| // -*- C++ -*- |
| //===-------------------------- hash_map ----------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef _LIBCPP_HASH_MAP |
| #define _LIBCPP_HASH_MAP |
| |
| /* |
| |
| hash_map synopsis |
| |
| namespace __gnu_cxx |
| { |
| |
| template <class Key, class T, class Hash = hash<Key>, class Pred = equal_to<Key>, |
| class Alloc = allocator<pair<const Key, T>>> |
| class hash_map |
| { |
| public: |
| // types |
| typedef Key key_type; |
| typedef T mapped_type; |
| typedef Hash hasher; |
| typedef Pred key_equal; |
| typedef Alloc allocator_type; |
| typedef pair<const key_type, mapped_type> value_type; |
| typedef value_type& reference; |
| typedef const value_type& const_reference; |
| typedef typename allocator_traits<allocator_type>::pointer pointer; |
| typedef typename allocator_traits<allocator_type>::const_pointer const_pointer; |
| typedef typename allocator_traits<allocator_type>::size_type size_type; |
| typedef typename allocator_traits<allocator_type>::difference_type difference_type; |
| |
| typedef /unspecified/ iterator; |
| typedef /unspecified/ const_iterator; |
| |
| hash_map(); |
| explicit hash_map(size_type n, const hasher& hf = hasher(), |
| const key_equal& eql = key_equal(), |
| const allocator_type& a = allocator_type()); |
| template <class InputIterator> |
| hash_map(InputIterator f, InputIterator l); |
| template <class InputIterator> |
| hash_map(InputIterator f, InputIterator l, |
| size_type n, const hasher& hf = hasher(), |
| const key_equal& eql = key_equal(), |
| const allocator_type& a = allocator_type()); |
| hash_map(const hash_map&); |
| ~hash_map(); |
| hash_map& operator=(const hash_map&); |
| |
| allocator_type get_allocator() const; |
| |
| bool empty() const; |
| size_type size() const; |
| size_type max_size() const; |
| |
| iterator begin(); |
| iterator end(); |
| const_iterator begin() const; |
| const_iterator end() const; |
| |
| pair<iterator, bool> insert(const value_type& obj); |
| template <class InputIterator> |
| void insert(InputIterator first, InputIterator last); |
| |
| void erase(const_iterator position); |
| size_type erase(const key_type& k); |
| void erase(const_iterator first, const_iterator last); |
| void clear(); |
| |
| void swap(hash_map&); |
| |
| hasher hash_funct() const; |
| key_equal key_eq() const; |
| |
| iterator find(const key_type& k); |
| const_iterator find(const key_type& k) const; |
| size_type count(const key_type& k) const; |
| pair<iterator, iterator> equal_range(const key_type& k); |
| pair<const_iterator, const_iterator> equal_range(const key_type& k) const; |
| |
| mapped_type& operator[](const key_type& k); |
| |
| size_type bucket_count() const; |
| size_type max_bucket_count() const; |
| |
| size_type elems_in_bucket(size_type n) const; |
| |
| void resize(size_type n); |
| }; |
| |
| template <class Key, class T, class Hash, class Pred, class Alloc> |
| void swap(hash_map<Key, T, Hash, Pred, Alloc>& x, |
| hash_map<Key, T, Hash, Pred, Alloc>& y); |
| |
| template <class Key, class T, class Hash, class Pred, class Alloc> |
| bool |
| operator==(const hash_map<Key, T, Hash, Pred, Alloc>& x, |
| const hash_map<Key, T, Hash, Pred, Alloc>& y); |
| |
| template <class Key, class T, class Hash, class Pred, class Alloc> |
| bool |
| operator!=(const hash_map<Key, T, Hash, Pred, Alloc>& x, |
| const hash_map<Key, T, Hash, Pred, Alloc>& y); |
| |
| template <class Key, class T, class Hash = hash<Key>, class Pred = equal_to<Key>, |
| class Alloc = allocator<pair<const Key, T>>> |
| class hash_multimap |
| { |
| public: |
| // types |
| typedef Key key_type; |
| typedef T mapped_type; |
| typedef Hash hasher; |
| typedef Pred key_equal; |
| typedef Alloc allocator_type; |
| typedef pair<const key_type, mapped_type> value_type; |
| typedef value_type& reference; |
| typedef const value_type& const_reference; |
| typedef typename allocator_traits<allocator_type>::pointer pointer; |
| typedef typename allocator_traits<allocator_type>::const_pointer const_pointer; |
| typedef typename allocator_traits<allocator_type>::size_type size_type; |
| typedef typename allocator_traits<allocator_type>::difference_type difference_type; |
| |
| typedef /unspecified/ iterator; |
| typedef /unspecified/ const_iterator; |
| |
| explicit hash_multimap(size_type n = 193, const hasher& hf = hasher(), |
| const key_equal& eql = key_equal(), |
| const allocator_type& a = allocator_type()); |
| template <class InputIterator> |
