/*

* 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 string to Descriptor8 conversions

 *

*/

#include "libutils.h"

 /**

   * Converts a string to a descriptor of type TBuf8

   *

   * @param aSrc is the string 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)

   */

EXPORT_C  int StringToTbuf8(string& aSrc, TDes8& aDes)

{

    const char* charString = aSrc.c_str();

    if('\0' == charString[0])

    {

    	return EStringNoData;

    }

    if (aDes.MaxLength() < strlen(charString))

    {

    	return EInsufficientMemory;

    }

	aDes = (const TUint8*)(charString);

	return ESuccess;

}

 /**

   * Converts a string to a descriptor of type Tptrc8

   *

   * @param aSrc is the string 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)

   */

EXPORT_C int StringToTptrc8(string& aSrc, TPtrC8& aDes)

{    

    const char* charString = aSrc.c_str();

    if ('\0' == charString[0])

    {

        return EStringNoData;

    }

    aDes.Set(TPtrC8((TUint8 *)(charString)));

    return ESuccess; 

} 

 /**

   * Converts a string to a descriptor of type TPtr8

   *

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

   * reference to the descriptor where the result of conversion 

   * is stored

   * @return Status code (0 is ESuccess, -3 is EStringNoData)

   */

EXPORT_C  int StringToTptr8 (string& aSrc, TPtr8& aDes)

{

    const char* charString = aSrc.c_str();

    if ('\0' == charString[0])

    {

    	return EStringNoData;

    }

    unsigned int ilen = strlen(charString);

    unsigned int ideslen = aDes.MaxLength();

    if(ilen > ideslen)

    {

        return EInsufficientMemory;

    }

    aDes.Set((unsigned char *)charString, ilen, ideslen);

  	return ESuccess;	

} 

 /**

   * Converts a string to a descriptor of type HBufc8

   *

   * @param aSrc is the string 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 , -5 is EUSENEWMAXL )

   */

EXPORT_C int StringToHbufc8(string& aSrc , HBufC8* aDes)

{

    unsigned int ilendes = 0;

    const char* charString = aSrc.c_str();

    if ('\0' == charString[0])

    {

    	return EStringNoData;

    }

    else if (!aDes)

    {

    	return EInvalidPointer;

    }

	ilendes = aDes->Length();

	if(0 == ilendes)

	{

		return EUseNewMaxL;

	}

	if (ilendes < strlen(charString))

	{

		return EInsufficientMemory;

	}

	*aDes = (const TUint8*)charString;

	return ESuccess;

}

 /**

   * Converts a string to a descriptor of type RBuf8

   *

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

   * reference to the descriptor where the result of conversion 

   * is stored

   * @return Status code (0 is ESuccess,-3 is EStringNoData)

   */  

EXPORT_C int StringToRbuf8(const string& aSrc, RBuf8& aDes)

{

    int retval = ESuccess;

    const char* charString = aSrc.c_str();

    if ('\0' == charString[0])

    {

        return EStringNoData;

    }

    int ilen = strlen(charString);

    if (KErrNone == aDes.Create(ilen))

    {

    	aDes.Copy((const unsigned char *)charString, ilen);	

    }

	else 

	{

        retval = EInsufficientSystemMemory;	

	}

	return retval;

}