Chris@16: // Copyright 2008 Christophe Henry
Chris@16: // henry UNDERSCORE christophe AT hotmail DOT com
Chris@16: // This is an extended version of the state machine available in the boost::mpl library
Chris@16: // Distributed under the same license as the original.
Chris@16: // Copyright for the original version:
Chris@16: // Copyright 2005 David Abrahams and Aleksey Gurtovoy. Distributed
Chris@16: // under the Boost Software License, Version 1.0. (See accompanying
Chris@16: // file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: #ifndef BOOST_MSM_EVENT_TRAITS_H
Chris@16: #define BOOST_MSM_EVENT_TRAITS_H
Chris@16: 
Chris@16: #include <boost/any.hpp>
Chris@16: #include <boost/mpl/bool.hpp>
Chris@16: 
Chris@16: namespace boost { namespace msm
Chris@16: {
Chris@16: 
Chris@16: template< typename Event > 
Chris@16: struct is_kleene_event
Chris@16: {
Chris@16:   // default: no event is a kleene event (kleene: matches any event in a transitions)
Chris@16:   typedef ::boost::mpl::false_ type;
Chris@16: };
Chris@16: 
Chris@16: // add this way in this namespace specializations for events which you want to use as kleene
Chris@16: // requirement: a copy-constructor matching the events which will be converted to this kleene
Chris@16: template<> 
Chris@16: struct is_kleene_event< boost::any >
Chris@16: { 
Chris@16:   typedef ::boost::mpl::true_ type;
Chris@16: };
Chris@16: 
Chris@16: } } // boost::msm
Chris@16: #endif //BOOST_MSM_EVENT_TRAITS_H