3 // Copyright (C) 2005, 2006, 2009 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
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 #define PB_DS_CLASS_T_DEC \
61 template<typename Key, typename Mapped, class Eq_Fn, \
62 class Allocator, class Update_Policy>
64 #ifdef PB_DS_DATA_TRUE_INDICATOR
65 #define PB_DS_CLASS_NAME lu_map_data_
68 #ifdef PB_DS_DATA_FALSE_INDICATOR
69 #define PB_DS_CLASS_NAME lu_map_no_data_
72 #define PB_DS_CLASS_C_DEC \
73 PB_DS_CLASS_NAME<Key, Mapped, Eq_Fn, Allocator, Update_Policy>
75 #define PB_DS_TYPES_TRAITS_C_DEC \
76 types_traits<Key, Mapped, Allocator, false>
79 #define PB_DS_DEBUG_MAP_BASE_C_DEC \
80 debug_map_base<Key, Eq_Fn, \
81 typename Allocator::template rebind<Key>::other::const_reference>
84 #ifdef PB_DS_DATA_TRUE_INDICATOR
85 #define PB_DS_V2F(X) (X).first
86 #define PB_DS_V2S(X) (X).second
87 #define PB_DS_EP2VP(X)& ((X)->m_value)
90 #ifdef PB_DS_DATA_FALSE_INDICATOR
91 #define PB_DS_V2F(X) (X)
92 #define PB_DS_V2S(X) Mapped_Data()
93 #define PB_DS_EP2VP(X)& ((X)->m_value.first)
96 /* Skip to the lu, my darling. */
97 // list-based (with updates) associative container.
98 template<typename Key
,
103 class PB_DS_CLASS_NAME
:
104 #ifdef _GLIBCXX_DEBUG
105 protected PB_DS_DEBUG_MAP_BASE_C_DEC
,
107 public PB_DS_TYPES_TRAITS_C_DEC
110 typedef PB_DS_TYPES_TRAITS_C_DEC traits_base
;
113 : public lu_map_entry_metadata_base
<typename
Update_Policy::metadata_type
>
115 typename
traits_base::value_type m_value
;
116 typename
Allocator::template rebind
<entry
>::other::pointer m_p_next
;
119 typedef typename
Allocator::template rebind
<entry
>::other entry_allocator
;
120 typedef typename
entry_allocator::pointer entry_pointer
;
121 typedef typename
entry_allocator::const_pointer const_entry_pointer
;
122 typedef typename
entry_allocator::reference entry_reference
;
123 typedef typename
entry_allocator::const_reference const_entry_reference
;
125 typedef typename
Allocator::template rebind
<entry_pointer
>::other entry_pointer_allocator
;
126 typedef typename
entry_pointer_allocator::pointer entry_pointer_array
;
128 typedef typename
traits_base::value_type value_type_
;
129 typedef typename
traits_base::pointer pointer_
;
130 typedef typename
traits_base::const_pointer const_pointer_
;
131 typedef typename
traits_base::reference reference_
;
132 typedef typename
traits_base::const_reference const_reference_
;
134 #define PB_DS_GEN_POS entry_pointer
136 #include <ext/pb_ds/detail/unordered_iterator/const_point_iterator.hpp>
137 #include <ext/pb_ds/detail/unordered_iterator/point_iterator.hpp>
138 #include <ext/pb_ds/detail/unordered_iterator/const_iterator.hpp>
139 #include <ext/pb_ds/detail/unordered_iterator/iterator.hpp>
144 #ifdef _GLIBCXX_DEBUG
145 typedef PB_DS_DEBUG_MAP_BASE_C_DEC debug_base
;
148 typedef cond_dealtor
<entry
, Allocator
> cond_dealtor_t
;
151 typedef Allocator allocator_type
;
152 typedef typename
Allocator::size_type size_type
;
153 typedef typename
Allocator::difference_type difference_type
;
155 typedef Update_Policy update_policy
;
156 typedef typename
Update_Policy::metadata_type update_metadata
;
157 typedef typename
traits_base::key_type key_type
;
158 typedef typename
traits_base::key_pointer key_pointer
;
159 typedef typename
traits_base::const_key_pointer const_key_pointer
;
160 typedef typename
traits_base::key_reference key_reference
;
161 typedef typename
traits_base::const_key_reference const_key_reference
;
162 typedef typename
traits_base::mapped_type mapped_type
;
163 typedef typename
traits_base::mapped_pointer mapped_pointer
;
164 typedef typename
traits_base::const_mapped_pointer const_mapped_pointer
;
165 typedef typename
traits_base::mapped_reference mapped_reference
;
166 typedef typename
traits_base::const_mapped_reference const_mapped_reference
