--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianSymbolLib/Plugins/SLPluginObey/Provider/ObeySourceProvider.cs	Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,156 @@
+/*
+* 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 SymbianStructuresLib.Debug.Symbols;
+using SymbianSymbolLib.SourceManagement.Source;
+using SymbianSymbolLib.SourceManagement.Provisioning;
+using SymbianUtils.FileTypes;
+using SymbianUtils;
+using SLPluginObey.Reader;
+using SLPluginObey.Source;
+
+namespace SLPluginObey.Provider
+{
+    public class ObeySourceProvider : SymSourceProvider
+    {
+        #region Constructors
+        public ObeySourceProvider( SymSourceProviderManager aManager )
+            : base( aManager )
+        {
+        }
+        #endregion
+
+        #region From SymSourceProvider
+        public override bool IsSupported( string aFileName )
+        {
+            bool ret = base.IsSupported( aFileName );
+            if ( ret )
+            {
+                FindMapProvider();
+
+                // Check that the MAP file source is supported
+                bool exists = File.Exists( aFileName );
+                ret = ( iMapProvider != null ) && exists;
+            }
+            //
+            return ret;
+        }
+
+        public override SymSourceCollection CreateSources( string aFileName )
+        {
+            System.Diagnostics.Debug.Assert( iMapProvider != null );
+
+            // Read OBY file and resolve to map files in host file system.
+            iTransientSources = new SymSourceCollection();
+            try
+            {
+                ObeyFileReader reader = new ObeyFileReader( aFileName );
+                reader.EntryRead += new ObeyFileReader.ObyEntryHandler( Reader_EntryRead );
+                reader.Read( TSynchronicity.ESynchronous );
+            }
+            catch ( Exception )
+            {
+                iTransientSources.Clear();
+            }
+
+            // This source provider doesn't directly create any sources
+            SymSourceCollection ret = iTransientSources;
+            iTransientSources = null;
+            return ret;
+        }
+
+        public override SymFileTypeList FileTypes
+        {
+            get
+            {
+                SymFileTypeList ret = new SymFileTypeList();
+                //
+                ret.Add( new SymFileType( ".oby", "Symbian OS Obey Files" ) );
+                //
+                return ret;
+            }
+        }
+
+        public override string Name
+        {
+            get { return "OBY"; }
+        }
+        #endregion
+
+        #region Properties
+        #endregion
+
+        #region Event handlers
+        private void Reader_EntryRead( ObeyFileReader aReader, string aHost, string aDevice )
+        {
+            // Check if there is a corresponding map file in the host file system.
+            FileInfo mapFile = new FileInfo( aHost + KMapFileExtension );
+            if ( mapFile.Exists )
+            {
+                bool supported = iMapProvider.IsSupported( mapFile.FullName );
+                if ( supported )
+                {
+                    // First get the map provider to create its own concrete list of 
+                    // sources for the specified map file. This should just be a single
+                    // source and a single collection since that is the logical encapsulating
+                    // domain for a given map file.
+                    SymSourceCollection mapSources = iMapProvider.CreateSources( mapFile.FullName );
+
+                    // Next, we iterate through any sources (probably just one) and then
+                    // extract the collection & provider that was specified for that source.
+                    //
+                    // We want to effectively sit the OBY source plugin in between the symbol
+                    // engine and the map plugin so that it can ensure that we only read a
+                    // given map file at the point when the map file symbol collection is activated.
+                    foreach ( SymSource mapSource in mapSources )
+                    {
+                        SymSource obeySource = new ObeySource( mapSource.URI, this, mapSource );
+                        iTransientSources.Add( obeySource );
+                    }
+                }
+                else
+                {
+                    SymbianUtils.SymDebug.SymDebugger.Break();
+                }
+            }
+        }
+        #endregion
+
+        #region Internal constants
+        private const string KMapFileExtension = ".map";
+        #endregion
+
+        #region Internal methods
+        private void FindMapProvider()
+        {
+            if ( iMapProvider == null )
+            {
+                iMapProvider = base.ProvisioningManager[ "MAP" ];
+            }
+        }
+        #endregion
+
+        #region Data members
+        private SymSourceProvider iMapProvider;
+        private SymSourceCollection iTransientSources = null;
+        #endregion
+    }
+}