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42526146 PE |
1 | // Hashing map implementation -*- C++ -*- |
2 | ||
45f388bb | 3 | // Copyright (C) 2001, 2002, 2004, 2005, 2006 Free Software Foundation, Inc. |
42526146 PE |
4 | // |
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 | |
7 | // terms of the GNU General Public License as published by the | |
8 | // Free Software Foundation; either version 2, or (at your option) | |
9 | // any later version. | |
10 | ||
11 | // This library is distributed in the hope that it will be useful, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | ||
16 | // You should have received a copy of the GNU General Public License along | |
17 | // with this library; see the file COPYING. If not, write to the Free | |
83f51799 | 18 | // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
42526146 PE |
19 | // USA. |
20 | ||
21 | // As a special exception, you may use this file as part of a free software | |
22 | // library without restriction. Specifically, if other files instantiate | |
23 | // templates or use macros or inline functions from this file, or you compile | |
24 | // this file and link it with other files to produce an executable, this | |
25 | // file does not by itself cause the resulting executable to be covered by | |
26 | // the GNU General Public License. This exception does not however | |
27 | // invalidate any other reasons why the executable file might be covered by | |
28 | // the GNU General Public License. | |
29 | ||
725dc051 BK |
30 | /* |
31 | * Copyright (c) 1996 | |
32 | * Silicon Graphics Computer Systems, Inc. | |
33 | * | |
34 | * Permission to use, copy, modify, distribute and sell this software | |
35 | * and its documentation for any purpose is hereby granted without fee, | |
36 | * provided that the above copyright notice appear in all copies and | |
37 | * that both that copyright notice and this permission notice appear | |
38 | * in supporting documentation. Silicon Graphics makes no | |
39 | * representations about the suitability of this software for any | |
40 | * purpose. It is provided "as is" without express or implied warranty. | |
41 | * | |
42 | * | |
43 | * Copyright (c) 1994 | |
44 | * Hewlett-Packard Company | |
45 | * | |
46 | * Permission to use, copy, modify, distribute and sell this software | |
47 | * and its documentation for any purpose is hereby granted without fee, | |
48 | * provided that the above copyright notice appear in all copies and | |
49 | * that both that copyright notice and this permission notice appear | |
50 | * in supporting documentation. Hewlett-Packard Company makes no | |
51 | * representations about the suitability of this software for any | |
52 | * purpose. It is provided "as is" without express or implied warranty. | |
53 | * | |
54 | */ | |
55 | ||
ffe94f83 PE |
56 | /** @file ext/hash_map |
57 | * This file is a GNU extension to the Standard C++ Library (possibly | |
0aa06b18 | 58 | * containing extensions from the HP/SGI STL subset). |
725dc051 BK |
59 | */ |
60 | ||
fa30fe72 | 61 | #ifndef _HASH_MAP |
b2acb86f | 62 | #define _HASH_MAP 1 |
725dc051 | 63 | |
