| // 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_EVENT_TRAITS_H |
| #define BOOST_MSM_EVENT_TRAITS_H |
| |
| #include <boost/any.hpp> |
| #include <boost/mpl/bool.hpp> |
| |
| namespace boost { namespace msm |
| { |
| |
| template< typename Event > |
| struct is_kleene_event |
| { |
| // default: no event is a kleene event (kleene: matches any event in a transitions) |
| typedef ::boost::mpl::false_ type; |
| }; |
| |
| // add this way in this namespace specializations for events which you want to use as kleene |
| // requirement: a copy-constructor matching the events which will be converted to this kleene |
| template<> |
| struct is_kleene_event< boost::any > |
| { |
| typedef ::boost::mpl::true_ type; |
| }; |
| |
| } } // boost::msm |
| #endif //BOOST_MSM_EVENT_TRAITS_H |
