--- /dev/null
+/*
+ *
+ * Copyright (c) 1994
+ * Hewlett-Packard Company
+ *
+ * Copyright (c) 1996,1997
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Copyright (c) 1997
+ * Moscow Center for SPARC Technology
+ *
+ * Copyright (c) 1999
+ * Boris Fomitchev
+ *
+ * This material is provided "as is", with absolutely no warranty expressed
+ * or implied. Any use is at your own risk.
+ *
+ * Permission to use or copy this software for any purpose is hereby granted
+ * without fee, provided the above notices are retained on all copies.
+ * Permission to modify the code and to distribute modified code is granted,
+ * provided the above notices are retained, and a notice that the code was
+ * modified is included with the above copyright notice.
+ *
+ */
+
+/* NOTE: This is an internal header file, included by other STL headers.
+ * You should not attempt to use it directly.
+ */
+
+#ifndef _STLP_INTERNAL_HASHTABLE_H
+#define _STLP_INTERNAL_HASHTABLE_H
+
+#ifndef _STLP_INTERNAL_VECTOR_H
+# include <stl/_vector.h>
+#endif
+
+#ifndef _STLP_INTERNAL_SLIST_H
+# include <stl/_slist.h>
+#endif
+
+#ifndef _STLP_INTERNAL_ITERATOR_H
+# include <stl/_iterator.h>
+#endif
+
+#ifndef _STLP_INTERNAL_FUNCTION_BASE_H
+# include <stl/_function_base.h>
+#endif
+
+#ifndef _STLP_INTERNAL_ALGOBASE_H
+# include <stl/_algobase.h>
+#endif
+
+#ifndef _STLP_HASH_FUN_H
+# include <stl/_hash_fun.h>
+#endif
+
+/*
+ * Hashtable class, used to implement the hashed associative containers
+ * hash_set, hash_map, hash_multiset, hash_multimap,
+ * unordered_set, unordered_map, unordered_multiset, unordered_multimap.
+ */
+
+_STLP_BEGIN_NAMESPACE
+
+#if defined (_STLP_USE_TEMPLATE_EXPORT)
+//Export of the classes used to represent buckets in the hashtable implementation.
+# if !defined (_STLP_USE_PTR_SPECIALIZATIONS)
+//If pointer specialization is enabled vector<_Slist_node_base*> will use the void*
+//storage type for which internal classes have already been exported.
+_STLP_EXPORT_TEMPLATE_CLASS allocator<_STLP_PRIV _Slist_node_base*>;
+
+_STLP_MOVE_TO_PRIV_NAMESPACE
+_STLP_EXPORT_TEMPLATE_CLASS _STLP_alloc_proxy<_Slist_node_base**, _Slist_node_base*,
+ allocator<_Slist_node_base*> >;
+_STLP_EXPORT_TEMPLATE_CLASS _Vector_base<_Slist_node_base*,
+ allocator<_Slist_node_base*> >;
+_STLP_MOVE_TO_STD_NAMESPACE
+# endif
+
+# if defined (_STLP_DEBUG)
+_STLP_MOVE_TO_PRIV_NAMESPACE
+# define _STLP_NON_DBG_VECTOR _STLP_NON_DBG_NAME(vector)
+_STLP_EXPORT_TEMPLATE_CLASS __construct_checker<_STLP_NON_DBG_VECTOR<_Slist_node_base*, allocator<_Slist_node_base*> > >;
+_STLP_EXPORT_TEMPLATE_CLASS _STLP_NON_DBG_VECTOR<_Slist_node_base*, allocator<_Slist_node_base*> >;
+# undef _STLP_NON_DBG_VECTOR
+_STLP_MOVE_TO_STD_NAMESPACE
+# endif
+
+_STLP_EXPORT_TEMPLATE_CLASS vector<_STLP_PRIV _Slist_node_base*,
+ allocator<_STLP_PRIV _Slist_node_base*> >;
+#endif
+
+#if defined (_STLP_DEBUG)
+# define hashtable _STLP_NON_DBG_NAME(hashtable)
+_STLP_MOVE_TO_PRIV_NAMESPACE
+#endif
+
+// some compilers require the names of template parameters to be the same
+template <class _Val, class _Key, class _HF,
+ class _Traits, class _ExK, class _EqK, class _All>
+class hashtable;
+
+#if !defined (_STLP_DEBUG)
+_STLP_MOVE_TO_PRIV_NAMESPACE
+#endif
+
+template <class _BaseIte, class _Traits>
+struct _Ht_iterator {
