diff -r 000000000000 -r 818e61de6cd1 crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianImageLib/E32Image/Image/SymbianE32Image.cs --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianImageLib/E32Image/Image/SymbianE32Image.cs Thu Feb 11 15:50:58 2010 +0200 @@ -0,0 +1,116 @@ +/* +* 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 SymbianUtils.Tracer; +using SymbianUtils.Streams; +using SymbianStructuresLib.Uids; +using SymbianStructuresLib.Compression.Common; +using SymbianImageLib.Common.Header; +using SymbianImageLib.Common.Image; +using SymbianImageLib.Common.Streams; +using SymbianImageLib.E32Image.Content; +using SymbianImageLib.E32Image.Header; +using SymbianImageLib.E32Image.Exceptions; + +namespace SymbianImageLib.E32Image.Image +{ + public class SymbianImageE32 : SIImage + { + #region Constructors + public SymbianImageE32( FileInfo aFileInfo, ITracer aTracer ) + : this( aFileInfo.FullName, (uint) aFileInfo.Length, 0, new SIStream( aFileInfo.OpenRead() ), aTracer ) + { + } + + internal SymbianImageE32( string aImageName, uint aImageContentSize, long aImageContentOffset, SIStream aStream, ITracer aTracer ) + : base( aTracer, aStream, aImageName ) + { + iContentOffsetWithinDataStream = aImageContentOffset; + // + using ( SymbianStreamReaderLE reader = base.Stream.CreateReader() ) + { + reader.Seek( iContentOffsetWithinDataStream ); + iHeader = new SIHeaderE32Image( this, reader ); + } + + // Since we are a single e32 image, we have a single e32 Image file descriptor + SIContentE32Image file = new SIContentE32Image( this, aImageName, aImageContentSize, aImageContentOffset ); + base.RegisterFile( file ); + } + #endregion + + #region From SIImage + public override SIHeader Header + { + get { return iHeader; } + } + #endregion + + #region API + public static bool IsImageFile( Stream aStream ) + { + return IsImageFile( aStream, aStream.Position ); + } + + public static bool IsImageFile( Stream aStream, long aPosition ) + { + bool ret = false; + // + try + { + using ( SymbianStreamReaderLE reader = SymbianStreamReaderLE.New( aStream, SymbianStreamReaderLE.TCloseOperation.EResetPosition ) ) + { + aStream.Seek( aPosition, SeekOrigin.Begin ); + // + byte[] bytes = reader.ReadBytes( SIHeaderE32Image.KMinimumSize ); + ret = SIHeaderE32Image.IsSymbianImageHeader( bytes ); + } + } + catch ( Exception ) + { + } + return ret; + } + #endregion + + #region Properties + internal TCheckedUid Uid + { + get + { + return iHeader.Uid; + } + } + + internal long ContentOffsetWithinDataStream + { + get { return iContentOffsetWithinDataStream; } + } + #endregion + + #region Internal methods + #endregion + + #region Data members + private readonly SIHeaderE32Image iHeader; + private readonly long iContentOffsetWithinDataStream; + #endregion + } +}