utilitylibraries/libutils/src/descriptor8towchar.cpp
author hgs
Wed, 13 Oct 2010 19:39:18 +0530
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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 Descriptor8 to wchar * 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 descriptor of type TBuf8 to wchar
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   *
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   * @param aSrc is the descriptor to be converted , aDes is the 
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   * reference to the wchar array 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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   *  -2 is EInvalidSize , -4 is EInvalidPointer , -5 is EDescriptorNoData)
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   */
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EXPORT_C int Tbuf8ToWchar(TDes8& aSrc, wchar_t* aDes, int& n_size)
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{	
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    int retval = ESuccess;	
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    unsigned int ilen = aSrc.Length();
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    int minusone = -1;
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    if(0 == ilen)
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    {
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    	return EDescriptorNoData;
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    }
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    else if(!aDes)
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    {
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    	return EInvalidPointer;
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    }
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    else if(n_size < ilen+1)
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    {	
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        n_size = ilen+1; 
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    	return EInvalidSize;
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    }	
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	if(minusone != mbstowcs(aDes, (const char*)aSrc.Ptr(), ilen))
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	{
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	    *(aDes + ilen) = L'\0';	
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	}
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	else 
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	{
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		retval = EInvalidMBSSequence;
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	}
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	return retval;			
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}		
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 /**
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   * Converts a descriptor of type TBufc8 to wchar
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   *
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   * @param aSrc is the descriptor to be converted , aDes is the 
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   * reference to the wchar array 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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   *  -2 is EInvalidSize , -4 is EInvalidPointer , -5 is EDescriptorNoData)
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   */
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EXPORT_C int Tbufc8ToWchar(TDesC8& aSrc, wchar_t* aDes, int& n_size)
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{
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    int retval = ESuccess;
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    unsigned int ilen = aSrc.Length();
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    int minusone = -1;
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    if(0 == ilen)
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    {
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    	return EDescriptorNoData;
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    }
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    else if(!aDes)
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    {
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    	return EInvalidPointer;
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    }
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    else if (n_size < ilen+1)
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	{
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		n_size = ilen+1;
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		return EInvalidSize;
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	}
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	if(minusone != mbstowcs(aDes, (const char *)aSrc.Ptr(), ilen))
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	{
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		aDes[ilen] = L'\0';
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	}
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	else 
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	{
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		retval = EInvalidMBSSequence;
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	}
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	return retval;
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}
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 /**
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   * Converts a descriptor of type TLitc8 to wchar
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   *
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   * @param aSrc is the descriptor to be converted , aDes is the 
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   * reference to the wchar array 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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   *  -2 is EInvalidSize , -4 is EInvalidPointer , -5 is EDescriptorNoData)
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   */
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   117
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   118
EXPORT_C int Tlitc8ToWchar( const TDesC8& aSrc, wchar_t* aDes, int& n_size)
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{ 
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    int retval = ESuccess;
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    unsigned int ilen = aSrc.Length();
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    int minusone = -1;
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   123
    
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   124
    if (0 == ilen )
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   125
    {
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    	return EDescriptorNoData;
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    }
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   128
    else if ( !aDes )
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   129
    {
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    	return EInvalidPointer;
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   131
    }
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    else if (n_size < ilen+1)
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   133
    {
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		n_size = ilen+1 ;
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   135
		return EInvalidSize;    	
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   136
    }
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   137
	
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   138
	if(minusone != mbstowcs(aDes, (const char*)aSrc.Ptr(), ilen ))
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   139
	{
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	    aDes[ilen] = L'\0'; 
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   141
	}
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   142
	else 
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   143
	{
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   144
		retval = EInvalidMBSSequence;
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   145
	}
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   146
	
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   147
	return retval;	
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   148
}
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   149
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   150
 /**
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   *Converts a descriptor of type TPtr8 to Wchar
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   152
   *@param aSrc is the descriptor to be converted , aDes is the 
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   153
   *reference to the wchar array where the result of conversion 
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   154
   *is stored  
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   155
   *@return Status code (0 is ESuccess, -1 is EInsufficientMemory, 
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   156
   * -2 is EInvalidSize , -4 is EInvalidPointer , -5 is EDescriptorNoData)
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   157
   */
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   158
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   159
EXPORT_C int Tptr8ToWcharp(const TPtr8& aSrc, wchar_t* aDes, int& n_size)
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{
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   161
   
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   162
    int retval = ESuccess;
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   163
    unsigned int ilen = aSrc.Length();
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   164
    int minusone = -1;
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   165
    
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   166
    if (0 == ilen)
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   167
    {
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   168
    	return EDescriptorNoData;
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   169
    }
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   170
    else if(!aDes)
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   171
    {
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   172
    	return EInvalidPointer;
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   173
    } 
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   174
	else if(n_size < ilen+1)
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parents:
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   175
    {
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        n_size = ilen+1 ;
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   177
    	return EInvalidSize;
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   178
    }
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   179
	