45f388bb | 64 | #include <bits/c++config.h> |
b2acb86f | 65 | #include <ext/hashtable.h> |
30a20a1e | 66 | #include <bits/concept_check.h> |
725dc051 | 67 | |
c2ba9709 | 68 | _GLIBCXX_BEGIN_NESTED_NAMESPACE(__gnu_cxx, _GLIBCXX_EXT_D) |
3cbc7af0 | 69 | |
b2acb86f BK |
70 | using std::equal_to; |
71 | using std::allocator; | |
72 | using std::pair; | |
73 | using std::_Select1st; | |
74 | ||
d962e073 PC |
75 | /** |
76 | * This is an SGI extension. | |
77 | * @ingroup SGIextensions | |
78 | * @doctodo | |
79 | */ | |
7ffb61d5 PC |
80 | template<class _Key, class _Tp, class _HashFn = hash<_Key>, |
81 | class _EqualKey = equal_to<_Key>, class _Alloc = allocator<_Tp> > | |
d962e073 PC |
82 | class hash_map |
83 | { | |
84 | private: | |
45f388bb | 85 | typedef hashtable<pair<const _Key, _Tp>,_Key, _HashFn, |
d962e073 PC |
86 | _Select1st<pair<const _Key, _Tp> >, |
87 | _EqualKey, _Alloc> _Ht; | |
88 | ||
89 | _Ht _M_ht; | |
90 | ||
91 | public: | |
92 | typedef typename _Ht::key_type key_type; | |
93 | typedef _Tp data_type; | |
94 | typedef _Tp mapped_type; | |
95 | typedef typename _Ht::value_type value_type; | |
96 | typedef typename _Ht::hasher hasher; | |
97 | typedef typename _Ht::key_equal key_equal; | |
98 | ||
99 | typedef typename _Ht::size_type size_type; | |
100 | typedef typename _Ht::difference_type difference_type; | |
101 | typedef typename _Ht::pointer pointer; | |
102 | typedef typename _Ht::const_pointer const_pointer; | |
103 | typedef typename _Ht::reference reference; | |
104 | typedef typename _Ht::const_reference const_reference; | |
105 | ||
106 | typedef typename _Ht::iterator iterator; | |
107 | typedef typename _Ht::const_iterator const_iterator; | |
108 | ||
109 | typedef typename _Ht::allocator_type allocator_type; | |
110 | ||
111 | hasher | |
112 | hash_funct() const | |
113 | { return _M_ht.hash_funct(); } | |
114 | ||
115 | key_equal | |
116 | key_eq() const | |
117 | { return _M_ht.key_eq(); } | |
118 | ||
119 | allocator_type | |
120 | get_allocator() const | |
121 | { return _M_ht.get_allocator(); } | |
122 | ||
123 | public: | |
124 | hash_map() | |
125 | : _M_ht(100, hasher(), key_equal(), allocator_type()) {} | |
126 | ||
127 | explicit | |
128 | hash_map(size_type __n) | |
129 | : _M_ht(__n, hasher(), key_equal(), allocator_type()) {} | |
130 | ||
131 | hash_map(size_type __n, const hasher& __hf) | |
132 | : _M_ht(__n, __hf, key_equal(), allocator_type()) {} | |
133 | ||
134 | hash_map(size_type __n, const hasher& __hf, const key_equal& __eql, | |
135 | const allocator_type& __a = allocator_type()) | |
136 | : _M_ht(__n, __hf, __eql, __a) {} | |
137 | ||
45f388bb | 138 | template<class _InputIterator> |
d962e073 PC |
139 | hash_map(_InputIterator __f, _InputIterator __l) |
140 | : _M_ht(100, hasher(), key_equal(), allocator_type()) | |
141 | { _M_ht.insert_unique(__f, __l); } | |
142 | ||
45f388bb | 143 | template<class _InputIterator> |
d962e073 PC |
144 | hash_map(_InputIterator __f, _InputIterator __l, size_type __n) |
145 | : _M_ht(__n, hasher(), key_equal(), allocator_type()) | |
146 | { _M_ht.insert_unique(__f, __l); } | |
147 | ||
