Function UriDecode

gpcontrib/gpcloud/src/s3utils.cpp:309–338

}

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

    auto srcStr = src.begin();
    auto srcEnd = src.end() - 2;

    string retStr;
    while (srcStr < srcEnd) {
        if (*srcStr == '%') {
            dec1 = UriMapping[(int)*(srcStr + 1)];
            dec2 = UriMapping[(int)*(srcStr + 2)];

            if ((dec1 != -1) && (dec2 != -1)) {
                retStr.push_back((dec1 << 4) + dec2);
                srcStr += 3;
                continue;
            }
        }

        retStr.push_back(*srcStr);
        srcStr++;
    }

    while (srcStr < src.end()) {
        retStr.push_back(*srcStr);
        srcStr++;
    }

    return retStr;
}

void FindAndReplace(string &str, const string &find, const string &replace) {
    if (find.empty()) return;