--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbolLib/Sources/Symbol/Parser/SymbolFileParser.cs	Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,240 @@
+/*
+* 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;
+using SymbianUtils.Tracer;
+using SymbolLib.Generics;
+using SymbolLib.Sources.Symbol.File;
+using SymbolLib.Sources.Symbol.Engine;
+using SymbolLib.Sources.Symbol.Symbol;
+using SymbolLib.Sources.Symbol.Collection;
+
+namespace SymbolLib.Sources.Symbol.Parser
+{
+    #region SymbolCollectionCreator interface
+    internal interface SymbolCollectionCreator
+    {
+        SymbolsForBinary CreateCollection( string aHostFileName );
+    }
+    #endregion
+
+    #region SymbolEntryCreator interface
+    internal interface SymbolEntryCreator
+    {
+        SymbolSymbol CreateSymbol();
+    }
+    #endregion
+
+	internal class SymbolFileParser : AsyncTextFileReader
+	{
+        #region Delegates & events
+        public delegate void CollectionCreatedHandler( SymbolsForBinary aCollection );
+        public event CollectionCreatedHandler CollectionCreated;
+
+        public delegate bool CollectionCompletedHandler( SymbolsForBinary aCollection );
+        public event CollectionCompletedHandler CollectionCompleted;
+
+        public delegate void SymbolCreatedHandler( SymbolSymbol aSymbol );
+        public event SymbolCreatedHandler SymbolCreated;
+        #endregion
+
+		#region Constructors
+		internal SymbolFileParser( SymbolCollectionCreator aCollectionCreator, SymbolEntryCreator aEntryCreator, string aFileName, ITracer aTracer )
+		:	base( aFileName, aTracer )
+		{
+            iCollectionCreator = aCollectionCreator;
+            iEntryCreator = aEntryCreator;
+		}
+		#endregion
+
+        #region Constants
+        public const bool KCollectionCompletedAndAbortParsing = false;
+        public const bool KCollectionCompletedAndContinueParsing = true;
+        #endregion
+
+        #region Parsing API
+        public void Read( TSynchronicity aSynchronicity )
+        {
+            base.StartRead( aSynchronicity );
+        }
+		#endregion
+
+        #region Properties
+        public bool ContainedAtLeastOneCollectionFileName
+        {
+            get { return iContainedAtLeastOneCollectionFileName; }
+        }
+        #endregion
+
+        #region From AsyncTextReader
+        protected override bool ImmediateAbort()
+        {
+            return iImmediateAbort;
+        }
+
+        protected override void HandleReadStarted()
+        {
+#if PROFILING
+            System.DateTime startTime = DateTime.Now;
+
+            using ( System.IO.StreamReader reader = new StreamReader( this.FileName ) )
+            {
+                string line = reader.ReadLine();
+                while ( line != null )
+                {
+                    line = reader.ReadLine();
+                }
+            }
+
+            System.DateTime endTime = DateTime.Now;
+            long tickDuration = ( ( endTime.Ticks - startTime.Ticks ) / 100 );
+            System.Diagnostics.Debug.WriteLine( "SIMPLE READ COMPLETE - " + tickDuration.ToString( "d6" ) );
+#endif
+
+            base.HandleReadStarted();
+        }
+
+        protected override void HandleFilteredLine( string aLine )
+		{
+            if ( aLine != null )
+            {
+                int len = aLine.Length;
+                if ( len > 5 && aLine.Substring( 0, 5 ) == "From " )
+			    {
+                    aLine = aLine.Substring( 5 ).TrimStart();
+                    HandleStartOfNewCollection( aLine );
+                }
+                else
+                {
+                    HandleSymbolLine( aLine );
+                }
+            }
+        }
+
+		protected override void HandleReadCompleted()
+		{
+			try
+			{
+                OnCollectionCompleted( iCurrentCollection );
+			}
+			finally
+			{
+                base.HandleReadCompleted();
+			}
+		}
+
+		protected override void HandleReadException( Exception aException )
+		{
+            base.HandleReadException( aException );
+            //
+            System.Windows.Forms.MessageBox.Show( aException.StackTrace, aException.Message );
+		}
+		#endregion
+
+		#region Internal methods
+        private void OnCollectionCreated( SymbolsForBinary aCollection )
+        {
+            if ( CollectionCreated != null && aCollection != null )
+            {
+                CollectionCreated( aCollection );
+            }
+        }
+
+        private void OnCollectionCompleted( SymbolsForBinary aCollection )
+        {
+            if ( CollectionCompleted != null && aCollection != null )
+            {
+                // If returns immediate abort then we will stop parsing
+                // straight away.
+                iImmediateAbort = ( CollectionCompleted( aCollection ) == KCollectionCompletedAndAbortParsing );
+            }
+        }
+
+        private void HandleStartOfNewCollection( string aHostFileName )
+        {
+            // Current collection is now complete
+            OnCollectionCompleted( iCurrentCollection );
+            
+            // We will create the new collection once we see the first symbol
+            iCurrentCollection = null;
+
+            // Cache the name of the new collection
+            iCurrentCollectionHostFileName = aHostFileName;
+
+            // We've seen at least one "From" line.
+            iContainedAtLeastOneCollectionFileName = true;
+        }
+
+        private void HandleSymbolLine( string aLine )
+        {
+            try
+            {
+                // If we have not yet made a collection for this symbol, then do so now
+                CreateNewCollection();
+
+                SymbolSymbol entry = iEntryCreator.CreateSymbol();
+                bool entryOk = entry.Parse( aLine );
+                if ( entryOk && SymbolCreated != null )
+                {
+
+                    // Notify that we created a symbol
+                    SymbolCreated( entry );
+                }
+            }
+            catch( GenericSymbolicCreationException )
+            {
+#if TRACE
+                System.Diagnostics.Debug.WriteLine( "SymbolParseException: " + aLine );
+#endif
+            }
+        }
+
+        private void CreateNewCollection()
+        {
+            if ( iCurrentCollection == null )
+            {
+                System.Diagnostics.Debug.Assert( !string.IsNullOrEmpty( iCurrentCollectionHostFileName ) );
+
+                // Combine symbol file drive letter with binary name from the symbol file itself.
+                string hostBinaryFileName = Path.GetPathRoot( base.FileName );
+                if ( iCurrentCollectionHostFileName.StartsWith( @"\" ) )
+                {
+                    iCurrentCollectionHostFileName = iCurrentCollectionHostFileName.Substring( 1 );
+                }
+                hostBinaryFileName = Path.Combine( hostBinaryFileName, iCurrentCollectionHostFileName );
+
+                iCurrentCollection = iCollectionCreator.CreateCollection( hostBinaryFileName );
+                OnCollectionCreated( iCurrentCollection );
+                iCurrentCollectionHostFileName = string.Empty;
+            }
+        }
+        #endregion
+
+		#region Data members
+        private SymbolsForBinary iCurrentCollection = null;
+        private readonly SymbolEntryCreator iEntryCreator;
+        private readonly SymbolCollectionCreator iCollectionCreator;
+        private bool iImmediateAbort = false;
+        private string iCurrentCollectionHostFileName = string.Empty;
+        private bool iContainedAtLeastOneCollectionFileName = false;
+        #endregion
+	}
+}