/*

 *  Copyright (C) 1999-2001 Harri Porten (porten@kde.org)

 *  Copyright (C) 2003, 2004, 2005, 2006, 2008, 2009 Apple Inc. All rights reserved.

 *  Copyright (C) 2007 Samuel Weinig <sam@webkit.org>

 *  Copyright (C) 2009 Google, Inc. All rights reserved.

 *

 *  This library is free software; you can redistribute it and/or

 *  modify it under the terms of the GNU Lesser 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

 *  Lesser General Public License for more details.

 *

 *  You should have received a copy of the GNU Lesser General Public

 *  License along with this library; if not, write to the Free Software

 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

 */

#ifndef DOMObjectHashTableMap_h

#define DOMObjectHashTableMap_h

#include <runtime/Lookup.h>

#include <wtf/HashMap.h>

namespace JSC {

    class JSGlobalData;

}

namespace WebCore {

// Map from static HashTable instances to per-GlobalData ones.

class DOMObjectHashTableMap {

public:

    static DOMObjectHashTableMap& mapFor(JSC::JSGlobalData&);

    ~DOMObjectHashTableMap()

    {

        HashMap<const JSC::HashTable*, JSC::HashTable>::iterator mapEnd = m_map.end();

        for (HashMap<const JSC::HashTable*, JSC::HashTable>::iterator iter = m_map.begin(); iter != m_map.end(); ++iter)

            iter->second.deleteTable();

    }

    const JSC::HashTable* get(const JSC::HashTable* staticTable)

    {

        HashMap<const JSC::HashTable*, JSC::HashTable>::iterator iter = m_map.find(staticTable);

        if (iter != m_map.end())

            return &iter->second;

        return &m_map.set(staticTable, JSC::HashTable(*staticTable)).first->second;

    }

private:

    HashMap<const JSC::HashTable*, JSC::HashTable> m_map;

};

} // namespace WebCore

#endif // DOMObjectHashTableMap_h