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 41 namespace __gnu_cxx 42 { 43 namespace __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 hash_multiset()81 hash_multiset() { } 82 hash_multiset(size_type __n)83 explicit hash_multiset(size_type __n) : _Base(__n) { } 84 hash_multiset(size_type __n,const hasher & __hf)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()) _Base(__n,__hf,__eql,__a)89 : _Base(__n, __hf, __eql, __a) 90 { } 91 92 template<typename _InputIterator> hash_multiset(_InputIterator __f,_InputIterator __l)93 hash_multiset(_InputIterator __f, _InputIterator __l) 94 : _Base(__gnu_debug::__check_valid_range(__f, __l), __l) 95 { } 96 97 template<typename _InputIterator> hash_multiset(_InputIterator __f,_InputIterator __l,size_type __n)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> hash_multiset(_InputIterator __f,_InputIterator __l,size_type __n,const hasher & __hf)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()) _Base(__gnu_debug::__check_valid_range (__f,__l),__l,__n,__hf,__eql,__a)112 : _Base(__gnu_debug::__check_valid_range(__f, __l), __l, __n, __hf, 113 __eql, __a) 114 { } 115 hash_multiset(const _Base & __x)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 swap(hash_multiset & __x)123 swap(hash_multiset& __x) 124 { 125 _Base::swap(__x); 126 this->_M_swap(__x); 127 } 128 begin()129 iterator begin() const { return iterator(_Base::begin(), this); } end()130 iterator end() const { return iterator(_Base::end(), this); } 131 132 iterator insert(const value_type & __obj)133 insert(const value_type& __obj) 134 { return iterator(_Base::insert(__obj), this); } 135 136 template <typename _InputIterator> 137 void insert(_InputIterator __first,_InputIterator __last)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 insert_noresize(const value_type & __obj)146 insert_noresize(const value_type& __obj) 147 { return iterator(_Base::insert_noresize(__obj), this); } 148 149 iterator find(const key_type & __key)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> equal_range(const key_type & __key)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 erase(const key_type & __key)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 erase(iterator __it)179 erase(iterator __it) 180 { 181 __glibcxx_check_erase(__it); 182 __it._M_invalidate(); 183 _Base::erase(__it.base()); 184 } 185 186 void erase(iterator __first,iterator __last)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 clear()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 _M_base()210 _Base& _M_base() { return *this; } _M_base()211 const _Base& _M_base() const { return *this; } 212 213 private: 214 void _M_invalidate_all()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 }; 222 223 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 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(); } 234 235 template<typename _Value, typename _HashFcn, typename _EqualKey, typename _Alloc> 236 inline void swap(hash_multiset<_Value,_HashFcn,_EqualKey,_Alloc> & __x,hash_multiset<_Value,_HashFcn,_EqualKey,_Alloc> & __y)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