1 files changed, 80 insertions, 0 deletions
diff --git a/khexedit/lib/codecs/koctalbytecodec.cpp b/khexedit/lib/codecs/koctalbytecodec.cpp
new file mode 100644
index 0000000..1167941
--- /dev/null
+++ b/khexedit/lib/codecs/koctalbytecodec.cpp
@@ -0,0 +1,80 @@
+/***************************************************************************
+                          koctalbytecodec.cpp  -  description
+                             -------------------
+    begin                : Mo Nov 29 2004
+    copyright            : (C) 2004 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.       *
+ *                                                                         *
+ ***************************************************************************/
+
+
+// lib specific
+#include "koctalbytecodec.h"
+
+using namespace KHE;
+
+
+void KOctalByteCodec::encode( QString &Digits, unsigned int Pos, unsigned char Char ) const
+{
+  Digits.at(Pos++) = '0'+(Char>>6);
+  Digits.at(Pos++) = '0'+((Char>>3)&0x07);
+  Digits.at(Pos) = '0'+((Char)   &0x07);
+}
+
+
+void KOctalByteCodec::encodeShort( QString &Digits, unsigned int Pos, unsigned char Char ) const
+{
+  unsigned char C;
+  if( (C = (Char>>6)&0x07) )
+    Digits.at(Pos++) = '0'+C;
+  if( (C = (Char>>3)&0x07) )
+    Digits.at(Pos++) = '0'+C;
+  Digits.at(Pos) = '0'+((Char)&0x07);
+}
+
+
+bool KOctalByteCodec::isValidDigit( unsigned char Digit ) const
+{
+  return Digit >= '0' && Digit <= '7';
+}
+
+
+bool KOctalByteCodec::turnToValue( unsigned char *Digit ) const
+{
+  if( isValidDigit(*Digit) )
+  {
+    *Digit -= '0';
+    return true;
+  }
+  return false;
+}
+
+
+bool KOctalByteCodec::appendDigit( unsigned char *Byte, unsigned char Digit ) const
+{
+  if( turnToValue(&Digit) )
+  {
+    unsigned char B = *Byte;
+    if( B < 64 )
+    {
+      B <<= 3;
+      B += Digit;
+      *Byte = B;
+      return true;
+    }
+  }
+  return false;
+}
+
+
+void KOctalByteCodec::removeLastDigit( unsigned char *Byte ) const
+{
+  *Byte >>= 3;
+}