src/zserio/AllocatorHolder.h
Line | Count | Source |
1 | | #ifndef ZSERIO_ALLOCATOR_HOLDER_H_INC |
2 | | #define ZSERIO_ALLOCATOR_HOLDER_H_INC |
3 | | |
4 | | #include <utility> |
5 | | |
6 | | namespace zserio |
7 | | { |
8 | | |
9 | | /** |
10 | | * Base class for allocator-holding classes, so that the empty base class |
11 | | * optimization may happen. |
12 | | */ |
13 | | template <typename ALLOC> |
14 | | class AllocatorHolder |
15 | | { |
16 | | public: |
17 | | using allocator_type = ALLOC; |
18 | | |
19 | | /** |
20 | | * Empty constructor. |
21 | | */ |
22 | | AllocatorHolder() : |
23 | | m_allocator(allocator_type()) |
24 | 1 | {} |
25 | | |
26 | | /** |
27 | | * Constructor from given allocator. |
28 | | * |
29 | | * \param allocator Allocator to be stored. |
30 | | */ |
31 | | explicit AllocatorHolder(const allocator_type &allocator) : |
32 | | m_allocator(allocator) |
33 | 27.4k | {} |
34 | | |
35 | | /** |
36 | | * Constructor from given allocator. |
37 | | * |
38 | | * \param allocator Allocator to be stored. |
39 | | */ |
40 | | explicit AllocatorHolder(allocator_type&& allocator) : |
41 | | m_allocator(std::move(allocator)) |
42 | 165 | {} |
43 | | |
44 | | /** |
45 | | * Method generated by default. |
46 | | * \{ |
47 | | */ |
48 | 27.6k | ~AllocatorHolder() = default; |
49 | | |
50 | | AllocatorHolder(const AllocatorHolder& other) = default; |
51 | | AllocatorHolder& operator=(const AllocatorHolder& other) = default; |
52 | | |
53 | 214 | AllocatorHolder(AllocatorHolder&& other) = default; |
54 | 17 | AllocatorHolder& operator=(AllocatorHolder&& other) = default; |
55 | | /** |
56 | | * \} |
57 | | */ |
58 | | |
59 | | /** |
60 | | * Allocator getter. |
61 | | * |
62 | | * \return Copy of the stored allocator. |
63 | | */ |
64 | | allocator_type get_allocator() const |
65 | 42.7k | { |
66 | 42.7k | return get_allocator_ref(); |
67 | 42.7k | } |
68 | | |
69 | | protected: |
70 | | /** |
71 | | * Allocator setter. |
72 | | * |
73 | | * \param allocator Allocator to be copy-assigned to the stored allocator. |
74 | | */ |
75 | | void set_allocator(const allocator_type& allocator) |
76 | 18 | { |
77 | 18 | m_allocator = allocator; |
78 | 18 | } |
79 | | |
80 | | /** |
81 | | * Allocator setter. |
82 | | * |
83 | | * \param allocator Allocator to be move-assigned to the stored allocator. |
84 | | */ |
85 | | void set_allocator(allocator_type&& allocator) |
86 | 48.8k | { |
87 | 48.8k | m_allocator = std::move(allocator); |
88 | 48.8k | } |
89 | | |
90 | | /** |
91 | | * Allocator getter. |
92 | | * |
93 | | * \return Reference to the stored allocator. |
94 | | */ |
95 | | allocator_type& get_allocator_ref() |
96 | 197k | { |
97 | 197k | return m_allocator; |
98 | 197k | } |
99 | | |
100 | | /** |
101 | | * Allocator getter. |
102 | | * |
103 | | * \return Reference to the stored allocator. |
104 | | */ |
105 | | const allocator_type& get_allocator_ref() const |
106 | 42.8k | { |
107 | 42.8k | return m_allocator; |
108 | 42.8k | } |
109 | | |
110 | | private: |
111 | | ALLOC m_allocator; |
112 | | }; |
113 | | |
114 | | } // namespace zserio |
115 | | |
116 | | #endif // ifndef ZSERIO_ALLOCATOR_HOLDER_H_INC |