]>
Commit | Line | Data |
---|---|---|
7c673cae FG |
1 | /* Copyright 2003-2014 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/multi_index for library home page. | |
7 | */ | |
8 | ||
9 | #ifndef BOOST_MULTI_INDEX_DETAIL_HASH_INDEX_ITERATOR_HPP | |
10 | #define BOOST_MULTI_INDEX_DETAIL_HASH_INDEX_ITERATOR_HPP | |
11 | ||
12 | #if defined(_MSC_VER) | |
13 | #pragma once | |
14 | #endif | |
15 | ||
16 | #include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */ | |
17 | #include <boost/operators.hpp> | |
18 | ||
19 | #if !defined(BOOST_MULTI_INDEX_DISABLE_SERIALIZATION) | |
20 | #include <boost/serialization/nvp.hpp> | |
21 | #include <boost/serialization/split_member.hpp> | |
22 | #include <boost/serialization/version.hpp> | |
23 | #endif | |
24 | ||
25 | namespace boost{ | |
26 | ||
27 | namespace multi_index{ | |
28 | ||
29 | namespace detail{ | |
30 | ||
31 | /* Iterator class for hashed indices. | |
32 | */ | |
33 | ||
34 | struct hashed_index_global_iterator_tag{}; | |
35 | struct hashed_index_local_iterator_tag{}; | |
36 | ||
37 | template<typename Node,typename BucketArray,typename Category> | |
38 | class hashed_index_iterator: | |
39 | public forward_iterator_helper< | |
40 | hashed_index_iterator<Node,BucketArray,Category>, | |
41 | typename Node::value_type, | |
42 | std::ptrdiff_t, | |
43 | const typename Node::value_type*, | |
44 | const typename Node::value_type&> | |
45 | { | |
46 | public: | |
47 | /* coverity[uninit_ctor]: suppress warning */ | |
48 | hashed_index_iterator(){} | |
49 | hashed_index_iterator(Node* node_):node(node_){} | |
50 | ||
51 | const typename Node::value_type& operator*()const | |
52 | { | |
53 | return node->value(); | |
54 | } | |
55 | ||
56 | hashed_index_iterator& operator++() | |
57 | { | |
58 | this->increment(Category()); | |
59 | return *this; | |
60 | } | |
61 | ||
62 | #if !defined(BOOST_MULTI_INDEX_DISABLE_SERIALIZATION) | |
63 | /* Serialization. As for why the following is public, | |
64 | * see explanation in safe_mode_iterator notes in safe_mode.hpp. | |
65 | */ | |
66 | ||
67 | BOOST_SERIALIZATION_SPLIT_MEMBER() | |
68 | ||
69 | typedef typename Node::base_type node_base_type; | |
70 | ||
71 | template<class Archive> | |
72 | void save(Archive& ar,const unsigned int)const | |
73 | { | |
74 | node_base_type* bnode=node; | |
75 | ar<<serialization::make_nvp("pointer",bnode); | |
76 | } | |
77 | ||
78 | template<class Archive> | |
79 | void load(Archive& ar,const unsigned int version) | |
80 | { | |
81 | load(ar,version,Category()); | |
82 | } | |
83 | ||
84 | template<class Archive> | |
85 | void load( | |
86 | Archive& ar,const unsigned int version,hashed_index_global_iterator_tag) | |
87 | { | |
88 | node_base_type* bnode; | |
89 | ar>>serialization::make_nvp("pointer",bnode); | |
90 | node=static_cast<Node*>(bnode); | |
91 | if(version<1){ | |
92 | BucketArray* throw_away; /* consume unused ptr */ | |
93 | ar>>serialization::make_nvp("pointer",throw_away); | |
94 | } | |
95 | } | |
96 | ||
97 | template<class Archive> | |
98 | void load( | |
99 | Archive& ar,const unsigned int version,hashed_index_local_iterator_tag) | |
100 | { | |
101 | node_base_type* bnode; | |
102 | ar>>serialization::make_nvp("pointer",bnode); | |
103 | node=static_cast<Node*>(bnode); | |
104 | if(version<1){ | |
105 | BucketArray* buckets; | |
106 | ar>>serialization::make_nvp("pointer",buckets); | |
107 | if(buckets&&node&&node->impl()==buckets->end()->prior()){ | |
108 | /* end local_iterators used to point to end node, now they are null */ | |
109 | node=0; | |
110 | } | |
111 | } | |
112 | } | |
113 | #endif | |
114 | ||
115 | /* get_node is not to be used by the user */ | |
116 | ||
117 | typedef Node node_type; | |
118 | ||
119 | Node* get_node()const{return node;} | |
120 | ||
121 | private: | |
122 | ||
123 | void increment(hashed_index_global_iterator_tag) | |
124 | { | |
125 | Node::increment(node); | |
126 | } | |
127 | ||
128 | void increment(hashed_index_local_iterator_tag) | |
129 | { | |
130 | Node::increment_local(node); | |
131 | } | |
132 | ||
133 | Node* node; | |
134 | }; | |
135 | ||
136 | template<typename Node,typename BucketArray,typename Category> | |
137 | bool operator==( | |
138 | const hashed_index_iterator<Node,BucketArray,Category>& x, | |
139 | const hashed_index_iterator<Node,BucketArray,Category>& y) | |
140 | { | |
141 | return x.get_node()==y.get_node(); | |
142 | } | |
143 | ||
144 | } /* namespace multi_index::detail */ | |
145 | ||
146 | } /* namespace multi_index */ | |
147 | ||
148 | #if !defined(BOOST_MULTI_INDEX_DISABLE_SERIALIZATION) | |
149 | /* class version = 1 : hashed_index_iterator does no longer serialize a bucket | |
150 | * array pointer. | |
151 | */ | |
152 | ||
153 | namespace serialization { | |
154 | template<typename Node,typename BucketArray,typename Category> | |
155 | struct version< | |
156 | boost::multi_index::detail::hashed_index_iterator<Node,BucketArray,Category> | |
157 | > | |
158 | { | |
159 | BOOST_STATIC_CONSTANT(int,value=1); | |
160 | }; | |
161 | } /* namespace serialization */ | |
162 | #endif | |
163 | ||
164 | } /* namespace boost */ | |
165 | ||
166 | #endif |