def _compile_literal(self, element, *args, **kwargs):
# Build literals as sequences and use <NULL> for unknown words.
children = []
for word in element.words:
if self.engine.check_valid_word(word):
children.append(jsgf.Literal(word))
else:
children.append(
self.compile_element(elements_.Impossible(), *args,
**kwargs))
# Save the unknown word.
args[1].add(word)
return jsgf.Sequence(*children)
def _compile_dictation(self, element, *args, **kwargs):
return self.compile_element(elements_.Impossible(), *args, **kwargs)
def _compile_dictation(self, element, *args, **kwargs):
# JSGF has no equivalent for dictation elements. Instead compile and
# return an Impossible element that allows dictation to be used,
# but not matched.
return self.compile_element(elements_.Impossible(), *args, **kwargs)