/*

* Copyright (c) 2008 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:   Contains the source for wchar * to Descriptor16 conversions

 *

*/

#include "libutils.h"

 /**

   * Converts a wchar to a descriptor of type TBufc16

   *

   * @param aSrc is the wchar to be converted , aDes is the 

   * reference to the descriptor where the result of conversion 

   * is stored 

   * @return Status code (0 is ESuccess,-1 is EInsufficientMemory,

   * -3 is EStringNoData, -4 is EInvalidPointer )

   */

EXPORT_C int WcharToTbuf16(const wchar_t* aSrc, TDes16& aDes)

{

    unsigned int ilen = 0;

	if ( !aSrc )

	{

		return EInvalidPointer;

	}

	else

	{

		ilen = wcslen(aSrc);

		if(ilen > aDes.MaxLength())

		{

			return EInsufficientMemory; 

		}	

	}

	aDes.Copy((const TUint16*)aSrc, ilen);

	return ESuccess;

}

 /**

   * Converts a wchar to a descriptor of type HBufc16

   *

   * @param aSrc is the Wstring to be converted , aDes is the 

   * reference to the descriptor where the result of conversion 

   * is stored 

   * @return Status code (0 is ESuccess, -1 is EInsufficientMemory, 

   */

EXPORT_C  int WcharToHbufc16 (const wchar_t* aSrc ,HBufC16* aDes )

{

    unsigned int ilendes = 0;

	if ( !aSrc || !aDes)

	{

		return EInvalidPointer;

	}

	ilendes = aDes->Length();

	if (0 == ilendes)

	{

		return EUseNewMaxL;

	}

	else if (ilendes < wcslen(aSrc))

	{

		return EInsufficientMemory;

	}

	*aDes = (const TUint16*)aSrc;		

	return ESuccess;

}

 /**

   * Converts a wchar to a descriptor of type TPtr16

   *

   * @param aSrc is the wchar to be converted , aDes is the 

   * reference to the descriptor where the result of conversion 

   * is stored 

   * @return Status code (0 is ESuccess,-1 is EInsufficientMemory,

   * -3 is EStringNoData, -4 is EInvalidPointer )

   */

EXPORT_C int WcharpToTptr16(const wchar_t* aSrc, TPtr16& aDes)

{

    unsigned int ilen = 0, ilendes = 0;

	if ( !aSrc )

	{

		return EInvalidPointer;

	}

	ilen = wcslen(aSrc);

	ilendes =  aDes.MaxLength();

	if (ilendes < ilen)

	{

		return EInsufficientMemory;

	}

	aDes.Set((unsigned short*) aSrc, ilen, ilendes);

	return ESuccess;

}

 /**

   * Converts a wchar to a descriptor of type TPtrC16

   *

   * @param aSrc is the wchar to be converted , aDes is the 

   * reference to the descriptor where the result of conversion 

   * is stored 

   * @return Status code (0 is ESuccess,-1 is EInsufficientMemory,

   * -3 is EStringNoData, -4 is EInvalidPointer )

   */

EXPORT_C int WcharpToTptrc16(const wchar_t* aSrc, TPtrC16& aDes)

{

	if (!aSrc)

	{

		return EInvalidPointer;

	}

	aDes.Set((TUint16 *)(aSrc), wcslen(aSrc));

	return ESuccess;

}

 /**

   * Converts a wchar to a descriptor of type RBuf16

   *

   * @param aSrc is the wchar to be converted , aDes is the 

   * reference to the descriptor where the result of conversion 

   * is stored 

   */

EXPORT_C int WcharToRbuf16(const wchar_t* aSrc, RBuf16& aDes)

{

    int retval = ESuccess;

    unsigned int wlen = 0; 

    if ( !aSrc )

	{

		return EInvalidPointer;

	}

	wlen = wcslen(aSrc);

	return retval;

}