1/*
2 *
3 * Copyright (c) 1994
4 * Hewlett-Packard Company
5 *
6 * Copyright (c) 1996,1997
7 * Silicon Graphics Computer Systems, Inc.
8 *
9 * Copyright (c) 1997
10 * Moscow Center for SPARC Technology
11 *
12 * Copyright (c) 1999
13 * Boris Fomitchev
14 *
15 * This material is provided "as is", with absolutely no warranty expressed
16 * or implied. Any use is at your own risk.
17 *
18 * Permission to use or copy this software for any purpose is hereby granted
19 * without fee, provided the above notices are retained on all copies.
20 * Permission to modify the code and to distribute modified code is granted,
21 * provided the above notices are retained, and a notice that the code was
22 * modified is included with the above copyright notice.
23 *
24 */
25
26/* NOTE: This is an internal header file, included by other STL headers.
27 *   You should not attempt to use it directly.
28 */
29
30#ifndef _STLP_INTERNAL_HASH_MAP_H
31#define _STLP_INTERNAL_HASH_MAP_H
32
33#ifndef _STLP_INTERNAL_HASHTABLE_H
34#  include <stl/_hashtable.h>
35#endif
36
37_STLP_BEGIN_NAMESPACE
38
39//Specific iterator traits creation
40_STLP_CREATE_HASH_ITERATOR_TRAITS(HashMapTraitsT, traits)
41
42template <class _Key, class _Tp, _STLP_DFL_TMPL_PARAM(_HashFcn,hash<_Key>),
43          _STLP_DFL_TMPL_PARAM(_EqualKey,equal_to<_Key>),
44          _STLP_DEFAULT_PAIR_ALLOCATOR_SELECT(_STLP_CONST _Key, _Tp) >
45class hash_map
46#if defined (_STLP_USE_PARTIAL_SPEC_WORKAROUND)
47               : public __stlport_class<hash_map<_Key, _Tp, _HashFcn, _EqualKey, _Alloc> >
48#endif
49{
50private:
51  typedef hash_map<_Key, _Tp, _HashFcn, _EqualKey, _Alloc> _Self;
52public:
53  typedef _Key key_type;
54  typedef _Tp data_type;
55  typedef _Tp mapped_type;
56  typedef pair<_STLP_CONST key_type, data_type> value_type;
57private:
58  //Specific iterator traits creation
59  typedef _STLP_PRIV _HashMapTraitsT<value_type> _HashMapTraits;
60
61public:
62  typedef hashtable<value_type, key_type, _HashFcn, _HashMapTraits,
63                    _STLP_SELECT1ST(value_type, _Key), _EqualKey, _Alloc > _Ht;
64
65  typedef typename _Ht::hasher hasher;
66  typedef typename _Ht::key_equal key_equal;
67
68  typedef typename _Ht::size_type size_type;
69  typedef typename _Ht::difference_type difference_type;
70  typedef typename _Ht::pointer pointer;
71  typedef typename _Ht::const_pointer const_pointer;
72  typedef typename _Ht::reference reference;
73  typedef typename _Ht::const_reference const_reference;
74
75  typedef typename _Ht::iterator iterator;
76  typedef typename _Ht::const_iterator const_iterator;
77
78  typedef typename _Ht::allocator_type allocator_type;
79
80  hasher hash_funct() const { return _M_ht.hash_funct(); }
81  key_equal key_eq() const { return _M_ht.key_eq(); }
82  allocator_type get_allocator() const { return _M_ht.get_allocator(); }
83
84private:
85  _Ht _M_ht;
86  _STLP_KEY_TYPE_FOR_CONT_EXT(key_type)
87public:
88  hash_map() : _M_ht(0, hasher(), key_equal(), allocator_type()) {}
89  explicit hash_map(size_type __n)
90    : _M_ht(__n, hasher(), key_equal(), allocator_type()) {}
91  hash_map(size_type __n, const hasher& __hf)
92    : _M_ht(__n, __hf, key_equal(), allocator_type()) {}
93  hash_map(size_type __n, const hasher& __hf, const key_equal& __eql,
94           const allocator_type& __a = allocator_type())
95    : _M_ht(__n, __hf, __eql, __a) {}
96
97#if !defined (_STLP_NO_MOVE_SEMANTIC)
98  hash_map(__move_source<_Self> src)
99    : _M_ht(__move_source<_Ht>(src.get()._M_ht)) {
