269 lines
8.6 KiB
C++
269 lines
8.6 KiB
C++
// Debugging hash_multimap implementation -*- C++ -*-
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// Copyright (C) 2003, 2005, 2006
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// Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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// USA.
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// As a special exception, you may use this file as part of a free software
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// library without restriction. Specifically, if other files instantiate
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// templates or use macros or inline functions from this file, or you compile
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// this file and link it with other files to produce an executable, this
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// file does not by itself cause the resulting executable to be covered by
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// the GNU General Public License. This exception does not however
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// invalidate any other reasons why the executable file might be covered by
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// the GNU General Public License.
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/** @file debug/hash_multimap.h
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* This file is a GNU debug extension to the Standard C++ Library.
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*/
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#ifndef _GLIBCXX_DEBUG_HASH_MULTIMAP_H
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#define _GLIBCXX_DEBUG_HASH_MULTIMAP_H 1
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#include <debug/safe_sequence.h>
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#include <debug/safe_iterator.h>
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namespace __gnu_cxx
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{
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namespace __debug
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{
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template<typename _Value, typename _Tp,
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typename _HashFcn = __gnu_cxx::hash<_Value>,
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typename _EqualKey = std::equal_to<_Value>,
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typename _Alloc = std::allocator<_Value> >
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class hash_multimap
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: public _GLIBCXX_EXT::hash_multimap<_Value,_Tp,_HashFcn,_EqualKey,_Alloc>,
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public __gnu_debug::_Safe_sequence<hash_multimap<_Value, _Tp, _HashFcn,
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_EqualKey, _Alloc> >
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{
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typedef _GLIBCXX_EXT::hash_multimap<_Value,_Tp,_HashFcn,_EqualKey,_Alloc>
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_Base;
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typedef __gnu_debug::_Safe_sequence<hash_multimap> _Safe_base;
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public:
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typedef typename _Base::key_type key_type;
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typedef typename _Base::data_type data_type;
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typedef typename _Base::mapped_type mapped_type;
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typedef typename _Base::value_type value_type;
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typedef typename _Base::hasher hasher;
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typedef typename _Base::key_equal key_equal;
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typedef typename _Base::size_type size_type;
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typedef typename _Base::difference_type difference_type;
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typedef typename _Base::pointer pointer;
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typedef typename _Base::const_pointer const_pointer;
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typedef typename _Base::reference reference;
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typedef typename _Base::const_reference const_reference;
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typedef __gnu_debug::_Safe_iterator<typename _Base::iterator,
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hash_multimap> iterator;
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typedef __gnu_debug::_Safe_iterator<typename _Base::const_iterator,
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hash_multimap> const_iterator;
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typedef typename _Base::allocator_type allocator_type;
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using _Base::hash_funct;
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using _Base::key_eq;
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using _Base::get_allocator;
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hash_multimap() { }
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explicit hash_multimap(size_type __n) : _Base(__n) { }
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hash_multimap(size_type __n, const hasher& __hf) : _Base(__n, __hf) { }
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hash_multimap(size_type __n, const hasher& __hf, const key_equal& __eql,
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const allocator_type& __a = allocator_type())
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: _Base(__n, __hf, __eql, __a) { }
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template<typename _InputIterator>
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hash_multimap(_InputIterator __f, _InputIterator __l)
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: _Base(__gnu_debug::__check_valid_range(__f, __l), __l) { }
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template<typename _InputIterator>
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hash_multimap(_InputIterator __f, _InputIterator __l, size_type __n)
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: _Base(__gnu_debug::__check_valid_range(__f, __l), __l, __n) { }
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template<typename _InputIterator>
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hash_multimap(_InputIterator __f, _InputIterator __l, size_type __n,
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const hasher& __hf)
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: _Base(__gnu_debug::__check_valid_range(__f, __l), __l, __n, __hf) { }
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template<typename _InputIterator>
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hash_multimap(_InputIterator __f, _InputIterator __l, size_type __n,
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const hasher& __hf, const key_equal& __eql,
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const allocator_type& __a = allocator_type())
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: _Base(__gnu_debug::__check_valid_range(__f, __l), __l, __n, __hf,
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__eql, __a) { }
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using _Base::size;
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using _Base::max_size;
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using _Base::empty;
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void
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swap(hash_multimap& __x)
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{
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_Base::swap(__x);
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this->_M_swap(__x);
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}
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iterator
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begin() { return iterator(_Base::begin(), this); }
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iterator
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end() { return iterator(_Base::end(), this); }
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const_iterator
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begin() const
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{ return const_iterator(_Base::begin(), this); }
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const_iterator
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end() const
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{ return const_iterator(_Base::end(), this); }
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iterator
