--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianUtils/BasicTypes/SymBitUtils.cs	Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,172 @@
+/*
+* 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.Collections.Generic;
+using System.Text;
+
+namespace SymbianUtils.BasicTypes
+{
+    public static class SymBitUtils
+    {
+        #region API
+        public static uint CreateMask( string aBinary )
+        {
+            uint value;
+            return CreateMask( aBinary, out value );
+        }
+
+        public static uint CreateMask( string aBinary, out uint aExpectedValue )
+        {
+            uint mask = 0;
+            aExpectedValue = 0;
+
+            int bit = 0;
+            int count = aBinary.Length;
+            for ( int charIndex = count - 1; charIndex >= 0; charIndex-- )
+            {
+                // Get a character from the string
+                char c = Char.ToLower( aBinary[ charIndex ] );
+                //
+                if ( c == SymBitUtils.KBitIsSet )
+                {
+                    mask |= (uint) ( 1 << bit );
+                    aExpectedValue |= (uint) ( 1 << bit );
+                }
+                else if ( c == SymBitUtils.KBitIsClear )
+                {
+                    mask |= (uint) ( 1 << bit );
+                }
+                else if ( c == SymBitUtils.KBitIsNotApplicable1 || c == SymBitUtils.KBitIsNotApplicable2 )
+                {
+                }
+                //
+                if ( c != SymBitUtils.KBitIsReadabilitySpacer )
+                {
+                    ++bit;
+                }
+            }
+            //
+            return mask;
+        }
+
+        public static byte CreateMask( string aBinary, out byte aExpectedValue )
+        {
+            uint value;
+            uint ret = CreateMask( aBinary, out value );
+            //
+            if ( ret > 0xFF || value > 0xFF )
+            {
+                throw new ArgumentException( "Binary sequence is too large to fit byte" );
+            }
+            //
+            aExpectedValue = (byte) value;
+            return (byte) ret;
+        }
+
+        public static SymByte CreateMask( string aBinary, out SymByte aExpectedValue )
+        {
+            byte value = 0;
+            SymByte ret = CreateMask( aBinary, out value );
+            aExpectedValue = value;
+            return ret;
+        }
+
+        public static string GetBits( byte aByte )
+        {
+            string ret = System.Convert.ToString( aByte, 2 ).PadLeft( 8, KBitIsClear );
+            return ret;
+        }
+
+        public static uint StringToUint( string aText )
+        {
+            uint ret = 0;
+            //
+            int bit = 0;
+            int count = aText.Length;
+            for ( int charIndex = count - 1; charIndex >= 0; charIndex--, ++bit )
+            {
+                char c = char.ToLower( aText[ charIndex ] );
+                //
+                if ( c == KBitIsSet )
+                {
+                    uint mergeIn = (uint) ( 1 << bit );
+                    ret |= mergeIn;
+                }
+            }
+            //
+            return ret;
+        }
+
+        public static string BeautifyBits( uint aAddress, int aNumberOfKnownBits )
+        {
+            string binAddress = System.Convert.ToString( aAddress, 2 );
+            //
+            binAddress = binAddress.PadLeft( 32, '0' );
+            binAddress = binAddress.Substring( 32 - aNumberOfKnownBits, aNumberOfKnownBits );
+            binAddress = binAddress.PadLeft( 32, 'x' );
+            binAddress = BeautifyBits( binAddress );
+            //
+            return binAddress;
+        }
+
+        public static string BeautifyBits( string aBits )
+        {
+            StringBuilder ret = new StringBuilder( aBits.PadLeft( 32, 'x' ) );
+            ret.Insert( 24, ' ' );
+            ret.Insert( 16, ' ' );
+            ret.Insert( 08, ' ' );
+            return ret.ToString();
+        }
+        
+        public static uint RotateRight( uint aValue, int aCount )
+        {
+            uint ret = aValue;
+            //
+            for ( int i = 0; i < aCount; i++ )
+            {
+                bool bitZeroSet = ( ( ret & 0x1 ) == 0x1 );
+                ret >>= 1;
+                //
+                if ( bitZeroSet )
+                {
+                    // Wrap the bit around by appling it at the top end
+                    ret |= KTopBit;
+                }
+            }
+            //
+            return ret;
+        }
+
+        public static SymBit GetBit( uint aValue, int aBitNumber )
+        {
+            uint mask = 1u << aBitNumber;
+            uint value = aValue & mask;
+            SymBit ret = ( value != 0 ) ? SymBit.ESet : SymBit.EClear;
+            return ret;
+        }
+        #endregion
+
+        #region Internal constants
+        internal const char KBitIsSet = '1';
+        internal const char KBitIsClear = '0';
+        internal const char KBitIsNotApplicable1 = '#';
+        internal const char KBitIsNotApplicable2 = 'x';
+        internal const char KBitIsReadabilitySpacer = ' ';
+        private const uint KTopBit = 0x80000000;
+        #endregion
+    }
+}