openPMD-api
ShareRaw.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 <memory>
24 #include <vector>
25 #include <array>
26 #include <type_traits>
27 
28 
29 namespace openPMD
30 {
32 
45  template< typename T >
46  std::shared_ptr< T >
47  shareRaw( T * x )
48  {
49  return std::shared_ptr< T >( x, [](T *){} );
50  }
51 
52  template< typename T >
53  std::shared_ptr< T const >
54  shareRaw( T const * x )
55  {
56  return std::shared_ptr< T const >( x, [](T const *){} );
57  }
58 
59  template< typename T >
60  auto
61  shareRaw( T & c ) -> std::shared_ptr< typename std::remove_pointer< decltype( c.data() ) >::type >
62  {
63  using value_type = typename std::remove_pointer< decltype( c.data() ) >::type;
64  return std::shared_ptr< value_type >( c.data(), [](value_type *){} );
65  }
66 
67  template< typename T >
68  auto
69  shareRaw( T const & c ) -> std::shared_ptr< typename std::remove_pointer< decltype( c.data() ) >::type >
70  {
71  using value_type = typename std::remove_pointer< decltype( c.data() ) >::type;
72  return std::shared_ptr< value_type >( c.data(), [](value_type *){} );
73  }
75 } // openPMD
std::shared_ptr< T > shareRaw(T *x)
Share ownership with a raw pointer.
Definition: ShareRaw.hpp:47
Public definitions of openPMD-api.
Definition: Date.cpp:29