/*

* Copyright (c) 2007-2009 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: 

*

*/

/**

 @file

 @internalTechnology

*/

#ifndef __FILEREADER__

#define __FILEREADER__

#include <e32cmn.h>

#include <e32base.h>

#include <e32std.h>

#include <e32def.h>

#include <f32file.h>

#include <bigint.h>

	class CFileReader : public CBase

		{

	public:

		static CFileReader* NewL(TPtrC aFileReader);

		static CFileReader* NewLC(TPtrC aFileReader);

		static CFileReader* NewL(TPtrC aFilePath, TInt aBlockSize);

		static CFileReader* NewLC(TPtrC aFilePath, TInt aBlockSize);

		operator const TPtrC8();

		virtual ~CFileReader();

		TBool ReadBlockL();

		TInt NumBlocks();

		/** Parse a hex string and return a new RInteger. */

    	RInteger ParseIntegerL();

    	/** Parse a hex string and return a new descriptor containing the binary data. */

		HBufC8* ParseBinaryL(const TDesC8& aDes);

	private:

		CFileReader();

		void ConstructL(TPtrC aFileReader);

		void ConstructL(TPtrC aFilePath, TInt aOffsetSize);

		HBufC8* iFileContents;

		HBufC*	iFilePath;

		TInt 	iFileOffset;

		TInt 	iBlockSize;

		RFs		iRfs;

		RFile	iFile;

		};

#endif