1499 lines
56 KiB
C++
1499 lines
56 KiB
C++
//////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2005-2015. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/container for documentation.
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//
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//////////////////////////////////////////////////////////////////////////////
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#ifndef BOOST_CONTAINER_LIST_HPP
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#define BOOST_CONTAINER_LIST_HPP
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#ifndef BOOST_CONFIG_HPP
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# include <boost/config.hpp>
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#endif
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#if defined(BOOST_HAS_PRAGMA_ONCE)
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# pragma once
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#endif
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#include <boost/container/detail/config_begin.hpp>
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#include <boost/container/detail/workaround.hpp>
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// container
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#include <boost/container/container_fwd.hpp>
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#include <boost/container/new_allocator.hpp> //new_allocator
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#include <boost/container/throw_exception.hpp>
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// container/detail
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#include <boost/container/detail/algorithm.hpp>
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#include <boost/container/detail/compare_functors.hpp>
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#include <boost/container/detail/iterator.hpp>
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#include <boost/container/detail/iterators.hpp>
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#include <boost/container/detail/mpl.hpp>
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#include <boost/container/detail/node_alloc_holder.hpp>
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#include <boost/container/detail/version_type.hpp>
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// move
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#include <boost/move/utility_core.hpp>
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#include <boost/move/iterator.hpp>
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#include <boost/move/traits.hpp>
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// move/detail
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#if defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
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# include <boost/move/detail/fwd_macros.hpp>
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#endif
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#include <boost/move/detail/move_helpers.hpp>
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// intrusive
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#include <boost/intrusive/pointer_traits.hpp>
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#include <boost/intrusive/list.hpp>
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// other
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#include <boost/assert.hpp>
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// std
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#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
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#include <initializer_list>
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#endif
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namespace boost {
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namespace container {
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#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED
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namespace container_detail {
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template<class VoidPointer>
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struct list_hook
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{
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typedef typename container_detail::bi::make_list_base_hook
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<container_detail::bi::void_pointer<VoidPointer>, container_detail::bi::link_mode<container_detail::bi::normal_link> >::type type;
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};
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template <class T, class VoidPointer>
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struct list_node
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: public list_hook<VoidPointer>::type
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{
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private:
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list_node();
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public:
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typedef T value_type;
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typedef typename list_hook<VoidPointer>::type hook_type;
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T m_data;
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T &get_data()
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{ return this->m_data; }
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const T &get_data() const
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{ return this->m_data; }
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};
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template <class T, class VoidPointer>
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struct iiterator_node_value_type< list_node<T,VoidPointer> > {
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typedef T type;
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};
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template<class Allocator>
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struct intrusive_list_type
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{
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typedef boost::container::allocator_traits<Allocator> allocator_traits_type;
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typedef typename allocator_traits_type::value_type value_type;
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typedef typename boost::intrusive::pointer_traits
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<typename allocator_traits_type::pointer>::template
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rebind_pointer<void>::type
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void_pointer;
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typedef typename container_detail::list_node
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<value_type, void_pointer> node_type;
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typedef typename container_detail::bi::make_list
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< node_type
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, container_detail::bi::base_hook<typename list_hook<void_pointer>::type>
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, container_detail::bi::constant_time_size<true>
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, container_detail::bi::size_type
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<typename allocator_traits_type::size_type>
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>::type container_type;
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typedef container_type type ;
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};
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} //namespace container_detail {
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#endif //#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED
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//! A list is a doubly linked list. That is, it is a Sequence that supports both
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//! forward and backward traversal, and (amortized) constant time insertion and
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//! removal of elements at the beginning or the end, or in the middle. Lists have
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//! the important property that insertion and splicing do not invalidate iterators
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//! to list elements, and that even removal invalidates only the iterators that point
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//! to the elements that are removed. The ordering of iterators may be changed
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//! (that is, list<T>::iterator might have a different predecessor or successor
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//! after a list operation than it did before), but the iterators themselves will
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//! not be invalidated or made to point to different elements unless that invalidation
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//! or mutation is explicit.
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//!
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//! \tparam T The type of object that is stored in the list
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//! \tparam Allocator The allocator used for all internal memory management
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#ifdef BOOST_CONTAINER_DOXYGEN_INVOKED
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template <class T, class Allocator = new_allocator<T> >
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#else
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template <class T, class Allocator>
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#endif
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class list
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: protected container_detail::node_alloc_holder
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<Allocator, typename container_detail::intrusive_list_type<Allocator>::type>
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{
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#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED
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typedef typename
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container_detail::intrusive_list_type<Allocator>::type Icont;
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typedef container_detail::node_alloc_holder<Allocator, Icont> AllocHolder;
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typedef typename AllocHolder::NodePtr NodePtr;
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typedef typename AllocHolder::NodeAlloc NodeAlloc;
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typedef typename AllocHolder::ValAlloc ValAlloc;
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typedef typename AllocHolder::Node Node;
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typedef container_detail::allocator_destroyer<NodeAlloc> Destroyer;
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typedef typename AllocHolder::alloc_version alloc_version;
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typedef boost::container::allocator_traits<Allocator> allocator_traits_type;
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typedef boost::container::equal_to_value<Allocator> equal_to_value_type;
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BOOST_COPYABLE_AND_MOVABLE(list)
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typedef container_detail::iterator_from_iiterator<typename Icont::iterator, false> iterator_impl;
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typedef container_detail::iterator_from_iiterator<typename Icont::iterator, true> const_iterator_impl;
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#endif //#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED
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public:
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//////////////////////////////////////////////
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//
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// types
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//
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//////////////////////////////////////////////
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typedef T value_type;
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typedef typename ::boost::container::allocator_traits<Allocator>::pointer pointer;
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typedef typename ::boost::container::allocator_traits<Allocator>::const_pointer const_pointer;
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typedef typename ::boost::container::allocator_traits<Allocator>::reference reference;
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typedef typename ::boost::container::allocator_traits<Allocator>::const_reference const_reference;
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typedef typename ::boost::container::allocator_traits<Allocator>::size_type size_type;
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typedef typename ::boost::container::allocator_traits<Allocator>::difference_type difference_type;
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typedef Allocator allocator_type;
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typedef BOOST_CONTAINER_IMPDEF(NodeAlloc) stored_allocator_type;
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typedef BOOST_CONTAINER_IMPDEF(iterator_impl) iterator;
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typedef BOOST_CONTAINER_IMPDEF(const_iterator_impl) const_iterator;
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typedef BOOST_CONTAINER_IMPDEF(boost::container::reverse_iterator<iterator>) reverse_iterator;
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typedef BOOST_CONTAINER_IMPDEF(boost::container::reverse_iterator<const_iterator>) const_reverse_iterator;
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//////////////////////////////////////////////
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//
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// construct/copy/destroy
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//
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//////////////////////////////////////////////
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//! <b>Effects</b>: Default constructs a list.
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//!
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//! <b>Throws</b>: If allocator_type's default constructor throws.
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//!
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//! <b>Complexity</b>: Constant.
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list() BOOST_NOEXCEPT_IF(container_detail::is_nothrow_default_constructible<Allocator>::value)
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: AllocHolder()
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{}
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//! <b>Effects</b>: Constructs a list taking the allocator as parameter.
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//!
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//! <b>Throws</b>: Nothing
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//!
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//! <b>Complexity</b>: Constant.
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explicit list(const allocator_type &a) BOOST_NOEXCEPT_OR_NOTHROW
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: AllocHolder(a)
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{}
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//! <b>Effects</b>: Constructs a list
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//! and inserts n value-initialized value_types.
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//!
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//! <b>Throws</b>: If allocator_type's default constructor
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//! throws or T's default or copy constructor throws.
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//!
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//! <b>Complexity</b>: Linear to n.
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explicit list(size_type n)
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: AllocHolder(Allocator())
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{ this->resize(n); }
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//! <b>Effects</b>: Constructs a list that will use a copy of allocator a
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//! and inserts n copies of value.
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//!
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//! <b>Throws</b>: If allocator_type's default constructor
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//! throws or T's default or copy constructor throws.
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//!
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//! <b>Complexity</b>: Linear to n.
