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diff --git a/Source/WebCore/html/HTMLCollection.h b/Source/WebCore/html/HTMLCollection.h
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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.
+ *
+ * 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 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;
+
+    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