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// File Name: properties.c
//
// Written By: Tom Galluzzo (galluzzo AT gmail DOT com)
//
// Version: 3.2
//
// Date: 08/04/06
//
// Description:	This file describes the functionality associated with a Properties object.
// Inspired by the class of the same name in the JAVA language.

#if defined(__GNUC__)
	#define _GNU_SOURCE
#endif

#if defined(__APPLE__) || defined(WIN32)
	#include "getline.h"
#endif

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "properties.h"

Properties propertiesCreate(void)
{
	return NULL;
}

void propertiesDestroy(Properties properties)
{
	Properties deadProperty;
	
	while(properties)
	{
		free(properties->property);
		free(properties->value);
		deadProperty = properties;
		properties = properties->nextProperty;
		free(deadProperty);
	}
}

Properties propertiesLoad(Properties properties, FILE *file)
{
	const char delimeters[] = "\t\n\r=";
	char *buf = NULL;
	char *tempProperty, *tempValue;
	size_t bufSizeChars = 0;
	Properties property = properties;
	Properties firstProperty = properties;
	
	while( getline(&buf, &bufSizeChars, file ) > -1)
	{
		tempProperty = strtok(buf, delimeters);
		tempValue = strtok(NULL, delimeters);
		if(tempProperty && tempProperty[0] != '#')
		{
			if(property)
			{
				property->nextProperty = (Properties)malloc( sizeof(PropertyStruct) );
				property = property->nextProperty;

				property->property = (char *)malloc( strlen(tempProperty) + 1 ); 
				sprintf(property->property, "%s", tempProperty);

				property->value = (char *)malloc( strlen(tempValue) + 1 ); 
				sprintf(property->value, "%s", tempValue);

				property->nextProperty = NULL;
			}
			else
			{
				property = (Properties)malloc( sizeof(PropertyStruct) );

				property->property = (char *)malloc( strlen(tempProperty) + 1 );
				sprintf(property->property, "%s", tempProperty);

				property->value = (char *)malloc( strlen(tempValue) + 1 ); 
				sprintf(property->value, "%s", tempValue);

				property->nextProperty = NULL;
				firstProperty = property;
			}
			// printf("%s = %s\n", tempProperty, tempValue);	
		}
	}
	
	if(buf)
	{
		free(buf);
	}
	
	return firstProperty; 
}

char *propertiesGetProperty(Properties properties, char * testProperty)
{
	while(properties)
	{
		if(strcmp(properties->property, testProperty))
		{
			properties = properties->nextProperty;
		}
		else
		{
			return properties->value;
		}
	}
	
	return NULL;
}
