/*

* Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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: 

* Definition of the Swi::Sis::CFileData

*

*/

#include "sisfiledata.h"

#include "siscompressed.h"

using namespace Swi::Sis;

/*static*/ CFileData* CFileData::NewLC(MSisDataProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)

	{

	CFileData* self = new(ELeave) CFileData();

	CleanupStack::PushL(self);

	self->ConstructL(aDataProvider, aBytesRead, aTypeReadBehaviour);

	return self;

	}

/*static*/ CFileData* CFileData::NewL(MSisDataProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)

	{

	CFileData* self = NewLC(aDataProvider, aBytesRead, aTypeReadBehaviour);

	CleanupStack::Pop(self);

	return self;

	} 

CFileData::CFileData()

	{

	}

CFileData::~CFileData()

	{

	delete iCompressedFile;	

	}

void CFileData::ConstructL(MSisDataProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)

	{

	TInt64 fieldOffset = aBytesRead;

	CField::ConstructL(aDataProvider, EFieldTypeFileData, aBytesRead, aTypeReadBehaviour);

	iCompressedFile = CCompressed::NewL(aDataProvider, aBytesRead, EReadType); // we cannot assume the type here!

	CField::EnsureAlignedL(aDataProvider, aBytesRead - fieldOffset, aBytesRead, aTypeReadBehaviour);	

	}

void CFileData::ExtractDataFieldL(RFile& aFile)

	{

	iCompressedFile->ExtractDataFieldL(aFile);

	}

void CFileData::ExtractDataFieldL(RFile& aFile, TInt64 aLength)

	{

	iCompressedFile->ExtractDataFieldL(aFile, aLength);

	}