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2002-01-28 Phil Edwards <pme@gcc.gnu.org> * Makefile.am (doxygen, doxygen-maint, doxygen-man): Tweak targets. * Makefile.in: Regenerate. * docs/doxygen/run_doxygen: Update, mostly for man pages. * docs/doxygen/Intro.3: Update. * docs/doxygen/TODO: Update. * docs/doxygen/doxygroups.cc: Add namespace hook for __gnu_cxx. * docs/doxygen/mainpage.doxy: Update. * docs/doxygen/user.cfg.in: Update for header rename. Also regenerate comments and variables with 1.2.12. * docs/doxygen/maint.cfg.in: Remove file. * include/bits/stl_relops.h: Doxygenate. * include/bits/stl_tempbuf.h (std::_Temporary_buffer): Likewise. * include/c_std/std_cassert.h, include/c_std/std_cctype.h, include/c_std/std_cerrno.h, include/c_std/std_cfloat.h, include/c_std/std_ciso646.h, include/c_std/std_climits.h, include/c_std/std_clocale.h, include/c_std/std_cmath.h, include/c_std/std_csetjmp.h, include/c_std/std_csignal.h, include/c_std/std_cstdarg.h, include/c_std/std_cstddef.h, include/c_std/std_cstdio.h, include/c_std/std_cstdlib.h, include/c_std/std_cstring.h, include/c_std/std_ctime.h, include/c_std/std_cwchar.h, include/c_std/std_cwctype.h, include/ext/algorithm, include/ext/functional, include/ext/hash_map, include/ext/hash_set, include/ext/iterator, include/ext/memory, include/ext/numeric, include/ext/rb_tree, include/ext/rope, include/ext/ropeimpl.h, include/ext/slist, include/ext/stl_hash_fun.h, include/ext/stl_hashtable.h, include/ext/stl_rope.h, include/std/std_algorithm.h, include/std/std_bitset.h, include/std/std_complex.h, include/std/std_deque.h, include/std/std_fstream.h, include/std/std_functional.h, include/std/std_iomanip.h, include/std/std_ios.h, include/std/std_iosfwd.h, include/std/std_iostream.h, include/std/std_istream.h, include/std/std_iterator.h, include/std/std_limits.h, include/std/std_list.h, include/std/std_locale.h, include/std/std_map.h, include/std/std_memory.h, include/std/std_numeric.h, include/std/std_ostream.h, include/std/std_queue.h, include/std/std_set.h, include/std/std_sstream.h, include/std/std_stack.h, include/std/std_stdexcept.h, include/std/std_streambuf.h, include/std/std_string.h, include/std/std_utility.h, include/std/std_valarray.h, include/std/std_vector.h: Add/correct @file doxygen hook. * include/ext/memory: Doxygenate most of rest of file. * libsupc++/exception: Doxygen output formatting. * libsupc++/new: Say which header it is. * testsuite/lib/libstdc++-v3-dg.exp: Fix spacing. * docs/html/19_diagnostics/howto.html: Describe concept-checks switch. * docs/html/23_containers/howto.html: Describe O(n) list::size(). * docs/html/27_io/howto.html: Also link to Langer and Kreft text. From-SVN: r49300
446 lines
17 KiB
C++
446 lines
17 KiB
C++
// Hashing map implementation -*- C++ -*-
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// Copyright (C) 2001, 2002 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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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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/*
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* Copyright (c) 1996
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* Silicon Graphics Computer Systems, Inc.
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*
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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation. Silicon Graphics makes no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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*
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* Copyright (c) 1994
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* Hewlett-Packard Company
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*
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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation. Hewlett-Packard Company makes no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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*/
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/** @file ext/hash_map
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* This file is a GNU extension to the Standard C++ Library (possibly
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* containing extensions from the HP/SGI STL subset). You should only
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* include this header if you are using GCC 3 or later.
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*/
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#ifndef __SGI_STL_INTERNAL_HASH_MAP_H
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#define __SGI_STL_INTERNAL_HASH_MAP_H
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#include <ext/stl_hashtable.h>
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#include <bits/concept_check.h>
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namespace __gnu_cxx
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{
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using std::equal_to;
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using std::allocator;
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using std::pair;
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using std::_Select1st;
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// Forward declaration of equality operator; needed for friend declaration.
