1 #ifndef BOOST_SERIALIZATION_HASH_COLLECTIONS_LOAD_IMP_HPP
2 #define BOOST_SERIALIZATION_HASH_COLLECTIONS_LOAD_IMP_HPP
3 
4 // MS compatible compilers support #pragma once
5 #if defined(_MSC_VER)
6 # pragma once
7 # pragma warning (disable : 4786) // too long name, harmless warning
8 #endif
9 
10 /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
11 // hash_collections_load_imp.hpp: serialization for loading stl collections
12 
13 // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
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 hashed collections
21 #include <boost/config.hpp>
22 #include <boost/serialization/nvp.hpp>
23 #include <boost/serialization/collection_size_type.hpp>
24 #include <boost/serialization/item_version_type.hpp>
25 #include <boost/serialization/library_version_type.hpp>
26 
27 namespace boost{
28 namespace serialization {
29 namespace stl {
30 
31 //////////////////////////////////////////////////////////////////////
32 // implementation of serialization for STL containers
33 //
34 template<class Archive, class Container, class InputFunction>
load_hash_collection(Archive & ar,Container & s)35 inline void load_hash_collection(Archive & ar, Container &s)
36 {
37     collection_size_type count;
38     collection_size_type bucket_count;
39     boost::serialization::item_version_type item_version(0);
40     boost::serialization::library_version_type library_version(
41         ar.get_library_version()
42     );
43     // retrieve number of elements
44     if(boost::serialization::library_version_type(6) != library_version){
45         ar >> BOOST_SERIALIZATION_NVP(count);
46         ar >> BOOST_SERIALIZATION_NVP(bucket_count);
47     }
48     else{
49         // note: fixup for error in version 6.  collection size was
50         // changed to size_t BUT for hashed collections it was implemented
51         // as an unsigned int.  This should be a problem only on win64 machines
52         // but I'll leave it for everyone just in case.
53         unsigned int c;
54         unsigned int bc;
55         ar >> BOOST_SERIALIZATION_NVP(c);
56         count = c;
57         ar >> BOOST_SERIALIZATION_NVP(bc);
58         bucket_count = bc;
59     }
60     if(boost::serialization::library_version_type(3) < library_version){
61         ar >> BOOST_SERIALIZATION_NVP(item_version);
62     }
63     s.clear();
64     #if ! defined(__MWERKS__)
65     s.resize(bucket_count);
66     #endif
67     InputFunction ifunc;
68     while(count-- > 0){
69         ifunc(ar, s, item_version);
70     }
71 }
72 
73 } // namespace stl
74 } // namespace serialization
75 } // namespace boost
76 
77 #endif //BOOST_SERIALIZATION_HASH_COLLECTIONS_LOAD_IMP_HPP
78