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   180
	if(minusone != mbstowcs(aDes, (const char*)aSrc.Ptr(), ilen))
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   181
	{
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   182
	    aDes[ilen] = L'\0';
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   183
	}
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   184
	else 
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   185
	{
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   186
		retval = EInvalidMBSSequence;
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   187
	}
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   188
	
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   189
	return retval;
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   190
}
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   191
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   192
 /**
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   193
   *Converts a descriptor of type TPtrc to Wchar
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parents:
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   194
   *
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   195
   *@param aSrc is the descriptor to be converted , aDes is the 
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   196
   *reference to the wchar array where the result of conversion 
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   197
   *is stored  
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   198
   *@return Status code (0 is ESuccess, -1 is EInsufficientMemory, 
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parents:
diff changeset
   199
   * -2 is EInvalidSize , -4 is EInvalidPointer , -5 is EDescriptorNoData)
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   200
   */
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diff changeset
   201
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   202
EXPORT_C int Tptrc8ToWcharp(TPtrC8& aSrc, wchar_t* aDes, int& n_size)
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parents:
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   203
{
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   204
    int retval = ESuccess;
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   205
    unsigned int ilen = aSrc.Length();
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   206
    int minusone = -1;
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   207
    
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   208
    if (0 == ilen)
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parents:
diff changeset
   209
    {
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   210
    	return EDescriptorNoData;
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   211
    }
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   212
    else if(!aDes)
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parents:
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   213
    {
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   214
    	return EInvalidPointer;
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diff changeset
   215
    }
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parents:
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   216
	else if(n_size < ilen)
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parents:
diff changeset
   217
	{
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   218
		n_size = ilen;
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   219
		return EInvalidSize;
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   220
	}
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parents:
diff changeset
   221
	
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   222
	if(minusone != mbstowcs(aDes, (const char*)aSrc.Ptr(), ilen))
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parents:
diff changeset
   223
	{
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   224
	    aDes[ilen] = L'\0';
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parents:
diff changeset
   225
	}
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parents:
diff changeset
   226
	else 
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parents:
diff changeset
   227
	{
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   228
		retval = EInvalidMBSSequence;
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   229
	}
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parents:
diff changeset
   230
	
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   231
	return retval;	
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diff changeset
   232
}
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 /**
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   *Converts a descriptor of type Rbuf8 to Wchar
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   *
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   *@param aSrc is the descriptor to be converted , aDes is the 
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   *reference to the wchar array 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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   * -2 is EInvalidSize , -4 is EInvalidPointer , -5 is EDescriptorNoData)
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   */
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EXPORT_C int Rbuf8ToWchar(TDes8& aSrc, wchar_t* aDes, int& n_size)
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{
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    int retval = ESuccess;
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    unsigned int ilen = aSrc.Length();
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    int minusone = -1;
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    if (0 == ilen )
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    {
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    	return EDescriptorNoData;
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    }
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    else if(!aDes)
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    {
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    	return EInvalidPointer;
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    }
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    else if (n_size < ilen)
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	{
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		n_size = ilen + 1;
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		return EInvalidSize;
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	}
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	if(minusone != mbstowcs(aDes, (const char*)aSrc.Ptr(), ilen))
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	{
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		*(aDes + ilen) = L'\0';
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	}
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	else
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	{
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		retval = EInvalidMBSSequence;
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	}
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   272
			
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	return retval;
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}
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/**
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   *Converts a descriptor of type Rbuf8 to Wchar
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   *
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   *@param aSrc is the descriptor to be converted , aDes is the 
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   *reference to the wchar array 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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   * -2 is EInvalidSize , -4 is EInvalidPointer , -5 is EDescriptorNoData)
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   */
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EXPORT_C int HBufc8ToWchar(HBufC8* aSrc, wchar_t* aDes, int& n_size)
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{
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    int retval = ESuccess;
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    unsigned int ilen = 0;
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    int minusone = -1;
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    if(!aDes || !aSrc)
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   293
    {
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    	return EInvalidPointer;
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    }
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    else
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   297
    {
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    	int ilen = aSrc->Length();
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    	if (0 == ilen )
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   300
        {
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    	    return EDescriptorNoData;
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        }
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        else if (n_size < ilen)
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	    {
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		    n_size = ilen + 1;
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		    return EInvalidSize;
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	    }
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    }
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   309
    
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	if(minusone != mbstowcs(aDes, (const char*)aSrc->Ptr(), ilen))
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   311
	{
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		*(aDes + ilen) = L'\0';
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	}
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	else
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   315
	{
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		retval = EInvalidMBSSequence;
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   317
	}
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   318
			
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	return retval;
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}