string url_encode()

in cpp/src/parse.cpp [15:31]

• 15 lines of code
• 7 McCabe index (conditional complexity)

string url_encode(const string &str) {
  ostringstream escaped;
  escaped.fill('0');
  escaped << hex;

  for (char c : str) {
    if (isalnum(c) || c == '-' || c == '_' || c == '.' || c == '~') {
      escaped << c;
      continue;
    }
    escaped << uppercase;
    escaped << '%' << setw(2) << int((unsigned char)c);
    escaped << nouppercase;
  }

  return escaped.str();
}