+ typedef typename _Traits::_ConstTraits _ConstTraits;
+ typedef typename _Traits::_NonConstTraits _NonConstTraits;
+
+ typedef _Ht_iterator<_BaseIte,_Traits> _Self;
+
+ typedef typename _Traits::value_type value_type;
+ typedef typename _Traits::pointer pointer;
+ typedef typename _Traits::reference reference;
+ typedef forward_iterator_tag iterator_category;
+ typedef ptrdiff_t difference_type;
+ typedef size_t size_type;
+
+ typedef _Ht_iterator<_BaseIte, _NonConstTraits> iterator;
+ typedef _Ht_iterator<_BaseIte, _ConstTraits> const_iterator;
+
+ _Ht_iterator() {}
+ //copy constructor for iterator and constructor from iterator for const_iterator
+ _Ht_iterator(const iterator& __it) : _M_ite(__it._M_ite) {}
+ _Ht_iterator(_BaseIte __it) : _M_ite(__it) {}
+
+ reference operator*() const {
+ return *_M_ite;
+ }
+ _STLP_DEFINE_ARROW_OPERATOR
+
+ _Self& operator++() {
+ ++_M_ite;
+ return *this;
+ }
+ _Self operator++(int) {
+ _Self __tmp = *this;
+ ++*this;
+ return __tmp;
+ }
+
+ bool operator == (const_iterator __rhs) const {
+ return _M_ite == __rhs._M_ite;
+ }
+ bool operator != (const_iterator __rhs) const {
+ return _M_ite != __rhs._M_ite;
+ }
+
+ _BaseIte _M_ite;
+};
+
+_STLP_MOVE_TO_STD_NAMESPACE
+
+#if defined (_STLP_CLASS_PARTIAL_SPECIALIZATION)
+template <class _BaseIte, class _Traits>
+struct __type_traits<_STLP_PRIV _Ht_iterator<_BaseIte, _Traits> > {
+ typedef __false_type has_trivial_default_constructor;
+ typedef __true_type has_trivial_copy_constructor;
+ typedef __true_type has_trivial_assignment_operator;
+ typedef __true_type has_trivial_destructor;
+ typedef __false_type is_POD_type;
+};
+#endif /* _STLP_CLASS_PARTIAL_SPECIALIZATION */
+
+#if defined (_STLP_USE_OLD_HP_ITERATOR_QUERIES)
+template <class _BaseIte, class _Traits>
+inline
+# if defined (_STLP_NESTED_TYPE_PARAM_BUG)
+_STLP_TYPENAME_ON_RETURN_TYPE _Traits::value_type *
+# else
+_STLP_TYPENAME_ON_RETURN_TYPE _STLP_PRIV _Ht_iterator<_BaseIte,_Traits>::value_type *
+# endif
+value_type(const _STLP_PRIV _Ht_iterator<_BaseIte,_Traits>&) {
+ typedef typename _STLP_PRIV _Ht_iterator<_BaseIte,_Traits>::value_type _Val;
+ return (_Val*) 0;
+}
+template <class _BaseIte, class _Traits>
+inline forward_iterator_tag iterator_category(const _STLP_PRIV _Ht_iterator<_BaseIte,_Traits>&)
+{ return forward_iterator_tag(); }
+template <class _BaseIte, class _Traits>
+inline ptrdiff_t* distance_type(const _STLP_PRIV _Ht_iterator<_BaseIte,_Traits>&)
+{ return (ptrdiff_t*) 0; }
+#endif
+
+_STLP_MOVE_TO_PRIV_NAMESPACE
+
+template <class _Dummy>
+class _Stl_prime {
+public:
+ //Returns the maximum number of buckets handled by the hashtable implementation
+ static size_t _STLP_CALL _S_max_nb_buckets();
+
+ //Returns the bucket size next to a required size
+ static size_t _STLP_CALL _S_next_size(size_t);
+};
+
+#if defined (_STLP_USE_TEMPLATE_EXPORT)
+_STLP_EXPORT_TEMPLATE_CLASS _Stl_prime<bool>;
+#endif
+
+typedef _Stl_prime<bool> _Stl_prime_type;
+
+#if !defined (_STLP_DEBUG)
+_STLP_MOVE_TO_STD_NAMESPACE
+#endif
+
+/*
+ * Hashtables handle allocators a bit differently than other containers
+ * do. If we're using standard-conforming allocators, then a hashtable
+ * unconditionally has a member variable to hold its allocator, even if
+ * it so happens that all instances of the allocator type are identical.
