1 | #ifndef BOOST_SMART_PTR_DETAIL_LOCAL_SP_DELETER_HPP_INCLUDED |
2 | #define BOOST_SMART_PTR_DETAIL_LOCAL_SP_DELETER_HPP_INCLUDED |
3 | |
4 | // MS compatible compilers support #pragma once |
5 | |
6 | #if defined(_MSC_VER) && (_MSC_VER >= 1020) |
7 | # pragma once |
8 | #endif |
9 | |
10 | // detail/local_sp_deleter.hpp |
11 | // |
12 | // Copyright 2017 Peter Dimov |
13 | // |
14 | // Distributed under the Boost Software License, Version 1.0. (See |
15 | // accompanying file LICENSE_1_0.txt or copy at |
16 | // http://www.boost.org/LICENSE_1_0.txt) |
17 | // |
18 | // See http://www.boost.org/libs/smart_ptr/ for documentation. |
19 | |
20 | #include <boost/smart_ptr/detail/local_counted_base.hpp> |
21 | #include <boost/config.hpp> |
22 | |
23 | namespace boost |
24 | { |
25 | |
26 | namespace detail |
27 | { |
28 | |
29 | template<class D> class local_sp_deleter: public local_counted_impl_em |
30 | { |
31 | private: |
32 | |
33 | D d_; |
34 | |
35 | public: |
36 | |
37 | local_sp_deleter(): d_() |
38 | { |
39 | } |
40 | |
41 | explicit local_sp_deleter( D const& d ) BOOST_SP_NOEXCEPT: d_( d ) |
42 | { |
43 | } |
44 | |
45 | #if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES ) |
46 | |
47 | explicit local_sp_deleter( D&& d ) BOOST_SP_NOEXCEPT: d_( std::move(d) ) |
48 | { |
49 | } |
50 | |
51 | #endif |
52 | |
53 | D& deleter() BOOST_SP_NOEXCEPT |
54 | { |
55 | return d_; |
56 | } |
57 | |
58 | template<class Y> void operator()( Y* p ) BOOST_SP_NOEXCEPT |
59 | { |
60 | d_( p ); |
61 | } |
62 | |
63 | #if !defined( BOOST_NO_CXX11_NULLPTR ) |
64 | |
65 | void operator()( boost::detail::sp_nullptr_t p ) BOOST_SP_NOEXCEPT |
66 | { |
67 | d_( p ); |
68 | } |
69 | |
70 | #endif |
71 | }; |
72 | |
73 | template<> class local_sp_deleter<void> |
74 | { |
75 | }; |
76 | |
77 | template<class D> D * get_local_deleter( local_sp_deleter<D> * p ) BOOST_SP_NOEXCEPT |
78 | { |
79 | return &p->deleter(); |
80 | } |
81 | |
82 | inline void * get_local_deleter( local_sp_deleter<void> * /*p*/ ) BOOST_SP_NOEXCEPT |
83 | { |
84 | return 0; |
85 | } |
86 | |
87 | } // namespace detail |
88 | |
89 | } // namespace boost |
90 | |
91 | #endif // #ifndef BOOST_SMART_PTR_DETAIL_LOCAL_SP_DELETER_HPP_INCLUDED |
92 | |