100  }
101#endif
102
103#ifdef _STLP_MEMBER_TEMPLATES
104  template <class _InputIterator>
105  hash_map(_InputIterator __f, _InputIterator __l)
106    : _M_ht(0, hasher(), key_equal(), allocator_type())
107    { _M_ht.insert_unique(__f, __l); }
108  template <class _InputIterator>
109  hash_map(_InputIterator __f, _InputIterator __l, size_type __n)
110    : _M_ht(__n, hasher(), key_equal(), allocator_type())
111    { _M_ht.insert_unique(__f, __l); }
112  template <class _InputIterator>
113  hash_map(_InputIterator __f, _InputIterator __l, size_type __n,
114           const hasher& __hf)
115    : _M_ht(__n, __hf, key_equal(), allocator_type())
116    { _M_ht.insert_unique(__f, __l); }
117# ifdef _STLP_NEEDS_EXTRA_TEMPLATE_CONSTRUCTORS
118  template <class _InputIterator>
119  hash_map(_InputIterator __f, _InputIterator __l, size_type __n,
120           const hasher& __hf, const key_equal& __eql)
121    : _M_ht(__n, __hf, __eql, allocator_type())
122    { _M_ht.insert_unique(__f, __l); }
123# endif
124  template <class _InputIterator>
125  hash_map(_InputIterator __f, _InputIterator __l, size_type __n,
126           const hasher& __hf, const key_equal& __eql,
127           const allocator_type& __a _STLP_ALLOCATOR_TYPE_DFL)
128    : _M_ht(__n, __hf, __eql, __a)
129    { _M_ht.insert_unique(__f, __l); }
130
131#else
132  hash_map(const value_type* __f, const value_type* __l)
133    : _M_ht(0, hasher(), key_equal(), allocator_type())
134    { _M_ht.insert_unique(__f, __l); }
135  hash_map(const value_type* __f, const value_type* __l, size_type __n)
136    : _M_ht(__n, hasher(), key_equal(), allocator_type())
137    { _M_ht.insert_unique(__f, __l); }
138  hash_map(const value_type* __f, const value_type* __l, size_type __n,
139           const hasher& __hf)
140    : _M_ht(__n, __hf, key_equal(), allocator_type())
141    { _M_ht.insert_unique(__f, __l); }
142  hash_map(const value_type* __f, const value_type* __l, size_type __n,
143           const hasher& __hf, const key_equal& __eql,
144           const allocator_type& __a = allocator_type())
145    : _M_ht(__n, __hf, __eql, __a)
146    { _M_ht.insert_unique(__f, __l); }
147
148  hash_map(const_iterator __f, const_iterator __l)
149    : _M_ht(0, hasher(), key_equal(), allocator_type())
150    { _M_ht.insert_unique(__f, __l); }
151  hash_map(const_iterator __f, const_iterator __l, size_type __n)
152    : _M_ht(__n, hasher(), key_equal(), allocator_type())
153    { _M_ht.insert_unique(__f, __l); }
154  hash_map(const_iterator __f, const_iterator __l, size_type __n,
155           const hasher& __hf)
156    : _M_ht(__n, __hf, key_equal(), allocator_type())
157    { _M_ht.insert_unique(__f, __l); }
158  hash_map(const_iterator __f, const_iterator __l, size_type __n,
159           const hasher& __hf, const key_equal& __eql,
160           const allocator_type& __a = allocator_type())
161    : _M_ht(__n, __hf, __eql, __a)
162    { _M_ht.insert_unique(__f, __l); }
163#endif /*_STLP_MEMBER_TEMPLATES */
164
165public:
166  size_type size() const { return _M_ht.size(); }
167  size_type max_size() const { return _M_ht.max_size(); }
168  bool empty() const { return _M_ht.empty(); }
169  void swap(_Self& __hs) { _M_ht.swap(__hs._M_ht); }
170#if defined (_STLP_USE_PARTIAL_SPEC_WORKAROUND) && !defined (_STLP_FUNCTION_TMPL_PARTIAL_ORDER)
171  void _M_swap_workaround(_Self& __x) { swap(__x); }
172#endif
173  iterator begin() { return _M_ht.begin(); }
174  iterator end() { return _M_ht.end(); }