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list(size_type n, const allocator_type &a)
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: AllocHolder(a)
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{ this->resize(n); }
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//! <b>Effects</b>: Constructs a list that will use a copy of allocator a
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//! and inserts n copies of value.
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//!
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//! <b>Throws</b>: If allocator_type's default constructor
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//! throws or T's default or copy constructor throws.
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//!
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//! <b>Complexity</b>: Linear to n.
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list(size_type n, const T& value, const Allocator& a = Allocator())
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: AllocHolder(a)
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{ this->insert(this->cbegin(), n, value); }
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//! <b>Effects</b>: Copy constructs a list.
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//!
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//! <b>Postcondition</b>: x == *this.
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//!
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//! <b>Throws</b>: If allocator_type's default constructor throws.
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//!
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//! <b>Complexity</b>: Linear to the elements x contains.
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list(const list& x)
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: AllocHolder(x)
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{ this->insert(this->cbegin(), x.begin(), x.end()); }
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//! <b>Effects</b>: Move constructor. Moves x's resources to *this.
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//!
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//! <b>Throws</b>: If allocator_type's copy constructor throws.
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//!
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//! <b>Complexity</b>: Constant.
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list(BOOST_RV_REF(list) x) BOOST_NOEXCEPT_OR_NOTHROW
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: AllocHolder(BOOST_MOVE_BASE(AllocHolder, x))
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{}
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//! <b>Effects</b>: Copy constructs a list using the specified allocator.
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//!
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//! <b>Postcondition</b>: x == *this.
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//!
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//! <b>Throws</b>: If allocator_type's default constructor or copy constructor throws.
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//!
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//! <b>Complexity</b>: Linear to the elements x contains.
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list(const list& x, const allocator_type &a)
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: AllocHolder(a)
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{ this->insert(this->cbegin(), x.begin(), x.end()); }
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//! <b>Effects</b>: Move constructor sing the specified allocator.
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//! Moves x's resources to *this.
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//!
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//! <b>Throws</b>: If allocation or value_type's copy constructor throws.
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//!
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//! <b>Complexity</b>: Constant if a == x.get_allocator(), linear otherwise.
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list(BOOST_RV_REF(list) x, const allocator_type &a)
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: AllocHolder(a)
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{
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if(this->node_alloc() == x.node_alloc()){
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this->icont().swap(x.icont());
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}
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else{
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this->insert(this->cbegin(), boost::make_move_iterator(x.begin()), boost::make_move_iterator(x.end()));
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}
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}
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//! <b>Effects</b>: Constructs a list that will use a copy of allocator a
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//! and inserts a copy of the range [first, last) in the list.
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//!
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//! <b>Throws</b>: If allocator_type's default constructor
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//! throws or T's constructor taking a dereferenced InIt throws.
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//!
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//! <b>Complexity</b>: Linear to the range [first, last).
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template <class InpIt>
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list(InpIt first, InpIt last, const Allocator &a = Allocator())
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: AllocHolder(a)
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{ this->insert(this->cbegin(), first, last); }
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#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
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//! <b>Effects</b>: Constructs a list that will use a copy of allocator a
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//! and inserts a copy of the range [il.begin(), il.end()) in the list.
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//!
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//! <b>Throws</b>: If allocator_type's default constructor
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//! throws or T's constructor taking a dereferenced
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//! std::initializer_list iterator throws.
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//!
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//! <b>Complexity</b>: Linear to the range [il.begin(), il.end()).
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list(std::initializer_list<value_type> il, const Allocator &a = Allocator())
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: AllocHolder(a)
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{ this->insert(this->cbegin(), il.begin(), il.end()); }
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#endif
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//! <b>Effects</b>: Destroys the list. All stored values are destroyed
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//! and used memory is deallocated.
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//!
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//! <b>Throws</b>: Nothing.
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//!
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//! <b>Complexity</b>: Linear to the number of elements.
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~list() BOOST_NOEXCEPT_OR_NOTHROW
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{} //AllocHolder clears the list
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//! <b>Effects</b>: Makes *this contain the same elements as x.
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//!
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//! <b>Postcondition</b>: this->size() == x.size(). *this contains a copy
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//! of each of x's elements.
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//!
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//! <b>Throws</b>: If memory allocation throws or T's copy constructor throws.
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//!
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//! <b>Complexity</b>: Linear to the number of elements in x.
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list& operator=(BOOST_COPY_ASSIGN_REF(list) x)
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{
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if (&x != this){
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NodeAlloc &this_alloc = this->node_alloc();
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const NodeAlloc &x_alloc = x.node_alloc();
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container_detail::bool_<allocator_traits_type::
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propagate_on_container_copy_assignment::value> flag;
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if(flag && this_alloc != x_alloc){
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this->clear();
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}
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this->AllocHolder::copy_assign_alloc(x);
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this->assign(x.begin(), x.end());
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}
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return *this;
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}
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//! <b>Effects</b>: Move assignment. All x's values are transferred to *this.
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//!
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//! <b>Postcondition</b>: x.empty(). *this contains a the elements x had
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//! before the function.
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//!
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//! <b>Throws</b>: If allocator_traits_type::propagate_on_container_move_assignment
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//! is false and (allocation throws or value_type's move constructor throws)
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//!
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//! <b>Complexity</b>: Constant if allocator_traits_type::
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//! propagate_on_container_move_assignment is true or
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//! this->get>allocator() == x.get_allocator(). Linear otherwise.
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list& operator=(BOOST_RV_REF(list) x)
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BOOST_NOEXCEPT_IF(allocator_traits_type::propagate_on_container_move_assignment::value
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|| allocator_traits_type::is_always_equal::value)
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{
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BOOST_ASSERT(this != &x);
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NodeAlloc &this_alloc = this->node_alloc();
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NodeAlloc &x_alloc = x.node_alloc();
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const bool propagate_alloc = allocator_traits_type::
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propagate_on_container_move_assignment::value;
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const bool allocators_equal = this_alloc == x_alloc; (void)allocators_equal;
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//Resources can be transferred if both allocators are
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//going to be equal after this function (either propagated or already equal)
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if(propagate_alloc || allocators_equal){
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//Destroy
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this->clear();
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//Move allocator if needed
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this->AllocHolder::move_assign_alloc(x);
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//Obtain resources
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this->icont() = boost::move(x.icont());
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}
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//Else do a one by one move
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else{
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this->assign( boost::make_move_iterator(x.begin())
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, boost::make_move_iterator(x.end()));
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}
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return *this;
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}
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#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
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//! <b>Effects</b>: Makes *this contain the same elements as il.
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//!
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//! <b>Postcondition</b>: this->size() == il.size(). *this contains a copy
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//! of each of x's elements.
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//!
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//! <b>Throws</b>: If memory allocation throws or T's copy constructor throws.
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//!
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//! <b>Complexity</b>: Linear to the number of elements in x.
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list& operator=(std::initializer_list<value_type> il)
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{
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assign(il.begin(), il.end());
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return *this;
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}
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#endif
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//! <b>Effects</b>: Assigns the n copies of val to *this.
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//!
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//! <b>Throws</b>: If memory allocation throws or T's copy constructor throws.
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//!
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//! <b>Complexity</b>: Linear to n.
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void assign(size_type n, const T& val)
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{
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typedef constant_iterator<value_type, difference_type> cvalue_iterator;
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return this->assign(cvalue_iterator(val, n), cvalue_iterator());
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}
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//! <b>Effects</b>: Assigns the range [first, last) to *this.
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//!
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//! <b>Throws</b>: If memory allocation throws or
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//! T's constructor from dereferencing InpIt throws.
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//!
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//! <b>Complexity</b>: Linear to n.
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template <class InpIt>
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void assign(InpIt first, InpIt last
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#if !defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
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, typename container_detail::disable_if_convertible<InpIt, size_type>::type * = 0
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#endif
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)
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{
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iterator first1 = this->begin();
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const iterator last1 = this->end();
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for ( ; first1 != last1 && first != last; ++first1, ++first)
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*first1 = *first;
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if (first == last)
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this->erase(first1, last1);
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else{
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this->insert(last1, first, last);
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}
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}
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#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
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//! <b>Effects</b>: Assigns the range [il.begin(), il.end()) to *this.
