// Copyright (c) 1997-2009 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:

//

#include <versittls.h>

// User includes

#include <vutil.h>

#include "VersitAdditionalStorage.h"

/*CVersitTlsData*/

/*

 * Note: If you are going to create a parser and delete it again soon afterwards and repeat this many times it would be advantagous

 * to get your own handle to the Versit TLS data as this will stop the TLS data being repeatedly created and destroyed.

 *

 * Returns a reference to the TLS and increments the count of accesser 

 */

EXPORT_C CVersitTlsData& CVersitTlsData::VersitTlsDataL()

/** Returns a reference to the current Thread Local Storage (TLS) object or, if 

there isn't one, it creates one.

If a new TLS object is being created, the object also creates (and owns) a 

Unicode utilities object, and creates a Unicode converter using this object.

If creating a new object, it calls the CVersitUnicodeUtils constructor followed 

by CVersitUnicodeUtils::CreateConverterL().

@return The current Thread Local Storage object. */

	{

	CVersitTlsData* self = static_cast<CVersitTlsData*>(Dll::Tls());

	if	(!self)

		self = NewL();

	++self->iRefCount;

	return *self;

	}

/*

 * Close the Thread Local Storage

 *

 * Deletes the data from TLS if the number of user is none.

 *

 * Note: Only use this static version if you don't have a handle to a <code>CVersitTlsData<\code> class.

 */

EXPORT_C void CVersitTlsData::CloseVersitTlsData()

	{

	CVersitTlsData* self = static_cast<CVersitTlsData*>(Dll::Tls());

	if (self)

		self->VersitTlsDataClose();

	}

EXPORT_C void CVersitTlsData::VersitTlsDataClose()

/** Frees all resources owned by the object if there are no parsers left (i.e. 

created and not destroyed), prior to its destruction. */

	{

	if (--iRefCount<=0)

		{

		delete this;

		}

	}

CVersitTlsData* CVersitTlsData::NewL()

	{

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

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	Dll::SetTls(self);

	self->iRefCount=0;		//Defensive code

	return self;

	}

CVersitTlsData::~CVersitTlsData()

	{

	Dll::SetTls(NULL);

	delete iUnicodeUtils;

    delete iAdditionalStorage;

	}

void CVersitTlsData::ConstructL()

	{

	iUnicodeUtils = new(ELeave) CVersitUnicodeUtils();

	iUnicodeUtils->CreateConverterL();

    iAdditionalStorage = CVersitAdditionalStorage::NewL();

	}