45f388bb | 148 | template<class _InputIterator> |
d962e073 PC |
149 | hash_map(_InputIterator __f, _InputIterator __l, size_type __n, |
150 | const hasher& __hf) | |
151 | : _M_ht(__n, __hf, key_equal(), allocator_type()) | |
152 | { _M_ht.insert_unique(__f, __l); } | |
153 | ||
45f388bb | 154 | template<class _InputIterator> |
d962e073 PC |
155 | hash_map(_InputIterator __f, _InputIterator __l, size_type __n, |
156 | const hasher& __hf, const key_equal& __eql, | |
157 | const allocator_type& __a = allocator_type()) | |
158 | : _M_ht(__n, __hf, __eql, __a) | |
159 | { _M_ht.insert_unique(__f, __l); } | |
160 | ||
161 | public: | |
162 | size_type | |
163 | size() const | |
164 | { return _M_ht.size(); } | |
165 | ||
166 | size_type | |
167 | max_size() const | |
168 | { return _M_ht.max_size(); } | |
169 | ||
170 | bool | |
171 | empty() const | |
172 | { return _M_ht.empty(); } | |
173 | ||
174 | void | |
175 | swap(hash_map& __hs) | |
176 | { _M_ht.swap(__hs._M_ht); } | |
177 | ||
45f388bb | 178 | template<class _K1, class _T1, class _HF, class _EqK, class _Al> |
d962e073 PC |
179 | friend bool |
180 | operator== (const hash_map<_K1, _T1, _HF, _EqK, _Al>&, | |
181 | const hash_map<_K1, _T1, _HF, _EqK, _Al>&); | |
182 | ||
183 | iterator | |
184 | begin() | |
185 | { return _M_ht.begin(); } | |
186 | ||
187 | iterator | |
188 | end() | |
189 | { return _M_ht.end(); } | |
190 | ||
191 | const_iterator | |
192 | begin() const | |
193 | { return _M_ht.begin(); } | |
194 | ||
195 | const_iterator | |
196 | end() const | |
197 | { return _M_ht.end(); } | |
198 | ||
199 | public: | |
200 | pair<iterator, bool> | |
201 | insert(const value_type& __obj) | |
202 | { return _M_ht.insert_unique(__obj); } | |
203 | ||
45f388bb | 204 | template<class _InputIterator> |
d962e073 PC |
205 | void |
206 | insert(_InputIterator __f, _InputIterator __l) | |
207 | { _M_ht.insert_unique(__f, __l); } | |
208 | ||
209 | pair<iterator, bool> | |
210 | insert_noresize(const value_type& __obj) | |
211 | { return _M_ht.insert_unique_noresize(__obj); } | |
212 | ||
213 | iterator | |
214 | find(const key_type& __key) | |
215 | { return _M_ht.find(__key); } | |
216 | ||
217 | const_iterator | |
218 | find(const key_type& __key) const | |
219 | { return _M_ht.find(__key); } | |
220 | ||
221 | _Tp& | |
222 | operator[](const key_type& __key) | |
223 | { return _M_ht.find_or_insert(value_type(__key, _Tp())).second; } | |
224 | ||
225 | size_type | |
226 | count(const key_type& __key) const | |
227 | { return _M_ht.count(__key); } | |
228 | ||
229 | pair<iterator, iterator> | |
230 | equal_range(const key_type& __key) | |
231 | { return _M_ht.equal_range(__key); } | |
232 | ||
233 | pair<const_iterator, const_iterator> | |
234 | equal_range(const key_type& __key) const | |
235 | { return _M_ht.equal_range(__key); } | |
236 | ||
237 | size_type | |
238 | erase(const key_type& __key) | |
239 | {return _M_ht.erase(__key); } | |
240 | ||
241 | void | |
242 | erase(iterator __it) | |
243 | { _M_ht.erase(__it); } | |
244 | ||
245 | void | |
246 | erase(iterator __f, iterator __l) | |
247 | { _M_ht.erase(__f, __l); } | |
248 | ||
