Function utf32ToUtf16

valdi_core/src/valdi_core/cpp/Text/UTF16Utils.cpp:222–232

    return std::make_pair(buffer.data(), buffer.size());
}

std::pair<const char*, size_t> utf32ToUtf8(const uint32_t* utf32String, size_t length) {
    thread_local static std::vector<char> tBuffer;
    auto& buffer = tBuffer;
    buffer.clear();

    for (std::u16string::size_type i = 0; i < length; i++) {
        utf8Encode(utf32String[i], buffer);
    }

    return std::make_pair(buffer.data(), buffer.size());
}