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//!
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//! <b>Throws</b>: If memory allocation throws or
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//! T's constructor from dereferencing std::initializer_list iterator throws.
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//!
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//! <b>Complexity</b>: Linear to n.
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void assign(std::initializer_list<value_type> il)
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{ assign(il.begin(), il.end()); }
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#endif
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//! <b>Effects</b>: Returns a copy of the internal allocator.
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//!
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//! <b>Throws</b>: If allocator's copy constructor throws.
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//!
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//! <b>Complexity</b>: Constant.
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allocator_type get_allocator() const BOOST_NOEXCEPT_OR_NOTHROW
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{ return allocator_type(this->node_alloc()); }
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//! <b>Effects</b>: Returns a reference to the internal allocator.
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//!
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//! <b>Throws</b>: Nothing
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//!
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//! <b>Complexity</b>: Constant.
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//!
|
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//! <b>Note</b>: Non-standard extension.
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stored_allocator_type &get_stored_allocator() BOOST_NOEXCEPT_OR_NOTHROW
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{ return this->node_alloc(); }
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//! <b>Effects</b>: Returns a reference to the internal allocator.
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//!
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//! <b>Throws</b>: Nothing
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//!
|
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//! <b>Complexity</b>: Constant.
|
|
//!
|
|
//! <b>Note</b>: Non-standard extension.
|
|
const stored_allocator_type &get_stored_allocator() const BOOST_NOEXCEPT_OR_NOTHROW
|
|
{ return this->node_alloc(); }
|
|
|
|
//////////////////////////////////////////////
|
|
//
|
|
// iterators
|
|
//
|
|
//////////////////////////////////////////////
|
|
|
|
//! <b>Effects</b>: Returns an iterator to the first element contained in the list.
|
|
//!
|
|
//! <b>Throws</b>: Nothing.
|
|
//!
|
|
//! <b>Complexity</b>: Constant.
|
|
iterator begin() BOOST_NOEXCEPT_OR_NOTHROW
|
|
{ return iterator(this->icont().begin()); }
|
|
|
|
//! <b>Effects</b>: Returns a const_iterator to the first element contained in the list.
|
|
//!
|
|
//! <b>Throws</b>: Nothing.
|
|
//!
|
|
//! <b>Complexity</b>: Constant.
|
|
const_iterator begin() const BOOST_NOEXCEPT_OR_NOTHROW
|
|
{ return this->cbegin(); }
|
|
|
|
//! <b>Effects</b>: Returns an iterator to the end of the list.
|
|
//!
|
|
//! <b>Throws</b>: Nothing.
|
|
//!
|
|
//! <b>Complexity</b>: Constant.
|
|
iterator end() BOOST_NOEXCEPT_OR_NOTHROW
|
|
{ return iterator(this->icont().end()); }
|
|
|
|
//! <b>Effects</b>: Returns a const_iterator to the end of the list.
|
|
//!
|
|
//! <b>Throws</b>: Nothing.
|
|
//!
|
|
//! <b>Complexity</b>: Constant.
|
|
const_iterator end() const BOOST_NOEXCEPT_OR_NOTHROW
|
|
{ return this->cend(); }
|
|
|
|
//! <b>Effects</b>: Returns a reverse_iterator pointing to the beginning
|
|
//! of the reversed list.
|
|
//!
|
|
//! <b>Throws</b>: Nothing.
|
|
//!
|
|
//! <b>Complexity</b>: Constant.
|
|
reverse_iterator rbegin() BOOST_NOEXCEPT_OR_NOTHROW
|
|
{ return reverse_iterator(end()); }
|
|
|
|
//! <b>Effects</b>: Returns a const_reverse_iterator pointing to the beginning
|
|
//! of the reversed list.
|
|
//!
|
|
//! <b>Throws</b>: Nothing.
|
|
//!
|
|
//! <b>Complexity</b>: Constant.
|
|
const_reverse_iterator rbegin() const BOOST_NOEXCEPT_OR_NOTHROW
|
|
{ return this->crbegin(); }
|
|
|
|
//! <b>Effects</b>: Returns a reverse_iterator pointing to the end
|
|
//! of the reversed list.
|
|
//!
|
|
//! <b>Throws</b>: Nothing.
|
|
//!
|
|
//! <b>Complexity</b>: Constant.
|
|
reverse_iterator rend() BOOST_NOEXCEPT_OR_NOTHROW
|
|
{ return reverse_iterator(begin()); }
|
|
|
|
//! <b>Effects</b>: Returns a const_reverse_iterator pointing to the end
|
|
//! of the reversed list.
|
|
//!
|
|
//! <b>Throws</b>: Nothing.
|
|
//!
|
|
//! <b>Complexity</b>: Constant.
|
|
const_reverse_iterator rend() const BOOST_NOEXCEPT_OR_NOTHROW
|
|
{ return this->crend(); }
|
|
|
|
//! <b>Effects</b>: Returns a const_iterator to the first element contained in the list.
|
|
//!
|
|
//! <b>Throws</b>: Nothing.
|
|
//!
|
|
//! <b>Complexity</b>: Constant.
|
|
const_iterator cbegin() const BOOST_NOEXCEPT_OR_NOTHROW
|
|
{ return const_iterator(this->non_const_icont().begin()); }
|
|
|
|
//! <b>Effects</b>: Returns a const_iterator to the end of the list.
|
|
//!
|
|
//! <b>Throws</b>: Nothing.
|
|
//!
|
|
//! <b>Complexity</b>: Constant.
|
|
const_iterator cend() const BOOST_NOEXCEPT_OR_NOTHROW
|
|
{ return const_iterator(this->non_const_icont().end()); }
|
|
|
|
//! <b>Effects</b>: Returns a const_reverse_iterator pointing to the beginning
|
|
//! of the reversed list.
|
|
//!
|
|
//! <b>Throws</b>: Nothing.
|
|
//!
|
|
//! <b>Complexity</b>: Constant.
|
|
const_reverse_iterator crbegin() const BOOST_NOEXCEPT_OR_NOTHROW
|
|
{ return const_reverse_iterator(this->cend()); }
|
|
|
|
//! <b>Effects</b>: Returns a const_reverse_iterator pointing to the end
|
|
//! of the reversed list.
|
|
//!
|
|
//! <b>Throws</b>: Nothing.
|
|
//!
|
|
//! <b>Complexity</b>: Constant.
|
|
const_reverse_iterator crend() const BOOST_NOEXCEPT_OR_NOTHROW
|
|
{ return const_reverse_iterator(this->cbegin()); }
|
|
|
|
//////////////////////////////////////////////
|
|
//
|
|
// capacity
|
|
//
|
|
//////////////////////////////////////////////
|
|
|
|
//! <b>Effects</b>: Returns true if the list contains no elements.
|
|
//!
|
|
//! <b>Throws</b>: Nothing.
|
|
//!
|
|
//! <b>Complexity</b>: Constant.
|
|
bool empty() const BOOST_NOEXCEPT_OR_NOTHROW
|
|
{ return !this->size(); }
|
|
|
|
//! <b>Effects</b>: Returns the number of the elements contained in the list.
|
|
//!
|
|
//! <b>Throws</b>: Nothing.
|
|
//!
|
|
//! <b>Complexity</b>: Constant.
|
|
size_type size() const BOOST_NOEXCEPT_OR_NOTHROW
|
|
{ return this->icont().size(); }
|
|
|
|
//! <b>Effects</b>: Returns the largest possible size of the list.
|
|
//!
|
|
//! <b>Throws</b>: Nothing.
|
|
//!
|
|
//! <b>Complexity</b>: Constant.
|
|
size_type max_size() const BOOST_NOEXCEPT_OR_NOTHROW
|
|
{ return AllocHolder::max_size(); }
|
|
|
|
//! <b>Effects</b>: Inserts or erases elements at the end such that
|
|
//! the size becomes n. New elements are value initialized.
|
|
//!
|
|
//! <b>Throws</b>: If memory allocation throws, or T's copy constructor throws.
|
|
//!
