os/ossrv/lowlevellibsandfws/apputils/multipartparser/src/gzipbufmgr.h
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/ossrv/lowlevellibsandfws/apputils/multipartparser/src/gzipbufmgr.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,74 @@
     1.4 +// Copyright (c) 2003-2009 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 +// @internalComponent
    1.18 +// @prototype
    1.19 +//
    1.20 +
    1.21 +#ifndef GZIPBUFMGR_H
    1.22 +#define GZIPBUFMGR_H
    1.23 +
    1.24 +//-----------------------------------------------------------------------------
    1.25 +#include <e32base.h>
    1.26 +#include <ezbufman.h>
    1.27 +#include <ezgzip.h>
    1.28 +#include <s32mem.h>
    1.29 +
    1.30 +//-----------------------------------------------------------------------------
    1.31 +class CGzipStream;
    1.32 +class RMemReadStream;
    1.33 +
    1.34 +//-----------------------------------------------------------------------------
    1.35 +class GZipBufMgr : public MEZBufferManager
    1.36 +    {
    1.37 +    public:
    1.38 +        // Constructor and Destructor
    1.39 +        static GZipBufMgr* NewL(TPtrC8 in);
    1.40 +        virtual ~GZipBufMgr();
    1.41 +
    1.42 +        // Overridden virtual methods from MEZBufferManager
    1.43 +        void InitializeL(CEZZStream &aZStream);
    1.44 +        void NeedInputL(CEZZStream &aZStream);
    1.45 +        void NeedOutputL(CEZZStream &aZStream);
    1.46 +        void FinalizeL(CEZZStream &aZStream);
    1.47 +        
    1.48 +        // Public methods
    1.49 +        void ReadGZipHeaderL(TEZGZipHeader& aHeader);
    1.50 +        void ReadStringIntoDescriptorL(RMemReadStream& aMem, HBufC8 **aDes) const;
    1.51 +        void SetGZipBuffer(TPtrC8 data);
    1.52 +
    1.53 +    private:
    1.54 +        void ConstructL();
    1.55 +        GZipBufMgr(TPtrC8 in);
    1.56 +
    1.57 +        // Always points to start of the input Buffer
    1.58 +        TPtrC8	iInput;
    1.59 +
    1.60 +        // Always points to start of the output Buffer
    1.61 +        TPtr8	iOutputDes;
    1.62 +        HBufC8*	iOutput;
    1.63 +        
    1.64 +        // Used by the virtual methods from MEZBufferManager
    1.65 +        TBool	iNeedInput;
    1.66 +        TBool	iNeedOutput;
    1.67 +        TBool	iFinalized;
    1.68 +
    1.69 +        // Marks the start of the data, after the header
    1.70 +        TUint   iOffset;
    1.71 +
    1.72 +        // Magic GZip numbers
    1.73 +        TUint8  iID1;
    1.74 +        TUint8  iID2;
    1.75 +    };
    1.76 +
    1.77 +#endif // GZIPBUFMGR_H