Method join

core/string/ustring.cpp:1334–1373

}

String String::join(const Vector<String> &parts) const {
	if (parts.is_empty()) {
		return String();
	} else if (parts.size() == 1) {
		return parts[0];
	}

	const int this_length = length();

	int new_size = (parts.size() - 1) * this_length;
	for (const String &part : parts) {
		new_size += part.length();
	}
	new_size += 1;

	String ret;
	ret.resize_uninitialized(new_size);
	char32_t *ret_ptrw = ret.ptrw();
	const char32_t *this_ptr = ptr();

	bool first = true;
	for (const String &part : parts) {
		if (first) {
			first = false;
		} else if (this_length) {
			memcpy(ret_ptrw, this_ptr, this_length * sizeof(char32_t));
			ret_ptrw += this_length;
		}

		const int part_length = part.length();
		if (part_length) {
			memcpy(ret_ptrw, part.ptr(), part_length * sizeof(char32_t));
			ret_ptrw += part_length;
		}
	}

	*ret_ptrw = 0;

	return ret;
}

char32_t String::char_uppercase(char32_t p_char) {
	return _find_upper(p_char);