ObjFW  Check-in [66bbe6da24]

/**
 * Appends a formatted UTF-8 encoded C string to the OFString.
 * See printf for the format syntax.
 *
 * \param fmt A format string which generates the string to append
 */
- appendWithFormat: (OFString*)fmt, ...;
- appendFormat: (OFString*)fmt, ...;

/**
 * Appends a formatted UTF-8 encoded C string to the OFString.
 * See printf for the format syntax.
 *
 * \param fmt A format string which generates the string to append
 * \param args The arguments used in the format string
 */
- appendWithFormat: (OFString*)fmt
	 arguments: (va_list)args;
-  appendFormat: (OFString*)fmt
  withArguments: (va_list)args;

/**
 * Reverse the OFString.
 */
- reverse;

/**

	if (str->is_utf8)
		is_utf8 = YES;

	return self;
}

- appendWithFormat: (OFString*)fmt, ...
- appendFormat: (OFString*)fmt, ...
{
	id ret;
	va_list args;

	va_start(args, fmt);
	ret = [self appendWithFormat: fmt
			   arguments: args];
	ret = [self appendFormat: fmt
		   withArguments: args];
	va_end(args);

	return ret;
}

- appendWithFormat: (OFString*)fmt
	 arguments: (va_list)args
-  appendFormat: (OFString*)fmt
  withArguments: (va_list)args
{
	char *t;

	if (fmt == NULL)
		@throw [OFInvalidFormatException newWithClass: isa];
	if (fmt == nil)
		@throw [OFInvalidArgumentException newWithClass: isa
						       selector: _cmd];

	if ((vasprintf(&t, [fmt cString], args)) == -1)
	if ((vasprintf(&t, [fmt cString], args)) == -1) {
		/*
		 * This is only the most likely error to happen. Unfortunately,
		 * there is no good way to check what really happened.
		 */
		@throw [OFOutOfMemoryException newWithClass: isa];
	}

	@try {
		[self appendCString: t];
	} @finally {
		free(t);
	}

       arguments: (va_list)args
{
	int t;
	Class c;

	self = [super init];

	if (fmt == NULL) {
	if (fmt == nil) {
		c = isa;
		[super dealloc];
		@throw [OFInvalidFormatException newWithClass: c];
		@throw [OFInvalidArgumentException newWithClass: c
						       selector: _cmd];
	}

	if ((t = vasprintf(&string, [fmt cString], args)) == -1) {
		c = isa;
		[super dealloc];

		/*

				encoding: OF_STRING_ENCODING_WINDOWS_1252]
	    isEqual: @"€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ"])

	TEST(@"+[stringWithFormat:]",
	    [(s[0] = [OFMutableString stringWithFormat: @"%s: %d", "test", 123])
	    isEqual: @"test: 123"])

	TEST(@"-[appendWithFormat:]",
	    [([s[0] appendWithFormat: @"%02X", 15]) isEqual: @"test: 1230F"])
	TEST(@"-[appendFormat:]",
	    [([s[0] appendFormat: @"%02X", 15]) isEqual: @"test: 1230F"])

	TEST(@"-[indexOfFirstOccurrenceOfString:]",
	    [@"𝄞öö" indexOfFirstOccurrenceOfString: @"öö"] == 1 &&
	    [@"𝄞öö" indexOfFirstOccurrenceOfString: @"ö"] == 1 &&
	    [@"𝄞öö" indexOfFirstOccurrenceOfString: @"𝄞"] == 0 &&
	    [@"𝄞öö" indexOfFirstOccurrenceOfString: @"x"] == SIZE_MAX)