--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/Libraries/Engine/CrashItemLib/Crash/Registers/Visualization/Utilities/VisUtilities.cs	Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,214 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+* 
+* Description:
+*
+*/
+using System;
+using System.Text;
+using System.Collections.Generic;
+using CrashItemLib.Crash;
+using CrashItemLib.Crash.Base;
+using CrashItemLib.Crash.Container;
+using CrashItemLib.Crash.Registers;
+using CrashItemLib.Crash.Registers.Visualization.Bits;
+
+namespace CrashItemLib.Crash.Registers.Visualization.Utilities
+{
+    public static class VisUtilities
+    {
+        public static IEnumerable<CIRegisterVisBit> ExtractBits( CIContainer aContainer, uint aValue, string aByte3Mask, string aByte2Mask, string aByte1Mask, string aByte0Mask )
+        {
+            return ExtractBits( aContainer, aValue, aByte3Mask + aByte2Mask + aByte1Mask + aByte0Mask );
+        }
+
+        public static IEnumerable<CIRegisterVisBit> ExtractBits( CIContainer aContainer, uint aValue, string aMask )
+        {
+            List<CIRegisterVisBit> ret = new List<CIRegisterVisBit>();
+            //
+            int shift = 0;
+            int sigBitCount = 0;
+            uint mask = MakeMask( aMask, out shift, out sigBitCount );
+            uint maskedValue = ( aValue & mask ) >> shift;
+
+            // Now make bits
+            for ( int i = sigBitCount-1; i >= 0; i-- )
+            {
+                mask = (uint) ( 1u << i );
+                uint value = ( maskedValue & mask ) >> i;
+
+                CIRegisterVisBit bit = new CIRegisterVisBit( aContainer );
+                if ( value != 0 )
+                {
+                    bit.Value = TBit.EBitSet;
+                }
+                ret.Add( bit );
+            }
+
+            return ret.ToArray();
+        }
+
+        public static TBit ExtractBit( uint aValue, string aByte1Mask, string aByte0Mask )
+        {
+            string b0 = EnsureByteMask( aByte0Mask );
+            string b1 = EnsureByteMask( aByte1Mask );
+            //
+            int shift;
+            uint mask = MakeMask( b1 + b0, out shift );
+            //
+            uint value = aValue & mask;
+            value >>= shift;
+            //
+            if ( value == 1 )
+            {
+                return TBit.EBitSet;
+            }
+
+            return TBit.EBitClear;
+        }
+
+        public static TBit ExtractBit( uint aValue, string aByte3Mask, string aByte2Mask, string aByte1Mask, string aByte0Mask )
+        {
+            string b0 = EnsureByteMask( aByte0Mask );
+            string b1 = EnsureByteMask( aByte1Mask );
+            string b2 = EnsureByteMask( aByte2Mask );
+            string b3 = EnsureByteMask( aByte3Mask );
+            //
+            int shift;
+            uint mask = MakeMask( b3 + b2 + b1 + b0, out shift );
+            //
+            uint value = aValue & mask;
+            value >>= shift;
+            //
+            if ( value == 1 )
+            {
+                return TBit.EBitSet;
+            }
+
+            return TBit.EBitClear;
+        }
+
+        // [ aByte0 ] 
+        public static uint MakeMask( string aByte )
+        {
+            return MakeMask( string.Empty, string.Empty, string.Empty, aByte );
+        }
+
+        // [ aByte1 ] [ aByte0 ] 
+        public static uint MakeMask( string aByte1, string aByte0 )
+        {
+            return MakeMask( string.Empty, string.Empty, aByte1, aByte0 );
+        }
+
+        // [ aByte3 ] [ aByte2 ] [ aByte1 ] [ aByte0 ] 
+        public static uint MakeMask( string aByte3, string aByte2, string aByte1, string aByte0 )
+        {
+            int shift = 0;
+            return MakeMask( aByte3, aByte2, aByte1, aByte0, out shift );
+        }
+
+        public static uint MakeMask( string aByte3, string aByte2, string aByte1, string aByte0, out int aShiftAmount )
+        {
+            string byteString3 = EnsureByteMask( aByte3 );
+            string byteString2 = EnsureByteMask( aByte2 );
+            string byteString1 = EnsureByteMask( aByte1 );
+            string byteString0 = EnsureByteMask( aByte0 );
+            string byteString = byteString3 + byteString2 + byteString1 + byteString0;
+            //
+            uint mask = MakeMask( byteString, out aShiftAmount );
+            //
+            return mask;
+        }
+
+        public static uint MakeMask( string aSpec, out int aShiftAmount )
+        {
+            int sigBitCount = 0;
+            return MakeMask( aSpec, out aShiftAmount, out sigBitCount );
+        }
+
+        public static uint MakeMask( string aSpec, out int aShiftAmount, out int aSignificantBitCount )
+        {
+            bool setFirstBitIndex = false;
+            aShiftAmount = 0;
+            aSignificantBitCount = 0;
+            uint mask = 0;
+
+            // Loop through all characters in the mask, starting from the RHS, working
+            // towards the left hand side.
+            int count = aSpec.Length;
+            for ( int bit = 0; bit < count; bit++ )
+            {
+                // Get a character from the string, starting at the RHS
+                char c = aSpec[ count - bit - 1 ];
+                //
+                if ( c == KBitIsSet )
+                {
+                    mask |= (uint) ( 1u << bit );
+                    if ( !setFirstBitIndex )
+                    {
+                        aShiftAmount = bit;
+                        setFirstBitIndex = true;
+                    }
+                    ++aSignificantBitCount;
+                }
+                else if ( c == KBitIsClear )
+                {
+                    if ( !setFirstBitIndex )
+                    {
+                        aShiftAmount = bit;
+                        setFirstBitIndex = true;
+                    }
+                    ++aSignificantBitCount;
+                }
+                else if ( c == KBitIsNotApplicable )
+                {
+                }
+            }
+            //
+            return mask;
+        }
+
+        public static string EnsureByteMask( string aMask )
+        {
+            string ret = aMask.PadLeft( 8, '0' );
+            return ret;
+        }
+
+        public static string ToBinary( uint aValue )
+        {
+            StringBuilder ret = new StringBuilder();
+            //
+            for ( int i = 31; i >= 0; i-- )
+            {
+                uint mask = (uint) ( 1u << i );
+                uint value = ( aValue & mask ) >> i;
+                if ( value != 0 )
+                {
+                    ret.Append( '1' );
+                }
+                else
+                {
+                    ret.Append( '0' );
+                }
+            }
+            //
+            return ret.ToString();
+        }
+
+        #region Constants
+        public const char KBitIsSet = '1';
+        public const char KBitIsClear = '0';
+        public const char KBitIsNotApplicable = '#';
+        #endregion
+    }
+}