1 /* 2 * Copyright (C) 2012 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef SelectRuleFeatureSet_h 32 #define SelectRuleFeatureSet_h 33 34 #include "core/css/RuleFeature.h" 35 #include "core/dom/Element.h" 36 37 namespace WebCore { 38 39 class SelectRuleFeatureSet { 40 public: 41 SelectRuleFeatureSet(); 42 43 void add(const SelectRuleFeatureSet&); 44 void clear(); 45 void collectFeaturesFromSelector(const CSSSelector*); 46 47 bool hasSelectorForId(const AtomicString&) const; 48 bool hasSelectorForClass(const AtomicString&) const; 49 bool hasSelectorForAttribute(const AtomicString&) const; 50 51 bool hasSelectorForChecked() const { return hasSelectorFor(AffectedSelectorChecked); } 52 bool hasSelectorForEnabled() const { return hasSelectorFor(AffectedSelectorEnabled); } 53 bool hasSelectorForDisabled() const { return hasSelectorFor(AffectedSelectorDisabled); } 54 bool hasSelectorForIndeterminate() const { return hasSelectorFor(AffectedSelectorIndeterminate); } 55 bool hasSelectorForLink() const { return hasSelectorFor(AffectedSelectorLink); } 56 bool hasSelectorForTarget() const { return hasSelectorFor(AffectedSelectorTarget); } 57 bool hasSelectorForVisited() const { return hasSelectorFor(AffectedSelectorVisited); } 58 59 bool hasSelectorFor(AffectedSelectorMask features) const { return m_featureFlags & features; } 60 61 private: 62 void setSelectRuleFeature(AffectedSelectorType feature) { m_featureFlags |= feature; } 63 64 RuleFeatureSet m_cssRuleFeatureSet; 65 int m_featureFlags; 66 }; 67 68 inline bool SelectRuleFeatureSet::hasSelectorForId(const AtomicString& idValue) const 69 { 70 ASSERT(!idValue.isEmpty()); 71 return m_cssRuleFeatureSet.idsInRules.contains(idValue); 72 } 73 74 inline bool SelectRuleFeatureSet::hasSelectorForClass(const AtomicString& classValue) const 75 { 76 ASSERT(!classValue.isEmpty()); 77 return m_cssRuleFeatureSet.classesInRules.contains(classValue); 78 } 79 80 inline bool SelectRuleFeatureSet::hasSelectorForAttribute(const AtomicString& attributeName) const 81 { 82 ASSERT(!attributeName.isEmpty()); 83 return m_cssRuleFeatureSet.attrsInRules.contains(attributeName); 84 } 85 86 } 87 88 #endif 89
