utilitylibraries/libutils/src/descriptor16towchar.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 Descriptor16 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 TBuf16 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 stream where the result of conversion 
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   * is stored , n_size specifies the conversion size of the WChar 
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   * @return Status code (0 is ESuccess, -2 is EInvalidSize , 
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   * -4 is EInvalidPointer)
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   */
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EXPORT_C int Tbuf16ToWchar(const TDes16& aSrc, wchar_t* aDes, int& n_size)
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{	
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    unsigned int ilen = aSrc.Length();
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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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	wmemcpy(aDes , (const wchar_t*)aSrc.Ptr(), ilen);
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	aDes[ilen] = L'\0';
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	return ESuccess;	
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}
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/**
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   * Converts a descriptor of type HBufC16 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 stream where the result of conversion 
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   * is stored , n_size specifies the conversion size of the WChar 
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   * @return Status code (0 is ESuccess, -2 is EInvalidSize , 
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   * -4 is EInvalidPointer)
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   */
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EXPORT_C int Hbufc16ToWchar(const HBufC16* aSrc, wchar_t* aDes, int& n_size)
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{	
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    unsigned int ilen = 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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    else 
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    {
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        ilen = aSrc->Length();
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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(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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    }
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	wmemcpy(aDes , (const wchar_t*)aSrc->Ptr(), ilen);
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	aDes[ilen] = L'\0';
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	return ESuccess;	
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}
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 /**
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   * Converts a descriptor of type TBufC16 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 stream where the result of conversion 
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   * is stored , n_size specifies the conversion size of the WChar 
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   * @return Status code (0 is ESuccess, -2 is EInvalidSize , 
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   * -4 is EInvalidPointer)
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   */
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EXPORT_C int Tbufc16ToWchar(TDesC& aSrc, wchar_t* aDes, int& n_size)
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{
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    unsigned int ilen = aSrc.Length();
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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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   116
    {
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   117
    	return EInvalidPointer;
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   118
    }
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   119
	if (n_size < (ilen+1))
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   120
	{
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   121
		n_size = ilen+1; 
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   122
		return EInvalidSize;
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   123
	}
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   124
    
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   125
	wmemcpy(aDes, (wchar_t *)aSrc.Ptr(), ilen);
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   126
	*(aDes + ilen) = L'\0';
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   127
	
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   128
	return ESuccess;	
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   129
}
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   130
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parents:
diff changeset
   131
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   132
 /**
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   133
   * Converts a descriptor of type TLitC16 to WChar
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   134
   *
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   135
   * @param aSrc is the descriptor to be converted , aDes is the 
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   136
   * reference to the WChar stream where the result of conversion 
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   137
   * is stored , n_size specifies the conversion size of the WChar 
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   138
   * @return Status code (0 is ESuccess, -2 is EInvalidSize , 
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   139
   * -4 is EInvalidPointer)
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   140
   */
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   141
EXPORT_C int Tlitc16ToWchar(const TDesC16& aSrc, wchar_t* aDes, int& n_size)
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   142
{
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   143
    unsigned int ilen = aSrc.Length();
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   144
    
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   145
    if (0 == ilen)
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   146
    {
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   147
    	return EDescriptorNoData;
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   148
    }
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   149
    else if ( !aDes )
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   150
    {
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   151
    	return EInvalidPointer;
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   152
    }
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   153
    else if (n_size < (ilen+1))
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parents:
diff changeset
   154
    {
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   155
		n_size = ilen+11 ;
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   156
		return EInvalidSize;    	
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parents:
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   157
    }
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parents:
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   158
    	
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diff changeset
   159
	wmemcpy(aDes , (const wchar_t*)aSrc.Ptr(), ilen);
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   160
	aDes[ilen] = L'\0';
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parents:
diff changeset
   161
    
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   162
    return ESuccess;
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parents:
diff changeset
   163
	
