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

1 files changed, 395 insertions, 0 deletions

diff --git a/khexedit/conversion.cc b/khexedit/conversion.cc
new file mode 100644
index 0000000..7a5c25c
--- /dev/null
+++ b/khexedit/conversion.cc
@@ -0,0 +1,395 @@
+/*
+ *   khexedit - Versatile hex editor
+ *   Copyright (C) 1999  Espen Sand, espensa@online.no
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ */
+
+#include <string.h>
+
+#include <klocale.h>
+
+#include "conversion.h"
+
+
+CConversion::CConversion( void )
+{
+  setMode( cnvDefault );
+}
+
+
+CConversion::EMode CConversion::mode( void )
+{
+  return( (EMode)mState.mode );
+}
+
+const SEncodeState &CConversion::state( void )
+{
+  return( mState );
+}
+
+QString CConversion::names( unsigned int index )
+{
+  static const QString strings[4] = 
+  {
+    i18n("Default encoding", "Default"),
+    i18n("EBCDIC"),
+    i18n("US-ASCII (7 bit)"),
+    i18n("Unknown"),
+  };
+ 
+  return( strings[ index > cnvUsAscii ? 3 : index ] );
+}
+
+
+const unsigned char *CConversion::tables( EMode cnvMode )
+{
+  /*
+  static unsigned char ebcdicToLatin1[256] = 
+  {
+    0x00, 0x01, 0x02, 0x03, 0x9C, 0x09, 0x86, 0x7F, 
+    0x97, 0x8D, 0x8E, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
+    0x10, 0x11, 0x12, 0x13, 0x9D, 0x85, 0x08, 0x87, 
+    0x18, 0x19, 0x92, 0x8F, 0x1C, 0x1D, 0x1E, 0x1F,
+    0x80, 0x81, 0x82, 0x83, 0x84, 0x0A, 0x17, 0x1B, 
+    0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x05, 0x06, 0x07,
+    0x90, 0x91, 0x16, 0x93, 0x94, 0x95, 0x96, 0x04, 
+    0x98, 0x99, 0x9A, 0x9B, 0x14, 0x15, 0x9E, 0x1A,
+    0x20, 0xA0, 0xE2, 0xE4, 0xE0, 0xE1, 0xE3, 0xE5, 
+    0xE7, 0xF1, 0xA2, 0x2E, 0x3C, 0x28, 0x2B, 0x7C,
+    0x26, 0xE9, 0xEA, 0xEB, 0xE8, 0xED, 0xEE, 0xEF, 
+    0xEC, 0xDF, 0x21, 0x24, 0x2A, 0x29, 0x3B, 0x5E,
+    0x2D, 0x2F, 0xC2, 0xC4, 0xC0, 0xC1, 0xC3, 0xC5, 
+    0xC7, 0xD1, 0xA6, 0x2C, 0x25, 0x5F, 0x3E, 0x3F,
+    0xF8, 0xC9, 0xCA, 0xCB, 0xC8, 0xCD, 0xCE, 0xCF, 
+    0xCC, 0x60, 0x3A, 0x23, 0x40, 0x27, 0x3D, 0x22,
+    0xD8, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 
+    0x68, 0x69, 0xAB, 0xBB, 0xF0, 0xFD, 0xFE, 0xB1,
+    0xB0, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 
+    0x71, 0x72, 0xAA, 0xBA, 0xE6, 0xB8, 0xC6, 0xA4,
+    0xB5, 0x7E, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 
+    0x79, 0x7A, 0xA1, 0xBF, 0xD0, 0x5B, 0xDE, 0xAE,
+    0xAC, 0xA3, 0xA5, 0xB7, 0xA9, 0xA7, 0xB6, 0xBC, 
+    0xBD, 0xBE, 0xDD, 0xA8, 0xAF, 0x5D, 0xB4, 0xD7,
+    0x7B, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 
+    0x48, 0x49, 0xAD, 0xF4, 0xF6, 0xF2, 0xF3, 0xF5,
+    0x7D, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50, 
+    0x51, 0x52, 0xB9, 0xFB, 0xFC, 0xF9, 0xFA, 0xFF,
+    0x5C, 0xF7, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 
+    0x59, 0x5A, 0xB2, 0xD4, 0xD6, 0xD2, 0xD3, 0xD5,
+    0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 
+    0x38, 0x39, 0xB3, 0xDB, 0xDC, 0xD9, 0xDA, 0x9F
+  };
+  */
+
+  static unsigned char ebcdicToLatin1[256] = 
+  {
+    0x00, 0x01, 0x02, 0x03, 0x9C, 0x09, 0x86, 0x7F, 
