ObjFW  Diff

#endif

static OFLocale *currentLocale = nil;
static OFDictionary *operatorPrecedences = nil;

#ifndef OF_AMIGAOS
static void
parseLocale(char *locale, of_string_encoding_t *encoding,
    OFString **language, OFString **territory)
{
	if ((locale = of_strdup(locale)) == NULL)
		return;

	@try {
		const of_string_encoding_t enc = OF_STRING_ENCODING_ASCII;
		char *tmp;

		/* We don't care for extras behind the @ */
		if ((tmp = strrchr(locale, '@')) != NULL)
			*tmp = '\0';

		/* Encoding */
		if ((tmp = strrchr(locale, '.')) != NULL) {
			*tmp++ = '\0';

			@try {
				if (encoding != NULL)
					*encoding = of_string_parse_encoding(
					    [OFString stringWithCString: tmp
							       encoding: enc]);
			} @catch (OFInvalidArgumentException *e) {
			}
		}

		/* Territory */
		if ((tmp = strrchr(locale, '_')) != NULL) {
			*tmp++ = '\0';

			if (territory != NULL)
				*territory = [OFString stringWithCString: tmp
								encoding: enc];
		}

		if (language != NULL)
			*language = [OFString stringWithCString: locale
						       encoding: enc];
	} @finally {
		free(locale);
	}
}
#endif

static bool
evaluateCondition(OFString *condition, OFDictionary *variables)
{

	OFMutableArray *tokens, *operators, *stack;

	/* Empty condition is the fallback that's always true */
	if (condition.length == 0)
		return true;

	/*
	 * Dirty hack to allow not needing spaces after "!" or "(" and spaces
	 * before ")".
	 * TODO: Replace with a proper tokenizer.
	 */
	condition = [condition stringByReplacingOccurrencesOfString: @"!"
							 withString: @"! "];
	condition = [condition stringByReplacingOccurrencesOfString: @"("
							 withString: @"( "];
	condition = [condition stringByReplacingOccurrencesOfString: @")"
							 withString: @" )"];

	/* Substitute variables and convert to RPN first */
	tokens = [OFMutableArray array];
	operators = [OFMutableArray array];
	for (OFString *token in [condition
	    componentsSeparatedByString: @" "
				options: OF_STRING_SKIP_EMPTY]) {
		unsigned precedence;
		of_unichar_t c;

		if ([token isEqual: @"("]) {
			[operators addObject: @"("];
			continue;
		}

		if ([token isEqual: @")"]) {

				var = [OFNumber numberWithBool:
				    [first isEqual: second]];
			else if ([token isEqual: @"!="])
				var = [OFNumber numberWithBool:
				    ![first isEqual: second]];
			else if ([token isEqual: @"<"])
				var = [OFNumber numberWithBool: [first
				    compare: second] == OF_ORDERED_ASCENDING];
			else if ([token isEqual: @"<="])
				var = [OFNumber numberWithBool: [first
				    compare: second] != OF_ORDERED_DESCENDING];
			else if ([token isEqual: @">"])
				var = [OFNumber numberWithBool: [first
				    compare: second] == OF_ORDERED_DESCENDING];
			else if ([token isEqual: @">="])
				var = [OFNumber numberWithBool: [first
				    compare: second] != OF_ORDERED_ASCENDING];
			else if ([token isEqual: @"+"])
				var = [OFNumber numberWithDouble:
				    [first doubleValue] + [second doubleValue]];
			else if ([token isEqual: @"%"])
				var = [OFNumber numberWithLongLong:
				    [first longLongValue] %
				    [second longLongValue]];
			else if ([token isEqual: @"&&"])
				var = [OFNumber numberWithBool:
				    [first boolValue] && [second boolValue]];
			else if ([token isEqual: @"||"])
				var = [OFNumber numberWithBool:
				    [first boolValue] || [second boolValue]];
			else
				OF_ENSURE(0);

			[stack replaceObjectAtIndex: stackSize - 2
					 withObject: var];
			[stack removeLastObject];
		} else if (precedence == 1) {
			stackSize = stack.count;
			first = stack.lastObject;

			if ([token isEqual: @"!"])
				var = [OFNumber numberWithBool:
				    ![first boolValue]];
			else if ([token isEqual: @"is_real"])
				var = [OFNumber numberWithBool:
				    ([first doubleValue] !=
				    [first longLongValue])];
			else
				OF_ENSURE(0);

			[stack replaceObjectAtIndex: stackSize - 1
					 withObject: var];
		} else
			[stack addObject: token];
	}

}

+ (OFString *)territory
{
	return currentLocale.territory;
}

+ (of_string_encoding_t)encoding
{
	return currentLocale.encoding;
}

+ (OFString *)decimalPoint
{
	return currentLocale.decimalPoint;

#ifndef OF_AMIGAOS
		char *locale, *messagesLocale = NULL;

		if (currentLocale != nil)
			@throw [OFInitializationFailedException
			    exceptionWithClass: self.class];

		_encoding = OF_STRING_ENCODING_UTF_8;
		_decimalPoint = @".";
		_localizedStrings = [[OFMutableArray alloc] init];

		if ((locale = setlocale(LC_ALL, "")) != NULL)
			_decimalPoint = [[OFString alloc]
			    initWithCString: localeconv()->decimal_point
				   encoding: _encoding];

# if defined(OF_MORPHOS)
		if (GetVar("CODEPAGE", buffer, sizeof(buffer), 0) > 0) {
# elif defined(OF_AMIGAOS4)
		if (GetVar("Charset", buffer, sizeof(buffer), 0) > 0) {
# else
		if (0) {
# endif
			of_string_encoding_t ASCII = OF_STRING_ENCODING_ASCII;

			@try {
				_encoding = of_string_parse_encoding(
				    [OFString stringWithCString: buffer
						       encoding: ASCII]);
			} @catch (OFInvalidArgumentException *e) {
				_encoding = OF_STRING_ENCODING_ISO_8859_1;
			}
		} else
			_encoding = OF_STRING_ENCODING_ISO_8859_1;

		/*
		 * Get it via localeconv() instead of from the Locale struct,
		 * to make sure we and printf etc. have the same expectations.
		 */
		_decimalPoint = [[OFString alloc]
		    initWithCString: localeconv()->decimal_point

		if ((locale = OpenLocale(NULL)) != NULL) {
			@try {
				uint32_t territory;
				size_t length;

				territory =
				    OF_BSWAP32_IF_LE(locale->loc_CountryCode);

				for (length = 0; length < 4; length++)
					if (((char *)&territory)[length] == 0)
						break;

				_territory = [[OFString alloc]
				    initWithCString: (char *)&territory

	OFConstantString *name;
	const char *UTF8String = NULL;
	size_t last, UTF8StringLength;
	int state = 0;

	variables = [OFMutableDictionary dictionary];
	while ((name = va_arg(arguments, OFConstantString *)) != nil)
		[variables setObject: va_arg(arguments, id)
			      forKey: name];

	for (OFDictionary *strings in _localizedStrings) {
		id string = [strings objectForKey: ID];

		if (string == nil)
			continue;