--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianUtils/XRef/XRefEngine.cs	Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,74 @@
+/*
+* 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.XRef
+{
+    public class XRefEngine
+    {
+        #region Constructors
+        public XRefEngine()
+        {
+        }
+        #endregion
+
+        #region API
+        public bool Contains( XRefIdentifer aIdentifier )
+        {
+            bool ret = false;
+            //
+            foreach ( XRefIdentifer identifier in iIdentifiers )
+            {
+                if ( identifier.Identifier == aIdentifier.Identifier )
+                {
+                    ret = true;
+                    break;
+                }
+            }
+            //
+            return ret;
+        }
+
+        public void ParseIdentifiers( string aText )
+        {
+            XRefIdentiferExtractor extractor = new XRefIdentiferExtractor( aText );
+
+            // Add items, checking for dupes
+            foreach ( XRefIdentifer identifier in extractor.Identifiers )
+            {
+                if ( !Contains( identifier ) )
+                {
+                    iIdentifiers.Add( identifier );
+                }
+            }
+        }
+        #endregion
+
+        #region Properties
+        public List<XRefIdentifer> Identifiers
+        {
+            get { return iIdentifiers; }
+        }
+        #endregion
+
+        #region Data members
+        private readonly List<XRefIdentifer> iIdentifiers = new List<XRefIdentifer>();
+        #endregion
+    }
+}