| hash_multimap(InputIterator f, InputIterator l, |
| size_type n = 193, const hasher& hf = hasher(), |
| const key_equal& eql = key_equal(), |
| const allocator_type& a = allocator_type()); |
| explicit hash_multimap(const allocator_type&); |
| hash_multimap(const hash_multimap&); |
| ~hash_multimap(); |
| hash_multimap& operator=(const hash_multimap&); |
| |
| allocator_type get_allocator() const; |
| |
| bool empty() const; |
| size_type size() const; |
| size_type max_size() const; |
| |
| iterator begin(); |
| iterator end(); |
| const_iterator begin() const; |
| const_iterator end() const; |
| |
| iterator insert(const value_type& obj); |
| template <class InputIterator> |
| void insert(InputIterator first, InputIterator last); |
| |
| void erase(const_iterator position); |
| size_type erase(const key_type& k); |
| void erase(const_iterator first, const_iterator last); |
| void clear(); |
| |
| void swap(hash_multimap&); |
| |
| hasher hash_funct() const; |
| key_equal key_eq() const; |
| |
| iterator find(const key_type& k); |
| const_iterator find(const key_type& k) const; |
| size_type count(const key_type& k) const; |
| pair<iterator, iterator> equal_range(const key_type& k); |
| pair<const_iterator, const_iterator> equal_range(const key_type& k) const; |
| |
| size_type bucket_count() const; |
| size_type max_bucket_count() const; |
| |
| size_type elems_in_bucket(size_type n) const; |
| |
| void resize(size_type n); |
| }; |
| |
| template <class Key, class T, class Hash, class Pred, class Alloc> |
| void swap(hash_multimap<Key, T, Hash, Pred, Alloc>& x, |
| hash_multimap<Key, T, Hash, Pred, Alloc>& y); |
| |
| template <class Key, class T, class Hash, class Pred, class Alloc> |
| bool |
| operator==(const hash_multimap<Key, T, Hash, Pred, Alloc>& x, |
| const hash_multimap<Key, T, Hash, Pred, Alloc>& y); |
| |
| template <class Key, class T, class Hash, class Pred, class Alloc> |
| bool |
| operator!=(const hash_multimap<Key, T, Hash, Pred, Alloc>& x, |
| const hash_multimap<Key, T, Hash, Pred, Alloc>& y); |
| |
| } // __gnu_cxx |
| |
| */ |
| |
| #include <__config> |
| #include <__hash_table> |
| #include <functional> |
| #include <stdexcept> |
| #include <type_traits> |
| #include <ext/__hash> |
| |
| #if __DEPRECATED |
| #if defined(_LIBCPP_WARNING) |
| _LIBCPP_WARNING("Use of the header <ext/hash_map> is deprecated. Migrate to <unordered_map>") |
| #else |
| # warning Use of the header <ext/hash_map> is deprecated. Migrate to <unordered_map> |
| #endif |
| #endif |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| #pragma GCC system_header |
| #endif |
| |
| namespace __gnu_cxx { |
| |
| template <class _Tp, class _Hash, |
| bool = std::is_empty<_Hash>::value && !std::__libcpp_is_final<_Hash>::value |
| > |
| class __hash_map_hasher |
| : private _Hash |
| { |
| public: |
| _LIBCPP_INLINE_VISIBILITY __hash_map_hasher() : _Hash() {} |
| _LIBCPP_INLINE_VISIBILITY __hash_map_hasher(const _Hash& __h) : _Hash(__h) {} |
| _LIBCPP_INLINE_VISIBILITY const _Hash& hash_function() const {return *this;} |
| _LIBCPP_INLINE_VISIBILITY |
| size_t operator()(const _Tp& __x) const |
| {return static_cast<const _Hash&>(*this)(__x.first);} |
| _LIBCPP_INLINE_VISIBILITY |
| size_t operator()(const typename _Tp::first_type& __x) const |
| {return static_cast<const _Hash&>(*this)(__x);} |
| }; |
| |
| template <class _Tp, class _Hash> |
| class __hash_map_hasher<_Tp, _Hash, false> |
| { |
| _Hash __hash_; |
| public: |
| _LIBCPP_INLINE_VISIBILITY __hash_map_hasher() : __hash_() {} |
| _LIBCPP_INLINE_VISIBILITY __hash_map_hasher(const _Hash& __h) : __hash_(__h) {} |
| _LIBCPP_INLINE_VISIBILITY const _Hash& hash_function() const {return __hash_;} |
| _LIBCPP_INLINE_VISIBILITY |
| size_t operator()(const _Tp& __x) const |
| {return __hash_(__x.first);} |
| _LIBCPP_INLINE_VISIBILITY |
| size_t operator()(const typename _Tp::first_type& __x) const |
| {return __hash_(__x);} |
| }; |
| |
| template <class _Tp, class _Pred, |
| bool = std::is_empty<_Pred>::value && !std::__libcpp_is_final<_Pred>::value |
| > |
| class __hash_map_equal |
| : private _Pred |
| { |
| public: |
| _LIBCPP_INLINE_VISIBILITY __hash_map_equal() : _Pred() {} |
| _LIBCPP_INLINE_VISIBILITY __hash_map_equal(const _Pred& __p) : _Pred(__p) {} |
| _LIBCPP_INLINE_VISIBILITY const _Pred& key_eq() const {return *this;} |
| _LIBCPP_INLINE_VISIBILITY |
| bool operator()(const _Tp& __x, const _Tp& __y) const |
| {return static_cast<const _Pred&>(*this)(__x.first, __y.first);} |
