namespace __gnu_cxx
{
-using std::size_t;
-using std::ptrdiff_t;
-using std::forward_iterator_tag;
-using std::input_iterator_tag;
-using std::_Construct;
-using std::_Destroy;
-using std::distance;
-using std::vector;
-using std::pair;
-using std::__iterator_category;
-
-template <class _Val>
-struct _Hashtable_node
-{
- _Hashtable_node* _M_next;
- _Val _M_val;
-};
-
-template <class _Val, class _Key, class _HashFcn, class _ExtractKey,
- class _EqualKey, class _Alloc = std::allocator<_Val> >
-class hashtable;
-
-template <class _Val, class _Key, class _HashFcn,
- class _ExtractKey, class _EqualKey, class _Alloc>
-struct _Hashtable_iterator;
-
-template <class _Val, class _Key, class _HashFcn,
- class _ExtractKey, class _EqualKey, class _Alloc>
-struct _Hashtable_const_iterator;
-
-template <class _Val, class _Key, class _HashFcn,
- class _ExtractKey, class _EqualKey, class _Alloc>
-struct _Hashtable_iterator {
- typedef hashtable<_Val,_Key,_HashFcn,_ExtractKey,_EqualKey,_Alloc>
- _Hashtable;
- typedef _Hashtable_iterator<_Val, _Key, _HashFcn,
- _ExtractKey, _EqualKey, _Alloc>
- iterator;
- typedef _Hashtable_const_iterator<_Val, _Key, _HashFcn,
- _ExtractKey, _EqualKey, _Alloc>
- const_iterator;
- typedef _Hashtable_node<_Val> _Node;
-
- typedef forward_iterator_tag iterator_category;
- typedef _Val value_type;
- typedef ptrdiff_t difference_type;
- typedef size_t size_type;
- typedef _Val& reference;
- typedef _Val* pointer;
-
- _Node* _M_cur;
- _Hashtable* _M_ht;
-
- _Hashtable_iterator(_Node* __n, _Hashtable* __tab)
- : _M_cur(__n), _M_ht(__tab) {}
- _Hashtable_iterator() {}
- reference operator*() const { return _M_cur->_M_val; }
- pointer operator->() const { return &(operator*()); }
- iterator& operator++();
- iterator operator++(int);
- bool operator==(const iterator& __it) const
- { return _M_cur == __it._M_cur; }
- bool operator!=(const iterator& __it) const
- { return _M_cur != __it._M_cur; }
-};
-
-
-template <class _Val, class _Key, class _HashFcn,
- class _ExtractKey, class _EqualKey, class _Alloc>
-struct _Hashtable_const_iterator {
- typedef hashtable<_Val,_Key,_HashFcn,_ExtractKey,_EqualKey,_Alloc>
- _Hashtable;
- typedef _Hashtable_iterator<_Val,_Key,_HashFcn,
- _ExtractKey,_EqualKey,_Alloc>
- iterator;
- typedef _Hashtable_const_iterator<_Val, _Key, _HashFcn,
- _ExtractKey, _EqualKey, _Alloc>
- const_iterator;
- typedef _Hashtable_node<_Val> _Node;
-
- typedef forward_iterator_tag iterator_category;
- typedef _Val value_type;
- typedef ptrdiff_t difference_type;
- typedef size_t size_type;
- typedef const _Val& reference;
- typedef const _Val* pointer;
-
- const _Node* _M_cur;
- const _Hashtable* _M_ht;
-
- _Hashtable_const_iterator(const _Node* __n, const _Hashtable* __tab)
- : _M_cur(__n), _M_ht(__tab) {}
- _Hashtable_const_iterator() {}
- _Hashtable_const_iterator(const iterator& __it)
- : _M_cur(__it._M_cur), _M_ht(__it._M_ht) {}
- reference operator*() const { return _M_cur->_M_val; }
- pointer operator->() const { return &(operator*()); }
- const_iterator& operator++();
- const_iterator operator++(int);
- bool operator==(const const_iterator& __it) const
- { return _M_cur == __it._M_cur; }
- bool operator!=(const const_iterator& __it) const
- { return _M_cur != __it._M_cur; }
-};
-
-// Note: assumes long is at least 32 bits.
-enum { _S_num_primes = 28 };
-
-static const unsigned long __stl_prime_list[_S_num_primes] =
-{
- 53ul, 97ul, 193ul, 389ul, 769ul,
- 1543ul, 3079ul, 6151ul, 12289ul, 24593ul,
- 49157ul, 98317ul, 196613ul, 393241ul, 786433ul,
- 1572869ul, 3145739ul, 6291469ul, 12582917ul, 25165843ul,
- 50331653ul, 100663319ul, 201326611ul, 402653189ul, 805306457ul,
- 1610612741ul, 3221225473ul, 4294967291ul
-};
-
-inline unsigned long __stl_next_prime(unsigned long __n)
-{
- const unsigned long* __first = __stl_prime_list;
- const unsigned long* __last = __stl_prime_list + (int)_S_num_primes;
- const unsigned long* pos = std::lower_bound(__first, __last, __n);
- return pos == __last ? *(__last - 1) : *pos;
-}
-
-// Forward declaration of operator==.
-
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-class hashtable;
-
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-bool operator==(const hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>& __ht1,
- const hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>& __ht2);
-
-
-// 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 _HashFcn,
- class _ExtractKey, class _EqualKey, class _Alloc>
-class hashtable {
-public:
- typedef _Key key_type;
- typedef _Val value_type;
- typedef _HashFcn hasher;
- typedef _EqualKey key_equal;
-
- typedef size_t size_type;
- typedef ptrdiff_t difference_type;
- typedef value_type* pointer;
- typedef const value_type* const_pointer;
- typedef value_type& reference;
- typedef const value_type& const_reference;
-
- hasher hash_funct() const { return _M_hash; }
- key_equal key_eq() const { return _M_equals; }
-
-private:
- typedef _Hashtable_node<_Val> _Node;
-
-public:
- typedef _Alloc allocator_type;
- allocator_type get_allocator() const { return _M_node_allocator; }
-private:
- typedef typename _Alloc::template rebind<_Node>::other _Node_Alloc;
- typedef typename _Alloc::template rebind<_Node*>::other _Nodeptr_Alloc;
- typedef vector<_Node*, _Nodeptr_Alloc> _Vector_type;
-
- _Node_Alloc _M_node_allocator;
- _Node* _M_get_node() { return _M_node_allocator.allocate(1); }
- void _M_put_node(_Node* __p) { _M_node_allocator.deallocate(__p, 1); }
-
-private:
- hasher _M_hash;
- key_equal _M_equals;
- _ExtractKey _M_get_key;
- _Vector_type _M_buckets;
- size_type _M_num_elements;
-
-public:
- typedef _Hashtable_iterator<_Val,_Key,_HashFcn,_ExtractKey,_EqualKey,_Alloc>
- iterator;
- typedef _Hashtable_const_iterator<_Val,_Key,_HashFcn,_ExtractKey,_EqualKey,
- _Alloc>
- const_iterator;
-
- friend struct