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template <class _Key, class _Tp,
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class _HashFcn = hash<_Key>,
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class _EqualKey = equal_to<_Key>,
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class _Alloc = allocator<_Tp> >
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class hash_map;
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template <class _Key, class _Tp, class _HashFn, class _EqKey, class _Alloc>
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inline bool operator==(const hash_map<_Key, _Tp, _HashFn, _EqKey, _Alloc>&,
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const hash_map<_Key, _Tp, _HashFn, _EqKey, _Alloc>&);
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template <class _Key, class _Tp, class _HashFcn, class _EqualKey,
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class _Alloc>
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class hash_map
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{
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private:
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typedef hashtable<pair<const _Key,_Tp>,_Key,_HashFcn,
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_Select1st<pair<const _Key,_Tp> >,_EqualKey,_Alloc> _Ht;
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_Ht _M_ht;
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public:
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typedef typename _Ht::key_type key_type;
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typedef _Tp data_type;
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typedef _Tp mapped_type;
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typedef typename _Ht::value_type value_type;
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typedef typename _Ht::hasher hasher;
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typedef typename _Ht::key_equal key_equal;
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typedef typename _Ht::size_type size_type;
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typedef typename _Ht::difference_type difference_type;
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typedef typename _Ht::pointer pointer;
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typedef typename _Ht::const_pointer const_pointer;
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typedef typename _Ht::reference reference;
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typedef typename _Ht::const_reference const_reference;
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typedef typename _Ht::iterator iterator;
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typedef typename _Ht::const_iterator const_iterator;
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typedef typename _Ht::allocator_type allocator_type;
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hasher hash_funct() const { return _M_ht.hash_funct(); }
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key_equal key_eq() const { return _M_ht.key_eq(); }
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allocator_type get_allocator() const { return _M_ht.get_allocator(); }
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public:
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hash_map() : _M_ht(100, hasher(), key_equal(), allocator_type()) {}
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explicit hash_map(size_type __n)
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: _M_ht(__n, hasher(), key_equal(), allocator_type()) {}
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hash_map(size_type __n, const hasher& __hf)
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: _M_ht(__n, __hf, key_equal(), allocator_type()) {}
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hash_map(size_type __n, const hasher& __hf, const key_equal& __eql,
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const allocator_type& __a = allocator_type())
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: _M_ht(__n, __hf, __eql, __a) {}
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template <class _InputIterator>
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hash_map(_InputIterator __f, _InputIterator __l)
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: _M_ht(100, hasher(), key_equal(), allocator_type())
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{ _M_ht.insert_unique(__f, __l); }
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template <class _InputIterator>
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hash_map(_InputIterator __f, _InputIterator __l, size_type __n)
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: _M_ht(__n, hasher(), key_equal(), allocator_type())
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{ _M_ht.insert_unique(__f, __l); }
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template <class _InputIterator>
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hash_map(_InputIterator __f, _InputIterator __l, size_type __n,
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const hasher& __hf)
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: _M_ht(__n, __hf, key_equal(), allocator_type())
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{ _M_ht.insert_unique(__f, __l); }
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template <class _InputIterator>
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hash_map(_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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: _M_ht(__n, __hf, __eql, __a)
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{ _M_ht.insert_unique(__f, __l); }
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public:
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size_type size() const { return _M_ht.size(); }
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size_type max_size() const { return _M_ht.max_size(); }
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bool empty() const { return _M_ht.empty(); }
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void swap(hash_map& __hs) { _M_ht.swap(__hs._M_ht); }
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template <class _K1, class _T1, class _HF, class _EqK, class _Al>
