boost/serialization/collections_save_imp.hpp

   1 #ifndef BOOST_SERIALIZATION_COLLECTIONS_SAVE_IMP_HPP
   2 #define BOOST_SERIALIZATION_COLLECTIONS_SAVE_IMP_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 // collections_save_imp.hpp: serialization for stl collections
  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 // helper function templates for serialization of collections
  20
  21 #include <boost/config.hpp>
  22 #include <boost/serialization/nvp.hpp>
  23 #include <boost/serialization/serialization.hpp>
  24 #include <boost/serialization/version.hpp>
  25 #include <boost/serialization/collection_size_type.hpp>
  26
  27 namespace boost{
  28 namespace serialization {
  29 namespace stl {
  30
  31 //////////////////////////////////////////////////////////////////////
  32 // implementation of serialization for STL containers
  33 //
  34
  35 template<class Archive, class Container>
  36 inline void save_collection(Archive & ar, const Container &s)
  37 {
  38     // record number of elements
  39     collection_size_type const count(s.size());
  40     ar <<  BOOST_SERIALIZATION_NVP(count);
  41     // make sure the target type is registered so we can retrieve
  42     // the version when we load
  43     if(3 < ar.get_library_version()){
  44         const unsigned int item_version = version<
  45             BOOST_DEDUCED_TYPENAME Container::value_type
  46         >::value;
  47         ar << BOOST_SERIALIZATION_NVP(item_version);
  48     }
  49     BOOST_DEDUCED_TYPENAME Container::const_iterator it = s.begin();
  50     std::size_t c=count;
  51     while(c-- > 0){
  52             // note borland emits a no-op without the explicit namespace
  53             boost::serialization::save_construct_data_adl(
  54                 ar,
  55                 &(*it),
  56                 boost::serialization::version<
  57                     BOOST_DEDUCED_TYPENAME Container::value_type
  58                 >::value
  59             );
  60         ar << boost::serialization::make_nvp("item", *it++);
  61     }
  62 }
  63
  64 } // namespace stl
  65 } // namespace serialization
  66 } // namespace boost
  67
  68 #endif //BOOST_SERIALIZATION_COLLECTIONS_SAVE_IMP_HPP