- _Hashtable_iterator<_Val,_Key,_HashFcn,_ExtractKey,_EqualKey,_Alloc>;
- friend struct
- _Hashtable_const_iterator<_Val,_Key,_HashFcn,_ExtractKey,_EqualKey,_Alloc>;
-
-public:
- hashtable(size_type __n,
- const _HashFcn& __hf,
- const _EqualKey& __eql,
- const _ExtractKey& __ext,
- const allocator_type& __a = allocator_type())
- : _M_node_allocator(__a),
- _M_hash(__hf),
- _M_equals(__eql),
- _M_get_key(__ext),
- _M_buckets(__a),
- _M_num_elements(0)
- {
- _M_initialize_buckets(__n);
- }
-
- hashtable(size_type __n,
- const _HashFcn& __hf,
- const _EqualKey& __eql,
- const allocator_type& __a = allocator_type())
- : _M_node_allocator(__a),
- _M_hash(__hf),
- _M_equals(__eql),
- _M_get_key(_ExtractKey()),
- _M_buckets(__a),
- _M_num_elements(0)
- {
- _M_initialize_buckets(__n);
- }
-
- hashtable(const hashtable& __ht)
- : _M_node_allocator(__ht.get_allocator()),
- _M_hash(__ht._M_hash),
- _M_equals(__ht._M_equals),
- _M_get_key(__ht._M_get_key),
- _M_buckets(__ht.get_allocator()),
- _M_num_elements(0)
- {
- _M_copy_from(__ht);
- }
+ using std::size_t;
+ using std::ptrdiff_t;
+ using std::forward_iterator_tag;
+ using std::input_iterator_tag;
+ using std::_Construct;
+ using std::_Destroy;
+ using std::distance;
+ using std::vector;
+ using std::pair;
+ using std::__iterator_category;
+
+ template <class _Val>
+ struct _Hashtable_node
+ {
+ _Hashtable_node* _M_next;
+ _Val _M_val;
+ };
- hashtable& operator= (const hashtable& __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;
- }
+ template <class _Val, class _Key, class _HashFcn, class _ExtractKey,
+ class _EqualKey, class _Alloc = std::allocator<_Val> >
+ class hashtable;
- ~hashtable() { clear(); }
+ template <class _Val, class _Key, class _HashFcn,
+ class _ExtractKey, class _EqualKey, class _Alloc>
+ struct _Hashtable_iterator;
- size_type size() const { return _M_num_elements; }
- size_type max_size() const { return size_type(-1); }
- bool empty() const { return size() == 0; }
+ template <class _Val, class _Key, class _HashFcn,
+ class _ExtractKey, class _EqualKey, class _Alloc>
+ struct _Hashtable_const_iterator;
- void swap(hashtable& __ht)
+ template <class _Val, class _Key, class _HashFcn,
+ class _ExtractKey, class _EqualKey, class _Alloc>
+ struct _Hashtable_iterator
+ {
+ typedef hashtable<_Val, _Key, _HashFcn, _ExtractKey, _EqualKey, _Alloc>
+ _Hashtable;
+ typedef _Hashtable_iterator<_Val, _Key, _HashFcn,
+ _ExtractKey, _EqualKey, _Alloc>
+ iterator;
+ typedef _Hashtable_const_iterator<_Val, _Key, _HashFcn,
+ _ExtractKey, _EqualKey, _Alloc>
+ const_iterator;
+ typedef _Hashtable_node<_Val> _Node;
+ typedef forward_iterator_tag iterator_category;
+ typedef _Val value_type;
+ typedef ptrdiff_t difference_type;
+ typedef size_t size_type;
+ typedef _Val& reference;
+ typedef _Val* pointer;
+
+ _Node* _M_cur;
+ _Hashtable* _M_ht;
+
+ _Hashtable_iterator(_Node* __n, _Hashtable* __tab)
+ : _M_cur(__n), _M_ht(__tab) {}
+
+ _Hashtable_iterator() {}
+
+ reference
+ operator*() const
+ { return _M_cur->_M_val; }
+
+ pointer
+ operator->() const
+ { return &(operator*()); }
+
+ iterator&
+ operator++();
+
+ iterator
+ operator++(int);
+
+ bool
+ operator==(const iterator& __it) const
+ { return _M_cur == __it._M_cur; }
+
+ bool
+ operator!=(const iterator& __it) const
+ { return _M_cur != __it._M_cur; }
+ };
+
+ template <class _Val, class _Key, class _HashFcn,
+ class _ExtractKey, class _EqualKey, class _Alloc>
+ struct _Hashtable_const_iterator
+ {
+ typedef hashtable<_Val, _Key, _HashFcn, _ExtractKey, _EqualKey, _Alloc>
+ _Hashtable;
+ typedef _Hashtable_iterator<_Val,_Key,_HashFcn,
+ _ExtractKey,_EqualKey,_Alloc>
+ iterator;
+ typedef _Hashtable_const_iterator<_Val, _Key, _HashFcn,
+ _ExtractKey, _EqualKey, _Alloc>
+ const_iterator;
+ typedef _Hashtable_node<_Val> _Node;
+
+ typedef forward_iterator_tag iterator_category;
+ typedef _Val value_type;
+ typedef ptrdiff_t difference_type;
+ typedef size_t size_type;
+ typedef const _Val& reference;
+ typedef const _Val* pointer;
+
+ const _Node* _M_cur;
+ const _Hashtable* _M_ht;
+
+ _Hashtable_const_iterator(const _Node* __n, const _Hashtable* __tab)
+ : _M_cur(__n), _M_ht(__tab) {}
+
+ _Hashtable_const_iterator() {}
+
+ _Hashtable_const_iterator(const iterator& __it)
+ : _M_cur(__it._M_cur), _M_ht(__it._M_ht) {}
+
+ reference
+ operator*() const
+ { return _M_cur->_M_val; }
+
+ pointer
+ operator->() const
+ { return &(operator*()); }
+
+ const_iterator&
+ operator++();
+
+ const_iterator
+ operator++(int);
+
+ bool
+ operator==(const const_iterator& __it) const
+ { return _M_cur == __it._M_cur; }
+
+ bool
+ operator!=(const const_iterator& __it) const
+ { return _M_cur != __it._M_cur; }
+ };
+
+ // Note: assumes long is at least 32 bits.
+ enum { _S_num_primes = 28 };
+
+ static const unsigned long __stl_prime_list[_S_num_primes] =
+ {
+ 53ul, 97ul, 193ul, 389ul, 769ul,
+ 1543ul, 3079ul, 6151ul, 12289ul, 24593ul,
+ 49157ul, 98317ul, 196613ul, 393241ul, 786433ul,
+ 1572869ul, 3145739ul, 6291469ul, 12582917ul, 25165843ul,
+ 50331653ul, 100663319ul, 201326611ul, 402653189ul, 805306457ul,
+ 1610612741ul, 3221225473ul, 4294967291ul
+ };
+
+ inline unsigned long
+ __stl_next_prime(unsigned long __n)
{
- std::swap(_M_hash, __ht._M_hash);
- std::swap(_M_equals, __ht._M_equals);
- std::swap(_M_get_key, __ht._M_get_key);
- _M_buckets.swap(__ht._M_buckets);
- std::swap(_M_num_elements, __ht._M_num_elements);
+ const unsigned long* __first = __stl_prime_list;
+ const unsigned long* __last = __stl_prime_list + (int)_S_num_primes;
+ const unsigned long* pos = std::lower_bound(__first, __last, __n);
+ return pos == __last ? *(__last - 1) : *pos;
}
- iterator begin()
- {
- for (size_type __n = 0; __n < _M_buckets.size(); ++__n)
- if (_M_buckets[__n])
- return iterator(_M_buckets[__n], this);
- return end();
- }
+ // Forward declaration of operator==.
