Calls the right method depending on the format,
        which can be one of the wollowing:
            * alfred_vis
            * txtinfo

def parse(self, data):
        """
        Calls the right method depending on the format,
        which can be one of the wollowing:
            * alfred_vis
            * txtinfo
        """
        method = getattr(self, '_parse_{0}'.format(self._format))
        return method(data)