# hash_multiset.h

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    00001 // Debugging hash_multiset implementation -*- C++ -*-
    00002
    00003 // Copyright (C) 2003, 2005, 2006
    00004 // Free Software Foundation, Inc.
    00005 //
    00006 // This file is part of the GNU ISO C++ Library.  This library is free
    00007 // software; you can redistribute it and/or modify it under the
    00008 // terms of the GNU General Public License as published by the
    00009 // Free Software Foundation; either version 2, or (at your option)
    00010 // any later version.
    00011
    00012 // This library is distributed in the hope that it will be useful,
    00013 // but WITHOUT ANY WARRANTY; without even the implied warranty of
    00014 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    00015 // GNU General Public License for more details.
    00016
    00017 // You should have received a copy of the GNU General Public License along
    00018 // with this library; see the file COPYING.  If not, write to the Free
    00019 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
    00020 // USA.
    00021
    00022 // As a special exception, you may use this file as part of a free software
    00023 // library without restriction.  Specifically, if other files instantiate
    00024 // templates or use macros or inline functions from this file, or you compile
    00025 // this file and link it with other files to produce an executable, this
    00026 // file does not by itself cause the resulting executable to be covered by
    00027 // the GNU General Public License.  This exception does not however
    00028 // invalidate any other reasons why the executable file might be covered by
    00029 // the GNU General Public License.
    00030
    00031 /** @file debug/hash_multiset.h
    00032  *  This file is a GNU debug extension to the Standard C++ Library.
    00033  */
    00034
    00035 #ifndef _GLIBCXX_DEBUG_HASH_MULTISET_H
    00036 #define _GLIBCXX_DEBUG_HASH_MULTISET_H 1
    00037
    00038 #include <debug/safe_sequence.h>
    00039 #include <debug/safe_iterator.h>
    00040
    00041 namespace __gnu_cxx
    00042 {
    00043 namespace __debug
    00044 {
    00045   template<typename _Value,
    00046        typename _HashFcn  = __gnu_cxx::hash<_Value>,
    00047        typename _EqualKey = std::equal_to<_Value>,
    00048        typename _Alloc =  std::allocator<_Value> >
    00049     class hash_multiset
    00050     : public _GLIBCXX_EXT::hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>,
    00051       public __gnu_debug::_Safe_sequence<hash_multiset<_Value, _HashFcn,
    00052                                _EqualKey, _Alloc> >
    00053     {
    00054       typedef _GLIBCXX_EXT:: hash_multiset<_Value,_HashFcn, _EqualKey,_Alloc>
    00055                             _Base;
    00056       typedef __gnu_debug::_Safe_sequence<hash_multiset> _Safe_base;
    00057
    00058   public:
    00059     typedef typename _Base::key_type            key_type;
    00060     typedef typename _Base::value_type          value_type;
    00061     typedef typename _Base::hasher          hasher;
    00062     typedef typename _Base::key_equal           key_equal;
    00063     typedef typename _Base::size_type           size_type;
    00064     typedef typename _Base::difference_type     difference_type;
    00065     typedef typename _Base::pointer         pointer;
    00066     typedef typename _Base::const_pointer       const_pointer;
    00067     typedef typename _Base::reference           reference;
    00068     typedef typename _Base::const_reference     const_reference;
    00069
    00070     typedef __gnu_debug::_Safe_iterator<typename _Base::iterator,
    00071                      hash_multiset> iterator;
    00072     typedef __gnu_debug::_Safe_iterator<typename _Base::const_iterator,
    00073                      hash_multiset> const_iterator;
    00074
    00075     typedef typename _Base::allocator_type              allocator_type;
    00076
    00077     using _Base::hash_funct;
    00078     using _Base::key_eq;
    00079     using _Base::get_allocator;
    00080
    00081     hash_multiset() { }
    00082
    00083     explicit hash_multiset(size_type __n) : _Base(__n) { }
    00084
    00085     hash_multiset(size_type __n, const hasher& __hf) : _Base(__n, __hf) { }
    00086
    00087     hash_multiset(size_type __n, const hasher& __hf, const key_equal& __eql,
    00088           const allocator_type& __a = allocator_type())
    00089     : _Base(__n, __hf, __eql, __a)
    00090     { }
    00091
    00092     template<typename _InputIterator>
    00093       hash_multiset(_InputIterator __f, _InputIterator __l)
    00094       : _Base(__gnu_debug::__check_valid_range(__f, __l), __l)
    00095       { }
    00096
    00097     template<typename _InputIterator>
    00098       hash_multiset(_InputIterator __f, _InputIterator __l, size_type __n)
    00099       : _Base(__gnu_debug::__check_valid_range(__f, __l), __l, __n)
    00100       { }
    00101
    00102     template<typename _InputIterator>
    00103       hash_multiset(_InputIterator __f, _InputIterator __l, size_type __n,
    00104             const hasher& __hf)