+
+ template <class _Val, class _Key, class _HF, class _Ex,
+ class _Eq, class _All>
+ class hashtable;
+
+ template <class _Val, class _Key, class _HF, class _Ex,
+ class _Eq, class _All>
+ bool
+ operator==(const hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>& __ht1,
+ const hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>& __ht2);
+
+ // 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 _HashFcn,
+ class _ExtractKey, class _EqualKey, class _Alloc>
+ class hashtable
+ {
+ public:
+ typedef _Key key_type;
+ typedef _Val value_type;
+ typedef _HashFcn hasher;
+ typedef _EqualKey key_equal;
+
+ typedef size_t size_type;
+ typedef ptrdiff_t difference_type;
+ typedef value_type* pointer;
+ typedef const value_type* const_pointer;
+ typedef value_type& reference;
+ typedef const value_type& const_reference;
+
+ hasher
+ hash_funct() const
+ { return _M_hash; }
+
+ key_equal
+ key_eq() const
+ { return _M_equals; }
+
+ private:
+ typedef _Hashtable_node<_Val> _Node;
+
+ public:
+ typedef _Alloc allocator_type;
+ allocator_type
+ get_allocator() const
+ { return _M_node_allocator; }
+
+ private:
+ typedef typename _Alloc::template rebind<_Node>::other _Node_Alloc;
+ typedef typename _Alloc::template rebind<_Node*>::other _Nodeptr_Alloc;
+ typedef vector<_Node*, _Nodeptr_Alloc> _Vector_type;
+
+ _Node_Alloc _M_node_allocator;
+
+ _Node*
+ _M_get_node()
+ { return _M_node_allocator.allocate(1); }
+
+ void
+ _M_put_node(_Node* __p)
+ { _M_node_allocator.deallocate(__p, 1); }
+
+ private:
+ hasher _M_hash;
+ key_equal _M_equals;
+ _ExtractKey _M_get_key;
+ _Vector_type _M_buckets;
+ size_type _M_num_elements;
+
+ public:
+ typedef _Hashtable_iterator<_Val, _Key, _HashFcn, _ExtractKey,
+ _EqualKey, _Alloc>
+ iterator;
+ typedef _Hashtable_const_iterator<_Val, _Key, _HashFcn, _ExtractKey,
+ _EqualKey, _Alloc>
+ const_iterator;
+
+ friend struct
+ _Hashtable_iterator<_Val, _Key, _HashFcn, _ExtractKey, _EqualKey, _Alloc>;
+
+ friend struct
+ _Hashtable_const_iterator<_Val, _Key, _HashFcn, _ExtractKey,
+ _EqualKey, _Alloc>;
+
+ public:
+ hashtable(size_type __n, const _HashFcn& __hf,
+ const _EqualKey& __eql, const _ExtractKey& __ext,
+ const allocator_type& __a = allocator_type())
+ : _M_node_allocator(__a), _M_hash(__hf), _M_equals(__eql),
+ _M_get_key(__ext), _M_buckets(__a), _M_num_elements(0)
+ { _M_initialize_buckets(__n); }
+
+ hashtable(size_type __n, const _HashFcn& __hf,
+ const _EqualKey& __eql,
+ const allocator_type& __a = allocator_type())
+ : _M_node_allocator(__a), _M_hash(__hf), _M_equals(__eql),
+ _M_get_key(_ExtractKey()), _M_buckets(__a), _M_num_elements(0)
+ { _M_initialize_buckets(__n); }
+
+ hashtable(const hashtable& __ht)
+ : _M_node_allocator(__ht.get_allocator()), _M_hash(__ht._M_hash),
+ _M_equals(__ht._M_equals), _M_get_key(__ht._M_get_key),
+ _M_buckets(__ht.get_allocator()), _M_num_elements(0)
+ { _M_copy_from(__ht); }
+
+ hashtable&
+ operator= (const hashtable& __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;
+ }
- iterator end() { return iterator(0, this); }
+ ~hashtable()
+ { clear(); }
- const_iterator begin() const
- {
- for (size_type __n = 0; __n < _M_buckets.size(); ++__n)
- if (_M_buckets[__n])
- return const_iterator(_M_buckets[__n], this);
- return end();
- }
+ size_type
+ size() const
+ { return _M_num_elements; }
- const_iterator end() const { return const_iterator(0, this); }
+ size_type
+ max_size() const
+ { return size_type(-1); }
- template <class _Vl, class _Ky, class _HF, class _Ex, class _Eq, class _Al>
- friend bool operator== (const hashtable<_Vl, _Ky, _HF, _Ex, _Eq, _Al>&,
- const hashtable<_Vl, _Ky, _HF, _Ex, _Eq, _Al>&);
-public:
+ bool
+ empty() const
+ { return size() == 0; }
- size_type bucket_count() const { return _M_buckets.size(); }
+ void
+ swap(hashtable& __ht)
+ {
+ std::swap(_M_hash, __ht._M_hash);
+ std::swap(_M_equals, __ht._M_equals);
+ std::swap(_M_get_key, __ht._M_get_key);
+ _M_buckets.swap(__ht._M_buckets);
+ std::swap(_M_num_elements, __ht._M_num_elements);
+ }
- size_type max_bucket_count() const
- { return __stl_prime_list[(int)_S_num_primes - 1]; }
+ iterator
+ begin()
+ {
+ for (size_type __n = 0; __n < _M_buckets.size(); ++__n)
+ if (_M_buckets[__n])
+ return iterator(_M_buckets[__n], this);
+ return end();
+ }
- size_type elems_in_bucket(size_type __bucket) const
- {
- size_type __result = 0;
- for (_Node* __cur = _M_buckets[__bucket]; __cur; __cur = __cur->_M_next)
- __result += 1;
- return __result;
- }
+ iterator
+ end()
+ { return iterator(0, this); }
- pair<iterator, bool> insert_unique(const value_type& __obj)
- {
- resize(_M_num_elements + 1);
- return insert_unique_noresize(__obj);
- }
+ const_iterator
+ begin() const
+ {
+ for (size_type __n = 0; __n < _M_buckets.size(); ++__n)
+ if (_M_buckets[__n])
+ return const_iterator(_M_buckets[__n], this);
+ return end();
+ }
- iterator insert_equal(const value_type& __obj)
- {
- resize(_M_num_elements + 1);
- return insert_equal_noresize(__obj);
- }
+ const_iterator
+ end() const
+ { return const_iterator(0, this); }
- pair<iterator, bool> insert_unique_noresize(const value_type& __obj);
- iterator insert_equal_noresize(const value_type& __obj);
+ template <class _Vl, class _Ky, class _HF, class _Ex, class _Eq,
+ class _Al>
+ friend bool
+ operator==(const hashtable<_Vl, _Ky, _HF, _Ex, _Eq, _Al>&,
+ const hashtable<_Vl, _Ky, _HF, _Ex, _Eq, _Al>&);
- template <class _InputIterator>
- void insert_unique(_InputIterator __f, _InputIterator __l)
- {
- insert_unique(__f, __l, __iterator_category(__f));
- }
+ public:
+ size_type
+ bucket_count() const
+ { return _M_buckets.size(); }
- template <class _InputIterator>
- void insert_equal(_InputIterator __f, _InputIterator __l)
- {
- insert_equal(__f, __l, __iterator_category(__f));
- }
+ size_type
+ max_bucket_count() const
+ { return __stl_prime_list[(int)_S_num_primes - 1]; }
- template <class _InputIterator>
- void insert_unique(_InputIterator __f, _InputIterator __l,
- input_iterator_tag)
- {
- for ( ; __f != __l; ++__f)