| _LIBCPP_INLINE_VISIBILITY |
| bool operator()(const typename _Tp::first_type& __x, const _Tp& __y) const |
| {return static_cast<const _Pred&>(*this)(__x, __y.first);} |
| _LIBCPP_INLINE_VISIBILITY |
| bool operator()(const _Tp& __x, const typename _Tp::first_type& __y) const |
| {return static_cast<const _Pred&>(*this)(__x.first, __y);} |
| _LIBCPP_INLINE_VISIBILITY |
| bool operator()(const typename _Tp::first_type& __x, |
| const typename _Tp::first_type& __y) const |
| {return static_cast<const _Pred&>(*this)(__x, __y);} |
| }; |
| |
| template <class _Tp, class _Pred> |
| class __hash_map_equal<_Tp, _Pred, false> |
| { |
| _Pred __pred_; |
| public: |
| _LIBCPP_INLINE_VISIBILITY __hash_map_equal() : __pred_() {} |
| _LIBCPP_INLINE_VISIBILITY __hash_map_equal(const _Pred& __p) : __pred_(__p) {} |
| _LIBCPP_INLINE_VISIBILITY const _Pred& key_eq() const {return __pred_;} |
| _LIBCPP_INLINE_VISIBILITY |
| bool operator()(const _Tp& __x, const _Tp& __y) const |
| {return __pred_(__x.first, __y.first);} |
| _LIBCPP_INLINE_VISIBILITY |
| bool operator()(const typename _Tp::first_type& __x, const _Tp& __y) const |
| {return __pred_(__x, __y.first);} |
| _LIBCPP_INLINE_VISIBILITY |
| bool operator()(const _Tp& __x, const typename _Tp::first_type& __y) const |
| {return __pred_(__x.first, __y);} |
| _LIBCPP_INLINE_VISIBILITY |
| bool operator()(const typename _Tp::first_type& __x, |
| const typename _Tp::first_type& __y) const |
| {return __pred_(__x, __y);} |
| }; |
| |
| template <class _Alloc> |
| class __hash_map_node_destructor |
| { |
| typedef _Alloc allocator_type; |
| typedef std::allocator_traits<allocator_type> __alloc_traits; |
| typedef typename __alloc_traits::value_type::__node_value_type value_type; |
| public: |
| typedef typename __alloc_traits::pointer pointer; |
| private: |
| typedef typename value_type::first_type first_type; |
| typedef typename value_type::second_type second_type; |
| |
| allocator_type& __na_; |
| |
| public: |
| bool __first_constructed; |
| bool __second_constructed; |
| |
| __hash_map_node_destructor(__hash_map_node_destructor const&) = default; |
| __hash_map_node_destructor& operator=(const __hash_map_node_destructor&) = delete; |
| |
| _LIBCPP_INLINE_VISIBILITY |
| explicit __hash_map_node_destructor(allocator_type& __na) |
| : __na_(__na), |
| __first_constructed(false), |
| __second_constructed(false) |
| {} |
| |
| #ifndef _LIBCPP_CXX03_LANG |
| _LIBCPP_INLINE_VISIBILITY |
| __hash_map_node_destructor(std::__hash_node_destructor<allocator_type>&& __x) |
| : __na_(__x.__na_), |
| __first_constructed(__x.__value_constructed), |
| __second_constructed(__x.__value_constructed) |
| { |
| __x.__value_constructed = false; |
| } |
| #else // _LIBCPP_CXX03_LANG |
| _LIBCPP_INLINE_VISIBILITY |
| __hash_map_node_destructor(const std::__hash_node_destructor<allocator_type>& __x) |
| : __na_(__x.__na_), |
| __first_constructed(__x.__value_constructed), |
| __second_constructed(__x.__value_constructed) |
| { |
| const_cast<bool&>(__x.__value_constructed) = false; |
| } |
| #endif // _LIBCPP_CXX03_LANG |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void operator()(pointer __p) |
| { |
| if (__second_constructed) |
| __alloc_traits::destroy(__na_, _VSTD::addressof(__p->__value_.second)); |
| if (__first_constructed) |
| __alloc_traits::destroy(__na_, _VSTD::addressof(__p->__value_.first)); |
| if (__p) |
| __alloc_traits::deallocate(__na_, __p, 1); |
| } |
| }; |
| |
| template <class _HashIterator> |
| class _LIBCPP_TEMPLATE_VIS __hash_map_iterator |
| { |
| _HashIterator __i_; |
| |
| typedef const typename _HashIterator::value_type::first_type key_type; |
| typedef typename _HashIterator::value_type::second_type mapped_type; |
| public: |
| typedef std::forward_iterator_tag iterator_category; |
| typedef std::pair<key_type, mapped_type> value_type; |
| typedef typename _HashIterator::difference_type difference_type; |
| typedef value_type& reference; |
| typedef typename std::__rebind_pointer<typename _HashIterator::pointer, value_type>::type |
| pointer; |
| |
| _LIBCPP_INLINE_VISIBILITY __hash_map_iterator() {} |
| |
| _LIBCPP_INLINE_VISIBILITY __hash_map_iterator(_HashIterator __i) : __i_(__i) {} |
| |
| _LIBCPP_INLINE_VISIBILITY reference operator*() const {return *operator->();} |
| _LIBCPP_INLINE_VISIBILITY pointer operator->() const {return (pointer)__i_.operator->();} |
| |
| _LIBCPP_INLINE_VISIBILITY __hash_map_iterator& operator++() {++__i_; return *this;} |
