sl@0: /*
sl@0: * Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description:   Contains the source for Descriptor8 to char * conversions
sl@0:  *
sl@0: */
sl@0: 
sl@0: 
sl@0:  
sl@0: #include "libutils.h"
sl@0:   
sl@0: 
sl@0: 	
sl@0:  /**
sl@0:    * Converts a descriptor of type TBuf8 to char*
sl@0:    * @param aSrc is the descriptor of type TBuf8 that is to be converted to char*
sl@0:    * @param aDes is a char* that will hold the result after conversion. Care should be taken to 
sl@0:    * allocate sufficient amount of memory to char* in the calling function. The amount of memory that is
sl@0:    * being allocated to the char* is being made known using n_size
sl@0:    * @param n_size is the size of the char*. This should have a minimum value equal to size of the 
sl@0:    * descriptor. Incase its less, the conversion is going to fail and returns the corresponding error code
sl@0:    */
sl@0: 
sl@0: EXPORT_C int Tbuf8ToChar(TDes8& aSrc, char* aDes, int& n_size)
sl@0: {	
sl@0:     unsigned int ilen = aSrc.Length();
sl@0:     
sl@0:     if (0 == ilen)
sl@0:     {
sl@0:     	return EDescriptorNoData;
sl@0:     }
sl@0: 	else if(!aDes)
sl@0: 	{
sl@0: 		return EInvalidPointer;
sl@0: 	}
sl@0: 	else if (n_size < (ilen+1))
sl@0: 	{
sl@0: 		n_size = ilen + 1;
sl@0: 		return EInvalidSize;
sl@0: 	}
sl@0: 
sl@0: 	memcpy(aDes , (const char *)aSrc.Ptr(), ilen);
sl@0: 	
sl@0: 	aDes[ilen] = '\0';
sl@0: 		
sl@0: 	return ESuccess;
sl@0: }
sl@0: 
sl@0:  /**
sl@0:     * Converts a descriptor of type TBufC8 to char*
sl@0:    * @param aSrc is the descriptor of type TBufC8 that is to be converted to char*
sl@0:    * @param aDes is a char* that will hold the result after conversion. Care should be taken to 
sl@0:    * allocate sufficient amount of memory to char* in the calling function. The amount of memory that is
sl@0:    * being allocated to the char* is being made known using n_size
sl@0:    * @param n_size is the size of the char*. This should have a minimum value equal to size of the 
sl@0:    * descriptor. Incase its less, the conversion is going to fail and returns the corresponding error code
sl@0:    */
sl@0: 
sl@0: EXPORT_C int Tbufc8ToChar(TDesC8& aSrc, char* aDes, int& n_size)
sl@0: {	
sl@0:     unsigned int ilen = aSrc.Length();
sl@0:     
sl@0:     if (0 == ilen)
sl@0:     {
sl@0:     	return EDescriptorNoData;
sl@0:     }
sl@0:     else if(!aDes)
sl@0:     {
sl@0:     	return EInvalidPointer;
sl@0:     }
sl@0:     else if(n_size < ilen+1)
sl@0:     {
sl@0:     	n_size = ilen;
sl@0:     	return EInvalidSize;
sl@0:     }
sl@0:     	
sl@0: 	memcpy(aDes, aSrc.Ptr(), ilen);
sl@0: 	aDes[ilen] = '\0';
sl@0:         
sl@0:     return ESuccess;
sl@0: }
sl@0: 
sl@0: /**
sl@0:    * Converts a descriptor of type TLitC8 to char*
sl@0:    * @param aSrc is the descriptor of type TLitC8 that is to be converted to char*
sl@0:    * @param aDes is a char* that will hold the result after conversion. Care should be taken to 
sl@0:    * allocate sufficient amount of memory to char* in the calling function. The amount of memory that is
sl@0:    * being allocated to the char* is being made known using n_size
sl@0:    * @param n_size is the size of the char*. This should have a minimum value equal to size of the 
sl@0:    * descriptor. Incase its less, the conversion is going to fail and returns the corresponding error code
sl@0:    */
sl@0: 	
sl@0: EXPORT_C int Tlitc8ToChar(const TDesC8& aSrc, char* aDes, int& n_size)
sl@0: {   
sl@0:     unsigned int ilen = aSrc.Length();
sl@0:     
sl@0:     if (0 == ilen )
sl@0:     {
sl@0:     	return EDescriptorNoData;
sl@0:     }     
sl@0:     else if(!aDes)
sl@0:     {
sl@0:     	return EInvalidPointer;
sl@0:     }
sl@0:     else if (n_size < ilen )
sl@0:     {
sl@0:     	n_size = ilen + 1;
sl@0:     	return EInvalidSize;
sl@0:     }
sl@0:     
sl@0:     memcpy(aDes, (char *)aSrc.Ptr(), ilen);
sl@0: 	aDes[ilen] = '\0';
sl@0: 	
sl@0: 	return ESuccess;	 
sl@0: }
sl@0: 
sl@0: 
sl@0:  /**
sl@0:    * Converts a descriptor of type TPtr8 to character stream
