| e7195ab4 |
1 | // Created on: 2015-06-26 |
| 2 | // Created by: Andrey Betenev |
| 3 | // Copyright (c) 2015 OPEN CASCADE SAS |
| 4 | // |
| 5 | // This file is part of Open CASCADE Technology software library. |
| 6 | // |
| 7 | // This library is free software; you can redistribute it and/or modify it under |
| 8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
| 9 | // by the Free Software Foundation, with special exception defined in the file |
| 10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
| 11 | // distribution for complete text of the license and disclaimer of any warranty. |
| 12 | // |
| 13 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 14 | // commercial license or contractual agreement. |
| 15 | |
| 16 | #ifndef NCollection_Shared_HeaderFile |
| 17 | #define NCollection_Shared_HeaderFile |
| 18 | |
| 19 | #include <Standard_Type.hxx> |
| 20 | |
| 21 | //! Template defining a class derived from the specified base class and |
| 22 | //! Standard_Transient, and supporting OCCT RTTI. |
| 23 | //! |
| 24 | //! This provides possibility to use Handes for types not initially intended |
| 25 | //! to be dynamically allocated. |
| 26 | //! |
| 27 | //! Current limitation is that only copy and constructors with 1-3 arguments are defined, |
| 28 | //! calling those of the argument class (default constructor must be available). |
| 29 | //! It can be improved when perfect forwarding of template arguments is supported |
| 30 | //! by all compilers used for OCCT. |
| 31 | //! |
| 32 | //! The intent is similar to std::make_shared<> in STL, except that this |
| 33 | //! implementation defines a separate type. |
| 34 | |
| 71c810df |
35 | template <class T, typename = typename opencascade::std::enable_if<! opencascade::std::is_base_of<Standard_Transient, T>::value>::type> |
| e7195ab4 |
36 | class NCollection_Shared : public Standard_Transient, public T |
| 37 | { |
| 38 | public: |
| 39 | DEFINE_STANDARD_ALLOC |
| 40 | DEFINE_NCOLLECTION_ALLOC |
| 41 | |
| 42 | //! Default constructor |
| 43 | NCollection_Shared () {} |
| 44 | |
| 45 | //! Constructor with single argument |
| 46 | template <typename T1> |
| 47 | NCollection_Shared (T1 arg1) : T(arg1) {} |
| 48 | |
| 49 | //! Constructor with two arguments |
| 50 | template <typename T1, typename T2> |
| 51 | NCollection_Shared (T1 arg1, T2 arg2) : T(arg1, arg2) {} |
| 52 | |
| 53 | /* this could work... |
| 54 | //! Forwarding constructor |
| 55 | template<typename... Args> |
| 56 | NCollection_Shared (Args&&... args) |
| 57 | : T (std::forward<Args>(args)...) |
| 58 | {} |
| 59 | */ |
| 60 | }; |
| 61 | |
| 62 | #endif |
projects / occt.git / blame