diff -r 000000000000 -r 818e61de6cd1 crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianCodeLib/SourceManagement/Source/CodeSourceCollection.cs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianCodeLib/SourceManagement/Source/CodeSourceCollection.cs	Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,213 @@
+/*
+* Copyright (c) 2004-2005 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.IO;
+using System.Text;
+using System.Threading;
+using System.Collections.Generic;
+using SymbianUtils;
+using SymbianUtils.Range;
+using SymbianUtils.Collections;
+
+namespace SymbianCodeLib.SourceManagement.Source
+{
+    public class CodeSourceCollection : DisposableObject, IEnumerable<CodeSource>
+    {
+        #region Constructors
+        public CodeSourceCollection()
+        {
+        }
+
+        public CodeSourceCollection( CodeSource aSource )
+        {
+            Add( aSource );
+        }
+        #endregion
+
+        #region API
+        public void Clear()
+        {
+            lock ( iSources )
+            {
+                IList<CodeSource> list = iSources.Values;
+                int count = list.Count;
+                for ( int i = count - 1; i >= 0; i-- )
+                {
+                    CodeSource source = list[ i ];
+                    Remove( source );
+                }
+            }
+        }
+
+        public bool Add( CodeSource aSource )
+        {
+            bool added = false;
+            //
+            lock ( iSources )
+            {
+                if ( Contains( aSource ) == false )
+                {
+                    string uri = aSource.URI;
+                    iSources.Add( uri, aSource );
+                    added = true;
+                }
+                else
+                {
+                    System.Diagnostics.Debug.WriteLine( "**** WARNING **** discarding duplicate source: " + aSource );
+                }
+            }
+            //
+            if ( added )
+            {
+                OnAdded( aSource );
+            }
+            //
+            return added;
+        }
+
+        public void AddRange( IEnumerable<CodeSource> aSources )
+        {
+            foreach ( CodeSource source in aSources )
+            {
+                Add( source );
+            }
+        }
+
+        public bool Remove( CodeSource aSource )
+        {
+            bool ret = false;
+            CodeSource source = null;
+            //
+            lock( iSources )
+            {
+                string uri = aSource.URI;
+                //
+                if ( iSources.TryGetValue( uri, out source ) )
+                {
+                    ret = iSources.Remove( uri );
+                }
+            }
+
+            // Notify outside of the lock
+            if ( source != null )
+            {
+                OnRemoved( source );
+            }
+            //
+            return ret;
+        }
+
+        public bool Contains( string aURI )
+        {
+            lock ( iSources )
+            {
+                return iSources.ContainsKey( aURI );
+            }
+        }
+
+        public bool Contains( CodeSource aSource )
+        {
+            return Contains( aSource.URI );
+        }
+        #endregion
+
+        #region Properties
+        public int Count
+        {
+            get
+            {
+                lock ( iSources )
+                {
+                    return iSources.Count;
+                }
+            }
+        }
+
+        public bool IsEmpty
+        {
+            get { return Count == 0; } 
+        }
+
+        public CodeSource this[ int aIndex ]
+        {
+            get
+            {
+                lock ( iSources )
+                {
+                    string key = iSources.Keys[ aIndex ];
+                    return iSources[ key ];
+                }
+            }
+        }
+        #endregion
+
+        #region From IEnumerable<CodeSource>
+        public IEnumerator<CodeSource> GetEnumerator()
+        {
+            foreach ( KeyValuePair<string, CodeSource> kvp in iSources )
+            {
+                yield return kvp.Value;
+            }
+        }
+
+        System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
+        {
+            foreach ( KeyValuePair<string, CodeSource> kvp in iSources )
+            {
+                yield return kvp.Value;
+            }
+        }
+        #endregion
+
+        #region From DisposableObject
+        protected override void CleanupManagedResources()
+        {
+            try
+            {
+                base.CleanupManagedResources();
+            }
+            finally
+            {
+                foreach ( KeyValuePair<string, CodeSource> kvp in iSources )
+                {
+                    CodeSource source = kvp.Value;
+                    source.Dispose();
+                }
+
+                Clear();
+            }
+        }
+        #endregion
+
+        #region Internal methods
+        protected virtual void OnAdded( CodeSource aSource )
+        {
+            aSource.AddedToCollection( this );
+        }
+    
+        protected virtual void OnRemoved( CodeSource aSource )
+        {
+            aSource.RemovedFromCollection( this );
+        }
+        #endregion
+
+        #region Data members
+        private SortedList<string, CodeSource> iSources = new SortedList<string, CodeSource>();
+        #endregion
+    }
+}
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