// Copyright (c) 2005-2009 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:

// This file contains methods that to add/remove XmlEngine user

//

#include "libxml2_globals_private.h"

#include <stdapis/libxml2/libxml2_parser.h>

#include <stdapis/libxml2/libxml2_xpath.h>

#include <xml/utils/xmlengxestd.h>

#include <xml/utils/xmlengmem.h>

EXPORT_C void XmlEngLeaveL(TInt aCode)

{

    User::Leave(aCode);

}   

EXPORT_C void XmlEngineCleanup(TAny* aParserContext)

    {

    xmlGlobalStatePtr gs = xeGetTLS();

    if (!gs)

        return; // Note: This should not happen in normal conditions!

    if (aParserContext)

        {

        xmlParserCtxtPtr ctxt = reinterpret_cast<xmlParserCtxtPtr>(aParserContext);

        if(ctxt->myDoc)                     

            {

            xmlFreeDoc(ctxt->myDoc); 

            }

        xmlFreeParserCtxt(ctxt);

        }

#undef xeUserCount

    if(gs->xeUserCount > 1)

        {

        gs->xeUserCount--;

        return;

        }

    xmlCleanupGlobalData();

    }

EXPORT_C void XmlEngineAttachL()

    {

    xmlGlobalStatePtr gs = xeGetTLS();

    if(!gs)

        {

        gs = xmlCreateAndInitializeGlobalState();

        if(!gs)

            {

            OOM_HAPPENED;

            }

        }

#undef xeUserCount

    gs->xeUserCount++;

    }

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

//  This function should have matching call to XmlEnginePopAndClose()

//  (which is CleanupStack::PopAndDestroy() so far but may become more complex)

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

//

EXPORT_C void XmlEnginePushL()

    {

    XmlEngineAttachL();

    CleanupStack::PushL(TCleanupItem(XmlEngineCleanup, NULL));

    }

EXPORT_C void XmlEnginePopAndClose()

    {

    CleanupStack::PopAndDestroy();

    }