1 // Debugging hash_multiset implementation -*- C++ -*-
2 
3 // Copyright (C) 2003
4 // Free Software Foundation, Inc.
5 //
6 // This file is part of the GNU ISO C++ Library.  This library is free
7 // software; you can redistribute it and/or modify it under the
8 // terms of the GNU General Public License as published by the
9 // Free Software Foundation; either version 2, or (at your option)
10 // any later version.
11 
12 // This library is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 // GNU General Public License for more details.
16 
17 // You should have received a copy of the GNU General Public License along
18 // with this library; see the file COPYING.  If not, write to the Free
19 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
20 // USA.
21 
22 // As a special exception, you may use this file as part of a free software
23 // library without restriction.  Specifically, if other files instantiate
24 // templates or use macros or inline functions from this file, or you compile
25 // this file and link it with other files to produce an executable, this
26 // file does not by itself cause the resulting executable to be covered by
27 // the GNU General Public License.  This exception does not however
28 // invalidate any other reasons why the executable file might be covered by
29 // the GNU General Public License.
30 
31 #ifndef _GLIBCXX_DEBUG_HASH_MULTISET_H
32 #define _GLIBCXX_DEBUG_HASH_MULTISET_H 1
33 
34 #include <debug/safe_sequence.h>
35 #include <debug/safe_iterator.h>
36 
37 namespace __gnu_debug_def
38 {
39   template<typename _Value,
40 	   typename _HashFcn  = __gnu_cxx::hash<_Value>,
41 	   typename _EqualKey = std::equal_to<_Value>,
42 	   typename _Alloc =  std::allocator<_Value> >
43     class hash_multiset
44     : public __gnu_cxx::hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>,
45       public __gnu_debug::_Safe_sequence<hash_multiset<_Value, _HashFcn,
46 						       _EqualKey, _Alloc> >
47     {
48       typedef __gnu_cxx:: hash_multiset<_Value,_HashFcn, _EqualKey,_Alloc>
49 							_Base;
50       typedef __gnu_debug::_Safe_sequence<hash_multiset> _Safe_base;
51 
52   public:
53     typedef typename _Base::key_type			key_type;
54     typedef typename _Base::value_type			value_type;
55     typedef typename _Base::hasher			hasher;
56     typedef typename _Base::key_equal			key_equal;
57     typedef typename _Base::size_type			size_type;
58     typedef typename _Base::difference_type		difference_type;
59     typedef typename _Base::pointer			pointer;
60     typedef typename _Base::const_pointer		const_pointer;
61     typedef typename _Base::reference			reference;
62     typedef typename _Base::const_reference		const_reference;
63 
64     typedef __gnu_debug::_Safe_iterator<typename _Base::iterator,
65 					 hash_multiset> iterator;
66     typedef __gnu_debug::_Safe_iterator<typename _Base::const_iterator,
67 					 hash_multiset> const_iterator;
68 
69     typedef typename _Base::allocator_type              allocator_type;
70 
71     using _Base::hash_funct;
72     using _Base::key_eq;
73     using _Base::get_allocator;
74 
75     hash_multiset() { }
76 
77     explicit hash_multiset(size_type __n) : _Base(__n) { }
78 
79     hash_multiset(size_type __n, const hasher& __hf) : _Base(__n, __hf) { }
80 
81     hash_multiset(size_type __n, const hasher& __hf, const key_equal& __eql,
82 		  const allocator_type& __a = allocator_type())
83     : _Base(__n, __hf, __eql, __a)
84     { }
85 
86     template<typename _InputIterator>
87       hash_multiset(_InputIterator __f, _InputIterator __l)
88       : _Base(__gnu_debug::__check_valid_range(__f, __l), __l)
89       { }
90 
91     template<typename _InputIterator>
92       hash_multiset(_InputIterator __f, _InputIterator __l, size_type __n)
93       : _Base(__gnu_debug::__check_valid_range(__f, __l), __l, __n)
94       { }
95 
96     template<typename _InputIterator>
97       hash_multiset(_InputIterator __f, _InputIterator __l, size_type __n,
98 		    const hasher& __hf)
99       : _Base(__gnu_debug::__check_valid_range(__f, __l), __l, __n, __hf)
100       { }
101 
102     template<typename _InputIterator>
103       hash_multiset(_InputIterator __f, _InputIterator __l, size_type __n,
