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author | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
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committer | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
commit | 2bda8f7717adf28da4af0d34fb82f63d2868c31d (patch) | |
tree | 8d927b7b47a90c4adb646482a52613f58acd6f8c /khexedit/lib/codecs/kbinarybytecodec.cpp | |
download | tdeutils-2bda8f7717adf28da4af0d34fb82f63d2868c31d.tar.gz tdeutils-2bda8f7717adf28da4af0d34fb82f63d2868c31d.zip |
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeutils@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'khexedit/lib/codecs/kbinarybytecodec.cpp')
-rw-r--r-- | khexedit/lib/codecs/kbinarybytecodec.cpp | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/khexedit/lib/codecs/kbinarybytecodec.cpp b/khexedit/lib/codecs/kbinarybytecodec.cpp new file mode 100644 index 0000000..d665a05 --- /dev/null +++ b/khexedit/lib/codecs/kbinarybytecodec.cpp @@ -0,0 +1,80 @@ +/*************************************************************************** + kbinarybytecodec.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 "kbinarybytecodec.h" + +using namespace KHE; + + +void KBinaryByteCodec::encode( QString &Digits, unsigned int Pos, const unsigned char Char ) const +{ + for( unsigned char M=1<<7; M>0; M>>=1 ) + Digits.at(Pos++) = (Char & M) ? '1' : '0'; +} + +void KBinaryByteCodec::encodeShort( QString &Digits, unsigned int Pos, unsigned char Char ) const +{ + unsigned char M = 1<<7; + // find first set bit + for( ; M>0; M>>=1 ) + if( Char & M ) + break; + // now set the + for( ; M>0; M>>=1 ) + Digits.at(Pos++) = (Char & M) ? '1' : '0'; +} + + +bool KBinaryByteCodec::isValidDigit( unsigned char Digit ) const +{ + return Digit == '0' || Digit == '1'; +} + + +bool KBinaryByteCodec::turnToValue( unsigned char *Digit ) const +{ + if( isValidDigit(*Digit) ) + { + *Digit -= '0'; + return true; + } + return false; +} + + +bool KBinaryByteCodec::appendDigit( unsigned char *Byte, unsigned char Digit ) const +{ + if( turnToValue(&Digit) ) + { + unsigned char B = *Byte; + if( B < 128 ) + { + B <<= 1; + B += Digit; + *Byte = B; + return true; + } + } + return false; +} + + +void KBinaryByteCodec::removeLastDigit( unsigned char *Byte ) const +{ + *Byte >>= 1; +} |