author | raptorbot <raptorbot@systemstesthead.symbian.intra> |
Sat, 16 Jan 2010 00:01:04 +0000 | |
branch | wip |
changeset 121 | 5e5ae3e212b3 |
parent 0 | 044383f39525 |
child 590 | 360bd6b35136 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the License "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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|
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/** |
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@file |
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@internalComponent |
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@released |
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*/ |
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#include "typedefs.h" |
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#include "rofsimage.h" |
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/** |
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Constructor. |
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|
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@internalComponent |
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@released |
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@param aReader - image reader pointer |
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*/ |
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RofsImage::RofsImage(RCoreImageReader *aReader) |
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: CCoreImage(aReader) , |
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iRofsHeader(0), iRofsExtnHeader(0),iAdjustment(0), |
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iImageType((RCoreImageReader::TImageType)0) |
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{ |
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} |
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/** |
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Destructor deletes iRofsHeader and iRofsExtnHeader. |
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@internalComponent |
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@released |
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@param aReader - image reader pointer |
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*/ |
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RofsImage::~RofsImage() |
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{ |
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DELETE(iRofsHeader); |
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DELETE(iRofsExtnHeader); |
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} |
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/** |
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Function responsible to read the ROFS image and to construct the tree for the |
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elements available in Directory section. |
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|
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@internalComponent |
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@released |
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@return - returns the error code |
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*/ |
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TInt RofsImage::ProcessImage() |
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{ |
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int result = CreateRootDir(); |
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if (result == KErrNone) |
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{ |
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if (iReader->Open()) |
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{ |
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iImageType = iReader->ReadImageType(); |
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if (iImageType == RCoreImageReader::E_ROFS) |
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{ |
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iRofsHeader = new TRofsHeader; |
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result = iReader->ReadCoreHeader(*iRofsHeader); |
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if (result != KErrNone) |
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return result; |
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|
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SaveDirInfo(*iRofsHeader); |
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result = ProcessDirectory(0); |
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} |
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else if (iImageType == RCoreImageReader::E_ROFX) |
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{ |
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iRofsExtnHeader = new TExtensionRofsHeader ; |
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result = iReader->ReadExtensionHeader(*iRofsExtnHeader); |
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if(result != KErrNone) |
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return result; |
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|
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long filePos = iReader->FilePosition(); |
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iAdjustment = iRofsExtnHeader->iDirTreeOffset - filePos; |
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|
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SaveDirInfo(*iRofsExtnHeader); |
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result = ProcessDirectory(iAdjustment); |
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} |
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else |
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{ |
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result = KErrNotSupported; |
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} |
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} |
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else |
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{ |
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result = KErrGeneral; |
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} |
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} |
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return result; |
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} |