249 | void | |
250 | clear() | |
251 | { _M_ht.clear(); } | |
252 | ||
253 | void | |
254 | resize(size_type __hint) | |
255 | { _M_ht.resize(__hint); } | |
256 | ||
257 | size_type | |
258 | bucket_count() const | |
259 | { return _M_ht.bucket_count(); } | |
260 | ||
261 | size_type | |
262 | max_bucket_count() const | |
263 | { return _M_ht.max_bucket_count(); } | |
264 | ||
265 | size_type | |
266 | elems_in_bucket(size_type __n) const | |
267 | { return _M_ht.elems_in_bucket(__n); } | |
268 | }; | |
269 | ||
45f388bb | 270 | template<class _Key, class _Tp, class _HashFn, class _EqlKey, class _Alloc> |
d962e073 | 271 | inline bool |
45f388bb BK |
272 | operator==(const hash_map<_Key, _Tp, _HashFn, _EqlKey, _Alloc>& __hm1, |
273 | const hash_map<_Key, _Tp, _HashFn, _EqlKey, _Alloc>& __hm2) | |
d962e073 PC |
274 | { return __hm1._M_ht == __hm2._M_ht; } |
275 | ||
45f388bb | 276 | template<class _Key, class _Tp, class _HashFn, class _EqlKey, class _Alloc> |
d962e073 | 277 | inline bool |
45f388bb BK |
278 | operator!=(const hash_map<_Key, _Tp, _HashFn, _EqlKey, _Alloc>& __hm1, |
279 | const hash_map<_Key, _Tp, _HashFn, _EqlKey, _Alloc>& __hm2) | |
d962e073 PC |
280 | { return !(__hm1 == __hm2); } |
281 | ||
45f388bb | 282 | template<class _Key, class _Tp, class _HashFn, class _EqlKey, class _Alloc> |
d962e073 | 283 | inline void |
45f388bb BK |
284 | swap(hash_map<_Key, _Tp, _HashFn, _EqlKey, _Alloc>& __hm1, |
285 | hash_map<_Key, _Tp, _HashFn, _EqlKey, _Alloc>& __hm2) | |
d962e073 PC |
286 | { __hm1.swap(__hm2); } |
287 | ||
d962e073 PC |
288 | |
289 | /** | |
290 | * This is an SGI extension. | |
291 | * @ingroup SGIextensions | |
292 | * @doctodo | |
293 | */ | |
7ffb61d5 PC |
294 | template<class _Key, class _Tp, |
295 | class _HashFn = hash<_Key>, | |
296 | class _EqualKey = equal_to<_Key>, | |
297 | class _Alloc = allocator<_Tp> > | |
d962e073 PC |
298 | class hash_multimap |
299 | { | |
300 | // concept requirements | |
301 | __glibcxx_class_requires(_Key, _SGIAssignableConcept) | |
302 | __glibcxx_class_requires(_Tp, _SGIAssignableConcept) | |
45f388bb | 303 | __glibcxx_class_requires3(_HashFn, size_t, _Key, _UnaryFunctionConcept) |
d962e073 PC |
304 | __glibcxx_class_requires3(_EqualKey, _Key, _Key, _BinaryPredicateConcept) |
305 | ||
306 | private: | |
45f388bb | 307 | typedef hashtable<pair<const _Key, _Tp>, _Key, _HashFn, |
d962e073 | 308 | _Select1st<pair<const _Key, _Tp> >, _EqualKey, _Alloc> |
725dc051 | 309 | _Ht; |
725dc051 | 310 | |
d962e073 PC |
311 | _Ht _M_ht; |
312 | ||
313 | public: | |
314 | typedef typename _Ht::key_type key_type; | |
315 | typedef _Tp data_type; | |
316 | typedef _Tp mapped_type; | |
317 | typedef typename _Ht::value_type value_type; | |
318 | typedef typename _Ht::hasher hasher; | |
319 | typedef typename _Ht::key_equal key_equal; | |
320 | ||
321 | typedef typename _Ht::size_type size_type; | |
322 | typedef typename _Ht::difference_type difference_type; | |
323 | typedef typename _Ht::pointer pointer; | |
324 | typedef typename _Ht::const_pointer const_pointer; | |
325 | typedef typename _Ht::reference reference; | |