| _LIBCPP_INLINE_VISIBILITY |
| __hash_map_iterator operator++(int) |
| { |
| __hash_map_iterator __t(*this); |
| ++(*this); |
| return __t; |
| } |
| |
| friend _LIBCPP_INLINE_VISIBILITY |
| bool operator==(const __hash_map_iterator& __x, const __hash_map_iterator& __y) |
| {return __x.__i_ == __y.__i_;} |
| friend _LIBCPP_INLINE_VISIBILITY |
| bool operator!=(const __hash_map_iterator& __x, const __hash_map_iterator& __y) |
| {return __x.__i_ != __y.__i_;} |
| |
| template <class, class, class, class, class> friend class _LIBCPP_TEMPLATE_VIS hash_map; |
| template <class, class, class, class, class> friend class _LIBCPP_TEMPLATE_VIS hash_multimap; |
| template <class> friend class _LIBCPP_TEMPLATE_VIS __hash_const_iterator; |
| template <class> friend class _LIBCPP_TEMPLATE_VIS __hash_const_local_iterator; |
| template <class> friend class _LIBCPP_TEMPLATE_VIS __hash_map_const_iterator; |
| }; |
| |
| template <class _HashIterator> |
| class _LIBCPP_TEMPLATE_VIS __hash_map_const_iterator |
| { |
| _HashIterator __i_; |
| |
| typedef const typename _HashIterator::value_type::first_type key_type; |
| typedef typename _HashIterator::value_type::second_type mapped_type; |
| public: |
| typedef std::forward_iterator_tag iterator_category; |
| typedef std::pair<key_type, mapped_type> value_type; |
| typedef typename _HashIterator::difference_type difference_type; |
| typedef const value_type& reference; |
| typedef typename std::__rebind_pointer<typename _HashIterator::pointer, const value_type>::type |
| pointer; |
| |
| _LIBCPP_INLINE_VISIBILITY __hash_map_const_iterator() {} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| __hash_map_const_iterator(_HashIterator __i) : __i_(__i) {} |
| _LIBCPP_INLINE_VISIBILITY |
| __hash_map_const_iterator( |
| __hash_map_iterator<typename _HashIterator::__non_const_iterator> __i) |
| : __i_(__i.__i_) {} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| reference operator*() const {return *operator->();} |
| _LIBCPP_INLINE_VISIBILITY |
| pointer operator->() const {return (pointer)__i_.operator->();} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| __hash_map_const_iterator& operator++() {++__i_; return *this;} |
| _LIBCPP_INLINE_VISIBILITY |
| __hash_map_const_iterator operator++(int) |
| { |
| __hash_map_const_iterator __t(*this); |
| ++(*this); |
| return __t; |
| } |
| |
| friend _LIBCPP_INLINE_VISIBILITY |
| bool operator==(const __hash_map_const_iterator& __x, const __hash_map_const_iterator& __y) |
| {return __x.__i_ == __y.__i_;} |
| friend _LIBCPP_INLINE_VISIBILITY |
| bool operator!=(const __hash_map_const_iterator& __x, const __hash_map_const_iterator& __y) |
| {return __x.__i_ != __y.__i_;} |
| |
| template <class, class, class, class, class> friend class _LIBCPP_TEMPLATE_VIS hash_map; |
| template <class, class, class, class, class> friend class _LIBCPP_TEMPLATE_VIS hash_multimap; |
| template <class> friend class _LIBCPP_TEMPLATE_VIS __hash_const_iterator; |
| template <class> friend class _LIBCPP_TEMPLATE_VIS __hash_const_local_iterator; |
| }; |
| |
| template <class _Key, class _Tp, class _Hash = hash<_Key>, class _Pred = std::equal_to<_Key>, |
| class _Alloc = std::allocator<std::pair<const _Key, _Tp> > > |
| class _LIBCPP_TEMPLATE_VIS hash_map |
| { |
| public: |
| // types |
| typedef _Key key_type; |
| typedef _Tp mapped_type; |
| typedef _Tp data_type; |
| typedef _Hash hasher; |
| typedef _Pred key_equal; |
| typedef _Alloc allocator_type; |
| typedef std::pair<const key_type, mapped_type> value_type; |
| typedef value_type& reference; |
| typedef const value_type& const_reference; |
| |
| private: |
| typedef std::pair<key_type, mapped_type> __value_type; |
| typedef __hash_map_hasher<__value_type, hasher> __hasher; |
| typedef __hash_map_equal<__value_type, key_equal> __key_equal; |
| typedef typename std::__rebind_alloc_helper< |
| std::allocator_traits<allocator_type>, __value_type>::type __allocator_type; |
| |
| typedef std::__hash_table<__value_type, __hasher, |
| __key_equal, __allocator_type> __table; |
| |
| __table __table_; |
| |
| typedef typename __table::__node_pointer __node_pointer; |
| typedef typename __table::__node_const_pointer __node_const_pointer; |
| typedef typename __table::__node_traits __node_traits; |
| typedef typename __table::__node_allocator __node_allocator; |
| typedef typename __table::__node __node; |
| typedef __hash_map_node_destructor<__node_allocator> _Dp; |
| typedef std::unique_ptr<__node, _Dp> __node_holder; |
