/*
* 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
*
*/
/**
@file
@internalTechnology
*/
#ifndef __SISBLOB_H__
#define __SISBLOB_H__
#include <e32base.h>
#include "sisfield.h"
namespace Swi
{
namespace Sis
{
class TPtrProvider;
/**
* This class represents a Sisblob. Sisblob is a basic structure found in files.
* It is described in SGL.GT0188.251.
*
* @released
* @internalTechnology
*/
class CBlob : public CField
{
public:
/**
* This creates a new CBlob object.
*
* @param aDataProvider An instance of a MSisDataProvider to read the entity from.
* @param ablobReadBehaviour Whether we need to check the sis type or not.
*
* @return An instance of CBlob representing the data read.
*/
IMPORT_C static CBlob* NewL(MSisDataProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour = EReadType);
/**
* This creates a new CBlob object and places it on the cleaup stack.
*
* @param aDataProvider An instance of a MSisDataProvider to read the entity from.
* @param ablobReadBehaviour Whether we need to check the sis type or not.
*
* @return An instance of CBlob representing the data read.
*/
IMPORT_C static CBlob* NewLC(MSisDataProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour = EReadType);
/**
* This creates a new CBlob object using in place data.
*
* @param aDataProvider An instance of a TPtrProvider to read the entity from.
* @param ablobReadBehaviour Whether we need to check the sis type or not.
*
* @return An instance of CBlob representing the data read.
*/
IMPORT_C static CBlob* NewL(TPtrProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour = EReadType);
/**
* This creates a new CBlob object using in place data and places it on the cleaup stack.
*
* @param aDataProvider An instance of a TPtrProvider to read the entity from.
* @param ablobReadBehaviour Whether we need to check the sis type or not.
*
* @return An instance of CBlob representing the data read.
*/
IMPORT_C static CBlob* NewLC(TPtrProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour = EReadType);
IMPORT_C virtual ~CBlob();
/**
* Accessor for the actual raw data wrapped up by this blob.
*/
inline const TDesC8& Data() const;
private:
CBlob();
/**
* The second-phase constructor.
*
* @param aDataProvider An instance of a TPtrProvider to read the entity from.
* @param ablobReadBehaviour Whether we need to check the sis type or not.
*/
void ConstructL(MSisDataProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour);
/**
* The second-phase in-place constructor.
*
* @param aDataProvider An instance of a TPtrProvider to read the entity from.
* @param ablobReadBehaviour Whether we need to check the sis type or not.
*/
void ConstructL(TPtrProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour);
private:
TPtrC8 iDataPtr;
HBufC8* iData;
};
// inline functions from CBlob
const TDesC8& CBlob::Data() const
{
return iDataPtr;
}
} // namespace Sis
} //namespace Swi
#endif