Method base64_encode

src/util/stringutil.cpp:236–266

}

std::string util::base64_encode(const ubyte* data, size_t size) {
    std::stringstream ss;

    size_t fullsegments = (size/3)*3;

    size_t i = 0;
    for (; i < fullsegments; i+=3) {
        char output[] = "====";
        base64_encode_(data+i, output);
        ss << output;
    }

    ubyte ending[3] {};
    for (; i < size; i++) {
        ending[i-fullsegments] = data[i];
    }
    size_t trailing = size-fullsegments;
    {
        char output[] = "====";
        output[0] = B64ABC[(ending[0] & 0b11111100) >> 2];
        output[1] = B64ABC[((ending[0] & 0b11) << 4) | 
                           ((ending[1] & 0b11110000) >> 4)];
        if (trailing > 1)
            output[2] = B64ABC[((ending[1] & 0b1111) << 2) | 
                               ((ending[2] & 0b11000000) >> 6)];
        if (trailing > 2)
            output[3] = B64ABC[ending[2] & 0b111111];
        ss << output;
    }
    return ss.str();
}

std::string util::mangleid(uint64_t value) {
    // todo: use base64