ceph/src/boost/libs/serialization/include/boost/serialization/hash_collections_save_imp.hpp

   1 #ifndef BOOST_SERIALIZATION_HASH_COLLECTIONS_SAVE_IMP_HPP
   2 #define BOOST_SERIALIZATION_HASH_COLLECTIONS_SAVE_IMP_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 // hash_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 #include <boost/serialization/item_version_type.hpp>
  27
  28 namespace boost{
  29 namespace serialization {
  30 namespace stl {
  31
  32 //////////////////////////////////////////////////////////////////////
  33 // implementation of serialization for STL containers
  34 //
  35
  36 template<class Archive, class Container>
  37 inline void save_hash_collection(Archive & ar, const Container &s)
  38 {
  39     collection_size_type count(s.size());
  40     const collection_size_type bucket_count(s.bucket_count());
  41     const item_version_type item_version(
  42         version<typename Container::value_type>::value
  43     );
  44
  45     #if 0
  46     /* should only be necessary to create archives of previous versions
  47      * which is not currently supported.  So for now comment this out
  48      */
  49     boost::archive::library_version_type library_version(
  50         ar.get_library_version()
  51     );
  52     // retrieve number of elements
  53     if(boost::archive::library_version_type(6) != library_version){
  54         ar << BOOST_SERIALIZATION_NVP(count);
  55         ar << BOOST_SERIALIZATION_NVP(bucket_count);
  56     }
  57     else{
  58         // note: fixup for error in version 6.  collection size was
  59         // changed to size_t BUT for hashed collections it was implemented
  60         // as an unsigned int.  This should be a problem only on win64 machines
  61         // but I'll leave it for everyone just in case.
  62         const unsigned int c = count;
  63         const unsigned int bc = bucket_count;
  64         ar << BOOST_SERIALIZATION_NVP(c);
  65         ar << BOOST_SERIALIZATION_NVP(bc);
  66     }
  67     if(boost::archive::library_version_type(3) < library_version){
  68         // record number of elements
  69         // make sure the target type is registered so we can retrieve
  70         // the version when we load
  71         ar << BOOST_SERIALIZATION_NVP(item_version);
  72     }
  73     #else
  74         ar << BOOST_SERIALIZATION_NVP(count);
  75         ar << BOOST_SERIALIZATION_NVP(bucket_count);
  76         ar << BOOST_SERIALIZATION_NVP(item_version);
  77     #endif
  78
  79     typename Container::const_iterator it = s.begin();
  80     while(count-- > 0){
  81         // note borland emits a no-op without the explicit namespace
  82         boost::serialization::save_construct_data_adl(
  83             ar,
  84             &(*it),
  85             boost::serialization::version<
  86                 typename Container::value_type
  87             >::value
  88         );
  89         ar << boost::serialization::make_nvp("item", *it++);
  90     }
  91 }
  92
  93 } // namespace stl
  94 } // namespace serialization
  95 } // namespace boost
  96
  97 #endif //BOOST_SERIALIZATION_HASH_COLLECTIONS_SAVE_IMP_HPP