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, 329 insertions, 0 deletions

diff --git a/khexedit/hexvalidator.cc b/khexedit/hexvalidator.cc
new file mode 100644
index 0000000..e8c1731
--- /dev/null
+++ b/khexedit/hexvalidator.cc
@@ -0,0 +1,329 @@
+/*
+ *   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 <ctype.h>
+#include <stdio.h>
+#include <qwidget.h>
+#include "hexvalidator.h"
+
+CHexValidator::CHexValidator( QWidget *parent, EState state,
+			      const char *name )
+  :QValidator( parent, name )
+{
+  setState( state );
+}
+
+CHexValidator::~CHexValidator( void )
+{
+}
+
+QValidator::State CHexValidator::validate( QString &string, int &/*pos*/ ) const
+{
+  if( mState == hexadecimal )
+  {
+    for( uint i=0; i < string.length(); i++ )
+    {
+      int val = string[i].latin1();
+      if( isxdigit( val ) == 0 && isspace( val ) == 0 )
+      {
+	return( QValidator::Invalid );
+      }
+    }
+    return( QValidator::Valid );
+  }
+  if( mState == decimal )
+  {
+    for( uint i=0; i < string.length(); i++ )
+    {
+      int val = string[i].latin1();
+      if( isdigit( val ) == 0 && isspace( val ) == 0 )
+      {
+	return( QValidator::Invalid );
+      }
+    }
+    return( QValidator::Valid );
+  }
+  else if( mState == octal )
+  {
+    for( uint i=0; i < string.length(); i++ )
+    {
+      int val = string[i].latin1();
+      if( (isdigit( val ) == 0 || val == '8' || val == '9') &&
+	  isspace( val ) == 0 )
+      {
+	return( QValidator::Invalid );
+      }
+    }
+    return( QValidator::Valid );
+  }
+  else if( mState == binary )
+  {
+    for( uint i=0; i < string.length(); i++ )
+    {
+      int val = string[i].latin1();
+      if( val != '0' && val != '1' && isspace( val ) == 0 )
+      {
+	return( QValidator::Invalid );
+      }
+    }
+    return( QValidator::Valid );
+  }
+  else if( mState == regularText )
+  {
+    return( QValidator::Valid );
+  }
+  else
+  {
+    return( QValidator::Invalid );
+  }
+
+}
+
+
+void CHexValidator::setState( EState state )
+{
+  mState = state;
+}
+
+
+void CHexValidator::convert( QByteArray &dest, const QString &src )
+{
+  uint value;
+  uint k=0;
+
+  if( mState == hexadecimal )
+  {
+    dest.resize(0);
+
+    char buf[3];
+    for( uint i=0; i < src.length(); i++ )
+    {
+      int val = src[i].latin1();
+      if( isxdigit(val) )
+      {
+	buf[k++] = val;
+	if( k == 2 )
+	{
+	  buf[k] = 0;
+	  sscanf( buf, "%X", &value );
+
+	  dest.resize( dest.size()+1 );
+	  dest[ dest.size()-1 ] = value;
+	  k = 0;
+	}
+      }
+    }
+
+    if( k == 1 )
+    {
+      buf[1] = buf[0];
+      buf[0] = '0';
+      buf[2] = 0;
+      sscanf( buf, "%X", &value );
+
+      dest.resize( dest.size()+1 );
+      dest[ dest.size()-1 ] = value;
+    }
+
+  }
+  else if( mState == decimal )
+  {
+    dest.resize(0);
+
+    char buf[4];
+    for( uint i=0; i < src.length(); i++ )
+    {
+      int val = src[i].latin1();
+      if( isdigit(val) )
+      {
+	buf[k++] = val;
+	if( k == 3 )
+	{
+	  buf[k] = 0;
+	  sscanf( buf, "%u", &value );
+
+	  dest.resize( dest.size()+1 );
+	  dest[ dest.size()-1 ] = value;
