sl@0: // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #ifndef __BAARCHIVEIMPL_H__
sl@0: #define __BAARCHIVEIMPL_H__
sl@0: 
sl@0: #include <e32std.h>
sl@0: #include <f32file.h>
sl@0: 
sl@0: //Some useful constant
sl@0: const TUid KSpiFileUid={0x10205C2B};
sl@0: const TUint KSpiFirstRscOffset=32;
sl@0: 
sl@0: //Forward declarations
sl@0: class CResourceFile;
sl@0: 
sl@0: /**
sl@0: Internal class to store the RSC name and the pointer to data
sl@0: @internalComponent
sl@0: */
sl@0: NONSHARABLE_CLASS(TRscEntry)
sl@0: {
sl@0: public:
sl@0: 	TRscEntry(){}
sl@0: public:
sl@0: 	TPtrC8 iRscName;
sl@0: 	TPtrC8 iRscData;
sl@0: #ifdef __BASPITEST__
sl@0: 	//used for testing purpose to check file association of each resource entry
sl@0: 	TPtrC iFileNamePtr;
sl@0: #endif	
sl@0: };
sl@0: 
sl@0: /** Accesses a resource file and reads the resource data into a buffer.
sl@0: It is the implementation class for RResourceArchive
sl@0: @internalComponent 
sl@0: @see RResourceArchive
sl@0: */
sl@0: NONSHARABLE_CLASS(CResourceArchiveImpl) : public CBase
sl@0: 	{
sl@0: 	friend class RStaticPluginInfoTest;
sl@0: public:
sl@0: 	static CResourceArchiveImpl* NewL(RFs& aFs,const TDesC& aName);
sl@0: 	static CResourceArchiveImpl* NewL(RFs& aFs,const TDesC& aPath,const TDesC& aPattern);
sl@0: 	~CResourceArchiveImpl();
sl@0: 	CResourceFile* NextL(HBufC*& aRscFileName);
sl@0: 	void Reset();
sl@0: 	TUid Type();
sl@0: 	TBool NextResourceExist() const;
sl@0: 	
sl@0: private:
sl@0: 	void ConstructL(RFs& aFs,const TDesC& aName);
sl@0: 	void ConstructL(RFs& aFs,const TDesC& aPath,const TDesC& aPattern);
sl@0: 	//helper functions
sl@0: 	void OpenFileL(RFs& aFs,const TDesC& aName,TPtr8& aBufferPtr);
sl@0: 	void ValidateHeaderL(TPtr8& aBufferPtr);
sl@0: 	void ProcessEntryL(TPtr8& aBufferPtr,RArray<TPtrC8>& aHiddenList);
sl@0: 	CResourceArchiveImpl();
sl@0: 	
sl@0: 	//determine the order in which entry is inserted	
sl@0: 	static TInt EntryOrder(const TRscEntry& aSource,const TRscEntry& aTarget)
sl@0: 		{
sl@0: 		return (aSource.iRscName.CompareF(aTarget.iRscName));
sl@0: 		}
sl@0: 
sl@0: 	//determine the matching criteria for TPtrC8
sl@0: 	static TBool MatchDescriptor(const TPtrC8& aSource,const TPtrC8& aTarget)
sl@0: 		{
sl@0: 		if (aSource.CompareF(aTarget)==0)
sl@0: 			return ETrue;
sl@0: 		return EFalse;
sl@0: 		}
sl@0: 	TInt32 LittleEndianFourByteInteger(const TDesC8& aBuffer,TInt aIndexOfFirstByte) const;	
sl@0: private:
sl@0: 	//current rsc entry index to iRscList
sl@0: 	TInt iCurrentIndex;
sl@0: 	//type of spi file
sl@0: 	TUid iSpiFileType;
sl@0: 	//combined array of resources
sl@0: 	RArray<TRscEntry> iRscList;
sl@0: 	//list of all opened archive buffer
sl@0: 	RPointerArray<HBufC8> iSpiBufferArray;
sl@0: 	//list of all opened RChunk buffer
sl@0: 	RPointerArray<RChunk> iSpiChunkBufferArray;
sl@0: 	
sl@0: #ifdef __BASPITEST__
sl@0: 	//used for testing purpose to check file association of each resource entry
sl@0: 	RArray<TFileName> iSpiFileNameArray;
sl@0: #endif	
sl@0: 	};
sl@0: 	
sl@0: #endif//__BAARCHIVEIMPL_H_