1#ifndef BOOST_SERIALIZATION_SPLIT_FREE_HPP
2#define BOOST_SERIALIZATION_SPLIT_FREE_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// split_free.hpp:
11
12// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
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/config.hpp>
20#include <boost/mpl/eval_if.hpp>
21#include <boost/mpl/identity.hpp>
22#include <boost/serialization/serialization.hpp>
23
24namespace boost {
25namespace archive {
26 namespace detail {
27 template<class Archive> class interface_oarchive;
28 template<class Archive> class interface_iarchive;
29 } // namespace detail
30} // namespace archive
31
32namespace serialization {
33
34//namespace detail {
35template<class Archive, class T>
36struct free_saver {
37 static void invoke(
38 Archive & ar,
39 const T & t,
40 const unsigned int file_version
41 ){
42 // use function overload (version_type) to workaround
43 // two-phase lookup issue
44 const version_type v(file_version);
45 save(ar, t, v);
46 }
47};
48template<class Archive, class T>
49struct free_loader {
50 static void invoke(
51 Archive & ar,
52 T & t,
53 const unsigned int file_version
54 ){
55 // use function overload (version_type) to workaround
56 // two-phase lookup issue
57 const version_type v(file_version);
58 load(ar, t, v);
59 }
60};
61//} // namespace detail
62
63template<class Archive, class T>
64inline void split_free(
65 Archive & ar,
66 T & t,
67 const unsigned int file_version
68){
69 typedef typename mpl::eval_if<
70 typename Archive::is_saving,
71 mpl::identity</* detail:: */ free_saver<Archive, T> >,
72 mpl::identity</* detail:: */ free_loader<Archive, T> >
73 >::type typex;
74 typex::invoke(ar, t, file_version);
75}
76
77} // namespace serialization
78} // namespace boost
79
80#define BOOST_SERIALIZATION_SPLIT_FREE(T) \
81namespace boost { namespace serialization { \
82template<class Archive> \
83inline void serialize( \
84 Archive & ar, \
85 T & t, \
86 const unsigned int file_version \
87){ \
88 split_free(ar, t, file_version); \
89} \
90}}
91/**/
92
93#endif // BOOST_SERIALIZATION_SPLIT_FREE_HPP
94

source code of boost/boost/serialization/split_free.hpp