+ * This is because, for hashtables, this extra storage is negligible.
+ * Additionally, a base class wouldn't serve any other purposes; it
+ * wouldn't, for example, simplify the exception-handling code.
+ */
+template <class _Val, class _Key, class _HF,
+ class _Traits, class _ExK, class _EqK, class _All>
+class hashtable {
+ typedef hashtable<_Val, _Key, _HF, _Traits, _ExK, _EqK, _All> _Self;
+ typedef typename _Traits::_NonConstTraits _NonConstTraits;
+ typedef typename _Traits::_ConstTraits _ConstTraits;
+ typedef typename _Traits::_NonConstLocalTraits _NonConstLocalTraits;
+ typedef typename _Traits::_ConstLocalTraits _ConstLocalTraits;
+
+public:
+ typedef _Key key_type;
+ typedef _Val value_type;
+ typedef _HF hasher;
+ typedef _EqK key_equal;
+
+ typedef size_t size_type;
+ typedef ptrdiff_t difference_type;
+ typedef typename _NonConstTraits::pointer pointer;
+ typedef const value_type* const_pointer;
+ typedef typename _NonConstTraits::reference reference;
+ typedef const value_type& const_reference;
+ typedef forward_iterator_tag _Iterator_category;
+
+ hasher hash_funct() const { return _M_hash; }
+ key_equal key_eq() const { return _M_equals; }
+
+private:
+ _STLP_FORCE_ALLOCATORS(_Val, _All)
+#if defined (_STLP_DEBUG)
+ typedef _STLP_PRIV _STLP_NON_DBG_NAME(slist)<value_type, _All> _ElemsCont;
+#else
+ typedef slist<value_type, _All> _ElemsCont;
+#endif
+ typedef typename _ElemsCont::iterator _ElemsIte;
+ typedef typename _ElemsCont::const_iterator _ElemsConstIte;
+ typedef _STLP_PRIV _Slist_node_base _BucketType;
+ typedef typename _Alloc_traits<_BucketType*, _All>::allocator_type _M_bucket_allocator_type;
+ /*
+ * We are going to use vector of _Slist_node_base pointers for 2 reasons:
+ * - limit code bloat, all hashtable instanciation use the same buckets representation.
+ * - avoid _STLP_DEBUG performance trouble: with a vector of iterator on slist the resize
+ * method would be too slow because the slist::splice_after method become linear on
+ * the number of iterators in the buckets rather than constant in time as the iterator
+ * has to be move from a slist to the other.
+ */
+#if defined (_STLP_DEBUG)
+ typedef _STLP_PRIV _STLP_NON_DBG_NAME(vector)<_BucketType*, _M_bucket_allocator_type> _BucketVector;
+#else
+ typedef vector<_BucketType*, _M_bucket_allocator_type> _BucketVector;
+#endif
+
+ hasher _M_hash;
+ key_equal _M_equals;
+ _ExK _M_get_key;
+ _ElemsCont _M_elems;
+ _BucketVector _M_buckets;
+ size_type _M_num_elements;
+ float _M_max_load_factor;
+ _STLP_KEY_TYPE_FOR_CONT_EXT(key_type)
+
+public:
+ typedef _STLP_PRIV _Ht_iterator<_ElemsIte, _NonConstTraits> iterator;
+ typedef _STLP_PRIV _Ht_iterator<_ElemsIte, _ConstTraits> const_iterator;
+ //TODO: Avoids this debug check and make the local_iterator different from
+ //iterator in debug mode too.
