| #ifndef BOOST_STATECHART_EVENT_HPP_INCLUDED |
| #define BOOST_STATECHART_EVENT_HPP_INCLUDED |
| ////////////////////////////////////////////////////////////////////////////// |
| // Copyright 2002-2007 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/event_base.hpp> |
| #include <boost/statechart/detail/rtti_policy.hpp> |
| #include <boost/statechart/detail/memory.hpp> |
| |
| #include <boost/cast.hpp> // boost::polymorphic_downcast |
| |
| #include <memory> // std::allocator |
| |
| |
| |
| namespace boost |
| { |
| namespace statechart |
| { |
| |
| |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| template< class MostDerived, class Allocator = std::allocator< void > > |
| class event : public detail::rtti_policy::rtti_derived_type< |
| MostDerived, event_base > |
| { |
| public: |
| ////////////////////////////////////////////////////////////////////////// |
| // Compiler-generated copy constructor and copy assignment operator are |
| // fine |
| |
| void * operator new( std::size_t size ) |
| { |
| return detail::allocate< MostDerived, Allocator >( size ); |
| } |
| |
| void * operator new( std::size_t, void * p ) |
| { |
| return p; |
| } |
| |
| void operator delete( void * pEvent ) |
| { |
| detail::deallocate< MostDerived, Allocator >( pEvent ); |
| } |
| |
| protected: |
| ////////////////////////////////////////////////////////////////////////// |
| event() {} |
| virtual ~event() {} |
| |
| private: |
| ////////////////////////////////////////////////////////////////////////// |
| virtual intrusive_ptr< const event_base > clone() const |
| { |
| return intrusive_ptr< const event_base >( new MostDerived( |
| *polymorphic_downcast< const MostDerived * >( this ) ) ); |
| } |
| }; |
| |
| |
| |
| } // namespace statechart |
| } // namespace boost |
| |
| |
| |
| #endif |