- insert_unique(*__f);
- }
+ size_type
+ elems_in_bucket(size_type __bucket) const
+ {
+ size_type __result = 0;
+ for (_Node* __cur = _M_buckets[__bucket]; __cur; __cur = __cur->_M_next)
+ __result += 1;
+ return __result;
+ }
- template <class _InputIterator>
- void insert_equal(_InputIterator __f, _InputIterator __l,
- input_iterator_tag)
- {
- for ( ; __f != __l; ++__f)
- insert_equal(*__f);
- }
+ pair<iterator, bool>
+ insert_unique(const value_type& __obj)
+ {
+ resize(_M_num_elements + 1);
+ return insert_unique_noresize(__obj);
+ }
- template <class _ForwardIterator>
- void insert_unique(_ForwardIterator __f, _ForwardIterator __l,
- forward_iterator_tag)
- {
- size_type __n = distance(__f, __l);
- resize(_M_num_elements + __n);
- for ( ; __n > 0; --__n, ++__f)
- insert_unique_noresize(*__f);
- }
+ iterator
+ insert_equal(const value_type& __obj)
+ {
+ resize(_M_num_elements + 1);
+ return insert_equal_noresize(__obj);
+ }
- template <class _ForwardIterator>
- void insert_equal(_ForwardIterator __f, _ForwardIterator __l,
- forward_iterator_tag)
- {
- size_type __n = distance(__f, __l);
- resize(_M_num_elements + __n);
- for ( ; __n > 0; --__n, ++__f)
- insert_equal_noresize(*__f);
- }
+ pair<iterator, bool>
+ insert_unique_noresize(const value_type& __obj);
- reference find_or_insert(const value_type& __obj);
+ iterator
+ insert_equal_noresize(const value_type& __obj);
- iterator find(const key_type& __key)
- {
- size_type __n = _M_bkt_num_key(__key);
- _Node* __first;
- for ( __first = _M_buckets[__n];
- __first && !_M_equals(_M_get_key(__first->_M_val), __key);
- __first = __first->_M_next)
- {}
- return iterator(__first, this);
- }
+ template <class _InputIterator>
+ void
+ insert_unique(_InputIterator __f, _InputIterator __l)
+ { insert_unique(__f, __l, __iterator_category(__f)); }
- const_iterator find(const key_type& __key) const
- {
- size_type __n = _M_bkt_num_key(__key);
- const _Node* __first;
- for ( __first = _M_buckets[__n];
- __first && !_M_equals(_M_get_key(__first->_M_val), __key);
- __first = __first->_M_next)
- {}
- return const_iterator(__first, this);
- }
+ template <class _InputIterator>
+ void
+ insert_equal(_InputIterator __f, _InputIterator __l)
+ { insert_equal(__f, __l, __iterator_category(__f)); }
- size_type count(const key_type& __key) const
- {
- const size_type __n = _M_bkt_num_key(__key);
- size_type __result = 0;
+ template <class _InputIterator>
+ void
+ insert_unique(_InputIterator __f, _InputIterator __l,
+ input_iterator_tag)
+ {
+ for ( ; __f != __l; ++__f)
+ insert_unique(*__f);
+ }
+
+ template <class _InputIterator>
+ void
+ insert_equal(_InputIterator __f, _InputIterator __l,
+ input_iterator_tag)
+ {
+ for ( ; __f != __l; ++__f)
+ insert_equal(*__f);
+ }
+
+ template <class _ForwardIterator>
+ void
+ insert_unique(_ForwardIterator __f, _ForwardIterator __l,
+ 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,
+ forward_iterator_tag)
+ {
+ size_type __n = distance(__f, __l);
+ resize(_M_num_elements + __n);
+ for ( ; __n > 0; --__n, ++__f)
+ insert_equal_noresize(*__f);
+ }
- for (const _Node* __cur = _M_buckets[__n]; __cur; __cur = __cur->_M_next)
- if (_M_equals(_M_get_key(__cur->_M_val), __key))
- ++__result;
- return __result;
- }
+ reference
+ find_or_insert(const value_type& __obj);
- pair<iterator, iterator>
- equal_range(const key_type& __key);
+ iterator
+ find(const key_type& __key)
+ {
+ size_type __n = _M_bkt_num_key(__key);
+ _Node* __first;
+ for (__first = _M_buckets[__n];
+ __first && !_M_equals(_M_get_key(__first->_M_val), __key);
+ __first = __first->_M_next)
+ {}
+ return iterator(__first, this);
+ }
- pair<const_iterator, const_iterator>
- equal_range(const key_type& __key) const;
+ const_iterator
+ find(const key_type& __key) const
+ {
+ size_type __n = _M_bkt_num_key(__key);
+ const _Node* __first;
+ for (__first = _M_buckets[__n];
+ __first && !_M_equals(_M_get_key(__first->_M_val), __key);
+ __first = __first->_M_next)
+ {}
+ return const_iterator(__first, this);
+ }
- size_type erase(const key_type& __key);
- void erase(const iterator& __it);
- void erase(iterator __first, iterator __last);
+ size_type
+ count(const key_type& __key) const
+ {
+ const size_type __n = _M_bkt_num_key(__key);
+ size_type __result = 0;
+
+ for (const _Node* __cur = _M_buckets[__n]; __cur;
+ __cur = __cur->_M_next)
+ if (_M_equals(_M_get_key(__cur->_M_val), __key))
+ ++__result;
+ return __result;
+ }
- void erase(const const_iterator& __it);
- void erase(const_iterator __first, const_iterator __last);
+ pair<iterator, iterator>
+ equal_range(const key_type& __key);
- void resize(size_type __num_elements_hint);
- void clear();
+ pair<const_iterator, const_iterator>
+ equal_range(const key_type& __key) const;
-private:
- size_type _M_next_size(size_type __n) const
- { return __stl_next_prime(__n); }
+ size_type
+ erase(const key_type& __key);
+
+ void
+ erase(const iterator& __it);
- void _M_initialize_buckets(size_type __n)
- {
- const size_type __n_buckets = _M_next_size(__n);
- _M_buckets.reserve(__n_buckets);
- _M_buckets.insert(_M_buckets.end(), __n_buckets, (_Node*) 0);
- _M_num_elements = 0;
- }
+ void
+ erase(iterator __first, iterator __last);
- size_type _M_bkt_num_key(const key_type& __key) const
- {
- return _M_bkt_num_key(__key, _M_buckets.size());
- }
+ void
+ erase(const const_iterator& __it);
- size_type _M_bkt_num(const value_type& __obj) const
- {
- return _M_bkt_num_key(_M_get_key(__obj));
- }
+ void
+ erase(const_iterator __first, const_iterator __last);
- size_type _M_bkt_num_key(const key_type& __key, size_t __n) const
- {
- return _M_hash(__key) % __n;
- }
+ void
+ resize(size_type __num_elements_hint);
- size_type _M_bkt_num(const value_type& __obj, size_t __n) const
- {
- return _M_bkt_num_key(_M_get_key(__obj), __n);
- }
+ void
+ clear();
- _Node* _M_new_node(const value_type& __obj)
- {
- _Node* __n = _M_get_node();
- __n->_M_next = 0;
- try {
- _Construct(&__n->_M_val, __obj);
- return __n;
- }
- catch(...)
