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55 lines
2.2 KiB
55 lines
2.2 KiB
// 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_ACTIVE_STATE_SWITCHING_POLICIES_H |
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#define BOOST_MSM_ACTIVE_STATE_SWITCHING_POLICIES_H |
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namespace boost { namespace msm |
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{ |
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// policy classes |
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// Default: new active state set after the transition (after entry) |
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struct active_state_switch_after_entry |
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{ |
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static int after_guard(int current_state,int){return current_state;} |
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static int after_exit(int current_state,int){return current_state;} |
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static int after_action(int current_state,int){return current_state;} |
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static int after_entry(int,int next_state){return next_state;} |
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}; |
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// new state set before the transition starts |
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struct active_state_switch_before_transition |
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{ |
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static int after_guard(int,int next_state){return next_state;} |
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static int after_exit(int,int next_state){return next_state;} |
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static int after_action(int,int next_state){return next_state;} |
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static int after_entry(int,int next_state){return next_state;} |
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}; |
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// new state set after exit action completed |
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struct active_state_switch_after_exit |
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{ |
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static int after_guard(int current_state,int){return current_state;} |
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static int after_exit(int,int next_state){return next_state;} |
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static int after_action(int,int next_state){return next_state;} |
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static int after_entry(int,int next_state){return next_state;} |
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}; |
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// new state set after transition action completed |
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struct active_state_switch_after_transition_action |
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{ |
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static int after_guard(int current_state,int){return current_state;} |
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static int after_exit(int current_state,int){return current_state;} |
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static int after_action(int,int next_state){return next_state;} |
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static int after_entry(int,int next_state){return next_state;} |
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}; |
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} }//boost::msm |
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#endif //BOOST_MSM_ACTIVE_STATE_SWITCHING_POLICIES_H
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