+#if !defined (_STLP_DEBUG)
+ typedef _STLP_PRIV _Ht_iterator<_ElemsIte, _NonConstLocalTraits> local_iterator;
+ typedef _STLP_PRIV _Ht_iterator<_ElemsIte, _ConstLocalTraits> const_local_iterator;
+#else
+ typedef iterator local_iterator;
+ typedef const_iterator const_local_iterator;
+#endif
+
+ typedef typename _Alloc_traits<_Val, _All>::allocator_type allocator_type;
+ allocator_type get_allocator() const { return _M_elems.get_allocator(); }
+
+#if !defined (_STLP_DONT_SUP_DFLT_PARAM)
+ hashtable(size_type __n,
+ const _HF& __hf,
+ const _EqK& __eql,
+ const _ExK& __ext,
+ const allocator_type& __a = allocator_type())
+#else
+ hashtable(size_type __n,
+ const _HF& __hf,
+ const _EqK& __eql,
+ const _ExK& __ext)
+ : _M_hash(__hf),
+ _M_equals(__eql),
+ _M_get_key(__ext),
+ _M_elems(allocator_type()),
+ _M_buckets(_STLP_CONVERT_ALLOCATOR(__a, _BucketType*)),
+ _M_num_elements(0),
+ _M_max_load_factor(1.0f)
+ { _M_initialize_buckets(__n); }
+
+ hashtable(size_type __n,
+ const _HF& __hf,
+ const _EqK& __eql,
+ const _ExK& __ext,
+ const allocator_type& __a)
+#endif
+ : _M_hash(__hf),
+ _M_equals(__eql),
+ _M_get_key(__ext),
+ _M_elems(__a),
+ _M_buckets(_STLP_CONVERT_ALLOCATOR(__a, _BucketType*)),
+ _M_num_elements(0),
+ _M_max_load_factor(1.0f)
+ { _M_initialize_buckets(__n); }
+
+#if !defined (_STLP_DONT_SUP_DFLT_PARAM)
+ hashtable(size_type __n,
+ const _HF& __hf,
+ const _EqK& __eql,
+ const allocator_type& __a = allocator_type())
+#else
+ hashtable(size_type __n,
+ const _HF& __hf,
+ const _EqK& __eql)
+ : _M_hash(__hf),
+ _M_equals(__eql),
+ _M_get_key(_ExK()),
+ _M_elems(allocator_type()),
+ _M_buckets(_STLP_CONVERT_ALLOCATOR(__a, _BucketType*)),
+ _M_num_elements(0),
+ _M_max_load_factor(1.0f)
+ { _M_initialize_buckets(__n); }
+
+ hashtable(size_type __n,
+ const _HF& __hf,
+ const _EqK& __eql,
+ const allocator_type& __a)
+#endif
+ : _M_hash(__hf),
+ _M_equals(__eql),
+ _M_get_key(_ExK()),
+ _M_elems(__a),
+ _M_buckets(_STLP_CONVERT_ALLOCATOR(__a, _BucketType*)),
+ _M_num_elements(0),
+ _M_max_load_factor(1.0f)
+ { _M_initialize_buckets(__n); }
+
+ hashtable(const _Self& __ht)
+ : _M_hash(__ht._M_hash),
+ _M_equals(__ht._M_equals),
+ _M_get_key(__ht._M_get_key),
+ _M_elems(__ht.get_allocator()),
+ _M_buckets(_STLP_CONVERT_ALLOCATOR(__ht.get_allocator(), _BucketType*)),
+ _M_num_elements(0),
+ _M_max_load_factor(1.0f)
+ { _M_copy_from(__ht); }
+
+ hashtable(__move_source<_Self> src)
+ : _M_hash(_STLP_PRIV _AsMoveSource(src.get()._M_hash)),
+ _M_equals(_STLP_PRIV _AsMoveSource(src.get()._M_equals)),
+ _M_get_key(_STLP_PRIV _AsMoveSource(src.get()._M_get_key)),
+ _M_elems(__move_source<_ElemsCont>(src.get()._M_elems)),
+ _M_buckets(__move_source<_BucketVector>(src.get()._M_buckets)),
+ _M_num_elements(src.get()._M_num_elements),
+ _M_max_load_factor(src.get()._M_max_load_factor) {}
+
+ _Self& operator= (const _Self& __ht) {
+ if (&__ht != this) {
+ clear();
+ _M_hash = __ht._M_hash;
+ _M_equals = __ht._M_equals;
+ _M_get_key = __ht._M_get_key;
+ _M_copy_from(__ht);
+ }
+ return *this;
+ }
+
+ ~hashtable() { clear(); }
+
+ size_type size() const { return _M_num_elements; }
+ size_type max_size() const { return size_type(-1); }
+ bool empty() const { return size() == 0; }
+
+ void swap(_Self& __ht) {
+ _STLP_STD::swap(_M_hash, __ht._M_hash);
+ _STLP_STD::swap(_M_equals, __ht._M_equals);
+ _STLP_STD::swap(_M_get_key, __ht._M_get_key);
+ _M_elems.swap(__ht._M_elems);
+ _M_buckets.swap(__ht._M_buckets);
+ _STLP_STD::swap(_M_num_elements, __ht._M_num_elements);
