mdds
collection.hpp
1/*************************************************************************
2 *
3 * Copyright (c) 2016 Kohei Yoshida
4 *
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26 ************************************************************************/
27
28#ifndef INCLUDED_MDDS_COLLECTION_HPP
29#define INCLUDED_MDDS_COLLECTION_HPP
30
31#include "mdds/multi_type_vector/types.hpp"
32
33#include <type_traits>
34#include <vector>
35#include <memory>
36
37namespace mdds { namespace mtv {
38
39template<typename _MtvT>
40class collection;
41
42namespace detail {
43
44template<typename _MtvT>
46{
47 typedef _MtvT mtv_type;
49
50 typedef typename mtv_type::size_type size_type;
51 typedef typename mtv_type::const_iterator const_iterator;
52 typedef typename mtv_type::const_position_type const_position_type;
53
55 struct mtv_item
56 {
57 const mtv_type* vector;
58 const_iterator block_pos;
59 const_iterator block_end;
60
61 mtv_item(const mtv_type* v, const const_iterator& bp, const const_iterator& be)
62 : vector(v), block_pos(bp), block_end(be)
63 {}
64 };
65
67 struct node
68 {
69 friend class side_iterator;
70
72 mdds::mtv::element_t type;
73
75 size_type index;
76
78 size_type position;
79
80 template<typename _Blk>
81 typename _Blk::value_type get() const
82 {
83 return _Blk::get_value(*__position.first->data, __position.second);
84 }
85
86 private:
88 const_position_type __position;
89 };
90
91 enum begin_state_type
92 {
93 begin_state
94 };
95 enum end_state_type
96 {
97 end_state
98 };
99
100 std::vector<mtv_item> m_vectors;
101 node m_cur_node;
102 size_type m_elem_pos;
103 size_type m_elem_pos_end;
104 size_type m_index_offset;
105 uintptr_t m_identity;
106
108 std::vector<mtv_item>&& vectors, size_type elem_pos, size_type elem_size, size_type index_offset,
109 uintptr_t identity, begin_state_type);
110
112 std::vector<mtv_item>&& vectors, size_type elem_pos, size_type elem_size, size_type index_offset,
113 uintptr_t identity, end_state_type);
114
115public:
116 typedef node value_type;
117
119
120 template<typename _T>
121 side_iterator(const _T& begin, const _T& end);
122
123 const value_type& operator*() const
124 {
125 return m_cur_node;
126 }
127
128 const value_type* operator->() const
129 {
130 return &m_cur_node;
131 }
132
133 side_iterator& operator++();
134
135 side_iterator operator++(int);
136
137 bool operator==(const side_iterator& other) const;
138 bool operator!=(const side_iterator& other) const;
139};
140
141} // namespace detail
142
149template<typename _MtvT>
151{
152public:
153 typedef _MtvT mtv_type;
154 typedef typename mtv_type::size_type size_type;
155
156private:
157 struct range
158 {
159 size_type start;
160 size_type size;
161
162 range() : start(0), size(0)
163 {}
164 };
165
166 std::vector<const mtv_type*> m_vectors;
167 size_type m_mtv_size;
168 uintptr_t m_identity;
169
170 range m_elem_range;
171 range m_col_range;
172
173public:
175
176 collection();
177
187 template<typename _T>
188 collection(const _T& begin, const _T& end);
189
197
206
214 size_type size() const;
215
221 void swap(collection& other);
222
237 void set_collection_range(size_type start, size_type size);
238
255 void set_element_range(size_type start, size_type size);
256
257private:
258 void check_collection_range(size_type start, size_type size) const;
259 void check_element_range(size_type start, size_type size) const;
260
261 std::vector<typename const_iterator::mtv_item> build_iterator_state() const;
262
263 void init_insert_vector(const std::unique_ptr<mtv_type>& p);
264
265 void init_insert_vector(const std::shared_ptr<mtv_type>& p);
266
267 template<typename _T>
268 void init_insert_vector(const _T& t, typename std::enable_if<std::is_pointer<_T>::value>::type* = 0);
269
270 template<typename _T>
271 void init_insert_vector(const _T& t, typename std::enable_if<!std::is_pointer<_T>::value>::type* = 0);
272
273 void check_vector_size(const mtv_type& t);
274};
275
276}} // namespace mdds::mtv
277
278#include "collection_def.inl"
279
280#endif
Definition: collection.hpp:151
const_iterator end() const
detail::side_iterator< mtv_type > const_iterator
collection range.
Definition: collection.hpp:174
void swap(collection &other)
collection(const _T &begin, const _T &end)
size_type size() const
void set_element_range(size_type start, size_type size)
const_iterator begin() const
void set_collection_range(size_type start, size_type size)
Definition: collection.hpp:46