diff -r 666f914201fb -r 2fe1408b6811 epoc32/include/ezfilebuffer.h --- a/epoc32/include/ezfilebuffer.h Tue Nov 24 13:55:44 2009 +0000 +++ b/epoc32/include/ezfilebuffer.h Tue Mar 16 16:12:26 2010 +0000 @@ -1,1 +1,65 @@ -ezfilebuffer.h +// Copyright (c) 1999-2009 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: +// EZLib: FILEBUFFER.H +// Declaration for FileBufferManager class which facilitates the aynchronous compression and +// decompression of data streams. +// +// + +#ifndef __EZFILEBUFFERMANAGER_H__ +#define __EZFILEBUFFERMANAGER_H__ + +#include +#include + +#include + +/** +Concrete class to manage the input and output buffers for compression and de-compression + +@publishedAll +@released +*/ +class CEZFileBufferManager : public CBase, public MEZBufferManager + { +public: + + enum { EBadInitialization = 1 }; + +public: + ~CEZFileBufferManager(); + IMPORT_C static CEZFileBufferManager* NewLC(RFile &aInput, RFile &aOutput, TInt aBufferSize = 0x8000); + IMPORT_C static CEZFileBufferManager* NewL(RFile &aInput, RFile &aOutput, TInt aBufferSize = 0x8000); + + void InitializeL(CEZZStream &aZStream); + void NeedInputL(CEZZStream &aZStream); + void NeedOutputL(CEZZStream &aZStream); + void FinalizeL(CEZZStream &aZStream); + +protected: + void ConstructL(TInt aBufferSize); + CEZFileBufferManager(RFile &aInput, RFile &aOutput); + +protected: + RFile &iInputFile; + RFile &iOutputFile; + TInt iBufferSize; + TUint8* iInputBuffer; + TUint8* iOutputBuffer; + TPtr8 iInputDescriptor; // always points to start of the input Buffer + TPtr8 iOutputDescriptor; // always points to start of the output Buffer + }; + + +#endif