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, 2013 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) 2013 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#ifndef SelectorCheckerFastPath_h 30#define SelectorCheckerFastPath_h 31 32#include "core/css/CSSSelector.h" 33#include "core/css/SelectorChecker.h" 34 35namespace WebCore { 36 37class SelectorCheckerFastPath { 38public: 39 SelectorCheckerFastPath(const CSSSelector*, const Element&); 40 41 bool matches() const; 42 bool matchesRightmostSelector(SelectorChecker::VisitedMatchType) const; 43 bool matchesRightmostAttributeSelector() const; 44 45 static bool canUse(const CSSSelector*); 46 47private: 48 bool commonPseudoClassSelectorMatches(SelectorChecker::VisitedMatchType) const; 49 50 const CSSSelector* m_selector; 51 const Element& m_element; 52}; 53 54inline bool SelectorCheckerFastPath::matchesRightmostAttributeSelector() const 55{ 56 if (m_selector->m_match == CSSSelector::Exact || m_selector->m_match == CSSSelector::Set) 57 return SelectorChecker::checkExactAttribute(m_element, m_selector->attribute(), m_selector->value().impl()); 58 ASSERT(!m_selector->isAttributeSelector()); 59 return true; 60} 61 62} 63 64#endif 65