Function expand

src/ifcparse/IfcGlobalId.cpp:80–88

Expands the base64 representation into a UUID byte array

// Expands the base64 representation into a UUID byte array
void expand(const std::string& s, std::vector<unsigned char>& v) {
    v.push_back((unsigned char)from_base64(s.substr(0, 2)));
    for (unsigned i = 0; i < 5; ++i) {
        unsigned d = from_base64(s.substr(2 + 4 * i, 4));
        for (unsigned j = 0; j < 3; ++j) {
            v.push_back((d >> (8 * (2 - j))) % 256);
        }
    }
}

// Define the macro to handle different Boost versions
#if BOOST_VERSION >= 108600