// Copyright 2008 Christophe Henry
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// henry UNDERSCORE christophe AT hotmail DOT com
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// This is an extended version of the state machine available in the boost::mpl library
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// Distributed under the same license as the original.
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// Copyright for the original version:
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// Copyright 2005 David Abrahams and Aleksey Gurtovoy. Distributed
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// under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_MSM_BACK_TOOLS_H
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#define BOOST_MSM_BACK_TOOLS_H
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#include <string>
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#include <iostream>
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#include <boost/msm/back/common_types.hpp>
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#include <boost/msm/back/metafunctions.hpp>
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namespace boost { namespace msm { namespace back
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{
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// fills the array passed in with the state names in the correct order
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// the array must be big enough. To know the needed size, use mpl::size
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// on fsm::generate_state_set
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template <class stt>
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struct fill_state_names
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{
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fill_state_names(char const** names):m_names(names){}
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template <class StateType>
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void operator()(boost::msm::wrap<StateType> const&)
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{
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m_names[get_state_id<stt,StateType>::value]= typeid(StateType).name();
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}
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private:
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char const** m_names;
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};
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// fills the typeid-generated name of the given state in the string passed as argument
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template <class stt>
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struct get_state_name
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{
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get_state_name(std::string& name_to_fill, int state_id):m_name(name_to_fill),m_state_id(state_id){}
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template <class StateType>
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void operator()(boost::msm::wrap<StateType> const&)
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{
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if (get_state_id<stt,StateType>::value == m_state_id)
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{
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m_name = typeid(StateType).name();
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}
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}
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private:
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std::string& m_name;
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int m_state_id;
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};
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// displays the typeid of the given Type
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struct display_type
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{
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template <class Type>
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void operator()(boost::msm::wrap<Type> const&)
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{
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std::cout << typeid(Type).name() << std::endl;
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}
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};
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} } }//boost::msm::back
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#endif //BOOST_MSM_BACK_TOOLS_H
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