sprint/io/xstream/detail/xadapter.h

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/******************************************************************************
*   sprint::xadapter
*
*   Copyright (C) 2005-2011  Paolo Medici <www.pmx.it>
*
*  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 2.1 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 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 _XVIRTUAL_ADAPTER_H
#define _XVIRTUAL_ADAPTER_H

#include <sprint/io/xstream/xstream.h>

namespace sprint {
          namespace io {
template<class _Io>
class xadapter: public sprint::io::xstream, public _Io {
      public:
        xadapter() { }
        xadapter(const _Io & io) : _Io(io) { }
        xadapter(const char *filename, flag_t flag) : _Io(filename, flag) { }
        
        virtual ~xadapter() { }
        virtual int write(const char *buf, unsigned int size) { return _Io::write(buf, size); }
        virtual int read(char *buf, unsigned int size) { return _Io::read(buf, size); }
        virtual file_size_t seek(file_size_t offset, seek_t type) { return _Io::seek(offset, type); }
        virtual file_size_t length()  { return _Io::length(); }
        
        virtual state_t state() { return _Io::state(); }
        };    
  } // namespace io
} // namespace sprint

#endif