openPMD-api
ShareRawInternal.hpp
1 /* Copyright 2018-2021 Axel Huebl
2  *
3  * This file is part of openPMD-api.
4  *
5  * openPMD-api is free software: you can redistribute it and/or modify
6  * it under the terms of of either the GNU General Public License or
7  * the GNU Lesser General Public License as published by
8  * the Free Software Foundation, either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * openPMD-api is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License and the GNU Lesser General Public License
15  * for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * and the GNU Lesser General Public License along with openPMD-api.
19  * If not, see <http://www.gnu.org/licenses/>.
20  */
21 #pragma once
22 
23 #include <array>
24 #include <memory>
25 #include <type_traits>
26 #include <vector>
27 
28 /*
29  * This header copies ShareRaw.hpp, but:
30  * 1. without deprecation markings
31  * 2. for internal usage only
32  * 3. inside auxiliary namespace
33  */
34 
35 namespace openPMD::auxiliary
36 {
38 
51 template <typename T>
52 std::shared_ptr<T> shareRaw(T *x)
53 {
54  return std::shared_ptr<T>(x, [](T *) {});
55 }
56 
57 template <typename T>
58 std::shared_ptr<T const> shareRaw(T const *x)
59 {
60  return std::shared_ptr<T const>(x, [](T const *) {});
61 }
62 
63 template <typename T>
64 auto shareRaw(T &c)
65  -> std::shared_ptr<typename std::remove_pointer<decltype(c.data())>::type>
66 {
67  using value_type = typename std::remove_pointer<decltype(c.data())>::type;
68  return std::shared_ptr<value_type>(c.data(), [](value_type *) {});
69 }
70 
71 template <typename T>
72 auto shareRaw(T const &c)
73  -> std::shared_ptr<typename std::remove_pointer<decltype(c.data())>::type>
74 {
75  using value_type = typename std::remove_pointer<decltype(c.data())>::type;
76  return std::shared_ptr<value_type>(c.data(), [](value_type *) {});
77 }
79 } // namespace openPMD::auxiliary
std::shared_ptr< T > shareRaw(T *x)
Share ownership with a raw pointer.
Definition: ShareRaw.hpp:49
Definition: Date.cpp:28