void ArgumentQuote()

in util/process_wrapper/system_windows.cc [34:63]

• 27 lines of code
• 8 McCabe index (conditional complexity)

void ArgumentQuote(const System::StrType& argument,
                   System::StrType& command_line) {
  if (argument.empty() == false &&
      argument.find_first_of(PW_SYS_STR(" \t\n\v\"")) == argument.npos) {
    command_line.append(argument);
  } else {
    command_line.push_back(PW_SYS_STR('"'));

    for (auto it = argument.begin();; ++it) {
      unsigned number_backslashes = 0;

      while (it != argument.end() && *it == PW_SYS_STR('\\')) {
        ++it;
        ++number_backslashes;
      }

      if (it == argument.end()) {
        command_line.append(number_backslashes * 2, PW_SYS_STR('\\'));
        break;
      } else if (*it == L'"') {
        command_line.append(number_backslashes * 2 + 1, PW_SYS_STR('\\'));
        command_line.push_back(*it);
      } else {
        command_line.append(number_backslashes, PW_SYS_STR('\\'));
        command_line.push_back(*it);
      }
    }
    command_line.push_back(PW_SYS_STR('"'));
  }
}