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

   1 // Debugging multiset implementation -*- C++ -*-
   2
   3 // Copyright (C) 2003, 2004, 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_MULTISET_H
  32 #define _GLIBCXX_DEBUG_MULTISET_H 1
  33
  34 #include <debug/safe_sequence.h>
  35 #include <debug/safe_iterator.h>
  36 #include <utility>
  37
  38 namespace std
  39 {
  40 namespace __gnu_debug_def
  41 {
  42   template<typename _Key, typename _Compare = std::less<_Key>,
  43            typename _Allocator = std::allocator<_Key> >
  44     class multiset
  45     : public _GLIBCXX_STD::multiset<_Key, _Compare, _Allocator>,
  46       public __gnu_debug::_Safe_sequence<multiset<_Key, _Compare, _Allocator> >
  47     {
  48       typedef _GLIBCXX_STD::multiset<_Key, _Compare, _Allocator> _Base;
  49       typedef __gnu_debug::_Safe_sequence<multiset> _Safe_base;
  50
  51     public:
  52       // types:
  53       typedef _Key                                   key_type;
  54       typedef _Key                                   value_type;
  55       typedef _Compare                               key_compare;
  56       typedef _Compare                               value_compare;
  57       typedef _Allocator                             allocator_type;
  58       typedef typename _Base::reference              reference;
  59       typedef typename _Base::const_reference        const_reference;
  60
  61       typedef __gnu_debug::_Safe_iterator<typename _Base::iterator, multiset>
  62       iterator;
  63       typedef __gnu_debug::_Safe_iterator<typename _Base::const_iterator,
  64                                           multiset> const_iterator;
  65
  66       typedef typename _Base::size_type              size_type;
  67       typedef typename _Base::difference_type        difference_type;
  68       typedef typename _Base::pointer                pointer;
  69       typedef typename _Base::const_pointer          const_pointer;
  70       typedef std::reverse_iterator<iterator>        reverse_iterator;
  71       typedef std::reverse_iterator<const_iterator>  const_reverse_iterator;
  72
  73       // 23.3.3.1 construct/copy/destroy:
  74       explicit multiset(const _Compare& __comp = _Compare(),
  75                         const _Allocator& __a = _Allocator())
  76       : _Base(__comp, __a) { }
  77
  78       template<typename _InputIterator>
  79         multiset(_InputIterator __first, _InputIterator __last,
  80                  const _Compare& __comp = _Compare(),
  81                  const _Allocator& __a = _Allocator())
  82         : _Base(__gnu_debug::__check_valid_range(__first, __last), __last,
  83                 __comp, __a) { }
  84
  85       multiset(const multiset<_Key,_Compare,_Allocator>& __x)
  86       : _Base(__x), _Safe_base() { }
  87
  88       multiset(const _Base& __x) : _Base(__x), _Safe_base() { }
  89
  90       ~multiset() { }
  91
  92       multiset<_Key,_Compare,_Allocator>&
  93       operator=(const multiset<_Key,_Compare,_Allocator>& __x)
  94       {
  95         *static_cast<_Base*>(this) = __x;
  96         this->_M_invalidate_all();
  97         return *this;
  98       }
  99
 100       using _Base::get_allocator;
 101
 102       // iterators:
 103       iterator
 104       begin()
 105       { return iterator(_Base::begin(), this); }
 106
 107       const_iterator
 108       begin() const
 109       { return const_iterator(_Base::begin(), this); }
 110
 111       iterator
 112       end()
 113       { return iterator(_Base::end(), this); }
 114
 115       const_iterator
 116       end() const
 117       { return const_iterator(_Base::end(), this); }
 118
 119       reverse_iterator
 120       rbegin()
 121       { return reverse_iterator(end()); }
 122
 123       const_reverse_iterator
 124       rbegin() const
 125       { return const_reverse_iterator(end()); }
 126
 127       reverse_iterator
 128       rend()
 129       { return reverse_iterator(begin()); }
 130
 131       const_reverse_iterator
 132       rend() const
 133       { return const_reverse_iterator(begin()); }
 134
 135       // capacity:
 136       using _Base::empty;
 137       using _Base::size;
 138       using _Base::max_size;
 139
 140       // modifiers:
 141       iterator
 142       insert(const value_type& __x)
 143       { return iterator(_Base::insert(__x), this); }
 144
 145       iterator
 146       insert(iterator __position, const value_type& __x)
 147       {
 148         __glibcxx_check_insert(__position);
 149         return iterator(_Base::insert(__position.base(), __x), this);
 150       }
 151
 152       template<typename _InputIterator>
 153       void
 154       insert(_InputIterator __first, _InputIterator __last)
 155       {
 156         __glibcxx_check_valid_range(__first, __last);
 157         _Base::insert(__first, __last);
 158       }
 159
 160       void
 161       erase(iterator __position)
 162       {
 163         __glibcxx_check_erase(__position);
 164         __position._M_invalidate();
 165         _Base::erase(__position.base());
 166       }
 167
 168       size_type
 169       erase(const key_type& __x)
 170       {
 171         std::pair<iterator, iterator> __victims = this->equal_range(__x);
 172         size_type __count = 0;
 173         while (__victims.first != __victims.second)
 174         {
 175           iterator __victim = __victims.first++;
 176           __victim._M_invalidate();
