--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianSymbolLib/Plugins/SLPluginSymbol/Reader/SymbolFileReader.cs	Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,151 @@
+/*
+* 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.ComponentModel;
+using SymbianUtils;
+using SymbianUtils.Tracer;
+using SymbianUtils.Threading;
+using SymbianUtils.FileTypes;
+using SymbianUtils.TextUtilities.Readers.Types.Array;
+using SymbianStructuresLib.Debug.Symbols;
+using SymbianSymbolLib.SourceManagement.Source;
+using SymbianSymbolLib.SourceManagement.Provisioning;
+using SLPluginSymbol.Data;
+using SLPluginSymbol.Source;
+
+namespace SLPluginSymbol.Reader
+{
+    internal class SymbolFileReader : MultiThreadedProcessor<SymbolFileSegment>
+	{
+        #region Constructors
+        public SymbolFileReader( SymbolSource aSource, SymbolFileData aData )
+            : base( aData, System.Threading.ThreadPriority.Lowest )
+		{
+            iSource = aSource;
+            iData = aData;
+            
+            // Count the total number of lines - this enables us to report progress
+            foreach ( SymbolFileSegment segment in iData )
+            {
+                iTotalNumberOfLines += segment.NumberOfLines;
+            }
+        }
+		#endregion
+
+        #region API
+        public void Read( TSynchronicity aSynchronicity )
+        {
+            base.Start( aSynchronicity );
+        }
+        #endregion
+
+        #region Properties
+		#endregion
+
+        #region Event handlers
+        private void SymbolFileSegmentReader_Progress( SymbolFileSegmentReader aReader, long aTotalNumberOfLines, long aChunkSizeProcessed )
+        {
+            bool report = false;
+            int progress = 0;
+            //
+            lock ( iSyncRoot )
+            {
+                iProgressSoFar += aChunkSizeProcessed;
+                //
+                float progressF = (float) iProgressSoFar / (float) iTotalNumberOfLines;
+                progress = (int) ( progressF * 100.0f );
+                //
+                if ( iProgressLastReported != progress )
+                {
+                    iProgressLastReported = progress;
+                    report = true;
+                }
+                //
+                if ( report )
+                {
+                    System.Diagnostics.Debug.WriteLine( "SymbolFileReader - progress: " + progress );
+                    iSource.ReportEvent( SymSource.TEvent.EReadingProgress, progress );
+                }
+            }
+        }
+        #endregion
+
+        #region Internal methods
+        #endregion
+
+        #region From MultiThreadedProcessor
+        protected override void OnEvent( MultiThreadedProcessor<SymbolFileSegment>.TEvent aEvent )
+        {
+            base.OnEvent( aEvent );
+            //
+            switch ( aEvent )
+            {
+            case MultiThreadedProcessor<SymbolFileSegment>.TEvent.EEventStarting:
+                iSource.ReportEvent( SymSource.TEvent.EReadingStarted );
+                break;
+            case MultiThreadedProcessor<SymbolFileSegment>.TEvent.EEventCompleted:
+                iSource.ReportEvent( SymSource.TEvent.EReadingComplete );
+                this.Dispose();
+                System.Diagnostics.Debug.WriteLine( string.Format( "[Symbol Memory] END   -> {0:d12}, source: {1}", System.GC.GetTotalMemory( true ), iSource.FileName ) );
+                break;
+            default:
+                break;
+            }
+        }
+
+        protected override bool Process( SymbolFileSegment aItem )
+        {
+            SymbolFileSegmentReader reader = new SymbolFileSegmentReader( aItem );
+            reader.Progress += new SymbolFileSegmentReader.ProgressHandler( SymbolFileSegmentReader_Progress );
+            reader.Read( TSynchronicity.ESynchronous );
+            return true;
+        }
+        #endregion
+
+        #region From DisposableObject
+        protected override void CleanupManagedResources()
+        {
+            try
+            {
+                base.CleanupManagedResources();
+            }
+            finally
+            {
+                iData.Dispose();
+                
+                // Since we've just flushed a large portion of file data (symbol files are BIG)
+                // ensure that disposed objects are released in order to reduce memory footprint.
+                GC.Collect();
+                GC.WaitForPendingFinalizers();
+            }
+        }
+        #endregion
+
+        #region Data members
+        private readonly SymbolSource iSource;
+        private readonly SymbolFileData iData;
+        private readonly long iTotalNumberOfLines;
+        private long iProgressSoFar = 0;
+        private object iSyncRoot = new object();
+        private int iProgressLastReported = -1;
+        #endregion
+	}
+}