1// Debugging hash_multiset implementation -*- C++ -*-
2
3// Copyright (C) 2003, 2005, 2006
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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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/** @file debug/hash_multiset.h
32 *  This file is a GNU debug extension to the Standard C++ Library.
33 */
34
35#ifndef _GLIBCXX_DEBUG_HASH_MULTISET_H
36#define _GLIBCXX_DEBUG_HASH_MULTISET_H 1
37
38#include <debug/safe_sequence.h>
39#include <debug/safe_iterator.h>
40
41namespace __gnu_cxx
42{
43namespace __debug
44{
45  template<typename _Value,
46	   typename _HashFcn  = __gnu_cxx::hash<_Value>,
47	   typename _EqualKey = std::equal_to<_Value>,
48	   typename _Alloc =  std::allocator<_Value> >
49    class hash_multiset
50    : public _GLIBCXX_EXT::hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>,
51      public __gnu_debug::_Safe_sequence<hash_multiset<_Value, _HashFcn,
52						       _EqualKey, _Alloc> >
53    {
54      typedef _GLIBCXX_EXT:: hash_multiset<_Value,_HashFcn, _EqualKey,_Alloc>
55							_Base;
56      typedef __gnu_debug::_Safe_sequence<hash_multiset> _Safe_base;
57
58  public:
59    typedef typename _Base::key_type			key_type;
60    typedef typename _Base::value_type			value_type;
61    typedef typename _Base::hasher			hasher;
62    typedef typename _Base::key_equal			key_equal;
63    typedef typename _Base::size_type			size_type;
64    typedef typename _Base::difference_type		difference_type;
65    typedef typename _Base::pointer			pointer;
66    typedef typename _Base::const_pointer		const_pointer;
67    typedef typename _Base::reference			reference;
68    typedef typename _Base::const_reference		const_reference;
69
70    typedef __gnu_debug::_Safe_iterator<typename _Base::iterator,
71					 hash_multiset> iterator;
72    typedef __gnu_debug::_Safe_iterator<typename _Base::const_iterator,
73					 hash_multiset> const_iterator;
74
75    typedef typename _Base::allocator_type              allocator_type;
76
77    using _Base::hash_funct;
78    using _Base::key_eq;
79    using _Base::get_allocator;
80
81    hash_multiset() { }
82
83    explicit hash_multiset(size_type __n) : _Base(__n) { }
84
85    hash_multiset(size_type __n, const hasher& __hf) : _Base(__n, __hf) { }
86
87    hash_multiset(size_type __n, const hasher& __hf, const key_equal& __eql,
88		  const allocator_type& __a = allocator_type())
89    : _Base(__n, __hf, __eql, __a)
90    { }
91
92    template<typename _InputIterator>
93      hash_multiset(_InputIterator __f, _InputIterator __l)
94      : _Base(__gnu_debug::__check_valid_range(__f, __l), __l)
95      { }
96
97    template<typename _InputIterator>
98      hash_multiset(_InputIterator __f, _InputIterator __l, size_type __n)
99      : _Base(__gnu_debug::__check_valid_range(__f, __l), __l, __n)
100      { }
101
102    template<typename _InputIterator>
103      hash_multiset(_InputIterator __f, _InputIterator __l, size_type __n,
104		    const hasher& __hf)
105      : _Base(__gnu_debug::__check_valid_range(__f, __l), __l, __n, __hf)
106      { }
107
108    template<typename _InputIterator>
109      hash_multiset(_InputIterator __f, _InputIterator __l, size_type __n,
110		    const hasher& __hf, const key_equal& __eql,
111		    const allocator_type& __a = allocator_type())
112      : _Base(__gnu_debug::__check_valid_range(__f, __l), __l, __n, __hf,
113	      __eql, __a)
114      { }
115
116    hash_multiset(const _Base& __x) : _Base(__x), _Safe_base() { }
117
118    using _Base::size;
119    using _Base::max_size;
120    using _Base::empty;
121
122    void
123    swap(hash_multiset& __x)
124    {
125      _Base::swap(__x);
126      this->_M_swap(__x);
127    }
128
129    iterator begin() const { return iterator(_Base::begin(), this); }
130    iterator end() const   { return iterator(_Base::end(),   this); }
131
132    iterator
133    insert(const value_type& __obj)
134    { return iterator(_Base::insert(__obj), this); }
135
136    template <typename _InputIterator>
137      void
138      insert(_InputIterator __first, _InputIterator __last)
139      {
140	__glibcxx_check_valid_range(__first, __last);
141	_Base::insert(__first.base(), __last.base());
142      }
143
144
145    iterator
146    insert_noresize(const value_type& __obj)
147    { return iterator(_Base::insert_noresize(__obj), this); }
148
149    iterator
150    find(const key_type& __key) const
151    { return iterator(_Base::find(__key), this); }
152
153    using _Base::count;
154
155    std::pair<iterator, iterator>
156    equal_range(const key_type& __key) const
157    {
158      typedef typename _Base::iterator _Base_iterator;
159      std::pair<_Base_iterator, _Base_iterator> __res =
160	_Base::equal_range(__key);
161      return std::make_pair(iterator(__res.first, this),
162			    iterator(__res.second, this));
163    }
164
165    size_type
166    erase(const key_type& __key)
167    {
168      size_type __count = 0;
169      std::pair<iterator, iterator> __victims = this->equal_range(__key);
170      while (__victims.first != __victims.second)
171	{
172	  this->erase(__victims++);
173	  ++__count;
174	}
175      return __count;
176    }
177
178    void
179    erase(iterator __it)
180    {
181      __glibcxx_check_erase(__it);
182      __it._M_invalidate();
183      _Base::erase(__it.base());
184    }
185
186    void
187    erase(iterator __first, iterator __last)
188    {
189      __glibcxx_check_erase_range(__first, __last);
190      for (iterator __tmp = __first; __tmp != __last;)
191	{
192	  iterator __victim = __tmp++;
193	  __victim._M_invalidate();
194	}
195      _Base::erase(__first.base(), __last.base());
196    }
197
198    void
199    clear()
200    {
201      _Base::clear();
202      this->_M_invalidate_all();
203    }
204
205    using _Base::resize;
206    using _Base::bucket_count;
207    using _Base::max_bucket_count;
208    using _Base::elems_in_bucket;
209
210    _Base&       _M_base()       { return *this; }
211    const _Base& _M_base() const { return *this; }
212
213  private:
214    void
215    _M_invalidate_all()
216    {
217      typedef typename _Base::const_iterator _Base_const_iterator;
218      typedef __gnu_debug::_Not_equal_to<_Base_const_iterator> _Not_equal;
219      this->_M_invalidate_if(_Not_equal(_M_base().end()));
220    }
221  };
222
223template<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
229template<typename _Value, typename _HashFcn, typename _EqualKey, typename _Alloc>
230  inline bool
231  operator!=(const hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>& __x,
232	     const hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>& __y)
233  { return __x._M_base() != __y._M_base(); }
234
235template<typename _Value, typename _HashFcn, typename _EqualKey, typename _Alloc>
236  inline void
237  swap(hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>& __x,
238       hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>& __y)
239  { __x.swap(__y); }
240} // namespace __debug
241} // namespace __gnu_cxx
242
243#endif
244