|
|
//! <b>Complexity</b>: Linear to the difference between size() and new_size.
|
|
void resize(size_type new_size)
|
|
{
|
|
if(!priv_try_shrink(new_size)){
|
|
typedef value_init_construct_iterator<value_type, difference_type> value_init_iterator;
|
|
this->insert(this->cend(), value_init_iterator(new_size - this->size()), value_init_iterator());
|
|
}
|
|
}
|
|
|
|
//! <b>Effects</b>: Inserts or erases elements at the end such that
|
|
//! the size becomes n. New elements are copy constructed from x.
|
|
//!
|
|
//! <b>Throws</b>: If memory allocation throws, or T's copy constructor throws.
|
|
//!
|
|
//! <b>Complexity</b>: Linear to the difference between size() and new_size.
|
|
void resize(size_type new_size, const T& x)
|
|
{
|
|
if(!priv_try_shrink(new_size)){
|
|
this->insert(this->cend(), new_size - this->size(), x);
|
|
}
|
|
}
|
|
|
|
//////////////////////////////////////////////
|
|
//
|
|
// element access
|
|
//
|
|
//////////////////////////////////////////////
|
|
|
|
//! <b>Requires</b>: !empty()
|
|
//!
|
|
//! <b>Effects</b>: Returns a reference to the first element
|
|
//! from the beginning of the container.
|
|
//!
|
|
//! <b>Throws</b>: Nothing.
|
|
//!
|
|
//! <b>Complexity</b>: Constant.
|
|
reference front() BOOST_NOEXCEPT_OR_NOTHROW
|
|
{
|
|
BOOST_ASSERT(!this->empty());
|
|
return *this->begin();
|
|
}
|
|
|
|
//! <b>Requires</b>: !empty()
|
|
//!
|
|
//! <b>Effects</b>: Returns a const reference to the first element
|
|
//! from the beginning of the container.
|
|
//!
|
|
//! <b>Throws</b>: Nothing.
|
|
//!
|
|
//! <b>Complexity</b>: Constant.
|
|
const_reference front() const BOOST_NOEXCEPT_OR_NOTHROW
|
|
{
|
|
BOOST_ASSERT(!this->empty());
|
|
return *this->begin();
|
|
}
|
|
|
|
//! <b>Requires</b>: !empty()
|
|
//!
|
|
//! <b>Effects</b>: Returns a reference to the first element
|
|
//! from the beginning of the container.
|
|
//!
|
|
//! <b>Throws</b>: Nothing.
|
|
//!
|
|
//! <b>Complexity</b>: Constant.
|
|
reference back() BOOST_NOEXCEPT_OR_NOTHROW
|
|
{
|
|
BOOST_ASSERT(!this->empty());
|
|
return *(--this->end());
|
|
}
|
|
|
|
//! <b>Requires</b>: !empty()
|
|
//!
|
|
//! <b>Effects</b>: Returns a const reference to the first element
|
|
//! from the beginning of the container.
|
|
//!
|
|
//! <b>Throws</b>: Nothing.
|
|
//!
|
|
//! <b>Complexity</b>: Constant.
|
|
const_reference back() const BOOST_NOEXCEPT_OR_NOTHROW
|
|
{
|
|
BOOST_ASSERT(!this->empty());
|
|
return *(--this->end());
|
|
}
|
|
|
|
//////////////////////////////////////////////
|
|
//
|
|
// modifiers
|
|
//
|
|
//////////////////////////////////////////////
|
|
|
|
#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) || defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
|
|
|
|
//! <b>Effects</b>: Inserts an object of type T constructed with
|
|
//! std::forward<Args>(args)... in the end of the list.
|
|
//!
|
|
//! <b>Returns</b>: A reference to the created object.
|
|
//!
|
|
//! <b>Throws</b>: If memory allocation throws or
|
|
//! T's in-place constructor throws.
|
|
//!
|
|
//! <b>Complexity</b>: Constant
|
|
template <class... Args>
|
|
reference emplace_back(BOOST_FWD_REF(Args)... args)
|
|
{ return *this->emplace(this->cend(), boost::forward<Args>(args)...); }
|
|
|
|
//! <b>Effects</b>: Inserts an object of type T constructed with
|
|
//! std::forward<Args>(args)... in the beginning of the list.
|
|
//!
|
|
//! <b>Returns</b>: A reference to the created object.
|
|
//!
|
|
//! <b>Throws</b>: If memory allocation throws or
|
|
//! T's in-place constructor throws.
|
|
//!
|
|
//! <b>Complexity</b>: Constant
|
|
template <class... Args>
|
|
reference emplace_front(BOOST_FWD_REF(Args)... args)
|
|
{ return *this->emplace(this->cbegin(), boost::forward<Args>(args)...); }
|
|
|
|
//! <b>Effects</b>: Inserts an object of type T constructed with
|
|
//! std::forward<Args>(args)... before p.
|
|
//!
|
|
//! <b>Throws</b>: If memory allocation throws or
|
|
//! T's in-place constructor throws.
|
|
//!
|
|
//! <b>Complexity</b>: Constant
|
|
template <class... Args>
|
|
iterator emplace(const_iterator position, BOOST_FWD_REF(Args)... args)
|
|
{
|
|
BOOST_ASSERT((priv_is_linked)(position));
|
|
NodePtr pnode(AllocHolder::create_node(boost::forward<Args>(args)...));
|
|
return iterator(this->icont().insert(position.get(), *pnode));
|
|
}
|
|
|
|
#else // !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
|
|
|
|
#define BOOST_CONTAINER_LIST_EMPLACE_CODE(N) \
|
|
BOOST_MOVE_TMPL_LT##N BOOST_MOVE_CLASS##N BOOST_MOVE_GT##N \
|
|
reference emplace_back(BOOST_MOVE_UREF##N)\
|
|
{ return *this->emplace(this->cend() BOOST_MOVE_I##N BOOST_MOVE_FWD##N); }\
|
|
\
|
|
BOOST_MOVE_TMPL_LT##N BOOST_MOVE_CLASS##N BOOST_MOVE_GT##N \
|
|
reference emplace_front(BOOST_MOVE_UREF##N)\
|
|
{ return *this->emplace(this->cbegin() BOOST_MOVE_I##N BOOST_MOVE_FWD##N);}\
|
|
\
|
|
BOOST_MOVE_TMPL_LT##N BOOST_MOVE_CLASS##N BOOST_MOVE_GT##N \
|
|
iterator emplace(const_iterator position BOOST_MOVE_I##N BOOST_MOVE_UREF##N)\
|
|
{\
|
|
BOOST_ASSERT(position == this->cend() || (--(++position) == position) );\
|
|
NodePtr pnode (AllocHolder::create_node(BOOST_MOVE_FWD##N));\
|
|
return iterator(this->icont().insert(position.get(), *pnode));\
|
|
}\
|
|
//
|
|
BOOST_MOVE_ITERATE_0TO9(BOOST_CONTAINER_LIST_EMPLACE_CODE)
|
|
#undef BOOST_CONTAINER_LIST_EMPLACE_CODE
|
|
|
|
#endif // !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
|
|
|
|
#if defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
|
|
//! <b>Effects</b>: Inserts a copy of x at the beginning of the list.
|
|
//!
|
|
//! <b>Throws</b>: If memory allocation throws or
|
|
//! T's copy constructor throws.
|
|
//!
|
|
//! <b>Complexity</b>: Amortized constant time.
|
|
void push_front(const T &x);
|
|
|
|
//! <b>Effects</b>: Constructs a new element in the beginning of the list
|
|
//! and moves the resources of x to this new element.
|
|
//!
|
|
//! <b>Throws</b>: If memory allocation throws.
|
|
//!
|
|
//! <b>Complexity</b>: Amortized constant time.
|
|
void push_front(T &&x);
|
|
#else
|
|
BOOST_MOVE_CONVERSION_AWARE_CATCH(push_front, T, void, priv_push_front)
|
|
#endif
|
|
|
|
#if defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
|
|
//! <b>Effects</b>: Inserts a copy of x at the end of the list.
|
|
//!