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   164
}
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diff changeset
   165
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   166
 /**
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   167
   * Converts a descriptor of type TPtr16 to WChar
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   168
   *
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   169
   * @param aSrc is the descriptor to be converted , aDes is the 
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   170
   * reference to the WChar stream where the result of conversion 
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   171
   * is stored , n_size specifies the conversion length of the WChar 
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   172
   * @return Status code (0 is ESuccess, -2 is EInvalidSize , 
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   173
   * -4 is EInvalidPointer)
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   174
   */
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   175
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   176
EXPORT_C int Tptr16ToWcharp(const TPtr16& aSrc ,wchar_t* aDes, int& n_size)
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   177
{
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   178
    unsigned int ilen = aSrc.Length();
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   179
    
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   180
    if (0 == ilen)
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   181
    {
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   182
    	return EDescriptorNoData;
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   183
    }
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   184
    else if(!aDes)
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diff changeset
   185
    {
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diff changeset
   186
    	return EInvalidPointer;
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diff changeset
   187
    }
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   188
	else if(n_size < ilen)
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parents:
diff changeset
   189
	{   
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   190
		n_size = ilen;
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parents:
diff changeset
   191
		return EInvalidSize;
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diff changeset
   192
	}   
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parents:
diff changeset
   193
	
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   194
	wmemcpy(aDes, (const wchar_t*)aSrc.Ptr(), ilen);
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   195
	aDes[ilen] = L'\0';
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parents:
diff changeset
   196
	
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   197
	return ESuccess;
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diff changeset
   198
}
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diff changeset
   199
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diff changeset
   200
 /**
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parents:
diff changeset
   201
   * Converts a descriptor of type TPtrC16 to WChar
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parents:
diff changeset
   202
   *
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parents:
diff changeset
   203
   * @param aSrc is the descriptor to be converted , aDes is the 
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parents:
diff changeset
   204
   * reference to the WChar stream where the result of conversion 
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parents:
diff changeset
   205
   * is stored , n_size specifies the conversion length of the WChar 
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   206
   * @return Status code (0 is ESuccess, -2 is EInvalidSize , 
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   207
   * -4 is EInvalidPointer)
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parents:
diff changeset
   208
   */
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parents:
diff changeset
   209
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diff changeset
   210
EXPORT_C int Tptrc16ToWcharp(TPtrC16& aSrc, wchar_t* aDes, int& n_size)
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   211
{
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   212
    unsigned int ilen = aSrc.Length();
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diff changeset
   213
    
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parents:
diff changeset
   214
    if (0 == ilen)
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parents:
diff changeset
   215
    {
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   216
    	return EDescriptorNoData;
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parents:
diff changeset
   217
    }
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parents:
diff changeset
   218
    else if (!aDes)
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parents:
diff changeset
   219
    {
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diff changeset
   220
    	return EInvalidPointer;
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parents:
diff changeset
   221
    }
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parents:
diff changeset
   222
	else if (n_size < (ilen+1))
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parents:
diff changeset
   223
	{
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   224
		n_size = ilen+1;
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   225
		return EInvalidSize;
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parents:
diff changeset
   226
	}
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parents:
diff changeset
   227
	
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   228
	wmemcpy(aDes , (const wchar_t*)aSrc.Ptr(),ilen);
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   229
	aDes[ilen] = L'\0';
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parents:
diff changeset
   230
	
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diff changeset
   231
    return ESuccess;
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parents:
diff changeset
   232
}
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 /**
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   * Converts a descriptor of type RBuf16 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 stream where the result of conversion 
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   * is stored , n_size specifies the conversion length of the WChar 
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   * @return Status code (0 is ESuccess, -2 is EInvalidSize , 
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   * -4 is EInvalidPointer , -5 is EDESCRIPTORNDATA)
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   */
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EXPORT_C int Rbuf16ToWchar(TDes16& aSrc, wchar_t* aDes, int& n_size)
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{
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    unsigned int ilen = aSrc.Length();
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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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    wmemcpy (aDes,(const wchar_t *)aSrc.Ptr(), ilen);
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    aDes[ilen] = L'\0';
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	return ESuccess;   
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}