1#ifndef BOOST_SERIALIZATION_WEAK_PTR_HPP
2#define BOOST_SERIALIZATION_WEAK_PTR_HPP
3
4// MS compatible compilers support #pragma once
5#if defined(_MSC_VER)
6# pragma once
7#endif
8
9/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
10// weak_ptr.hpp: serialization for boost weak pointer
11
12// (C) Copyright 2004 Robert Ramey and Martin Ecker
13// Use, modification and distribution is subject to the Boost Software
14// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
15// http://www.boost.org/LICENSE_1_0.txt)
16
17// See http://www.boost.org for updates, documentation, and revision history.
18
19#include <boost/weak_ptr.hpp>
20#include <boost/serialization/shared_ptr.hpp>
21
22namespace boost {
23namespace serialization{
24
25template<class Archive, class T>
26inline void save(
27 Archive & ar,
28 const boost::weak_ptr< T > &t,
29 const unsigned int /* file_version */
30){
31 const boost::shared_ptr< T > sp = t.lock();
32 ar << boost::serialization::make_nvp("weak_ptr", sp);
33}
34
35template<class Archive, class T>
36inline void load(
37 Archive & ar,
38 boost::weak_ptr< T > &t,
39 const unsigned int /* file_version */
40){
41 boost::shared_ptr< T > sp;
42 ar >> boost::serialization::make_nvp("weak_ptr", sp);
43 t = sp;
44}
45
46template<class Archive, class T>
47inline void serialize(
48 Archive & ar,
49 boost::weak_ptr< T > &t,
50 const unsigned int file_version
51){
52 boost::serialization::split_free(ar, t, file_version);
53}
54
55} // namespace serialization
56} // namespace boost
57
58#ifndef BOOST_NO_CXX11_SMART_PTR
59#include <memory>
60
61namespace boost {
62namespace serialization{
63
64template<class Archive, class T>
65inline void save(
66 Archive & ar,
67 const std::weak_ptr< T > &t,
68 const unsigned int /* file_version */
69){
70 const std::shared_ptr< T > sp = t.lock();
71 ar << boost::serialization::make_nvp("weak_ptr", sp);
72}
73
74template<class Archive, class T>
75inline void load(
76 Archive & ar,
77 std::weak_ptr< T > &t,
78 const unsigned int /* file_version */
79){
80 std::shared_ptr< T > sp;
81 ar >> boost::serialization::make_nvp("weak_ptr", sp);
82 t = sp;
83}
84
85template<class Archive, class T>
86inline void serialize(
87 Archive & ar,
88 std::weak_ptr< T > &t,
89 const unsigned int file_version
90){
91 boost::serialization::split_free(ar, t, file_version);
92}
93
94} // namespace serialization
95} // namespace boost
96
97#endif // BOOST_NO_CXX11_SMART_PTR
98
99#endif // BOOST_SERIALIZATION_WEAK_PTR_HPP
100

source code of boost/libs/serialization/include/boost/serialization/weak_ptr.hpp