    00105       : _Base(__gnu_debug::__check_valid_range(__f, __l), __l, __n, __hf)
    00106       { }
    00107
    00108     template<typename _InputIterator>
    00109       hash_multiset(_InputIterator __f, _InputIterator __l, size_type __n,
    00110             const hasher& __hf, const key_equal& __eql,
    00111             const allocator_type& __a = allocator_type())
    00112       : _Base(__gnu_debug::__check_valid_range(__f, __l), __l, __n, __hf,
    00113           __eql, __a)
    00114       { }
    00115
    00116     hash_multiset(const _Base& __x) : _Base(__x), _Safe_base() { }
    00117
    00118     using _Base::size;
    00119     using _Base::max_size;
    00120     using _Base::empty;
    00121
    00122     void
    00123     swap(hash_multiset& __x)
    00124     {
    00125       _Base::swap(__x);
    00126       this->_M_swap(__x);
    00127     }
    00128
    00129     iterator begin() const { return iterator(_Base::begin(), this); }
    00130     iterator end() const   { return iterator(_Base::end(),   this); }
    00131
    00132     iterator
    00133     insert(const value_type& __obj)
    00134     { return iterator(_Base::insert(__obj), this); }
    00135
    00136     template <typename _InputIterator>
    00137       void
    00138       insert(_InputIterator __first, _InputIterator __last)
    00139       {
    00140     __glibcxx_check_valid_range(__first, __last);
    00141     _Base::insert(__first.base(), __last.base());
    00142       }
    00143
    00144
    00145     iterator
    00146     insert_noresize(const value_type& __obj)
    00147     { return iterator(_Base::insert_noresize(__obj), this); }
    00148
    00149     iterator
    00150     find(const key_type& __key) const
    00151     { return iterator(_Base::find(__key), this); }
    00152
    00153     using _Base::count;
    00154
    00155     std::pair<iterator, iterator>
    00156     equal_range(const key_type& __key) const
    00157     {
    00158       typedef typename _Base::iterator _Base_iterator;
    00159       std::pair<_Base_iterator, _Base_iterator> __res =
    00160     _Base::equal_range(__key);
    00161       return std::make_pair(iterator(__res.first, this),
    00162                 iterator(__res.second, this));
    00163     }
    00164
    00165     size_type
    00166     erase(const key_type& __key)
    00167     {
    00168       size_type __count = 0;
    00169       std::pair<iterator, iterator> __victims = this->equal_range(__key);
    00170       while (__victims.first != __victims.second)
    00171     {
    00172       this->erase(__victims++);
    00173       ++__count;
    00174     }
    00175       return __count;
    00176     }
    00177
    00178     void
    00179     erase(iterator __it)
    00180     {
    00181       __glibcxx_check_erase(__it);
    00182       __it._M_invalidate();
    00183       _Base::erase(__it.base());
    00184     }
    00185
    00186     void
    00187     erase(iterator __first, iterator __last)
    00188     {
    00189       __glibcxx_check_erase_range(__first, __last);
    00190       for (iterator __tmp = __first; __tmp != __last;)
    00191     {
    00192       iterator __victim = __tmp++;
    00193       __victim._M_invalidate();
    00194     }
    00195       _Base::erase(__first.base(), __last.base());
    00196     }
    00197
    00198     void
    00199     clear()
    00200     {
    00201       _Base::clear();
    00202       this->_M_invalidate_all();
    00203     }
    00204
    00205     using _Base::resize;
    00206     using _Base::bucket_count;
    00207     using _Base::max_bucket_count;
    00208     using _Base::elems_in_bucket;
    00209
    00210     _Base&       _M_base()       { return *this; }
    00211     const _Base& _M_base() const { return *this; }
    00212
    00213   private:
    00214     void
    00215     _M_invalidate_all()
    00216     {
    00217       typedef typename _Base::const_iterator _Base_const_iterator;
    00218       typedef __gnu_debug::_Not_equal_to<_Base_const_iterator> _Not_equal;
    00219       this->_M_invalidate_if(_Not_equal(_M_base().end()));
    00220     }
    00221   };
    00222
    00223 template<typename _Value, typename _HashFcn, typename _EqualKey, typename _Alloc>
    00224   inline bool
    00225   operator==(const hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>& __x,
    00226          const hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>& __y)
    00227   { return __x._M_base() == __y._M_base(); }
    00228
    00229 template<typename _Value, typename _HashFcn, typename _EqualKey, typename _Alloc>
    00230   inline bool
    00231   operator!=(const hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>& __x,
    00232          const hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>& __y)
    00233   { return __x._M_base() != __y._M_base(); }
    00234
    00235 template<typename _Value, typename _HashFcn, typename _EqualKey, typename _Alloc>
    00236   inline void
    00237   swap(hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>& __x,
    00238        hash_multiset<_Value, _HashFcn, _EqualKey, _Alloc>& __y)
    00239   { __x.swap(__y); }
    00240 } // namespace __debug
    00241 } // namespace __gnu_cxx
    00242
    00243 #endif