+ _STLP_STD::swap(_M_max_load_factor, __ht._M_max_load_factor);
+ }
+
+ iterator begin() { return _M_elems.begin(); }
+ iterator end() { return _M_elems.end(); }
+ local_iterator begin(size_type __n) { return _ElemsIte(_M_buckets[__n]); }
+ local_iterator end(size_type __n) { return _ElemsIte(_M_buckets[__n + 1]); }
+
+ const_iterator begin() const { return __CONST_CAST(_ElemsCont&, _M_elems).begin(); }
+ const_iterator end() const { return __CONST_CAST(_ElemsCont&, _M_elems).end(); }
+ const_local_iterator begin(size_type __n) const { return _ElemsIte(_M_buckets[__n]); }
+ const_local_iterator end(size_type __n) const { return _ElemsIte(_M_buckets[__n + 1]); }
+
+ //static bool _STLP_CALL _M_equal (const _Self&, const _Self&);
+
+public:
+ //The number of buckets is size() - 1 because the last bucket always contains
+ //_M_elems.end() to make algo easier to implement.
+ size_type bucket_count() const { return _M_buckets.size() - 1; }
+ size_type max_bucket_count() const { return _STLP_PRIV _Stl_prime_type::_S_max_nb_buckets(); }
+ size_type elems_in_bucket(size_type __bucket) const
+ { return distance(_ElemsIte(_M_buckets[__bucket]), _ElemsIte(_M_buckets[__bucket + 1])); }
+
+ _STLP_TEMPLATE_FOR_CONT_EXT
+ size_type bucket(const _KT& __k) const { return _M_bkt_num_key(__k); }
+
+ // hash policy
+ float load_factor() const { return (float)size() / (float)bucket_count(); }
+ float max_load_factor() const { return _M_max_load_factor; }
+ void max_load_factor(float __z) { _M_max_load_factor = __z;}
+
+ pair<iterator, bool> insert_unique(const value_type& __obj) {
+ resize(_M_num_elements + 1);
+ return insert_unique_noresize(__obj);
+ }
+
+ iterator insert_equal(const value_type& __obj) {
+ resize(_M_num_elements + 1);
+ return insert_equal_noresize(__obj);
+ }
+
+protected:
+ iterator _M_insert_noresize(size_type __n, const value_type& __obj);
+public:
+ pair<iterator, bool> insert_unique_noresize(const value_type& __obj);
+ iterator insert_equal_noresize(const value_type& __obj);
+
+#if defined (_STLP_MEMBER_TEMPLATES)
+ template <class _InputIterator>
+ void insert_unique(_InputIterator __f, _InputIterator __l)
+ { insert_unique(__f, __l, _STLP_ITERATOR_CATEGORY(__f, _InputIterator)); }
+
+ template <class _InputIterator>
+ void insert_equal(_InputIterator __f, _InputIterator __l)
+ { insert_equal(__f, __l, _STLP_ITERATOR_CATEGORY(__f, _InputIterator)); }
+
+ template <class _InputIterator>
+ void insert_unique(_InputIterator __f, _InputIterator __l,
+ const input_iterator_tag &) {
+ for ( ; __f != __l; ++__f)
+ insert_unique(*__f);
+ }
+
+ template <class _InputIterator>
+ void insert_equal(_InputIterator __f, _InputIterator __l,
+ const input_iterator_tag &) {
+ for ( ; __f != __l; ++__f)
+ insert_equal(*__f);
+ }
+
+ template <class _ForwardIterator>
+ void insert_unique(_ForwardIterator __f, _ForwardIterator __l,
+ const forward_iterator_tag &) {
+ size_type __n = distance(__f, __l);
+ resize(_M_num_elements + __n);
+ for ( ; __n > 0; --__n, ++__f)
+ insert_unique_noresize(*__f);
+ }
+
+ template <class _ForwardIterator>
+ void insert_equal(_ForwardIterator __f, _ForwardIterator __l,
+ const forward_iterator_tag &) {
+ size_type __n = distance(__f, __l);
+ resize(_M_num_elements + __n);
+ for ( ; __n > 0; --__n, ++__f)
+ insert_equal_noresize(*__f);
+ }
+
+#else /* _STLP_MEMBER_TEMPLATES */
+ void insert_unique(const value_type* __f, const value_type* __l) {
+ size_type __n = __l - __f;
+ resize(_M_num_elements + __n);
