--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbolLib/CodeSeg/CodeSegDefinitionCollectionComparers.cs	Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,135 @@
+/*
+* 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;
+
+namespace SymbolLib.CodeSegDef
+{
+	internal class CodeSegDefinitionCollectionCompareByFileName : IComparer<CodeSegDefinition>
+	{
+		#region IComparer Members
+		public int Compare( object aLeft, object aRight )
+		{
+            int ret = -1;
+            //
+            if ( aLeft == null || aRight == null )
+            {
+                if ( aRight == null )
+                {
+                    ret = 1;
+                }
+            }
+            else
+            {
+                CodeSegDefinition left = (CodeSegDefinition) aLeft;
+                CodeSegDefinition right = (CodeSegDefinition) aRight;
+                //
+                ret = Compare( left, right );
+            }
+            //
+            return ret;
+		}
+		#endregion
+
+        #region IComparer<CodeSegDefinition> Members
+        int IComparer<CodeSegDefinition>.Compare( CodeSegDefinition aLeft, CodeSegDefinition aRight )
+        {
+            int ret = -1;
+            //
+            if ( aLeft == null || aRight == null )
+            {
+                if ( aRight == null )
+                {
+                    ret = 1;
+                }
+            }
+            else
+            {
+                ret = string.Compare( aLeft.ImageFileNameAndPath, aRight.ImageFileNameAndPath, true );
+            }
+            //
+            return ret;
+        }
+        #endregion
+    }
+
+    internal class CodeSegDefinitionCollectionCompareByAddress : IComparer<CodeSegDefinition>
+	{
+        #region IComparer Members
+        public int Compare( object aLeft, object aRight )
+        {
+            int ret = -1;
+            //
+            if ( aLeft == null || aRight == null )
+            {
+                if ( aRight == null )
+                {
+                    ret = 1;
+                }
+            }
+            else
+            {
+                CodeSegDefinition left = (CodeSegDefinition) aLeft;
+                CodeSegDefinition right = (CodeSegDefinition) aRight;
+                //
+                ret = Compare( left, right );
+            }
+            //
+            return ret;
+        }
+        #endregion
+
+        #region IComparer Members
+        int IComparer<CodeSegDefinition>.Compare( CodeSegDefinition aLeft, CodeSegDefinition aRight )
+        {
+			int ret = -1;
+            if ( aLeft.AddressStart == aRight.AddressStart && aLeft.AddressEnd == aRight.AddressEnd )
+			{
+				ret = 0;
+			}
+            else if ( aLeft.AddressEnd == aRight.AddressStart )
+			{
+                System.Diagnostics.Debug.Assert( aLeft.AddressStart < aRight.AddressStart );
+                System.Diagnostics.Debug.Assert( aRight.AddressEnd >= aLeft.AddressEnd );
+				//
+				ret = -1;
+			}
+            else if ( aLeft.AddressStart == aRight.AddressEnd )
+			{
+                System.Diagnostics.Debug.Assert( aRight.AddressStart < aLeft.AddressStart );
+                System.Diagnostics.Debug.Assert( aLeft.AddressEnd >= aRight.AddressEnd );
+				//
+				ret = 1;
+			}
+            else if ( aLeft.AddressStart > aRight.AddressEnd )
+			{
+                System.Diagnostics.Debug.Assert( aLeft.AddressEnd > aRight.AddressEnd );
+                System.Diagnostics.Debug.Assert( aLeft.AddressEnd > aRight.AddressStart );
+				ret = 1;
+			}
+            else if ( aLeft.AddressEnd < aRight.AddressStart )
+			{
+                System.Diagnostics.Debug.Assert( aLeft.AddressStart < aRight.AddressEnd );
+                System.Diagnostics.Debug.Assert( aRight.AddressEnd > aLeft.AddressEnd );
+				ret = -1;
+			}
+			//
+			return ret;
+		}
+		#endregion
+    }
+}