Method process

plugins/cachekey/pattern.cc:169–198

* @brief Capture or capture-and-replace depending on whether a replacement string is specified. * @see replace() * @see capture() * @param subject PCRE subject string * @param result vector of strings where the result of captures or the replacements will be returned. * @return true if there was a match and capture or replacement succeeded, false if failure. */

 * @return true if there was a match and capture or replacement succeeded, false if failure.
 */
bool
Pattern::process(const String &subject, StringVector &result)
{
  if (_replace) {
    /* Replacement pattern was provided in the configuration - capture and replace. */
    String element;
    if (replace(subject, element)) {
      result.push_back(element);
    } else {
      return false;
    }
  } else {
    /* Replacement was not provided so return all capturing groups except the group zero. */
    StringVector captures;
    if (capture(subject, captures)) {
      if (captures.size() == 1) {
        result.push_back(captures[0]);
      } else {
        StringVector::iterator it = captures.begin() + 1;
        for (; it != captures.end(); it++) {
          result.push_back(*it);
        }
      }
    } else {
      return false;
    }
  }

  return true;
}

/**
 * @brief PCRE matches a subject string against the regex pattern.