(self, b)
return self.state
Eat one UTF-8 octet, and validate on the fly.

        Returns UTF8_ACCEPT when enough octets have been consumed, in which case
        self.codepoint contains the decoded Unicode code point.

        Returns UTF8_REJECT when invalid UTF-8 was encountered.

        Returns some other positive integer when more octets need to be eaten.
Eat one UTF-8 octet, and validate on the fly.
Eat one UTF - 8 octet and validate on the fly .
def decode(self, b):
        """
        Eat one UTF-8 octet, and validate on the fly.

        Returns UTF8_ACCEPT when enough octets have been consumed, in which case
        self.codepoint contains the decoded Unicode code point.

        Returns UTF8_REJECT when invalid UTF-8 was encountered.

        Returns some other positive integer when more octets need to be eaten.
        """
        type = Utf8Validator.UTF8VALIDATOR_DFA[b]
        if self.state != Utf8Validator.UTF8_ACCEPT:
            self.codepoint = (b & 0x3f) | (self.codepoint << 6)
        else:
            self.codepoint = (0xff >> type) & b
        self.state = Utf8Validator.UTF8VALIDATOR_DFA[256 + self.state * 16 + type]
        return self.state
def decode ( self , b ) : type = Utf8Validator . UTF8VALIDATOR_DFA [ b ] if self . state != Utf8Validator . UTF8_ACCEPT : self . codepoint = ( b & 0x3f ) | ( self . codepoint << 6 ) else : self . codepoint = ( 0xff >> type ) & b self . state = Utf8Validator . UTF8VALIDATOR_DFA [ 256 + self . state * 16 + type ] return self . state