diff -r 000000000000 -r e35f40988205 xml/xmldomandxpath/src/xmlengineserializer/xmlenggzipfiledeserializer.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/xml/xmldomandxpath/src/xmlengineserializer/xmlenggzipfiledeserializer.h Thu Dec 17 09:29:21 2009 +0200 @@ -0,0 +1,82 @@ +// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). +// All rights reserved. +// This component and the accompanying materials are made available +// under the terms of "Eclipse Public License v1.0" +// which accompanies this distribution, and is available +// at the URL "http://www.eclipse.org/legal/epl-v10.html". +// +// Initial Contributors: +// Nokia Corporation - initial contribution. +// +// Contributors: +// +// Description: +// Interface class describing class that may be used as output stream for dom tree +// + + + +/** + @file + @internalComponent + @released +*/ +#ifndef XMLENGCGZIPFILEDESERIALIZER_H +#define XMLENGCGZIPFILEDESERIALIZER_H + +#include +#include +#include +#include + +#include +class CEZDecompressor; + +class CXmlEngGZipFileDeserializer : public CBase, public MEZBufferManager + { + public: + static CXmlEngGZipFileDeserializer* NewLC( Xml::CParser* aParser, RFs& aRfs, const TDesC& aGzFileName, TInt aOutBufSize = 0x8000 ); + + static CXmlEngGZipFileDeserializer* NewL( Xml::CParser* aParser, RFs& aRfs, const TDesC& aGzFileName, TInt aOutBufSize = 0x8000 ); + + ~CXmlEngGZipFileDeserializer(); + + TBool InflateL(); + + /** + * Implementation of MEZBufferManager interface. + */ + void InitializeL(CEZZStream& aZStream); + void NeedInputL(CEZZStream& aZStream); + void NeedOutputL(CEZZStream& aZStream); + void FinalizeL(CEZZStream& aZStream); + + + protected: + CXmlEngGZipFileDeserializer( Xml::CParser* aParser ); + void ConstructL( RFs& aRfs, const TDesC& aGzFileName, TInt aBufSize ); + + private: + + /** XML Framework Parser Interface **/ + Xml::CParser* iParser; + + RFile iInputFile; + + CEZDecompressor *iDecompressor; + + TInt32 iCrc; + TEZGZipHeader iHeader; + TEZGZipTrailer iTrailer; + + /** Buffers **/ + 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 /* XMLENGCGZIPFILEDESERIALIZER_H */