libstdc++-v3/include/debug/hash_multiset.h

   1 // Debugging hash_multiset implementation -*- C++ -*-
   2
   3 // Copyright (C) 2003, 2005
   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 #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 std
  38 {
  39 namespace __gnu_debug_def
  40 {
  41   template<typename _Value,
  42            typename _HashFcn  = __gnu_cxx::hash<_Value>,
  43            typename _EqualKey = std::equal_to<_Value>,
  44            typename _Alloc =  std::allocator<_Value> >
  45     class hash_multiset
  46     : public __gnu_cxx::hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>,
  47       public __gnu_debug::_Safe_sequence<hash_multiset<_Value, _HashFcn,
  48                                                        _EqualKey, _Alloc> >
  49     {
  50       typedef __gnu_cxx:: hash_multiset<_Value,_HashFcn, _EqualKey,_Alloc>
  51                                                         _Base;
  52       typedef __gnu_debug::_Safe_sequence<hash_multiset> _Safe_base;
  53
  54   public:
  55     typedef typename _Base::key_type                    key_type;
  56     typedef typename _Base::value_type                  value_type;
  57     typedef typename _Base::hasher                      hasher;
  58     typedef typename _Base::key_equal                   key_equal;
  59     typedef typename _Base::size_type                   size_type;
  60     typedef typename _Base::difference_type             difference_type;
  61     typedef typename _Base::pointer                     pointer;
  62     typedef typename _Base::const_pointer               const_pointer;
  63     typedef typename _Base::reference                   reference;
  64     typedef typename _Base::const_reference             const_reference;
  65
  66     typedef __gnu_debug::_Safe_iterator<typename _Base::iterator,
  67                                          hash_multiset> iterator;
  68     typedef __gnu_debug::_Safe_iterator<typename _Base::const_iterator,
  69                                          hash_multiset> const_iterator;
  70
  71     typedef typename _Base::allocator_type              allocator_type;
  72
  73     using _Base::hash_funct;
  74     using _Base::key_eq;
  75     using _Base::get_allocator;
  76
  77     hash_multiset() { }
  78
  79     explicit hash_multiset(size_type __n) : _Base(__n) { }
  80
  81     hash_multiset(size_type __n, const hasher& __hf) : _Base(__n, __hf) { }
  82
  83     hash_multiset(size_type __n, const hasher& __hf, const key_equal& __eql,
  84                   const allocator_type& __a = allocator_type())
  85     : _Base(__n, __hf, __eql, __a)
  86     { }
  87
  88     template<typename _InputIterator>
  89       hash_multiset(_InputIterator __f, _InputIterator __l)
  90       : _Base(__gnu_debug::__check_valid_range(__f, __l), __l)
  91       { }
  92
  93     template<typename _InputIterator>
  94       hash_multiset(_InputIterator __f, _InputIterator __l, size_type __n)
  95       : _Base(__gnu_debug::__check_valid_range(__f, __l), __l, __n)
  96       { }
  97
  98     template<typename _InputIterator>
  99       hash_multiset(_InputIterator __f, _InputIterator __l, size_type __n,
 100                     const hasher& __hf)
 101       : _Base(__gnu_debug::__check_valid_range(__f, __l), __l, __n, __hf)
 102       { }
 103
 104     template<typename _InputIterator>
 105       hash_multiset(_InputIterator __f, _InputIterator __l, size_type __n,
 106                     const hasher& __hf, const key_equal& __eql,
 107                     const allocator_type& __a = allocator_type())
 108       : _Base(__gnu_debug::__check_valid_range(__f, __l), __l, __n, __hf,
 109               __eql, __a)
 110       { }
 111
 112     hash_multiset(const _Base& __x) : _Base(__x), _Safe_base() { }
 113
 114     using _Base::size;
 115     using _Base::max_size;
 116     using _Base::empty;
 117
 118     void
 119     swap(hash_multiset& __x)
 120     {
