vn-verdnaturachat/ios/Pods/boost-for-react-native/boost/statechart/event_processor.hpp

88 lines
2.0 KiB
C++

#ifndef BOOST_STATECHART_EVENT_PROCESSOR_INCLUDED
#define BOOST_STATECHART_EVENT_PROCESSOR_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)
//////////////////////////////////////////////////////////////////////////////
namespace boost
{
namespace statechart
{
class event_base;
//////////////////////////////////////////////////////////////////////////////
template< class Scheduler >
class event_processor
{
public:
//////////////////////////////////////////////////////////////////////////
virtual ~event_processor() {}
Scheduler & my_scheduler() const
{
return myScheduler_;
}
typedef typename Scheduler::processor_handle processor_handle;
processor_handle my_handle() const
{
return myHandle_;
}
void initiate()
{
initiate_impl();
}
void process_event( const event_base & evt )
{
process_event_impl( evt );
}
void terminate()
{
terminate_impl();
}
protected:
//////////////////////////////////////////////////////////////////////////
typedef const typename Scheduler::processor_context & my_context;
event_processor( my_context ctx ) :
myScheduler_( ctx.my_scheduler() ),
myHandle_( ctx.my_handle() )
{
}
private:
//////////////////////////////////////////////////////////////////////////
virtual void initiate_impl() = 0;
virtual void process_event_impl( const event_base & evt ) = 0;
virtual void terminate_impl() = 0;
// avoids C4512 (assignment operator could not be generated)
event_processor & operator=( const event_processor & );
Scheduler & myScheduler_;
const processor_handle myHandle_;
};
} // namespace statechart
} // namespace boost
#endif