1 /* Copyright 2006-2015 Joaquin M Lopez Munoz.
2 * Distributed under the Boost Software License, Version 1.0.
3 * (See accompanying file LICENSE_1_0.txt or copy at
4 * http://www.boost.org/LICENSE_1_0.txt)
5 *
6 * See http://www.boost.org/libs/flyweight for library home page.
7 */
8
9 #ifndef BOOST_FLYWEIGHT_SERIALIZE_HPP
10 #define BOOST_FLYWEIGHT_SERIALIZE_HPP
11
12 #if defined(_MSC_VER)&&(_MSC_VER>=1200)
13 #pragma once
14 #endif
15
16 #include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
17 #include <boost/flyweight/flyweight_fwd.hpp>
18 #include <boost/flyweight/detail/archive_constructed.hpp>
19 #include <boost/flyweight/detail/serialization_helper.hpp>
20 #include <boost/serialization/nvp.hpp>
21 #include <boost/serialization/split_free.hpp>
22 #include <boost/throw_exception.hpp>
23 #include <memory>
24
25 /* Serialization routines for flyweight<T>.
26 */
27
28 namespace boost{
29
30 namespace serialization{
31
32 template<
33 class Archive,
34 typename T,typename Arg1,typename Arg2,typename Arg3
35 >
serialize(Archive & ar,::boost::flyweights::flyweight<T,Arg1,Arg2,Arg3> & f,const unsigned int version)36 inline void serialize(
37 Archive& ar,::boost::flyweights::flyweight<T,Arg1,Arg2,Arg3>& f,
38 const unsigned int version)
39 {
40 split_free(ar,f,version);
41 }
42
43 template<
44 class Archive,
45 typename T,typename Arg1,typename Arg2,typename Arg3
46 >
save(Archive & ar,const::boost::flyweights::flyweight<T,Arg1,Arg2,Arg3> & f,const unsigned int)47 void save(
48 Archive& ar,const ::boost::flyweights::flyweight<T,Arg1,Arg2,Arg3>& f,
49 const unsigned int /*version*/)
50 {
51 typedef ::boost::flyweights::flyweight<T,Arg1,Arg2,Arg3> flyweight;
52 typedef ::boost::flyweights::detail::save_helper<flyweight> helper;
53 typedef typename helper::size_type size_type;
54
55 helper& hlp=ar.template get_helper<helper>();
56
57 size_type n=hlp.find(f);
58 ar<<make_nvp("item",n);
59 if(n==hlp.size()){
60 ar<<make_nvp("key",f.get_key());
61 hlp.push_back(f);
62 }
63 }
64
65 template<
66 class Archive,
67 typename T,typename Arg1,typename Arg2,typename Arg3
68 >
load(Archive & ar,::boost::flyweights::flyweight<T,Arg1,Arg2,Arg3> & f,const unsigned int version)69 void load(
70 Archive& ar,::boost::flyweights::flyweight<T,Arg1,Arg2,Arg3>& f,
71 const unsigned int version)
72 {
73 typedef ::boost::flyweights::flyweight<T,Arg1,Arg2,Arg3> flyweight;
74 typedef typename flyweight::key_type key_type;
75 typedef ::boost::flyweights::detail::load_helper<flyweight> helper;
76 typedef typename helper::size_type size_type;
77
78 helper& hlp=ar.template get_helper<helper>();
79
80 size_type n=0;
81 ar>>make_nvp("item",n);
82 if(n>hlp.size()){
83 throw_exception(
84 archive::archive_exception(archive::archive_exception::other_exception));
85 }
86 else if(n==hlp.size()){
87 ::boost::flyweights::detail::archive_constructed<key_type> k(
88 "key",ar,version);
89 hlp.push_back(flyweight(k.get()));
90 }
91 f=hlp[n];
92 }
93
94 } /* namespace serialization */
95
96 } /* namespace boost */
97
98 #endif
99