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

   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