ecency-mobile/ios/Pods/boost-for-react-native/boost/msm/back/tools.hpp

69 lines
2.0 KiB
C++

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