1 // Copyright 2010 Christophe Henry 2 // henry UNDERSCORE christophe AT hotmail DOT com 3 // This is an extended version of the state machine available in the boost::mpl library 4 // Distributed under the same license as the original. 5 // Copyright for the original version: 6 // Copyright 2005 David Abrahams and Aleksey Gurtovoy. Distributed 7 // under the Boost Software License, Version 1.0. (See accompanying 8 // file LICENSE_1_0.txt or copy at 9 // http://www.boost.org/LICENSE_1_0.txt) 10 11 #ifndef EMPTY_HPP 12 #define EMPTY_HPP 13 14 // back-end 15 #include <boost/msm/back/state_machine.hpp> 16 //front-end 17 #include <boost/msm/front/state_machine_def.hpp> 18 #include <boost/msm/front/row2.hpp> 19 20 #include "Events.hpp" 21 22 struct Open; 23 24 namespace msm = boost::msm; 25 namespace mpl = boost::mpl; 26 27 struct Empty : public msm::front::state<> 28 { 29 template <class Event,class FSM> on_entryEmpty30 void on_entry(Event const&,FSM& ) {std::cout << "entering: Empty" << std::endl;} 31 template <class Event,class FSM> on_exitEmpty32 void on_exit(Event const&,FSM& ) {std::cout << "leaving: Empty" << std::endl;} 33 void open_drawer(open_close const&); 34 35 struct internal_transition_table : mpl::vector< 36 // Start Event Next Action Guard 37 //+-------------+---------+-------------+---------+---------------------------+----------------------+ 38 msm::front::a_row2 < Empty , open_close , Open , Empty,&Empty::open_drawer > 39 //+-------------+---------+-------------+---------+---------------------------+----------------------+ 40 > {}; 41 }; 42 43 #endif 44