/*
 *   khexedit - Versatile hex editor
 *   Copyright (C) 1999  Espen Sand, espensa@online.no
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program 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 General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 */

#ifndef _CONVERSION_H_
#define _CONVERSION_H_

#include <tqstring.h> 

#include "progress.h"


struct SEncodeState
{
  unsigned int mode;
  TQString name;
};


class CConversion
{
  public:
    enum EMode
    {
      cnvDefault = 0,
      cnvEbcdic,
      cnvUsAscii
    };

  public:
    CConversion( void );

    int  convert( TQByteArray &buf, EMode mode, CProgress &p );
    bool lossless( EMode cnvMode );

    EMode mode( void );
    const SEncodeState &state( void );

    unsigned char operator[]( unsigned int i ) const
    { 
      return( mData[i] );
    }

  private:
    TQString names( unsigned int index );
    const unsigned char *tables( EMode cnvMode );
    void setMode( EMode cnvMode );

  private:
    SEncodeState mState;
    unsigned char mData[256];
};


#endif