 121       _Base::swap(__x);
 122       this->_M_swap(__x);
 123     }
 124
 125     iterator begin() const { return iterator(_Base::begin(), this); }
 126     iterator end() const   { return iterator(_Base::end(),   this); }
 127
 128     iterator
 129     insert(const value_type& __obj)
 130     { return iterator(_Base::insert(__obj), this); }
 131
 132     template <typename _InputIterator>
 133       void
 134       insert(_InputIterator __first, _InputIterator __last)
 135       {
 136         __glibcxx_check_valid_range(__first, __last);
 137         _Base::insert(__first.base(), __last.base());
 138       }
 139
 140
 141     iterator
 142     insert_noresize(const value_type& __obj)
 143     { return iterator(_Base::insert_noresize(__obj), this); }
 144
 145     iterator
 146     find(const key_type& __key) const
 147     { return iterator(_Base::find(__key), this); }
 148
 149     using _Base::count;
 150
 151     std::pair<iterator, iterator>
 152     equal_range(const key_type& __key) const
 153     {
 154       typedef typename _Base::iterator _Base_iterator;
 155       std::pair<_Base_iterator, _Base_iterator> __res =
 156         _Base::equal_range(__key);
 157       return std::make_pair(iterator(__res.first, this),
 158                             iterator(__res.second, this));
 159     }
 160
 161     size_type
 162     erase(const key_type& __key)
 163     {
 164       size_type __count = 0;
 165       std::pair<iterator, iterator> __victims = this->equal_range(__key);
 166       while (__victims.first != __victims.second)
 167         {
 168           this->erase(__victims++);
 169           ++__count;
 170         }
 171       return __count;
 172     }
 173
 174     void
 175     erase(iterator __it)
 176     {
 177       __glibcxx_check_erase(__it);
 178       __it._M_invalidate();
 179       _Base::erase(__it.base());
 180     }
 181
 182     void
 183     erase(iterator __first, iterator __last)
 184     {
 185       __glibcxx_check_erase_range(__first, __last);
 186       for (iterator __tmp = __first; __tmp != __last;)
 187         {
 188           iterator __victim = __tmp++;
 189           __victim._M_invalidate();
 190         }
 191       _Base::erase(__first.base(), __last.base());
 192     }
 193
 194     void
 195     clear()
 196     {
 197       _Base::clear();
 198       this->_M_invalidate_all();
 199     }
 200
 201     using _Base::resize;
 202     using _Base::bucket_count;
 203     using _Base::max_bucket_count;
 204     using _Base::elems_in_bucket;
 205
 206     _Base&       _M_base()       { return *this; }
 207     const _Base& _M_base() const { return *this; }
 208
 209   private:
 210     void
 211     _M_invalidate_all()
 212     {
 213       typedef typename _Base::const_iterator _Base_const_iterator;
 214       typedef __gnu_debug::_Not_equal_to<_Base_const_iterator> _Not_equal;
 215       this->_M_invalidate_if(_Not_equal(_M_base().end()));
 216     }
 217   };
 218
 219 template<typename _Value, typename _HashFcn, typename _EqualKey, typename _Alloc>
 220   inline bool
 221   operator==(const hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>& __x,
 222              const hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>& __y)
 223   { return __x._M_base() == __y._M_base(); }
 224
 225 template<typename _Value, typename _HashFcn, typename _EqualKey, typename _Alloc>
 226   inline bool
 227   operator!=(const hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>& __x,
 228              const hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>& __y)
 229   { return __x._M_base() != __y._M_base(); }
 230
 231 template<typename _Value, typename _HashFcn, typename _EqualKey, typename _Alloc>
 232   inline void
 233   swap(hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>& __x,
 234        hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>& __y)
 235   { __x.swap(__y); }
 236 } // namespace __gnu_debug_def
 237 } // namespace std
 238
 239 #endif