326 | typedef typename _Ht::const_reference const_reference; | |
327 | ||
328 | typedef typename _Ht::iterator iterator; | |
329 | typedef typename _Ht::const_iterator const_iterator; | |
330 | ||
331 | typedef typename _Ht::allocator_type allocator_type; | |
332 | ||
333 | hasher | |
334 | hash_funct() const | |
335 | { return _M_ht.hash_funct(); } | |
336 | ||
337 | key_equal | |
338 | key_eq() const | |
339 | { return _M_ht.key_eq(); } | |
340 | ||
341 | allocator_type | |
342 | get_allocator() const | |
343 | { return _M_ht.get_allocator(); } | |
344 | ||
345 | public: | |
346 | hash_multimap() | |
347 | : _M_ht(100, hasher(), key_equal(), allocator_type()) {} | |
348 | ||
349 | explicit | |
350 | hash_multimap(size_type __n) | |
351 | : _M_ht(__n, hasher(), key_equal(), allocator_type()) {} | |
352 | ||
353 | hash_multimap(size_type __n, const hasher& __hf) | |
354 | : _M_ht(__n, __hf, key_equal(), allocator_type()) {} | |
355 | ||
356 | hash_multimap(size_type __n, const hasher& __hf, const key_equal& __eql, | |
357 | const allocator_type& __a = allocator_type()) | |
358 | : _M_ht(__n, __hf, __eql, __a) {} | |
359 | ||
45f388bb | 360 | template<class _InputIterator> |
d962e073 PC |
361 | hash_multimap(_InputIterator __f, _InputIterator __l) |
362 | : _M_ht(100, hasher(), key_equal(), allocator_type()) | |
363 | { _M_ht.insert_equal(__f, __l); } | |
364 | ||
45f388bb | 365 | template<class _InputIterator> |
d962e073 PC |
366 | hash_multimap(_InputIterator __f, _InputIterator __l, size_type __n) |
367 | : _M_ht(__n, hasher(), key_equal(), allocator_type()) | |
368 | { _M_ht.insert_equal(__f, __l); } | |
369 | ||
45f388bb | 370 | template<class _InputIterator> |
d962e073 PC |
371 | hash_multimap(_InputIterator __f, _InputIterator __l, size_type __n, |
372 | const hasher& __hf) | |
373 | : _M_ht(__n, __hf, key_equal(), allocator_type()) | |
374 | { _M_ht.insert_equal(__f, __l); } | |
375 | ||
45f388bb | 376 | template<class _InputIterator> |
d962e073 PC |
377 | hash_multimap(_InputIterator __f, _InputIterator __l, size_type __n, |
378 | const hasher& __hf, const key_equal& __eql, | |
379 | const allocator_type& __a = allocator_type()) | |
380 | : _M_ht(__n, __hf, __eql, __a) | |
381 | { _M_ht.insert_equal(__f, __l); } | |
382 | ||
383 | public: | |
384 | size_type | |
385 | size() const | |
386 | { return _M_ht.size(); } | |
387 | ||
388 | size_type | |
389 | max_size() const | |
390 | { return _M_ht.max_size(); } | |
391 | ||
392 | bool | |
393 | empty() const | |
394 | { return _M_ht.empty(); } | |
395 | ||
396 | void | |
397 | swap(hash_multimap& __hs) | |
398 | { _M_ht.swap(__hs._M_ht); } | |
399 | ||
45f388bb | 400 | template<class _K1, class _T1, class _HF, class _EqK, class _Al> |
d962e073 PC |
401 | friend bool |
402 | operator==(const hash_multimap<_K1, _T1, _HF, _EqK, _Al>&, | |
403 | const hash_multimap<_K1, _T1, _HF, _EqK, _Al>&); | |
404 | ||
405 | iterator | |
406 | begin() | |
407 | { return _M_ht.begin(); } | |
408 | ||
409 | iterator | |
410 | end() | |
411 | { return _M_ht.end(); } | |
412 | ||
413 | const_iterator | |
414 | begin() const | |
415 | { return _M_ht.begin(); } | |
416 | ||
