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