1 | #ifndef BOOST_STATECHART_STATE_HPP_INCLUDED |
2 | #define BOOST_STATECHART_STATE_HPP_INCLUDED |
3 | ////////////////////////////////////////////////////////////////////////////// |
4 | // Copyright 2002-2006 Andreas Huber Doenni |
5 | // Distributed under the Boost Software License, Version 1.0. (See accompany- |
6 | // ing file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
7 | ////////////////////////////////////////////////////////////////////////////// |
8 | |
9 | |
10 | |
11 | #include <boost/statechart/simple_state.hpp> |
12 | |
13 | #include <boost/mpl/list.hpp> |
14 | |
15 | |
16 | |
17 | namespace boost |
18 | { |
19 | namespace statechart |
20 | { |
21 | |
22 | |
23 | |
24 | template< class MostDerived, |
25 | class Context, |
26 | class InnerInitial = mpl::list<>, |
27 | history_mode historyMode = has_no_history > |
28 | class state : public simple_state< |
29 | MostDerived, Context, InnerInitial, historyMode > |
30 | { |
31 | typedef simple_state< MostDerived, Context, InnerInitial, historyMode > |
32 | base_type; |
33 | |
34 | protected: |
35 | ////////////////////////////////////////////////////////////////////////// |
36 | struct my_context |
37 | { |
38 | my_context( typename base_type::context_ptr_type pContext ) : |
39 | pContext_( pContext ) |
40 | { |
41 | } |
42 | |
43 | typename base_type::context_ptr_type pContext_; |
44 | }; |
45 | |
46 | typedef state my_base; |
47 | |
48 | state( my_context ctx ) |
49 | { |
50 | this->set_context( ctx.pContext_ ); |
51 | } |
52 | |
53 | ~state() {} |
54 | |
55 | public: |
56 | ////////////////////////////////////////////////////////////////////////// |
57 | // The following declarations should be private. |
58 | // They are only public because many compilers lack template friends. |
59 | ////////////////////////////////////////////////////////////////////////// |
60 | // See base class for documentation |
61 | typedef typename base_type::outermost_context_base_type |
62 | outermost_context_base_type; |
63 | typedef typename base_type::inner_context_ptr_type inner_context_ptr_type; |
64 | typedef typename base_type::context_ptr_type context_ptr_type; |
65 | typedef typename base_type::inner_initial_list inner_initial_list; |
66 | |
67 | static void initial_deep_construct( |
68 | outermost_context_base_type & outermostContextBase ) |
69 | { |
70 | deep_construct( pContext: &outermostContextBase, outermostContextBase ); |
71 | } |
72 | |
73 | // See base class for documentation |
74 | static void deep_construct( |
75 | const context_ptr_type & pContext, |
76 | outermost_context_base_type & outermostContextBase ) |
77 | { |
78 | const inner_context_ptr_type pInnerContext( |
79 | shallow_construct( pContext, outermostContextBase ) ); |
80 | base_type::template deep_construct_inner< inner_initial_list >( |
81 | pInnerContext, outermostContextBase ); |
82 | } |
83 | |
84 | static inner_context_ptr_type shallow_construct( |
85 | const context_ptr_type & pContext, |
86 | outermost_context_base_type & outermostContextBase ) |
87 | { |
88 | const inner_context_ptr_type pInnerContext( |
89 | new MostDerived( my_context( pContext ) ) ); |
90 | outermostContextBase.add( pInnerContext ); |
91 | return pInnerContext; |
92 | } |
93 | }; |
94 | |
95 | |
96 | |
97 | } // namespace statechart |
98 | } // namespace boost |
99 | |
100 | |
101 | |
102 | #endif |
103 | |