utilitylibraries/libutils/src/descriptor16tochar.cpp
changeset 0 e4d67989cc36
child 34 5fae379060a7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/utilitylibraries/libutils/src/descriptor16tochar.cpp	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,335 @@
+/*
+* 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 Descriptor to char * conversions
+ *
+*/
+
+
+ 
+#include "libutils.h"
+  
+
+
+ /**
+   * Converts a descriptor of type TBuf16 to character stream
+   *
+   * @param aSrc is the descriptor to be converted , aDes is the 
+   * reference to the character sream where the result of conversion 
+   * is stored , n_size specifies the conversion size of the string 
+   * @return Status code (0 is ESuccess, -1 is EInsufficientMemory, 
+   * -2 is EInvalidSize , -4 is EInvalidPointer)
+   */
+EXPORT_C int Tbuf16ToChar(TDes16& aSrc, char* aDes, int& n_size)
+{	
+    unsigned int ilen = aSrc.Length();
+    int retval = ESuccess;
+    wchar_t *temp16String = NULL;
+    int minusone = -1;
+    
+    if (0 == ilen)
+    {
+    	return EDescriptorNoData;
+    }
+    else if(!aDes)
+    {
+    	return EInvalidPointer;
+    }
+    
+    else if(n_size < ilen*2+1)
+    {
+    	n_size = ilen*2;
+    	return EInvalidSize;
+    }
+        		
+	temp16String = new wchar_t [ilen+1];
+	if (!temp16String)
+	{
+		return EInsufficientSystemMemory;
+	}
+	
+	wmemcpy(temp16String, (const wchar_t *)aSrc.Ptr(), ilen);
+	temp16String[ilen] = L'\0'; 	
+	
+	if(minusone != wcstombs(aDes, (const wchar_t*)temp16String, ilen*2))
+	{
+	    aDes[ilen*2] = '\0'; 
+	}
+	else 
+	{
+		retval = EInvalidWCSSequence;
+	}
+	
+	delete []temp16String;	
+	return retval;
+}
+
+ /**
+   * Converts a descriptor of type TBufC16 to character stream
+   *
+   * @param aSrc is the descriptor to be converted , aDes is the 
+   * reference to the character sream where the result of conversion 
+   * is stored , n_size specifies the conversion size of the string
+   * @return Status code (0 is ESuccess, -1 is EInsufficientMemory, 
+   * -2 is EInvalidSize , -4 is EInvalidPointer)
+   */	
+EXPORT_C int Tbufc16ToChar(TDesC& aSrc, char* aDes, int& n_size)
+{
+    int retval = ESuccess;
+    unsigned int ilen = 0 ;
+    ilen = aSrc.Length();
+    wchar_t* temp16String = NULL;
+    int minusone = -1;
+    
+    if (0 == ilen)
+    {
+    	return EDescriptorNoData;
+    } 
+    else if (!aDes)
+	{
+		return EInvalidPointer;		
+	}
+	else if(n_size < ilen*2+1)
+    {
+    	n_size = ilen*2 + 1;
+    	return EInvalidSize;
+    }
+
+    temp16String = new wchar_t [ilen+1];
+	if (!temp16String)
+	{
+		return EInsufficientSystemMemory;
+	}
+	
+	wmemcpy(temp16String, (const wchar_t *)aSrc.Ptr(), ilen);
+	temp16String[ilen] = L'\0'; 	
+		
+	if(minusone != wcstombs(aDes, (const wchar_t*)temp16String, ilen*2))
+	{
+	     aDes[ilen*2] = '\0';    
+	}
+	else 
+	{
+		retval = EInvalidWCSSequence;
+	}
+	
+    delete []temp16String;
+	return retval;	
+}
+
+ /**
+   * Converts a descriptor of type TLitc16 to character stream
+   *
+   * @param aSrc is the descriptor to be converted , aDes is the 
+   * reference to the character sream where the result of conversion 
+   * is stored , n_size specifies the  conversion size of the string
+   * @return Status code (0 is ESuccess, -1 is EInsufficientMemory, -2 is EInvalidSize
+   * -3 is EDescriptorNoData , -4 is EInvalidPointer)
+   */
+
+EXPORT_C int Tlitc16ToChar(const TDesC16& aSrc, char* aDes, int& n_size)
+{
+    unsigned int ilen = 0;
+    int retval = ESuccess;
+    ilen = aSrc.Length();
+    wchar_t* temp16String = NULL;
+    int minusone = -1;
+    
+    if (0 == ilen )
+    {
+    	return EDescriptorNoData;
+    }
+    else if ( !aDes )
+    {
+        return EInvalidPointer;
+    }
+    else if (n_size < ilen*2 +1)
+    {
+    	n_size = ilen*2 + 1;
+    	return EInvalidSize;
+    }
+      
+  	
+  	temp16String = new wchar_t [ilen+1];
+	if (!temp16String)
+	{
