/* | |
* Copyright (C) 1999 Lars Knoll (knoll@kde.org) | |
* (C) 1999 Antti Koivisto (koivisto@kde.org) | |
* Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. | |
* | |
* This library is free software; you can redistribute it and/or | |
* modify it under the terms of the GNU Library General Public | |
* License as published by the Free Software Foundation; either | |
* version 2 of the License, or (at your option) any later version. | |
* | |
* This library is distributed in the hope that it will be useful, | |
* but WITHOUT ANY WARRANTY; without even the implied warranty of | |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
* Library General Public License for more details. | |
* | |
* You should have received a copy of the GNU Library General Public License | |
* along with this library; see the file COPYING.LIB. If not, write to | |
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
* Boston, MA 02110-1301, USA. | |
* | |
*/ | |
#ifndef HTMLCollection_h | |
#define HTMLCollection_h | |
#include "CollectionType.h" | |
#include <wtf/RefCounted.h> | |
#include <wtf/Forward.h> | |
#include <wtf/HashMap.h> | |
#include <wtf/Vector.h> | |
namespace WebCore { | |
class AtomicString; | |
class AtomicStringImpl; | |
class Element; | |
class Node; | |
class NodeList; | |
class String; | |
struct CollectionCache; | |
class HTMLCollection : public RefCounted<HTMLCollection> { | |
public: | |
static PassRefPtr<HTMLCollection> create(PassRefPtr<Node> base, CollectionType); | |
virtual ~HTMLCollection(); | |
unsigned length() const; | |
virtual Node* item(unsigned index) const; | |
virtual Node* nextItem() const; | |
virtual Node* namedItem(const AtomicString& name) const; | |
virtual Node* nextNamedItem(const AtomicString& name) const; // In case of multiple items named the same way | |
Node* firstItem() const; | |
void namedItems(const AtomicString& name, Vector<RefPtr<Node> >&) const; | |
PassRefPtr<NodeList> tags(const String&); | |
Node* base() const { return m_base.get(); } | |
CollectionType type() const { return m_type; } | |
protected: | |
HTMLCollection(PassRefPtr<Node> base, CollectionType, CollectionCache*); | |
HTMLCollection(PassRefPtr<Node> base, CollectionType); | |
CollectionCache* info() const { return m_info; } | |
void resetCollectionInfo() const; | |
mutable bool m_idsDone; // for nextNamedItem() | |
private: | |
virtual Element* itemAfter(Element*) const; | |
virtual unsigned calcLength() const; | |
virtual void updateNameCache() const; | |
bool checkForNameMatch(Element*, bool checkName, const AtomicString& name) const; | |
RefPtr<Node> m_base; | |
CollectionType m_type; | |
mutable CollectionCache* m_info; | |
mutable bool m_ownsInfo; | |
}; | |
} // namespace | |
#endif |