// Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// which accompanies this distribution, and is available

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

//

#ifndef __BARSC2_H__

#define __BARSC2_H__

#include <f32file.h>

//Forward declarations

class RResourceFileImpl;

/** Accesses a resource file or resource file buffer and reads the 

resource data into a buffer.

Interpretation of the data is achieved using the RResourceReader class.

CResourceFile methods behaviour when some problem occurs - it leaves

with an error code. Most of the time the error code will be KErrCorrupt.

@publishedAll 

@released

@see RResourceReader */

class CResourceFile : public CBase

	{

public:

	IMPORT_C static CResourceFile* NewL(RFs& aFs, const TDesC& aName, 

										TUint aFileOffset, TInt aFileSize);

	IMPORT_C static CResourceFile* NewLC(RFs& aFs, const TDesC& aName, 

										TUint aFileOffset, TInt aFileSize);

	IMPORT_C static CResourceFile* NewL(const TDesC8& aRscFileBuffer);

	IMPORT_C virtual ~CResourceFile();

	IMPORT_C TUidType UidType() const;

	IMPORT_C void ReadL(TDes8 &aDes,TInt aResourceId) const;

	IMPORT_C HBufC8 *AllocReadL(TInt aResourceId) const;

	IMPORT_C HBufC8 *AllocReadLC(TInt aResourceId) const;

	IMPORT_C void ConfirmSignatureL(TInt aSignature);

	IMPORT_C void ConfirmSignatureL();

	IMPORT_C TInt SignatureL() const;

	IMPORT_C TBool OwnsResourceIdL(TInt aResourceId) const;

	IMPORT_C TInt Offset() const;

private:

	CResourceFile();

	CResourceFile(const CResourceFile&);//prevent default copy constructor

	CResourceFile& operator=(const CResourceFile&);//prevent default "=" operator

	void ConstructL(RFs& aFs, const TDesC& aName, TUint aFileOffset, TInt aFileSize);

	void ConstructL(const TDesC8& aRscFileBuffer);

	RResourceFileImpl* Impl();

	const RResourceFileImpl* Impl() const;

private:

	enum

		{

		KRscFileSize = 24

		};

	TUint8 iImpl[KRscFileSize];

	};

#endif//__BARSC2_H__