sl@0:    *
sl@0:    * @param aSrc is the descriptor to be converted , aDes is the 
sl@0:    * reference to the character sream where the result of conversion 
sl@0:    * is stored , n_size specifies the conversion size of the string 
sl@0:    * @return Status code (0 is ESuccess, -2 is EInvalidSize ,
sl@0:    *  -4 is EInvalidPointer)
sl@0:    */
sl@0: EXPORT_C int Tptr8ToChar(const TDes8& aSrc, char* aDes, int& n_size)
sl@0: {
sl@0:     unsigned int ilen = aSrc.Length();
sl@0: 	
sl@0: 	if (0 == ilen)
sl@0:     {
sl@0:     	return EDescriptorNoData;	
sl@0:     }
sl@0: 	else if ( !aDes )
sl@0:     {
sl@0:         return EInvalidPointer;
sl@0:     }
sl@0:     else if (n_size < ilen)
sl@0:     {
sl@0:     	n_size = ilen + 1;
sl@0:     	return EInvalidSize;
sl@0:     }
sl@0:     
sl@0: 	memcpy(aDes , (const char *)aSrc.Ptr(), ilen);
sl@0: 	aDes[ilen] = '\0';
sl@0:     
sl@0:     return ESuccess;
sl@0: }
sl@0: 
sl@0:  /**
sl@0:    * Converts a descriptor of type TPtrC8 to character stream
sl@0:    *
sl@0:    * @param aSrc is the descriptor to be converted , aDes is the 
sl@0:    * reference to the character sream where the result of conversion 
sl@0:    * is stored , n_size specifies the conversion size of the string 
sl@0:    * @return Status code (0 is ESuccess, -2 is EInvalidSize ,
sl@0:    *  -4 is EInvalidPointer)
sl@0:    */
sl@0: EXPORT_C int Tptrc8ToCharp(TPtrC8& aSrc, char* aDes, int& n_size)
sl@0: {
sl@0:     unsigned int ilen = aSrc.Length();
sl@0: 	if (0 == ilen)
sl@0:     {
sl@0:     	return EDescriptorNoData;	
sl@0:     }
sl@0: 	else if ( !aDes )
sl@0:     {
sl@0:         return EInvalidPointer;
sl@0:     }
sl@0:     else if (n_size < ilen)
sl@0:     {
sl@0:     	n_size = ilen + 1;
sl@0:     	return EInvalidSize;
sl@0:     }
sl@0: 	
sl@0: 	memcpy(aDes , aSrc.Ptr(), ilen);
sl@0: 	aDes[ilen] = '\0';
sl@0:     
sl@0:     return ESuccess;
sl@0: }
sl@0: 
sl@0:  /**
sl@0:    * Converts a descriptor of type RBuf8 to character stream
sl@0:    *
sl@0:    * @param aSrc is the descriptor to be converted , aDes is the 
sl@0:    * reference to the character sream where the result of conversion 
sl@0:    * is stored , n_size specifies the conversion size of the string 
sl@0:    * @return Status code (0 is ESuccess, -2 is EInvalidSize ,
sl@0:    *  -4 is EInvalidPointer , -5 is EDescriptorNoData)
sl@0:    */
sl@0:    
sl@0: EXPORT_C int Rbuf8ToChar(TDes8& aSrc, char* aDes, int& n_size)
sl@0: {
sl@0:     unsigned int ilen = aSrc.Length();
sl@0:     
sl@0:     if (0 == ilen)
sl@0:     {
sl@0:     	return EDescriptorNoData;	
sl@0:     } 
sl@0: 	else if ( !aDes )
sl@0:     {
sl@0:         return EInvalidPointer;
sl@0:     }
sl@0:     else if (n_size < ilen)
sl@0:     {
sl@0:     	n_size = ilen + 1;
sl@0:     	return EInvalidSize;
sl@0:     }
sl@0:     
sl@0: 	memcpy (aDes,(char *)aSrc.Ptr(), ilen);
sl@0: 	aDes[ilen] = '\0';
sl@0: 
sl@0: 	return ESuccess;
sl@0: }
sl@0: 
sl@0:  /**
sl@0:    * Converts a descriptor of type HBufC8 to character stream
sl@0:    *
sl@0:    * @param aSrc is the descriptor to be converted , aDes is the 
sl@0:    * reference to the character sream where the result of conversion 
sl@0:    * is stored , n_size specifies the conversion size of the string 
sl@0:    * @return Status code (0 is ESuccess, -2 is EInvalidSize ,
sl@0:    *  -4 is EInvalidPointer , -5 is EDescriptorNoData)
sl@0:    */
sl@0: 
sl@0: EXPORT_C int Hbufc8ToChar(HBufC8 *aSrc, char* aDes, int& n_size)
sl@0: {
sl@0:     unsigned int ilen = 0;
sl@0:     
sl@0:     if ( !aDes || !aSrc)
sl@0:     {
sl@0:         return EInvalidPointer;
sl@0:     }
sl@0:     else 
sl@0:     {
sl@0:         ilen = aSrc->Length();
sl@0:         if (0 == ilen)
sl@0:         {
sl@0:         	return EDescriptorNoData;		
sl@0:         }
sl@0:         else if (n_size < ilen)
sl@0:     	{
sl@0:     		n_size = ilen + 1;
sl@0:     		return EInvalidSize;
sl@0:     	}  	
sl@0:     } 	
sl@0:     
sl@0: 	memcpy (aDes,(char *)aSrc->Ptr(), ilen);
sl@0: 	aDes[ilen] = '\0';
sl@0: 
sl@0: 	return ESuccess;
sl@0: }