--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianStructuresLib/CodeSegments/Internal/Comparers.cs	Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,94 @@
+/*
+* 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 the License "Symbian Foundation License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.symbianfoundation.org/legal/sfl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+* 
+* Description:
+*
+*/
+using System;
+using System.Collections;
+using System.Collections.Generic;
+
+namespace SymbianStructuresLib.CodeSegments.Internal
+{
+	internal class CSDCompareByFileName : IComparer<CodeSegDefinition>
+	{
+		#region IComparer Members
+		public int Compare( object aLeft, object aRight )
+		{
+			CodeSegDefinition left = (CodeSegDefinition) aLeft;
+			CodeSegDefinition right = (CodeSegDefinition) aRight;
+			//
+            return Compare( left, right );
+		}
+		#endregion
+
+        #region From IComparer<CodeSegDefinition>
+        int IComparer<CodeSegDefinition>.Compare( CodeSegDefinition aLeft, CodeSegDefinition aRight )
+        {
+            return string.Compare( aLeft.FileName, aRight.FileName, StringComparison.CurrentCultureIgnoreCase );
+        }
+        #endregion
+    }
+
+    internal class CSDCompareByAddress : IComparer<CodeSegDefinition>
+	{
+        #region IComparer Members
+        public int Compare( object aLeft, object aRight )
+        {
+            CodeSegDefinition left = (CodeSegDefinition) aLeft;
+            CodeSegDefinition right = (CodeSegDefinition) aRight;
+            //
+            return Compare( left, right );
+        }
+        #endregion
+
+        #region IComparer Members
+        int IComparer<CodeSegDefinition>.Compare( CodeSegDefinition aLeft, CodeSegDefinition aRight )
+        {
+			int ret = -1;
+            if ( aLeft.Base == aRight.Base && aLeft.Limit == aRight.Limit )
+			{
+				ret = 0;
+			}
+            else if ( aLeft.Limit == aRight.Base )
+			{
+                System.Diagnostics.Debug.Assert( aLeft.Base < aRight.Base );
+                System.Diagnostics.Debug.Assert( aRight.Limit >= aLeft.Limit );
+				//
+				ret = -1;
+			}
+            else if ( aLeft.Base == aRight.Limit )
+			{
+                System.Diagnostics.Debug.Assert( aRight.Base < aLeft.Base );
+                System.Diagnostics.Debug.Assert( aLeft.Limit >= aRight.Limit );
+				//
+				ret = 1;
+			}
+            else if ( aLeft.Base > aRight.Limit )
+			{
+                System.Diagnostics.Debug.Assert( aLeft.Limit > aRight.Limit );
+                System.Diagnostics.Debug.Assert( aLeft.Limit > aRight.Base );
+				ret = 1;
+			}
+            else if ( aLeft.Limit < aRight.Base )
+			{
+                System.Diagnostics.Debug.Assert( aLeft.Base < aRight.Limit );
+                System.Diagnostics.Debug.Assert( aRight.Limit > aLeft.Limit );
+				ret = -1;
+			}
+			//
+			return ret;
+		}
+		#endregion
+    }
+}