Function validate_utf8_string

core/unicode.cpp:132–141

}

pair<bool, string::const_iterator> validate_utf8_string(const string& str) {
	const auto end_iter = str.cend();
	for(auto iter = str.cbegin(); iter != end_iter; ++iter) {
		const auto code = decode_utf8_char(iter, end_iter);
		if(!code.first) {
			return { false, iter };
		}
	}
	return { true, str.cend() };
}

#if defined(__APPLE__)
string utf8_decomp_to_precomp(const string& str) {