--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianUtils/TextUtilities/Readers/Types/Text/AsyncTextReader.cs	Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,130 @@
+/*
+* 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.IO;
+using System.Text;
+using System.Threading;
+using System.Collections;
+using SymbianUtils.Tracer;
+
+namespace SymbianUtils
+{
+	public abstract class AsyncTextReader : AsyncTextReaderBase
+	{
+		#region Constructors
+		protected AsyncTextReader()
+            : this( new AsyncTextReaderPrefix() )
+        {
+		}
+
+        protected AsyncTextReader( ITracer aTracer )
+		:   this( new AsyncTextReaderPrefix(), aTracer )
+		{
+		}
+
+        protected AsyncTextReader( AsyncTextReaderPrefix aPrefixes )
+		:	this( aPrefixes, null )
+		{
+		}
+   
+        protected AsyncTextReader( AsyncTextReaderPrefix aPrefixes, ITracer aTracer )
+            : this( aPrefixes, false, aTracer )
+        {
+        }
+
+        protected AsyncTextReader( AsyncTextReaderPrefix aPrefixes, bool aRouteBlankLines, ITracer aTracer )
+            : base( aTracer )
+		{
+			iPrefixes = aPrefixes;
+			iRouteBlankLines = aRouteBlankLines;
+		}
+		#endregion
+
+		#region API
+		public void AddFilter( AsyncTextReaderFilter aFilter )
+		{
+			iFilters.Add( aFilter );
+		}
+		#endregion
+
+		#region Properties
+		public AsyncTextReaderPrefix PrefixDefinition
+		{
+			get { return iPrefixes; }
+		}
+
+		public AsyncTextReaderFilterCollection Filters
+		{
+			get { return iFilters; }
+		}
+
+		public bool RouteBlankLines
+		{
+			get { return iRouteBlankLines; }
+		}
+
+        public string OriginalLine
+        {
+            get { return iOriginalLine; }
+        }
+		#endregion
+
+		#region New Framework
+		protected abstract void HandleFilteredLine( string aLine );
+		#endregion
+
+		#region From AsyncTextReaderBase
+		protected override void HandleReadLine( string aLine )
+		{
+            iOriginalLine = ( aLine != null ? aLine : string.Empty );
+			bool isBlankLine = ( aLine != null && aLine.Length == 0 );
+			//
+			if ( aLine != null )
+			{
+				if	( ( isBlankLine && RouteBlankLines ) || aLine.Length > 0 )
+				{
+					// Clean it
+					if	( !isBlankLine )
+					{
+						iPrefixes.Clean( ref aLine );
+					}
+
+					// Process filter on line
+					bool propagateLine = true;
+					if	( iFilters != null && !isBlankLine )
+					{
+						propagateLine = iFilters.ProcessFilters( ref aLine );
+					}
+                
+					// Notify derived classes
+					if	( propagateLine )
+					{
+						HandleFilteredLine( aLine );
+					}
+				}
+			}
+		}
+		#endregion
+
+		#region Data members
+		private readonly AsyncTextReaderPrefix iPrefixes;
+		private readonly bool iRouteBlankLines;
+        private string iOriginalLine = string.Empty;
+		private AsyncTextReaderFilterCollection iFilters = new AsyncTextReaderFilterCollection();
+		#endregion
+	}
+}