104 		    const hasher& __hf, const key_equal& __eql,
105 		    const allocator_type& __a = allocator_type())
106       : _Base(__gnu_debug::__check_valid_range(__f, __l), __l, __n, __hf,
107 	      __eql, __a)
108       { }
109 
110     hash_multiset(const _Base& __x) : _Base(__x), _Safe_base() { }
111 
112     using _Base::size;
113     using _Base::max_size;
114     using _Base::empty;
115 
116     void
117     swap(hash_multiset& __x)
118     {
119       _Base::swap(__x);
120       this->_M_swap(__x);
121     }
122 
123     iterator begin() const { return iterator(_Base::begin(), this); }
124     iterator end() const   { return iterator(_Base::end(),   this); }
125 
126     iterator
127     insert(const value_type& __obj)
128     { return iterator(_Base::insert(__obj), this); }
129 
130     template <typename _InputIterator>
131       void
132       insert(_InputIterator __first, _InputIterator __last)
133       {
134 	__glibcxx_check_valid_range(__first, __last);
135 	_Base::insert(__first.base(), __last.base());
136       }
137 
138 
139     iterator
140     insert_noresize(const value_type& __obj)
141     { return iterator(_Base::insert_noresize(__obj), this); }
142 
143     iterator
144     find(const key_type& __key) const
145     { return iterator(_Base::find(__key), this); }
146 
147     using _Base::count;
148 
149     std::pair<iterator, iterator>
150     equal_range(const key_type& __key) const
151     {
152       typedef typename _Base::iterator _Base_iterator;
153       std::pair<_Base_iterator, _Base_iterator> __res =
154 	_Base::equal_range(__key);
155       return std::make_pair(iterator(__res.first, this),
156 			    iterator(__res.second, this));
157     }
158 
159     size_type
160     erase(const key_type& __key)
161     {
162       size_type __count = 0;
163       std::pair<iterator, iterator> __victims = this->equal_range(__key);
164       while (__victims.first != __victims.second)
165 	{
166 	  this->erase(__victims++);
167 	  ++__count;
168 	}
169       return __count;
170     }
171 
172     void
173     erase(iterator __it)
174     {
175       __glibcxx_check_erase(__it);
176       __it._M_invalidate();
177       _Base::erase(__it.base());
178     }
179 
180     void
181     erase(iterator __first, iterator __last)
182     {
183       __glibcxx_check_erase_range(__first, __last);
184       for (iterator __tmp = __first; __tmp != __last;)
185 	{
186 	  iterator __victim = __tmp++;
187 	  __victim._M_invalidate();
188 	}
189       _Base::erase(__first.base(), __last.base());
190     }
191 
192     void
193     clear()
194     {
195       _Base::clear();
196       this->_M_invalidate_all();
197     }
198 
199     using _Base::resize;
200     using _Base::bucket_count;
201     using _Base::max_bucket_count;
202     using _Base::elems_in_bucket;
203 
204     _Base&       _M_base()       { return *this; }
205     const _Base& _M_base() const { return *this; }
206 
207   private:
208     void
209     _M_invalidate_all()
210     {
211       typedef typename _Base::const_iterator _Base_const_iterator;
212       typedef __gnu_debug::_Not_equal_to<_Base_const_iterator> _Not_equal;
213       this->_M_invalidate_if(_Not_equal(_M_base().end()));
214     }
215   };
216 
217 template<typename _Value, typename _HashFcn, typename _EqualKey, typename _Alloc>
218   inline bool
219   operator==(const hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>& __x,
220 	     const hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>& __y)
221   { return __x._M_base() == __y._M_base(); }
222 
223 template<typename _Value, typename _HashFcn, typename _EqualKey, typename _Alloc>
224   inline bool
225   operator!=(const hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>& __x,
226 	     const hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>& __y)
227   { return __x._M_base() != __y._M_base(); }
228 
229 template<typename _Value, typename _HashFcn, typename _EqualKey, typename _Alloc>
230   inline void
231   swap(hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>& __x,
232        hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>& __y)
233   { __x.swap(__y); }
234 } // namespace __gnu_debug_def
235 
236 #endif
237