 177           _Base::erase(__victim.base());
 178           ++__count;
 179         }
 180         return __count;
 181       }
 182
 183       void
 184       erase(iterator __first, iterator __last)
 185       {
 186         // _GLIBCXX_RESOLVE_LIB_DEFECTS
 187         // 151. can't currently clear() empty container
 188         __glibcxx_check_erase_range(__first, __last);
 189         while (__first != __last)
 190         this->erase(__first++);
 191       }
 192
 193       void
 194       swap(multiset<_Key,_Compare,_Allocator>& __x)
 195       {
 196         _Base::swap(__x);
 197         this->_M_swap(__x);
 198       }
 199
 200       void
 201       clear()
 202       { this->erase(begin(), end()); }
 203
 204       // observers:
 205       using _Base::key_comp;
 206       using _Base::value_comp;
 207
 208       // multiset operations:
 209       iterator
 210       find(const key_type& __x)
 211       { return iterator(_Base::find(__x), this); }
 212
 213       // _GLIBCXX_RESOLVE_LIB_DEFECTS
 214       // 214. set::find() missing const overload
 215       const_iterator
 216       find(const key_type& __x) const
 217       { return const_iterator(_Base::find(__x), this); }
 218
 219       using _Base::count;
 220
 221       iterator
 222       lower_bound(const key_type& __x)
 223       { return iterator(_Base::lower_bound(__x), this); }
 224
 225       // _GLIBCXX_RESOLVE_LIB_DEFECTS
 226       // 214. set::find() missing const overload
 227       const_iterator
 228       lower_bound(const key_type& __x) const
 229       { return const_iterator(_Base::lower_bound(__x), this); }
 230
 231       iterator
 232       upper_bound(const key_type& __x)
 233       { return iterator(_Base::upper_bound(__x), this); }
 234
 235       // _GLIBCXX_RESOLVE_LIB_DEFECTS
 236       // 214. set::find() missing const overload
 237       const_iterator
 238       upper_bound(const key_type& __x) const
 239       { return const_iterator(_Base::upper_bound(__x), this); }
 240
 241       std::pair<iterator,iterator>
 242       equal_range(const key_type& __x)
 243       {
 244         typedef typename _Base::iterator _Base_iterator;
 245         std::pair<_Base_iterator, _Base_iterator> __res =
 246         _Base::equal_range(__x);
 247         return std::make_pair(iterator(__res.first, this),
 248                               iterator(__res.second, this));
 249       }
 250
 251       // _GLIBCXX_RESOLVE_LIB_DEFECTS
 252       // 214. set::find() missing const overload
 253       std::pair<const_iterator,const_iterator>
 254       equal_range(const key_type& __x) const
 255       {
 256         typedef typename _Base::const_iterator _Base_iterator;
 257         std::pair<_Base_iterator, _Base_iterator> __res =
 258         _Base::equal_range(__x);
 259         return std::make_pair(const_iterator(__res.first, this),
 260                               const_iterator(__res.second, this));
 261       }
 262
 263       _Base&
 264       _M_base() { return *this; }
 265
 266       const _Base&
 267       _M_base() const { return *this; }
 268
 269     private:
 270       void
 271       _M_invalidate_all()
 272       {
 273         typedef typename _Base::const_iterator _Base_const_iterator;
 274         typedef __gnu_debug::_Not_equal_to<_Base_const_iterator> _Not_equal;
 275         this->_M_invalidate_if(_Not_equal(_M_base().end()));
 276       }
 277     };
 278
 279   template<typename _Key, typename _Compare, typename _Allocator>
 280     inline bool
 281     operator==(const multiset<_Key,_Compare,_Allocator>& __lhs,
 282                const multiset<_Key,_Compare,_Allocator>& __rhs)
 283     { return __lhs._M_base() == __rhs._M_base(); }
 284
 285   template<typename _Key, typename _Compare, typename _Allocator>
 286     inline bool
 287     operator!=(const multiset<_Key,_Compare,_Allocator>& __lhs,
 288                const multiset<_Key,_Compare,_Allocator>& __rhs)
 289     { return __lhs._M_base() != __rhs._M_base(); }
 290
 291   template<typename _Key, typename _Compare, typename _Allocator>
 292     inline bool
 293     operator<(const multiset<_Key,_Compare,_Allocator>& __lhs,
 294               const multiset<_Key,_Compare,_Allocator>& __rhs)
 295     { return __lhs._M_base() < __rhs._M_base(); }
 296
 297   template<typename _Key, typename _Compare, typename _Allocator>
 298     inline bool
 299     operator<=(const multiset<_Key,_Compare,_Allocator>& __lhs,
 300                const multiset<_Key,_Compare,_Allocator>& __rhs)
 301     { return __lhs._M_base() <= __rhs._M_base(); }
 302
 303   template<typename _Key, typename _Compare, typename _Allocator>
 304     inline bool
 305     operator>=(const multiset<_Key,_Compare,_Allocator>& __lhs,
 306                const multiset<_Key,_Compare,_Allocator>& __rhs)
 307     { return __lhs._M_base() >= __rhs._M_base(); }
 308
 309   template<typename _Key, typename _Compare, typename _Allocator>
 310     inline bool
 311     operator>(const multiset<_Key,_Compare,_Allocator>& __lhs,
 312               const multiset<_Key,_Compare,_Allocator>& __rhs)
 313     { return __lhs._M_base() > __rhs._M_base(); }
 314
 315   template<typename _Key, typename _Compare, typename _Allocator>
 316     void
 317     swap(multiset<_Key,_Compare,_Allocator>& __x,
 318          multiset<_Key,_Compare,_Allocator>& __y)
 319     { return __x.swap(__y); }
 320 } // namespace __gnu_debug_def
 321 } // namespace std
 322
 323 #endif