def fsm_char_pattern(cls, ch): """Return FSM character pattren registered within tokenizer. :Parameters: ch : str the FSM character :Note: If it doesn't exist, this method will create empty dictionary ``_fsm_char_patterns`` within ``cls`` subclass (as a class attribute). :Note: This method may throw exceptions in case the `ch` was not registered. For exception specification, see documentation of `ezmlex.patterns.pattern()`. """ from ezmlex.patterns import pattern return pattern(cls.fsm_char_patterns(), ch)
def pattern(cls, *args): """Return a helper pattern registered within tokenizer. :Parameters: args arguments and their meaning are same as for `ezmlex.patterns.pattern()`, except that there must be no ``tab`` argument in ``*args`` list, and the ``*args`` list must start from ``_id``. :Note: If it doesn't exist, this method will create empty dictionary ``_char_classes`` within ``cls`` subclass (as a class attribute). :Note: This method may throw exceptions in case the requested pattern was not registered. For exception specification, see documentation of `ezmlex.patterns.pattern()`. """ from ezmlex.patterns import pattern return pattern(cls.patterns(), *args)