3 // Copyright (C) 2005-2013 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the terms
7 // of the GNU General Public License as published by the Free Software
8 // Foundation; either version 3, or (at your option) any later
11 // This library is distributed in the hope that it will be useful, but
12 // WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // General Public License for more details.
16 // Under Section 7 of GPL version 3, you are granted additional
17 // permissions described in the GCC Runtime Library Exception, version
18 // 3.1, as published by the Free Software Foundation.
20 // You should have received a copy of the GNU General Public License and
21 // a copy of the GCC Runtime Library Exception along with this program;
22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23 // <http://www.gnu.org/licenses/>.
25 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
27 // Permission to use, copy, modify, sell, and distribute this software
28 // is hereby granted without fee, provided that the above copyright
29 // notice appears in all copies, and that both that copyright notice
30 // and this permission notice appear in supporting documentation. None
31 // of the above authors, nor IBM Haifa Research Laboratories, make any
32 // representation about the suitability of this software for any
33 // purpose. It is provided "as is" without express or implied
37 * @file list_update_map_/lu_map_.hpp
38 * Contains a list update map.
43 #include <ext/pb_ds/detail/cond_dealtor.hpp>
44 #include <ext/pb_ds/tag_and_trait.hpp>
45 #include <ext/pb_ds/detail/types_traits.hpp>
46 #include <ext/pb_ds/detail/list_update_map_/entry_metadata_base.hpp>
47 #include <ext/pb_ds/exception.hpp>
49 #include <ext/pb_ds/detail/debug_map_base.hpp>
51 #ifdef PB_DS_LU_MAP_TRACE_
54 #include <debug/debug.h>
60 #ifdef PB_DS_DATA_TRUE_INDICATOR
61 #define PB_DS_LU_NAME lu_map
64 #ifdef PB_DS_DATA_FALSE_INDICATOR
65 #define PB_DS_LU_NAME lu_set
68 #define PB_DS_CLASS_T_DEC \
69 template<typename Key, typename Mapped, typename Eq_Fn, \
70 typename _Alloc, typename Update_Policy>
72 #define PB_DS_CLASS_C_DEC \
73 PB_DS_LU_NAME<Key, Mapped, Eq_Fn, _Alloc, Update_Policy>
75 #define PB_DS_LU_TRAITS_BASE \
76 types_traits<Key, Mapped, _Alloc, false>
79 #define PB_DS_DEBUG_MAP_BASE_C_DEC \
80 debug_map_base<Key, Eq_Fn, \
81 typename _Alloc::template rebind<Key>::other::const_reference>
84 /// list-based (with updates) associative container.
85 /// Skip to the lu, my darling.
86 template<typename Key
,
90 typename Update_Policy
>
93 protected PB_DS_DEBUG_MAP_BASE_C_DEC
,
95 public PB_DS_LU_TRAITS_BASE
98 typedef PB_DS_LU_TRAITS_BASE traits_base
;
101 : public lu_map_entry_metadata_base
<typename
Update_Policy::metadata_type
>
103 typename
traits_base::value_type m_value
;
104 typename
_Alloc::template rebind
<entry
>::other::pointer m_p_next
;
107 typedef typename
_Alloc::template rebind
<entry
>::other entry_allocator
;
108 typedef typename
entry_allocator::pointer entry_pointer
;
109 typedef typename
entry_allocator::const_pointer const_entry_pointer
;
110 typedef typename
entry_allocator::reference entry_reference
;
111 typedef typename
entry_allocator::const_reference const_entry_reference
;
113 typedef typename
_Alloc::template rebind
<entry_pointer
>::other entry_pointer_allocator
;
114 typedef typename
entry_pointer_allocator::pointer entry_pointer_array
;
116 typedef typename
traits_base::value_type value_type_
;
117 typedef typename
traits_base::pointer pointer_
;
118 typedef typename
traits_base::const_pointer const_pointer_
;
119 typedef typename
traits_base::reference reference_
;
120 typedef typename
traits_base::const_reference const_reference_
;
122 #define PB_DS_GEN_POS entry_pointer
124 #include <ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp>
125 #include <ext/pb_ds/detail/unordered_iterator/point_iterator.hpp>
126 #include <ext/pb_ds/detail/unordered_iterator/const_iterator.hpp>
127 #include <ext/pb_ds/detail/unordered_iterator/iterator.hpp>
132 #ifdef _GLIBCXX_DEBUG
133 typedef PB_DS_DEBUG_MAP_BASE_C_DEC debug_base
;
136 typedef cond_dealtor
<entry
, _Alloc
> cond_dealtor_t
;
139 typedef _Alloc allocator_type
;
140 typedef typename
_Alloc::size_type size_type
;
141 typedef typename
_Alloc::difference_type difference_type
;
143 typedef Update_Policy update_policy
;
144 typedef typename
Update_Policy::metadata_type update_metadata
;