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friend bool operator== (const hash_map<_K1, _T1, _HF, _EqK, _Al>&,
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const hash_map<_K1, _T1, _HF, _EqK, _Al>&);
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iterator begin() { return _M_ht.begin(); }
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iterator end() { return _M_ht.end(); }
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const_iterator begin() const { return _M_ht.begin(); }
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const_iterator end() const { return _M_ht.end(); }
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public:
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pair<iterator,bool> insert(const value_type& __obj)
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{ return _M_ht.insert_unique(__obj); }
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template <class _InputIterator>
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void insert(_InputIterator __f, _InputIterator __l)
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{ _M_ht.insert_unique(__f,__l); }
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pair<iterator,bool> insert_noresize(const value_type& __obj)
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{ return _M_ht.insert_unique_noresize(__obj); }
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iterator find(const key_type& __key) { return _M_ht.find(__key); }
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const_iterator find(const key_type& __key) const
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{ return _M_ht.find(__key); }
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_Tp& operator[](const key_type& __key) {
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return _M_ht.find_or_insert(value_type(__key, _Tp())).second;
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}
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size_type count(const key_type& __key) const { return _M_ht.count(__key); }
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pair<iterator, iterator> equal_range(const key_type& __key)
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{ return _M_ht.equal_range(__key); }
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pair<const_iterator, const_iterator>
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equal_range(const key_type& __key) const
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{ return _M_ht.equal_range(__key); }
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size_type erase(const key_type& __key) {return _M_ht.erase(__key); }
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void erase(iterator __it) { _M_ht.erase(__it); }
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void erase(iterator __f, iterator __l) { _M_ht.erase(__f, __l); }
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void clear() { _M_ht.clear(); }
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void resize(size_type __hint) { _M_ht.resize(__hint); }
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size_type bucket_count() const { return _M_ht.bucket_count(); }
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size_type max_bucket_count() const { return _M_ht.max_bucket_count(); }
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size_type elems_in_bucket(size_type __n) const
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{ return _M_ht.elems_in_bucket(__n); }
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};
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template <class _Key, class _Tp, class _HashFcn, class _EqlKey, class _Alloc>
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inline bool
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operator==(const hash_map<_Key,_Tp,_HashFcn,_EqlKey,_Alloc>& __hm1,
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const hash_map<_Key,_Tp,_HashFcn,_EqlKey,_Alloc>& __hm2)
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{
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return __hm1._M_ht == __hm2._M_ht;
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}
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template <class _Key, class _Tp, class _HashFcn, class _EqlKey, class _Alloc>
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inline bool
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operator!=(const hash_map<_Key,_Tp,_HashFcn,_EqlKey,_Alloc>& __hm1,
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const hash_map<_Key,_Tp,_HashFcn,_EqlKey,_Alloc>& __hm2) {
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return !(__hm1 == __hm2);
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}
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template <class _Key, class _Tp, class _HashFcn, class _EqlKey, class _Alloc>
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inline void
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swap(hash_map<_Key,_Tp,_HashFcn,_EqlKey,_Alloc>& __hm1,
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hash_map<_Key,_Tp,_HashFcn,_EqlKey,_Alloc>& __hm2)
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{
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__hm1.swap(__hm2);
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}
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// Forward declaration of equality operator; needed for friend declaration.
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template <class _Key, class _Tp,
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class _HashFcn = hash<_Key>,
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class _EqualKey = equal_to<_Key>,
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class _Alloc = allocator<_Tp> >
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class hash_multimap;
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template <class _Key, class _Tp, class _HF, class _EqKey, class _Alloc>
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inline bool
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operator==(const hash_multimap<_Key,_Tp,_HF,_EqKey,_Alloc>& __hm1,
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const hash_multimap<_Key,_Tp,_HF,_EqKey,_Alloc>& __hm2);
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template <class _Key, class _Tp, class _HashFcn, class _EqualKey, class _Alloc>
