--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymBuildParsingLib/Parser/Framework/Workers/SymParserWorkerConsumer.cs	Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,116 @@
+/*
+* 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 SymBuildParsingLib.Tree;
+using SymBuildParsingLib.Token;
+using SymbianTree;
+
+namespace SymBuildParsingLib.Parser.Framework.Workers
+{
+	public class SymParserWorkerConsumer : SymParserWorker
+	{
+		#region Enumerations
+		public enum TDyingAction
+		{
+			EWhenDyingTakeNoAction = 0,
+			EWhenDyingMakeRelativeParentNodeCurrent,
+			EWhenDyingMakeAbsoluteParentNodeCurrent
+		}
+		#endregion
+
+		#region Constructors & destructor
+		public SymParserWorkerConsumer( SymParserWorkerContext aContext, SymToken.TClass aTerminatingClassType )
+			: this( aContext, aTerminatingClassType, TDyingAction.EWhenDyingTakeNoAction )
+		{
+		}
+
+		public SymParserWorkerConsumer( SymParserWorkerContext aContext, SymToken.TClass aTerminatingClassType, TDyingAction aDyingAction )
+			: base( aContext )
+		{
+			iTerminatingClassType = aTerminatingClassType;
+			iDyingAction = aDyingAction;
+		}
+		#endregion
+
+		#region Properties
+		public SymTokenContainer ConsumedTokens
+		{
+			get { return iConsumedTokens; }
+		}
+		#endregion
+
+		#region Abstract API
+		protected virtual void HandleTerminatingConditionMatch( SymToken aToken )
+		{
+		}
+		#endregion
+
+		#region From SymParserWorker
+		public override SymParserWorker.TTokenConsumptionType OfferToken( SymToken aToken )
+		{
+			iConsumedTokens.Append( aToken );
+
+			if	( aToken.Class == iTerminatingClassType )
+			{
+				// Work out which node will become the parent (if we are configured in that way)
+				SymNode newParent = CalculateNewParentNode();
+
+				// Call back to parent class
+				HandleTerminatingConditionMatch( aToken );
+
+				// Reached the new line token. Stop receiving the tokens. We're done.
+				WorkerContext.Parent.RemoveChild( this );
+
+				// If the dying action was to make the relative parent node
+				// the current one, then we must call CalculateNewParentNode again
+				// after the HandleTerminatingConditionMatch callback - since 
+				// it may have changed the tree.
+				if	( iDyingAction == TDyingAction.EWhenDyingMakeRelativeParentNodeCurrent )
+				{
+					newParent = CalculateNewParentNode();
+				}
+
+				// Update the document with the new parent node
+				WorkerContext.Document.CurrentNode = newParent;
+			}
+			//
+			return TTokenConsumptionType.ETokenConsumed;
+		}
+		#endregion
+
+		#region Internal methods
+		private SymNode CalculateNewParentNode()
+		{
+			SymNode ret = WorkerContext.Document.CurrentNode;
+			//
+			if	( iDyingAction != TDyingAction.EWhenDyingTakeNoAction && WorkerContext.Document.CurrentNode.HasParent )
+			{
+				ret = WorkerContext.Document.CurrentNode.Parent;
+			}
+			//
+			return ret;
+		}
+		#endregion
+
+		#region Data members
+		private readonly SymToken.TClass iTerminatingClassType;
+		private readonly TDyingAction iDyingAction = TDyingAction.EWhenDyingTakeNoAction;
+		private SymTokenContainer iConsumedTokens = new SymTokenContainer();
+		#endregion
+	}
+}