145 typedef typename
traits_base::key_type key_type
;
146 typedef typename
traits_base::key_pointer key_pointer
;
147 typedef typename
traits_base::key_const_pointer key_const_pointer
;
148 typedef typename
traits_base::key_reference key_reference
;
149 typedef typename
traits_base::key_const_reference key_const_reference
;
150 typedef typename
traits_base::mapped_type mapped_type
;
151 typedef typename
traits_base::mapped_pointer mapped_pointer
;
152 typedef typename
traits_base::mapped_const_pointer mapped_const_pointer
;
153 typedef typename
traits_base::mapped_reference mapped_reference
;
154 typedef typename
traits_base::mapped_const_reference mapped_const_reference
;
155 typedef typename
traits_base::value_type value_type
;
156 typedef typename
traits_base::pointer pointer
;
157 typedef typename
traits_base::const_pointer const_pointer
;
158 typedef typename
traits_base::reference reference
;
159 typedef typename
traits_base::const_reference const_reference
;
161 #ifdef PB_DS_DATA_TRUE_INDICATOR
162 typedef point_iterator_ point_iterator
;
165 #ifdef PB_DS_DATA_FALSE_INDICATOR
166 typedef point_const_iterator_ point_iterator
;
169 typedef point_const_iterator_ point_const_iterator
;
171 #ifdef PB_DS_DATA_TRUE_INDICATOR
172 typedef iterator_ iterator
;
175 #ifdef PB_DS_DATA_FALSE_INDICATOR
176 typedef const_iterator_ iterator
;
179 typedef const_iterator_ const_iterator
;
184 PB_DS_LU_NAME(const PB_DS_CLASS_C_DEC
&);
189 template<typename It
>
190 PB_DS_LU_NAME(It
, It
);
193 swap(PB_DS_CLASS_C_DEC
&);
204 inline mapped_reference
205 operator[](key_const_reference r_key
)
207 #ifdef PB_DS_DATA_TRUE_INDICATOR
208 _GLIBCXX_DEBUG_ONLY(assert_valid(__FILE__
, __LINE__
);)
209 return insert(std::make_pair(r_key
, mapped_type())).first
->second
;
212 return traits_base::s_null_type
;
216 inline std::pair
<point_iterator
, bool>
217 insert(const_reference
);
219 inline point_iterator
220 find(key_const_reference r_key
)
222 _GLIBCXX_DEBUG_ONLY(assert_valid(__FILE__
, __LINE__
);)
223 entry_pointer p_e
= find_imp(r_key
);
224 return point_iterator(p_e
== 0 ? 0: &p_e
->m_value
);
227 inline point_const_iterator
228 find(key_const_reference r_key
) const
230 _GLIBCXX_DEBUG_ONLY(assert_valid(__FILE__
, __LINE__
);)
231 entry_pointer p_e
= find_imp(r_key
);
232 return point_const_iterator(p_e
== 0 ? 0: &p_e
->m_value
);
236 erase(key_const_reference
);
238 template<typename Pred
>
248 inline const_iterator
254 inline const_iterator
257 #ifdef _GLIBCXX_DEBUG
259 assert_valid(const char* file
, int line
) const;
262 #ifdef PB_DS_LU_MAP_TRACE_
269 template<typename It
>
271 copy_from_range(It
, It
);
274 #ifdef PB_DS_DATA_TRUE_INDICATOR
275 friend class iterator_
;
278 friend class const_iterator_
;
281 allocate_new_entry(const_reference
, false_type
);
284 allocate_new_entry(const_reference
, true_type
);
286 template<typename Metadata
>
288 init_entry_metadata(entry_pointer
, type_to_type
<Metadata
>);
291 init_entry_metadata(entry_pointer
, type_to_type
<null_type
>);
297 erase_next(entry_pointer
);
300 actual_erase_entry(entry_pointer
);
303 inc_it_state(const_pointer
& r_p_value
, entry_pointer
& r_pos
) const
305 r_pos
= r_pos
->m_p_next
;
306 r_p_value
= (r_pos
== 0) ? 0 : &r_pos
->m_value
;
309 template<typename Metadata
>
311 apply_update(entry_pointer
, type_to_type
<Metadata
>);
314 apply_update(entry_pointer
, type_to_type
<null_type
>);
317 find_imp(key_const_reference
) const;
319 static entry_allocator s_entry_allocator
;
320 static Eq_Fn s_eq_fn
;
321 static Update_Policy s_update_policy
;
322 static type_to_type
<update_metadata
> s_metadata_type_indicator
;
323 static null_type s_null_type
;
325 mutable entry_pointer m_p_l
;
328 #include <ext/pb_ds/detail/list_update_map_/constructor_destructor_fn_imps.hpp>
329 #include <ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp>
330 #include <ext/pb_ds/detail/list_update_map_/debug_fn_imps.hpp>
331 #include <ext/pb_ds/detail/list_update_map_/iterators_fn_imps.hpp>
332 #include <ext/pb_ds/detail/list_update_map_/erase_fn_imps.hpp>
333 #include <ext/pb_ds/detail/list_update_map_/find_fn_imps.hpp>
334 #include <ext/pb_ds/detail/list_update_map_/insert_fn_imps.hpp>
335 #include <ext/pb_ds/detail/list_update_map_/trace_fn_imps.hpp>
337 #undef PB_DS_CLASS_T_DEC
338 #undef PB_DS_CLASS_C_DEC
339 #undef PB_DS_LU_TRAITS_BASE
340 #undef PB_DS_DEBUG_MAP_BASE_C_DEC
342 } // namespace detail
343 } // namespace __gnu_pbds