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/*
* 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.
* Copyright (C) 2012 The Linux Foundation 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 "QualifiedName.h"
#include <wtf/RefCounted.h>
#include <wtf/Forward.h>
#include <wtf/HashMap.h>
#include <wtf/Vector.h>
namespace WebCore {
class Element;
class Node;
class NodeList;
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;
void init();
bool nodeMatchesDeep(Element*) const;
bool nodeMatchesShallow(Element*) const;
bool checkForNameMatch(Element*, bool checkName, const AtomicString& name) const;
enum MatchType { MatchNone, MatchTag, MatchCustom, MatchAll };
MatchType m_matchType;
QualifiedName m_matchTag;
RefPtr<Node> m_base;
CollectionType m_type;
bool m_includeChildren;
mutable CollectionCache* m_info;
mutable bool m_ownsInfo;
};
} // namespace
#endif
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