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_BACK_TOOLS_H
Chris@16: #define BOOST_MSM_BACK_TOOLS_H
Chris@16: 
Chris@16: 
Chris@16: #include <string>
Chris@16: #include <iostream>
Chris@16: #include <boost/msm/back/common_types.hpp>
Chris@16: #include <boost/msm/back/metafunctions.hpp>
Chris@16: 
Chris@16: namespace boost { namespace msm { namespace back
Chris@16: {
Chris@16: 
Chris@16: // fills the array passed in with the state names in the correct order
Chris@16: // the array must be big enough. To know the needed size, use mpl::size
Chris@16: // on fsm::generate_state_set
Chris@16: template <class stt>
Chris@16: struct fill_state_names
Chris@16: {
Chris@16:     fill_state_names(char const** names):m_names(names){}
Chris@16:     template <class StateType>
Chris@16:     void operator()(boost::msm::wrap<StateType> const&)
Chris@16:     {
Chris@16:         m_names[get_state_id<stt,StateType>::value]= typeid(StateType).name();
Chris@16:     }
Chris@16: private:
Chris@16:     char const** m_names;
Chris@16: };
Chris@16: 
Chris@16: // fills the typeid-generated name of the given state in the string passed as argument
Chris@16: template <class stt>
Chris@16: struct get_state_name
Chris@16: {
Chris@16:     get_state_name(std::string& name_to_fill, int state_id):m_name(name_to_fill),m_state_id(state_id){}
Chris@16:     template <class StateType>
Chris@16:     void operator()(boost::msm::wrap<StateType> const&)
Chris@16:     {
Chris@16:         if (get_state_id<stt,StateType>::value == m_state_id)
Chris@16:         {
Chris@16:             m_name = typeid(StateType).name();
Chris@16:         }
Chris@16:     }
Chris@16: private:
Chris@16:     std::string&    m_name;
Chris@16:     int             m_state_id;
Chris@16: };
Chris@16: 
Chris@16: // displays the typeid of the given Type
Chris@16: struct display_type 
Chris@16: {
Chris@16:     template <class Type>
Chris@16:     void operator()(boost::msm::wrap<Type> const&)
Chris@16:     {
Chris@16:         std::cout << typeid(Type).name() << std::endl;
Chris@16:     }
Chris@16: };
Chris@16: 
Chris@16: } } }//boost::msm::back
Chris@16: #endif //BOOST_MSM_BACK_TOOLS_H