--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianSymbolLib/Plugins/SLPluginSymbol/Data/SymbolFileSegment.cs	Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,185 @@
+/*
+* Copyright (c) 2004-2008 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.Collections.Generic;
+using System.Text;
+using System.Text.RegularExpressions;
+using SymbianStructuresLib.Debug.Symbols;
+using SymbianSymbolLib.SourceManagement.Source;
+using SymbianSymbolLib.SourceManagement.Provisioning;
+using SymbianUtils;
+using SymbianUtils.Tracer;
+using SymbianUtils.FileTypes;
+using SLPluginSymbol.Source;
+
+namespace SLPluginSymbol.Data
+{
+    internal class SymbolFileSegment : DisposableObject, IEnumerable<SymbolCollectionSegment>
+    {
+        #region Delegates & events
+        public delegate void CompletionHandler( SymbolFileSegment aSegment );
+        public event CompletionHandler Completed = null;
+        #endregion
+
+        #region Constructors
+        public SymbolFileSegment( SymbolFileData aData, int aOffset, int aLength )
+		{
+            iData = aData;
+            iOffset = aOffset;
+            iLength = aLength;
+		}
+        #endregion
+
+        #region API
+        public void PerformInitialCollectionIdentification()
+        {
+            SymbolCollectionSegment current = null;
+            //
+            long lineCount = 0;
+            //
+            using ( StreamReader reader = NewStream() )
+            {
+                string line = reader.ReadLine();
+                while ( line != null )
+                {
+                    ++lineCount;
+                    if ( line.StartsWith( "From    " ) )
+                    {
+                        string hostFileName = line.Substring( 4 ).Trim();
+                        UpdateLineCount( current );
+                        current = NewCollectionSegment( hostFileName );
+                    }
+                    else if ( current != null && line != string.Empty )
+                    {
+                        current.AddLine( line );
+                    }
+
+                    line = reader.ReadLine();
+                }
+            }
+
+            UpdateLineCount( current );
+            iIsReady = true;
+
+            if ( Completed != null )
+            {
+                Completed( this );
+            }
+        }
+        #endregion
+
+        #region Properties
+        public bool IsReady
+        {
+            get { return iIsReady; }
+        }
+
+        public long NumberOfLines
+        {
+            get { return iNumberOfLines; }
+        }
+
+        public int Count
+        {
+            get { return iCollectionSegments.Count; }
+        }
+
+        public SymbolCollectionSegment this[ int aIndex ]
+        {
+            get { return iCollectionSegments[ aIndex ]; }
+        }
+
+        public SymbolSource Source
+        {
+            get { return iData.Source; }
+        }
+        #endregion
+
+        #region Internal constants
+        #endregion
+
+        #region Internal methods
+        private void UpdateLineCount( SymbolCollectionSegment aFinalisedSegment )
+        {
+            if ( aFinalisedSegment != null )
+            {
+                iNumberOfLines += aFinalisedSegment.Count;
+            }
+        }
+
+        private SymbolCollectionSegment NewCollectionSegment( string aFileNameInHost )
+        {
+            SymbolCollectionSegment ret = new SymbolCollectionSegment( iData.Source.Provider.IdAllocator, aFileNameInHost );
+            iCollectionSegments.Add( ret );
+            return ret;
+        }
+
+        private StreamReader NewStream()
+        {
+            return new StreamReader( new MemoryStream( iData, iOffset, iLength ) );
+        }
+        #endregion
+
+        #region From IEnumerable<SymbolCollectionSegment>
+        public IEnumerator<SymbolCollectionSegment> GetEnumerator()
+        {
+            foreach ( SymbolCollectionSegment segment in iCollectionSegments )
+            {
+                yield return segment;
+            }
+        }
+
+        System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
+        {
+            foreach ( SymbolCollectionSegment segment in iCollectionSegments )
+            {
+                yield return segment;
+            }
+        }
+        #endregion
+
+        #region From DisposableObject
+        protected override void CleanupManagedResources()
+        {
+            try
+            {
+                base.CleanupManagedResources();
+            }
+            finally
+            {
+                foreach ( SymbolCollectionSegment segment in iCollectionSegments )
+                {
+                    segment.Dispose();
+                }
+                iCollectionSegments.Clear();
+                iCollectionSegments = null;
+            }
+        }
+        #endregion
+
+        #region Data members
+        private readonly SymbolFileData iData;
+        private readonly int iOffset;
+        private readonly int iLength;
+        private bool iIsReady = false;
+        private long iNumberOfLines = 0;
+        private List<SymbolCollectionSegment> iCollectionSegments = new List<SymbolCollectionSegment>();
+        #endregion
+    }
+}