Warning: This file is not a C or C++ file. It does not have highlighting.
| 1 | //===----------------------------------------------------------------------===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #ifndef _LIBCPP___ALGORITHM_RANGES_REPLACE_COPY_IF_H |
| 10 | #define _LIBCPP___ALGORITHM_RANGES_REPLACE_COPY_IF_H |
| 11 | |
| 12 | #include <__algorithm/in_out_result.h> |
| 13 | #include <__config> |
| 14 | #include <__functional/identity.h> |
| 15 | #include <__functional/invoke.h> |
| 16 | #include <__iterator/concepts.h> |
| 17 | #include <__iterator/projected.h> |
| 18 | #include <__ranges/access.h> |
| 19 | #include <__ranges/concepts.h> |
| 20 | #include <__ranges/dangling.h> |
| 21 | #include <__utility/move.h> |
| 22 | |
| 23 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| 24 | # pragma GCC system_header |
| 25 | #endif |
| 26 | |
| 27 | _LIBCPP_PUSH_MACROS |
| 28 | #include <__undef_macros> |
| 29 | |
| 30 | #if _LIBCPP_STD_VER >= 20 |
| 31 | |
| 32 | _LIBCPP_BEGIN_NAMESPACE_STD |
| 33 | |
| 34 | namespace ranges { |
| 35 | |
| 36 | template <class _InIter, class _OutIter> |
| 37 | using replace_copy_if_result = in_out_result<_InIter, _OutIter>; |
| 38 | |
| 39 | template <class _InIter, class _Sent, class _OutIter, class _Pred, class _Type, class _Proj> |
| 40 | _LIBCPP_HIDE_FROM_ABI constexpr replace_copy_if_result<_InIter, _OutIter> __replace_copy_if_impl( |
| 41 | _InIter __first, _Sent __last, _OutIter __result, _Pred& __pred, const _Type& __new_value, _Proj& __proj) { |
| 42 | while (__first != __last) { |
| 43 | if (std::invoke(__pred, std::invoke(__proj, *__first))) |
| 44 | *__result = __new_value; |
| 45 | else |
| 46 | *__result = *__first; |
| 47 | |
| 48 | ++__first; |
| 49 | ++__result; |
| 50 | } |
| 51 | |
| 52 | return {std::move(__first), std::move(__result)}; |
| 53 | } |
| 54 | |
| 55 | struct __replace_copy_if { |
| 56 | template <input_iterator _InIter, |
| 57 | sentinel_for<_InIter> _Sent, |
| 58 | class _Type, |
| 59 | output_iterator<const _Type&> _OutIter, |
| 60 | class _Proj = identity, |
| 61 | indirect_unary_predicate<projected<_InIter, _Proj>> _Pred> |
| 62 | requires indirectly_copyable<_InIter, _OutIter> |
| 63 | _LIBCPP_HIDE_FROM_ABI constexpr replace_copy_if_result<_InIter, _OutIter> operator()( |
| 64 | _InIter __first, _Sent __last, _OutIter __result, _Pred __pred, const _Type& __new_value, _Proj __proj = {}) |
| 65 | const { |
| 66 | return ranges::__replace_copy_if_impl( |
| 67 | std::move(__first), std::move(__last), std::move(__result), __pred, __new_value, __proj); |
| 68 | } |
| 69 | |
| 70 | template <input_range _Range, |
| 71 | class _Type, |
| 72 | output_iterator<const _Type&> _OutIter, |
| 73 | class _Proj = identity, |
| 74 | indirect_unary_predicate<projected<iterator_t<_Range>, _Proj>> _Pred> |
| 75 | requires indirectly_copyable<iterator_t<_Range>, _OutIter> |
| 76 | _LIBCPP_HIDE_FROM_ABI constexpr replace_copy_if_result<borrowed_iterator_t<_Range>, _OutIter> |
| 77 | operator()(_Range&& __range, _OutIter __result, _Pred __pred, const _Type& __new_value, _Proj __proj = {}) const { |
| 78 | return ranges::__replace_copy_if_impl( |
| 79 | ranges::begin(__range), ranges::end(__range), std::move(__result), __pred, __new_value, __proj); |
| 80 | } |
| 81 | }; |
| 82 | |
| 83 | inline namespace __cpo { |
| 84 | inline constexpr auto replace_copy_if = __replace_copy_if{}; |
| 85 | } // namespace __cpo |
| 86 | } // namespace ranges |
| 87 | |
| 88 | _LIBCPP_END_NAMESPACE_STD |
| 89 | |
| 90 | #endif // _LIBCPP_STD_VER >= 20 |
| 91 | |
| 92 | _LIBCPP_POP_MACROS |
| 93 | |
| 94 | #endif // _LIBCPP___ALGORITHM_RANGES_REPLACE_COPY_IF_H |
| 95 |
Warning: This file is not a C or C++ file. It does not have highlighting.