ObjFW  Diff

	} @finally {
		free(locale);
	}
}
#endif

static bool
evaluateCondition(OFString *condition, OFDictionary *variables)
evaluateCondition(OFString *condition_, OFDictionary *variables)
{
	OFMutableString *condition = [[condition_ mutableCopy] autorelease];
	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 replaceOccurrencesOfString: @"!" withString: @"! "];
	condition = [condition stringByReplacingOccurrencesOfString: @"("
							 withString: @"( "];
	[condition replaceOccurrencesOfString: @"(" withString: @"( "];
	condition = [condition stringByReplacingOccurrencesOfString: @")"
							 withString: @" )"];
	[condition replaceOccurrencesOfString: @")" 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]) {