| /* |
| * 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 "platform/heap/Handle.h" |
| #include "wtf/Forward.h" |
| #include "wtf/HashMap.h" |
| #include "wtf/text/AtomicString.h" |
| #include "wtf/text/AtomicStringHash.h" |
| #include "wtf/text/StringImpl.h" |
| |
| namespace blink { |
| |
| class Element; |
| class TreeScope; |
| |
| class DocumentOrderedMap : public NoBaseWillBeGarbageCollected<DocumentOrderedMap> { |
| public: |
| static PassOwnPtrWillBeRawPtr<DocumentOrderedMap> create(); |
| void add(const AtomicString&, Element*); |
| void remove(const AtomicString&, Element*); |
| |
| bool contains(const AtomicString&) const; |
| bool containsMultiple(const AtomicString&) const; |
| // concrete instantiations of the get<>() method template |
| Element* getElementById(const AtomicString&, const TreeScope*) const; |
| const WillBeHeapVector<RawPtrWillBeMember<Element> >& getAllElementsById(const AtomicString&, const TreeScope*) const; |
| Element* getElementByMapName(const AtomicString&, const TreeScope*) const; |
| Element* getElementByLowercasedMapName(const AtomicString&, const TreeScope*) const; |
| Element* getElementByLabelForAttribute(const AtomicString&, const TreeScope*) const; |
| |
| void trace(Visitor*); |
| |
| private: |
| template<bool keyMatches(const AtomicString&, const Element&)> |
| Element* get(const AtomicString&, const TreeScope*) const; |
| |
| class MapEntry : public NoBaseWillBeGarbageCollected<MapEntry> { |
| public: |
| explicit MapEntry(Element* firstElement) |
| : element(firstElement) |
| , count(1) |
| { |
| } |
| |
| void trace(Visitor*); |
| |
| RawPtrWillBeMember<Element> element; |
| unsigned count; |
| WillBeHeapVector<RawPtrWillBeMember<Element> > orderedList; |
| }; |
| |
| typedef WillBeHeapHashMap<AtomicString, OwnPtrWillBeMember<MapEntry> > Map; |
| |
| mutable Map m_map; |
| }; |
| |
| inline bool DocumentOrderedMap::contains(const AtomicString& id) const |
| { |
| return m_map.contains(id); |
| } |
| |
| inline bool DocumentOrderedMap::containsMultiple(const AtomicString& id) const |
| { |
| Map::const_iterator it = m_map.find(id); |
| return it != m_map.end() && it->value->count > 1; |
| } |
| |
| } // namespace blink |
| |
| #endif // DocumentOrderedMap_h |