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// Copyright (c) 2003-2009 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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// @internalComponent
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// @prototype
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//
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#ifndef GZIPBUFMGR_H
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#define GZIPBUFMGR_H
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//-----------------------------------------------------------------------------
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#include <e32base.h>
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#include <ezbufman.h>
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#include <ezgzip.h>
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#include <s32mem.h>
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//-----------------------------------------------------------------------------
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class CGzipStream;
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class RMemReadStream;
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//-----------------------------------------------------------------------------
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class GZipBufMgr : public MEZBufferManager
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{
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public:
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// Constructor and Destructor
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static GZipBufMgr* NewL(TPtrC8 in);
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virtual ~GZipBufMgr();
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// Overridden virtual methods from MEZBufferManager
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void InitializeL(CEZZStream &aZStream);
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void NeedInputL(CEZZStream &aZStream);
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void NeedOutputL(CEZZStream &aZStream);
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void FinalizeL(CEZZStream &aZStream);
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// Public methods
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void ReadGZipHeaderL(TEZGZipHeader& aHeader);
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void ReadStringIntoDescriptorL(RMemReadStream& aMem, HBufC8 **aDes) const;
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void SetGZipBuffer(TPtrC8 data);
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private:
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void ConstructL();
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GZipBufMgr(TPtrC8 in);
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// Always points to start of the input Buffer
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TPtrC8 iInput;
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// Always points to start of the output Buffer
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TPtr8 iOutputDes;
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HBufC8* iOutput;
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// Used by the virtual methods from MEZBufferManager
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TBool iNeedInput;
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TBool iNeedOutput;
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TBool iFinalized;
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// Marks the start of the data, after the header
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TUint iOffset;
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// Magic GZip numbers
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TUint8 iID1;
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TUint8 iID2;
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};
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#endif // GZIPBUFMGR_H
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