175  const_iterator begin() const { return _M_ht.begin(); }
176  const_iterator end() const { return _M_ht.end(); }
177
178public:
179  pair<iterator,bool> insert(const value_type& __obj)
180  { return _M_ht.insert_unique(__obj); }
181#ifdef _STLP_MEMBER_TEMPLATES
182  template <class _InputIterator>
183  void insert(_InputIterator __f, _InputIterator __l)
184  { _M_ht.insert_unique(__f,__l); }
185#else
186  void insert(const value_type* __f, const value_type* __l)
187  { _M_ht.insert_unique(__f,__l); }
188  void insert(const_iterator __f, const_iterator __l)
189  { _M_ht.insert_unique(__f, __l); }
190#endif /*_STLP_MEMBER_TEMPLATES */
191  pair<iterator,bool> insert_noresize(const value_type& __obj)
192  { return _M_ht.insert_unique_noresize(__obj); }
193
194  _STLP_TEMPLATE_FOR_CONT_EXT
195  iterator find(const _KT& __key) { return _M_ht.find(__key); }
196  _STLP_TEMPLATE_FOR_CONT_EXT
197  const_iterator find(const _KT& __key) const { return _M_ht.find(__key); }
198
199  _STLP_TEMPLATE_FOR_CONT_EXT
200  _Tp& operator[](const _KT& __key) {
201    iterator __it = _M_ht.find(__key);
202    return (__it == _M_ht.end() ?
203      _M_ht._M_insert(value_type(__key, _STLP_DEFAULT_CONSTRUCTED(_Tp))).second :
204      (*__it).second );
205  }
206
207  _STLP_TEMPLATE_FOR_CONT_EXT
208  size_type count(const _KT& __key) const { return _M_ht.count(__key); }
209
210  _STLP_TEMPLATE_FOR_CONT_EXT
211  pair<iterator, iterator> equal_range(const _KT& __key)
212  { return _M_ht.equal_range(__key); }
213  _STLP_TEMPLATE_FOR_CONT_EXT
214  pair<const_iterator, const_iterator> equal_range(const _KT& __key) const
215  { return _M_ht.equal_range(__key); }
216
217  _STLP_TEMPLATE_FOR_CONT_EXT
218  size_type erase(const _KT& __key) {return _M_ht.erase(__key); }
219  void erase(iterator __it) { _M_ht.erase(__it); }
220  void erase(iterator __f, iterator __l) { _M_ht.erase(__f, __l); }
221  void clear() { _M_ht.clear(); }
222
223  void resize(size_type __hint) { _M_ht.resize(__hint); }
224  size_type bucket_count() const { return _M_ht.bucket_count(); }
225  size_type max_bucket_count() const { return _M_ht.max_bucket_count(); }
226  size_type elems_in_bucket(size_type __n) const
227  { return _M_ht.elems_in_bucket(__n); }
228};
229
230//Specific iterator traits creation
231_STLP_CREATE_HASH_ITERATOR_TRAITS(HashMultimapTraitsT, traits)
232
233template <class _Key, class _Tp, _STLP_DFL_TMPL_PARAM(_HashFcn,hash<_Key>),
234          _STLP_DFL_TMPL_PARAM(_EqualKey,equal_to<_Key>),
235          _STLP_DEFAULT_PAIR_ALLOCATOR_SELECT(_STLP_CONST _Key, _Tp) >
236class hash_multimap
237#if defined (_STLP_USE_PARTIAL_SPEC_WORKAROUND)
238                    : public __stlport_class<hash_multimap<_Key, _Tp, _HashFcn, _EqualKey, _Alloc> >
239#endif
240{
241private:
242  typedef hash_multimap<_Key, _Tp, _HashFcn, _EqualKey, _Alloc> _Self;
243public:
244  typedef _Key key_type;
245  typedef _Tp data_type;
246  typedef _Tp mapped_type;
247  typedef pair<_STLP_CONST key_type, data_type> value_type;
248private:
249  //Specific iterator traits creation
250  typedef _STLP_PRIV _HashMultimapTraitsT<value_type> _HashMultimapTraits;
251
252public:
253  typedef hashtable<value_type, key_type, _HashFcn, _HashMultimapTraits,
254                    _STLP_SELECT1ST(value_type,  _Key), _EqualKey, _Alloc > _Ht;
255
256  typedef typename _Ht::hasher hasher;
257  typedef typename _Ht::key_equal key_equal;
258
259  typedef typename _Ht::size_type size_type;
