48 lines
1.0 KiB
C++
48 lines
1.0 KiB
C++
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#ifndef BOOST_FSM_TRANSITION_INCLUDED
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#define BOOST_FSM_TRANSITION_INCLUDED
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// Copyright Aleksey Gurtovoy 2002-2004
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/mpl for documentation.
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// $Id$
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// $Date$
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// $Revision$
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#include <cassert>
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namespace fsm { namespace aux {
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// represent a signle transition between states |From| and |To|
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template<
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typename T
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, typename From
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, typename Event
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, typename To
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, bool (T::* transition_func)(Event const&)
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>
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struct transition
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{
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typedef T fsm_t;
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typedef From from_state_t;
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typedef Event event_t;
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typedef To to_state_t;
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typedef typename Event::base_t base_event_t;
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static bool do_transition(T& x, base_event_t const& e)
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{
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assert(dynamic_cast<event_t const*>(&e) == &e);
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return (x.*transition_func)(static_cast<event_t const &>(e));
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}
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};
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}}
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#endif // BOOST_FSM_TRANSITION_INCLUDED
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