Function utf16ToUtf32

valdi_core/src/valdi_core/cpp/Text/UTF16Utils.cpp:198–208

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

std::pair<const uint32_t*, size_t> utf8ToUtf32(const char* utf8String, size_t len) {
    thread_local static std::vector<uint32_t> tBuffer;
    auto& buffer = tBuffer;
    buffer.clear();

    for (std::string::size_type i = 0; i < len;) {
        buffer.emplace_back(utf8Decode(utf8String, i, len));
    }

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