1 | // Copyright 2008 Christophe Henry |
2 | // henry UNDERSCORE christophe AT hotmail DOT com |
3 | // This is an extended version of the state machine available in the boost::mpl library |
4 | // Distributed under the same license as the original. |
5 | // Copyright for the original version: |
6 | // Copyright 2005 David Abrahams and Aleksey Gurtovoy. Distributed |
7 | // under the Boost Software License, Version 1.0. (See accompanying |
8 | // file LICENSE_1_0.txt or copy at |
9 | // http://www.boost.org/LICENSE_1_0.txt) |
10 | |
11 | #ifndef BOOST_MSM_FRONT_OPERATOR_H |
12 | #define BOOST_MSM_FRONT_OPERATOR_H |
13 | |
14 | |
15 | |
16 | namespace boost { namespace msm { namespace front |
17 | { |
18 | |
19 | template <class T1,class T2> |
20 | struct Or_ |
21 | { |
22 | template <class EVT,class FSM,class SourceState,class TargetState> |
23 | bool operator()(EVT const& evt, FSM& fsm,SourceState& src,TargetState& tgt) |
24 | { |
25 | return (T1()(evt,fsm,src,tgt) || T2()(evt,fsm,src,tgt)); |
26 | } |
27 | template <class Event,class FSM,class STATE> |
28 | bool operator()(Event const& evt,FSM& fsm,STATE& state) |
29 | { |
30 | return (T1()(evt,fsm,state) || T2()(evt,fsm,state)); |
31 | } |
32 | }; |
33 | template <class T1,class T2> |
34 | struct And_ |
35 | { |
36 | template <class EVT,class FSM,class SourceState,class TargetState> |
37 | bool operator()(EVT const& evt, FSM& fsm,SourceState& src,TargetState& tgt) |
38 | { |
39 | return (T1()(evt,fsm,src,tgt) && T2()(evt,fsm,src,tgt)); |
40 | } |
41 | template <class Event,class FSM,class STATE> |
42 | bool operator()(Event const& evt,FSM& fsm,STATE& state) |
43 | { |
44 | return (T1()(evt,fsm,state) && T2()(evt,fsm,state)); |
45 | } |
46 | }; |
47 | template <class T1> |
48 | struct Not_ |
49 | { |
50 | template <class EVT,class FSM,class SourceState,class TargetState> |
51 | bool operator()(EVT const& evt, FSM& fsm,SourceState& src,TargetState& tgt) |
52 | { |
53 | return !(T1()(evt,fsm,src,tgt)); |
54 | } |
55 | template <class Event,class FSM,class STATE> |
56 | bool operator()(Event const& evt,FSM& fsm,STATE& state) |
57 | { |
58 | return !(T1()(evt,fsm,state)); |
59 | } |
60 | }; |
61 | |
62 | |
63 | }}} |
64 | |
65 | #endif // BOOST_MSM_FRONT_OPERATOR_H |
66 | |