/*

* Copyright (c) 2005-2009 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:  

* Filename: UCCS_CDataField.cpp

* System Includes

*

*/

#include <string.h>

#include <stdlib.h>

#include <stdio.h>

#include <assert.h>

/***********************************************************************************

 *

 * Local Includes

 *

 **********************************************************************************/

#include "UCCS_CDataField.h"

/***********************************************************************************

 *

 * Definitions

 *

 **********************************************************************************/

#define MAXINTEGERSTRINGLEN 16

/***********************************************************************************

 *

 * Constructor

 *

 **********************************************************************************/

CDataField::CDataField( char* aName )

{

	// check the params

	assert( aName != NULL );

	assert( strlen(aName) < MAXNAMELENGTH );

	// initialise all state vars

	strcpy( iSelfObjectName, aName );

	iFieldValue = NULL;

	iFieldValueLength = 0;

	iType = UDF_UNDEFINED;

}

/***********************************************************************************

 *

 * Destructor

 *

 **********************************************************************************/

CDataField::~CDataField()

{

	// free any remaining value memory

	if( iFieldValue != NULL ) 

	{

		free( iFieldValue );

		iFieldValue = NULL;

	}

	iSelfObjectName[0] = 0;

	iFieldValueLength = 0;

	iType = UDF_UNDEFINED;

}

//----------------------------------------------------------------------------------

// Retrieves the item name

char* CDataField::GetName()

{

	return iSelfObjectName;

}

//----------------------------------------------------------------------------------

// Returns boolean for whether the passed string matches the name of the field

int CDataField::IsItem(char* anItemName)

{

	int difference = 0;

	// check params

	assert( anItemName != NULL );

	// compare string

	difference = strncmp( anItemName, iSelfObjectName, MAXNAMELENGTH );

	return ((difference == 0) ? 1 : 0);

}

//----------------------------------------------------------------------------------

// Set string value

void CDataField::SetValue(char* aValue)

{

	// first free previous value

	if(iFieldValue != NULL) 

	{

		free(iFieldValue);

		iFieldValueLength = 0;

	}

	// set the type

	iType = UDF_STRING;

	// if the value is null then we still want an empty string -- otherwise just copy the string

	if( aValue == NULL ) {

		iFieldValue = malloc( 1 );

		((char*)iFieldValue)[0] = 0;

		iFieldValueLength = 1;

	} else {

		iFieldValue = malloc(strlen(aValue) + 1 );

 		strcpy((char*)iFieldValue, aValue);

		iFieldValueLength = strlen((char*)iFieldValue) + 1;

	}

}

//----------------------------------------------------------------------------------

// Sets integer value 

void CDataField::SetValue(int aValue)

{

	// first free previous value

	if(iFieldValue != NULL) 

	{

		free(iFieldValue);

		iFieldValueLength = 0;

	}

	// now copy new value

	iType = UDF_STRING;

	iFieldValue = malloc( MAXINTEGERSTRINGLEN + 1 );

	sprintf((char*)iFieldValue, "%d", aValue);

	iFieldValueLength = (MAXINTEGERSTRINGLEN + 1);

}

//----------------------------------------------------------------------------------

// Sets buffer value 

void CDataField::SetValue(void *aValue, int aLen)

{

	// first free previous value

	if(iFieldValue != NULL)

	{

		free(iFieldValue);

		iFieldValueLength = 0;

	}

	// now copy new value

	iType = UDF_BUFFER;

	iFieldValue = malloc(aLen);

	memcpy(iFieldValue, aValue, aLen);

	iFieldValueLength = aLen;

}

//----------------------------------------------------------------------------------

// Returns the string value from the object (could contain anything)

char* CDataField::GetStrValue()

{

	return (char*)iFieldValue;

}

//----------------------------------------------------------------------------------

// Returns an integer value from the object 

int CDataField::GetIntValue()

{

	int intvalue = 0;

	if( iFieldValue != NULL )

	{

		intvalue = atoi((char*)iFieldValue);

	}

	return intvalue;	

}

//----------------------------------------------------------------------------------

// Returns a value from the buffer

void* CDataField::GetBufValue( int *aLen )

{

	assert( aLen != NULL );

	*aLen = iFieldValueLength;

	return iFieldValue;

}

//----------------------------------------------------------------------------------

// Sets the type of the item (i.e. command, error code etc)

void CDataField::SetType( TFieldType aType )

{

	iType = aType;

}

//----------------------------------------------------------------------------------

//returns the type

TFieldType CDataField::GetType()

{

	return iType;

}

//----------------------------------------------------------------------------------

void CDataField::PrintField( FILE *aFile )

{

	if( iType == UDF_STRING ) {

		fprintf( aFile, "%s: %s\n", iSelfObjectName, iFieldValue );

	} else if( iType == UDF_BUFFER ) {

		fprintf( aFile, "%s: %d byte buffer\n", iSelfObjectName, iFieldValueLength );

	} else {

		fprintf( aFile, "%s: unknown contents\n", iSelfObjectName );

	}

}