// 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:

// Implementation of GZIP deserializer

//

#include <xml/parser.h>

#include <xml/parserfeature.h>

#include <ezgzip.h>

#include <xml/dom/xmlengerrors.h>

#include "xmlengdeserializergzip.h"

#include "xmlenggzipbufferdeserializebm.h"

#include "xmlenggzipfiledeserializer.h"

#include <xml/dom/xmlengserializeerrors.h>

using namespace Xml;

// --------------------------------------------------------------------------------------

// Constructor

// --------------------------------------------------------------------------------------

//

CXmlEngDeserializerGZIP* CXmlEngDeserializerGZIP::NewL( MContentHandler& aContentHandler )

	{   

	CXmlEngDeserializerGZIP* self = new (ELeave) CXmlEngDeserializerGZIP( );

	CleanupStack::PushL( self ); 

	self->ConstructL( aContentHandler );

	CleanupStack::Pop();

	return self;

	}

// --------------------------------------------------------------------------------------

// Deserialize document

// --------------------------------------------------------------------------------------

//

void CXmlEngDeserializerGZIP::DeserializeL( const TDesC& aFileName,

											const TXmlEngParsingOptions& /*aOptions*/ ) 

    {

	RFs fs;

	User::LeaveIfError(fs.Connect());

	CleanupClosePushL(fs); 

	DeserializeL(fs, aFileName);

	CleanupStack::PopAndDestroy(&fs);

	}

// --------------------------------------------------------------------------------------

// Deserialize document

// --------------------------------------------------------------------------------------

//

void CXmlEngDeserializerGZIP::DeserializeL( RFs& aRFs, 

											const TDesC& aFileName,

											const TXmlEngParsingOptions& /*aOptions*/ ) 

    {

    CXmlEngGZipFileDeserializer* deser = CXmlEngGZipFileDeserializer::NewLC( iParser, aRFs, aFileName, KOutputBufferSize );

    while ( deser->InflateL() )

        {

        /* empty */

        }

    CleanupStack::PopAndDestroy( deser );

    }

// --------------------------------------------------------------------------------------

// Deserialize document

// --------------------------------------------------------------------------------------

//

void CXmlEngDeserializerGZIP::DeserializeL( const TDesC8& aBuffer,

											const TXmlEngParsingOptions& /*aOptions*/ ) 

    {

    CXmlEngGZipBufferDeserializeBM* bm = CXmlEngGZipBufferDeserializeBM::NewLC( iParser, aBuffer, KOutputBufferSize );

    CEZDecompressor* decompressor = CEZDecompressor::NewLC( *bm );

    while ( decompressor->InflateL() )

        {

        /* empty */

        }

    CleanupStack::PopAndDestroy( decompressor );

    CleanupStack::PopAndDestroy( bm );

    }

// --------------------------------------------------------------------------------------

// Deserialize document

// --------------------------------------------------------------------------------------

//

void CXmlEngDeserializerGZIP::DeserializeL()

    {

	switch(iSerializationOutput)

		{

		case EDeserializeFromFile:

			{

			if(!iInputFileName)

				{

				User::Leave(KXmlEngErrNoParameters);

				}

		    RFs fs; 

		    CleanupClosePushL(fs);

		    User::LeaveIfError(fs.Connect());    				

		    DeserializeL(fs, iInputFileName->Des());			

			CleanupStack::PopAndDestroy(&fs);

			break;

			}

		case EDeserializeFromBuffer:

			{

			if(iBuffer.Length() == 0)

				{

				User::Leave(KXmlEngErrNoParameters);

				}

			DeserializeL(iBuffer);			

			break;

			}

		default:

			{

			User::Leave(KErrGeneral);

			}						

		}   

    }

// --------------------------------------------------------------------------------------

// Default Constructor

// --------------------------------------------------------------------------------------

//

CXmlEngDeserializerGZIP::CXmlEngDeserializerGZIP()

    {

    }

// --------------------------------------------------------------------------------------

// Destructor

// --------------------------------------------------------------------------------------

//

CXmlEngDeserializerGZIP::~CXmlEngDeserializerGZIP()

    {

    }