source: NonGTP/Boost/boost/serialization/split_member.hpp @ 857

Revision 857, 2.7 KB checked in by igarcia, 19 years ago (diff)
Line 
1#ifndef BOOST_SERIALIZATION_SPLIT_MEMBER_HPP
2#define BOOST_SERIALIZATION_SPLIT_MEMBER_HPP
3
4// MS compatible compilers support #pragma once
5#if defined(_MSC_VER) && (_MSC_VER >= 1020)
6# pragma once
7#endif
8
9/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
10// split_member.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
23#include <boost/serialization/access.hpp>
24
25namespace boost {
26namespace archive {
27    namespace detail {
28        template<class Archive> class interface_oarchive;
29        template<class Archive> class interface_iarchive;
30    } // namespace detail
31} // namespace archive
32
33namespace serialization {
34namespace detail {
35
36    template<class Archive, class T>
37    struct member_saver {
38        static void invoke(
39            Archive & ar,
40            const T & t,
41            const unsigned int file_version
42        ){
43            access::member_save(ar, t, file_version);
44        }
45    };
46
47    template<class Archive, class T>
48    struct member_loader {
49        static void invoke(
50            Archive & ar,
51            T & t,
52            const unsigned int file_version
53        ){
54            access::member_load(ar, t, file_version);
55        }
56    };
57
58} // detail
59
60template<class Archive, class T>
61inline void split_member(
62    Archive & ar, T & t, const unsigned int file_version
63){
64    typedef BOOST_DEDUCED_TYPENAME mpl::eval_if<
65        BOOST_DEDUCED_TYPENAME Archive::is_saving,
66        mpl::identity<detail::member_saver<Archive, T> >,
67        mpl::identity<detail::member_loader<Archive, T> >
68    >::type typex;
69    typex::invoke(ar, t, file_version);
70}
71
72} // namespace serialization
73} // namespace boost
74
75// split member function serialize funcition into save/load
76#define BOOST_SERIALIZATION_SPLIT_MEMBER()                       \
77template<class Archive>                                          \
78void serialize(                                                  \
79    Archive &ar,                                                 \
80    const unsigned int file_version                              \
81){                                                               \
82    boost::serialization::split_member(ar, *this, file_version); \
83}                                                                \
84/**/
85
86#endif // BOOST_SERIALIZATION_SPLIT_MEMBER_HPP
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