'Process the URL, as above.'

def Apply(self, url):

    if ((not url) or (not url.loc)):
        return None
    if self._wildcard:
        if fnmatch.fnmatchcase(url.loc, self._wildcard):
            return self._pass
        return None
    if self._regexp:
        if self._regexp.search(url.loc):
            return self._pass
        return None
    assert False