|
|
//! <b>Throws</b>: If memory allocation throws or
|
|
//! T's copy constructor throws.
|
|
//!
|
|
//! <b>Complexity</b>: Amortized constant time.
|
|
void push_back(const T &x);
|
|
|
|
//! <b>Effects</b>: Constructs a new element in the end of the list
|
|
//! and moves the resources of x to this new element.
|
|
//!
|
|
//! <b>Throws</b>: If memory allocation throws.
|
|
//!
|
|
//! <b>Complexity</b>: Amortized constant time.
|
|
void push_back(T &&x);
|
|
#else
|
|
BOOST_MOVE_CONVERSION_AWARE_CATCH(push_back, T, void, priv_push_back)
|
|
#endif
|
|
|
|
#if defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
|
|
//! <b>Requires</b>: p must be a valid iterator of *this.
|
|
//!
|
|
//! <b>Effects</b>: Insert a copy of x before p.
|
|
//!
|
|
//! <b>Returns</b>: an iterator to the inserted element.
|
|
//!
|
|
//! <b>Throws</b>: If memory allocation throws or x's copy constructor throws.
|
|
//!
|
|
//! <b>Complexity</b>: Amortized constant time.
|
|
iterator insert(const_iterator p, const T &x);
|
|
|
|
//! <b>Requires</b>: p must be a valid iterator of *this.
|
|
//!
|
|
//! <b>Effects</b>: Insert a new element before p with x's resources.
|
|
//!
|
|
//! <b>Returns</b>: an iterator to the inserted element.
|
|
//!
|
|
//! <b>Throws</b>: If memory allocation throws.
|
|
//!
|
|
//! <b>Complexity</b>: Amortized constant time.
|
|
iterator insert(const_iterator p, T &&x);
|
|
#else
|
|
BOOST_MOVE_CONVERSION_AWARE_CATCH_1ARG(insert, T, iterator, priv_insert, const_iterator, const_iterator)
|
|
#endif
|
|
|
|
//! <b>Requires</b>: p must be a valid iterator of *this.
|
|
//!
|
|
//! <b>Effects</b>: Inserts n copies of x before p.
|
|
//!
|
|
//! <b>Returns</b>: an iterator to the first inserted element or p if n is 0.
|
|
//!
|
|
//! <b>Throws</b>: If memory allocation throws or T's copy constructor throws.
|
|
//!
|
|
//! <b>Complexity</b>: Linear to n.
|
|
iterator insert(const_iterator position, size_type n, const T& x)
|
|
{
|
|
//range check is done by insert
|
|
typedef constant_iterator<value_type, difference_type> cvalue_iterator;
|
|
return this->insert(position, cvalue_iterator(x, n), cvalue_iterator());
|
|
}
|
|
|
|
//! <b>Requires</b>: p must be a valid iterator of *this.
|
|
//!
|
|
//! <b>Effects</b>: Insert a copy of the [first, last) range before p.
|
|
//!
|
|
//! <b>Returns</b>: an iterator to the first inserted element or p if first == last.
|
|
//!
|
|
//! <b>Throws</b>: If memory allocation throws, T's constructor from a
|
|
//! dereferenced InpIt throws.
|
|
//!
|
|
//! <b>Complexity</b>: Linear to distance [first, last).
|
|
template <class InpIt>
|
|
iterator insert(const_iterator p, InpIt first, InpIt last
|
|
#if !defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
|
|
, typename container_detail::enable_if_c
|
|
< !container_detail::is_convertible<InpIt, size_type>::value
|
|
&& (container_detail::is_input_iterator<InpIt>::value
|
|
|| container_detail::is_same<alloc_version, version_1>::value
|
|
)
|
|
>::type * = 0
|
|
#endif
|
|
)
|
|
{
|
|
BOOST_ASSERT((priv_is_linked)(p));
|
|
const typename Icont::iterator ipos(p.get());
|
|
iterator ret_it(ipos);
|
|
if(first != last){
|
|
ret_it = iterator(this->icont().insert(ipos, *this->create_node_from_it(first)));
|
|
++first;
|
|
}
|
|
for (; first != last; ++first){
|
|
this->icont().insert(ipos, *this->create_node_from_it(first));
|
|
}
|
|
return ret_it;
|
|
}
|
|
|
|
#if !defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
|
|
template <class FwdIt>
|
|
iterator insert(const_iterator position, FwdIt first, FwdIt last
|
|
, typename container_detail::enable_if_c
|
|
< !container_detail::is_convertible<FwdIt, size_type>::value
|
|
&& !(container_detail::is_input_iterator<FwdIt>::value
|
|
|| container_detail::is_same<alloc_version, version_1>::value
|
|
)
|
|
>::type * = 0
|
|
)
|
|
{
|
|
BOOST_ASSERT((priv_is_linked)(position));
|
|
//Optimized allocation and construction
|
|
insertion_functor func(this->icont(), position.get());
|
|
iterator before_p(position.get());
|
|
--before_p;
|
|
this->allocate_many_and_construct(first, boost::container::iterator_distance(first, last), func);
|
|
return ++before_p;
|
|
}
|
|
#endif
|
|
|
|
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
|
|
//! <b>Requires</b>: p must be a valid iterator of *this.
|
|
//!
|
|
//! <b>Effects</b>: Insert a copy of the [il.begin(), il.end()) range before p.
|
|
//!
|
|
//! <b>Returns</b>: an iterator to the first inserted element or p if if.begin() == il.end().
|
|
//!
|
|
//! <b>Throws</b>: If memory allocation throws, T's constructor from a
|
|
//! dereferenced std::initializer_list iterator throws.
|
|
//!
|
|
//! <b>Complexity</b>: Linear to distance [il.begin(), il.end()).
|
|
iterator insert(const_iterator p, std::initializer_list<value_type> il)
|
|
{
|
|
//position range check is done by insert()
|
|
return insert(p, il.begin(), il.end());
|
|
}
|
|
#endif
|
|
|
|
//! <b>Effects</b>: Removes the first element from the list.
|
|
//!
|
|
//! <b>Throws</b>: Nothing.
|
|
//!
|
|
//! <b>Complexity</b>: Amortized constant time.
|
|
void pop_front() BOOST_NOEXCEPT_OR_NOTHROW
|
|
{
|
|
BOOST_ASSERT(!this->empty());
|
|
this->erase(this->cbegin());
|
|
}
|
|
|
|
//! <b>Effects</b>: Removes the last element from the list.
|
|
//!
|
|
//! <b>Throws</b>: Nothing.
|
|
//!
|
|
//! <b>Complexity</b>: Amortized constant time.
|
|
void pop_back() BOOST_NOEXCEPT_OR_NOTHROW
|
|
{
|
|
BOOST_ASSERT(!this->empty());
|
|
const_iterator tmp = this->cend();
|
|
this->erase(--tmp);
|
|
}
|
|
|
|
//! <b>Requires</b>: p must be a valid iterator of *this.
|
|
//!
|
|
//! <b>Effects</b>: Erases the element at p.
|
|
//!
|
|
//! <b>Throws</b>: Nothing.
|
|
//!
|
|
//! <b>Complexity</b>: Amortized constant time.
|
|
iterator erase(const_iterator p) BOOST_NOEXCEPT_OR_NOTHROW
|
|
{
|
|
BOOST_ASSERT(p != this->cend() && (priv_is_linked)(p));
|
|
return iterator(this->icont().erase_and_dispose(p.get(), Destroyer(this->node_alloc())));
|
|
}
|
|
|
|
//! <b>Requires</b>: first and last must be valid iterator to elements in *this.
|
|
//!
|
|
//! <b>Effects</b>: Erases the elements pointed by [first, last).
|
|
//!
|
|
//! <b>Throws</b>: Nothing.
|
|
//!
|
|
//! <b>Complexity</b>: Linear to the distance between first and last.
|
|
iterator erase(const_iterator first, const_iterator last) BOOST_NOEXCEPT_OR_NOTHROW
|
|
{
|
|
BOOST_ASSERT(first == last || (first != this->cend() && (priv_is_linked)(first)));
|
|
BOOST_ASSERT(first == last || (priv_is_linked)(last));
|
|
return iterator(AllocHolder::erase_range(first.get(), last.get(), alloc_version()));
|
|
}
|
|
|
|
//! <b>Effects</b>: Swaps the contents of *this and x.
