/*

* 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::CBlob

*

*/

#include <e32def.h>

#include "sisblob.h"

#include "sisfieldtypes.h"

using namespace Swi::Sis;

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

	{

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

	CleanupStack::PushL(self);

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

	return self;

	}

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

	{

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

	CleanupStack::Pop(self);

	return self;

	}

EXPORT_C CBlob* CBlob::NewLC(TPtrProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)

	{

	CBlob* self = new (ELeave) CBlob;

	CleanupStack::PushL(self);

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

	return self;

	}

EXPORT_C CBlob* CBlob::NewL(TPtrProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)

	{

	CBlob* self = CBlob::NewLC(aDataProvider, aBytesRead, aTypeReadBehaviour);

	CleanupStack::Pop(self);

	return self;

	}

CBlob::CBlob()

	{

	}

EXPORT_C CBlob::~CBlob()

	{

	delete iData;

	}

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

	{

	TInt64 fieldOffset = aBytesRead;

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

	if ((Length() >= KMaxTInt / 2)||(Length() < 0))

		{

		User::Leave(KErrSISFieldLengthInvalid);

		}

	iData= HBufC8::NewMaxL(I64INT(Length()));

	TPtr8 p(iData->Des());

	CField::CheckedReadL(aDataProvider, p, aBytesRead);

	iDataPtr.Set(*iData);

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

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

	}

void CBlob::ConstructL(TPtrProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)

	{

	TInt64 fieldOffset = aBytesRead;

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

	if ((Length() >= KMaxTInt / 2)||(Length() < 0))

		{

		User::Leave(KErrSISFieldLengthInvalid);

		}

	iDataPtr.Set(aDataProvider.ReadL(I64INT(Length())));

	aBytesRead += I64INT(Length());

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

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

	}