1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/ossrv/compressionlibs/ziplib/inc/ezfilebuffer.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,64 @@
     1.4 +// Copyright (c) 1999-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +// Declaration for FileBufferManager class which facilitates the aynchronous compression and 
    1.18 +// decompression of data streams.
    1.19 +// 
    1.20 +//
    1.21 +
    1.22 +#ifndef __EZFILEBUFFERMANAGER_H__
    1.23 +#define __EZFILEBUFFERMANAGER_H__
    1.24 +
    1.25 +#include <e32base.h>
    1.26 +#include <f32file.h>
    1.27 +
    1.28 +#include <ezbufman.h>
    1.29 +
    1.30 +/**
    1.31 +Concrete class to manage the input and output buffers for compression and de-compression
    1.32 +
    1.33 +@publishedAll
    1.34 +@released
    1.35 +*/
    1.36 +class CEZFileBufferManager : public CBase, public MEZBufferManager
    1.37 +	{
    1.38 +public:
    1.39 +
    1.40 +	enum { EBadInitialization = 1 };
    1.41 +
    1.42 +public:
    1.43 +	~CEZFileBufferManager();
    1.44 +	IMPORT_C static CEZFileBufferManager* NewLC(RFile &aInput, RFile &aOutput, TInt aBufferSize = 0x8000);
    1.45 +	IMPORT_C static CEZFileBufferManager* NewL(RFile &aInput, RFile &aOutput, TInt aBufferSize = 0x8000);
    1.46 +
    1.47 +	void InitializeL(CEZZStream &aZStream);
    1.48 +	void NeedInputL(CEZZStream &aZStream);
    1.49 +	void NeedOutputL(CEZZStream &aZStream);
    1.50 +	void FinalizeL(CEZZStream &aZStream);
    1.51 +
    1.52 +protected:
    1.53 +	void ConstructL(TInt aBufferSize);
    1.54 +	CEZFileBufferManager(RFile &aInput, RFile &aOutput);
    1.55 +
    1.56 +protected:
    1.57 +	RFile &iInputFile;
    1.58 +	RFile &iOutputFile;
    1.59 +	TInt iBufferSize;
    1.60 +	TUint8* iInputBuffer;
    1.61 +	TUint8* iOutputBuffer;
    1.62 +	TPtr8 iInputDescriptor;  // always points to start of the input Buffer
    1.63 +	TPtr8 iOutputDescriptor; // always points to start of the output Buffer
    1.64 +	};
    1.65 +
    1.66 +
    1.67 +#endif