+ private:
+ size_type
+ _M_next_size(size_type __n) const
+ { return __stl_next_prime(__n); }
+
+ void
+ _M_initialize_buckets(size_type __n)
{
- _M_put_node(__n);
- __throw_exception_again;
+ const size_type __n_buckets = _M_next_size(__n);
+ _M_buckets.reserve(__n_buckets);
+ _M_buckets.insert(_M_buckets.end(), __n_buckets, (_Node*) 0);
+ _M_num_elements = 0;
}
- }
- void _M_delete_node(_Node* __n)
- {
- _Destroy(&__n->_M_val);
- _M_put_node(__n);
- }
-
- void _M_erase_bucket(const size_type __n, _Node* __first, _Node* __last);
- void _M_erase_bucket(const size_type __n, _Node* __last);
+ size_type
+ _M_bkt_num_key(const key_type& __key) const
+ { return _M_bkt_num_key(__key, _M_buckets.size()); }
- void _M_copy_from(const hashtable& __ht);
+ size_type
+ _M_bkt_num(const value_type& __obj) const
+ { return _M_bkt_num_key(_M_get_key(__obj)); }
-};
+ size_type
+ _M_bkt_num_key(const key_type& __key, size_t __n) const
+ { return _M_hash(__key) % __n; }
-template <class _Val, class _Key, class _HF, class _ExK, class _EqK,
- class _All>
-_Hashtable_iterator<_Val,_Key,_HF,_ExK,_EqK,_All>&
-_Hashtable_iterator<_Val,_Key,_HF,_ExK,_EqK,_All>::operator++()
-{
- const _Node* __old = _M_cur;
- _M_cur = _M_cur->_M_next;
- if (!_M_cur) {
- size_type __bucket = _M_ht->_M_bkt_num(__old->_M_val);
- while (!_M_cur && ++__bucket < _M_ht->_M_buckets.size())
- _M_cur = _M_ht->_M_buckets[__bucket];
- }
- return *this;
-}
+ size_type
+ _M_bkt_num(const value_type& __obj, size_t __n) const
+ { return _M_bkt_num_key(_M_get_key(__obj), __n); }
-template <class _Val, class _Key, class _HF, class _ExK, class _EqK,
- class _All>
-inline _Hashtable_iterator<_Val,_Key,_HF,_ExK,_EqK,_All>
-_Hashtable_iterator<_Val,_Key,_HF,_ExK,_EqK,_All>::operator++(int)
-{
- iterator __tmp = *this;
- ++*this;
- return __tmp;
-}
-
-template <class _Val, class _Key, class _HF, class _ExK, class _EqK,
- class _All>
-_Hashtable_const_iterator<_Val,_Key,_HF,_ExK,_EqK,_All>&
-_Hashtable_const_iterator<_Val,_Key,_HF,_ExK,_EqK,_All>::operator++()
-{
- const _Node* __old = _M_cur;
- _M_cur = _M_cur->_M_next;
- if (!_M_cur) {
- size_type __bucket = _M_ht->_M_bkt_num(__old->_M_val);
- while (!_M_cur && ++__bucket < _M_ht->_M_buckets.size())
- _M_cur = _M_ht->_M_buckets[__bucket];
- }
- return *this;
-}
+ _Node*
+ _M_new_node(const value_type& __obj)
+ {
+ _Node* __n = _M_get_node();
+ __n->_M_next = 0;
+ try
+ {
+ _Construct(&__n->_M_val, __obj);
+ return __n;
+ }
+ catch(...)
+ {
+ _M_put_node(__n);
+ __throw_exception_again;
+ }
+ }
-template <class _Val, class _Key, class _HF, class _ExK, class _EqK,
- class _All>
-inline _Hashtable_const_iterator<_Val,_Key,_HF,_ExK,_EqK,_All>
-_Hashtable_const_iterator<_Val,_Key,_HF,_ExK,_EqK,_All>::operator++(int)
-{
- const_iterator __tmp = *this;
- ++*this;
- return __tmp;
-}
-
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-bool operator==(const hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>& __ht1,
- const hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>& __ht2)
-{
- typedef typename hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::_Node _Node;
- if (__ht1._M_buckets.size() != __ht2._M_buckets.size())
- return false;
- for (size_t __n = 0; __n < __ht1._M_buckets.size(); ++__n) {
- _Node* __cur1 = __ht1._M_buckets[__n];
- _Node* __cur2 = __ht2._M_buckets[__n];
- // Check same length of lists
- for ( ; __cur1 && __cur2;
- __cur1 = __cur1->_M_next, __cur2 = __cur2->_M_next)
- {}
- if (__cur1 || __cur2)
- return false;
- // Now check one's elements are in the other
- for (__cur1 = __ht1._M_buckets[__n] ; __cur1; __cur1 = __cur1->_M_next)
- {
- bool _found__cur1 = false;
- for (_Node* __cur2 = __ht2._M_buckets[__n];
- __cur2; __cur2 = __cur2->_M_next)
+ void
+ _M_delete_node(_Node* __n)
{
- if (__cur1->_M_val == __cur2->_M_val)
- {
- _found__cur1 = true;
- break;
- }
+ _Destroy(&__n->_M_val);
+ _M_put_node(__n);
}
- if (!_found__cur1)
- return false;
+
+ void
+ _M_erase_bucket(const size_type __n, _Node* __first, _Node* __last);
+
+ void
+ _M_erase_bucket(const size_type __n, _Node* __last);
+
+ void
+ _M_copy_from(const hashtable& __ht);
+ };
+
+ template <class _Val, class _Key, class _HF, class _ExK, class _EqK,
+ class _All>
+ _Hashtable_iterator<_Val, _Key, _HF, _ExK, _EqK, _All>&
+ _Hashtable_iterator<_Val, _Key, _HF, _ExK, _EqK, _All>::
+ operator++()
+ {
+ const _Node* __old = _M_cur;
+ _M_cur = _M_cur->_M_next;
+ if (!_M_cur)
+ {
+ size_type __bucket = _M_ht->_M_bkt_num(__old->_M_val);
+ while (!_M_cur && ++__bucket < _M_ht->_M_buckets.size())
+ _M_cur = _M_ht->_M_buckets[__bucket];
+ }
+ return *this;
}
- }
- return true;
-}
-
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-inline bool operator!=(const hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>& __ht1,
- const hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>& __ht2) {
- return !(__ht1 == __ht2);
-}
-
-template <class _Val, class _Key, class _HF, class _Extract, class _EqKey,
- class _All>
-inline void swap(hashtable<_Val, _Key, _HF, _Extract, _EqKey, _All>& __ht1,
- hashtable<_Val, _Key, _HF, _Extract, _EqKey, _All>& __ht2) {
- __ht1.swap(__ht2);
-}
-
-
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-pair<typename hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::iterator, bool>
-hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>
- ::insert_unique_noresize(const value_type& __obj)
-{
- const size_type __n = _M_bkt_num(__obj);
- _Node* __first = _M_buckets[__n];
-
- for (_Node* __cur = __first; __cur; __cur = __cur->_M_next)
- if (_M_equals(_M_get_key(__cur->_M_val), _M_get_key(__obj)))
- return pair<iterator, bool>(iterator(__cur, this), false);
-
- _Node* __tmp = _M_new_node(__obj);
- __tmp->_M_next = __first;
- _M_buckets[__n] = __tmp;
- ++_M_num_elements;
- return pair<iterator, bool>(iterator(__tmp, this), true);
-}
-
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-typename hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::iterator
-hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>
- ::insert_equal_noresize(const value_type& __obj)
-{
- const size_type __n = _M_bkt_num(__obj);
- _Node* __first = _M_buckets[__n];
- for (_Node* __cur = __first; __cur; __cur = __cur->_M_next)
- if (_M_equals(_M_get_key(__cur->_M_val), _M_get_key(__obj))) {
- _Node* __tmp = _M_new_node(__obj);
- __tmp->_M_next = __cur->_M_next;
- __cur->_M_next = __tmp;
- ++_M_num_elements;
- return iterator(__tmp, this);
+ template <class _Val, class _Key, class _HF, class _ExK, class _EqK,
+ class _All>
+ inline _Hashtable_iterator<_Val, _Key, _HF, _ExK, _EqK, _All>
+ _Hashtable_iterator<_Val, _Key, _HF, _ExK, _EqK, _All>::
+ operator++(int)
+ {
+ iterator __tmp = *this;
+ ++*this;
+ return __tmp;
}
- _Node* __tmp = _M_new_node(__obj);
- __tmp->_M_next = __first;
- _M_buckets[__n] = __tmp;
- ++_M_num_elements;
- return iterator(__tmp, this);
-}
+ template <class _Val, class _Key, class _HF, class _ExK, class _EqK,
+ class _All>
+ _Hashtable_const_iterator<_Val, _Key, _HF, _ExK, _EqK, _All>&
+ _Hashtable_const_iterator<_Val, _Key, _HF, _ExK, _EqK, _All>::
+ operator++()
+ {
+ const _Node* __old = _M_cur;
+ _M_cur = _M_cur->_M_next;
+ if (!_M_cur)
+ {
+ size_type __bucket = _M_ht->_M_bkt_num(__old->_M_val);
+ while (!_M_cur && ++__bucket < _M_ht->_M_buckets.size())
+ _M_cur = _M_ht->_M_buckets[__bucket];
+ }
+ return *this;
+ }
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-typename hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::reference
-hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::find_or_insert(const value_type& __obj)
-{
- resize(_M_num_elements + 1);
-
- size_type __n = _M_bkt_num(__obj);
- _Node* __first = _M_buckets[__n];
-
- for (_Node* __cur = __first; __cur; __cur = __cur->_M_next)
- if (_M_equals(_M_get_key(__cur->_M_val), _M_get_key(__obj)))
- return __cur->_M_val;
-
- _Node* __tmp = _M_new_node(__obj);
- __tmp->_M_next = __first;
- _M_buckets[__n] = __tmp;
- ++_M_num_elements;
- return __tmp->_M_val;
-}
-
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-pair<typename hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::iterator,
- typename hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::iterator>
-hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::equal_range(const key_type& __key)
-{
- typedef pair<iterator, iterator> _Pii;
