119 lines
4.4 KiB
C++
119 lines
4.4 KiB
C++
/*
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* (C) 1999-2003 Lars Knoll (knoll@kde.org)
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* Copyright (C) 2004, 2005, 2006 Apple Inc.
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* Copyright (C) 2013 Intel Corporation. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#pragma once
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#include "CSSPropertyNames.h"
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#include "CSSValue.h"
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#include "WritingMode.h"
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#include <wtf/RefPtr.h>
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namespace WebCore {
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struct StylePropertyMetadata {
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StylePropertyMetadata(CSSPropertyID propertyID, bool isSetFromShorthand, int indexInShorthandsVector, bool important, bool implicit, bool inherited)
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: m_propertyID(propertyID)
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, m_isSetFromShorthand(isSetFromShorthand)
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, m_indexInShorthandsVector(indexInShorthandsVector)
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, m_important(important)
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, m_implicit(implicit)
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, m_inherited(inherited)
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{
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}
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CSSPropertyID shorthandID() const;
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bool operator==(const StylePropertyMetadata& other) const
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{
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return m_propertyID == other.m_propertyID
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&& m_isSetFromShorthand == other.m_isSetFromShorthand
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&& m_indexInShorthandsVector == other.m_indexInShorthandsVector
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&& m_important == other.m_important
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&& m_implicit == other.m_implicit
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&& m_inherited == other.m_inherited;
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}
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uint16_t m_propertyID : 10;
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uint16_t m_isSetFromShorthand : 1;
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uint16_t m_indexInShorthandsVector : 2; // If this property was set as part of an ambiguous shorthand, gives the index in the shorthands vector.
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uint16_t m_important : 1;
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uint16_t m_implicit : 1; // Whether or not the property was set implicitly as the result of a shorthand.
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uint16_t m_inherited : 1;
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};
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class CSSProperty {
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public:
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CSSProperty(CSSPropertyID propertyID, RefPtr<CSSValue>&& value, bool important = false, bool isSetFromShorthand = false, int indexInShorthandsVector = 0, bool implicit = false)
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: m_metadata(propertyID, isSetFromShorthand, indexInShorthandsVector, important, implicit, isInheritedProperty(propertyID))
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, m_value(WTFMove(value))
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{
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}
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CSSPropertyID id() const { return static_cast<CSSPropertyID>(m_metadata.m_propertyID); }
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bool isSetFromShorthand() const { return m_metadata.m_isSetFromShorthand; };
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CSSPropertyID shorthandID() const { return m_metadata.shorthandID(); };
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bool isImportant() const { return m_metadata.m_important; }
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CSSValue* value() const { return m_value.get(); }
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void wrapValueInCommaSeparatedList();
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static CSSPropertyID resolveDirectionAwareProperty(CSSPropertyID, TextDirection, WritingMode);
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static bool isInheritedProperty(CSSPropertyID);
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static Vector<String> aliasesForProperty(CSSPropertyID);
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static bool isDirectionAwareProperty(CSSPropertyID);
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static bool isInLogicalPropertyGroup(CSSPropertyID);
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static bool areInSameLogicalPropertyGroupWithDifferentMappingLogic(CSSPropertyID, CSSPropertyID);
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static bool isDescriptorOnly(CSSPropertyID);
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static bool isColorProperty(CSSPropertyID);
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const StylePropertyMetadata& metadata() const { return m_metadata; }
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bool operator==(const CSSProperty& other) const
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{
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if (!(m_metadata == other.m_metadata))
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return false;
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if (!m_value && !other.m_value)
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return true;
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if (!m_value || !other.m_value)
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return false;
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return m_value->equals(*other.m_value);
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}
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private:
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StylePropertyMetadata m_metadata;
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RefPtr<CSSValue> m_value;
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};
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typedef Vector<CSSProperty, 256> ParsedPropertyVector;
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} // namespace WebCore
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namespace WTF {
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template <> struct VectorTraits<WebCore::CSSProperty> : VectorTraitsBase<false, WebCore::CSSProperty> {
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static const bool canInitializeWithMemset = true;
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static const bool canMoveWithMemcpy = true;
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};
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}
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