/src/contrib/boost/statechart/in_state_reaction.hpp
http://pythonocc.googlecode.com/ · C++ Header · 73 lines · 43 code · 19 blank · 11 comment · 0 complexity · f56a84c81a78a61b0097e5484b112af7 MD5 · raw file
- #ifndef BOOST_STATECHART_IN_STATE_REACTION_HPP_INCLUDED
- #define BOOST_STATECHART_IN_STATE_REACTION_HPP_INCLUDED
- //////////////////////////////////////////////////////////////////////////////
- // Copyright 2005-2008 Andreas Huber Doenni
- // Distributed under the Boost Software License, Version 1.0. (See accompany-
- // ing file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
- //////////////////////////////////////////////////////////////////////////////
- #include <boost/statechart/result.hpp>
- #include <boost/statechart/detail/reaction_dispatcher.hpp>
- namespace boost
- {
- namespace statechart
- {
- class event_base;
- //////////////////////////////////////////////////////////////////////////////
- template< class Event,
- class ReactionContext = detail::no_context< Event >,
- void ( ReactionContext::*pAction )( const Event & ) =
- &detail::no_context< Event >::no_function >
- class in_state_reaction
- {
- private:
- //////////////////////////////////////////////////////////////////////////
- template< class State >
- struct reactions
- {
- static result react_without_action( State & stt )
- {
- return stt.discard_event();
- }
- static result react_with_action( State & stt, const Event & evt )
- {
- ( stt.template context< ReactionContext >().*pAction )( evt );
- return react_without_action( stt );
- }
- };
- public:
- //////////////////////////////////////////////////////////////////////////
- // The following declarations should be private.
- // They are only public because many compilers lack template friends.
- //////////////////////////////////////////////////////////////////////////
- template< class State, class EventBase, class IdType >
- static detail::reaction_result react(
- State & stt, const EventBase & evt, const IdType & eventType )
- {
- typedef detail::reaction_dispatcher<
- reactions< State >, State, EventBase, Event, ReactionContext, IdType
- > dispatcher;
- return dispatcher::react( stt, evt, eventType );
- }
- };
- } // namespace statechart
- } // namespace boost
- #endif