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class hash_multimap
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{
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// concept requirements
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__glibcpp_class_requires(_Key, _SGIAssignableConcept)
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__glibcpp_class_requires(_Tp, _SGIAssignableConcept)
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__glibcpp_class_requires3(_HashFcn, size_t, _Key, _UnaryFunctionConcept);
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__glibcpp_class_requires3(_EqualKey, _Key, _Key, _BinaryPredicateConcept);
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private:
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typedef hashtable<pair<const _Key, _Tp>, _Key, _HashFcn,
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_Select1st<pair<const _Key, _Tp> >, _EqualKey, _Alloc>
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_Ht;
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_Ht _M_ht;
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public:
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typedef typename _Ht::key_type key_type;
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typedef _Tp data_type;
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typedef _Tp mapped_type;
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typedef typename _Ht::value_type value_type;
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typedef typename _Ht::hasher hasher;
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typedef typename _Ht::key_equal key_equal;
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typedef typename _Ht::size_type size_type;
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typedef typename _Ht::difference_type difference_type;
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typedef typename _Ht::pointer pointer;
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typedef typename _Ht::const_pointer const_pointer;
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typedef typename _Ht::reference reference;
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typedef typename _Ht::const_reference const_reference;
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typedef typename _Ht::iterator iterator;
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typedef typename _Ht::const_iterator const_iterator;
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typedef typename _Ht::allocator_type allocator_type;
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hasher hash_funct() const { return _M_ht.hash_funct(); }
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key_equal key_eq() const { return _M_ht.key_eq(); }
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allocator_type get_allocator() const { return _M_ht.get_allocator(); }
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public:
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hash_multimap() : _M_ht(100, hasher(), key_equal(), allocator_type()) {}
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explicit hash_multimap(size_type __n)
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: _M_ht(__n, hasher(), key_equal(), allocator_type()) {}
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hash_multimap(size_type __n, const hasher& __hf)
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: _M_ht(__n, __hf, key_equal(), allocator_type()) {}
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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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: _M_ht(__n, __hf, __eql, __a) {}
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template <class _InputIterator>
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hash_multimap(_InputIterator __f, _InputIterator __l)
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: _M_ht(100, hasher(), key_equal(), allocator_type())
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{ _M_ht.insert_equal(__f, __l); }
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template <class _InputIterator>
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hash_multimap(_InputIterator __f, _InputIterator __l, size_type __n)
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: _M_ht(__n, hasher(), key_equal(), allocator_type())
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{ _M_ht.insert_equal(__f, __l); }
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template <class _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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: _M_ht(__n, __hf, key_equal(), allocator_type())
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{ _M_ht.insert_equal(__f, __l); }
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template <class _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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: _M_ht(__n, __hf, __eql, __a)
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{ _M_ht.insert_equal(__f, __l); }
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public:
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size_type size() const { return _M_ht.size(); }
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size_type max_size() const { return _M_ht.max_size(); }
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bool empty() const { return _M_ht.empty(); }
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void swap(hash_multimap& __hs) { _M_ht.swap(__hs._M_ht); }
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template <class _K1, class _T1, class _HF, class _EqK, class _Al>
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friend bool operator== (const hash_multimap<_K1, _T1, _HF, _EqK, _Al>&,
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const hash_multimap<_K1, _T1, _HF, _EqK, _Al>&);
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iterator begin() { return _M_ht.begin(); }
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iterator end() { return _M_ht.end(); }
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const_iterator begin() const { return _M_ht.begin(); }
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const_iterator end() const { return _M_ht.end(); }
