blob: 3b7e2a59a6e219004c471f28c574834615a880c0 (
plain)
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
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
// file : odb/tr1/pointer-traits.hxx
// copyright : Copyright (c) 2009-2015 Code Synthesis Tools CC
// license : GNU GPL v2; see accompanying LICENSE file
#ifndef ODB_TR1_POINTER_TRAITS_HXX
#define ODB_TR1_POINTER_TRAITS_HXX
#include <odb/pre.hxx>
#include <odb/details/config.hxx> // ODB_CXX11
// In VC++ std::shared_ptr and std::tr1::shared_ptr is the same class
// template. One is just a using-declaration for the other.
//
#if !(defined(ODB_CXX11) && defined(_MSC_VER))
//
// This header assumes that the necessary TR1 header has already
// been included.
//
#include <odb/pointer-traits.hxx>
#include <odb/details/meta/remove-const.hxx>
namespace odb
{
// Specialization for std::tr1::shared_ptr.
//
template <typename T>
class pointer_traits<std::tr1::shared_ptr<T> >
{
public:
static const pointer_kind kind = pk_shared;
static const bool lazy = false;
typedef T element_type;
typedef std::tr1::shared_ptr<element_type> pointer_type;
typedef std::tr1::shared_ptr<const element_type> const_pointer_type;
typedef typename odb::details::meta::remove_const<element_type>::result
unrestricted_element_type;
typedef std::tr1::shared_ptr<unrestricted_element_type>
unrestricted_pointer_type;
typedef smart_ptr_guard<pointer_type> guard;
static element_type*
get_ptr (const pointer_type& p)
{
return p.get ();
}
static element_type&
get_ref (const pointer_type& p)
{
return *p;
}
static bool
null_ptr (const pointer_type& p)
{
return !p;
}
static unrestricted_pointer_type
const_pointer_cast (const pointer_type& p)
{
return std::tr1::const_pointer_cast<unrestricted_element_type> (p);
}
template <typename T1>
static std::tr1::shared_ptr<T1>
static_pointer_cast (const pointer_type& p)
{
return std::tr1::static_pointer_cast<T1> (p);
}
template <typename T1>
static std::tr1::shared_ptr<T1>
dynamic_pointer_cast (const pointer_type& p)
{
return std::tr1::dynamic_pointer_cast<T1> (p);
}
public:
static void*
allocate (std::size_t n)
{
return operator new (n);
}
static void
free (void* p)
{
operator delete (p);
}
};
// Specialization for std::tr1::weak_ptr.
//
template <typename T>
class pointer_traits<std::tr1::weak_ptr<T> >
{
public:
static const pointer_kind kind = pk_weak;
static const bool lazy = false;
typedef T element_type;
typedef std::tr1::weak_ptr<element_type> pointer_type;
typedef std::tr1::shared_ptr<element_type> strong_pointer_type;
static strong_pointer_type
lock (const pointer_type& p)
{
return p.lock ();
}
};
}
#endif // !(ODB_CXX11 && _MSC_VER)
#include <odb/post.hxx>
#endif // ODB_TR1_POINTER_TRAITS_HXX
|