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1 /* | 1 /* |
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
3 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc.
All rights reserved. | 3 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc.
All rights reserved. |
4 * | 4 * |
5 * This library is free software; you can redistribute it and/or | 5 * This library is free software; you can redistribute it and/or |
6 * modify it under the terms of the GNU Library General Public | 6 * modify it under the terms of the GNU Library General Public |
7 * License as published by the Free Software Foundation; either | 7 * License as published by the Free Software Foundation; either |
8 * version 2 of the License, or (at your option) any later version. | 8 * version 2 of the License, or (at your option) any later version. |
9 * | 9 * |
10 * This library is distributed in the hope that it will be useful, | 10 * This library is distributed in the hope that it will be useful, |
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68 void add(const RuleFeatureSet&); | 68 void add(const RuleFeatureSet&); |
69 void clear(); | 69 void clear(); |
70 | 70 |
71 enum SelectorPreMatch { SelectorNeverMatches, SelectorMayMatch }; | 71 enum SelectorPreMatch { SelectorNeverMatches, SelectorMayMatch }; |
72 | 72 |
73 SelectorPreMatch collectFeaturesFromRuleData(const RuleData&); | 73 SelectorPreMatch collectFeaturesFromRuleData(const RuleData&); |
74 | 74 |
75 bool usesSiblingRules() const { return !siblingRules.isEmpty(); } | 75 bool usesSiblingRules() const { return !siblingRules.isEmpty(); } |
76 bool usesFirstLineRules() const { return m_metadata.usesFirstLineRules; } | 76 bool usesFirstLineRules() const { return m_metadata.usesFirstLineRules; } |
77 bool usesWindowInactiveSelector() const { return m_metadata.usesWindowInacti
veSelector; } | 77 bool usesWindowInactiveSelector() const { return m_metadata.usesWindowInacti
veSelector; } |
| 78 bool needsFullRecalcForRuleSetInvalidation() const { return m_metadata.needs
FullRecalcForRuleSetInvalidation; } |
78 | 79 |
79 unsigned maxDirectAdjacentSelectors() const { return m_metadata.maxDirectAdj
acentSelectors; } | 80 unsigned maxDirectAdjacentSelectors() const { return m_metadata.maxDirectAdj
acentSelectors; } |
80 | 81 |
81 bool hasSelectorForAttribute(const AtomicString& attributeName) const | 82 bool hasSelectorForAttribute(const AtomicString& attributeName) const |
82 { | 83 { |
83 DCHECK(!attributeName.isEmpty()); | 84 DCHECK(!attributeName.isEmpty()); |
84 return m_attributeInvalidationSets.contains(attributeName); | 85 return m_attributeInvalidationSets.contains(attributeName); |
85 } | 86 } |
86 | 87 |
87 bool hasSelectorForClass(const AtomicString& classValue) const | 88 bool hasSelectorForClass(const AtomicString& classValue) const |
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127 | 128 |
128 struct FeatureMetadata { | 129 struct FeatureMetadata { |
129 DISALLOW_NEW(); | 130 DISALLOW_NEW(); |
130 void add(const FeatureMetadata& other); | 131 void add(const FeatureMetadata& other); |
131 void clear(); | 132 void clear(); |
132 | 133 |
133 bool usesFirstLineRules = false; | 134 bool usesFirstLineRules = false; |
134 bool usesWindowInactiveSelector = false; | 135 bool usesWindowInactiveSelector = false; |
135 bool foundSiblingSelector = false; | 136 bool foundSiblingSelector = false; |
136 bool foundInsertionPointCrossing = false; | 137 bool foundInsertionPointCrossing = false; |
| 138 bool needsFullRecalcForRuleSetInvalidation = false; |
137 unsigned maxDirectAdjacentSelectors = 0; | 139 unsigned maxDirectAdjacentSelectors = 0; |
