1 #ifndef BOOST_SERIALIZATION_FORWARD_LIST_HPP
2 #define BOOST_SERIALIZATION_FORWARD_LIST_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 // forward_list.hpp
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 #include <boost/config.hpp>
20 
21 #include <forward_list>
22 #include <iterator>  // distance
23 
24 #include <boost/serialization/collections_save_imp.hpp>
25 #include <boost/serialization/collections_load_imp.hpp>
26 #include <boost/serialization/nvp.hpp>
27 #include <boost/serialization/collection_size_type.hpp>
28 #include <boost/serialization/item_version_type.hpp>
29 #include <boost/serialization/library_version_type.hpp>
30 #include <boost/serialization/split_free.hpp>
31 #include <boost/serialization/detail/stack_constructor.hpp>
32 #include <boost/serialization/detail/is_default_constructible.hpp>
33 #include <boost/move/utility_core.hpp>
34 
35 namespace boost {
36 namespace serialization {
37 
38 template<class Archive, class U, class Allocator>
save(Archive & ar,const std::forward_list<U,Allocator> & t,const unsigned int)39 inline void save(
40     Archive & ar,
41     const std::forward_list<U, Allocator> &t,
42     const unsigned int /*file_version*/
43 ){
44     const collection_size_type count(std::distance(t.cbegin(), t.cend()));
45     boost::serialization::stl::save_collection<
46         Archive,
47         std::forward_list<U, Allocator>
48     >(ar, t, count);
49 }
50 
51 namespace stl {
52 
53 template<
54     class Archive,
55     class T,
56     class Allocator
57 >
58 typename boost::disable_if<
59     typename detail::is_default_constructible<
60         typename std::forward_list<T, Allocator>::value_type
61     >,
62     void
63 >::type
collection_load_impl(Archive & ar,std::forward_list<T,Allocator> & t,collection_size_type count,item_version_type item_version)64 collection_load_impl(
65     Archive & ar,
66     std::forward_list<T, Allocator> &t,
67     collection_size_type count,
68     item_version_type item_version
69 ){
70     t.clear();
71     boost::serialization::detail::stack_construct<Archive, T> u(ar, item_version);
72     ar >> boost::serialization::make_nvp("item", u.reference());
73     t.push_front(boost::move(u.reference()));
74     typename std::forward_list<T, Allocator>::iterator last;
75     last = t.begin();
76     ar.reset_object_address(&(*t.begin()) , & u.reference());
77     while(--count > 0){
78         detail::stack_construct<Archive, T> u(ar, item_version);
79         ar >> boost::serialization::make_nvp("item", u.reference());
80         last = t.insert_after(last, boost::move(u.reference()));
81         ar.reset_object_address(&(*last) , & u.reference());
82     }
83 }
84 
85 } // stl
86 
87 template<class Archive, class U, class Allocator>
load(Archive & ar,std::forward_list<U,Allocator> & t,const unsigned int)88 inline void load(
89     Archive & ar,
90     std::forward_list<U, Allocator> &t,
91     const unsigned int /*file_version*/
92 ){
93     const boost::serialization::library_version_type library_version(
94         ar.get_library_version()
95     );
96     // retrieve number of elements
97     item_version_type item_version(0);
98     collection_size_type count;
99     ar >> BOOST_SERIALIZATION_NVP(count);
100     if(boost::serialization::library_version_type(3) < library_version){
101         ar >> BOOST_SERIALIZATION_NVP(item_version);
102     }
103     stl::collection_load_impl(ar, t, count, item_version);
104 }
105 
106 // split non-intrusive serialization function member into separate
107 // non intrusive save/load member functions
108 template<class Archive, class U, class Allocator>
serialize(Archive & ar,std::forward_list<U,Allocator> & t,const unsigned int file_version)109 inline void serialize(
110     Archive & ar,
111     std::forward_list<U, Allocator> &t,
112     const unsigned int file_version
113 ){
114     boost::serialization::split_free(ar, t, file_version);
115 }
116 
117 } // serialization
118 } // namespace boost
119 
120 #include <boost/serialization/collection_traits.hpp>
121 
122 BOOST_SERIALIZATION_COLLECTION_TRAITS(std::forward_list)
123 
124 #endif  // BOOST_SERIALIZATION_FORWARD_LIST_HPP
125