Jeff Thompson | f7d4994 | 2013-08-01 16:47:40 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2012 Glen Joseph Fernandes |
| 3 | * glenfe at live dot com |
| 4 | * |
| 5 | * Distributed under the Boost Software License, |
| 6 | * Version 1.0. (See accompanying file LICENSE_1_0.txt |
| 7 | * or copy at http://boost.org/LICENSE_1_0.txt) |
| 8 | */ |
| 9 | #ifndef BOOST_SMART_PTR_MAKE_SHARED_ARRAY_HPP |
| 10 | #define BOOST_SMART_PTR_MAKE_SHARED_ARRAY_HPP |
| 11 | |
Jeff Thompson | 2277ce5 | 2013-08-01 17:34:11 -0700 | [diff] [blame] | 12 | #include <ndnboost/smart_ptr/shared_ptr.hpp> |
| 13 | #include <ndnboost/smart_ptr/detail/array_deleter.hpp> |
| 14 | #include <ndnboost/smart_ptr/detail/array_traits.hpp> |
| 15 | #include <ndnboost/smart_ptr/detail/make_array_helper.hpp> |
| 16 | #include <ndnboost/smart_ptr/detail/sp_if_array.hpp> |
Jeff Thompson | f7d4994 | 2013-08-01 16:47:40 -0700 | [diff] [blame] | 17 | #if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST) |
| 18 | #include <initializer_list> |
| 19 | #endif |
| 20 | |
| 21 | namespace ndnboost { |
| 22 | template<typename T> |
| 23 | inline typename ndnboost::detail::sp_if_array<T>::type |
| 24 | make_shared(std::size_t size) { |
| 25 | typedef typename ndnboost::detail::array_inner<T>::type T1; |
| 26 | typedef typename ndnboost::detail::array_base<T1>::type T2; |
| 27 | T1* p1 = 0; |
| 28 | T2* p2 = 0; |
| 29 | std::size_t n1 = size * ndnboost::detail::array_total<T1>::size; |
| 30 | ndnboost::detail::make_array_helper<T2[]> a1(n1, &p2); |
| 31 | ndnboost::detail::array_deleter<T2[]> d1(n1); |
| 32 | ndnboost::shared_ptr<T> s1(p1, d1, a1); |
| 33 | typedef ndnboost::detail::array_deleter<T2[]>* D2; |
| 34 | p1 = reinterpret_cast<T1*>(p2); |
| 35 | D2 d2 = static_cast<D2>(s1._internal_get_untyped_deleter()); |
| 36 | d2->init(p2); |
| 37 | return ndnboost::shared_ptr<T>(s1, p1); |
| 38 | } |
| 39 | #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) |
| 40 | template<typename T, typename... Args> |
| 41 | inline typename ndnboost::detail::sp_if_array<T>::type |
| 42 | make_shared(std::size_t size, Args&&... args) { |
| 43 | typedef typename ndnboost::detail::array_inner<T>::type T1; |
| 44 | typedef typename ndnboost::detail::array_base<T1>::type T2; |
| 45 | T1* p1 = 0; |
| 46 | T2* p2 = 0; |
| 47 | std::size_t n1 = size * ndnboost::detail::array_total<T1>::size; |
| 48 | ndnboost::detail::make_array_helper<T2[]> a1(n1, &p2); |
| 49 | ndnboost::detail::array_deleter<T2[]> d1(n1); |
| 50 | ndnboost::shared_ptr<T> s1(p1, d1, a1); |
| 51 | typedef ndnboost::detail::array_deleter<T2[]>* D2; |
| 52 | p1 = reinterpret_cast<T1*>(p2); |
| 53 | D2 d2 = static_cast<D2>(s1._internal_get_untyped_deleter()); |
| 54 | d2->init(p2, ndnboost::detail::sp_forward<Args>(args)...); |
| 55 | return ndnboost::shared_ptr<T>(s1, p1); |
| 56 | } |
| 57 | template<typename T, typename... Args> |