- const size_type __n = _M_bkt_num_key(__key);
-
- for (_Node* __first = _M_buckets[__n]; __first; __first = __first->_M_next)
- if (_M_equals(_M_get_key(__first->_M_val), __key)) {
- for (_Node* __cur = __first->_M_next; __cur; __cur = __cur->_M_next)
- if (!_M_equals(_M_get_key(__cur->_M_val), __key))
- return _Pii(iterator(__first, this), iterator(__cur, this));
- for (size_type __m = __n + 1; __m < _M_buckets.size(); ++__m)
- if (_M_buckets[__m])
- return _Pii(iterator(__first, this),
- iterator(_M_buckets[__m], this));
- return _Pii(iterator(__first, this), end());
+ template <class _Val, class _Key, class _HF, class _ExK, class _EqK,
+ class _All>
+ inline _Hashtable_const_iterator<_Val, _Key, _HF, _ExK, _EqK, _All>
+ _Hashtable_const_iterator<_Val, _Key, _HF, _ExK, _EqK, _All>::
+ operator++(int)
+ {
+ const_iterator __tmp = *this;
+ ++*this;
+ return __tmp;
}
- return _Pii(end(), end());
-}
-
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-pair<typename hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::const_iterator,
- typename hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::const_iterator>
-hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>
- ::equal_range(const key_type& __key) const
-{
- typedef pair<const_iterator, const_iterator> _Pii;
- const size_type __n = _M_bkt_num_key(__key);
-
- for (const _Node* __first = _M_buckets[__n] ;
- __first;
- __first = __first->_M_next) {
- if (_M_equals(_M_get_key(__first->_M_val), __key)) {
- for (const _Node* __cur = __first->_M_next;
- __cur;
- __cur = __cur->_M_next)
- if (!_M_equals(_M_get_key(__cur->_M_val), __key))
- return _Pii(const_iterator(__first, this),
- const_iterator(__cur, this));
- for (size_type __m = __n + 1; __m < _M_buckets.size(); ++__m)
- if (_M_buckets[__m])
- return _Pii(const_iterator(__first, this),
- const_iterator(_M_buckets[__m], this));
- return _Pii(const_iterator(__first, this), end());
+
+ template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+ bool
+ operator==(const hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>& __ht1,
+ const hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>& __ht2)
+ {
+ typedef typename hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::_Node _Node;
+
+ if (__ht1._M_buckets.size() != __ht2._M_buckets.size())
+ return false;
+
+ for (size_t __n = 0; __n < __ht1._M_buckets.size(); ++__n)
+ {
+ _Node* __cur1 = __ht1._M_buckets[__n];
+ _Node* __cur2 = __ht2._M_buckets[__n];
+ // Check same length of lists
+ for (; __cur1 && __cur2;
+ __cur1 = __cur1->_M_next, __cur2 = __cur2->_M_next)
+ {}
+ if (__cur1 || __cur2)
+ return false;
+ // Now check one's elements are in the other
+ for (__cur1 = __ht1._M_buckets[__n] ; __cur1;
+ __cur1 = __cur1->_M_next)
+ {
+ bool _found__cur1 = false;
+ for (_Node* __cur2 = __ht2._M_buckets[__n];
+ __cur2; __cur2 = __cur2->_M_next)
+ {
+ if (__cur1->_M_val == __cur2->_M_val)
+ {
+ _found__cur1 = true;
+ break;
+ }
+ }
+ if (!_found__cur1)
+ return false;
+ }
+ }
+ return true;
}
- }
- return _Pii(end(), end());
-}
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-typename hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::size_type
-hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::erase(const key_type& __key)
-{
- const size_type __n = _M_bkt_num_key(__key);
- _Node* __first = _M_buckets[__n];
- size_type __erased = 0;
-
- if (__first) {
- _Node* __cur = __first;
- _Node* __next = __cur->_M_next;
- while (__next) {
- if (_M_equals(_M_get_key(__next->_M_val), __key)) {
- __cur->_M_next = __next->_M_next;
- _M_delete_node(__next);
- __next = __cur->_M_next;
- ++__erased;
- --_M_num_elements;
- }
- else {
- __cur = __next;
- __next = __cur->_M_next;
- }
+ template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+ inline bool
+ operator!=(const hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>& __ht1,
+ const hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>& __ht2)
+ { return !(__ht1 == __ht2); }
+
+ template <class _Val, class _Key, class _HF, class _Extract, class _EqKey,
+ class _All>
+ inline void
+ swap(hashtable<_Val, _Key, _HF, _Extract, _EqKey, _All>& __ht1,
+ hashtable<_Val, _Key, _HF, _Extract, _EqKey, _All>& __ht2)
+ { __ht1.swap(__ht2); }
+
+ template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+ pair<typename hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::iterator, bool>
+ hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::
+ insert_unique_noresize(const value_type& __obj)
+ {
+ const size_type __n = _M_bkt_num(__obj);
+ _Node* __first = _M_buckets[__n];
+
+ for (_Node* __cur = __first; __cur; __cur = __cur->_M_next)
+ if (_M_equals(_M_get_key(__cur->_M_val), _M_get_key(__obj)))
+ return pair<iterator, bool>(iterator(__cur, this), false);
+
+ _Node* __tmp = _M_new_node(__obj);
+ __tmp->_M_next = __first;
+ _M_buckets[__n] = __tmp;
+ ++_M_num_elements;
+ return pair<iterator, bool>(iterator(__tmp, this), true);
}
- if (_M_equals(_M_get_key(__first->_M_val), __key)) {
- _M_buckets[__n] = __first->_M_next;
- _M_delete_node(__first);
- ++__erased;
- --_M_num_elements;
+
+ template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+ typename hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::iterator
+ hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::
+ insert_equal_noresize(const value_type& __obj)
+ {
+ const size_type __n = _M_bkt_num(__obj);
+ _Node* __first = _M_buckets[__n];
+
+ for (_Node* __cur = __first; __cur; __cur = __cur->_M_next)
+ if (_M_equals(_M_get_key(__cur->_M_val), _M_get_key(__obj)))
+ {
+ _Node* __tmp = _M_new_node(__obj);
+ __tmp->_M_next = __cur->_M_next;
+ __cur->_M_next = __tmp;
+ ++_M_num_elements;
+ return iterator(__tmp, this);
+ }
+
+ _Node* __tmp = _M_new_node(__obj);
+ __tmp->_M_next = __first;
+ _M_buckets[__n] = __tmp;
+ ++_M_num_elements;
+ return iterator(__tmp, this);
}
- }
- return __erased;
-}
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-void hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::erase(const iterator& __it)
-{
- _Node* __p = __it._M_cur;
- if (__p) {
- const size_type __n = _M_bkt_num(__p->_M_val);
- _Node* __cur = _M_buckets[__n];
-
- if (__cur == __p) {
- _M_buckets[__n] = __cur->_M_next;
- _M_delete_node(__cur);
- --_M_num_elements;
+ template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+ typename hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::reference
+ hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::
+ find_or_insert(const value_type& __obj)
+ {
+ resize(_M_num_elements + 1);
+
+ size_type __n = _M_bkt_num(__obj);
+ _Node* __first = _M_buckets[__n];
+
+ for (_Node* __cur = __first; __cur; __cur = __cur->_M_next)
+ if (_M_equals(_M_get_key(__cur->_M_val), _M_get_key(__obj)))
+ return __cur->_M_val;
+
+ _Node* __tmp = _M_new_node(__obj);
+ __tmp->_M_next = __first;
+ _M_buckets[__n] = __tmp;
+ ++_M_num_elements;
+ return __tmp->_M_val;
}
- else {
- _Node* __next = __cur->_M_next;
- while (__next) {
- if (__next == __p) {
- __cur->_M_next = __next->_M_next;
- _M_delete_node(__next);
- --_M_num_elements;
- break;
- }
- else {
- __cur = __next;
- __next = __cur->_M_next;
- }
- }
+
+ template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+ pair<typename hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::iterator,
+ typename hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::iterator>
+ hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::
+ equal_range(const key_type& __key)
+ {
+ typedef pair<iterator, iterator> _Pii;
+ const size_type __n = _M_bkt_num_key(__key);
+
+ for (_Node* __first = _M_buckets[__n]; __first;
+ __first = __first->_M_next)
+ if (_M_equals(_M_get_key(__first->_M_val), __key))
+ {
+ for (_Node* __cur = __first->_M_next; __cur;
+ __cur = __cur->_M_next)
+ if (!_M_equals(_M_get_key(__cur->_M_val), __key))
+ return _Pii(iterator(__first, this), iterator(__cur, this));
+ for (size_type __m = __n + 1; __m < _M_buckets.size(); ++__m)
+ if (_M_buckets[__m])
+ return _Pii(iterator(__first, this),
+ iterator(_M_buckets[__m], this));
+ return _Pii(iterator(__first, this), end());
+ }
+ return _Pii(end(), end());
}
- }
-}
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-void hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>
- ::erase(iterator __first, iterator __last)
-{
- size_type __f_bucket = __first._M_cur ?