+ for ( ; __n > 0; --__n, ++__f)
+ insert_unique_noresize(*__f);
+ }
+
+ void insert_equal(const value_type* __f, const value_type* __l) {
+ size_type __n = __l - __f;
+ resize(_M_num_elements + __n);
+ for ( ; __n > 0; --__n, ++__f)
+ insert_equal_noresize(*__f);
+ }
+
+ void insert_unique(const_iterator __f, const_iterator __l) {
+ size_type __n = distance(__f, __l);
+ resize(_M_num_elements + __n);
+ for ( ; __n > 0; --__n, ++__f)
+ insert_unique_noresize(*__f);
+ }
+
+ void insert_equal(const_iterator __f, const_iterator __l) {
+ size_type __n = distance(__f, __l);
+ resize(_M_num_elements + __n);
+ for ( ; __n > 0; --__n, ++__f)
+ insert_equal_noresize(*__f);
+ }
+#endif /*_STLP_MEMBER_TEMPLATES */
+
+ //reference find_or_insert(const value_type& __obj);
+
+private:
+ _STLP_TEMPLATE_FOR_CONT_EXT
+ _ElemsIte _M_find(const _KT& __key) const {
+ size_type __n = _M_bkt_num_key(__key);
+ _ElemsIte __first(_M_buckets[__n]);
+ _ElemsIte __last(_M_buckets[__n + 1]);
+ for ( ; (__first != __last) && !_M_equals(_M_get_key(*__first), __key); ++__first);
+ if (__first != __last)
+ return __first;
+ else
+ return __CONST_CAST(_ElemsCont&, _M_elems).end();
+ }
+
+public:
+ _STLP_TEMPLATE_FOR_CONT_EXT
+ iterator find(const _KT& __key) { return _M_find(__key); }
+ _STLP_TEMPLATE_FOR_CONT_EXT
+ const_iterator find(const _KT& __key) const { return _M_find(__key); }
+
+ _STLP_TEMPLATE_FOR_CONT_EXT
+ size_type count(const _KT& __key) const {
+ const size_type __n = _M_bkt_num_key(__key);
+
+ _ElemsIte __cur(_M_buckets[__n]);
+ _ElemsIte __last(_M_buckets[__n + 1]);
+ for (; __cur != __last; ++__cur) {
+ if (_M_equals(_M_get_key(*__cur), __key)) {
+ size_type __result = 1;
+ for (++__cur;
+ __cur != __last && _M_equals(_M_get_key(*__cur), __key);
+ ++__result, ++__cur);
+ return __result;
+ }
+ }
+ return 0;
+ }
+
+ _STLP_TEMPLATE_FOR_CONT_EXT
+ pair<iterator, iterator> equal_range(const _KT& __key) {
+ typedef pair<iterator, iterator> _Pii;
+ const size_type __n = _M_bkt_num_key(__key);
+
+ for (_ElemsIte __first(_M_buckets[__n]), __last(_M_buckets[__n + 1]);
+ __first != __last; ++__first) {
+ if (_M_equals(_M_get_key(*__first), __key)) {
+ _ElemsIte __cur(__first);
+ for (++__cur; (__cur != __last) && _M_equals(_M_get_key(*__cur), __key); ++__cur);
+ return _Pii(__first, __cur);
+ }
+ }
+ return _Pii(end(), end());
+ }
+
+ _STLP_TEMPLATE_FOR_CONT_EXT
+ pair<const_iterator, const_iterator> equal_range(const _KT& __key) const {
+ typedef pair<const_iterator, const_iterator> _Pii;
+ const size_type __n = _M_bkt_num_key(__key);
+
+ for (_ElemsIte __first(_M_buckets[__n]), __last(_M_buckets[__n + 1]);
+ __first != __last; ++__first) {
+ if (_M_equals(_M_get_key(*__first), __key)) {
+ _ElemsIte __cur(__first);
+ for (++__cur; (__cur != __last) && _M_equals(_M_get_key(*__cur), __key); ++__cur);
+ return _Pii(__first, __cur);
+ }
+ }
+ return _Pii(end(), end());
+ }
+
+ size_type erase(const key_type& __key);
+ void erase(const_iterator __it);
+ void erase(const_iterator __first, const_iterator __last);
+
+private:
+ void _M_rehash(size_type __num_buckets);
+#if defined (_STLP_DEBUG)
+ void _M_check() const;
+#endif
+
+public:
+ void rehash(size_type __num_buckets_hint);
+ void resize(size_type __num_elements_hint);
+ void clear();
+
+ // this is for hash_map::operator[]
+ reference _M_insert(const value_type& __obj);
+
+private:
+ //__n is set to the first bucket that has to be modified if any
+ //erase/insert operation is done after the returned iterator.