|
|
//!
|
|
//! <b>Throws</b>: Nothing.
|
|
//!
|
|
//! <b>Complexity</b>: Constant.
|
|
void swap(list& x)
|
|
BOOST_NOEXCEPT_IF(allocator_traits_type::propagate_on_container_swap::value
|
|
|| allocator_traits_type::is_always_equal::value)
|
|
{
|
|
BOOST_ASSERT(allocator_traits_type::propagate_on_container_swap::value ||
|
|
allocator_traits_type::is_always_equal::value ||
|
|
this->get_stored_allocator() == x.get_stored_allocator());
|
|
AllocHolder::swap(x);
|
|
}
|
|
|
|
//! <b>Effects</b>: Erases all the elements of the list.
|
|
//!
|
|
//! <b>Throws</b>: Nothing.
|
|
//!
|
|
//! <b>Complexity</b>: Linear to the number of elements in the list.
|
|
void clear() BOOST_NOEXCEPT_OR_NOTHROW
|
|
{ AllocHolder::clear(alloc_version()); }
|
|
|
|
//////////////////////////////////////////////
|
|
//
|
|
// slist operations
|
|
//
|
|
//////////////////////////////////////////////
|
|
|
|
//! <b>Requires</b>: p must point to an element contained
|
|
//! by the list. x != *this. this' allocator and x's allocator shall compare equal
|
|
//!
|
|
//! <b>Effects</b>: Transfers all the elements of list x to this list, before the
|
|
//! the element pointed by p. No destructors or copy constructors are called.
|
|
//!
|
|
//! <b>Throws</b>: Nothing
|
|
//!
|
|
//! <b>Complexity</b>: Constant.
|
|
//!
|
|
//! <b>Note</b>: Iterators of values obtained from list x now point to elements of
|
|
//! this list. Iterators of this list and all the references are not invalidated.
|
|
void splice(const_iterator p, list& x) BOOST_NOEXCEPT_OR_NOTHROW
|
|
{
|
|
BOOST_ASSERT((priv_is_linked)(p));
|
|
BOOST_ASSERT(this != &x);
|
|
BOOST_ASSERT(this->node_alloc() == x.node_alloc());
|
|
this->icont().splice(p.get(), x.icont());
|
|
}
|
|
|
|
//! <b>Requires</b>: p must point to an element contained
|
|
//! by the list. x != *this. this' allocator and x's allocator shall compare equal
|
|
//!
|
|
//! <b>Effects</b>: Transfers all the elements of list x to this list, before the
|
|
//! the element pointed by p. No destructors or copy constructors are called.
|
|
//!
|
|
//! <b>Throws</b>: Nothing
|
|
//!
|
|
//! <b>Complexity</b>: Constant.
|
|
//!
|
|
//! <b>Note</b>: Iterators of values obtained from list x now point to elements of
|
|
//! this list. Iterators of this list and all the references are not invalidated.
|
|
void splice(const_iterator p, BOOST_RV_REF(list) x) BOOST_NOEXCEPT_OR_NOTHROW
|
|
{
|
|
//Checks done in splice
|
|
this->splice(p, static_cast<list&>(x));
|
|
}
|
|
|
|
//! <b>Requires</b>: p must point to an element contained
|
|
//! by this list. i must point to an element contained in list x.
|
|
//! this' allocator and x's allocator shall compare equal
|
|
//!
|
|
//! <b>Effects</b>: Transfers the value pointed by i, from list x to this list,
|
|
//! before the element pointed by p. No destructors or copy constructors are called.
|
|
//! If p == i or p == ++i, this function is a null operation.
|
|
//!
|
|
//! <b>Throws</b>: Nothing
|
|
//!
|
|
//! <b>Complexity</b>: Constant.
|
|
//!
|
|
//! <b>Note</b>: Iterators of values obtained from list x now point to elements of this
|
|
//! list. Iterators of this list and all the references are not invalidated.
|
|
void splice(const_iterator p, list &x, const_iterator i) BOOST_NOEXCEPT_OR_NOTHROW
|
|
{
|
|
BOOST_ASSERT((priv_is_linked)(p));
|
|
BOOST_ASSERT(this->node_alloc() == x.node_alloc());
|
|
this->icont().splice(p.get(), x.icont(), i.get());
|
|
}
|
|
|
|
//! <b>Requires</b>: p must point to an element contained
|
|
//! by this list. i must point to an element contained in list x.
|
|
//! this' allocator and x's allocator shall compare equal.
|
|
//!
|
|
//! <b>Effects</b>: Transfers the value pointed by i, from list x to this list,
|
|
//! before the element pointed by p. No destructors or copy constructors are called.
|
|
//! If p == i or p == ++i, this function is a null operation.
|
|
//!
|
|
//! <b>Throws</b>: Nothing
|
|
//!
|
|
//! <b>Complexity</b>: Constant.
|
|
//!
|
|
//! <b>Note</b>: Iterators of values obtained from list x now point to elements of this
|
|
//! list. Iterators of this list and all the references are not invalidated.
|
|
void splice(const_iterator p, BOOST_RV_REF(list) x, const_iterator i) BOOST_NOEXCEPT_OR_NOTHROW
|
|
{
|
|
BOOST_ASSERT(this != &x);
|
|
//Additional checks done in splice()
|
|
this->splice(p, static_cast<list&>(x), i);
|
|
}
|
|
|
|
//! <b>Requires</b>: p must point to an element contained
|
|
//! by this list. first and last must point to elements contained in list x.
|
|
//! this' allocator and x's allocator shall compare equal
|
|
//!
|
|
//! <b>Effects</b>: Transfers the range pointed by first and last from list x to this list,
|
|
//! before the element pointed by p. No destructors or copy constructors are called.
|
|
//!
|
|
//! <b>Throws</b>: Nothing
|
|
//!
|
|
//! <b>Complexity</b>: Linear to the number of elements transferred.
|
|
//!
|
|
//! <b>Note</b>: Iterators of values obtained from list x now point to elements of this
|
|
//! list. Iterators of this list and all the references are not invalidated.
|
|
void splice(const_iterator p, list &x, const_iterator first, const_iterator last) BOOST_NOEXCEPT_OR_NOTHROW
|
|
{
|
|
BOOST_ASSERT((priv_is_linked)(p));
|
|
BOOST_ASSERT(first == last || (first != x.cend() && x.priv_is_linked(first)));
|
|
BOOST_ASSERT(first == last || x.priv_is_linked(last));
|
|
BOOST_ASSERT(this->node_alloc() == x.node_alloc());
|
|
this->icont().splice(p.get(), x.icont(), first.get(), last.get());
|
|
}
|
|
|
|
//! <b>Requires</b>: p must point to an element contained
|
|
//! by this list. first and last must point to elements contained in list x.
|
|
//! this' allocator and x's allocator shall compare equal.
|
|
//!
|
|
//! <b>Effects</b>: Transfers the range pointed by first and last from list x to this list,
|
|
//! before the element pointed by p. No destructors or copy constructors are called.
|
|
//!
|
|
//! <b>Throws</b>: Nothing
|
|
//!
|
|
//! <b>Complexity</b>: Linear to the number of elements transferred.
|
|
//!
|
|
//! <b>Note</b>: Iterators of values obtained from list x now point to elements of this
|
|
//! list. Iterators of this list and all the references are not invalidated.
|
|
void splice(const_iterator p, BOOST_RV_REF(list) x, const_iterator first, const_iterator last) BOOST_NOEXCEPT_OR_NOTHROW
|
|
{
|
|
BOOST_ASSERT(this != &x);
|
|
//Additional checks done in splice()
|
|
this->splice(p, static_cast<list&>(x), first, last);
|
|
}
|
|
|
|
//! <b>Requires</b>: p must point to an element contained
|
|
//! by this list. first and last must point to elements contained in list x.
|
|
//! n == distance(first, last). this' allocator and x's allocator shall compare equal
|
|
//!