| typedef std::allocator_traits<allocator_type> __alloc_traits; |
| public: |
| typedef typename __alloc_traits::pointer pointer; |
| typedef typename __alloc_traits::const_pointer const_pointer; |
| typedef typename __alloc_traits::size_type size_type; |
| typedef typename __alloc_traits::difference_type difference_type; |
| |
| typedef __hash_map_iterator<typename __table::iterator> iterator; |
| typedef __hash_map_const_iterator<typename __table::const_iterator> const_iterator; |
| |
| _LIBCPP_INLINE_VISIBILITY hash_map() { } |
| explicit hash_map(size_type __n, const hasher& __hf = hasher(), |
| const key_equal& __eql = key_equal()); |
| hash_map(size_type __n, const hasher& __hf, |
| const key_equal& __eql, |
| const allocator_type& __a); |
| template <class _InputIterator> |
| hash_map(_InputIterator __first, _InputIterator __last); |
| template <class _InputIterator> |
| hash_map(_InputIterator __first, _InputIterator __last, |
| size_type __n, const hasher& __hf = hasher(), |
| const key_equal& __eql = key_equal()); |
| template <class _InputIterator> |
| hash_map(_InputIterator __first, _InputIterator __last, |
| size_type __n, const hasher& __hf, |
| const key_equal& __eql, |
| const allocator_type& __a); |
| hash_map(const hash_map& __u); |
| |
| _LIBCPP_INLINE_VISIBILITY |
| allocator_type get_allocator() const |
| {return allocator_type(__table_.__node_alloc());} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| bool empty() const {return __table_.size() == 0;} |
| _LIBCPP_INLINE_VISIBILITY |
| size_type size() const {return __table_.size();} |
| _LIBCPP_INLINE_VISIBILITY |
| size_type max_size() const {return __table_.max_size();} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| iterator begin() {return __table_.begin();} |
| _LIBCPP_INLINE_VISIBILITY |
| iterator end() {return __table_.end();} |
| _LIBCPP_INLINE_VISIBILITY |
| const_iterator begin() const {return __table_.begin();} |
| _LIBCPP_INLINE_VISIBILITY |
| const_iterator end() const {return __table_.end();} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| std::pair<iterator, bool> insert(const value_type& __x) |
| {return __table_.__insert_unique(__x);} |
| _LIBCPP_INLINE_VISIBILITY |
| iterator insert(const_iterator, const value_type& __x) {return insert(__x).first;} |
| template <class _InputIterator> |
| _LIBCPP_INLINE_VISIBILITY |
| void insert(_InputIterator __first, _InputIterator __last); |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void erase(const_iterator __p) {__table_.erase(__p.__i_);} |
| _LIBCPP_INLINE_VISIBILITY |
| size_type erase(const key_type& __k) {return __table_.__erase_unique(__k);} |
| _LIBCPP_INLINE_VISIBILITY |
| void erase(const_iterator __first, const_iterator __last) |
| {__table_.erase(__first.__i_, __last.__i_);} |
| _LIBCPP_INLINE_VISIBILITY |
| void clear() {__table_.clear();} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void swap(hash_map& __u) {__table_.swap(__u.__table_);} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| hasher hash_funct() const |
| {return __table_.hash_function().hash_function();} |
| _LIBCPP_INLINE_VISIBILITY |
| key_equal key_eq() const |
| {return __table_.key_eq().key_eq();} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| iterator find(const key_type& __k) {return __table_.find(__k);} |
| _LIBCPP_INLINE_VISIBILITY |
| const_iterator find(const key_type& __k) const {return __table_.find(__k);} |
| _LIBCPP_INLINE_VISIBILITY |
| size_type count(const key_type& __k) const {return __table_.__count_unique(__k);} |
| _LIBCPP_INLINE_VISIBILITY |
| std::pair<iterator, iterator> equal_range(const key_type& __k) |
| {return __table_.__equal_range_unique(__k);} |
| _LIBCPP_INLINE_VISIBILITY |
| std::pair<const_iterator, const_iterator> equal_range(const key_type& __k) const |
| {return __table_.__equal_range_unique(__k);} |
| |
| mapped_type& operator[](const key_type& __k); |
| |
| _LIBCPP_INLINE_VISIBILITY |
| size_type bucket_count() const {return __table_.bucket_count();} |
| _LIBCPP_INLINE_VISIBILITY |
| size_type max_bucket_count() const {return __table_.max_bucket_count();} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| size_type elems_in_bucket(size_type __n) const |
| {return __table_.bucket_size(__n);} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void resize(size_type __n) {__table_.rehash(__n);} |
| |
| private: |
| __node_holder __construct_node(const key_type& __k); |
| }; |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| hash_map<_Key, _Tp, _Hash, _Pred, _Alloc>::hash_map( |
| size_type __n, const hasher& __hf, const key_equal& __eql) |
| : __table_(__hf, __eql) |
| { |
| __table_.rehash(__n); |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| hash_map<_Key, _Tp, _Hash, _Pred, _Alloc>::hash_map( |
| size_type __n, const hasher& __hf, const key_equal& __eql, |
| const allocator_type& __a) |
| : __table_(__hf, __eql, __a) |
| { |
| __table_.rehash(__n); |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| template <class _InputIterator> |
| hash_map<_Key, _Tp, _Hash, _Pred, _Alloc>::hash_map( |
| _InputIterator __first, _InputIterator __last) |
| { |
| insert(__first, __last); |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| template <class _InputIterator> |
| hash_map<_Key, _Tp, _Hash, _Pred, _Alloc>::hash_map( |
| _InputIterator __first, _InputIterator __last, size_type __n, |
| const hasher& __hf, const key_equal& __eql) |
| : __table_(__hf, __eql) |
| { |
| __table_.rehash(__n); |
| insert(__first, __last); |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| template <class _InputIterator> |
| hash_map<_Key, _Tp, _Hash, _Pred, _Alloc>::hash_map( |
| _InputIterator __first, _InputIterator __last, size_type __n, |
| const hasher& __hf, const key_equal& __eql, const allocator_type& __a) |
| : __table_(__hf, __eql, __a) |
| { |
| __table_.rehash(__n); |
| insert(__first, __last); |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| hash_map<_Key, _Tp, _Hash, _Pred, _Alloc>::hash_map( |
| const hash_map& __u) |
| : __table_(__u.__table_) |
| { |
| __table_.rehash(__u.bucket_count()); |
| insert(__u.begin(), __u.end()); |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| typename hash_map<_Key, _Tp, _Hash, _Pred, _Alloc>::__node_holder |
| hash_map<_Key, _Tp, _Hash, _Pred, _Alloc>::__construct_node(const key_type& __k) |
| { |
| __node_allocator& __na = __table_.__node_alloc(); |
| __node_holder __h(__node_traits::allocate(__na, 1), _Dp(__na)); |
| __node_traits::construct(__na, _VSTD::addressof(__h->__value_.first), __k); |
| __h.get_deleter().__first_constructed = true; |
| __node_traits::construct(__na, _VSTD::addressof(__h->__value_.second)); |
| __h.get_deleter().__second_constructed = true; |
| return _LIBCPP_EXPLICIT_MOVE(__h); // explicitly moved for C++03 |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| template <class _InputIterator> |
| inline |
| void |
| hash_map<_Key, _Tp, _Hash, _Pred, _Alloc>::insert(_InputIterator __first, |
| _InputIterator __last) |
| { |
| for (; __first != __last; ++__first) |
| __table_.__insert_unique(*__first); |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| _Tp& |
| hash_map<_Key, _Tp, _Hash, _Pred, _Alloc>::operator[](const key_type& __k) |
| { |
| iterator __i = find(__k); |
| if (__i != end()) |
| return __i->second; |
| __node_holder __h = __construct_node(__k); |
| std::pair<iterator, bool> __r = __table_.__node_insert_unique(__h.get()); |
| __h.release(); |
| return __r.first->second; |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| inline _LIBCPP_INLINE_VISIBILITY |
| void |
| swap(hash_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x, |
| hash_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __y) |
| { |
| __x.swap(__y); |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| bool |
| operator==(const hash_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x, |
| const hash_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __y) |
| { |
| if (__x.size() != __y.size()) |
| return false; |
| typedef typename hash_map<_Key, _Tp, _Hash, _Pred, _Alloc>::const_iterator |
| const_iterator; |
| for (const_iterator __i = __x.begin(), __ex = __x.end(), __ey = __y.end(); |
| __i != __ex; ++__i) |
| { |
| const_iterator __j = __y.find(__i->first); |
| if (__j == __ey || !(*__i == *__j)) |
| return false; |
| } |
| return true; |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| inline _LIBCPP_INLINE_VISIBILITY |
| bool |
| operator!=(const hash_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x, |
| const hash_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __y) |
| { |
| return !(__x == __y); |
| } |
| |
| template <class _Key, class _Tp, class _Hash = hash<_Key>, class _Pred = std::equal_to<_Key>, |
| class _Alloc = std::allocator<std::pair<const _Key, _Tp> > > |
| class _LIBCPP_TEMPLATE_VIS hash_multimap |
| { |
| public: |
| // types |
| typedef _Key key_type; |
| typedef _Tp mapped_type; |
| typedef _Tp data_type; |
| typedef _Hash hasher; |
| typedef _Pred key_equal; |
| typedef _Alloc allocator_type; |
| typedef std::pair<const key_type, mapped_type> value_type; |
| typedef value_type& reference; |
| typedef const value_type& const_reference; |
| |
| private: |
| typedef std::pair<key_type, mapped_type> __value_type; |
| typedef __hash_map_hasher<__value_type, hasher> __hasher; |
| typedef __hash_map_equal<__value_type, key_equal> __key_equal; |
| typedef typename std::__rebind_alloc_helper<std::allocator_traits<allocator_type>, __value_type>::type __allocator_type; |
| |
| typedef std::__hash_table<__value_type, __hasher, |
| __key_equal, __allocator_type> __table; |
| |
| __table __table_; |
| |
| typedef typename __table::__node_traits __node_traits; |
| typedef typename __table::__node_allocator __node_allocator; |
| typedef typename __table::__node __node; |
| typedef __hash_map_node_destructor<__node_allocator> _Dp; |
| typedef std::unique_ptr<__node, _Dp> __node_holder; |
| typedef std::allocator_traits<allocator_type> __alloc_traits; |
| public: |
| typedef typename __alloc_traits::pointer pointer; |
| typedef typename __alloc_traits::const_pointer const_pointer; |
| typedef typename __alloc_traits::size_type size_type; |
| typedef typename __alloc_traits::difference_type difference_type; |
| |
| typedef __hash_map_iterator<typename __table::iterator> iterator; |
| typedef __hash_map_const_iterator<typename __table::const_iterator> const_iterator; |
| |
| _LIBCPP_INLINE_VISIBILITY |
| hash_multimap() { } |
| explicit hash_multimap(size_type __n, const hasher& __hf = hasher(), |
| const key_equal& __eql = key_equal()); |
| hash_multimap(size_type __n, const hasher& __hf, |
| const key_equal& __eql, |
| const allocator_type& __a); |
| template <class _InputIterator> |
| hash_multimap(_InputIterator __first, _InputIterator __last); |
| template <class _InputIterator> |
| hash_multimap(_InputIterator __first, _InputIterator __last, |
| size_type __n, const hasher& __hf = hasher(), |
| const key_equal& __eql = key_equal()); |
| template <class _InputIterator> |
| hash_multimap(_InputIterator __first, _InputIterator __last, |
| size_type __n, const hasher& __hf, |
| const key_equal& __eql, |
| const allocator_type& __a); |
| hash_multimap(const hash_multimap& __u); |
| |
| _LIBCPP_INLINE_VISIBILITY |
| allocator_type get_allocator() const |
| {return allocator_type(__table_.__node_alloc());} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| bool empty() const {return __table_.size() == 0;} |
| _LIBCPP_INLINE_VISIBILITY |
| size_type size() const {return __table_.size();} |
| _LIBCPP_INLINE_VISIBILITY |
| size_type max_size() const {return __table_.max_size();} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| iterator begin() {return __table_.begin();} |
| _LIBCPP_INLINE_VISIBILITY |
| iterator end() {return __table_.end();} |
| _LIBCPP_INLINE_VISIBILITY |
| const_iterator begin() const {return __table_.begin();} |
| _LIBCPP_INLINE_VISIBILITY |
| const_iterator end() const {return __table_.end();} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| iterator insert(const value_type& __x) {return __table_.__insert_multi(__x);} |
| _LIBCPP_INLINE_VISIBILITY |
| iterator insert(const_iterator, const value_type& __x) {return insert(__x);} |
| template <class _InputIterator> |
| _LIBCPP_INLINE_VISIBILITY |
| void insert(_InputIterator __first, _InputIterator __last); |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void erase(const_iterator __p) {__table_.erase(__p.__i_);} |
| _LIBCPP_INLINE_VISIBILITY |
| size_type erase(const key_type& __k) {return __table_.__erase_multi(__k);} |
| _LIBCPP_INLINE_VISIBILITY |
| void erase(const_iterator __first, const_iterator __last) |
| {__table_.erase(__first.__i_, __last.__i_);} |
| _LIBCPP_INLINE_VISIBILITY |
| void clear() {__table_.clear();} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void swap(hash_multimap& __u) {__table_.swap(__u.__table_);} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| hasher hash_funct() const |
| {return __table_.hash_function().hash_function();} |
| _LIBCPP_INLINE_VISIBILITY |
| key_equal key_eq() const |
| {return __table_.key_eq().key_eq();} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| iterator find(const key_type& __k) {return __table_.find(__k);} |
| _LIBCPP_INLINE_VISIBILITY |
| const_iterator find(const key_type& __k) const {return __table_.find(__k);} |
| _LIBCPP_INLINE_VISIBILITY |
| size_type count(const key_type& __k) const {return __table_.__count_multi(__k);} |
| _LIBCPP_INLINE_VISIBILITY |
| std::pair<iterator, iterator> equal_range(const key_type& __k) |
| {return __table_.__equal_range_multi(__k);} |
| _LIBCPP_INLINE_VISIBILITY |
| std::pair<const_iterator, const_iterator> equal_range(const key_type& __k) const |
| {return __table_.__equal_range_multi(__k);} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| size_type bucket_count() const {return __table_.bucket_count();} |
| _LIBCPP_INLINE_VISIBILITY |
| size_type max_bucket_count() const {return __table_.max_bucket_count();} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| size_type elems_in_bucket(size_type __n) const |
| {return __table_.bucket_size(__n);} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void resize(size_type __n) {__table_.rehash(__n);} |
| }; |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| hash_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::hash_multimap( |
| size_type __n, const hasher& __hf, const key_equal& __eql) |
| : __table_(__hf, __eql) |
| { |
| __table_.rehash(__n); |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| hash_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::hash_multimap( |
| size_type __n, const hasher& __hf, const key_equal& __eql, |
| const allocator_type& __a) |
| : __table_(__hf, __eql, __a) |
| { |
| __table_.rehash(__n); |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| template <class _InputIterator> |
| hash_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::hash_multimap( |
| _InputIterator __first, _InputIterator __last) |
| { |
| insert(__first, __last); |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| template <class _InputIterator> |
| hash_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::hash_multimap( |
| _InputIterator __first, _InputIterator __last, size_type __n, |
| const hasher& __hf, const key_equal& __eql) |
| : __table_(__hf, __eql) |
| { |
| __table_.rehash(__n); |
| insert(__first, __last); |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| template <class _InputIterator> |
| hash_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::hash_multimap( |
| _InputIterator __first, _InputIterator __last, size_type __n, |
| const hasher& __hf, const key_equal& __eql, const allocator_type& __a) |
| : __table_(__hf, __eql, __a) |
| { |
| __table_.rehash(__n); |
| insert(__first, __last); |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| hash_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::hash_multimap( |
| const hash_multimap& __u) |
| : __table_(__u.__table_) |
| { |
| __table_.rehash(__u.bucket_count()); |
| insert(__u.begin(), __u.end()); |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| template <class _InputIterator> |
| inline |
| void |
| hash_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::insert(_InputIterator __first, |
| _InputIterator __last) |
| { |
| for (; __first != __last; ++__first) |
| __table_.__insert_multi(*__first); |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| inline _LIBCPP_INLINE_VISIBILITY |
| void |
| swap(hash_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x, |
| hash_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __y) |
| { |
| __x.swap(__y); |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| bool |
| operator==(const hash_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x, |
| const hash_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __y) |
| { |
| if (__x.size() != __y.size()) |
| return false; |
| typedef typename hash_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::const_iterator |
| const_iterator; |
| typedef std::pair<const_iterator, const_iterator> _EqRng; |
| for (const_iterator __i = __x.begin(), __ex = __x.end(); __i != __ex;) |
| { |
| _EqRng __xeq = __x.equal_range(__i->first); |
| _EqRng __yeq = __y.equal_range(__i->first); |
| if (_VSTD::distance(__xeq.first, __xeq.second) != |
| _VSTD::distance(__yeq.first, __yeq.second) || |
| !_VSTD::is_permutation(__xeq.first, __xeq.second, __yeq.first)) |
| return false; |
| __i = __xeq.second; |
| } |
| return true; |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| inline _LIBCPP_INLINE_VISIBILITY |
| bool |
| operator!=(const hash_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x, |
| const hash_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __y) |
| { |
| return !(__x == __y); |
| } |
| |
| } // __gnu_cxx |
| |
| #endif // _LIBCPP_HASH_MAP |