417 | const_iterator | |
418 | end() const | |
419 | { return _M_ht.end(); } | |
725dc051 | 420 | |
3cbc7af0 | 421 | public: |
d962e073 PC |
422 | iterator |
423 | insert(const value_type& __obj) | |
424 | { return _M_ht.insert_equal(__obj); } | |
425 | ||
45f388bb | 426 | template<class _InputIterator> |
d962e073 PC |
427 | void |
428 | insert(_InputIterator __f, _InputIterator __l) | |
429 | { _M_ht.insert_equal(__f,__l); } | |
430 | ||
431 | iterator | |
432 | insert_noresize(const value_type& __obj) | |
433 | { return _M_ht.insert_equal_noresize(__obj); } | |
434 | ||
435 | iterator | |
436 | find(const key_type& __key) | |
437 | { return _M_ht.find(__key); } | |
438 | ||
439 | const_iterator | |
440 | find(const key_type& __key) const | |
441 | { return _M_ht.find(__key); } | |
442 | ||
443 | size_type | |
444 | count(const key_type& __key) const | |
445 | { return _M_ht.count(__key); } | |
446 | ||
447 | pair<iterator, iterator> | |
448 | equal_range(const key_type& __key) | |
449 | { return _M_ht.equal_range(__key); } | |
450 | ||
451 | pair<const_iterator, const_iterator> | |
452 | equal_range(const key_type& __key) const | |
453 | { return _M_ht.equal_range(__key); } | |
454 | ||
455 | size_type | |
456 | erase(const key_type& __key) | |
457 | { return _M_ht.erase(__key); } | |
458 | ||
459 | void | |
460 | erase(iterator __it) | |
461 | { _M_ht.erase(__it); } | |
462 | ||
463 | void | |
464 | erase(iterator __f, iterator __l) | |
465 | { _M_ht.erase(__f, __l); } | |
466 | ||
467 | void | |
468 | clear() | |
469 | { _M_ht.clear(); } | |
470 | ||
471 | public: | |
472 | void | |
473 | resize(size_type __hint) | |
474 | { _M_ht.resize(__hint); } | |
475 | ||
476 | size_type | |
477 | bucket_count() const | |
478 | { return _M_ht.bucket_count(); } | |
479 | ||
480 | size_type | |
481 | max_bucket_count() const | |
482 | { return _M_ht.max_bucket_count(); } | |
483 | ||
484 | size_type | |
485 | elems_in_bucket(size_type __n) const | |
486 | { return _M_ht.elems_in_bucket(__n); } | |
3cbc7af0 | 487 | }; |
725dc051 | 488 | |
45f388bb | 489 | template<class _Key, class _Tp, class _HF, class _EqKey, class _Alloc> |
d962e073 PC |
490 | inline bool |
491 | operator==(const hash_multimap<_Key, _Tp, _HF, _EqKey, _Alloc>& __hm1, | |
492 | const hash_multimap<_Key, _Tp, _HF, _EqKey, _Alloc>& __hm2) | |
493 | { return __hm1._M_ht == __hm2._M_ht; } | |
725dc051 | 494 | |
45f388bb | 495 | template<class _Key, class _Tp, class _HF, class _EqKey, class _Alloc> |
d962e073 PC |
496 | inline bool |
497 | operator!=(const hash_multimap<_Key, _Tp, _HF, _EqKey, _Alloc>& __hm1, | |
498 | const hash_multimap<_Key, _Tp, _HF, _EqKey, _Alloc>& __hm2) | |
499 | { return !(__hm1 == __hm2); } | |
725dc051 | 500 | |
45f388bb | 501 | template<class _Key, class _Tp, class _HashFn, class _EqlKey, class _Alloc> |
d962e073 | 502 | inline void |
45f388bb BK |
503 | swap(hash_multimap<_Key, _Tp, _HashFn, _EqlKey, _Alloc>& __hm1, |
504 | hash_multimap<_Key, _Tp, _HashFn, _EqlKey, _Alloc>& __hm2) | |
d962e073 | 505 | { __hm1.swap(__hm2); } |
725dc051 | 506 | |
45f388bb BK |
507 | _GLIBCXX_END_NESTED_NAMESPACE |
508 | ||