+    0x97, 0x8D, 0x8E, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 
+    0x10, 0x11, 0x12, 0x13, 0x9D, 0x85, 0x08, 0x87, 
+    0x18, 0x19, 0x92, 0x8F, 0x1C, 0x1D, 0x1E, 0x1F, 
+    0x80, 0x81, 0x82, 0x83, 0x84, 0x0A, 0x17, 0x1B, 
+    0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x05, 0x06, 0x07, 
+    0x90, 0x91, 0x16, 0x93, 0x94, 0x95, 0x96, 0x04, 
+    0x98, 0x99, 0x9A, 0x9B, 0x14, 0x15, 0x9E, 0x1A, 
+    0x20, 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 
+    0xA7, 0xA8, 0x5B, 0x2E, 0x3C, 0x28, 0x2B, 0x21, 
+    0x26, 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF, 
+    0xB0, 0xB1, 0x5D, 0x24, 0x2A, 0x29, 0x3B, 0x5E, 
+    0x2D, 0x2F, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 
+    0xB8, 0xB9, 0x7C, 0x2C, 0x25, 0x5F, 0x3E, 0x3F, 
+    0xBA, 0xBB, 0xBC, 0xBD, 0xBE, 0xBF, 0xC0, 0xC1, 
+    0xC2, 0x60, 0x3A, 0x23, 0x40, 0x27, 0x3D, 0x22, 
+    0xC3, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 
+    0x68, 0x69, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 
+    0xCA, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 
+    0x71, 0x72, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF, 0xD0, 
+    0xD1, 0x7E, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 
+    0x79, 0x7A, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 
+    0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF, 
+    0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 
+    0x7B, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 
+    0x48, 0x49, 0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 
+    0x7D, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50, 
+    0x51, 0x52, 0xEE, 0xEF, 0xF0, 0xF1, 0xF2, 0xF3, 
+    0x5C, 0x9F, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 
+    0x59, 0x5A, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 
+    0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 
+    0x38, 0x39, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF, 
+  }; 
+
+  static unsigned char buf[256]; 
+
+
+  if( cnvMode == cnvEbcdic )
+  {
+    return( ebcdicToLatin1 );
+  }
+  else if( cnvMode == cnvUsAscii )
+  {
+    memset( buf, 0, 256 );
+    for( unsigned int i=0; i<127; i++ ) { buf[i] = i; }
+    return( buf );
+  }
+  else if( cnvMode == cnvDefault )
+  {
+    for( unsigned int i=0; i<256; i++ ) { buf[i] = i; }
+    return( buf );
+  }
+  else
+  {
+    return( 0 );
+  }
+}
+
+
+void CConversion::setMode( EMode cnvMode )
+{
+  const unsigned char *table = tables( cnvMode );
+  if( table == 0 )
+  {
+    cnvMode = cnvDefault;
+    table = tables( cnvMode );
+  }  
+
+  mState.mode = cnvMode;
+  mState.name = names( mState.mode );
+  memcpy( mData, table, 256 );
+}
+
+
+bool CConversion::lossless( EMode cnvMode )
+{
+  const unsigned char *table = tables( cnvMode );
+  if( table == 0 )
+  {
+    return( false );
+  }
+
+  unsigned char flag[256];
+  memset( flag, 0, sizeof( flag ) );
+
+  for( uint i=0; i<256; i++ )
+  {
+    int index = table[i];
+    if( flag[index] != 0 )
+    {
+      return( false );
+    }
+    flag[index] += 1;
+  }
+  
+  return( true );
+}
+
+
+
+#if 0
