| |
| #ifndef BOOST_FSM_TRANSITION_INCLUDED |
| #define BOOST_FSM_TRANSITION_INCLUDED |
| |
| // Copyright Aleksey Gurtovoy 2002-2004 |
| // |
| // Distributed under the Boost Software License, Version 1.0. |
| // (See accompanying file LICENSE_1_0.txt or copy at |
| // http://www.boost.org/LICENSE_1_0.txt) |
| // |
| // See http://www.boost.org/libs/mpl for documentation. |
| |
| // $Id: transition.hpp 49268 2008-10-11 06:26:17Z agurtovoy $ |
| // $Date: 2008-10-11 02:26:17 -0400 (Sat, 11 Oct 2008) $ |
| // $Revision: 49268 $ |
| |
| #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)); |
| } |
| }; |
| |
| }} |
| |
| #endif // BOOST_FSM_TRANSITION_INCLUDED |