260  typedef typename _Ht::difference_type difference_type;
261  typedef typename _Ht::pointer pointer;
262  typedef typename _Ht::const_pointer const_pointer;
263  typedef typename _Ht::reference reference;
264  typedef typename _Ht::const_reference const_reference;
265
266  typedef typename _Ht::iterator iterator;
267  typedef typename _Ht::const_iterator const_iterator;
268
269  typedef typename _Ht::allocator_type allocator_type;
270
271  hasher hash_funct() const { return _M_ht.hash_funct(); }
272  key_equal key_eq() const { return _M_ht.key_eq(); }
273  allocator_type get_allocator() const { return _M_ht.get_allocator(); }
274
275private:
276  _Ht _M_ht;
277  _STLP_KEY_TYPE_FOR_CONT_EXT(key_type)
278public:
279  hash_multimap() : _M_ht(0, hasher(), key_equal(), allocator_type()) {}
280  explicit hash_multimap(size_type __n)
281    : _M_ht(__n, hasher(), key_equal(), allocator_type()) {}
282  hash_multimap(size_type __n, const hasher& __hf)
283    : _M_ht(__n, __hf, key_equal(), allocator_type()) {}
284  hash_multimap(size_type __n, const hasher& __hf, const key_equal& __eql,
285                const allocator_type& __a = allocator_type())
286    : _M_ht(__n, __hf, __eql, __a) {}
287
288#if !defined (_STLP_NO_MOVE_SEMANTIC)
289  hash_multimap(__move_source<_Self> src)
290    : _M_ht(__move_source<_Ht>(src.get()._M_ht)) {
291  }
292#endif
293
294#ifdef _STLP_MEMBER_TEMPLATES
295  template <class _InputIterator>
296  hash_multimap(_InputIterator __f, _InputIterator __l)
297    : _M_ht(0, hasher(), key_equal(), allocator_type())
298    { _M_ht.insert_equal(__f, __l); }
299  template <class _InputIterator>
300  hash_multimap(_InputIterator __f, _InputIterator __l, size_type __n)
301    : _M_ht(__n, hasher(), key_equal(), allocator_type())
302    { _M_ht.insert_equal(__f, __l); }
303  template <class _InputIterator>
304  hash_multimap(_InputIterator __f, _InputIterator __l, size_type __n,
305                const hasher& __hf)
306    : _M_ht(__n, __hf, key_equal(), allocator_type())
307    { _M_ht.insert_equal(__f, __l); }
308#  ifdef _STLP_NEEDS_EXTRA_TEMPLATE_CONSTRUCTORS
309  template <class _InputIterator>
310  hash_multimap(_InputIterator __f, _InputIterator __l, size_type __n,
311                const hasher& __hf, const key_equal& __eql)
312    : _M_ht(__n, __hf, __eql, allocator_type())
313    { _M_ht.insert_equal(__f, __l); }
314#  endif
315  template <class _InputIterator>
316  hash_multimap(_InputIterator __f, _InputIterator __l, size_type __n,
317                const hasher& __hf, const key_equal& __eql,
318                const allocator_type& __a _STLP_ALLOCATOR_TYPE_DFL)
319    : _M_ht(__n, __hf, __eql, __a)
320    { _M_ht.insert_equal(__f, __l); }
321
322#else
323  hash_multimap(const value_type* __f, const value_type* __l)
324    : _M_ht(0, hasher(), key_equal(), allocator_type())
325    { _M_ht.insert_equal(__f, __l); }
326  hash_multimap(const value_type* __f, const value_type* __l, size_type __n)
327    : _M_ht(__n, hasher(), key_equal(), allocator_type())
328    { _M_ht.insert_equal(__f, __l); }
329  hash_multimap(const value_type* __f, const value_type* __l, size_type __n,
330                const hasher& __hf)
331    : _M_ht(__n, __hf, key_equal(), allocator_type())
332    { _M_ht.insert_equal(__f, __l); }
333  hash_multimap(const value_type* __f, const value_type* __l, size_type __n,
334                const hasher& __hf, const key_equal& __eql,
335                const allocator_type& __a = allocator_type())