+void CConversion::setMode( EMode cnvMode )
+{
+  /*
+  static unsigned char ebcdicToLatin1[256] = 
+  {
+    0x00, 0x01, 0x02, 0x03, 0x9C, 0x09, 0x86, 0x7F, 
+    0x97, 0x8D, 0x8E, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
+    0x10, 0x11, 0x12, 0x13, 0x9D, 0x85, 0x08, 0x87, 
+    0x18, 0x19, 0x92, 0x8F, 0x1C, 0x1D, 0x1E, 0x1F,
+    0x80, 0x81, 0x82, 0x83, 0x84, 0x0A, 0x17, 0x1B, 
+    0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x05, 0x06, 0x07,
+    0x90, 0x91, 0x16, 0x93, 0x94, 0x95, 0x96, 0x04, 
+    0x98, 0x99, 0x9A, 0x9B, 0x14, 0x15, 0x9E, 0x1A,
+    0x20, 0xA0, 0xE2, 0xE4, 0xE0, 0xE1, 0xE3, 0xE5, 
+    0xE7, 0xF1, 0xA2, 0x2E, 0x3C, 0x28, 0x2B, 0x7C,
+    0x26, 0xE9, 0xEA, 0xEB, 0xE8, 0xED, 0xEE, 0xEF, 
+    0xEC, 0xDF, 0x21, 0x24, 0x2A, 0x29, 0x3B, 0x5E,
+    0x2D, 0x2F, 0xC2, 0xC4, 0xC0, 0xC1, 0xC3, 0xC5, 
+    0xC7, 0xD1, 0xA6, 0x2C, 0x25, 0x5F, 0x3E, 0x3F,
+    0xF8, 0xC9, 0xCA, 0xCB, 0xC8, 0xCD, 0xCE, 0xCF, 
+    0xCC, 0x60, 0x3A, 0x23, 0x40, 0x27, 0x3D, 0x22,
+    0xD8, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 
+    0x68, 0x69, 0xAB, 0xBB, 0xF0, 0xFD, 0xFE, 0xB1,
+    0xB0, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 
+    0x71, 0x72, 0xAA, 0xBA, 0xE6, 0xB8, 0xC6, 0xA4,
+    0xB5, 0x7E, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 
+    0x79, 0x7A, 0xA1, 0xBF, 0xD0, 0x5B, 0xDE, 0xAE,
+    0xAC, 0xA3, 0xA5, 0xB7, 0xA9, 0xA7, 0xB6, 0xBC, 
+    0xBD, 0xBE, 0xDD, 0xA8, 0xAF, 0x5D, 0xB4, 0xD7,
+    0x7B, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 
+    0x48, 0x49, 0xAD, 0xF4, 0xF6, 0xF2, 0xF3, 0xF5,
+    0x7D, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50, 
+    0x51, 0x52, 0xB9, 0xFB, 0xFC, 0xF9, 0xFA, 0xFF,
+    0x5C, 0xF7, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 
+    0x59, 0x5A, 0xB2, 0xD4, 0xD6, 0xD2, 0xD3, 0xD5,
+    0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 
+    0x38, 0x39, 0xB3, 0xDB, 0xDC, 0xD9, 0xDA, 0x9F
+  };
+  */
+
+  static unsigned char ebcdicToLatin1[256] = 
+  {
+    0x00, 0x01, 0x02, 0x03, 0x9C, 0x09, 0x86, 0x7F, 
+    0x97, 0x8D, 0x8E, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 
+    0x10, 0x11, 0x12, 0x13, 0x9D, 0x85, 0x08, 0x87, 
+    0x18, 0x19, 0x92, 0x8F, 0x1C, 0x1D, 0x1E, 0x1F, 
+    0x80, 0x81, 0x82, 0x83, 0x84, 0x0A, 0x17, 0x1B, 
+    0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x05, 0x06, 0x07, 
+    0x90, 0x91, 0x16, 0x93, 0x94, 0x95, 0x96, 0x04, 
+    0x98, 0x99, 0x9A, 0x9B, 0x14, 0x15, 0x9E, 0x1A, 
+    0x20, 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 
+    0xA7, 0xA8, 0x5B, 0x2E, 0x3C, 0x28, 0x2B, 0x21, 
+    0x26, 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF, 
+    0xB0, 0xB1, 0x5D, 0x24, 0x2A, 0x29, 0x3B, 0x5E, 
+    0x2D, 0x2F, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 
+    0xB8, 0xB9, 0x7C, 0x2C, 0x25, 0x5F, 0x3E, 0x3F, 
+    0xBA, 0xBB, 0xBC, 0xBD, 0xBE, 0xBF, 0xC0, 0xC1, 
+    0xC2, 0x60, 0x3A, 0x23, 0x40, 0x27, 0x3D, 0x22, 
+    0xC3, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 
+    0x68, 0x69, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 
+    0xCA, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 
