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 switch (selector->pseudoType()) { 45 case CSSSelector::PseudoFirstLine: 46 usesFirstLineRules = true; 47 break; 48 case CSSSelector::PseudoBefore: 49 case CSSSelector::PseudoAfter: 50 usesBeforeAfterRules = true; 51 break; 52 default: 53 break; 54 } 55} 56 57void RuleFeatureSet::add(const RuleFeatureSet& other) 58{ 59 HashSet<AtomicStringImpl*>::const_iterator end = other.idsInRules.end(); 60 for (HashSet<AtomicStringImpl*>::const_iterator it = other.idsInRules.begin(); it != end; ++it) 61 idsInRules.add(*it); 62 end = other.classesInRules.end(); 63 for (HashSet<AtomicStringImpl*>::const_iterator it = other.classesInRules.begin(); it != end; ++it) 64 classesInRules.add(*it); 65 end = other.attrsInRules.end(); 66 for (HashSet<AtomicStringImpl*>::const_iterator it = other.attrsInRules.begin(); it != end; ++it) 67 attrsInRules.add(*it); 68 siblingRules.appendVector(other.siblingRules); 69 uncommonAttributeRules.appendVector(other.uncommonAttributeRules); 70 usesFirstLineRules = usesFirstLineRules || other.usesFirstLineRules; 71 usesBeforeAfterRules = usesBeforeAfterRules || other.usesBeforeAfterRules; 72} 73 74void RuleFeatureSet::clear() 75{ 76 idsInRules.clear(); 77 classesInRules.clear(); 78 attrsInRules.clear(); 79 siblingRules.clear(); 80 uncommonAttributeRules.clear(); 81 usesFirstLineRules = false; 82 usesBeforeAfterRules = false; 83} 84 85} // namespace WebCore 86