createCalculationValue(const CSSToLengthConversionData&) const;
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void setPermittedValueRange(ValueRange);
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void collectDirectComputationalDependencies(HashSet<CSSPropertyID>&) const;
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void collectDirectRootComputationalDependencies(HashSet<CSSPropertyID>&) const;
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String customCSSText() const;
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bool equals(const CSSCalcValue&) const;
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static bool isCalcFunction(CSSValueID);
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void dump(TextStream&) const;
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private:
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CSSCalcValue(Ref<CSSCalcExpressionNode>&&, bool shouldClampToNonNegative);
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double clampToPermittedRange(double) const;
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const Ref<CSSCalcExpressionNode> m_expression;
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bool m_shouldClampToNonNegative;
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};
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TextStream& operator<<(TextStream&, const CSSCalcValue&);
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} // namespace WebCore
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SPECIALIZE_TYPE_TRAITS_CSS_VALUE(CSSCalcValue, isCalcValue())
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