- _M_bkt_num(__first._M_cur->_M_val) : _M_buckets.size();
- size_type __l_bucket = __last._M_cur ?
- _M_bkt_num(__last._M_cur->_M_val) : _M_buckets.size();
-
- if (__first._M_cur == __last._M_cur)
- return;
- else if (__f_bucket == __l_bucket)
- _M_erase_bucket(__f_bucket, __first._M_cur, __last._M_cur);
- else {
- _M_erase_bucket(__f_bucket, __first._M_cur, 0);
- for (size_type __n = __f_bucket + 1; __n < __l_bucket; ++__n)
- _M_erase_bucket(__n, 0);
- if (__l_bucket != _M_buckets.size())
- _M_erase_bucket(__l_bucket, __last._M_cur);
- }
-}
+ template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+ pair<typename hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::const_iterator,
+ typename hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::const_iterator>
+ hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::
+ equal_range(const key_type& __key) const
+ {
+ typedef pair<const_iterator, const_iterator> _Pii;
+ const size_type __n = _M_bkt_num_key(__key);
+
+ for (const _Node* __first = _M_buckets[__n]; __first;
+ __first = __first->_M_next)
+ {
+ if (_M_equals(_M_get_key(__first->_M_val), __key))
+ {
+ for (const _Node* __cur = __first->_M_next; __cur;
+ __cur = __cur->_M_next)
+ if (!_M_equals(_M_get_key(__cur->_M_val), __key))
+ return _Pii(const_iterator(__first, this),
+ const_iterator(__cur, this));
+ for (size_type __m = __n + 1; __m < _M_buckets.size(); ++__m)
+ if (_M_buckets[__m])
+ return _Pii(const_iterator(__first, this),
+ const_iterator(_M_buckets[__m], this));
+ return _Pii(const_iterator(__first, this), end());
+ }
+ }
+ return _Pii(end(), end());
+ }
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-inline void
-hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::erase(const_iterator __first,
- const_iterator __last)
-{
- erase(iterator(const_cast<_Node*>(__first._M_cur),
- const_cast<hashtable*>(__first._M_ht)),
- iterator(const_cast<_Node*>(__last._M_cur),
- const_cast<hashtable*>(__last._M_ht)));
-}
-
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-inline void
-hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::erase(const const_iterator& __it)
-{
- erase(iterator(const_cast<_Node*>(__it._M_cur),
- const_cast<hashtable*>(__it._M_ht)));
-}
+ template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+ typename hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::size_type
+ hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::
+ erase(const key_type& __key)
+ {
+ const size_type __n = _M_bkt_num_key(__key);
+ _Node* __first = _M_buckets[__n];
+ size_type __erased = 0;
+
+ if (__first)
+ {
+ _Node* __cur = __first;
+ _Node* __next = __cur->_M_next;
+ while (__next)
+ {
+ if (_M_equals(_M_get_key(__next->_M_val), __key))
+ {
+ __cur->_M_next = __next->_M_next;
+ _M_delete_node(__next);
+ __next = __cur->_M_next;
+ ++__erased;
+ --_M_num_elements;
+ }
+ else
+ {
+ __cur = __next;
+ __next = __cur->_M_next;
+ }
+ }
+ if (_M_equals(_M_get_key(__first->_M_val), __key))
+ {
+ _M_buckets[__n] = __first->_M_next;
+ _M_delete_node(__first);
+ ++__erased;
+ --_M_num_elements;
+ }
+ }
+ return __erased;
+ }
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-void hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>
- ::resize(size_type __num_elements_hint)
-{
- const size_type __old_n = _M_buckets.size();
- if (__num_elements_hint > __old_n) {
- const size_type __n = _M_next_size(__num_elements_hint);
- if (__n > __old_n) {
- _Vector_type __tmp(__n, (_Node*)(0), _M_buckets.get_allocator());
- try {
- for (size_type __bucket = 0; __bucket < __old_n; ++__bucket) {
- _Node* __first = _M_buckets[__bucket];
- while (__first) {
- size_type __new_bucket = _M_bkt_num(__first->_M_val, __n);
- _M_buckets[__bucket] = __first->_M_next;
- __first->_M_next = __tmp[__new_bucket];
- __tmp[__new_bucket] = __first;
- __first = _M_buckets[__bucket];
- }
- }
- _M_buckets.swap(__tmp);
- }
- catch(...) {
- for (size_type __bucket = 0; __bucket < __tmp.size(); ++__bucket) {
- while (__tmp[__bucket]) {
- _Node* __next = __tmp[__bucket]->_M_next;
- _M_delete_node(__tmp[__bucket]);
- __tmp[__bucket] = __next;
- }
- }
- __throw_exception_again;
- }
+ template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+ void hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::
+ erase(const iterator& __it)
+ {
+ _Node* __p = __it._M_cur;
+ if (__p)
+ {
+ const size_type __n = _M_bkt_num(__p->_M_val);
+ _Node* __cur = _M_buckets[__n];
+
+ if (__cur == __p)
+ {
+ _M_buckets[__n] = __cur->_M_next;
+ _M_delete_node(__cur);
+ --_M_num_elements;
+ }
+ else
+ {
+ _Node* __next = __cur->_M_next;
+ while (__next)
+ {
+ if (__next == __p)
+ {
+ __cur->_M_next = __next->_M_next;
+ _M_delete_node(__next);
+ --_M_num_elements;
+ break;
+ }
+ else
+ {
+ __cur = __next;
+ __next = __cur->_M_next;
+ }
+ }
+ }
+ }
}
- }
-}
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-void hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>
- ::_M_erase_bucket(const size_type __n, _Node* __first, _Node* __last)
-{
- _Node* __cur = _M_buckets[__n];
- if (__cur == __first)
- _M_erase_bucket(__n, __last);
- else {
- _Node* __next;
- for (__next = __cur->_M_next;
- __next != __first;
- __cur = __next, __next = __cur->_M_next)
- ;
- while (__next != __last) {
- __cur->_M_next = __next->_M_next;
- _M_delete_node(__next);
- __next = __cur->_M_next;
- --_M_num_elements;
+ template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+ void
+ hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::
+ erase(iterator __first, iterator __last)
+ {
+ size_type __f_bucket = __first._M_cur ? _M_bkt_num(__first._M_cur->_M_val)
+ : _M_buckets.size();
+
+ size_type __l_bucket = __last._M_cur ? _M_bkt_num(__last._M_cur->_M_val)
+ : _M_buckets.size();
+
+ if (__first._M_cur == __last._M_cur)
+ return;
+ else if (__f_bucket == __l_bucket)
+ _M_erase_bucket(__f_bucket, __first._M_cur, __last._M_cur);