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insert(const value_type& __obj)
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{ return iterator(_Base::insert(__obj), this); }
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template <typename _InputIterator>
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void
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insert(_InputIterator __first, _InputIterator __last)
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{
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__glibcxx_check_valid_range(__first, __last);
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_Base::insert(__first.base(), __last.base());
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}
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iterator
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insert_noresize(const value_type& __obj)
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{ return iterator(_Base::insert_noresize(__obj), this); }
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iterator
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find(const key_type& __key)
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{ return iterator(_Base::find(__key), this); }
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const_iterator
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find(const key_type& __key) const
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{ return const_iterator(_Base::find(__key), this); }
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using _Base::count;
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std::pair<iterator, iterator>
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equal_range(const key_type& __key)
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{
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typedef typename _Base::iterator _Base_iterator;
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std::pair<_Base_iterator, _Base_iterator> __res =
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_Base::equal_range(__key);
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return std::make_pair(iterator(__res.first, this),
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iterator(__res.second, this));
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}
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std::pair<const_iterator, const_iterator>
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equal_range(const key_type& __key) const
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{
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typedef typename _Base::const_iterator _Base_iterator;
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std::pair<_Base_iterator, _Base_iterator> __res =
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_Base::equal_range(__key);
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return std::make_pair(const_iterator(__res.first, this),
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const_iterator(__res.second, this));
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}
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size_type
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erase(const key_type& __key)
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{
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std::pair<iterator, iterator> __victims = this->equal_range(__key);
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std::size_t __num_victims = 0;
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while (__victims.first != __victims.second)
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{
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this->erase(__victims.first++);
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++__num_victims;
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}
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return __num_victims;
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}
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void
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erase(iterator __it)
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{
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__glibcxx_check_erase(__it);
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__it._M_invalidate();
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_Base::erase(__it.base());
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}
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void
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erase(iterator __first, iterator __last)
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{
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__glibcxx_check_erase_range(__first, __last);
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for (iterator __tmp = __first; __tmp != __last;)
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{
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iterator __victim = __tmp++;
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__victim._M_invalidate();
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}
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_Base::erase(__first.base(), __last.base());
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}
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void
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clear()
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{
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_Base::clear();
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this->_M_invalidate_all();
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}
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using _Base::resize;
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using _Base::bucket_count;
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using _Base::max_bucket_count;
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using _Base::elems_in_bucket;
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_Base&
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_M_base() { return *this; }
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const _Base&
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_M_base() const { return *this; }
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private:
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void
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_M_invalidate_all()
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{
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typedef typename _Base::const_iterator _Base_const_iterator;
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typedef __gnu_debug::_Not_equal_to<_Base_const_iterator> _Not_equal;
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this->_M_invalidate_if(_Not_equal(_M_base().end()));
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}
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};
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template<typename _Value, typename _Tp, typename _HashFcn,
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typename _EqualKey, typename _Alloc>
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inline bool
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operator==(const hash_multimap<_Value,_Tp,_HashFcn,_EqualKey,_Alloc>& __x,
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const hash_multimap<_Value,_Tp,_HashFcn,_EqualKey,_Alloc>& __y)
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{ return __x._M_base() == __y._M_base(); }
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template<typename _Value, typename _Tp, typename _HashFcn,
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typename _EqualKey, typename _Alloc>
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inline bool
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operator!=(const hash_multimap<_Value,_Tp,_HashFcn,_EqualKey,_Alloc>& __x,
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const hash_multimap<_Value,_Tp,_HashFcn,_EqualKey,_Alloc>& __y)
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{ return __x._M_base() != __y._M_base(); }
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template<typename _Value, typename _Tp, typename _HashFcn,
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typename _EqualKey, typename _Alloc>
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inline void
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swap(hash_multimap<_Value, _Tp, _HashFcn, _EqualKey, _Alloc>& __x,
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hash_multimap<_Value, _Tp, _HashFcn, _EqualKey, _Alloc>& __y)
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{ __x.swap(__y); }
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} // namespace __debug
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} // namespace __gnu_cxx
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#endif
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