509 | #ifdef _GLIBCXX_DEBUG | |
510 | # include <debug/hash_map> | |
511 | #endif | |
725dc051 | 512 | |
3cbc7af0 | 513 | _GLIBCXX_BEGIN_NAMESPACE(std) |
725dc051 | 514 | |
3cbc7af0 BK |
515 | // Specialization of insert_iterator so that it will work for hash_map |
516 | // and hash_multimap. | |
45f388bb BK |
517 | template<class _Key, class _Tp, class _HashFn, class _EqKey, class _Alloc> |
518 | class insert_iterator<__gnu_cxx::hash_map<_Key, _Tp, _HashFn, | |
d962e073 PC |
519 | _EqKey, _Alloc> > |
520 | { | |
521 | protected: | |
522 | typedef __gnu_cxx::hash_map<_Key, _Tp, _HashFn, _EqKey, _Alloc> | |
523 | _Container; | |
524 | _Container* container; | |
525 | ||
526 | public: | |
527 | typedef _Container container_type; | |
528 | typedef output_iterator_tag iterator_category; | |
529 | typedef void value_type; | |
530 | typedef void difference_type; | |
531 | typedef void pointer; | |
532 | typedef void reference; | |
533 | ||
534 | insert_iterator(_Container& __x) | |
535 | : container(&__x) {} | |
536 | ||
537 | insert_iterator(_Container& __x, typename _Container::iterator) | |
538 | : container(&__x) {} | |
539 | ||
540 | insert_iterator<_Container>& | |
541 | operator=(const typename _Container::value_type& __value) | |
542 | { | |
543 | container->insert(__value); | |
544 | return *this; | |
545 | } | |
546 | ||
547 | insert_iterator<_Container>& | |
548 | operator*() | |
549 | { return *this; } | |
550 | ||
551 | insert_iterator<_Container>& | |
552 | operator++() { return *this; } | |
553 | ||
554 | insert_iterator<_Container>& | |
555 | operator++(int) | |
556 | { return *this; } | |
557 | }; | |
558 | ||
45f388bb | 559 | template<class _Key, class _Tp, class _HashFn, class _EqKey, class _Alloc> |
d962e073 PC |
560 | class insert_iterator<__gnu_cxx::hash_multimap<_Key, _Tp, _HashFn, |
561 | _EqKey, _Alloc> > | |
562 | { | |
563 | protected: | |
564 | typedef __gnu_cxx::hash_multimap<_Key, _Tp, _HashFn, _EqKey, _Alloc> | |
565 | _Container; | |
566 | _Container* container; | |
567 | typename _Container::iterator iter; | |
568 | ||
569 | public: | |
570 | typedef _Container container_type; | |
571 | typedef output_iterator_tag iterator_category; | |
572 | typedef void value_type; | |
573 | typedef void difference_type; | |
574 | typedef void pointer; | |
575 | typedef void reference; | |
576 | ||
577 | insert_iterator(_Container& __x) | |
578 | : container(&__x) {} | |
579 | ||
580 | insert_iterator(_Container& __x, typename _Container::iterator) | |
581 | : container(&__x) {} | |
582 | ||
583 | insert_iterator<_Container>& | |
584 | operator=(const typename _Container::value_type& __value) | |
585 | { | |
586 | container->insert(__value); | |
587 | return *this; | |
588 | } | |
589 | ||
590 | insert_iterator<_Container>& | |
591 | operator*() | |
592 | { return *this; } | |
593 | ||
594 | insert_iterator<_Container>& | |
595 | operator++() | |
596 | { return *this; } | |
597 | ||
598 | insert_iterator<_Container>& | |
599 | operator++(int) | |
600 | { return *this; } | |
601 | }; | |
3cbc7af0 BK |
602 | |
603 | _GLIBCXX_END_NAMESPACE | |
d2763ab5 | 604 | |
b2acb86f | 605 | #endif |