Method getExtension

gpcontrib/gpcloud/src/s3url.cpp:144–154

}

string S3Url::getExtension() const {
    const string& path = this->prefix;
    std::string::size_type pos = path.find_last_of('/');
    string filename = (pos == path.npos) ? path : path.substr(pos + 1);

    pos = filename.find_last_of('.');
    if (pos == filename.npos) {
        return "";
    }
    return filename.substr(pos);
}