+ iterator _M_before_begin(size_type &__n) const;
+
+ static iterator _S_before_begin(const _ElemsCont& __elems, const _BucketVector& __buckets,
+ size_type &__n);
+
+ void _M_initialize_buckets(size_type __n) {
+ const size_type __n_buckets = _STLP_PRIV _Stl_prime_type::_S_next_size(__n) + 1;
+ _M_buckets.reserve(__n_buckets);
+ _M_buckets.assign(__n_buckets, __STATIC_CAST(_BucketType*, 0));
+ }
+
+ _STLP_TEMPLATE_FOR_CONT_EXT
+ size_type _M_bkt_num_key(const _KT& __key) const
+ { return _M_bkt_num_key(__key, bucket_count()); }
+
+ size_type _M_bkt_num(const value_type& __obj) const
+ { return _M_bkt_num_key(_M_get_key(__obj)); }
+
+ _STLP_TEMPLATE_FOR_CONT_EXT
+ size_type _M_bkt_num_key(const _KT& __key, size_type __n) const
+ { return _M_hash(__key) % __n; }
+
+ size_type _M_bkt_num(const value_type& __obj, size_t __n) const
+ { return _M_bkt_num_key(_M_get_key(__obj), __n); }
+
+ void _M_copy_from(const _Self& __ht);
+};
+
+#if defined (_STLP_DEBUG)
+# undef hashtable
+_STLP_MOVE_TO_STD_NAMESPACE
+#endif
+
+_STLP_END_NAMESPACE
+
+#if !defined (_STLP_LINK_TIME_INSTANTIATION)
+# include <stl/_hashtable.c>
+#endif
+
+#if defined (_STLP_DEBUG)
+# include <stl/debug/_hashtable.h>
+#endif
+
+_STLP_BEGIN_NAMESPACE
+
+#define _STLP_TEMPLATE_HEADER template <class _Val, class _Key, class _HF, class _Traits, class _ExK, class _EqK, class _All>
+#define _STLP_TEMPLATE_CONTAINER hashtable<_Val,_Key,_HF,_Traits,_ExK,_EqK,_All>
+#include <stl/_relops_hash_cont.h>
+#undef _STLP_TEMPLATE_CONTAINER
+#undef _STLP_TEMPLATE_HEADER
+
+#if defined (_STLP_CLASS_PARTIAL_SPECIALIZATION)
+template <class _Val, class _Key, class _HF, class _Traits, class _ExK, class _EqK, class _All>
+struct __move_traits<hashtable<_Val, _Key, _HF, _Traits, _ExK, _EqK, _All> > {
+ //Hashtables are movable:
+ typedef __stlp_movable implemented;
+
+ //Completeness depends on many template parameters, for the moment we consider it not complete:
+ typedef __false_type complete;
+};
+#endif
+
+_STLP_END_NAMESPACE
+
+#endif /* _STLP_INTERNAL_HASHTABLE_H */
+
+// Local Variables:
+// mode:C++
+// End:
projects / polintos / scott / priv.git / blobdiff