336    : _M_ht(__n, __hf, __eql, __a)
337    { _M_ht.insert_equal(__f, __l); }
338
339  hash_multimap(const_iterator __f, const_iterator __l)
340    : _M_ht(0, hasher(), key_equal(), allocator_type())
341    { _M_ht.insert_equal(__f, __l); }
342  hash_multimap(const_iterator __f, const_iterator __l, size_type __n)
343    : _M_ht(__n, hasher(), key_equal(), allocator_type())
344    { _M_ht.insert_equal(__f, __l); }
345  hash_multimap(const_iterator __f, const_iterator __l, size_type __n,
346                const hasher& __hf)
347    : _M_ht(__n, __hf, key_equal(), allocator_type())
348    { _M_ht.insert_equal(__f, __l); }
349  hash_multimap(const_iterator __f, const_iterator __l, size_type __n,
350                const hasher& __hf, const key_equal& __eql,
351                const allocator_type& __a = allocator_type())
352    : _M_ht(__n, __hf, __eql, __a)
353    { _M_ht.insert_equal(__f, __l); }
354#endif /*_STLP_MEMBER_TEMPLATES */
355
356public:
357  size_type size() const { return _M_ht.size(); }
358  size_type max_size() const { return _M_ht.max_size(); }
359  bool empty() const { return _M_ht.empty(); }
360  void swap(_Self& __hs) { _M_ht.swap(__hs._M_ht); }
361#if defined (_STLP_USE_PARTIAL_SPEC_WORKAROUND) && !defined (_STLP_FUNCTION_TMPL_PARTIAL_ORDER)
362  void _M_swap_workaround(_Self& __x) { swap(__x); }
363#endif
364
365  iterator begin() { return _M_ht.begin(); }
366  iterator end() { return _M_ht.end(); }
367  const_iterator begin() const { return _M_ht.begin(); }
368  const_iterator end() const { return _M_ht.end(); }
369
370public:
371  iterator insert(const value_type& __obj)
372    { return _M_ht.insert_equal(__obj); }
373#ifdef _STLP_MEMBER_TEMPLATES
374  template <class _InputIterator>
375  void insert(_InputIterator __f, _InputIterator __l)
376    { _M_ht.insert_equal(__f,__l); }
377#else
378  void insert(const value_type* __f, const value_type* __l) {
379    _M_ht.insert_equal(__f,__l);
380  }
381  void insert(const_iterator __f, const_iterator __l)
382    { _M_ht.insert_equal(__f, __l); }
383#endif /*_STLP_MEMBER_TEMPLATES */
384  iterator insert_noresize(const value_type& __obj)
385    { return _M_ht.insert_equal_noresize(__obj); }
386
387  _STLP_TEMPLATE_FOR_CONT_EXT
388  iterator find(const _KT& __key) { return _M_ht.find(__key); }
389  _STLP_TEMPLATE_FOR_CONT_EXT
390  const_iterator find(const _KT& __key) const { return _M_ht.find(__key); }
391
392  _STLP_TEMPLATE_FOR_CONT_EXT
393  size_type count(const _KT& __key) const { return _M_ht.count(__key); }
394
395  _STLP_TEMPLATE_FOR_CONT_EXT
396  pair<iterator, iterator>
397  equal_range(const _KT& __key) { return _M_ht.equal_range(__key); }
398  _STLP_TEMPLATE_FOR_CONT_EXT
399  pair<const_iterator, const_iterator>
400  equal_range(const _KT& __key) const { return _M_ht.equal_range(__key); }
401
402  _STLP_TEMPLATE_FOR_CONT_EXT
403  size_type erase(const _KT& __key) {return _M_ht.erase(__key); }
404  void erase(iterator __it) { _M_ht.erase(__it); }
405  void erase(iterator __f, iterator __l) { _M_ht.erase(__f, __l); }
406  void clear() { _M_ht.clear(); }
407
408public:
409  void resize(size_type __hint) { _M_ht.resize(__hint); }
410  size_type bucket_count() const { return _M_ht.bucket_count(); }
411  size_type max_bucket_count() const { return _M_ht.max_bucket_count(); }
412  size_type elems_in_bucket(size_type __n) const
413  { return _M_ht.elems_in_bucket(__n); }
414};
415
416#define _STLP_TEMPLATE_HEADER template <class _Key, class _Tp, class _HashFcn, class _EqlKey, class _Alloc>