138 }; | 140 }; |
139 | 141 |
140 SelectorPreMatch collectFeaturesFromSelector(const CSSSelector&, FeatureMeta
data&); | 142 SelectorPreMatch collectFeaturesFromSelector(const CSSSelector&, FeatureMeta
data&); |
141 | 143 |
142 InvalidationSet& ensureClassInvalidationSet(const AtomicString& className, I
nvalidationType); | 144 InvalidationSet& ensureClassInvalidationSet(const AtomicString& className, I
nvalidationType); |
143 InvalidationSet& ensureAttributeInvalidationSet(const AtomicString& attribut
eName, InvalidationType); | 145 InvalidationSet& ensureAttributeInvalidationSet(const AtomicString& attribut
eName, InvalidationType); |
144 InvalidationSet& ensureIdInvalidationSet(const AtomicString& id, Invalidatio
nType); | 146 InvalidationSet& ensureIdInvalidationSet(const AtomicString& id, Invalidatio
nType); |
145 InvalidationSet& ensurePseudoInvalidationSet(CSSSelector::PseudoType, Invali
dationType); | 147 InvalidationSet& ensurePseudoInvalidationSet(CSSSelector::PseudoType, Invali
dationType); |
146 SiblingInvalidationSet& ensureUniversalSiblingInvalidationSet(); | 148 SiblingInvalidationSet& ensureUniversalSiblingInvalidationSet(); |
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161 Vector<AtomicString> tagNames; | 163 Vector<AtomicString> tagNames; |
162 unsigned maxDirectAdjacentSelectors = 0; | 164 unsigned maxDirectAdjacentSelectors = 0; |
163 bool customPseudoElement = false; | 165 bool customPseudoElement = false; |
164 bool hasBeforeOrAfter = false; | 166 bool hasBeforeOrAfter = false; |
165 bool treeBoundaryCrossing = false; | 167 bool treeBoundaryCrossing = false; |
166 bool insertionPointCrossing = false; | 168 bool insertionPointCrossing = false; |
167 bool forceSubtree = false; | 169 bool forceSubtree = false; |
168 bool contentPseudoCrossing = false; | 170 bool contentPseudoCrossing = false; |
169 bool invalidatesSlotted = false; | 171 bool invalidatesSlotted = false; |
170 bool hasNthPseudo = false; | 172 bool hasNthPseudo = false; |
| 173 bool hasInvalidationSetFeaturesInScope = false; |
171 }; | 174 }; |
172 | 175 |
173 static void extractInvalidationSetFeature(const CSSSelector&, InvalidationSe
tFeatures&); | 176 static void extractInvalidationSetFeature(const CSSSelector&, InvalidationSe
tFeatures&); |
174 | 177 |
175 enum UseFeaturesType { UseFeatures, ForceSubtree }; | 178 enum UseFeaturesType { UseFeatures, ForceSubtree }; |
176 | 179 |
177 enum PositionType { Subject, Ancestor }; | 180 enum PositionType { Subject, Ancestor }; |
178 | 181 |
179 void extractInvalidationSetFeaturesFromSimpleSelector(const CSSSelector&, In
validationSetFeatures&); | 182 void extractInvalidationSetFeaturesFromSimpleSelector(const CSSSelector&, In
validationSetFeatures&); |
180 const CSSSelector* extractInvalidationSetFeaturesFromCompound(const CSSSelec
tor&, InvalidationSetFeatures&, PositionType, CSSSelector::PseudoType = CSSSelec
tor::PseudoUnknown); | 183 const CSSSelector* extractInvalidationSetFeaturesFromCompound(const CSSSelec
tor&, InvalidationSetFeatures&, PositionType, CSSSelector::PseudoType = CSSSelec
tor::PseudoUnknown); |
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204 | 207 |
205 // If true, the RuleFeatureSet is alive and can be used. | 208 // If true, the RuleFeatureSet is alive and can be used. |
206 unsigned m_isAlive : 1; | 209 unsigned m_isAlive : 1; |
207 | 210 |
208 friend class RuleFeatureSetTest; | 211 friend class RuleFeatureSetTest; |
209 }; | 212 }; |
210 | 213 |
211 } // namespace blink | 214 } // namespace blink |
212 | 215 |
213 #endif // RuleFeature_h | 216 #endif // RuleFeature_h |
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