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streams.IStorageMemory.h

/*----------------------------------------------------------------------------
  SWORD 2000 - Software With Objects for Rapid Development
  Copyright (C) 2003 Eric NICOLAS
  ----------------------------------------------------------------------------
  SWORD 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.

  SWORD 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 SWORD; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  --------------------------------------------------------------------------*/
#ifndef _SWORD_STREAMS_ISTORAGEMEMORY_
#define _SWORD_STREAMS_ISTORAGEMEMORY_

#include "sword/streams.IStorage.h"

namespace sword {

        class SWORDDECL IStorageMemory : public IStorage {
                const void *buffer_;
                word  length_;
                word  pos_;

        public:
                IStorageMemory(const void *buffer, word length);
                ~IStorageMemory();

                // -- Implements IStorage
                word read(void* buffer, word length);

    // -- Optimised versions
    word read1(void* buffer);
    word read2(void* buffer);
    word read4(void* buffer);
    word read8(void* buffer);

                // -- Additional methods
                word read() const;
                void reset();
        };

  template<>
  class IStorageTraits<IStorageMemory> {
  public:
    static inline word read1(IStorageMemory& storage, void* buffer) { return storage.read1(buffer); }
    static inline word read2(IStorageMemory& storage, void* buffer) { return storage.read2(buffer); }
    static inline word read4(IStorageMemory& storage, void* buffer) { return storage.read4(buffer); }
    static inline word read8(IStorageMemory& storage, void* buffer) { return storage.read8(buffer); }
  };

} // namespace sword

#include "sword.private/streams.IStorageMemory.inl"

#endif // _SWORD_STREAMS_ISTORAGEMEMORY_

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