utilitylibraries/libutils/src/wstringtodescriptor16.cpp
changeset 0 e4d67989cc36
child 34 5fae379060a7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/utilitylibraries/libutils/src/wstringtodescriptor16.cpp	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,182 @@
+/*
+* 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 wstring to Descriptor16 conversions
+ *
+*/
+
+
+
+#include "libutils.h"
+  
+
+
+ /**
+   * Converts a wstring to a descriptor of type TBufc16
+   *
+   * @param aSrc is the wstring 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 WstringToTbuf16(wstring& aSrc, TDes16& aDes)
+{
+    int retval = ESuccess;
+    const wchar_t* wcharString = aSrc.c_str();
+    
+    if (L'\0' == wcharString[0])
+    {
+    	return EStringNoData;
+    }
+    
+    int len= wcslen(wcharString);
+    if ((wcslen(wcharString)) > aDes.MaxLength())
+    if (len > aDes.MaxLength())
+    {
+    	return EInsufficientMemory;
+    }
+    
+	aDes.Copy((const TUint16*)wcharString);
+	
+    return retval;	
+}
+
+ /**
+   * Converts a wstring to a descriptor of type TPtr16
+   *
+   * @param aSrc is the wstring 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 WstringToTptr16(wstring& aSrc, TPtr16& aDes )
+{
+    const wchar_t* wcharString = aSrc.c_str();
+    unsigned int wlen = 0 , maxlen =0; 
+    
+    if (L'\0' == wcharString[0])
+    {
+    	return EStringNoData;
+    }
+    
+    wlen = wcslen(wcharString);
+    maxlen = aDes.MaxLength();
+    
+    if (maxlen < wlen)
+    {
+    	return EInsufficientMemory;
+    }
+    
+	aDes.Set((unsigned short *)wcharString, wlen, maxlen);
+	return ESuccess;
+}
+
+ /**
+   * Converts a wstring to a descriptor of type TPtrC16
+   *
+   * @param aSrc is the wstring 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 WstringToTptrc16(wstring& aSrc, TPtrC16& aDes)
+{
+  
+    const wchar_t* wcharString = aSrc.c_str();
+    
+    if (L'\0' == wcharString[0])
+    {
+    	return EStringNoData;
+    }
+    
+	aDes.Set((TUint16 *)(wcharString));
+	return ESuccess;
+}
+
+ /**
+   * Converts a wstring to a descriptor of type HBufc16
+   *
+   * @param aSrc is the Wstring 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 WstringToHbufc16(wstring& aSrc, HBufC16* aDes)
+{
+    unsigned int ilendes = 0; 
+    const wchar_t* wcharString = aSrc.c_str();
+    
+    if (L'\0' == wcharString[0])
+    {
+    	return EStringNoData;
+    }
+    else if (!aDes)
+    {
+    	return EInvalidPointer;
+    }
+    
+    ilendes = aDes->Length();
+    
+    if (0 == ilendes)
+    {
+    	return EUseNewMaxL;
+    }
+    else if (ilendes < wcslen(wcharString))
+    {
+    	return EInsufficientMemory;
+    }
+
+	*aDes = (TUint16*)wcharString;
+	
+	return ESuccess;	
+}
+ 
+ /**
+   * Converts a wstring to a descriptor of type RBufc16
+   *
+   * @param aSrc is the wstring 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 WstringToRbuf16(const wstring& aSrc, RBuf16& aDes)
+{
+    unsigned int wlen =0;
+    int retval = ESuccess;
+    const wchar_t* wcharString = aSrc.c_str();
+    
+    if (L'\0' == wcharString[0])
+    {
+    	return EStringNoData;
+    }
+    
+    wlen = wcslen(wcharString);
+    
+    if (KErrNone == aDes.Create(wlen))
+    {
+        aDes.Copy((const unsigned short *)wcharString, wlen);	
+    }
+    else 
+    {
+    	retval = EInsufficientSystemMemory;
+    }
+	
+	return retval;
+}