1/* 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) 3 * (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com) 4 * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com) 5 * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved. 6 * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org> 7 * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org> 8 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/) 9 * Copyright (c) 2011, Code Aurora Forum. All rights reserved. 10 * Copyright (C) Research In Motion Limited 2011. All rights reserved. 11 * Copyright (C) 2012 Google Inc. All rights reserved. 12 * 13 * This library is free software; you can redistribute it and/or 14 * modify it under the terms of the GNU Library General Public 15 * License as published by the Free Software Foundation; either 16 * version 2 of the License, or (at your option) any later version. 17 * 18 * This library is distributed in the hope that it will be useful, 19 * but WITHOUT ANY WARRANTY; without even the implied warranty of 20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 21 * Library General Public License for more details. 22 * 23 * You should have received a copy of the GNU Library General Public License 24 * along with this library; see the file COPYING.LIB. If not, write to 25 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 26 * Boston, MA 02110-1301, USA. 27 */ 28 29#include "config.h" 30#include "RuleFeature.h" 31 32#include "CSSSelector.h" 33 34namespace WebCore { 35 36void RuleFeatureSet::collectFeaturesFromSelector(const CSSSelector* selector) 37{ 38 if (selector->m_match == CSSSelector::Id) 39 idsInRules.add(selector->value().impl()); 40 else if (selector->m_match == CSSSelector::Class) 41 classesInRules.add(selector->value().impl()); 42 else if (selector->isAttributeSelector()) 43 attrsInRules.add(selector->attribute().localName().impl()); 44 else if (selector->m_match == CSSSelector::PseudoElement) { 45 switch (selector->pseudoElementType()) { 46 case CSSSelector::PseudoElementFirstLine: 47 usesFirstLineRules = true; 48 break; 49 case CSSSelector::PseudoElementFirstLetter: 50 usesFirstLetterRules = true; 51 break; 52 case CSSSelector::PseudoElementBefore: 53 case CSSSelector::PseudoElementAfter: 54 usesBeforeAfterRules = true; 55 break; 56 default: 57 break; 58 } 59 } 60} 61 62void RuleFeatureSet::add(const RuleFeatureSet& other) 63{ 64 HashSet<AtomicStringImpl*>::const_iterator end = other.idsInRules.end(); 65 for (HashSet<AtomicStringImpl*>::const_iterator it = other.idsInRules.begin(); it != end; ++it) 66 idsInRules.add(*it); 67 end = other.classesInRules.end(); 68 for (HashSet<AtomicStringImpl*>::const_iterator it = other.classesInRules.begin(); it != end; ++it) 69 classesInRules.add(*it); 70 end = other.attrsInRules.end(); 71 for (HashSet<AtomicStringImpl*>::const_iterator it = other.attrsInRules.begin(); it != end; ++it) 72 attrsInRules.add(*it); 73 siblingRules.appendVector(other.siblingRules); 74 uncommonAttributeRules.appendVector(other.uncommonAttributeRules); 75 usesFirstLineRules = usesFirstLineRules || other.usesFirstLineRules; 76 usesFirstLetterRules = usesFirstLetterRules || other.usesFirstLetterRules; 77 usesBeforeAfterRules = usesBeforeAfterRules || other.usesBeforeAfterRules; 78} 79 80void RuleFeatureSet::clear() 81{ 82 idsInRules.clear(); 83 classesInRules.clear(); 84 attrsInRules.clear(); 85 siblingRules.clear(); 86 uncommonAttributeRules.clear(); 87 usesFirstLineRules = false; 88 usesFirstLetterRules = false; 89 usesBeforeAfterRules = false; 90} 91 92} // namespace WebCore 93