+ else
+ {
+ _M_erase_bucket(__f_bucket, __first._M_cur, 0);
+ for (size_type __n = __f_bucket + 1; __n < __l_bucket; ++__n)
+ _M_erase_bucket(__n, 0);
+ if (__l_bucket != _M_buckets.size())
+ _M_erase_bucket(__l_bucket, __last._M_cur);
+ }
}
- }
-}
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-void hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>
- ::_M_erase_bucket(const size_type __n, _Node* __last)
-{
- _Node* __cur = _M_buckets[__n];
- while (__cur != __last) {
- _Node* __next = __cur->_M_next;
- _M_delete_node(__cur);
- __cur = __next;
- _M_buckets[__n] = __cur;
- --_M_num_elements;
- }
-}
+ template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+ inline void
+ hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::
+ erase(const_iterator __first, const_iterator __last)
+ {
+ erase(iterator(const_cast<_Node*>(__first._M_cur),
+ const_cast<hashtable*>(__first._M_ht)),
+ iterator(const_cast<_Node*>(__last._M_cur),
+ const_cast<hashtable*>(__last._M_ht)));
+ }
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-void hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::clear()
-{
- for (size_type __i = 0; __i < _M_buckets.size(); ++__i) {
- _Node* __cur = _M_buckets[__i];
- while (__cur != 0) {
- _Node* __next = __cur->_M_next;
- _M_delete_node(__cur);
- __cur = __next;
+ template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+ inline void
+ hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::
+ erase(const const_iterator& __it)
+ { erase(iterator(const_cast<_Node*>(__it._M_cur),
+ const_cast<hashtable*>(__it._M_ht))); }
+
+ template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+ void
+ hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::
+ resize(size_type __num_elements_hint)
+ {
+ const size_type __old_n = _M_buckets.size();
+ if (__num_elements_hint > __old_n)
+ {
+ const size_type __n = _M_next_size(__num_elements_hint);
+ if (__n > __old_n)
+ {
+ _Vector_type __tmp(__n, (_Node*)(0), _M_buckets.get_allocator());
+ try
+ {
+ for (size_type __bucket = 0; __bucket < __old_n; ++__bucket)
+ {
+ _Node* __first = _M_buckets[__bucket];
+ while (__first)
+ {
+ size_type __new_bucket = _M_bkt_num(__first->_M_val,
+ __n);
+ _M_buckets[__bucket] = __first->_M_next;
+ __first->_M_next = __tmp[__new_bucket];
+ __tmp[__new_bucket] = __first;
+ __first = _M_buckets[__bucket];
+ }
+ }
+ _M_buckets.swap(__tmp);
+ }
+ catch(...)
+ {
+ for (size_type __bucket = 0; __bucket < __tmp.size();
+ ++__bucket)
+ {
+ while (__tmp[__bucket])
+ {
+ _Node* __next = __tmp[__bucket]->_M_next;
+ _M_delete_node(__tmp[__bucket]);
+ __tmp[__bucket] = __next;
+ }
+ }
+ __throw_exception_again;
+ }
+ }
+ }
}
- _M_buckets[__i] = 0;
- }
- _M_num_elements = 0;
-}
+ template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+ void
+ hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::
+ _M_erase_bucket(const size_type __n, _Node* __first, _Node* __last)
+ {
+ _Node* __cur = _M_buckets[__n];
+ if (__cur == __first)
+ _M_erase_bucket(__n, __last);
+ else
+ {
+ _Node* __next;
+ for (__next = __cur->_M_next;
+ __next != __first;
+ __cur = __next, __next = __cur->_M_next)
+ ;
+ while (__next != __last)
+ {
+ __cur->_M_next = __next->_M_next;
+ _M_delete_node(__next);
+ __next = __cur->_M_next;
+ --_M_num_elements;
+ }
+ }
+ }
-template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
-void hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>
- ::_M_copy_from(const hashtable& __ht)
-{
- _M_buckets.clear();
- _M_buckets.reserve(__ht._M_buckets.size());
- _M_buckets.insert(_M_buckets.end(), __ht._M_buckets.size(), (_Node*) 0);
- try {
- for (size_type __i = 0; __i < __ht._M_buckets.size(); ++__i) {
- const _Node* __cur = __ht._M_buckets[__i];
- if (__cur) {
- _Node* __local_copy = _M_new_node(__cur->_M_val);
- _M_buckets[__i] = __local_copy;
-
- for (_Node* __next = __cur->_M_next;
- __next;
- __cur = __next, __next = __cur->_M_next) {
- __local_copy->_M_next = _M_new_node(__next->_M_val);
- __local_copy = __local_copy->_M_next;
- }
- }
+ template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+ void
+ hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::
+ _M_erase_bucket(const size_type __n, _Node* __last)
+ {
+ _Node* __cur = _M_buckets[__n];
+ while (__cur != __last)
+ {
+ _Node* __next = __cur->_M_next;
+ _M_delete_node(__cur);
+ __cur = __next;
+ _M_buckets[__n] = __cur;
+ --_M_num_elements;
+ }
}
- _M_num_elements = __ht._M_num_elements;
- }
- catch(...)
+
+ template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+ void
+ hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::
+ clear()
{
- clear();
- __throw_exception_again;
+ for (size_type __i = 0; __i < _M_buckets.size(); ++__i)
+ {
+ _Node* __cur = _M_buckets[__i];
+ while (__cur != 0)
+ {
+ _Node* __next = __cur->_M_next;
+ _M_delete_node(__cur);
+ __cur = __next;
+ }
+ _M_buckets[__i] = 0;
+ }
+ _M_num_elements = 0;
+ }
+
+ template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
+ void
+ hashtable<_Val, _Key, _HF, _Ex, _Eq, _All>::
+ _M_copy_from(const hashtable& __ht)
+ {
+ _M_buckets.clear();
+ _M_buckets.reserve(__ht._M_buckets.size());
+ _M_buckets.insert(_M_buckets.end(), __ht._M_buckets.size(), (_Node*) 0);
+ try
+ {
+ for (size_type __i = 0; __i < __ht._M_buckets.size(); ++__i) {
+ const _Node* __cur = __ht._M_buckets[__i];
+ if (__cur)
+ {
+ _Node* __local_copy = _M_new_node(__cur->_M_val);
+ _M_buckets[__i] = __local_copy;
+
+ for (_Node* __next = __cur->_M_next;
+ __next;
+ __cur = __next, __next = __cur->_M_next)
+ {
+ __local_copy->_M_next = _M_new_node(__next->_M_val);
+ __local_copy = __local_copy->_M_next;
+ }
+ }
+ }
+ _M_num_elements = __ht._M_num_elements;
+ }
+ catch(...)
+ {
+ clear();
+ __throw_exception_again;
+ }
}
-}
} // namespace __gnu_cxx
#endif
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