#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 |