# File lib/CodingStateMachine.rb, line 44
        def next_state(c)
            # for each byte we get its class
            # if it is first byte, we also get byte length
            byteCls = @_mModel['classTable'][c]
            
            if @_mCurrentState == :Start
                @_mCurrentBytePos = 0
                @_mCurrentCharLen = @_mModel['charLenTable'][byteCls]
            end
            # from byte's class and stateTable, we get its next state
            stateValue = {:Start => 0, :Error  => 1, :ItsMe  => 2}
            unless stateValue[@_mCurrentState]
                v = @_mCurrentState
            else
                v = stateValue[@_mCurrentState]
            end
            @_mCurrentState = @_mModel['stateTable'][v * @_mModel['classFactor'] + byteCls]
            
            @_mCurrentBytePos += 1
            return @_mCurrentState
        end