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/***************************************************************************
kdecimalbytecodec.cpp - description
-------------------
begin : Mo Nov 29 2004
copyright : (C) 2004 by Friedrich W. H. Kossebau
email : [email protected]
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
// lib specific
#include "kdecimalbytecodec.h"
using namespace KHE;
void KDecimalByteCodec::encode( QString &Digits, unsigned int Pos, unsigned char Char ) const
{
unsigned char C = Char / 100;
Digits.at(Pos++) = '0'+C;
Char -= C * 100;
C = Char / 10;
Digits.at(Pos++) = '0'+C;
Char -= C * 10;
Digits.at(Pos) = '0'+Char;
}
void KDecimalByteCodec::encodeShort( QString &Digits, unsigned int Pos, unsigned char Char ) const
{
unsigned char C;
if( (C = Char / 100) )
{
Digits.at(Pos++) = '0'+C;
Char -= C * 100;
}
if( (C = Char / 10) )
{
Digits.at(Pos++) = '0'+C;
Char -= C * 10;
}
Digits.at(Pos) = '0'+Char;
}
bool KDecimalByteCodec::isValidDigit( unsigned char Digit ) const
{
return Digit >= '0' && Digit <= '9';
}
bool KDecimalByteCodec::turnToValue( unsigned char *Digit ) const
{
if( isValidDigit(*Digit) )
{
*Digit -= '0';
return true;
}
return false;
}
bool KDecimalByteCodec::appendDigit( unsigned char *Byte, unsigned char Digit ) const
{
if( turnToValue(&Digit) )
{
unsigned char B = *Byte;
if( B < 26 )
{
B *= 10;
if( Digit <= 255-B )
{
B += Digit;
*Byte = B;
return true;
}
}
}
return false;
}
void KDecimalByteCodec::removeLastDigit( unsigned char *Byte ) const
{
*Byte /= 10;
}
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