/* * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef DocumentOrderedMap_h #define DocumentOrderedMap_h #include "wtf/HashMap.h" #include "wtf/Vector.h" #include "wtf/text/StringImpl.h" namespace WebCore { class Element; class TreeScope; class DocumentOrderedMap { public: void add(StringImpl*, Element*); void remove(StringImpl*, Element*); bool contains(StringImpl*) const; bool containsMultiple(StringImpl*) const; // concrete instantiations of the get<>() method template Element* getElementById(StringImpl*, const TreeScope*) const; const Vector<Element*>& getAllElementsById(StringImpl*, const TreeScope*) const; Element* getElementByMapName(StringImpl*, const TreeScope*) const; Element* getElementByLowercasedMapName(StringImpl*, const TreeScope*) const; Element* getElementByLabelForAttribute(StringImpl*, const TreeScope*) const; private: template<bool keyMatches(StringImpl*, Element&)> Element* get(StringImpl*, const TreeScope*) const; struct MapEntry { explicit MapEntry(Element* firstElement) : element(firstElement) , count(1) { } Element* element; unsigned count; Vector<Element*> orderedList; }; typedef HashMap<StringImpl*, OwnPtr<MapEntry> > Map; mutable Map m_map; }; inline bool DocumentOrderedMap::contains(StringImpl* id) const { return m_map.contains(id); } inline bool DocumentOrderedMap::containsMultiple(StringImpl* id) const { Map::const_iterator it = m_map.find(id); return it != m_map.end() && it->value->count > 1; } } // namespace WebCore #endif // DocumentOrderedMap_h