Function Utf8CodepointBytes

engine/Poseidon/Foundation/Strings/Mbcs.cpp:140–153

} // namespace

int Utf8CodepointBytes(const char* text)
{
    if (!text || !*text)
        return 0;

    int step = Utf8SequenceLength(static_cast<unsigned char>(text[0]));
    for (int i = 1; i < step; ++i)
    {
        unsigned char c = static_cast<unsigned char>(text[i]);
        if (c == 0 || !IsUtf8ContinuationByte(c))
            return i;
    }
    return step;
}

int DecodeUtf8Codepoint(const char* text, uint32_t* outCodepoint)
{