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os/ossrv/utilitylibraries/libutils/src/wchartodescriptor8.cpp
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution. 
     1 /*

     2 * Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:   Contains the source for wchar * to Descriptor8 conversions

    15  *

    16 */

    17 

    18 

    19 #include "libutils.h"

    20   

    21 

    22 

    23  /**

    24    * Converts a wchar to a descriptor of type TBuf8

    25    *

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

    27    * reference to the descriptor where the result of conversion 

    28    * is stored 

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

    30    * -3 is EStringNoData, -4 is EInvalidPointer )

    31    */

    32 

    33 EXPORT_C int WcharToTbuf8(const wchar_t* aSrc, TDes8& aDes)

    34 {

    35     int retval = ESuccess;

    36     unsigned int ilen = 0;

    37     int minusone = -1;

    38 	if ( !aSrc )

    39 	{

    40 		return EInvalidPointer;

    41 	}

    42 	else

    43 	{

    44 	    ilen = wcslen(aSrc);

    45 	    if (ilen*2 > aDes.MaxLength())

    46 	    {

    47 	    	return EInsufficientMemory;	

    48 	    } 

    49 	}

    50 	 

    51 	char *CharString = new char[ilen*2];

    52 	

    53 	if (!CharString)

    54 	{

    55 		return EInsufficientSystemMemory;

    56 	}

    57 	

    58 	if(minusone == wcstombs(CharString, (const wchar_t*)aSrc, ilen*2))

    59 	{

    60 		retval = EInvalidWCSSequence;

    61 	}

    62 	else 

    63 	{

    64 		aDes.Copy((unsigned char *)CharString, ilen*2);

    65 	}

    66 	

    67 	delete []CharString;	

    68 	return retval;

    69 }

    70 

    71  /** 

    72    * Converts a wchar to a descriptor of type HBufc8

    73    * 

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

    75    * reference to the descriptor where the result of conversion 

    76    * is stored 

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

    78    */

    79 

    80 EXPORT_C int WcharToHbufc8(const wchar_t* aSrc, HBufC8* aDes)

    81 {

    82     unsigned int wlen = 0, ilendes = 0;

    83     int retval = ESuccess;

    84     int minusone = -1;

    85 	if ( !aSrc || !aDes)

    86 	{

    87 		return EInvalidPointer;

    88 	}

    89 	else

    90 	{

    91 		wlen = wcslen(aSrc);

    92         ilendes = aDes->Length();

    93 	    if(0 == ilendes)

    94 	    {

    95 	        return EUseNewMaxL;

    96 	    }

    97 	    else if (wlen > ilendes)

    98 	    {

    99 	        return EInsufficientMemory;	

   100 	    }

   101 	}

   102     

   103     char *CharString = new char[wlen*2];

   104 	

   105 	if (!CharString)

   106 	{

   107 		return EInsufficientSystemMemory;

   108 	}

   109 	

   110     	

   111 	if(minusone == wcstombs(CharString, aSrc, wlen*2))

   112 	{

   113 		retval = EInvalidWCSSequence;

   114 	}

   115 	else

   116 	{

   117 	    (*aDes) = (const TUint8 *)CharString;	

   118 	}

   119 	

   120 	delete []CharString;

   121 	return retval;

   122 }

   123 

   124  /**

   125    * Converts a wchar to a descriptor of type TPtr8

   126    *

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

   128    * reference to the descriptor where the result of conversion 

   129    * is stored 

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

   131    * -3 is EStringNoData, -4 is EInvalidPointer )

   132    */

   133 

   134 EXPORT_C int WcharpToTptr8(const wchar_t* aSrc, char* cPtr, TPtr8& aDes)

   135 {

   136     int retval = ESuccess;

   137     unsigned int wlen = 0, ilendes = 0;

   138     int minusone = -1;

   139 	if ( !aSrc )

   140 	{

   141 		return EInvalidPointer;

   142 	}

   143 	else 

   144 	{

   145 	    wlen = wcslen(aSrc);

   146 	    ilendes = aDes.MaxLength();

   147 	    if (ilendes < wlen )

   148 	    {

   149 	    	return EInsufficientMemory;

   150 	    }	    	

   151 	}

   152 	

   153 	if(minusone != wcstombs(cPtr, (const wchar_t*)aSrc, wlen))

   154 	{

   155 		aDes.Set((TUint8*)cPtr, wlen, ilendes);	

   156 	}

   157 	else

   158 	{

   159 		retval = EInvalidWCSSequence;

   160 	}

   161 	

   162 	return retval;

   163 }

   164 

   165  /**

   166    * Converts a wchar to a descriptor of type TPtrC8

   167    *

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

   169    * reference to the descriptor where the result of conversion 

   170    * is stored 

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

   172    *  -4 is EInvalidPointer )

   173    */ 

   174  

   175 EXPORT_C int WcharpToTptrc8(const wchar_t* aSrc, char* cPtr, TPtrC8& aDes)

   176 {

   177 

   178     int retval = ESuccess;

   179     unsigned int wlen = 0 ;

   180     int minusone = -1;

   181     

   182 	if ( !aSrc  || !cPtr)

   183 	{

   184 		return EInvalidPointer;

   185 	}

   186 	

   187 	wlen = wcslen(aSrc);

   188 	

   189 	if(minusone != wcstombs(cPtr, (const wchar_t*)aSrc, wlen))

   190 	{

   191 		aDes.Set((TUint8*)cPtr,wlen);

   192 	}

   193 	else

   194 	{

   195 		retval = EInvalidWCSSequence;

   196 	}

   197 	

   198 	return retval;

   199 }

   200 

   201 

   202  /**

   203    * Converts a wchar to a descriptor of type RBuf8

   204    *

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

   206    * reference to the descriptor where the result of conversion 

   207    * is stored 

   208    * @return Status code (0 is ESuccess ,-1 is EInsufficientMemory, -4 is EInvalidPointer )

   209    */

   210 

   211 EXPORT_C int WcharToRbuf8(const wchar_t* aSrc, RBuf8& aDes)

   212 {

   213     int retval = ESuccess;

   214     unsigned  int wlen = 0;

   215     char* buf = NULL;

   216     int minusone = -1;

   217     

   218     if (!aSrc)

   219 	{

   220 		return EInvalidPointer;

   221 	}

   222 	

   223 	wlen = wcslen(aSrc);

   224 

   225 	buf = new char[wlen*2];

   226 	if (!buf)

   227 	{

   228 		return EInsufficientSystemMemory;

   229 	}

   230 

   231 	if(minusone != wcstombs(buf, (const wchar_t*)aSrc, wlen*2))

   232 	{

   233 	  aDes.Copy((const unsigned char *)buf, wlen*2);		

   234 	}

   235 	else

   236 	{

   237 		retval = EInvalidWCSSequence;

   238 	}

   239 	

   240 	delete []buf;

   241 	return retval; 	

   242 }
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