+	  k = 0;
+	}
+      }
+    }
+
+    if( k == 1 || k == 2 )
+    {
+      if( k == 1 )
+      {
+	buf[2] = buf[0];
+	buf[0] = buf[1] = '0';
+      }
+      else
+      {
+	buf[2] = buf[1];
+	buf[1] = buf[0];
+	buf[0] = '0';
+      }
+      buf[3] = 0;
+      sscanf( buf, "%u", &value );
+
+      dest.resize( dest.size()+1 );
+      dest[ dest.size()-1 ] = value;
+    }
+  }
+
+  else if( mState == octal )
+  {
+    dest.resize(0);
+
+    char buf[4];
+    for( uint i=0; i < src.length(); i++ )
+    {
+      int val = src[i].latin1();
+      if( isdigit(val) )
+      {
+	buf[k++] = val;
+	if( k == 3 )
+	{
+	  if( buf[0] > '3' ) { buf[0] = '3'; }
+	  buf[k] = 0;
+	  sscanf( buf, "%o", &value );
+
+	  dest.resize( dest.size()+1 );
+	  dest[ dest.size()-1 ] = value;
+	  k = 0;
+	}
+      }
+    }
+
+    if( k == 1 || k == 2 )
+    {
+      if( k == 1 )
+      {
+	buf[2] = buf[0];
+	buf[0] = buf[1] = '0';
+      }
+      else
+      {
+	buf[2] = buf[1];
+	buf[1] = buf[0];
+	buf[0] = '0';
+      }
+      buf[3] = 0;
+      sscanf( buf, "%o", &value );
+
+      dest.resize( dest.size()+1 );
+      dest[ dest.size()-1 ] = value;
+    }
+  }
+  else if( mState == binary )
+  {
+    dest.resize(0);
+
+    char buf[9];
+    for( uint i=0; i < src.length(); i++ )
+    {
+      int val = src[i].latin1();
+      if( isdigit(val) )
+      {
+	buf[k++] = val;
+	if( k == 8 )
+	{
+	  value = 0;
+	  for( uint j=0; j < 8; j++ )
+	  {
+	    value |= (buf[8-j-1] == '1') ? 1<<j : 0;
+	  }
+
+	  dest.resize( dest.size()+1 );
+	  dest[ dest.size()-1 ] = value;
+	  k = 0;
+	}
+      }
+    }
+
+    if( k > 0 )
+    {
+      value = 0;
+      for( uint j=0; j < k; j++ )
+      {
+	value |= (buf[k-j-1] == '1') ? 1<<j : 0;
+      }
+
+      dest.resize( dest.size()+1 );
+      dest[ dest.size()-1 ] = value;
+    }
+  }
+  else if( mState == regularText )
+  {
+    dest.resize(src.length());
+    for( uint i=0; i < src.length(); i++ )
+    {
+      dest[i] = src[i].latin1();
+    }
+
+  }
+  else
+  {
+    dest.resize(0);
+  }
+}
+
+
+
+void CHexValidator::format( QString &dest, const QByteArray &src )
+{
+  for( uint i=0; i<src.size(); ++i )
+  {
+    unsigned char srcCh = (unsigned char)src[i];
+    QString formattedCh;
+
+    switch( mState )
+    {
+      case hexadecimal:
+        formattedCh = zeroExtend( QString::number( srcCh, 16 ), 2 );
+        break;
+      case decimal:
+        formattedCh = zeroExtend( QString::number( srcCh, 10), 3 );
+        break;
+      case octal:
+        formattedCh = zeroExtend( QString::number( srcCh, 8), 3 );
+        break;
+      case binary:
+        formattedCh = zeroExtend( QString::number( srcCh, 2), 8 );
+        break;
+      case regularText:
+        formattedCh = QString( QChar( srcCh ) );
+        break;
+    }
+
+    dest += formattedCh + " ";
+  }
+}
+
+
+QString CHexValidator::zeroExtend( const QString &src, unsigned destLen) const
+{
+  if( src.length() >= destLen )
+    return src;
+
+  QString zeroes;
+  zeroes.fill( '0', destLen - src.length() );
+  return zeroes + src;
+}
+#include "hexvalidator.moc"