417#define _STLP_TEMPLATE_CONTAINER hash_map<_Key,_Tp,_HashFcn,_EqlKey,_Alloc>
418#include <stl/_relops_hash_cont.h>
419#undef _STLP_TEMPLATE_CONTAINER
420#define _STLP_TEMPLATE_CONTAINER hash_multimap<_Key,_Tp,_HashFcn,_EqlKey,_Alloc>
421#include <stl/_relops_hash_cont.h>
422#undef _STLP_TEMPLATE_CONTAINER
423#undef _STLP_TEMPLATE_HEADER
424
425#if defined (_STLP_CLASS_PARTIAL_SPECIALIZATION)
426#  if !defined (_STLP_NO_MOVE_SEMANTIC)
427template <class _Key, class _Tp, class _HashFn,  class _EqKey, class _Alloc>
428struct __move_traits<hash_map<_Key, _Tp, _HashFn, _EqKey, _Alloc> > :
429  _STLP_PRIV __move_traits_help<typename hash_map<_Key, _Tp, _HashFn, _EqKey, _Alloc>::_Ht>
430{};
431
432template <class _Key, class _Tp, class _HashFn,  class _EqKey, class _Alloc>
433struct __move_traits<hash_multimap<_Key, _Tp, _HashFn, _EqKey, _Alloc> > :
434  _STLP_PRIV __move_traits_help<typename hash_multimap<_Key, _Tp, _HashFn, _EqKey, _Alloc>::_Ht>
435{};
436#  endif
437
438// Specialization of insert_iterator so that it will work for hash_map
439// and hash_multimap.
440template <class _Key, class _Tp, class _HashFn,  class _EqKey, class _Alloc>
441class insert_iterator<hash_map<_Key, _Tp, _HashFn, _EqKey, _Alloc> > {
442protected:
443  typedef hash_map<_Key, _Tp, _HashFn, _EqKey, _Alloc> _Container;
444  _Container* container;
445public:
446  typedef _Container          container_type;
447  typedef output_iterator_tag iterator_category;
448  typedef void                value_type;
449  typedef void                difference_type;
450  typedef void                pointer;
451  typedef void                reference;
452
453  insert_iterator(_Container& __x) : container(&__x) {}
454  insert_iterator(_Container& __x, typename _Container::iterator)
455    : container(&__x) {}
456  insert_iterator<_Container>&
457  operator=(const typename _Container::value_type& __val) {
458    container->insert(__val);
459    return *this;
460  }
461  insert_iterator<_Container>& operator*() { return *this; }
462  insert_iterator<_Container>& operator++() { return *this; }
463  insert_iterator<_Container>& operator++(int) { return *this; }
464};
465
466template <class _Key, class _Tp, class _HashFn,  class _EqKey, class _Alloc>
467class insert_iterator<hash_multimap<_Key, _Tp, _HashFn, _EqKey, _Alloc> > {
468protected:
469  typedef hash_multimap<_Key, _Tp, _HashFn, _EqKey, _Alloc> _Container;
470  _Container* container;
471  typename _Container::iterator iter;
472public:
473  typedef _Container          container_type;
474  typedef output_iterator_tag iterator_category;
475  typedef void                value_type;
476  typedef void                difference_type;
477  typedef void                pointer;
478  typedef void                reference;
479
480  insert_iterator(_Container& __x) : container(&__x) {}
481  insert_iterator(_Container& __x, typename _Container::iterator)
482    : container(&__x) {}
483  insert_iterator<_Container>&
484  operator=(const typename _Container::value_type& __val) {
485    container->insert(__val);
486    return *this;
487  }
488  insert_iterator<_Container>& operator*() { return *this; }
489  insert_iterator<_Container>& operator++() { return *this; }
490  insert_iterator<_Container>& operator++(int) { return *this; }
491};
492#endif /* _STLP_CLASS_PARTIAL_SPECIALIZATION */
493
494_STLP_END_NAMESPACE
495
496#endif /* _STLP_INTERNAL_HASH_MAP_H */
497
498// Local Variables:
499// mode:C++
500// End:
501