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