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
35namespace boost {
36namespace serialization {
37
38template<class Archive, class U, class Allocator>
39inline 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
51namespace stl {
52
53template<
54 class Archive,
55 class T,
56 class Allocator
57>
58typename boost::disable_if<
59 typename detail::is_default_constructible<
60 typename std::forward_list<T, Allocator>::value_type
61 >,
62 void
63>::type
64collection_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
87template<class Archive, class U, class Allocator>
88inline 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
108template<class Archive, class U, class Allocator>
109inline 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
122BOOST_SERIALIZATION_COLLECTION_TRAITS(std::forward_list)
123
124#endif // BOOST_SERIALIZATION_FORWARD_LIST_HPP
125

source code of boost/libs/serialization/include/boost/serialization/forward_list.hpp