|
|
//! <b>Effects</b>: Transfers the range pointed by first and last from list x to this list,
|
|
//! before the element pointed by p. No destructors or copy constructors are called.
|
|
//!
|
|
//! <b>Throws</b>: Nothing
|
|
//!
|
|
//! <b>Complexity</b>: Constant.
|
|
//!
|
|
//! <b>Note</b>: Iterators of values obtained from list x now point to elements of this
|
|
//! list. Iterators of this list and all the references are not invalidated.
|
|
//!
|
|
//! <b>Note</b>: Non-standard extension
|
|
void splice(const_iterator p, list &x, const_iterator first, const_iterator last, size_type n) BOOST_NOEXCEPT_OR_NOTHROW
|
|
{
|
|
BOOST_ASSERT(this->node_alloc() == x.node_alloc());
|
|
this->icont().splice(p.get(), x.icont(), first.get(), last.get(), n);
|
|
}
|
|
|
|
//! <b>Requires</b>: p must point to an element contained
|
|
//! by this list. first and last must point to elements contained in list x.
|
|
//! n == distance(first, last). this' allocator and x's allocator shall compare equal
|
|
//!
|
|
//! <b>Effects</b>: Transfers the range pointed by first and last from list x to this list,
|
|
//! before the element pointed by p. No destructors or copy constructors are called.
|
|
//!
|
|
//! <b>Throws</b>: Nothing
|
|
//!
|
|
//! <b>Complexity</b>: Constant.
|
|
//!
|
|
//! <b>Note</b>: Iterators of values obtained from list x now point to elements of this
|
|
//! list. Iterators of this list and all the references are not invalidated.
|
|
//!
|
|
//! <b>Note</b>: Non-standard extension
|
|
void splice(const_iterator p, BOOST_RV_REF(list) x, const_iterator first, const_iterator last, size_type n) BOOST_NOEXCEPT_OR_NOTHROW
|
|
{ this->splice(p, static_cast<list&>(x), first, last, n); }
|
|
|
|
//! <b>Effects</b>: Removes all the elements that compare equal to value.
|
|
//!
|
|
//! <b>Throws</b>: If comparison throws.
|
|
//!
|
|
//! <b>Complexity</b>: Linear time. It performs exactly size() comparisons for equality.
|
|
//!
|
|
//! <b>Note</b>: The relative order of elements that are not removed is unchanged,
|
|
//! and iterators to elements that are not removed remain valid.
|
|
void remove(const T& value)
|
|
{ this->remove_if(equal_to_value_type(value)); }
|
|
|
|
//! <b>Effects</b>: Removes all the elements for which a specified
|
|
//! predicate is satisfied.
|
|
//!
|
|
//! <b>Throws</b>: If pred throws.
|
|
//!
|
|
//! <b>Complexity</b>: Linear time. It performs exactly size() calls to the predicate.
|
|
//!
|
|
//! <b>Note</b>: The relative order of elements that are not removed is unchanged,
|
|
//! and iterators to elements that are not removed remain valid.
|
|
template <class Pred>
|
|
void remove_if(Pred pred)
|
|
{
|
|
typedef value_to_node_compare<Node, Pred> value_to_node_compare_type;
|
|
this->icont().remove_and_dispose_if(value_to_node_compare_type(pred), Destroyer(this->node_alloc()));
|
|
}
|
|
|
|
//! <b>Effects</b>: Removes adjacent duplicate elements or adjacent
|
|
//! elements that are equal from the list.
|
|
//!
|
|
//! <b>Throws</b>: If comparison throws.
|
|
//!
|
|
//! <b>Complexity</b>: Linear time (size()-1 comparisons equality comparisons).
|
|
//!
|
|
//! <b>Note</b>: The relative order of elements that are not removed is unchanged,
|
|
//! and iterators to elements that are not removed remain valid.
|
|
void unique()
|
|
{ this->unique(value_equal()); }
|
|
|
|
//! <b>Effects</b>: Removes adjacent duplicate elements or adjacent
|
|
//! elements that satisfy some binary predicate from the list.
|
|
//!
|
|
//! <b>Throws</b>: If pred throws.
|
|
//!
|
|
//! <b>Complexity</b>: Linear time (size()-1 comparisons calls to pred()).
|
|
//!
|
|
//! <b>Note</b>: The relative order of elements that are not removed is unchanged,
|
|
//! and iterators to elements that are not removed remain valid.
|
|
template <class BinaryPredicate>
|
|
void unique(BinaryPredicate binary_pred)
|
|
{
|
|
typedef value_to_node_compare<Node, BinaryPredicate> value_to_node_compare_type;
|
|
this->icont().unique_and_dispose(value_to_node_compare_type(binary_pred), Destroyer(this->node_alloc()));
|
|
}
|
|
|
|
//! <b>Requires</b>: The lists x and *this must be distinct.
|
|
//!
|
|
//! <b>Effects</b>: This function removes all of x's elements and inserts them
|
|
//! in order into *this according to std::less<value_type>. The merge is stable;
|
|
//! that is, if an element from *this is equivalent to one from x, then the element
|
|
//! from *this will precede the one from x.
|
|
//!
|
|
//! <b>Throws</b>: If comparison throws.
|
|
//!
|
|
//! <b>Complexity</b>: This function is linear time: it performs at most
|
|
//! size() + x.size() - 1 comparisons.
|
|
void merge(list &x)
|
|
{ this->merge(x, value_less()); }
|
|
|
|
//! <b>Requires</b>: The lists x and *this must be distinct.
|
|
//!
|
|
//! <b>Effects</b>: This function removes all of x's elements and inserts them
|
|
//! in order into *this according to std::less<value_type>. The merge is stable;
|
|
//! that is, if an element from *this is equivalent to one from x, then the element
|
|
//! from *this will precede the one from x.
|
|
//!
|
|
//! <b>Throws</b>: If comparison throws.
|
|
//!
|
|
//! <b>Complexity</b>: This function is linear time: it performs at most
|
|
//! size() + x.size() - 1 comparisons.
|
|
void merge(BOOST_RV_REF(list) x)
|
|
{ this->merge(static_cast<list&>(x)); }
|
|
|
|
//! <b>Requires</b>: p must be a comparison function that induces a strict weak
|
|
//! ordering and both *this and x must be sorted according to that ordering
|
|
//! The lists x and *this must be distinct.
|
|
//!
|
|
//! <b>Effects</b>: This function removes all of x's elements and inserts them
|
|
//! in order into *this. The merge is stable; that is, if an element from *this is
|
|
//! equivalent to one from x, then the element from *this will precede the one from x.
|
|
//!
|
|
//! <b>Throws</b>: If comp throws.
|
|
//!
|
|
//! <b>Complexity</b>: This function is linear time: it performs at most
|
|
//! size() + x.size() - 1 comparisons.
|
|
//!
|
|
//! <b>Note</b>: Iterators and references to *this are not invalidated.
|
|
template <class StrictWeakOrdering>
|
|
void merge(list &x, const StrictWeakOrdering &comp)
|
|
{
|
|
BOOST_ASSERT(this->node_alloc() == x.node_alloc());
|
|
typedef value_to_node_compare<Node, StrictWeakOrdering> value_to_node_compare_type;
|
|
this->icont().merge(x.icont(), value_to_node_compare_type(comp));
|
|
}
|
|
|
|
//! <b>Requires</b>: p must be a comparison function that induces a strict weak
|
|
//! ordering and both *this and x must be sorted according to that ordering
|
|
//! The lists x and *this must be distinct.
|
|
//!
|
|
//! <b>Effects</b>: This function removes all of x's elements and inserts them
|
|
//! in order into *this. The merge is stable; that is, if an element from *this is
|
|
//! equivalent to one from x, then the element from *this will precede the one from x.
|
|
//!
|
|
//! <b>Throws</b>: If comp throws.
|
|
//!
|
|
//! <b>Complexity</b>: This function is linear time: it performs at most
|
|
//! size() + x.size() - 1 comparisons.
|
|
//!
|
|
//! <b>Note</b>: Iterators and references to *this are not invalidated.
