1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // GZIP output stream functions

    15 //

    16 

    17 #include "xmlenggzipbufferdeserializebm.h"

    18 #include <ezstream.h>

    19 #include <ezcompressor.h>

    20 

    21 

    22 

    23     CXmlEngGZipBufferDeserializeBM* CXmlEngGZipBufferDeserializeBM::NewLC(  Xml::CParser* aParser, const TDesC8& aInputBuffer, TInt aOutBufSize  )

    24 	    {

    25 	    CXmlEngGZipBufferDeserializeBM* bm = new (ELeave) CXmlEngGZipBufferDeserializeBM( aParser, aInputBuffer );

    26 	    CleanupStack::PushL( bm );

    27 	    bm->ConstructL( aOutBufSize );

    28 	    return bm;	

    29 	    }

    30 

    31     CXmlEngGZipBufferDeserializeBM* CXmlEngGZipBufferDeserializeBM::NewL( Xml::CParser* aParser, const TDesC8& aInputBuffer, TInt aOutBufSize )

    32 	    {

    33 	    CXmlEngGZipBufferDeserializeBM* bm = CXmlEngGZipBufferDeserializeBM::NewLC( aParser, aInputBuffer, aOutBufSize );

    34 	    CleanupStack::Pop( bm );

    35 	    return bm;	

    36 	    }

    37 

    38    CXmlEngGZipBufferDeserializeBM::CXmlEngGZipBufferDeserializeBM( Xml::CParser* aParser, const TDesC8& aInputBuffer )

    39         : iOutputDescriptor(NULL,0)

    40         {

    41         iParser = aParser;

    42         iInputDescriptor.Set(aInputBuffer);

    43         }

    44 

    45    void CXmlEngGZipBufferDeserializeBM::ConstructL( TInt aOutBufSize )

    46         {

    47 	    if ( aOutBufSize <= 0 ) 

    48 	        {

    49 	        User::Leave(KErrArgument);

    50 	        }

    51 	    iOutputBuffer = new (ELeave) TUint8[aOutBufSize];

    52 	    iOutputDescriptor.Set(iOutputBuffer,0,aOutBufSize);

    53         }

    54 

    55    CXmlEngGZipBufferDeserializeBM::~CXmlEngGZipBufferDeserializeBM()

    56         {

    57         delete iOutputBuffer;

    58         }

    59     

    60     void CXmlEngGZipBufferDeserializeBM::InitializeL( CEZZStream& aZStream )

    61     	{

    62     	iParser->ParseBeginL();

    63     	aZStream.SetInput( iInputDescriptor );

    64     	aZStream.SetOutput( iOutputDescriptor );

    65     	}

    66 

    67     void CXmlEngGZipBufferDeserializeBM::NeedInputL( CEZZStream& aZStream )

    68     	{

    69     	//no input except iInputDescriptor

    70         aZStream.SetInput( KNullDesC8 );

    71     	}

    72 

    73     void CXmlEngGZipBufferDeserializeBM::NeedOutputL( CEZZStream& aZStream )

    74     	{

    75     	TPtrC8 od = aZStream.OutputDescriptor();    	

    76     	iParser->ParseL( od );

    77     	aZStream.SetOutput( iOutputDescriptor );

    78     	}

    79 

    80     void CXmlEngGZipBufferDeserializeBM::FinalizeL( CEZZStream& aZStream )

    81         {

    82         TPtrC8 od = aZStream.OutputDescriptor();

    83         iParser->ParseL( od );

    84         iParser->ParseEndL();

    85     	}

    86 

    87