Function UriEncode

gpcontrib/gpcloud/src/s3utils.cpp:286–307

    /* F */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};

string UriEncode(const string &src) {
    auto srcStr = src.begin();

    string retStr;

    const char uriRmapping[16 + 1] = "0123456789ABCDEF";

    while (srcStr != src.end()) {
        char c = *srcStr;
        if (UriReserved[(int)c]) {
            retStr.push_back(c);
        } else {
            retStr.push_back('%');
            retStr.push_back(uriRmapping[c >> 4]);
            retStr.push_back(uriRmapping[c & 0x0F]);
        }

        srcStr++;
    }

    return retStr;
}

string UriDecode(const string &src) {
    signed char dec1, dec2;