/usr/include/boost/msm/front/detail
Edit: /usr/include/boost/msm/front/detail/common_states.hpp (2872B)
// 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_FRONT_DETAILS_COMMON_STATES_H
#define BOOST_MSM_FRONT_DETAILS_COMMON_STATES_H
#include
#include
#include
#include
#include
namespace boost { namespace msm { namespace front {namespace detail
{
template >
struct inherit_attributes
{
inherit_attributes():m_attributes(){}
inherit_attributes(Attributes const& the_attributes):m_attributes(the_attributes){}
// on the fly attribute creation capability
typedef Attributes attributes_type;
template
typename ::boost::fusion::result_of::at_key::type
get_attribute(Index const&)
{
return ::boost::fusion::at_key(m_attributes);
}
template
typename ::boost::add_const<
typename ::boost::fusion::result_of::at_key::type>::type
get_attribute(Index const&)const
{
return const_cast<
typename ::boost::add_const<
typename ::boost::fusion::result_of::at_key< attributes_type,
Index >::type>::type>
(::boost::fusion::at_key(m_attributes));
}
private:
// attributes
Attributes m_attributes;
};
// the interface for all states. Defines entry and exit functions. Overwrite to implement for any state needing it.
template >
struct state_base : public inherit_attributes, USERBASE
{
typedef USERBASE user_state_base;
typedef Attributes attributes_type;
// empty implementation for the states not wishing to define an entry condition
// will not be called polymorphic way
template
void on_entry(Event const& ,FSM&){}
template
void on_exit(Event const&,FSM& ){}
// default (empty) transition table;
typedef ::boost::mpl::vector0<> internal_transition_table;
typedef ::boost::mpl::vector0<> transition_table;
};
}}}}
#endif //BOOST_MSM_FRONT_DETAILS_COMMON_STATES_H