| // Copyright 2008 Christophe Henry |
| // henry UNDERSCORE christophe AT hotmail DOT com |
| // This is an extended version of the state machine available in the boost::mpl library |
| // Distributed under the same license as the original. |
| // Copyright for the original version: |
| // Copyright 2005 David Abrahams and Aleksey Gurtovoy. Distributed |
| // under the Boost Software License, Version 1.0. (See accompanying |
| // file LICENSE_1_0.txt or copy at |
| // http://www.boost.org/LICENSE_1_0.txt) |
| |
| #ifndef BOOST_MSM_BACK_ANY_EVENT_H |
| #define BOOST_MSM_BACK_ANY_EVENT_H |
| |
| #include <boost/smart_ptr/scoped_ptr.hpp> |
| #include <boost/msm/back/common_types.hpp> |
| |
| namespace boost { namespace msm { namespace back |
| { |
| class placeholder |
| { |
| public: |
| virtual ::boost::msm::back::HandledEnum process_event() const =0; |
| }; |
| template<class EventType,class FsmType> |
| class holder : public placeholder |
| { |
| public: |
| holder(EventType const& evt, FsmType& fsm){} |
| virtual ::boost::msm::back::HandledEnum process_event() const |
| { |
| //default. Will not be called |
| return HANDLED_TRUE; |
| } |
| private: |
| }; |
| |
| class any_event |
| { |
| public: |
| template <class EventType,class FsmType> |
| any_event(EventType const& evt,FsmType& fsm):content_(new holder<EventType,FsmType>(evt,fsm)){} |
| ::boost::msm::back::HandledEnum process_event() const |
| { |
| return content_->process_event(); |
| } |
| private: |
| |
| ::boost::scoped_ptr<placeholder> content_; |
| }; |
| |
| }}} |
| |
| #endif //BOOST_MSM_BACK_ANY_EVENT_H |
| |