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class automata_flot:
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])
if self.stateN == 4:
self.state4(_str[i])
if self.stateN == 5:
self.state5(_str[i])
else:
return 0
if self.stateN == 5:
return 1
else:
return 0
def start(self, c):
if (c == '0'):
self.stateN = 1
else if(c == '-'):
self.stateN = 2
else if(c == '1' or c == '2' or c == '3' or c == '4' or c == '5' or
c == '6' or c == '7' or c == '8' or c == '9'):
self.stateN = 3
else:
self.stateN = -1
def state1(self,c):
if (c == '.'):
self.stateN = 4
else:
self.stateN = -1
def state2(self,c):
if(c == '0'):
self.stateN = 1
else if(c == '1' or c == '2' or c == '3' or c == '4' or c == '5' or
c == '6' or c == '7' or c == '8' or c == '9'):
self.stateN = 3
else:
self.stateN = -1
def state3(self,c):
if(c == '.'):
self.stateN = 4
else if c.isdigit():
stateN = 3
else:
self.stateN = -1
def state4(self,c):
if c.isdigit():
self.stateN = 5
else:
self.stateN = -1
def state5(self,c):
if c.isdigit():
self.stateN = 5
else:
self.stateN = -1
def verified(self,token):
if isAccepted(token)
return true
else:
return false
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