// Copyright (c) 2003-2009 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 "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
// which accompanies this distribution, and is available
// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
//
// 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__