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VMemMap.h

/*****************************************************************************
 * Author:   Valient Gough <vgough@pobox.com>
 *
 *****************************************************************************
 * Copyright (c) 2000, Valient Gough
 *
 * This library is free software; you can distribute it and/or modify it under
 * the terms of the GNU Lesser General Public License (LGPL), as published by
 * the Free Software Foundation; either version 2.1 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 LGPL in the file COPYING for more
 * details.
 *
 */
                                                                               
#ifndef _VMemMap_incl_
#define _VMemMap_incl_


#include <rel/VMap.h>

namespace rel
{

    class VMemMap : public VMap
    {
    public:

        VMemMap();
        virtual ~VMemMap();

        // search for subdirectory
        virtual VMapPtr createDirectory(const string &name);

        // ---------------------- find
        virtual OpaqueValue find(const string &name);

        // ---------------------- iterate
        virtual VMapIterator begin();
        virtual VMapIterator end();
        virtual VMapIterator at(const string &name);


        // ---------------------- insert
        virtual ErrorCode insert(const string &name, const OpaqueValue &value);

        // ----------------------- assign
        virtual ErrorCode assign(const string &name, const OpaqueValue &value);

        // ----------------------- remove
        virtual ErrorCode erase(const string &name);

        virtual ErrorCode clear();


    protected:
        virtual void advanceIterator(const OpaqueValue &) const;
        virtual bool equalIteratorData(const OpaqueValue &, 
                const OpaqueValue &) const;
        virtual void assignIteratorData(const OpaqueValue &, 
                const OpaqueValue &) const;
        virtual void getKeyValue(const OpaqueValue &,
                std::pair<std::string,OpaqueValue> *result);

    private:
        struct VMapData *data;
    };


} // namespace rel


#endif

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