|
|
template <class StrictWeakOrdering>
|
|
void merge(BOOST_RV_REF(list) x, StrictWeakOrdering comp)
|
|
{ this->merge(static_cast<list&>(x), comp); }
|
|
|
|
//! <b>Effects</b>: This function sorts the list *this according to std::less<value_type>.
|
|
//! The sort is stable, that is, the relative order of equivalent elements is preserved.
|
|
//!
|
|
//! <b>Throws</b>: If comparison throws.
|
|
//!
|
|
//! <b>Notes</b>: Iterators and references are not invalidated.
|
|
//!
|
|
//! <b>Complexity</b>: The number of comparisons is approximately N log N, where N
|
|
//! is the list's size.
|
|
void sort()
|
|
{ this->sort(value_less()); }
|
|
|
|
//! <b>Effects</b>: This function sorts the list *this according to std::less<value_type>.
|
|
//! The sort is stable, that is, the relative order of equivalent elements is preserved.
|
|
//!
|
|
//! <b>Throws</b>: If comp throws.
|
|
//!
|
|
//! <b>Notes</b>: Iterators and references are not invalidated.
|
|
//!
|
|
//! <b>Complexity</b>: The number of comparisons is approximately N log N, where N
|
|
//! is the list's size.
|
|
template <class StrictWeakOrdering>
|
|
void sort(StrictWeakOrdering comp)
|
|
{
|
|
// nothing if the list has length 0 or 1.
|
|
if (this->size() < 2)
|
|
return;
|
|
typedef value_to_node_compare<Node, StrictWeakOrdering> value_to_node_compare_type;
|
|
this->icont().sort(value_to_node_compare_type(comp));
|
|
}
|
|
|
|
//! <b>Effects</b>: Reverses the order of elements in the list.
|
|
//!
|
|
//! <b>Throws</b>: Nothing.
|
|
//!
|
|
//! <b>Complexity</b>: This function is linear time.
|
|
//!
|
|
//! <b>Note</b>: Iterators and references are not invalidated
|
|
void reverse() BOOST_NOEXCEPT_OR_NOTHROW
|
|
{ this->icont().reverse(); }
|
|
|
|
//! <b>Effects</b>: Returns true if x and y are equal
|
|
//!
|
|
//! <b>Complexity</b>: Linear to the number of elements in the container.
|
|
friend bool operator==(const list& x, const list& y)
|
|
{ return x.size() == y.size() && ::boost::container::algo_equal(x.begin(), x.end(), y.begin()); }
|
|
|
|
//! <b>Effects</b>: Returns true if x and y are unequal
|
|
//!
|
|
//! <b>Complexity</b>: Linear to the number of elements in the container.
|
|
friend bool operator!=(const list& x, const list& y)
|
|
{ return !(x == y); }
|
|
|
|
//! <b>Effects</b>: Returns true if x is less than y
|
|
//!
|
|
//! <b>Complexity</b>: Linear to the number of elements in the container.
|
|
friend bool operator<(const list& x, const list& y)
|
|
{ return boost::container::algo_lexicographical_compare(x.begin(), x.end(), y.begin(), y.end()); }
|
|
|
|
//! <b>Effects</b>: Returns true if x is greater than y
|
|
//!
|
|
//! <b>Complexity</b>: Linear to the number of elements in the container.
|
|
friend bool operator>(const list& x, const list& y)
|
|
{ return y < x; }
|
|
|
|
//! <b>Effects</b>: Returns true if x is equal or less than y
|
|
//!
|
|
//! <b>Complexity</b>: Linear to the number of elements in the container.
|
|
friend bool operator<=(const list& x, const list& y)
|
|
{ return !(y < x); }
|
|
|
|
//! <b>Effects</b>: Returns true if x is equal or greater than y
|
|
//!
|
|
//! <b>Complexity</b>: Linear to the number of elements in the container.
|
|
friend bool operator>=(const list& x, const list& y)
|
|
{ return !(x < y); }
|
|
|
|
//! <b>Effects</b>: x.swap(y)
|
|
//!
|
|
//! <b>Complexity</b>: Constant.
|
|
friend void swap(list& x, list& y)
|
|
{ x.swap(y); }
|
|
|
|
#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED
|
|
private:
|
|
|
|
static bool priv_is_linked(const_iterator const position)
|
|
{
|
|
const_iterator cur(position);
|
|
//This list is circular including end nodes
|
|
return (--(++cur)) == position && (++(--cur)) == position;
|
|
}
|
|
|
|
bool priv_try_shrink(size_type new_size)
|
|
{
|
|
const size_type len = this->size();
|
|
if(len > new_size){
|
|
const const_iterator iend = this->cend();
|
|
size_type to_erase = len - new_size;
|
|
const_iterator ifirst;
|
|
if(to_erase < len/2u){
|
|
ifirst = iend;
|
|
while(to_erase--){
|
|
--ifirst;
|
|
}
|
|
}
|
|
else{
|
|
ifirst = this->cbegin();
|
|
size_type to_skip = len - to_erase;
|
|
while(to_skip--){
|
|
++ifirst;
|
|
}
|
|
}
|
|
this->erase(ifirst, iend);
|
|
return true;
|
|
}
|
|
else{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
iterator priv_insert(const_iterator p, const T &x)
|
|
{
|
|
BOOST_ASSERT((priv_is_linked)(p));
|
|
NodePtr tmp = AllocHolder::create_node(x);
|
|
return iterator(this->icont().insert(p.get(), *tmp));
|
|
}
|
|
|
|
iterator priv_insert(const_iterator p, BOOST_RV_REF(T) x)
|
|
{
|
|
BOOST_ASSERT((priv_is_linked)(p));
|
|
NodePtr tmp = AllocHolder::create_node(boost::move(x));
|
|
return iterator(this->icont().insert(p.get(), *tmp));
|
|
}
|
|
|
|
void priv_push_back (const T &x)
|
|
{ this->insert(this->cend(), x); }
|
|
|
|
void priv_push_back (BOOST_RV_REF(T) x)
|
|
{ this->insert(this->cend(), boost::move(x)); }
|
|
|
|
void priv_push_front (const T &x)
|
|
{ this->insert(this->cbegin(), x); }
|
|
|
|
void priv_push_front (BOOST_RV_REF(T) x)
|
|
{ this->insert(this->cbegin(), boost::move(x)); }
|
|
|
|
class insertion_functor;
|
|
friend class insertion_functor;
|
|
|
|
class insertion_functor
|
|
{
|
|
Icont &icont_;
|
|
typedef typename Icont::const_iterator iconst_iterator;
|
|
const iconst_iterator pos_;
|
|
|
|
public:
|
|
insertion_functor(Icont &icont, typename Icont::const_iterator pos)
|
|
: icont_(icont), pos_(pos)
|
|
{}
|
|
|
|
void operator()(Node &n)
|
|
{
|
|
this->icont_.insert(pos_, n);
|
|
}
|
|
};
|
|
|
|
//Functors for member algorithm defaults
|
|
struct value_less
|
|
{
|
|
bool operator()(const value_type &a, const value_type &b) const
|
|
{ return a < b; }
|
|
};
|
|
|
|
struct value_equal
|
|
{
|
|
bool operator()(const value_type &a, const value_type &b) const
|
|
{ return a == b; }
|
|
};
|
|
#endif //#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED
|
|
|
|
};
|
|
|
|
#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED
|
|
|
|
} //namespace container {
|
|
|
|
//!has_trivial_destructor_after_move<> == true_type
|
|
//!specialization for optimizations
|
|
template <class T, class Allocator>
|
|
struct has_trivial_destructor_after_move<boost::container::list<T, Allocator> >
|
|
{
|
|
typedef typename ::boost::container::allocator_traits<Allocator>::pointer pointer;
|
|
static const bool value = ::boost::has_trivial_destructor_after_move<Allocator>::value &&
|
|
::boost::has_trivial_destructor_after_move<pointer>::value;
|
|
};
|
|
|
|
namespace container {
|
|
|
|
#endif //#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED
|
|
|
|
}}
|
|
|
|
#include <boost/container/detail/config_end.hpp>
|
|
|
|
#endif // BOOST_CONTAINER_LIST_HPP
|