| 58 | inline typename ndnboost::detail::sp_if_size_array<T>::type |
| 59 | make_shared(Args&&... args) { |
| 60 | typedef typename ndnboost::detail::array_inner<T>::type T1; |
| 61 | typedef typename ndnboost::detail::array_base<T1>::type T2; |
| 62 | enum { |
| 63 | N = ndnboost::detail::array_total<T>::size |
| 64 | }; |
| 65 | T1* p1 = 0; |
| 66 | T2* p2 = 0; |
| 67 | ndnboost::detail::make_array_helper<T2[N]> a1(&p2); |
| 68 | ndnboost::detail::array_deleter<T2[N]> d1; |
| 69 | ndnboost::shared_ptr<T> s1(p1, d1, a1); |
| 70 | typedef ndnboost::detail::array_deleter<T2[N]>* D2; |
| 71 | p1 = reinterpret_cast<T1*>(p2); |
| 72 | D2 d2 = static_cast<D2>(s1._internal_get_untyped_deleter()); |
| 73 | d2->init(p2, ndnboost::detail::sp_forward<Args>(args)...); |
| 74 | return ndnboost::shared_ptr<T>(s1, p1); |
| 75 | } |
| 76 | #endif |
| 77 | #if !defined(BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX) |
| 78 | template<typename T> |
| 79 | inline typename ndnboost::detail::sp_if_size_array<T>::type |
| 80 | make_shared(const T& list) { |
| 81 | typedef typename ndnboost::detail::array_inner<T>::type T1; |
| 82 | typedef typename ndnboost::detail::array_base<T1>::type T2; |
| 83 | typedef const T2 T3; |
| 84 | enum { |
| 85 | N = ndnboost::detail::array_total<T>::size |
| 86 | }; |
| 87 | T1* p1 = 0; |
| 88 | T2* p2 = 0; |
| 89 | T3* p3 = 0; |
| 90 | ndnboost::detail::make_array_helper<T2[N]> a1(&p2); |
| 91 | ndnboost::detail::array_deleter<T2[N]> d1; |
| 92 | ndnboost::shared_ptr<T> s1(p1, d1, a1); |
| 93 | typedef ndnboost::detail::array_deleter<T2[N]>* D2; |
| 94 | p3 = reinterpret_cast<T3*>(list); |
| 95 | p1 = reinterpret_cast<T1*>(p2); |
| 96 | D2 d2 = static_cast<D2>(s1._internal_get_untyped_deleter()); |
| 97 | d2->init_list(p2, p3); |
| 98 | return ndnboost::shared_ptr<T>(s1, p1); |
| 99 | } |
| 100 | template<typename T> |
| 101 | inline typename ndnboost::detail::sp_if_array<T>::type |
| 102 | make_shared(std::size_t size, |
| 103 | const typename ndnboost::detail::array_inner<T>::type& list) { |
| 104 | typedef typename ndnboost::detail::array_inner<T>::type T1; |
| 105 | typedef typename ndnboost::detail::array_base<T1>::type T2; |
| 106 | typedef const T2 T3; |
| 107 | enum { |
| 108 | M = ndnboost::detail::array_total<T1>::size |
| 109 | }; |
| 110 | T1* p1 = 0; |
| 111 | T2* p2 = 0; |
| 112 | T3* p3 = 0; |
| 113 | std::size_t n1 = M * size; |
| 114 | ndnboost::detail::make_array_helper<T2[]> a1(n1, &p2); |
| 115 | ndnboost::detail::array_deleter<T2[]> d1(n1); |
| 116 | ndnboost::shared_ptr<T> s1(p1, d1, a1); |
| 117 | typedef ndnboost::detail::array_deleter<T2[]>* D2; |
| 118 | p3 = reinterpret_cast<T3*>(list); |
| 119 | p1 = reinterpret_cast<T1*>(p2); |
| 120 | D2 d2 = static_cast<D2>(s1._internal_get_untyped_deleter()); |
| 121 | d2->template init_list<M>(p2, p3); |
| 122 | return ndnboost::shared_ptr<T>(s1, p1); |
| 123 | } |
