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295f920116
I wrote a script to do this which is attached to the bug. TBR=abarth@chromium.org BUG=435361 Review URL: https://codereview.chromium.org/736373003
111 lines
3.4 KiB
C++
111 lines
3.4 KiB
C++
/*
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* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
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* Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. 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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*/
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#ifndef SKY_ENGINE_CORE_CSS_RULEFEATURE_H_
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#define SKY_ENGINE_CORE_CSS_RULEFEATURE_H_
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#include "sky/engine/core/css/CSSSelector.h"
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#include "sky/engine/wtf/Forward.h"
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#include "sky/engine/wtf/HashSet.h"
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#include "sky/engine/wtf/text/AtomicStringHash.h"
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namespace blink {
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class CSSSelectorList;
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class Element;
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class QualifiedName;
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class RuleData;
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class SpaceSplitString;
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class StyleRule;
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struct RuleFeature {
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RuleFeature(StyleRule* rule, unsigned selectorIndex)
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: rule(rule)
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, selectorIndex(selectorIndex)
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{
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}
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StyleRule* rule;
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unsigned selectorIndex;
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};
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class RuleFeatureSet {
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public:
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RuleFeatureSet();
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~RuleFeatureSet();
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void add(const RuleFeatureSet&);
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void clear();
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void collectFeaturesFromSelector(const CSSSelector&);
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void collectFeaturesFromRuleData(const RuleData&);
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inline bool hasSelectorForAttribute(const AtomicString& attributeName) const
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{
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ASSERT(!attributeName.isEmpty());
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return m_attributeNames.contains(attributeName);
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}
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inline bool hasSelectorForClass(const AtomicString& classValue) const
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{
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ASSERT(!classValue.isEmpty());
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return m_classNames.contains(classValue);
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}
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inline bool hasSelectorForId(const AtomicString& idValue) const
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{
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ASSERT(!idValue.isEmpty());
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return m_idNames.contains(idValue);
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}
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void scheduleStyleInvalidationForClassChange(const SpaceSplitString& changedClasses, Element&);
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void scheduleStyleInvalidationForClassChange(const SpaceSplitString& oldClasses, const SpaceSplitString& newClasses, Element&);
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void scheduleStyleInvalidationForClassChange(const AtomicString& className, Element& element);
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void scheduleStyleInvalidationForAttributeChange(const QualifiedName& attributeName, Element&);
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void scheduleStyleInvalidationForIdChange(const AtomicString& oldId, const AtomicString& newId, Element&);
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Vector<RuleFeature> attributeRules;
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private:
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void addSelectorFeatures(const CSSSelector&);
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void collectFeaturesFromSelectorList(const CSSSelectorList*);
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HashSet<AtomicString> m_classNames;
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HashSet<AtomicString> m_attributeNames;
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HashSet<AtomicString> m_idNames;
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};
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} // namespace blink
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namespace WTF {
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template <> struct VectorTraits<blink::RuleFeature> : VectorTraitsBase<blink::RuleFeature> {
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static const bool needsDestruction = false;
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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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} // namespace WTF
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#endif // SKY_ENGINE_CORE_CSS_RULEFEATURE_H_
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