1fe6060f1SDimitry Andric // -*- C++ -*- 2fe6060f1SDimitry Andric //===----------------------------------------------------------------------===// 3fe6060f1SDimitry Andric // 4fe6060f1SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5fe6060f1SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 6fe6060f1SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7fe6060f1SDimitry Andric // 8fe6060f1SDimitry Andric //===----------------------------------------------------------------------===// 9fe6060f1SDimitry Andric 10fe6060f1SDimitry Andric #ifndef _LIBCPP___ITERATOR_INSERT_ITERATOR_H 11fe6060f1SDimitry Andric #define _LIBCPP___ITERATOR_INSERT_ITERATOR_H 12fe6060f1SDimitry Andric 13fe6060f1SDimitry Andric #include <__config> 14fe6060f1SDimitry Andric #include <__iterator/iterator.h> 15fe6060f1SDimitry Andric #include <__iterator/iterator_traits.h> 16fe6060f1SDimitry Andric #include <__memory/addressof.h> 17*349cc55cSDimitry Andric #include <__ranges/access.h> 18fe6060f1SDimitry Andric #include <__utility/move.h> 19fe6060f1SDimitry Andric #include <cstddef> 20fe6060f1SDimitry Andric 21fe6060f1SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 22fe6060f1SDimitry Andric #pragma GCC system_header 23fe6060f1SDimitry Andric #endif 24fe6060f1SDimitry Andric 25fe6060f1SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 26fe6060f1SDimitry Andric 27*349cc55cSDimitry Andric #if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_RANGES) 28*349cc55cSDimitry Andric template <class _Container> 29*349cc55cSDimitry Andric using __insert_iterator_iter_t = ranges::iterator_t<_Container>; 30*349cc55cSDimitry Andric #else 31*349cc55cSDimitry Andric template <class _Container> 32*349cc55cSDimitry Andric using __insert_iterator_iter_t = typename _Container::iterator; 33*349cc55cSDimitry Andric #endif 34*349cc55cSDimitry Andric 35fe6060f1SDimitry Andric _LIBCPP_SUPPRESS_DEPRECATED_PUSH 36fe6060f1SDimitry Andric template <class _Container> 37fe6060f1SDimitry Andric class _LIBCPP_TEMPLATE_VIS insert_iterator 38fe6060f1SDimitry Andric #if _LIBCPP_STD_VER <= 14 || !defined(_LIBCPP_ABI_NO_ITERATOR_BASES) 39fe6060f1SDimitry Andric : public iterator<output_iterator_tag, void, void, void, void> 40fe6060f1SDimitry Andric #endif 41fe6060f1SDimitry Andric { 42fe6060f1SDimitry Andric _LIBCPP_SUPPRESS_DEPRECATED_POP 43fe6060f1SDimitry Andric protected: 44fe6060f1SDimitry Andric _Container* container; 45*349cc55cSDimitry Andric __insert_iterator_iter_t<_Container> iter; 46fe6060f1SDimitry Andric public: 47fe6060f1SDimitry Andric typedef output_iterator_tag iterator_category; 48fe6060f1SDimitry Andric typedef void value_type; 49fe6060f1SDimitry Andric #if _LIBCPP_STD_VER > 17 50fe6060f1SDimitry Andric typedef ptrdiff_t difference_type; 51fe6060f1SDimitry Andric #else 52fe6060f1SDimitry Andric typedef void difference_type; 53fe6060f1SDimitry Andric #endif 54fe6060f1SDimitry Andric typedef void pointer; 55fe6060f1SDimitry Andric typedef void reference; 56fe6060f1SDimitry Andric typedef _Container container_type; 57fe6060f1SDimitry Andric 58*349cc55cSDimitry Andric _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 insert_iterator(_Container& __x, __insert_iterator_iter_t<_Container> __i) 59fe6060f1SDimitry Andric : container(_VSTD::addressof(__x)), iter(__i) {} 60fe6060f1SDimitry Andric _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 insert_iterator& operator=(const typename _Container::value_type& __value_) 61fe6060f1SDimitry Andric {iter = container->insert(iter, __value_); ++iter; return *this;} 62fe6060f1SDimitry Andric #ifndef _LIBCPP_CXX03_LANG 63fe6060f1SDimitry Andric _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 insert_iterator& operator=(typename _Container::value_type&& __value_) 64fe6060f1SDimitry Andric {iter = container->insert(iter, _VSTD::move(__value_)); ++iter; return *this;} 65fe6060f1SDimitry Andric #endif // _LIBCPP_CXX03_LANG 66fe6060f1SDimitry Andric _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 insert_iterator& operator*() {return *this;} 67fe6060f1SDimitry Andric _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 insert_iterator& operator++() {return *this;} 68fe6060f1SDimitry Andric _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 insert_iterator& operator++(int) {return *this;} 69fe6060f1SDimitry Andric }; 70fe6060f1SDimitry Andric 71fe6060f1SDimitry Andric template <class _Container> 72fe6060f1SDimitry Andric inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 73fe6060f1SDimitry Andric insert_iterator<_Container> 74*349cc55cSDimitry Andric inserter(_Container& __x, __insert_iterator_iter_t<_Container> __i) 75fe6060f1SDimitry Andric { 76fe6060f1SDimitry Andric return insert_iterator<_Container>(__x, __i); 77fe6060f1SDimitry Andric } 78fe6060f1SDimitry Andric 79fe6060f1SDimitry Andric _LIBCPP_END_NAMESPACE_STD 80fe6060f1SDimitry Andric 81fe6060f1SDimitry Andric #endif // _LIBCPP___ITERATOR_INSERT_ITERATOR_H 82