119 lines
5.2 KiB
C++
119 lines
5.2 KiB
C++
/*
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* Copyright (C) 2011, 2012 Apple 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
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* are met:
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* 1. 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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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "CSSInheritedValue.h"
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#include "CSSInitialValue.h"
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#include "CSSPrimitiveValue.h"
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#include "CSSPropertyNames.h"
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#include "CSSRevertValue.h"
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#include "CSSUnsetValue.h"
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#include "CSSValueKeywords.h"
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#include "ColorHash.h"
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#include <utility>
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#include <wtf/HashMap.h>
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#include <wtf/NeverDestroyed.h>
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#include <wtf/RefPtr.h>
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#include <wtf/text/AtomStringHash.h>
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namespace WebCore {
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class CSSValueList;
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class CSSValuePool;
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enum class FromSystemFontID { No, Yes };
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class StaticCSSValuePool {
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friend class CSSValuePool;
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friend class LazyNeverDestroyed<StaticCSSValuePool>;
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public:
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static void init();
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private:
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StaticCSSValuePool();
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LazyNeverDestroyed<CSSInheritedValue> m_inheritedValue;
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LazyNeverDestroyed<CSSInitialValue> m_implicitInitialValue;
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LazyNeverDestroyed<CSSInitialValue> m_explicitInitialValue;
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LazyNeverDestroyed<CSSUnsetValue> m_unsetValue;
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LazyNeverDestroyed<CSSRevertValue> m_revertValue;
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LazyNeverDestroyed<CSSPrimitiveValue> m_transparentColor;
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LazyNeverDestroyed<CSSPrimitiveValue> m_whiteColor;
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LazyNeverDestroyed<CSSPrimitiveValue> m_blackColor;
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static constexpr int maximumCacheableIntegerValue = 255;
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LazyNeverDestroyed<CSSPrimitiveValue> m_pixelValues[maximumCacheableIntegerValue + 1];
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LazyNeverDestroyed<CSSPrimitiveValue> m_percentValues[maximumCacheableIntegerValue + 1];
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LazyNeverDestroyed<CSSPrimitiveValue> m_numberValues[maximumCacheableIntegerValue + 1];
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LazyNeverDestroyed<CSSPrimitiveValue> m_identifierValues[numCSSValueKeywords];
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};
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WEBCORE_EXPORT extern LazyNeverDestroyed<StaticCSSValuePool> staticCSSValuePool;
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class CSSValuePool {
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WTF_MAKE_FAST_ALLOCATED;
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WTF_MAKE_NONCOPYABLE(CSSValuePool);
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public:
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CSSValuePool();
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static CSSValuePool& singleton();
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RefPtr<CSSValueList> createFontFaceValue(const AtomString&);
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Ref<CSSPrimitiveValue> createFontFamilyValue(const String&, FromSystemFontID = FromSystemFontID::No);
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Ref<CSSInheritedValue> createInheritedValue() { return staticCSSValuePool->m_inheritedValue.get(); }
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Ref<CSSInitialValue> createImplicitInitialValue() { return staticCSSValuePool->m_implicitInitialValue.get(); }
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Ref<CSSInitialValue> createExplicitInitialValue() { return staticCSSValuePool->m_explicitInitialValue.get(); }
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Ref<CSSUnsetValue> createUnsetValue() { return staticCSSValuePool->m_unsetValue.get(); }
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Ref<CSSRevertValue> createRevertValue() { return staticCSSValuePool->m_revertValue.get(); }
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Ref<CSSPrimitiveValue> createIdentifierValue(CSSValueID identifier);
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Ref<CSSPrimitiveValue> createIdentifierValue(CSSPropertyID identifier);
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Ref<CSSPrimitiveValue> createColorValue(const Color&);
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Ref<CSSPrimitiveValue> createValue(double value, CSSUnitType);
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Ref<CSSPrimitiveValue> createValue(const String& value, CSSUnitType type) { return CSSPrimitiveValue::create(value, type); }
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Ref<CSSPrimitiveValue> createValue(const Length& value, const RenderStyle& style) { return CSSPrimitiveValue::create(value, style); }
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Ref<CSSPrimitiveValue> createValue(const LengthSize& value, const RenderStyle& style) { return CSSPrimitiveValue::create(value, style); }
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Ref<CSSPrimitiveValue> createCustomIdent(const String& value) { return CSSPrimitiveValue::create(value, CSSUnitType::CustomIdent); }
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template<typename T> static Ref<CSSPrimitiveValue> createValue(T&& value) { return CSSPrimitiveValue::create(std::forward<T>(value)); }
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void drain();
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private:
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typedef HashMap<Color, RefPtr<CSSPrimitiveValue>> ColorValueCache;
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ColorValueCache m_colorValueCache;
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typedef HashMap<AtomString, RefPtr<CSSValueList>> FontFaceValueCache;
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FontFaceValueCache m_fontFaceValueCache;
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typedef HashMap<std::pair<String, bool>, RefPtr<CSSPrimitiveValue>> FontFamilyValueCache;
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FontFamilyValueCache m_fontFamilyValueCache;
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friend class NeverDestroyed<CSSValuePool>;
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};
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} // namespace WebCore
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