+		return EInsufficientSystemMemory;
+	}
+	
+	wmemcpy(temp16String, (const wchar_t*)aSrc.Ptr(), ilen);
+	temp16String[ilen] = L'\0'; 
+	
+    if(minusone != wcstombs(aDes, temp16String, ilen*2))
+	{
+	     aDes[ilen*2] = '\0';    
+	}
+	else 
+	{
+		retval = EInvalidWCSSequence;
+	}
+	
+	delete []temp16String;
+	return retval;
+}
+
+ /**
+   * Converts a descriptor of type TPtr16 to character stream
+   *
+   * @param aSrc is the descriptor to be converted , aDes is the 
+   * reference to the character sream where the result of conversion 
+   * is stored , n_size specifies the conversion size of the string
+   * @return Status code (0 is ESuccess, -1 is EInsufficientMemory, 
+   * -2 is EInvalidSize , -4 is EInvalidPointer)
+   */
+
+EXPORT_C int Tptr16ToCharp (const TDes16& aSrc, char* aDes, int& n_size)
+{
+    unsigned int ilen = 0 ;
+    int retval = ESuccess;
+    ilen = aSrc.Length();
+    wchar_t* temp16String = NULL;
+    int minusone = -1;
+    
+	if ( !aDes )
+    {
+        return EInvalidPointer;
+    }
+    else if (n_size < ilen*2+1)
+    {
+    	n_size = ilen*2 + 1;
+    	return EInvalidSize;
+    }
+    
+    temp16String = new wchar_t [ilen+1];
+	if (!temp16String)
+	{
+		return EInsufficientSystemMemory;
+	}
+	
+	wmemcpy(temp16String, (const wchar_t *)aSrc.Ptr(), ilen);
+	temp16String[ilen] = L'\0'; 
+	
+	if(minusone != wcstombs(aDes, temp16String, ilen*2))
+	{
+	     aDes[ilen*2] = '\0';    
+	}
+	else 
+	{
+		retval = EInvalidWCSSequence;
+	}
+	
+	delete []temp16String;
+	return retval;
+}
+
+ /**
+   * Converts a descriptor of type TPtrC16 to character stream
+   *
+   * @param aSrc is the descriptor to be converted , aDes is the
+   * reference to the  character sream where the result of conversion 
+   * is stored , n_size specifies the conversion size of the string
+   * @return Status code (0 is ESuccess, -1 is EInsufficientMemory, 
+   * -2 is EInvalidSize , -4 is EInvalidPointer)
+   */
+
+EXPORT_C int Tptrc16ToCharp(TPtrC16& aSrc, char* aDes, int& n_size)
+{
+    int retval = ESuccess;
+    unsigned int ilen = aSrc.Length();
+    int minusone = -1;
+    wchar_t* temp16String = NULL;
+     
+	if(!aDes)
+    {
+        return EInvalidPointer;
+    }
+    else if (n_size < ilen*2+1)
+    {
+    	n_size = ilen*2+1;
+    	return EInvalidSize;
+    }
+       
+    temp16String = new wchar_t [ilen+1];
+	if (!temp16String)
+	{
+		return EInsufficientSystemMemory;
+	}
+	
+	wmemcpy(temp16String, (const wchar_t *)aSrc.Ptr(), ilen);
+	temp16String[ilen] = L'\0'; 
+	
+	if(minusone != wcstombs(aDes, temp16String, ilen*2))
+	{
+	     aDes[ilen*2] = '\0';    
+	}
+	else 
+	{
+		retval = EInvalidWCSSequence;
+	}
+	
+	delete []temp16String;
+	return retval;
+}
+
+ /**
+   * Converts a descriptor of type RBuf16 to character stream
+   *
+   * @param aSrc is the descriptor to be converted , aDes is the 
+   * reference to the character sream where the result of conversion 
+   * is stored , n_size specifies the conversion size of the string
+   * @return Status code (0 is ESuccess, -1 is EInsufficientMemory, 
+   * -2 is EInvalidSize , -4 is EInvalidPointer)
+   */
+
+EXPORT_C int Rbuf16ToChar(TDes16& aSrc, char* aDes, int& n_size)
+{
+    unsigned int ilen = aSrc.Length();
+    int retval = ESuccess;
+    wchar_t* temp16String = NULL;
+    int minusone = -1;
+    
+    if (0 == ilen)
+    {
+    	return EDescriptorNoData;	
+    } 
+    else if(!aDes)
+	{
+		return EInvalidPointer;
+	}
+	else if (n_size < ilen*2+1)
+	{
+		n_size =  ilen*2+1;
+		return EInvalidSize;
+	}
+    
+    temp16String = new wchar_t [ilen+1];
+	if (!temp16String)
+	{
+		return EInsufficientSystemMemory;
+	}
+	
+	wmemcpy(temp16String,(const wchar_t *) aSrc.Ptr(), ilen);
+	temp16String[ilen] = L'\0'; 
+	
+	if(minusone != wcstombs(aDes, temp16String, ilen*2))
+	{
+	     aDes[ilen*2] = '\0';    
+	}
+	else 
+	{
+		retval = EInvalidWCSSequence;
+	}
+	
+    delete []temp16String;
+	return retval;
+}