//----------------------------------------------------------------------------- // boost fsm/transition.hpp header file // See http://www.boost.org for updates, documentation, and revision history. //----------------------------------------------------------------------------- // // Copyright (c) 2002 // Aleksey Gurtovoy // // Permission to use, copy, modify, distribute and sell this software // and its documentation for any purpose is hereby granted without fee, // provided that the above copyright notice appears in all copies and // that both the copyright notice and this permission notice appear in // supporting documentation. No representations are made about the // suitability of this software for any purpose. It is provided "as is" // without express or implied warranty. #ifndef BOOST_FSM_TRANSITION_INCLUDED #define BOOST_FSM_TRANSITION_INCLUDED #include <cassert> namespace fsm { namespace aux { // represent a signle transition between states |From| and |To| template< typename T , typename From , typename Event , typename To , bool (T::* transition_func)(Event const&) > struct transition { typedef T fsm_t; typedef From from_state_t; typedef Event event_t; typedef To to_state_t; typedef typename Event::base_t base_event_t; static bool do_transition(T& x, base_event_t const& e) { assert(dynamic_cast<event_t const*>(&e) == &e); return (x.*transition_func)(static_cast<event_t const &>(e)); } }; } // namespace aux } // namespace fsm #endif // BOOST_FSM_TRANSITION_INCLUDED