ecency-mobile/ios/Pods/boost-for-react-native/boost/statechart/transition.hpp

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#ifndef BOOST_STATECHART_TRANSITION_HPP_INCLUDED
#define BOOST_STATECHART_TRANSITION_HPP_INCLUDED
//////////////////////////////////////////////////////////////////////////////
// Copyright 2002-2008 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
{
//////////////////////////////////////////////////////////////////////////////
template< class Event, class Destination,
class TransitionContext = detail::no_context< Event >,
void ( TransitionContext::*pTransitionAction )( const Event & ) =
&detail::no_context< Event >::no_function >
class transition
{
private:
//////////////////////////////////////////////////////////////////////////
template< class State >
struct reactions
{
static result react_without_action( State & stt )
{
return stt.template transit< Destination >();
}
static result react_with_action( State & stt, const Event & evt )
{
return stt.template transit< Destination >( pTransitionAction, evt );
}
};
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, TransitionContext, IdType
> dispatcher;
return dispatcher::react( stt, evt, eventType );
}
};
} // namespace statechart
} // namespace boost
#endif