1 // Copyright (c) 1997-2009 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 //

    15 

    16 #include <versittls.h>

    17 

    18 // User includes

    19 #include <vutil.h>

    20 #include "VersitAdditionalStorage.h"

    21 

    22 /*CVersitTlsData*/

    23 

    24 /*

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

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

    27  *

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

    29  */

    30 EXPORT_C CVersitTlsData& CVersitTlsData::VersitTlsDataL()

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

    32 there isn't one, it creates one.

    33 

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

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

    36 

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

    38 by CVersitUnicodeUtils::CreateConverterL().

    39 

    40 @return The current Thread Local Storage object. */

    41 	{

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

    43 	if	(!self)

    44 		self = NewL();

    45 	++self->iRefCount;

    46 	return *self;

    47 	}

    48 

    49 /*

    50  * Close the Thread Local Storage

    51  *

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

    53  *

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

    55  */

    56 EXPORT_C void CVersitTlsData::CloseVersitTlsData()

    57 	{

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

    59 	if (self)

    60 		self->VersitTlsDataClose();

    61 	}

    62 

    63 EXPORT_C void CVersitTlsData::VersitTlsDataClose()

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

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

    66 	{

    67 	if (--iRefCount<=0)

    68 		{

    69 		delete this;

    70 		}

    71 	}

    72 

    73 CVersitTlsData* CVersitTlsData::NewL()

    74 	{

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

    76 	CleanupStack::PushL(self);

    77 	self->ConstructL();

    78 	CleanupStack::Pop(self);

    79 	Dll::SetTls(self);

    80 	self->iRefCount=0;		//Defensive code

    81 	return self;

    82 	}

    83 

    84 

    85 CVersitTlsData::~CVersitTlsData()

    86 	{

    87 	Dll::SetTls(NULL);

    88 	delete iUnicodeUtils;

    89     delete iAdditionalStorage;

    90 	}

    91 

    92 

    93 void CVersitTlsData::ConstructL()

    94 	{

    95 	iUnicodeUtils = new(ELeave) CVersitUnicodeUtils();

    96 	iUnicodeUtils->CreateConverterL();

    97     iAdditionalStorage = CVersitAdditionalStorage::NewL();

    98 	}