Brian Silverman | 1f5d398 | 2018-08-04 23:37:52 -0700 | [diff] [blame^] | 1 | ////////////////////////////////////////////////////////////////////////////// |
| 2 | // |
| 3 | // (C) Copyright Ion Gaztanaga 2012-2012. |
| 4 | // Distributed under the Boost Software License, Version 1.0. |
| 5 | // (See accompanying file LICENSE_1_0.txt or copy at |
| 6 | // http://www.boost.org/LICENSE_1_0.txt) |
| 7 | // |
| 8 | // See http://www.boost.org/libs/move for documentation. |
| 9 | // |
| 10 | ////////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | //! \file |
| 13 | |
| 14 | #ifndef BOOST_MOVE_ALGORITHM_HPP |
| 15 | #define BOOST_MOVE_ALGORITHM_HPP |
| 16 | |
| 17 | #ifndef BOOST_CONFIG_HPP |
| 18 | # include <boost/config.hpp> |
| 19 | #endif |
| 20 | # |
| 21 | #if defined(BOOST_HAS_PRAGMA_ONCE) |
| 22 | # pragma once |
| 23 | #endif |
| 24 | |
| 25 | #include <boost/move/detail/config_begin.hpp> |
| 26 | |
| 27 | #include <boost/move/utility_core.hpp> |
| 28 | #include <boost/move/iterator.hpp> |
| 29 | #include <boost/move/algo/move.hpp> |
| 30 | #include <boost/detail/no_exceptions_support.hpp> |
| 31 | |
| 32 | #include <algorithm> //copy, copy_backward |
| 33 | #include <memory> //uninitialized_copy |
| 34 | |
| 35 | namespace boost { |
| 36 | |
| 37 | ////////////////////////////////////////////////////////////////////////////// |
| 38 | // |
| 39 | // uninitialized_copy_or_move |
| 40 | // |
| 41 | ////////////////////////////////////////////////////////////////////////////// |
| 42 | |
| 43 | namespace move_detail { |
| 44 | |
| 45 | template |
| 46 | <typename I, // I models InputIterator |
| 47 | typename F> // F models ForwardIterator |
| 48 | inline F uninitialized_move_move_iterator(I f, I l, F r |
| 49 | // ,typename ::boost::move_detail::enable_if< has_move_emulation_enabled<typename I::value_type> >::type* = 0 |
| 50 | ) |
| 51 | { |
| 52 | return ::boost::uninitialized_move(f, l, r); |
| 53 | } |
| 54 | /* |
| 55 | template |
| 56 | <typename I, // I models InputIterator |
| 57 | typename F> // F models ForwardIterator |
| 58 | F uninitialized_move_move_iterator(I f, I l, F r, |
| 59 | typename ::boost::move_detail::disable_if< has_move_emulation_enabled<typename I::value_type> >::type* = 0) |
| 60 | { |
| 61 | return std::uninitialized_copy(f.base(), l.base(), r); |
| 62 | } |
| 63 | */ |
| 64 | } //namespace move_detail { |
| 65 | |
| 66 | template |
| 67 | <typename I, // I models InputIterator |
| 68 | typename F> // F models ForwardIterator |
| 69 | inline F uninitialized_copy_or_move(I f, I l, F r, |
| 70 | typename ::boost::move_detail::enable_if< move_detail::is_move_iterator<I> >::type* = 0) |
| 71 | { |
| 72 | return ::boost::move_detail::uninitialized_move_move_iterator(f, l, r); |
| 73 | } |
| 74 | |
| 75 | ////////////////////////////////////////////////////////////////////////////// |
| 76 | // |
| 77 | // copy_or_move |
| 78 | // |
| 79 | ////////////////////////////////////////////////////////////////////////////// |
| 80 | |
| 81 | namespace move_detail { |
| 82 | |
| 83 | template |
| 84 | <typename I, // I models InputIterator |
| 85 | typename F> // F models ForwardIterator |
| 86 | inline F move_move_iterator(I f, I l, F r |
| 87 | // ,typename ::boost::move_detail::enable_if< has_move_emulation_enabled<typename I::value_type> >::type* = 0 |
| 88 | ) |
| 89 | { |
| 90 | return ::boost::move(f, l, r); |
| 91 | } |
| 92 | /* |
| 93 | template |
| 94 | <typename I, // I models InputIterator |
| 95 | typename F> // F models ForwardIterator |
| 96 | F move_move_iterator(I f, I l, F r, |
| 97 | typename ::boost::move_detail::disable_if< has_move_emulation_enabled<typename I::value_type> >::type* = 0) |
| 98 | { |
| 99 | return std::copy(f.base(), l.base(), r); |
| 100 | } |
| 101 | */ |
| 102 | |
| 103 | } //namespace move_detail { |
| 104 | |
| 105 | template |
| 106 | <typename I, // I models InputIterator |
| 107 | typename F> // F models ForwardIterator |
| 108 | inline F copy_or_move(I f, I l, F r, |
| 109 | typename ::boost::move_detail::enable_if< move_detail::is_move_iterator<I> >::type* = 0) |
| 110 | { |
| 111 | return ::boost::move_detail::move_move_iterator(f, l, r); |
| 112 | } |
| 113 | |
| 114 | /// @endcond |
| 115 | |
| 116 | //! <b>Effects</b>: |
| 117 | //! \code |
| 118 | //! for (; first != last; ++result, ++first) |
| 119 | //! new (static_cast<void*>(&*result)) |
| 120 | //! typename iterator_traits<ForwardIterator>::value_type(*first); |
| 121 | //! \endcode |
| 122 | //! |
| 123 | //! <b>Returns</b>: result |
| 124 | //! |
| 125 | //! <b>Note</b>: This function is provided because |
| 126 | //! <i>std::uninitialized_copy</i> from some STL implementations |
| 127 | //! is not compatible with <i>move_iterator</i> |
| 128 | template |
| 129 | <typename I, // I models InputIterator |
| 130 | typename F> // F models ForwardIterator |
| 131 | inline F uninitialized_copy_or_move(I f, I l, F r |
| 132 | /// @cond |
| 133 | ,typename ::boost::move_detail::disable_if< move_detail::is_move_iterator<I> >::type* = 0 |
| 134 | /// @endcond |
| 135 | ) |
| 136 | { |
| 137 | return std::uninitialized_copy(f, l, r); |
| 138 | } |
| 139 | |
| 140 | //! <b>Effects</b>: |
| 141 | //! \code |
| 142 | //! for (; first != last; ++result, ++first) |
| 143 | //! *result = *first; |
| 144 | //! \endcode |
| 145 | //! |
| 146 | //! <b>Returns</b>: result |
| 147 | //! |
| 148 | //! <b>Note</b>: This function is provided because |
| 149 | //! <i>std::uninitialized_copy</i> from some STL implementations |
| 150 | //! is not compatible with <i>move_iterator</i> |
| 151 | template |
| 152 | <typename I, // I models InputIterator |
| 153 | typename F> // F models ForwardIterator |
| 154 | inline F copy_or_move(I f, I l, F r |
| 155 | /// @cond |
| 156 | ,typename ::boost::move_detail::disable_if< move_detail::is_move_iterator<I> >::type* = 0 |
| 157 | /// @endcond |
| 158 | ) |
| 159 | { |
| 160 | return std::copy(f, l, r); |
| 161 | } |
| 162 | |
| 163 | } //namespace boost { |
| 164 | |
| 165 | #include <boost/move/detail/config_end.hpp> |
| 166 | |
| 167 | #endif //#ifndef BOOST_MOVE_ALGORITHM_HPP |