Method casecmp_to

core/string/ustring.cpp:503–533

}

signed char String::casecmp_to(const String &p_str) const {
	if (is_empty() && p_str.is_empty()) {
		return 0;
	}
	if (is_empty()) {
		return -1;
	}
	if (p_str.is_empty()) {
		return 1;
	}

	const char32_t *that_str = p_str.get_data();
	const char32_t *this_str = get_data();

	while (true) {
		if (*that_str == 0 && *this_str == 0) { // If both strings are at the end, they are equal.
			return 0;
		} else if (*this_str == 0) { // If at the end of this, and not of other, we are less.
			return -1;
		} else if (*that_str == 0) { // If at end of other, and not of this, we are greater.
			return 1;
		} else if (*this_str < *that_str) { // If current character in this is less, we are less.
			return -1;
		} else if (*this_str > *that_str) { // If current character in this is greater, we are greater.
			return 1;
		}

		this_str++;
		that_str++;
	}
}

static _FORCE_INLINE_ signed char natural_cmp_common(const char32_t *&r_this_str, const char32_t *&r_that_str) {
	// Keep ptrs to start of numerical sequences.