408 lines
15 KiB
Plaintext
408 lines
15 KiB
Plaintext
/*
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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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/* NOTE: This is an internal header file, included by other STL headers.
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* You should not attempt to use it directly.
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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 std
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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_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,
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const hash_multimap<_Key,_Tp,_HF,_EqKey,_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_multimap<_Key,_Tp,_HashFcn,_EqlKey,_Alloc>& __hm1,
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hash_multimap<_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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// Specialization of insert_iterator so that it will work for hash_map
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// and hash_multimap.
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template <class _Key, class _Tp, class _HashFn, class _EqKey, class _Alloc>
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class insert_iterator<hash_map<_Key, _Tp, _HashFn, _EqKey, _Alloc> > {
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protected:
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typedef hash_map<_Key, _Tp, _HashFn, _EqKey, _Alloc> _Container;
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_Container* container;
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public:
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typedef _Container container_type;
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typedef output_iterator_tag iterator_category;
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typedef void value_type;
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typedef void difference_type;
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typedef void pointer;
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typedef void reference;
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insert_iterator(_Container& __x) : container(&__x) {}
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insert_iterator(_Container& __x, typename _Container::iterator)
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: container(&__x) {}
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insert_iterator<_Container>&
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operator=(const typename _Container::value_type& __value) {
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container->insert(__value);
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return *this;
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}
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insert_iterator<_Container>& operator*() { return *this; }
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insert_iterator<_Container>& operator++() { return *this; }
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insert_iterator<_Container>& operator++(int) { return *this; }
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};
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template <class _Key, class _Tp, class _HashFn, class _EqKey, class _Alloc>
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class insert_iterator<hash_multimap<_Key, _Tp, _HashFn, _EqKey, _Alloc> > {
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protected:
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typedef hash_multimap<_Key, _Tp, _HashFn, _EqKey, _Alloc> _Container;
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_Container* container;
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typename _Container::iterator iter;
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public:
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typedef _Container container_type;
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typedef output_iterator_tag iterator_category;
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typedef void value_type;
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typedef void difference_type;
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typedef void pointer;
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typedef void reference;
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insert_iterator(_Container& __x) : container(&__x) {}
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insert_iterator(_Container& __x, typename _Container::iterator)
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: container(&__x) {}
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insert_iterator<_Container>&
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operator=(const typename _Container::value_type& __value) {
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container->insert(__value);
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return *this;
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}
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insert_iterator<_Container>& operator*() { return *this; }
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insert_iterator<_Container>& operator++() { return *this; }
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insert_iterator<_Container>& operator++(int) { return *this; }
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};
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} // namespace std
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#endif /* __SGI_STL_INTERNAL_HASH_MAP_H */
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// Local Variables:
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// mode:C++
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// End:
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