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class automata_car:
stateN = 0
def isAccepted(self, _str):
i = len(_str)
_len = len(_str)
for i in range(len):
if self.stateN == 0:
self.start(_str[i])
if self.stateN == 1:
self.state1(_str[i])
if self.stateN == 2:
self.state2(_str[i])
if self.stateN == 3:
self.state3(_str[i])
else:
return 0
if self.stateN == 3:
return 1
else:
return 0
def start(self,c):
if (c == '\''):
self.stateN = 1
else:
self.stateN = -1
def state1(self,c):
if (c != '\''):
self.stateN = 2
else:
self.stateN = 3
def state2(self,c):
if (c == '\''):
self.stateN = 3
else:
self.stateN = -1
def state3(self,c):
self.stateN = -1
def verified(self,token){
if isAccepted(token):
return true
else:
return false
}
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