charenc.H

/*
 * This file is part of the "Archon" framework.
 * (http://files3d.sourceforge.net)
 *
 * Copyright © 2002 by Kristian Spangsege and Brian Kristiansen.
 *
 * Permission to use, copy, modify, and distribute this software and
 * its documentation under the terms of the GNU General Public License is
 * hereby granted. No representations are made about the suitability of
 * this software for any purpose. It is provided "as is" without express
 * or implied warranty. See the GNU General Public License
 * (http://www.gnu.org/copyleft/gpl.html) for more details.
 *
 * The characters in this file are ISO8859-1 encoded.
 *
 * The documentation in this file is in "Doxygen" style
 * (http://www.doxygen.org).
 */

#ifndef ARCHON_UTILITIES_CHARENC_H
#define ARCHON_UTILITIES_CHARENC_H

#include <iconv.h>

namespace Archon
{
  namespace Utilities
  {
    using namespace std;

    struct CharEnc
    {
      static const string US_ASCII;     
      static const string ISO_8859_1;   
      static const string ISO_8859_15;  
      static const string UTF_8;        
      static const string UTF_16LE;     
      static const string UTF_16BE;     
      static const string UTF_32LE;     
      static const string UTF_32BE;     
      static const string WINDOWS_1252; 

      struct TranscodeException: Exception
      {
        TranscodeException(string l): Exception(l) {}
      };

      static string encode(wstring s, string encoding = UTF_8,
                           bool fail = false) throw(TranscodeException);

      static wstring decode(string s, string encoding = UTF_8,
                            bool fail = false) throw(TranscodeException);

      static string transcode(string s, string sourceEncoding,
                              string targetEncoding,
                              bool fail = false) throw(TranscodeException);

      CharEnc(string sourceEncoding, string targetEncoding);

      ~CharEnc();

      void transcode(const char *&sourceBuffer, size_t &sourceBytesLeft,
                     char *&targetBuffer, size_t &targetBytesLeft,
                     bool fail = false) throw(TranscodeException);

    private:
      iconv_t iconvState;
      string targetEncoding;
      string replacementCharacter;
      bool needReplacementCharacter;
    };
  }
}

#endif // ARCHON_UTILITIES_CHARENC_H

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