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