;
167 typedef typename
traits_base::value_type value_type
;
168 typedef typename
traits_base::pointer pointer
;
169 typedef typename
traits_base::const_pointer const_pointer
;
170 typedef typename
traits_base::reference reference
;
171 typedef typename
traits_base::const_reference const_reference
;
173 #ifdef PB_DS_DATA_TRUE_INDICATOR
174 typedef point_iterator_ point_iterator
;
177 #ifdef PB_DS_DATA_FALSE_INDICATOR
178 typedef const_point_iterator_ point_iterator
;
181 typedef const_point_iterator_ const_point_iterator
;
183 #ifdef PB_DS_DATA_TRUE_INDICATOR
184 typedef iterator_ iterator
;
187 #ifdef PB_DS_DATA_FALSE_INDICATOR
188 typedef const_iterator_ iterator
;
191 typedef const_iterator_ const_iterator
;
196 PB_DS_CLASS_NAME(const PB_DS_CLASS_C_DEC
&);
201 template<typename It
>
202 PB_DS_CLASS_NAME(It first_it
, It last_it
);
205 swap(PB_DS_CLASS_C_DEC
&);
216 inline mapped_reference
217 operator[](const_key_reference r_key
)
219 #ifdef PB_DS_DATA_TRUE_INDICATOR
220 _GLIBCXX_DEBUG_ONLY(assert_valid();)
221 return insert(std::make_pair(r_key
, mapped_type())).first
->second
;
224 return traits_base::s_null_mapped
;
228 inline std::pair
<point_iterator
, bool>
229 insert(const_reference
);
231 inline point_iterator
232 find(const_key_reference r_key
)
234 _GLIBCXX_DEBUG_ONLY(assert_valid();)
235 entry_pointer p_e
= find_imp(r_key
);
236 return point_iterator(p_e
== NULL
? NULL
: &p_e
->m_value
);
239 inline const_point_iterator
240 find(const_key_reference r_key
) const
242 _GLIBCXX_DEBUG_ONLY(assert_valid();)
243 entry_pointer p_e
= find_imp(r_key
);
244 return const_point_iterator(p_e
== NULL
? NULL
: &p_e
->m_value
);
248 erase(const_key_reference
);
250 template<typename Pred
>
260 inline const_iterator
266 inline const_iterator
269 #ifdef _GLIBCXX_DEBUG
271 assert_valid() const;
274 #ifdef PB_DS_LU_MAP_TRACE_
281 template<typename It
>
283 copy_from_range(It
, It
);
286 #ifdef PB_DS_DATA_TRUE_INDICATOR
287 friend class iterator_
;
290 friend class const_iterator_
;
293 allocate_new_entry(const_reference
, false_type
);
296 allocate_new_entry(const_reference
, true_type
);
298 template<typename Metadata
>
300 init_entry_metadata(entry_pointer
, type_to_type
<Metadata
>);
303 init_entry_metadata(entry_pointer
, type_to_type
<null_lu_metadata
>);
309 erase_next(entry_pointer
);
312 actual_erase_entry(entry_pointer
);
315 inc_it_state(const_pointer
& r_p_value
, entry_pointer
& r_pos
) const
317 r_pos
= r_pos
->m_p_next
;
318 r_p_value
= (r_pos
== NULL
) ? NULL
: &r_pos
->m_value
;
321 template<typename Metadata
>
323 apply_update(entry_pointer
, type_to_type
<Metadata
>);
326 apply_update(entry_pointer
, type_to_type
<null_lu_metadata
>);
329 find_imp(const_key_reference
) const;
331 static entry_allocator s_entry_allocator
;
332 static Eq_Fn s_eq_fn
;
333 static Update_Policy s_update_policy
;
334 static type_to_type
<update_metadata
> s_metadata_type_indicator
;
335 static null_lu_metadata s_null_lu_metadata
;
337 mutable entry_pointer m_p_l
;
340 #include <ext/pb_ds/detail/list_update_map_/constructor_destructor_fn_imps.hpp>
341 #include <ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp>
342 #include <ext/pb_ds/detail/list_update_map_/debug_fn_imps.hpp>
343 #include <ext/pb_ds/detail/list_update_map_/iterators_fn_imps.hpp>
344 #include <ext/pb_ds/detail/list_update_map_/erase_fn_imps.hpp>
345 #include <ext/pb_ds/detail/list_update_map_/find_fn_imps.hpp>
346 #include <ext/pb_ds/detail/list_update_map_/insert_fn_imps.hpp>
347 #include <ext/pb_ds/detail/list_update_map_/trace_fn_imps.hpp>
349 #undef PB_DS_CLASS_T_DEC
350 #undef PB_DS_CLASS_C_DEC
351 #undef PB_DS_TYPES_TRAITS_C_DEC
352 #undef PB_DS_DEBUG_MAP_BASE_C_DEC
353 #undef PB_DS_CLASS_NAME
358 } // namespace detail
359 } // namespace __gnu_pbds