sprint/io/xstream/xtar.h

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/******************************************************************************
*   sprint::xtar
*
*   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 _XTAR_H
#define _XTAR_H

#include <string>
#include <sprint/io/xstream/xfolder.h>
#include <sprint/io/tar.h>

namespace sprint {
  namespace io {

class xtar: public xfolder {
        tar m_tar;              
        bool m_good;            
        int m_open_mode;        
        bool m_buffer_mode;     
        std::string fl;         

        private:
        void flush(void);

        public:
        xtar(const char *filename, flag_t open_mode, bool full_buffer = false);
        ~xtar();

        bool open(const std::string & filename);
        bool close();
        unsigned int capabilities() const;
        unsigned long long seek(unsigned long long);
        unsigned long long size();
        
        inline bool is_good() const { return m_good; }
        inline std::string filename() const { return fl; }

        unsigned int write(const unsigned char *data, unsigned int size);
        unsigned int read(unsigned char *data, unsigned int size);
};

class xtarf: public xstream {
        public:
        xtarf(xstream & stream);
        ~xtarf();
        xtarf *clone(void);
        bool open(const char *filename, int flags);
        bool close();
        unsigned int write(const unsigned char *data, unsigned int size);
        unsigned int read(unsigned char *data, unsigned int size);
};

  }
  
}

#endif