ceph/src/boost/boost/serialization/unordered_collections_save_imp.hpp

   1 #ifndef BOOST_SERIALIZATION_UNORDERED_COLLECTIONS_SAVE_IMP_HPP
   2 #define BOOST_SERIALIZATION_UNORDERED_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 // hash_collections_save_imp.hpp: serialization for stl collections
  11
  12 // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
  13 // (C) Copyright 2014 Jim Bell
  14 // Use, modification and distribution is subject to the Boost Software
  15 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  16 // http://www.boost.org/LICENSE_1_0.txt)
  17
  18 //  See http://www.boost.org for updates, documentation, and revision history.
  19
  20 // helper function templates for serialization of collections
  21
  22 #include <boost/config.hpp>
  23 #include <boost/serialization/nvp.hpp>
  24 #include <boost/serialization/serialization.hpp>
  25 #include <boost/serialization/version.hpp>
  26 #include <boost/serialization/collection_size_type.hpp>
  27 #include <boost/serialization/item_version_type.hpp>
  28
  29 namespace boost{
  30 namespace serialization {
  31 namespace stl {
  32
  33 //////////////////////////////////////////////////////////////////////
  34 // implementation of serialization for STL containers
  35 //
  36
  37 template<class Archive, class Container>
  38 inline void save_unordered_collection(Archive & ar, const Container &s)
  39 {
  40     collection_size_type count(s.size());
  41     const collection_size_type bucket_count(s.bucket_count());
  42     const item_version_type item_version(
  43         version<typename Container::value_type>::value
  44     );
  45
  46     #if 0
  47     /* should only be necessary to create archives of previous versions
  48      * which is not currently supported.  So for now comment this out
  49      */
  50     boost::archive::library_version_type library_version(
  51         ar.get_library_version()
  52     );
  53     // retrieve number of elements
  54         ar << BOOST_SERIALIZATION_NVP(count);
  55         ar << BOOST_SERIALIZATION_NVP(bucket_count);
  56     if(boost::archive::library_version_type(3) < library_version){
  57         // record number of elements
  58         // make sure the target type is registered so we can retrieve
  59         // the version when we load
  60         ar << BOOST_SERIALIZATION_NVP(item_version);
  61     }
  62     #else
  63         ar << BOOST_SERIALIZATION_NVP(count);
  64         ar << BOOST_SERIALIZATION_NVP(bucket_count);
  65         ar << BOOST_SERIALIZATION_NVP(item_version);
  66     #endif
  67
  68     typename Container::const_iterator it = s.begin();
  69     while(count-- > 0){
  70         // note borland emits a no-op without the explicit namespace
  71         boost::serialization::save_construct_data_adl(
  72             ar,
  73             &(*it),
  74             boost::serialization::version<
  75                 typename Container::value_type
  76             >::value
  77         );
  78         ar << boost::serialization::make_nvp("item", *it++);
  79     }
  80 }
  81
  82 } // namespace stl
  83 } // namespace serialization
  84 } // namespace boost
  85
  86 #endif //BOOST_SERIALIZATION_UNORDERED_COLLECTIONS_SAVE_IMP_HPP