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 #include <boost/serialization/library_version_type.hpp>
29 
30 namespace boost{
31 namespace serialization {
32 namespace stl {
33 
34 //////////////////////////////////////////////////////////////////////
35 // implementation of serialization for STL containers
36 //
37 
38 template<class Archive, class Container>
save_unordered_collection(Archive & ar,const Container & s)39 inline void save_unordered_collection(Archive & ar, const Container &s)
40 {
41     collection_size_type count(s.size());
42     const collection_size_type bucket_count(s.bucket_count());
43     const item_version_type item_version(
44         version<typename Container::value_type>::value
45     );
46 
47     #if 0
48     /* should only be necessary to create archives of previous versions
49      * which is not currently supported.  So for now comment this out
50      */
51     boost::serialization::library_version_type library_version(
52         ar.get_library_version()
53     );
54     // retrieve number of elements
55 	ar << BOOST_SERIALIZATION_NVP(count);
56 	ar << BOOST_SERIALIZATION_NVP(bucket_count);
57     if(boost::serialization::library_version_type(3) < library_version){
58         // record number of elements
59         // make sure the target type is registered so we can retrieve
60         // the version when we load
61         ar << BOOST_SERIALIZATION_NVP(item_version);
62     }
63     #else
64         ar << BOOST_SERIALIZATION_NVP(count);
65         ar << BOOST_SERIALIZATION_NVP(bucket_count);
66         ar << BOOST_SERIALIZATION_NVP(item_version);
67     #endif
68 
69     typename Container::const_iterator it = s.begin();
70     while(count-- > 0){
71         // note borland emits a no-op without the explicit namespace
72         boost::serialization::save_construct_data_adl(
73             ar,
74             &(*it),
75             boost::serialization::version<
76                 typename Container::value_type
77             >::value
78         );
79         ar << boost::serialization::make_nvp("item", *it++);
80     }
81 }
82 
83 } // namespace stl
84 } // namespace serialization
85 } // namespace boost
86 
87 #endif //BOOST_SERIALIZATION_UNORDERED_COLLECTIONS_SAVE_IMP_HPP
88