boost/serialization/split_member.hpp

   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
  25 namespace boost {
  26 namespace 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
  33 namespace serialization {
  34 namespace 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
  60 template<class Archive, class T>
  61 inline 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()                       \
  77 template<class Archive>                                          \
  78 void 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