gnu/dist/gcc4/libstdc++-v3/include/debug/hash_multimap.h

   1 // Debugging hash_multimap 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, 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_MULTIMAP_H
  32 #define _GLIBCXX_DEBUG_HASH_MULTIMAP_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, typename _Tp,
  40            typename _HashFcn  = __gnu_cxx::hash<_Value>,
  41            typename _EqualKey = std::equal_to<_Value>,
  42            typename _Alloc =  std::allocator<_Value> >
  43     class hash_multimap
  44     : public __gnu_cxx::hash_multimap<_Value,_Tp,_HashFcn, _EqualKey,_Alloc>,
  45       public __gnu_debug::_Safe_sequence<hash_multimap<_Value, _Tp, _HashFcn,
  46                                                        _EqualKey, _Alloc> >
  47     {
  48       typedef __gnu_cxx::hash_multimap<_Value,_Tp,_HashFcn, _EqualKey,_Alloc>
  49                                                         _Base;
  50       typedef __gnu_debug::_Safe_sequence<hash_multimap> _Safe_base;
  51
  52   public:
  53       typedef typename _Base::key_type                  key_type;
  54       typedef typename _Base::data_type                 data_type;
  55       typedef typename _Base::mapped_type               mapped_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_multimap> iterator;
  68       typedef __gnu_debug::_Safe_iterator<typename _Base::const_iterator,
  69                                           hash_multimap> 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_multimap() { }
  78
  79       explicit hash_multimap(size_type __n) : _Base(__n) { }
  80
  81       hash_multimap(size_type __n, const hasher& __hf) : _Base(__n, __hf) { }
  82
  83       hash_multimap(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       template<typename _InputIterator>
  88         hash_multimap(_InputIterator __f, _InputIterator __l)
  89         : _Base(__gnu_debug::__check_valid_range(__f, __l), __l) { }
  90
  91       template<typename _InputIterator>
  92         hash_multimap(_InputIterator __f, _InputIterator __l, size_type __n)
  93         : _Base(__gnu_debug::__check_valid_range(__f, __l), __l, __n) { }
  94
  95       template<typename _InputIterator>
  96         hash_multimap(_InputIterator __f, _InputIterator __l, size_type __n,
  97                       const hasher& __hf)
  98         : _Base(__gnu_debug::__check_valid_range(__f, __l), __l, __n, __hf) { }
  99
 100       template<typename _InputIterator>
 101         hash_multimap(_InputIterator __f, _InputIterator __l, size_type __n,
 102                       const hasher& __hf, const key_equal& __eql,
 103                       const allocator_type& __a = allocator_type())
 104         : _Base(__gnu_debug::__check_valid_range(__f, __l), __l, __n, __hf,
 105                 __eql, __a) { }
 106
 107       using _Base::size;
 108       using _Base::max_size;
 109       using _Base::empty;
 110
 111       void
 112       swap(hash_multimap& __x)
 113       {
 114         _Base::swap(__x);
 115         this->_M_swap(__x);
 116       }
 117
 118       iterator
 119       begin() { return iterator(_Base::begin(), this); }
 120
 121       iterator
 122       end()   { return iterator(_Base::end(),   this); }
 123
 124       const_iterator
 125       begin() const
 126       { return const_iterator(_Base::begin(), this); }
 127
 128       const_iterator
 129       end() const
 130       { return const_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       iterator
 145       insert_noresize(const value_type& __obj)
 146       { return iterator(_Base::insert_noresize(__obj), this); }
 147
 148       iterator
 149       find(const key_type& __key)
 150       { return iterator(_Base::find(__key), this); }
 151
 152       const_iterator
 153       find(const key_type& __key) const
 154       { return const_iterator(_Base::find(__key), this); }
 155
 156       using _Base::count;
 157
 158       std::pair<iterator, iterator>
 159       equal_range(const key_type& __key)
 160       {
 161         typedef typename _Base::iterator _Base_iterator;
 162         std::pair<_Base_iterator, _Base_iterator> __res =
 163                                                      _Base::equal_range(__key);
 164         return std::make_pair(iterator(__res.first, this),
 165                               iterator(__res.second, this));
 166       }
 167
 168       std::pair<const_iterator, const_iterator>
 169       equal_range(const key_type& __key) const
 170       {
 171         typedef typename _Base::const_iterator _Base_iterator;
 172         std::pair<_Base_iterator, _Base_iterator> __res =
 173         _Base::equal_range(__key);
 174         return std::make_pair(const_iterator(__res.first, this),
 175                               const_iterator(__res.second, this));
 176       }
 177
 178       size_type
 179       erase(const key_type& __key)
 180       {
 181         std::pair<iterator, iterator> __victims = this->equal_range(__key);
 182         size_t __num_victims = 0;
 183         while (__victims.first != __victims.second)
 184         {
 185           this->erase(__victims.first++);
 186           ++__num_victims;
 187         }
 188         return __num_victims;
 189       }
 190
 191       void
 192       erase(iterator __it)
 193       {
 194         __glibcxx_check_erase(__it);
 195         __it._M_invalidate();
 196         _Base::erase(__it.base());
 197       }
 198
 199       void
 200       erase(iterator __first, iterator __last)
 201       {
 202         __glibcxx_check_erase_range(__first, __last);
 203         for (iterator __tmp = __first; __tmp != __last;)
 204         {
 205           iterator __victim = __tmp++;
 206           __victim._M_invalidate();
 207         }
 208         _Base::erase(__first.base(), __last.base());
 209       }
 210
 211       void
 212       clear()
 213       {
 214         _Base::clear();
 215         this->_M_invalidate_all();
 216       }
 217
 218       using _Base::resize;
 219       using _Base::bucket_count;
 220       using _Base::max_bucket_count;
 221       using _Base::elems_in_bucket;
 222
 223       _Base&
 224       _M_base()       { return *this; }
 225
 226       const _Base&
 227       _M_base() const { return *this; }
 228
 229     private:
 230       void
 231       _M_invalidate_all()
 232       {
 233         typedef typename _Base::const_iterator _Base_const_iterator;
 234         typedef __gnu_debug::_Not_equal_to<_Base_const_iterator> _Not_equal;
 235         this->_M_invalidate_if(_Not_equal(_M_base().end()));
 236       }
 237     };
 238
 239   template<typename _Value, typename _Tp, typename _HashFcn,
 240            typename _EqualKey, typename _Alloc>
 241     inline bool
 242     operator==(const hash_multimap<_Value,_Tp,_HashFcn,_EqualKey,_Alloc>& __x,
 243                const hash_multimap<_Value,_Tp,_HashFcn,_EqualKey,_Alloc>& __y)
 244     { return __x._M_base() == __y._M_base(); }
 245
 246   template<typename _Value, typename _Tp, typename _HashFcn,
 247            typename _EqualKey, typename _Alloc>
 248     inline bool
 249     operator!=(const hash_multimap<_Value,_Tp,_HashFcn,_EqualKey,_Alloc>& __x,
 250                const hash_multimap<_Value,_Tp,_HashFcn,_EqualKey,_Alloc>& __y)
 251     { return __x._M_base() != __y._M_base(); }
 252
 253   template<typename _Value, typename _Tp, typename _HashFcn,
 254            typename _EqualKey, typename _Alloc>
 255     inline void
 256     swap(hash_multimap<_Value, _Tp, _HashFcn, _EqualKey, _Alloc>& __x,
 257          hash_multimap<_Value, _Tp, _HashFcn, _EqualKey, _Alloc>& __y)
 258     { __x.swap(__y); }
 259 } // namespace __gnu_debug_def
 260
 261 #endif