+    0x71, 0x72, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF, 0xD0, 
+    0xD1, 0x7E, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 
+    0x79, 0x7A, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 
+    0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF, 
+    0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 
+    0x7B, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 
+    0x48, 0x49, 0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 
+    0x7D, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50, 
+    0x51, 0x52, 0xEE, 0xEF, 0xF0, 0xF1, 0xF2, 0xF3, 
+    0x5C, 0x9F, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 
+    0x59, 0x5A, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 
+    0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 
+    0x38, 0x39, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF, 
+  }; 
+
+
+  if( cnvMode == cnvEbcdic )
+  {
+    memcpy( mData, ebcdicToLatin1, 256 );
+  }
+  else if( cnvMode == cnvUsAscii )
+  {
+    memset( mData, 0, 256 );
+    for( unsigned int i=0; i<127; i++ ) { mData[i] = i; }
+  }
+  else
+  {
+    for( unsigned int i=0; i<256; i++ ) { mData[i] = i; }
+    cnvMode = cnvDefault;
+  }
+
+  mState.mode = cnvMode;
+  mState.name = names( mState.mode );
+}
+#endif
+
+
+
+
+int CConversion::convert( QByteArray &buf, EMode newMode, CProgress &p )
+{
+  if( newMode == mode() )
+  {
+    p.finish();
+    return( Err_Success );
+  }
+
+  if( buf.isEmpty() )
+  {
+    p.finish();
+    setMode( newMode );
+    return( Err_Success );
+  }
+
+  //
+  // Make backup
+  //
+  const QByteArray tmp( buf.copy() );
+  if( tmp.isEmpty() )
+  {
+    p.finish();
+    return( Err_NoMemory );
+  }
+
+  unsigned char rev[256];
+  uint i, sum;
+
+  sum = 0;
+
+  const float total = buf.size() * 2.0;
+
+  //
+  // Prepare reverse buffer.
+  //
+  for( i=0; i < 256; i++ ) 
+  { 
+    rev[(unsigned char)mData[i]] = i; 
+  }
+
+  //
+  // Normalize
+  //
+  for( i=0; i<buf.size(); i++, sum++ ) 
+  {
+    buf[i] = rev[ (unsigned char)buf[i] ];
+
+    //
+    // The expired() function introduces too much overhead in this case
+    // so it is only executed every 100'th character
+    //
+    if( i % 100 == 0 && p.expired() == true )
+    {
+      const int errCode = p.step( (float)sum/ total );
+      if( errCode == Err_Stop )
+      {
+        buf = tmp;
+	p.finish();
+	return( Err_OperationAborted );
+      }
+    }
+  }
+
+  EMode origMode = mode();
+  setMode( newMode );
+
+  //
+  // Apply new encoding.
+  //
+  for( uint i=0; i<buf.size(); i++, sum++ )
+  {
+    buf[i] = mData[ (unsigned char)buf[i] ];
+
+    //
+    // The expired() function introduces too much overhead in this case
+    // so it is only executed every 100'th character
+    //
+    if( i % 100 == 0 && p.expired() == true )
+    {
+      const int errCode = p.step( (float)sum/ total );
+      if( errCode == Err_Stop )
+      {
+        buf = tmp;
+	setMode( origMode );
+	p.finish();
+	return( Err_OperationAborted );
+      }
+    }
+  }
+
+  p.finish();
+  return( Err_Success );
+}
+
+