def add_const(self, slot, value, negate=False):
"""
"""
if not negate:
op = '='
else:
op = '!='
item = dact.DactItem(slot, op, value)
self.constraints.append(item)
def contains(self, slot, value, negate=False):
'''
:param slot: (str)
:param value: (str)
:param negate: (bool - default False)
:returns: (bool) is full semantic act in self.items?
'''
op = '='
if negate:
op = '!='
item = dact.DactItem(slot, op, value)
return item in self.items
def append_front(self, slot, value, negate=False):
'''
Add item to this act avoiding duplication
:param slot: (str)
:param value: (str)
:param negate: (bool) operation is '=' or not? False by default.
:return:
'''
op = '='
if negate:
op = '!='
self.items = [dact.DactItem(slot, op, value)] + self.items
def append(self, slot, value, negate=False):
'''
Add item to this act avoiding duplication
:param slot: (str)
:param value: (str)
:param negate: (bool [Default=False]) semantic operation is negation or not
:return:
'''
op = '='
if negate:
op = '!='
self.items.append(dact.DactItem(slot, op, value))