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/***************************************************************************
kbytecodec.h - description
-------------------
begin : Sam Mai 17 2003
copyright : (C) 2003 by Friedrich W. H. Kossebau
email : Friedrich.W.H@Kossebau.de
***************************************************************************/
/***************************************************************************
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License version 2 as published by the Free Software Foundation. *
* *
***************************************************************************/
#ifndef KHE_KBYTECODEC_H
#define KHE_KBYTECODEC_H
#include "khe.h"
#include <tqstring.h>
namespace KHE
{
/** class that is able to convert codings to and from
* hexadecimal, decimal, octal, and binary
*
* the buffer will be always filled up to CodingWidth, if not using shortCodingFunction
* a closing '\0' will be always added
*
*@author Friedrich W. H. Kossebau
*/
class KByteCodec
{
public:
static KByteCodec *createCodec( KCoding C );
protected: // hiding, as this class should never be instanciated
KByteCodec() {}
public: // API to be implemented
/** */
virtual unsigned int encodingWidth() const = 0;
/** */
virtual unsigned char digitsFilledLimit() const = 0;
/** encodes the Char and writes the result to */
virtual void encode( TQString &Digits, unsigned int Pos, const unsigned char Char ) const = 0;
/** */
virtual void encodeShort( TQString &Digits, unsigned int Pos, const unsigned char Char ) const = 0;
/** */
virtual bool appendDigit( unsigned char *Byte, const unsigned char Digit ) const = 0;
/** */
virtual void removeLastDigit( unsigned char *Byte ) const = 0;
/** */
virtual bool isValidDigit( const unsigned char Digit ) const = 0;
/** */
virtual bool turnToValue( unsigned char *Digit ) const = 0;
public:
/** */
uint decode( unsigned char *Char, const TQString &Digits, uint Pos ) const;
};
}
#endif
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