def handle_read_value(self, buff, start, end):
segmenttype = self._state[<NUM_LIT:1>].value.segmenttype<EOL>value = None<EOL>eventtype = None<EOL>ftype = self._state[<NUM_LIT:0>]<EOL>if segmenttype <= SegmentType.VARIABLE_LENGTH_VALUE:<EOL><INDENT>self._scstate = self.next_state_afterraw()<EOL>value = self.parse_value(self._state[<NUM_LIT:0>], buff, start, end)<EOL>eventtype = EventType.VALUE <EOL><DEDENT>elif segmenttype >= SegmentType.EXT_FORMAT:<EOL><INDENT>value = self.parse_ext_value(self._state[<NUM_LIT:0>], self._state[<NUM_LIT:4>], buff, start, end)<EOL>eventtype = EventType.EXT<EOL>ftype = ExtType(self._state[<NUM_LIT:0>], self._state[<NUM_LIT:4>])<EOL><DEDENT>else:<EOL><INDENT>raise InvalidStateException(self._scstate, "<STR_LIT>")<EOL><DEDENT>self.events.append((self.value_event_type(eventtype), ftype, value))<EOL>
handle read of the value based on the expected length
:param buff:
:param start:
:param end: