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diff --git a/boost/container/map.hpp b/boost/container/map.hpp new file mode 100644 index 0000000000..8f7ecd42b3 --- /dev/null +++ b/boost/container/map.hpp @@ -0,0 +1,1317 @@ +////////////////////////////////////////////////////////////////////////////// +// +// (C) Copyright Ion Gaztanaga 2005-2011. Distributed under the Boost +// Software License, Version 1.0. (See accompanying file +// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) +// +// See http://www.boost.org/libs/container for documentation. +// +////////////////////////////////////////////////////////////////////////////// + +#ifndef BOOST_CONTAINER_MAP_HPP +#define BOOST_CONTAINER_MAP_HPP + +#if (defined _MSC_VER) && (_MSC_VER >= 1200) +# pragma once +#endif + +#include <boost/container/detail/config_begin.hpp> +#include <boost/container/detail/workaround.hpp> + +#include <boost/container/container_fwd.hpp> +#include <utility> +#include <functional> +#include <memory> +#include <stdexcept> +#include <boost/container/detail/tree.hpp> +#include <boost/container/detail/value_init.hpp> +#include <boost/type_traits/has_trivial_destructor.hpp> +#include <boost/container/detail/mpl.hpp> +#include <boost/container/detail/utilities.hpp> +#include <boost/container/detail/pair.hpp> +#include <boost/container/detail/type_traits.hpp> +#include <boost/move/move.hpp> +#include <boost/move/move_helpers.hpp> +#include <boost/static_assert.hpp> +#include <boost/container/detail/value_init.hpp> + + +#ifdef BOOST_CONTAINER_DOXYGEN_INVOKED +namespace boost { +namespace container { +#else +namespace boost { +namespace container { +#endif + +/// @cond +// Forward declarations of operators == and <, needed for friend declarations. +template <class Key, class T, class Pred, class A> +inline bool operator==(const map<Key,T,Pred,A>& x, + const map<Key,T,Pred,A>& y); + +template <class Key, class T, class Pred, class A> +inline bool operator<(const map<Key,T,Pred,A>& x, + const map<Key,T,Pred,A>& y); +/// @endcond + +//! A map is a kind of associative container that supports unique keys (contains at +//! most one of each key value) and provides for fast retrieval of values of another +//! type T based on the keys. The map class supports bidirectional iterators. +//! +//! A map satisfies all of the requirements of a container and of a reversible +//! container and of an associative container. For a +//! map<Key,T> the key_type is Key and the value_type is std::pair<const Key,T>. +//! +//! Pred is the ordering function for Keys (e.g. <i>std::less<Key></i>). +//! +//! A is the allocator to allocate the value_types +//! (e.g. <i>allocator< std::pair<const Key, T> > </i>). +#ifdef BOOST_CONTAINER_DOXYGEN_INVOKED +template <class Key, class T, class Pred = std::less< std::pair< const Key, T> >, class A = std::allocator<T> > +#else +template <class Key, class T, class Pred, class A> +#endif +class map +{ + /// @cond + private: + BOOST_COPYABLE_AND_MOVABLE(map) + typedef container_detail::rbtree<Key, + std::pair<const Key, T>, + container_detail::select1st< std::pair<const Key, T> >, + Pred, + A> tree_t; + tree_t m_tree; // red-black tree representing map + + /// @endcond + + public: + + // typedefs: + typedef typename tree_t::key_type key_type; + typedef typename tree_t::value_type value_type; + typedef typename tree_t::pointer pointer; + typedef typename tree_t::const_pointer const_pointer; + typedef typename tree_t::reference reference; + typedef typename tree_t::const_reference const_reference; + typedef T mapped_type; + typedef Pred key_compare; + typedef typename tree_t::iterator iterator; + typedef typename tree_t::const_iterator const_iterator; + typedef typename tree_t::reverse_iterator reverse_iterator; + typedef typename tree_t::const_reverse_iterator const_reverse_iterator; + typedef typename tree_t::size_type size_type; + typedef typename tree_t::difference_type difference_type; + typedef typename tree_t::allocator_type allocator_type; + typedef typename tree_t::stored_allocator_type stored_allocator_type; + typedef std::pair<key_type, mapped_type> nonconst_value_type; + typedef container_detail::pair + <key_type, mapped_type> nonconst_impl_value_type; + + /// @cond + class value_compare_impl + : public Pred, + public std::binary_function<value_type, value_type, bool> + { + friend class map<Key,T,Pred,A>; + protected : + value_compare_impl(const Pred &c) : Pred(c) {} + public: + bool operator()(const value_type& x, const value_type& y) const { + return Pred::operator()(x.first, y.first); + } + }; + /// @endcond + typedef value_compare_impl value_compare; + + //! <b>Effects</b>: Default constructs an empty map. + //! + //! <b>Complexity</b>: Constant. + map() + : m_tree() + { + //Allocator type must be std::pair<CONST Key, T> + BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename A::value_type>::value)); + } + + //! <b>Effects</b>: Constructs an empty map using the specified comparison object + //! and allocator. + //! + //! <b>Complexity</b>: Constant. + explicit map(const Pred& comp, + const allocator_type& a = allocator_type()) + : m_tree(comp, a) + { + //Allocator type must be std::pair<CONST Key, T> + BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename A::value_type>::value)); + } + + //! <b>Effects</b>: Constructs an empty map using the specified comparison object and + //! allocator, and inserts elements from the range [first ,last ). + //! + //! <b>Complexity</b>: Linear in N if the range [first ,last ) is already sorted using + //! comp and otherwise N logN, where N is last - first. + template <class InputIterator> + map(InputIterator first, InputIterator last, const Pred& comp = Pred(), + const allocator_type& a = allocator_type()) + : m_tree(first, last, comp, a, true) + { + //Allocator type must be std::pair<CONST Key, T> + BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename A::value_type>::value)); + } + + //! <b>Effects</b>: Constructs an empty map using the specified comparison object and + //! allocator, and inserts elements from the ordered unique range [first ,last). This function + //! is more efficient than the normal range creation for ordered ranges. + //! + //! <b>Requires</b>: [first ,last) must be ordered according to the predicate and must be + //! unique values. + //! + //! <b>Complexity</b>: Linear in N. + template <class InputIterator> + map( ordered_unique_range_t, InputIterator first, InputIterator last + , const Pred& comp = Pred(), const allocator_type& a = allocator_type()) + : m_tree(ordered_range, first, last, comp, a) + { + //Allocator type must be std::pair<CONST Key, T> + BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename A::value_type>::value)); + } + + //! <b>Effects</b>: Copy constructs a map. + //! + //! <b>Complexity</b>: Linear in x.size(). + map(const map<Key,T,Pred,A>& x) + : m_tree(x.m_tree) + { + //Allocator type must be std::pair<CONST Key, T> + BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename A::value_type>::value)); + } + + //! <b>Effects</b>: Move constructs a map. Constructs *this using x's resources. + //! + //! <b>Complexity</b>: Construct. + //! + //! <b>Postcondition</b>: x is emptied. + map(BOOST_RV_REF(map) x) + : m_tree(boost::move(x.m_tree)) + { + //Allocator type must be std::pair<CONST Key, T> + BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename A::value_type>::value)); + } + + //! <b>Effects</b>: Makes *this a copy of x. + //! + //! <b>Complexity</b>: Linear in x.size(). + map& operator=(BOOST_COPY_ASSIGN_REF(map) x) + { m_tree = x.m_tree; return *this; } + + //! <b>Effects</b>: this->swap(x.get()). + //! + //! <b>Complexity</b>: Constant. + map& operator=(BOOST_RV_REF(map) x) + { m_tree = boost::move(x.m_tree); return *this; } + + //! <b>Effects</b>: Returns the comparison object out + //! of which a was constructed. + //! + //! <b>Complexity</b>: Constant. + key_compare key_comp() const + { return m_tree.key_comp(); } + + //! <b>Effects</b>: Returns an object of value_compare constructed out + //! of the comparison object. + //! + //! <b>Complexity</b>: Constant. + value_compare value_comp() const + { return value_compare(m_tree.key_comp()); } + + //! <b>Effects</b>: Returns a copy of the Allocator that + //! was passed to the object's constructor. + //! + //! <b>Complexity</b>: Constant. + allocator_type get_allocator() const + { return m_tree.get_allocator(); } + + const stored_allocator_type &get_stored_allocator() const + { return m_tree.get_stored_allocator(); } + + stored_allocator_type &get_stored_allocator() + { return m_tree.get_stored_allocator(); } + + //! <b>Effects</b>: Returns an iterator to the first element contained in the container. + //! + //! <b>Throws</b>: Nothing. + //! + //! <b>Complexity</b>: Constant. + iterator begin() + { return m_tree.begin(); } + + //! <b>Effects</b>: Returns a const_iterator to the first element contained in the container. + //! + //! <b>Throws</b>: Nothing. + //! + //! <b>Complexity</b>: Constant. + const_iterator begin() const + { return m_tree.begin(); } + + //! <b>Effects</b>: Returns an iterator to the end of the container. + //! + //! <b>Throws</b>: Nothing. + //! + //! <b>Complexity</b>: Constant. + iterator end() + { return m_tree.end(); } + + //! <b>Effects</b>: Returns a const_iterator to the end of the container. + //! + //! <b>Throws</b>: Nothing. + //! + //! <b>Complexity</b>: Constant. + const_iterator end() const + { return m_tree.end(); } + + //! <b>Effects</b>: Returns a reverse_iterator pointing to the beginning + //! of the reversed container. + //! + //! <b>Throws</b>: Nothing. + //! + //! <b>Complexity</b>: Constant. + reverse_iterator rbegin() + { return m_tree.rbegin(); } + + //! <b>Effects</b>: Returns a const_reverse_iterator pointing to the beginning + //! of the reversed container. + //! + //! <b>Throws</b>: Nothing. + //! + //! <b>Complexity</b>: Constant. + const_reverse_iterator rbegin() const + { return m_tree.rbegin(); } + + //! <b>Effects</b>: Returns a reverse_iterator pointing to the end + //! of the reversed container. + //! + //! <b>Throws</b>: Nothing. + //! + //! <b>Complexity</b>: Constant. + reverse_iterator rend() + { return m_tree.rend(); } + + //! <b>Effects</b>: Returns a const_reverse_iterator pointing to the end + //! of the reversed container. + //! + //! <b>Throws</b>: Nothing. + //! + //! <b>Complexity</b>: Constant. + const_reverse_iterator rend() const + { return m_tree.rend(); } + + //! <b>Effects</b>: Returns true if the container contains no elements. + //! + //! <b>Throws</b>: Nothing. + //! + //! <b>Complexity</b>: Constant. + bool empty() const + { return m_tree.empty(); } + + //! <b>Effects</b>: Returns the number of the elements contained in the container. + //! + //! <b>Throws</b>: Nothing. + //! + //! <b>Complexity</b>: Constant. + size_type size() const + { return m_tree.size(); } + + //! <b>Effects</b>: Returns the largest possible size of the container. + //! + //! <b>Throws</b>: Nothing. + //! + //! <b>Complexity</b>: Constant. + size_type max_size() const + { return m_tree.max_size(); } + + #if defined(BOOST_CONTAINER_DOXYGEN_INVOKED) + //! Effects: If there is no key equivalent to x in the map, inserts + //! value_type(x, T()) into the map. + //! + //! Returns: A reference to the mapped_type corresponding to x in *this. + //! + //! Complexity: Logarithmic. + mapped_type& operator[](const key_type &k); + + //! Effects: If there is no key equivalent to x in the map, inserts + //! value_type(boost::move(x), T()) into the map (the key is move-constructed) + //! + //! Returns: A reference to the mapped_type corresponding to x in *this. + //! + //! Complexity: Logarithmic. + mapped_type& operator[](key_type &&k); + #else + BOOST_MOVE_CONVERSION_AWARE_CATCH( operator[] , key_type, mapped_type&, priv_subscript) + #endif + + //! Returns: A reference to the element whose key is equivalent to x. + //! Throws: An exception object of type out_of_range if no such element is present. + //! Complexity: logarithmic. + T& at(const key_type& k) + { + iterator i = this->find(k); + if(i == this->end()){ + throw std::out_of_range("key not found"); + } + return i->second; + } + + //! Returns: A reference to the element whose key is equivalent to x. + //! Throws: An exception object of type out_of_range if no such element is present. + //! Complexity: logarithmic. + const T& at(const key_type& k) const + { + const_iterator i = this->find(k); + if(i == this->end()){ + throw std::out_of_range("key not found"); + } + return i->second; + } + + //! <b>Effects</b>: Swaps the contents of *this and x. + //! + //! <b>Throws</b>: Nothing. + //! + //! <b>Complexity</b>: Constant. + void swap(map& x) + { m_tree.swap(x.m_tree); } + + //! <b>Effects</b>: Inserts x if and only if there is no element in the container + //! with key equivalent to the key of x. + //! + //! <b>Returns</b>: The bool component of the returned pair is true if and only + //! if the insertion takes place, and the iterator component of the pair + //! points to the element with key equivalent to the key of x. + //! + //! <b>Complexity</b>: Logarithmic. + std::pair<iterator,bool> insert(const value_type& x) + { return m_tree.insert_unique(x); } + + //! <b>Effects</b>: Inserts a new value_type created from the pair if and only if + //! there is no element in the container with key equivalent to the key of x. + //! + //! <b>Returns</b>: The bool component of the returned pair is true if and only + //! if the insertion takes place, and the iterator component of the pair + //! points to the element with key equivalent to the key of x. + //! + //! <b>Complexity</b>: Logarithmic. + std::pair<iterator,bool> insert(const nonconst_value_type& x) + { return m_tree.insert_unique(x); } + + //! <b>Effects</b>: Inserts a new value_type move constructed from the pair if and + //! only if there is no element in the container with key equivalent to the key of x. + //! + //! <b>Returns</b>: The bool component of the returned pair is true if and only + //! if the insertion takes place, and the iterator component of the pair + //! points to the element with key equivalent to the key of x. + //! + //! <b>Complexity</b>: Logarithmic. + std::pair<iterator,bool> insert(BOOST_RV_REF(nonconst_value_type) x) + { return m_tree.insert_unique(boost::move(x)); } + + //! <b>Effects</b>: Inserts a new value_type move constructed from the pair if and + //! only if there is no element in the container with key equivalent to the key of x. + //! + //! <b>Returns</b>: The bool component of the returned pair is true if and only + //! if the insertion takes place, and the iterator component of the pair + //! points to the element with key equivalent to the key of x. + //! + //! <b>Complexity</b>: Logarithmic. + std::pair<iterator,bool> insert(BOOST_RV_REF(nonconst_impl_value_type) x) + { return m_tree.insert_unique(boost::move(x)); } + + //! <b>Effects</b>: Move constructs a new value from x if and only if there is + //! no element in the container with key equivalent to the key of x. + //! + //! <b>Returns</b>: The bool component of the returned pair is true if and only + //! if the insertion takes place, and the iterator component of the pair + //! points to the element with key equivalent to the key of x. + //! + //! <b>Complexity</b>: Logarithmic. + std::pair<iterator,bool> insert(BOOST_RV_REF(value_type) x) + { return m_tree.insert_unique(boost::move(x)); } + + //! <b>Effects</b>: Inserts a copy of x in the container if and only if there is + //! no element in the container with key equivalent to the key of x. + //! p is a hint pointing to where the insert should start to search. + //! + //! <b>Returns</b>: An iterator pointing to the element with key equivalent + //! to the key of x. + //! + //! <b>Complexity</b>: Logarithmic in general, but amortized constant if t + //! is inserted right before p. + iterator insert(iterator position, const value_type& x) + { return m_tree.insert_unique(position, x); } + + //! <b>Effects</b>: Move constructs a new value from x if and only if there is + //! no element in the container with key equivalent to the key of x. + //! p is a hint pointing to where the insert should start to search. + //! + //! <b>Returns</b>: An iterator pointing to the element with key equivalent + //! to the key of x. + //! + //! <b>Complexity</b>: Logarithmic in general, but amortized constant if t + //! is inserted right before p. + iterator insert(iterator position, BOOST_RV_REF(nonconst_value_type) x) + { return m_tree.insert_unique(position, boost::move(x)); } + + //! <b>Effects</b>: Move constructs a new value from x if and only if there is + //! no element in the container with key equivalent to the key of x. + //! p is a hint pointing to where the insert should start to search. + //! + //! <b>Returns</b>: An iterator pointing to the element with key equivalent + //! to the key of x. + //! + //! <b>Complexity</b>: Logarithmic in general, but amortized constant if t + //! is inserted right before p. + iterator insert(iterator position, BOOST_RV_REF(nonconst_impl_value_type) x) + { return m_tree.insert_unique(position, boost::move(x)); } + + //! <b>Effects</b>: Inserts a copy of x in the container. + //! p is a hint pointing to where the insert should start to search. + //! + //! <b>Returns</b>: An iterator pointing to the element with key equivalent to the key of x. + //! + //! <b>Complexity</b>: Logarithmic. + iterator insert(iterator position, const nonconst_value_type& x) + { return m_tree.insert_unique(position, x); } + + //! <b>Effects</b>: Inserts an element move constructed from x in the container. + //! p is a hint pointing to where the insert should start to search. + //! + //! <b>Returns</b>: An iterator pointing to the element with key equivalent to the key of x. + //! + //! <b>Complexity</b>: Logarithmic. + iterator insert(iterator position, BOOST_RV_REF(value_type) x) + { return m_tree.insert_unique(position, boost::move(x)); } + + //! <b>Requires</b>: first, last are not iterators into *this. + //! + //! <b>Effects</b>: inserts each element from the range [first,last) if and only + //! if there is no element with key equivalent to the key of that element. + //! + //! <b>Complexity</b>: At most N log(size()+N) (N is the distance from first to last) + template <class InputIterator> + void insert(InputIterator first, InputIterator last) + { m_tree.insert_unique(first, last); } + + #if defined(BOOST_CONTAINER_PERFECT_FORWARDING) || defined(BOOST_CONTAINER_DOXYGEN_INVOKED) + + //! <b>Effects</b>: Inserts an object x of type T constructed with + //! std::forward<Args>(args)... in the container if and only if there is + //! no element in the container with an equivalent key. + //! p is a hint pointing to where the insert should start to search. + //! + //! <b>Returns</b>: The bool component of the returned pair is true if and only + //! if the insertion takes place, and the iterator component of the pair + //! points to the element with key equivalent to the key of x. + //! + //! <b>Complexity</b>: Logarithmic in general, but amortized constant if t + //! is inserted right before p. + template <class... Args> + std::pair<iterator,bool> emplace(Args&&... args) + { return m_tree.emplace_unique(boost::forward<Args>(args)...); } + + //! <b>Effects</b>: Inserts an object of type T constructed with + //! std::forward<Args>(args)... in the container if and only if there is + //! no element in the container with an equivalent key. + //! p is a hint pointing to where the insert should start to search. + //! + //! <b>Returns</b>: An iterator pointing to the element with key equivalent + //! to the key of x. + //! + //! <b>Complexity</b>: Logarithmic in general, but amortized constant if t + //! is inserted right before p. + template <class... Args> + iterator emplace_hint(const_iterator hint, Args&&... args) + { return m_tree.emplace_hint_unique(hint, boost::forward<Args>(args)...); } + + #else //#ifdef BOOST_CONTAINER_PERFECT_FORWARDING + + #define BOOST_PP_LOCAL_MACRO(n) \ + BOOST_PP_EXPR_IF(n, template<) BOOST_PP_ENUM_PARAMS(n, class P) BOOST_PP_EXPR_IF(n, >) \ + std::pair<iterator,bool> emplace(BOOST_PP_ENUM(n, BOOST_CONTAINER_PP_PARAM_LIST, _)) \ + { return m_tree.emplace_unique(BOOST_PP_ENUM(n, BOOST_CONTAINER_PP_PARAM_FORWARD, _)); } \ + \ + BOOST_PP_EXPR_IF(n, template<) BOOST_PP_ENUM_PARAMS(n, class P) BOOST_PP_EXPR_IF(n, >) \ + iterator emplace_hint(const_iterator hint \ + BOOST_PP_ENUM_TRAILING(n, BOOST_CONTAINER_PP_PARAM_LIST, _)) \ + { return m_tree.emplace_hint_unique(hint \ + BOOST_PP_ENUM_TRAILING(n, BOOST_CONTAINER_PP_PARAM_FORWARD, _));} \ + //! + #define BOOST_PP_LOCAL_LIMITS (0, BOOST_CONTAINER_MAX_CONSTRUCTOR_PARAMETERS) + #include BOOST_PP_LOCAL_ITERATE() + + #endif //#ifdef BOOST_CONTAINER_PERFECT_FORWARDING + + //! <b>Effects</b>: Erases the element pointed to by position. + //! + //! <b>Returns</b>: Returns an iterator pointing to the element immediately + //! following q prior to the element being erased. If no such element exists, + //! returns end(). + //! + //! <b>Complexity</b>: Amortized constant time + iterator erase(const_iterator position) + { return m_tree.erase(position); } + + //! <b>Effects</b>: Erases all elements in the container with key equivalent to x. + //! + //! <b>Returns</b>: Returns the number of erased elements. + //! + //! <b>Complexity</b>: log(size()) + count(k) + size_type erase(const key_type& x) + { return m_tree.erase(x); } + + //! <b>Effects</b>: Erases all the elements in the range [first, last). + //! + //! <b>Returns</b>: Returns last. + //! + //! <b>Complexity</b>: log(size())+N where N is the distance from first to last. + iterator erase(const_iterator first, const_iterator last) + { return m_tree.erase(first, last); } + + //! <b>Effects</b>: erase(a.begin(),a.end()). + //! + //! <b>Postcondition</b>: size() == 0. + //! + //! <b>Complexity</b>: linear in size(). + void clear() + { m_tree.clear(); } + + //! <b>Returns</b>: An iterator pointing to an element with the key + //! equivalent to x, or end() if such an element is not found. + //! + //! <b>Complexity</b>: Logarithmic. + iterator find(const key_type& x) + { return m_tree.find(x); } + + //! <b>Returns</b>: A const_iterator pointing to an element with the key + //! equivalent to x, or end() if such an element is not found. + //! + //! <b>Complexity</b>: Logarithmic. + const_iterator find(const key_type& x) const + { return m_tree.find(x); } + + //! <b>Returns</b>: The number of elements with key equivalent to x. + //! + //! <b>Complexity</b>: log(size())+count(k) + size_type count(const key_type& x) const + { return m_tree.find(x) == m_tree.end() ? 0 : 1; } + + //! <b>Returns</b>: An iterator pointing to the first element with key not less + //! than k, or a.end() if such an element is not found. + //! + //! <b>Complexity</b>: Logarithmic + iterator lower_bound(const key_type& x) + { return m_tree.lower_bound(x); } + + //! <b>Returns</b>: A const iterator pointing to the first element with key not + //! less than k, or a.end() if such an element is not found. + //! + //! <b>Complexity</b>: Logarithmic + const_iterator lower_bound(const key_type& x) const + { return m_tree.lower_bound(x); } + + //! <b>Returns</b>: An iterator pointing to the first element with key not less + //! than x, or end() if such an element is not found. + //! + //! <b>Complexity</b>: Logarithmic + iterator upper_bound(const key_type& x) + { return m_tree.upper_bound(x); } + + //! <b>Returns</b>: A const iterator pointing to the first element with key not + //! less than x, or end() if such an element is not found. + //! + //! <b>Complexity</b>: Logarithmic + const_iterator upper_bound(const key_type& x) const + { return m_tree.upper_bound(x); } + + //! <b>Effects</b>: Equivalent to std::make_pair(this->lower_bound(k), this->upper_bound(k)). + //! + //! <b>Complexity</b>: Logarithmic + std::pair<iterator,iterator> equal_range(const key_type& x) + { return m_tree.equal_range(x); } + + //! <b>Effects</b>: Equivalent to std::make_pair(this->lower_bound(k), this->upper_bound(k)). + //! + //! <b>Complexity</b>: Logarithmic + std::pair<const_iterator,const_iterator> equal_range(const key_type& x) const + { return m_tree.equal_range(x); } + + /// @cond + template <class K1, class T1, class C1, class A1> + friend bool operator== (const map<K1, T1, C1, A1>&, + const map<K1, T1, C1, A1>&); + template <class K1, class T1, class C1, class A1> + friend bool operator< (const map<K1, T1, C1, A1>&, + const map<K1, T1, C1, A1>&); + private: + mapped_type& priv_subscript(const key_type &k) + { + //we can optimize this + iterator i = lower_bound(k); + // i->first is greater than or equivalent to k. + if (i == end() || key_comp()(k, (*i).first)){ + container_detail::value_init<mapped_type> m; + nonconst_impl_value_type val(k, boost::move(m.m_t)); + i = insert(i, boost::move(val)); + } + return (*i).second; + } + + mapped_type& priv_subscript(BOOST_RV_REF(key_type) mk) + { + key_type &k = mk; + //we can optimize this + iterator i = lower_bound(k); + // i->first is greater than or equivalent to k. + if (i == end() || key_comp()(k, (*i).first)){ + container_detail::value_init<mapped_type> m; + nonconst_impl_value_type val(boost::move(k), boost::move(m.m_t)); + i = insert(i, boost::move(val)); + } + return (*i).second; + } + + /// @endcond +}; + +template <class Key, class T, class Pred, class A> +inline bool operator==(const map<Key,T,Pred,A>& x, + const map<Key,T,Pred,A>& y) + { return x.m_tree == y.m_tree; } + +template <class Key, class T, class Pred, class A> +inline bool operator<(const map<Key,T,Pred,A>& x, + const map<Key,T,Pred,A>& y) + { return x.m_tree < y.m_tree; } + +template <class Key, class T, class Pred, class A> +inline bool operator!=(const map<Key,T,Pred,A>& x, + const map<Key,T,Pred,A>& y) + { return !(x == y); } + +template <class Key, class T, class Pred, class A> +inline bool operator>(const map<Key,T,Pred,A>& x, + const map<Key,T,Pred,A>& y) + { return y < x; } + +template <class Key, class T, class Pred, class A> +inline bool operator<=(const map<Key,T,Pred,A>& x, + const map<Key,T,Pred,A>& y) + { return !(y < x); } + +template <class Key, class T, class Pred, class A> +inline bool operator>=(const map<Key,T,Pred,A>& x, + const map<Key,T,Pred,A>& y) + { return !(x < y); } + +template <class Key, class T, class Pred, class A> +inline void swap(map<Key,T,Pred,A>& x, map<Key,T,Pred,A>& y) + { x.swap(y); } + +/// @cond + +// Forward declaration of operators < and ==, needed for friend declaration. + +template <class Key, class T, class Pred, class A> +inline bool operator==(const multimap<Key,T,Pred,A>& x, + const multimap<Key,T,Pred,A>& y); + +template <class Key, class T, class Pred, class A> +inline bool operator<(const multimap<Key,T,Pred,A>& x, + const multimap<Key,T,Pred,A>& y); + +} //namespace container { +/* +//!has_trivial_destructor_after_move<> == true_type +//!specialization for optimizations +template <class K, class T, class C, class A> +struct has_trivial_destructor_after_move<boost::container::map<K, T, C, A> > +{ + static const bool value = has_trivial_destructor<A>::value && has_trivial_destructor<C>::value; +}; +*/ +namespace container { + +/// @endcond + +//! A multimap is a kind of associative container that supports equivalent keys +//! (possibly containing multiple copies of the same key value) and provides for +//! fast retrieval of values of another type T based on the keys. The multimap class +//! supports bidirectional iterators. +//! +//! A multimap satisfies all of the requirements of a container and of a reversible +//! container and of an associative container. For a +//! map<Key,T> the key_type is Key and the value_type is std::pair<const Key,T>. +//! +//! Pred is the ordering function for Keys (e.g. <i>std::less<Key></i>). +//! +//! A is the allocator to allocate the value_types +//!(e.g. <i>allocator< std::pair<<b>const</b> Key, T> ></i>). +#ifdef BOOST_CONTAINER_DOXYGEN_INVOKED +template <class Key, class T, class Pred = std::less< std::pair< const Key, T> >, class A = std::allocator<T> > +#else +template <class Key, class T, class Pred, class A> +#endif +class multimap +{ + /// @cond + private: + BOOST_COPYABLE_AND_MOVABLE(multimap) + typedef container_detail::rbtree<Key, + std::pair<const Key, T>, + container_detail::select1st< std::pair<const Key, T> >, + Pred, + A> tree_t; + tree_t m_tree; // red-black tree representing map + typedef typename container_detail:: + move_const_ref_type<Key>::type insert_key_const_ref_type; + /// @endcond + + public: + + // typedefs: + typedef typename tree_t::key_type key_type; + typedef typename tree_t::value_type value_type; + typedef typename tree_t::pointer pointer; + typedef typename tree_t::const_pointer const_pointer; + typedef typename tree_t::reference reference; + typedef typename tree_t::const_reference const_reference; + typedef T mapped_type; + typedef Pred key_compare; + typedef typename tree_t::iterator iterator; + typedef typename tree_t::const_iterator const_iterator; + typedef typename tree_t::reverse_iterator reverse_iterator; + typedef typename tree_t::const_reverse_iterator const_reverse_iterator; + typedef typename tree_t::size_type size_type; + typedef typename tree_t::difference_type difference_type; + typedef typename tree_t::allocator_type allocator_type; + typedef typename tree_t::stored_allocator_type stored_allocator_type; + typedef std::pair<key_type, mapped_type> nonconst_value_type; + typedef container_detail::pair + <key_type, mapped_type> nonconst_impl_value_type; + + /// @cond + class value_compare_impl + : public Pred, + public std::binary_function<value_type, value_type, bool> + { + friend class multimap<Key,T,Pred,A>; + protected : + value_compare_impl(const Pred &c) : Pred(c) {} + public: + bool operator()(const value_type& x, const value_type& y) const { + return Pred::operator()(x.first, y.first); + } + }; + /// @endcond + typedef value_compare_impl value_compare; + + //! <b>Effects</b>: Default constructs an empty multimap. + //! + //! <b>Complexity</b>: Constant. + multimap() + : m_tree() + { + //Allocator type must be std::pair<CONST Key, T> + BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename A::value_type>::value)); + } + + //! <b>Effects</b>: Constructs an empty multimap using the specified comparison + //! object and allocator. + //! + //! <b>Complexity</b>: Constant. + explicit multimap(const Pred& comp, const allocator_type& a = allocator_type()) + : m_tree(comp, a) + { + //Allocator type must be std::pair<CONST Key, T> + BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename A::value_type>::value)); + } + + //! <b>Effects</b>: Constructs an empty multimap using the specified comparison object + //! and allocator, and inserts elements from the range [first ,last ). + //! + //! <b>Complexity</b>: Linear in N if the range [first ,last ) is already sorted using + //! comp and otherwise N logN, where N is last - first. + template <class InputIterator> + multimap(InputIterator first, InputIterator last, + const Pred& comp = Pred(), + const allocator_type& a = allocator_type()) + : m_tree(first, last, comp, a, false) + { + //Allocator type must be std::pair<CONST Key, T> + BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename A::value_type>::value)); + } + + //! <b>Effects</b>: Constructs an empty multimap using the specified comparison object and + //! allocator, and inserts elements from the ordered range [first ,last). This function + //! is more efficient than the normal range creation for ordered ranges. + //! + //! <b>Requires</b>: [first ,last) must be ordered according to the predicate. + //! + //! <b>Complexity</b>: Linear in N. + template <class InputIterator> + multimap(ordered_range_t ordered_range, InputIterator first, InputIterator last, const Pred& comp = Pred(), + const allocator_type& a = allocator_type()) + : m_tree(ordered_range, first, last, comp, a) + {} + + + //! <b>Effects</b>: Copy constructs a multimap. + //! + //! <b>Complexity</b>: Linear in x.size(). + multimap(const multimap<Key,T,Pred,A>& x) + : m_tree(x.m_tree) + { + //Allocator type must be std::pair<CONST Key, T> + BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename A::value_type>::value)); + } + + //! <b>Effects</b>: Move constructs a multimap. Constructs *this using x's resources. + //! + //! <b>Complexity</b>: Construct. + //! + //! <b>Postcondition</b>: x is emptied. + multimap(BOOST_RV_REF(multimap) x) + : m_tree(boost::move(x.m_tree)) + { + //Allocator type must be std::pair<CONST Key, T> + BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename A::value_type>::value)); + } + + //! <b>Effects</b>: Makes *this a copy of x. + //! + //! <b>Complexity</b>: Linear in x.size(). + multimap& operator=(BOOST_COPY_ASSIGN_REF(multimap) x) + { m_tree = x.m_tree; return *this; } + + //! <b>Effects</b>: this->swap(x.get()). + //! + //! <b>Complexity</b>: Constant. + multimap& operator=(BOOST_RV_REF(multimap) x) + { m_tree = boost::move(x.m_tree); return *this; } + + //! <b>Effects</b>: Returns the comparison object out + //! of which a was constructed. + //! + //! <b>Complexity</b>: Constant. + key_compare key_comp() const + { return m_tree.key_comp(); } + + //! <b>Effects</b>: Returns an object of value_compare constructed out + //! of the comparison object. + //! + //! <b>Complexity</b>: Constant. + value_compare value_comp() const + { return value_compare(m_tree.key_comp()); } + + //! <b>Effects</b>: Returns a copy of the Allocator that + //! was passed to the object's constructor. + //! + //! <b>Complexity</b>: Constant. + allocator_type get_allocator() const + { return m_tree.get_allocator(); } + + const stored_allocator_type &get_stored_allocator() const + { return m_tree.get_stored_allocator(); } + + stored_allocator_type &get_stored_allocator() + { return m_tree.get_stored_allocator(); } + + //! <b>Effects</b>: Returns an iterator to the first element contained in the container. + //! + //! <b>Throws</b>: Nothing. + //! + //! <b>Complexity</b>: Constant. + iterator begin() + { return m_tree.begin(); } + + //! <b>Effects</b>: Returns a const_iterator to the first element contained in the container. + //! + //! <b>Throws</b>: Nothing. + //! + //! <b>Complexity</b>: Constant. + const_iterator begin() const + { return m_tree.begin(); } + + //! <b>Effects</b>: Returns an iterator to the end of the container. + //! + //! <b>Throws</b>: Nothing. + //! + //! <b>Complexity</b>: Constant. + iterator end() + { return m_tree.end(); } + + //! <b>Effects</b>: Returns a const_iterator to the end of the container. + //! + //! <b>Throws</b>: Nothing. + //! + //! <b>Complexity</b>: Constant. + const_iterator end() const + { return m_tree.end(); } + + //! <b>Effects</b>: Returns a reverse_iterator pointing to the beginning + //! of the reversed container. + //! + //! <b>Throws</b>: Nothing. + //! + //! <b>Complexity</b>: Constant. + reverse_iterator rbegin() + { return m_tree.rbegin(); } + + //! <b>Effects</b>: Returns a const_reverse_iterator pointing to the beginning + //! of the reversed container. + //! + //! <b>Throws</b>: Nothing. + //! + //! <b>Complexity</b>: Constant. + const_reverse_iterator rbegin() const + { return m_tree.rbegin(); } + + //! <b>Effects</b>: Returns a reverse_iterator pointing to the end + //! of the reversed container. + //! + //! <b>Throws</b>: Nothing. + //! + //! <b>Complexity</b>: Constant. + reverse_iterator rend() + { return m_tree.rend(); } + + //! <b>Effects</b>: Returns a const_reverse_iterator pointing to the end + //! of the reversed container. + //! + //! <b>Throws</b>: Nothing. + //! + //! <b>Complexity</b>: Constant. + const_reverse_iterator rend() const + { return m_tree.rend(); } + + //! <b>Effects</b>: Returns true if the container contains no elements. + //! + //! <b>Throws</b>: Nothing. + //! + //! <b>Complexity</b>: Constant. + bool empty() const + { return m_tree.empty(); } + + //! <b>Effects</b>: Returns the number of the elements contained in the container. + //! + //! <b>Throws</b>: Nothing. + //! + //! <b>Complexity</b>: Constant. + size_type size() const + { return m_tree.size(); } + + //! <b>Effects</b>: Returns the largest possible size of the container. + //! + //! <b>Throws</b>: Nothing. + //! + //! <b>Complexity</b>: Constant. + size_type max_size() const + { return m_tree.max_size(); } + + //! <b>Effects</b>: Swaps the contents of *this and x. + //! + //! <b>Throws</b>: Nothing. + //! + //! <b>Complexity</b>: Constant. + void swap(multimap& x) + { m_tree.swap(x.m_tree); } + + //! <b>Effects</b>: Inserts x and returns the iterator pointing to the + //! newly inserted element. + //! + //! <b>Complexity</b>: Logarithmic. + iterator insert(const value_type& x) + { return m_tree.insert_equal(x); } + + //! <b>Effects</b>: Inserts a new value constructed from x and returns + //! the iterator pointing to the newly inserted element. + //! + //! <b>Complexity</b>: Logarithmic. + iterator insert(const nonconst_value_type& x) + { return m_tree.insert_equal(x); } + + //! <b>Effects</b>: Inserts a new value move-constructed from x and returns + //! the iterator pointing to the newly inserted element. + //! + //! <b>Complexity</b>: Logarithmic. + iterator insert(BOOST_RV_REF(nonconst_value_type) x) + { return m_tree.insert_equal(boost::move(x)); } + + //! <b>Effects</b>: Inserts a new value move-constructed from x and returns + //! the iterator pointing to the newly inserted element. + //! + //! <b>Complexity</b>: Logarithmic. + iterator insert(BOOST_RV_REF(nonconst_impl_value_type) x) + { return m_tree.insert_equal(boost::move(x)); } + + //! <b>Effects</b>: Inserts a copy of x in the container. + //! p is a hint pointing to where the insert should start to search. + //! + //! <b>Returns</b>: An iterator pointing to the element with key equivalent + //! to the key of x. + //! + //! <b>Complexity</b>: Logarithmic in general, but amortized constant if t + //! is inserted right before p. + iterator insert(iterator position, const value_type& x) + { return m_tree.insert_equal(position, x); } + + //! <b>Effects</b>: Inserts a new value constructed from x in the container. + //! p is a hint pointing to where the insert should start to search. + //! + //! <b>Returns</b>: An iterator pointing to the element with key equivalent + //! to the key of x. + //! + //! <b>Complexity</b>: Logarithmic in general, but amortized constant if t + //! is inserted right before p. + iterator insert(iterator position, const nonconst_value_type& x) + { return m_tree.insert_equal(position, x); } + + //! <b>Effects</b>: Inserts a new value move constructed from x in the container. + //! p is a hint pointing to where the insert should start to search. + //! + //! <b>Returns</b>: An iterator pointing to the element with key equivalent + //! to the key of x. + //! + //! <b>Complexity</b>: Logarithmic in general, but amortized constant if t + //! is inserted right before p. + iterator insert(iterator position, BOOST_RV_REF(nonconst_value_type) x) + { return m_tree.insert_equal(position, boost::move(x)); } + + //! <b>Effects</b>: Inserts a new value move constructed from x in the container. + //! p is a hint pointing to where the insert should start to search. + //! + //! <b>Returns</b>: An iterator pointing to the element with key equivalent + //! to the key of x. + //! + //! <b>Complexity</b>: Logarithmic in general, but amortized constant if t + //! is inserted right before p. + iterator insert(iterator position, BOOST_RV_REF(nonconst_impl_value_type) x) + { return m_tree.insert_equal(position, boost::move(x)); } + + //! <b>Requires</b>: first, last are not iterators into *this. + //! + //! <b>Effects</b>: inserts each element from the range [first,last) . + //! + //! <b>Complexity</b>: At most N log(size()+N) (N is the distance from first to last) + template <class InputIterator> + void insert(InputIterator first, InputIterator last) + { m_tree.insert_equal(first, last); } + + #if defined(BOOST_CONTAINER_PERFECT_FORWARDING) || defined(BOOST_CONTAINER_DOXYGEN_INVOKED) + + //! <b>Effects</b>: Inserts an object of type T constructed with + //! std::forward<Args>(args)... in the container. + //! p is a hint pointing to where the insert should start to search. + //! + //! <b>Returns</b>: An iterator pointing to the element with key equivalent + //! to the key of x. + //! + //! <b>Complexity</b>: Logarithmic in general, but amortized constant if t + //! is inserted right before p. + template <class... Args> + iterator emplace(Args&&... args) + { return m_tree.emplace_equal(boost::forward<Args>(args)...); } + + //! <b>Effects</b>: Inserts an object of type T constructed with + //! std::forward<Args>(args)... in the container. + //! p is a hint pointing to where the insert should start to search. + //! + //! <b>Returns</b>: An iterator pointing to the element with key equivalent + //! to the key of x. + //! + //! <b>Complexity</b>: Logarithmic in general, but amortized constant if t + //! is inserted right before p. + template <class... Args> + iterator emplace_hint(const_iterator hint, Args&&... args) + { return m_tree.emplace_hint_equal(hint, boost::forward<Args>(args)...); } + + #else //#ifdef BOOST_CONTAINER_PERFECT_FORWARDING + + #define BOOST_PP_LOCAL_MACRO(n) \ + BOOST_PP_EXPR_IF(n, template<) BOOST_PP_ENUM_PARAMS(n, class P) BOOST_PP_EXPR_IF(n, >) \ + iterator emplace(BOOST_PP_ENUM(n, BOOST_CONTAINER_PP_PARAM_LIST, _)) \ + { return m_tree.emplace_equal(BOOST_PP_ENUM(n, BOOST_CONTAINER_PP_PARAM_FORWARD, _)); } \ + \ + BOOST_PP_EXPR_IF(n, template<) BOOST_PP_ENUM_PARAMS(n, class P) BOOST_PP_EXPR_IF(n, >) \ + iterator emplace_hint(const_iterator hint \ + BOOST_PP_ENUM_TRAILING(n, BOOST_CONTAINER_PP_PARAM_LIST, _)) \ + { return m_tree.emplace_hint_equal(hint \ + BOOST_PP_ENUM_TRAILING(n, BOOST_CONTAINER_PP_PARAM_FORWARD, _));} \ + //! + #define BOOST_PP_LOCAL_LIMITS (0, BOOST_CONTAINER_MAX_CONSTRUCTOR_PARAMETERS) + #include BOOST_PP_LOCAL_ITERATE() + + #endif //#ifdef BOOST_CONTAINER_PERFECT_FORWARDING + + //! <b>Effects</b>: Erases the element pointed to by position. + //! + //! <b>Returns</b>: Returns an iterator pointing to the element immediately + //! following q prior to the element being erased. If no such element exists, + //! returns end(). + //! + //! <b>Complexity</b>: Amortized constant time + iterator erase(const_iterator position) + { return m_tree.erase(position); } + + //! <b>Effects</b>: Erases all elements in the container with key equivalent to x. + //! + //! <b>Returns</b>: Returns the number of erased elements. + //! + //! <b>Complexity</b>: log(size()) + count(k) + size_type erase(const key_type& x) + { return m_tree.erase(x); } + + //! <b>Effects</b>: Erases all the elements in the range [first, last). + //! + //! <b>Returns</b>: Returns last. + //! + //! <b>Complexity</b>: log(size())+N where N is the distance from first to last. + iterator erase(const_iterator first, const_iterator last) + { return m_tree.erase(first, last); } + + //! <b>Effects</b>: erase(a.begin(),a.end()). + //! + //! <b>Postcondition</b>: size() == 0. + //! + //! <b>Complexity</b>: linear in size(). + void clear() + { m_tree.clear(); } + + //! <b>Returns</b>: An iterator pointing to an element with the key + //! equivalent to x, or end() if such an element is not found. + //! + //! <b>Complexity</b>: Logarithmic. + iterator find(const key_type& x) + { return m_tree.find(x); } + + //! <b>Returns</b>: A const iterator pointing to an element with the key + //! equivalent to x, or end() if such an element is not found. + //! + //! <b>Complexity</b>: Logarithmic. + const_iterator find(const key_type& x) const + { return m_tree.find(x); } + + //! <b>Returns</b>: The number of elements with key equivalent to x. + //! + //! <b>Complexity</b>: log(size())+count(k) + size_type count(const key_type& x) const + { return m_tree.count(x); } + + //! <b>Returns</b>: An iterator pointing to the first element with key not less + //! than k, or a.end() if such an element is not found. + //! + //! <b>Complexity</b>: Logarithmic + iterator lower_bound(const key_type& x) + {return m_tree.lower_bound(x); } + + //! <b>Returns</b>: A const iterator pointing to the first element with key not + //! less than k, or a.end() if such an element is not found. + //! + //! <b>Complexity</b>: Logarithmic + const_iterator lower_bound(const key_type& x) const + { return m_tree.lower_bound(x); } + + //! <b>Returns</b>: An iterator pointing to the first element with key not less + //! than x, or end() if such an element is not found. + //! + //! <b>Complexity</b>: Logarithmic + iterator upper_bound(const key_type& x) + { return m_tree.upper_bound(x); } + + //! <b>Effects</b>: Equivalent to std::make_pair(this->lower_bound(k), this->upper_bound(k)). + //! + //! <b>Complexity</b>: Logarithmic + std::pair<iterator,iterator> equal_range(const key_type& x) + { return m_tree.equal_range(x); } + + //! <b>Returns</b>: A const iterator pointing to the first element with key not + //! less than x, or end() if such an element is not found. + //! + //! <b>Complexity</b>: Logarithmic + const_iterator upper_bound(const key_type& x) const + { return m_tree.upper_bound(x); } + + //! <b>Effects</b>: Equivalent to std::make_pair(this->lower_bound(k), this->upper_bound(k)). + //! + //! <b>Complexity</b>: Logarithmic + std::pair<const_iterator,const_iterator> + equal_range(const key_type& x) const + { return m_tree.equal_range(x); } + + /// @cond + template <class K1, class T1, class C1, class A1> + friend bool operator== (const multimap<K1, T1, C1, A1>& x, + const multimap<K1, T1, C1, A1>& y); + + template <class K1, class T1, class C1, class A1> + friend bool operator< (const multimap<K1, T1, C1, A1>& x, + const multimap<K1, T1, C1, A1>& y); + /// @endcond +}; + +template <class Key, class T, class Pred, class A> +inline bool operator==(const multimap<Key,T,Pred,A>& x, + const multimap<Key,T,Pred,A>& y) +{ return x.m_tree == y.m_tree; } + +template <class Key, class T, class Pred, class A> +inline bool operator<(const multimap<Key,T,Pred,A>& x, + const multimap<Key,T,Pred,A>& y) +{ return x.m_tree < y.m_tree; } + +template <class Key, class T, class Pred, class A> +inline bool operator!=(const multimap<Key,T,Pred,A>& x, + const multimap<Key,T,Pred,A>& y) +{ return !(x == y); } + +template <class Key, class T, class Pred, class A> +inline bool operator>(const multimap<Key,T,Pred,A>& x, + const multimap<Key,T,Pred,A>& y) +{ return y < x; } + +template <class Key, class T, class Pred, class A> +inline bool operator<=(const multimap<Key,T,Pred,A>& x, + const multimap<Key,T,Pred,A>& y) +{ return !(y < x); } + +template <class Key, class T, class Pred, class A> +inline bool operator>=(const multimap<Key,T,Pred,A>& x, + const multimap<Key,T,Pred,A>& y) +{ return !(x < y); } + +template <class Key, class T, class Pred, class A> +inline void swap(multimap<Key,T,Pred,A>& x, multimap<Key,T,Pred,A>& y) +{ x.swap(y); } + +/// @cond + +} //namespace container { +/* +//!has_trivial_destructor_after_move<> == true_type +//!specialization for optimizations +template <class K, class T, class C, class A> +struct has_trivial_destructor_after_move<boost::container::multimap<K, T, C, A> > +{ + static const bool value = has_trivial_destructor<A>::value && has_trivial_destructor<C>::value; +}; +*/ +namespace container { + +/// @endcond + +}} + +#include <boost/container/detail/config_end.hpp> + +#endif /* BOOST_CONTAINER_MAP_HPP */ + |