/*

* 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: 

* As specified in SGL.GT0188.251

*

*/

/**

 @file 

 @publishedPartner

 @released

*/

#ifndef __SISDATAUNIT_H__

#define __SISDATAUNIT_H__

#include "structure.h"

#include "sisfiledata.h"

#include "sisarray.h"

#include "siscompressed.h"

class CSISDataUnit : public CStructure <CSISFieldRoot::ESISDataUnit>

	{

public:

	/**

	 * Default constructor

	 */

	CSISDataUnit ();

	/**

	 * Copy constructor

	 */

	CSISDataUnit (const CSISDataUnit& aInitialiser);

	/**

	 * Class name

	 */

	virtual std::string Name () const;

	/**

	 * Load the given file into memory. And add it into the list of

	 * file data.

	 * @param aFile file name of file.

	 * @param aSize size of data read from the file.

	 */

	TUint32 LoadFile (const std::wstring& aFile, TUint64* aSize = NULL);

	/**

	 * Compressed size of last file in the file list.

	 */

	TUint64 CompressedSize () const;

	/**

	 * Un-compressed size of last file in the file list.

	 */

	TUint64 UncompressedSize () const;

	/**

	 * Retrieve file data of the specified file.

	 * @param aFileIndex Index of the file to be accessed.

	 */

	const CSISFileData& FileData (const TUint32 aFileIndex) const;

	/**

	 * Number of files present in this data unit.

	 */

	TUint32 FileCount() const;

private:

	CSISArray <CSISFileData, CSISFieldRoot::ESISFileData> iFileData;

	};

inline CSISDataUnit::CSISDataUnit ()

	{

	InsertMember (iFileData); 

	}

inline CSISDataUnit::CSISDataUnit (const CSISDataUnit& aInitialiser) :

		CStructure <CSISFieldRoot::ESISDataUnit> (aInitialiser),

		iFileData (aInitialiser.iFileData)

	{

	InsertMember (iFileData); 

	}

inline TUint32 CSISDataUnit::LoadFile (const std::wstring& aFile, TUint64* aSize)

	{

	iFileData.Push ();

	iFileData.Last ().Load (aFile, aSize);

	return iFileData.size () - 1;

	}

inline std::string CSISDataUnit::Name () const

	{

	return "Data Unit";

	}

inline TUint64 CSISDataUnit::CompressedSize () const

	{

	return iFileData.Last ().CompressedSize ();

	}

inline TUint64 CSISDataUnit::UncompressedSize () const

	{

	return iFileData.Last ().UncompressedSize ();

	}

inline const CSISFileData& CSISDataUnit::FileData (const TUint32 aIndex) const

	{

	return iFileData [aIndex];

	}

inline TUint32 CSISDataUnit::FileCount () const

	{

	return iFileData.size();

	}

#endif // __SISDATAUNIT_H__