| 124 | template<typename T> |
| 125 | inline typename ndnboost::detail::sp_if_size_array<T>::type |
| 126 | make_shared(const typename ndnboost::detail::array_inner<T>::type& list) { |
| 127 | typedef typename ndnboost::detail::array_inner<T>::type T1; |
| 128 | typedef typename ndnboost::detail::array_base<T1>::type T2; |
| 129 | typedef const T2 T3; |
| 130 | enum { |
| 131 | M = ndnboost::detail::array_total<T1>::size, |
| 132 | N = ndnboost::detail::array_total<T>::size |
| 133 | }; |
| 134 | T1* p1 = 0; |
| 135 | T2* p2 = 0; |
| 136 | T3* p3 = 0; |
| 137 | ndnboost::detail::make_array_helper<T2[N]> a1(&p2); |
| 138 | ndnboost::detail::array_deleter<T2[N]> d1; |
| 139 | ndnboost::shared_ptr<T> s1(p1, d1, a1); |
| 140 | typedef ndnboost::detail::array_deleter<T2[N]>* D2; |
| 141 | p3 = reinterpret_cast<T3*>(list); |
| 142 | p1 = reinterpret_cast<T1*>(p2); |
| 143 | D2 d2 = static_cast<D2>(s1._internal_get_untyped_deleter()); |
| 144 | d2->template init_list<M>(p2, p3); |
| 145 | return ndnboost::shared_ptr<T>(s1, p1); |
| 146 | } |
| 147 | #if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST) |
| 148 | template<typename T> |
| 149 | inline typename ndnboost::detail::sp_if_array<T>::type |
| 150 | make_shared(std::initializer_list<typename ndnboost::detail::array_inner<T>::type> list) { |
| 151 | typedef typename ndnboost::detail::array_inner<T>::type T1; |
| 152 | typedef typename ndnboost::detail::array_base<T1>::type T2; |
| 153 | typedef const T2 T3; |
| 154 | T1* p1 = 0; |
| 155 | T2* p2 = 0; |
| 156 | T3* p3 = 0; |
| 157 | std::size_t n1 = list.size() * ndnboost::detail::array_total<T1>::size; |
| 158 | ndnboost::detail::make_array_helper<T2[]> a1(n1, &p2); |
| 159 | ndnboost::detail::array_deleter<T2[]> d1(n1); |
| 160 | ndnboost::shared_ptr<T> s1(p1, d1, a1); |
| 161 | typedef ndnboost::detail::array_deleter<T2[]>* D2; |
| 162 | p3 = reinterpret_cast<T3*>(list.begin()); |
| 163 | p1 = reinterpret_cast<T1*>(p2); |
| 164 | D2 d2 = static_cast<D2>(s1._internal_get_untyped_deleter()); |
| 165 | d2->init_list(p2, p3); |
| 166 | return ndnboost::shared_ptr<T>(s1, p1); |
| 167 | } |
| 168 | #endif |
| 169 | #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) |
| 170 | template<typename T> |
| 171 | inline typename ndnboost::detail::sp_if_array<T>::type |
| 172 | make_shared(std::size_t size, |
| 173 | typename ndnboost::detail::array_base<T>::type&& value) { |
| 174 | typedef typename ndnboost::detail::array_inner<T>::type T1; |
| 175 | typedef typename ndnboost::detail::array_base<T1>::type T2; |
| 176 | T1* p1 = 0; |
| 177 | T2* p2 = 0; |
| 178 | std::size_t n1 = size * ndnboost::detail::array_total<T1>::size; |
| 179 | ndnboost::detail::make_array_helper<T2[]> a1(n1, &p2); |
| 180 | ndnboost::detail::array_deleter<T2[]> d1(n1); |
| 181 | ndnboost::shared_ptr<T> s1(p1, d1, a1); |
| 182 | typedef ndnboost::detail::array_deleter<T2[]>* D2; |
