crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianImageLib/Common/Image/SIImage.cs
changeset 0 818e61de6cd1
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianImageLib/Common/Image/SIImage.cs	Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,243 @@
+/*
+* 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.Collections.Generic;
+using System.Text;
+using System.IO;
+using System.ComponentModel;
+using System.Threading;
+using SymbianUtils;
+using SymbianUtils.Tracer;
+using SymbianUtils.PluginManager;
+using SymbianStructuresLib.Compression.Common;
+using SymbianImageLib.Common.Content;
+using SymbianImageLib.Common.Header;
+using SymbianImageLib.Common.Streams;
+using SymbianImageLib.Common.Factory;
+
+namespace SymbianImageLib.Common.Image
+{
+    public abstract class SIImage : DisposableObject, ITracer, IEnumerable<SIContent>
+    {
+        #region Factory
+        public static SIImage New( ITracer aTracer, string aFileName )
+        {
+            return SIImage.New( aTracer, new FileInfo( aFileName ) );
+        }
+
+        public static SIImage New( ITracer aTracer, FileInfo aFileInfo )
+        {
+            SIImage ret = null;
+            //
+            if ( aFileInfo.Exists )
+            {
+                Stream fileStream = aFileInfo.OpenRead();
+                try
+                {
+                    // If creating the image succeeds then we transfer ownership
+                    // of the file stream
+                    ret = SIImage.New( aTracer, fileStream, aFileInfo.FullName );
+                    if ( ret == null )
+                    {
+                        fileStream.Close();
+                    }
+                }
+                catch( Exception )
+                {
+                    fileStream.Close();
+                }
+            }
+            //
+            return ret;
+        }
+
+        public static SIImage New( ITracer aTracer, Stream aStream, string aName )
+        {
+            SIImage ret = null;
+            //
+            PluginManager<SIFactory> imageFactories = new PluginManager<SIFactory>();
+            imageFactories.LoadFromCallingAssembly();
+            foreach ( SIFactory factory in imageFactories )
+            {
+                ret = factory.CreateImage( aTracer, aStream, aName );
+                if ( ret != null )
+                {
+                    break;
+                }
+            }
+            //
+            return ret;
+        }
+        #endregion
+
+        #region Constructors
+        internal SIImage( ITracer aTracer, SIStream aStream, string aName )
+        {
+            iName = aName;
+            iTracer = aTracer;
+            iStream = aStream;
+        }
+        #endregion
+
+        #region Framework API
+        public abstract SIHeader Header
+        {
+            get;
+        }
+        #endregion
+
+        #region API
+        public bool Contains( SIContent aContent )
+        {
+            lock ( iContentList )
+            {
+                bool ret = iContentList.Contains( aContent );
+                return ret;
+            }
+        }
+
+        internal void Remove( SIContent aContent )
+        {
+            lock ( iContentList )
+            {
+                iContentList.Remove( aContent );
+            }
+        }
+        #endregion
+
+        #region Properties
+        public int Count
+        {
+            get
+            {
+                lock ( iContentList )
+                {
+                    return iContentList.Count;
+                }
+            }
+        }
+
+        public TSymbianCompressionType CompressionType
+        {
+            get { return Header.CompressionType; }
+        }
+
+        public SIContent this[ int aIndex ]
+        {
+            get 
+            {
+                lock ( iContentList )
+                {
+                    return iContentList[ aIndex ];
+                }
+            }
+        }
+
+        public SIContent this[ string aFileName ]
+        {
+            get
+            {
+                lock ( iContentList )
+                {
+                    return iContentList[ aFileName ];
+                }
+            }
+        }
+
+        internal SIStream Stream
+        {
+            get { return iStream; }
+            set
+            {
+                System.Diagnostics.Debug.Assert( iStream != value );
+                //
+                if ( iStream != null )
+                {
+                    iStream.Close();
+                }
+                iStream = value; 
+            }
+        }
+
+        public string Name
+        {
+            get { return iName; }
+        }
+        #endregion
+
+        #region Internal methods
+        protected void RegisterFile( SIContent aFile )
+        {
+            iContentList.Add( aFile );
+        }
+
+        private SIContentList FileList
+        {
+            get { return iContentList; }
+        }
+        #endregion
+
+        #region From ITracer
+        public void Trace( string aMessage )
+        {
+            iTracer.Trace( aMessage );
+        }
+
+        public void Trace( string aFormat, params object[] aParams )
+        {
+            iTracer.Trace( aFormat, aParams );
+        }
+        #endregion
+
+        #region From DisposableObject
+        protected override void CleanupManagedResources()
+        {
+            try
+            {
+                base.CleanupManagedResources();
+            }
+            finally
+            {
+                if ( iStream != null )
+                {
+                    iStream.Close();
+                    iStream = null;
+                }
+            }
+        }
+        #endregion
+
+        #region From IEnumerable<SymbianImageContentFile>
+        public IEnumerator<SIContent> GetEnumerator()
+        {
+            return iContentList.GetEnumerator();
+        }
+
+        System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
+        {
+            return iContentList.GetEnumerator();
+        }
+        #endregion
+
+        #region Data members
+        private readonly ITracer iTracer;
+        private readonly string iName;
+        private SIStream iStream = null;
+        private SIContentList iContentList = new SIContentList();
+        #endregion
+    }
+}