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public:
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iterator insert(const value_type& __obj)
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{ return _M_ht.insert_equal(__obj); }
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template <class _InputIterator>
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void insert(_InputIterator __f, _InputIterator __l)
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{ _M_ht.insert_equal(__f,__l); }
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iterator insert_noresize(const value_type& __obj)
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{ return _M_ht.insert_equal_noresize(__obj); }
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iterator find(const key_type& __key) { return _M_ht.find(__key); }
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const_iterator find(const key_type& __key) const
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{ return _M_ht.find(__key); }
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size_type count(const key_type& __key) const { return _M_ht.count(__key); }
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pair<iterator, iterator> equal_range(const key_type& __key)
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{ return _M_ht.equal_range(__key); }
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pair<const_iterator, const_iterator>
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equal_range(const key_type& __key) const
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{ return _M_ht.equal_range(__key); }
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size_type erase(const key_type& __key) {return _M_ht.erase(__key); }
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void erase(iterator __it) { _M_ht.erase(__it); }
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void erase(iterator __f, iterator __l) { _M_ht.erase(__f, __l); }
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void clear() { _M_ht.clear(); }
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public:
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void resize(size_type __hint) { _M_ht.resize(__hint); }
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size_type bucket_count() const { return _M_ht.bucket_count(); }
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size_type max_bucket_count() const { return _M_ht.max_bucket_count(); }
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size_type elems_in_bucket(size_type __n) const
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{ return _M_ht.elems_in_bucket(__n); }
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};
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template <class _Key, class _Tp, class _HF, class _EqKey, class _Alloc>
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inline bool
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operator==(const hash_multimap<_Key,_Tp,_HF,_EqKey,_Alloc>& __hm1,
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const hash_multimap<_Key,_Tp,_HF,_EqKey,_Alloc>& __hm2)
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{
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return __hm1._M_ht == __hm2._M_ht;
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}
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template <class _Key, class _Tp, class _HF, class _EqKey, class _Alloc>
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inline bool
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operator!=(const hash_multimap<_Key,_Tp,_HF,_EqKey,_Alloc>& __hm1,
|
|
const hash_multimap<_Key,_Tp,_HF,_EqKey,_Alloc>& __hm2) {
|
|
return !(__hm1 == __hm2);
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _HashFcn, class _EqlKey, class _Alloc>
|
|
inline void
|
|
swap(hash_multimap<_Key,_Tp,_HashFcn,_EqlKey,_Alloc>& __hm1,
|
|
hash_multimap<_Key,_Tp,_HashFcn,_EqlKey,_Alloc>& __hm2)
|
|
{
|
|
__hm1.swap(__hm2);
|
|
}
|
|
|
|
} // namespace __gnu_cxx
|
|
|
|
namespace std
|
|
{
|
|
// Specialization of insert_iterator so that it will work for hash_map
|
|
// and hash_multimap.
|
|
|
|
template <class _Key, class _Tp, class _HashFn, class _EqKey, class _Alloc>
|
|
class insert_iterator<__gnu_cxx::hash_map<_Key, _Tp, _HashFn, _EqKey, _Alloc> > {
|
|
protected:
|
|
typedef __gnu_cxx::hash_map<_Key, _Tp, _HashFn, _EqKey, _Alloc> _Container;
|
|
_Container* container;
|
|
public:
|
|
typedef _Container container_type;
|
|
typedef output_iterator_tag iterator_category;
|
|
typedef void value_type;
|
|
typedef void difference_type;
|
|
typedef void pointer;
|
|
typedef void reference;
|
|
|
|
insert_iterator(_Container& __x) : container(&__x) {}
|
|
insert_iterator(_Container& __x, typename _Container::iterator)
|
|
: container(&__x) {}
|
|
insert_iterator<_Container>&
|
|
operator=(const typename _Container::value_type& __value) {
|
|
container->insert(__value);
|
|
return *this;
|
|
}
|
|
insert_iterator<_Container>& operator*() { return *this; }
|
|
insert_iterator<_Container>& operator++() { return *this; }
|
|
insert_iterator<_Container>& operator++(int) { return *this; }
|
|
};
|
|
|
|
template <class _Key, class _Tp, class _HashFn, class _EqKey, class _Alloc>
|
|
class insert_iterator<__gnu_cxx::hash_multimap<_Key, _Tp, _HashFn, _EqKey, _Alloc> > {
|
|
protected:
|
|
typedef __gnu_cxx::hash_multimap<_Key, _Tp, _HashFn, _EqKey, _Alloc> _Container;
|
|
_Container* container;
|
|
typename _Container::iterator iter;
|
|
public:
|
|
typedef _Container container_type;
|
|
typedef output_iterator_tag iterator_category;
|
|
typedef void value_type;
|
|
typedef void difference_type;
|
|
typedef void pointer;
|
|
typedef void reference;
|
|
|
|
insert_iterator(_Container& __x) : container(&__x) {}
|
|
insert_iterator(_Container& __x, typename _Container::iterator)
|
|
: container(&__x) {}
|
|
insert_iterator<_Container>&
|
|
operator=(const typename _Container::value_type& __value) {
|
|
container->insert(__value);
|
|
return *this;
|
|
}
|
|
insert_iterator<_Container>& operator*() { return *this; }
|
|
insert_iterator<_Container>& operator++() { return *this; }
|
|
insert_iterator<_Container>& operator++(int) { return *this; }
|
|
};
|
|
|
|
} // namespace std
|
|
|
|
#endif /* __SGI_STL_INTERNAL_HASH_MAP_H */
|
|
|
|
// Local Variables:
|
|
// mode:C++
|
|
// End:
|