| 183 | p1 = reinterpret_cast<T1*>(p2); |
| 184 | D2 d2 = static_cast<D2>(s1._internal_get_untyped_deleter()); |
| 185 | d2->init(p2, ndnboost::detail::sp_forward<T2>(value)); |
| 186 | return ndnboost::shared_ptr<T>(s1, p1); |
| 187 | } |
| 188 | template<typename T> |
| 189 | inline typename ndnboost::detail::sp_if_size_array<T>::type |
| 190 | make_shared(typename ndnboost::detail::array_base<T>::type&& value) { |
| 191 | typedef typename ndnboost::detail::array_inner<T>::type T1; |
| 192 | typedef typename ndnboost::detail::array_base<T1>::type T2; |
| 193 | enum { |
| 194 | N = ndnboost::detail::array_total<T>::size |
| 195 | }; |
| 196 | T1* p1 = 0; |
| 197 | T2* p2 = 0; |
| 198 | ndnboost::detail::make_array_helper<T2[N]> a1(&p2); |
| 199 | ndnboost::detail::array_deleter<T2[N]> d1; |
| 200 | ndnboost::shared_ptr<T> s1(p1, d1, a1); |
| 201 | typedef ndnboost::detail::array_deleter<T2[N]>* D2; |
| 202 | p1 = reinterpret_cast<T1*>(p2); |
| 203 | D2 d2 = static_cast<D2>(s1._internal_get_untyped_deleter()); |
| 204 | d2->init(p2, ndnboost::detail::sp_forward<T2>(value)); |
| 205 | return ndnboost::shared_ptr<T>(s1, p1); |
| 206 | } |
| 207 | #endif |
| 208 | #endif |
| 209 | template<typename T> |
| 210 | inline typename ndnboost::detail::sp_if_array<T>::type |
| 211 | make_shared_noinit(std::size_t size) { |
| 212 | typedef typename ndnboost::detail::array_inner<T>::type T1; |
| 213 | typedef typename ndnboost::detail::array_base<T1>::type T2; |
| 214 | T1* p1 = 0; |
| 215 | T2* p2 = 0; |
| 216 | std::size_t n1 = size * ndnboost::detail::array_total<T1>::size; |
| 217 | ndnboost::detail::make_array_helper<T2[]> a1(n1, &p2); |
| 218 | ndnboost::detail::array_deleter<T2[]> d1(n1); |
| 219 | ndnboost::shared_ptr<T> s1(p1, d1, a1); |
| 220 | typedef ndnboost::detail::array_deleter<T2[]>* D2; |
| 221 | p1 = reinterpret_cast<T1*>(p2); |
| 222 | D2 d2 = static_cast<D2>(s1._internal_get_untyped_deleter()); |
| 223 | d2->noinit(p2); |
| 224 | return ndnboost::shared_ptr<T>(s1, p1); |
| 225 | } |
| 226 | template<typename T> |
| 227 | inline typename ndnboost::detail::sp_if_size_array<T>::type |
| 228 | make_shared_noinit() { |
| 229 | typedef typename ndnboost::detail::array_inner<T>::type T1; |
| 230 | typedef typename ndnboost::detail::array_base<T1>::type T2; |
| 231 | enum { |
| 232 | N = ndnboost::detail::array_total<T>::size |
| 233 | }; |
| 234 | T1* p1 = 0; |
| 235 | T2* p2 = 0; |
| 236 | ndnboost::detail::make_array_helper<T2[N]> a1(&p2); |
| 237 | ndnboost::detail::array_deleter<T2[N]> d1; |
| 238 | ndnboost::shared_ptr<T> s1(p1, d1, a1); |
| 239 | typedef ndnboost::detail::array_deleter<T2[N]>* D2; |
| 240 | p1 = reinterpret_cast<T1*>(p2); |
| 241 | D2 d2 = static_cast<D2>(s1._internal_get_untyped_deleter()); |
| 242 | d2->noinit(p2); |
| 243 | return ndnboost::shared_ptr<T>(s1, p1); |
| 244 | } |
| 245 | } |
| 246 | |
| 247 | #endif |