utilitylibraries/libutils/src/wchartodescriptor16.cpp
author Pat Downey <patd@symbian.org>
Wed, 01 Sep 2010 12:36:54 +0100
branchRCL_3
changeset 57 2efc27d87e1c
parent 56 acd3cd4aaceb
permissions -rw-r--r--
Revert incorrect RCL_3 drop: Revision: 201021 Kit: 201035
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/*
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* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:   Contains the source for wchar * to Descriptor16 conversions
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 *
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*/
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#include "libutils.h"
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 /**
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   * Converts a wchar to a descriptor of type TBufc16
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   *
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   * @param aSrc is the wchar to be converted , aDes is the 
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   * reference to the descriptor where the result of conversion 
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   * is stored 
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   * @return Status code (0 is ESuccess,-1 is EInsufficientMemory,
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   * -3 is EStringNoData, -4 is EInvalidPointer )
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   */
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EXPORT_C int WcharToTbuf16(const wchar_t* aSrc, TDes16& aDes)
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{
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    unsigned int ilen = 0;
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	if ( !aSrc )
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	{
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		return EInvalidPointer;
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	}
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	else
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	{
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		ilen = wcslen(aSrc);
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		if(ilen > aDes.MaxLength())
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		{
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			return EInsufficientMemory; 
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		}	
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	}
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	aDes.Copy((const TUint16*)aSrc, ilen);
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	return ESuccess;
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}
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 /**
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   * Converts a wchar to a descriptor of type HBufc16
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   *
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   * @param aSrc is the Wstring to be converted , aDes is the 
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   * reference to the descriptor where the result of conversion 
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   * is stored 
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   * @return Status code (0 is ESuccess, -1 is EInsufficientMemory, 
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   * -3 is EStringNoData )
0
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   */
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EXPORT_C  int WcharToHbufc16 (const wchar_t* aSrc ,HBufC16* aDes )
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{
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    unsigned int ilendes = 0;
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	if ( !aSrc || !aDes)
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	{
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		return EInvalidPointer;
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	}
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	ilendes = aDes->Length();
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	if (0 == ilendes)
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	{
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		return EUseNewMaxL;
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	}
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	else if (ilendes < wcslen(aSrc))
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	{
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		return EInsufficientMemory;
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	}
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	*aDes = (const TUint16*)aSrc;		
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	return ESuccess;
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}
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 /**
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   * Converts a wchar to a descriptor of type TPtr16
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   *
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   * @param aSrc is the wchar to be converted , aDes is the 
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   * reference to the descriptor where the result of conversion 
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   * is stored 
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   * @return Status code (0 is ESuccess,-1 is EInsufficientMemory,
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   * -3 is EStringNoData, -4 is EInvalidPointer )
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   */
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EXPORT_C int WcharpToTptr16(const wchar_t* aSrc, TPtr16& aDes)
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{
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    unsigned int ilen = 0, ilendes = 0;
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	if ( !aSrc )
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	{
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		return EInvalidPointer;
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	}
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	ilen = wcslen(aSrc);
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	ilendes =  aDes.MaxLength();
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	if (ilendes < ilen)
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	{
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		return EInsufficientMemory;
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	}
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	aDes.Set((unsigned short*) aSrc, ilen, ilendes);
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	return ESuccess;
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}
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 /**
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   * Converts a wchar to a descriptor of type TPtrC16
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   *
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   * @param aSrc is the wchar to be converted , aDes is the 
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   * reference to the descriptor where the result of conversion 
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   * is stored 
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   * @return Status code (0 is ESuccess,-1 is EInsufficientMemory,
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   * -3 is EStringNoData, -4 is EInvalidPointer )
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   */
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EXPORT_C int WcharpToTptrc16(const wchar_t* aSrc, TPtrC16& aDes)
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{
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	if (!aSrc)
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	{
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		return EInvalidPointer;
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	}
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	aDes.Set((TUint16 *)(aSrc), wcslen(aSrc));
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	return ESuccess;
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}
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 /**
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   * Converts a wchar to a descriptor of type RBuf16
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   *
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   * @param aSrc is the wchar to be converted , aDes is the 
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   * reference to the descriptor where the result of conversion 
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   * is stored 
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   * @return Status code (0 is ESuccess ,-1 is EInsufficientMemory -3 is EStringNoData )
0
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   */
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EXPORT_C int WcharToRbuf16(const wchar_t* aSrc, RBuf16& aDes)
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{
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    int retval = ESuccess;
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    unsigned int wlen = 0; 
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    if ( !aSrc )
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	{
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		return EInvalidPointer;
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	}
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	wlen = wcslen(aSrc);
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    if (KErrNone == aDes.Create(wlen))
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    {
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    	aDes.Copy((const unsigned short *)aSrc, wlen);	
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    }
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	else 
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	{
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		retval = EInsufficientSystemMemory;
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	}
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0
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	return retval;
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}