def evaluate_i(self, static, dynamic, local):
value = utils.get_single(self.value.evaluate(static, dynamic, local))
reference = utils.get_single(self.reference.evaluate(static, dynamic, local))
if isinstance(self.position, Production):
position = self.position.evaluate(static, dynamic, local)
position = utils.get_single_instance(position, d.Number).get_as_int()
else:
position = self.position
return utils.singleton(d.StandardInsert(value, reference, position))
def get_for_indexer(self, value):
index = utils.get_single_instance(value, Number).get_as_int()
this_value = self.get_value()
if index < 0 or index >= len(this_value):
return EmptySequence() # or raise an exception? Check on XQuery's behavior for this
return StandardSequence([StandardString(this_value[index])])
def print_(dynamic, value):
print utils.get_single_instance(value, d.String).get_value()
def position(dynamic, check=None):
if check is None:
return utils.create_number(dynamic.context_position)
return utils.create_boolean(
utils.get_single_instance(check, d.Number).get_as_int() == dynamic.context_position)