1 barsc2.h

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

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // 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

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #ifndef __BARSC2_H__

    17 #define __BARSC2_H__

    18 

    19 #include <f32file.h>

    20 

    21 //Forward declarations

    22 class RResourceFileImpl;

    23 

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

    25 resource data into a buffer.

    26 

    27 Interpretation of the data is achieved using the RResourceReader class.

    28 CResourceFile methods behaviour when some problem occurs - it leaves

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

    30 

    31 @publishedAll 

    32 @released

    33 @see RResourceReader */

    34 class CResourceFile : public CBase

    35 	{

    36 public:

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

    38 										TUint aFileOffset, TInt aFileSize);

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

    40 										TUint aFileOffset, TInt aFileSize);

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

    42 	IMPORT_C virtual ~CResourceFile();

    43 	IMPORT_C TUidType UidType() const;

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

    45 	IMPORT_C HBufC8 *AllocReadL(TInt aResourceId) const;

    46 	IMPORT_C HBufC8 *AllocReadLC(TInt aResourceId) const;

    47 	IMPORT_C void ConfirmSignatureL(TInt aSignature);

    48 	IMPORT_C void ConfirmSignatureL();

    49 	IMPORT_C TInt SignatureL() const;

    50 	IMPORT_C TBool OwnsResourceIdL(TInt aResourceId) const;

    51 	IMPORT_C TInt Offset() const;

    52 private:

    53 	CResourceFile();

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

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

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

    57 	void ConstructL(const TDesC8& aRscFileBuffer);

    58 	RResourceFileImpl* Impl();

    59 	const RResourceFileImpl* Impl() const;

    60 private:

    61 	enum

    62 		{

    63 		KRscFileSize = 24

    64 		};

    65 	TUint8 iImpl[KRscFileSize];

    66 	};

    67 

    68 #endif//__BARSC2_H__