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1 | /* |
2 | * Copyright (c) 2020 Philippe Proulx <pproulx@efficios.com> | |
3 | * | |
4 | * SPDX-License-Identifier: MIT | |
5 | */ | |
6 | ||
7 | #ifndef BABELTRACE_CPP_COMMON_BT2_INTEGER_RANGE_HPP | |
8 | #define BABELTRACE_CPP_COMMON_BT2_INTEGER_RANGE_HPP | |
9 | ||
e0c2afae | 10 | #include <cstdint> |
c802cacb SM |
11 | #include <type_traits> |
12 | ||
e0c2afae PP |
13 | #include <babeltrace2/babeltrace.h> |
14 | ||
0d218157 | 15 | #include "borrowed-object.hpp" |
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16 | |
17 | namespace bt2 { | |
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18 | namespace internal { |
19 | ||
20 | template <typename ValueT> | |
21 | struct ConstIntegerRangeSpec; | |
22 | ||
b5f55e9f | 23 | /* Functions specific to unsigned integer ranges */ |
e0c2afae PP |
24 | template <> |
25 | struct ConstIntegerRangeSpec<const bt_integer_range_unsigned> final | |
26 | { | |
27 | static std::uint64_t lower(const bt_integer_range_unsigned * const libRangePtr) noexcept | |
28 | { | |
29 | return bt_integer_range_unsigned_get_lower(libRangePtr); | |
30 | } | |
31 | ||
32 | static std::uint64_t upper(const bt_integer_range_unsigned * const libRangePtr) noexcept | |
33 | { | |
34 | return bt_integer_range_unsigned_get_upper(libRangePtr); | |
35 | } | |
36 | ||
37 | static bool isEqual(const bt_integer_range_unsigned * const libRangePtrA, | |
38 | const bt_integer_range_unsigned * const libRangePtrB) noexcept | |
39 | { | |
40 | return static_cast<bool>(bt_integer_range_unsigned_is_equal(libRangePtrA, libRangePtrB)); | |
41 | } | |
42 | }; | |
43 | ||
b5f55e9f | 44 | /* Functions specific to signed integer ranges */ |
e0c2afae PP |
45 | template <> |
46 | struct ConstIntegerRangeSpec<const bt_integer_range_signed> final | |
47 | { | |
48 | static std::int64_t lower(const bt_integer_range_signed * const libRangePtr) noexcept | |
49 | { | |
50 | return bt_integer_range_signed_get_lower(libRangePtr); | |
51 | } | |
52 | ||
53 | static std::int64_t upper(const bt_integer_range_signed * const libRangePtr) noexcept | |
54 | { | |
55 | return bt_integer_range_signed_get_upper(libRangePtr); | |
56 | } | |
57 | ||
58 | static bool isEqual(const bt_integer_range_signed * const libRangePtrA, | |
59 | const bt_integer_range_signed * const libRangePtrB) noexcept | |
60 | { | |
61 | return static_cast<bool>(bt_integer_range_signed_is_equal(libRangePtrA, libRangePtrB)); | |
62 | } | |
63 | }; | |
64 | ||
b5f55e9f | 65 | } /* namespace internal */ |
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66 | |
67 | template <typename LibObjT> | |
0d218157 | 68 | class ConstIntegerRange final : public BorrowedObject<LibObjT> |
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69 | { |
70 | private: | |
0d218157 PP |
71 | using typename BorrowedObject<LibObjT>::_ThisBorrowedObject; |
72 | using typename BorrowedObject<LibObjT>::_LibObjPtr; | |
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73 | using _ThisConstIntegerRange = ConstIntegerRange<LibObjT>; |
74 | ||
75 | public: | |
76 | using Value = | |
77 | typename std::conditional<std::is_same<LibObjT, const bt_integer_range_unsigned>::value, | |
78 | std::uint64_t, std::int64_t>::type; | |
79 | ||
80 | public: | |
0d218157 PP |
81 | explicit ConstIntegerRange(const _LibObjPtr libObjPtr) noexcept : |
82 | _ThisBorrowedObject {libObjPtr} | |
e0c2afae PP |
83 | { |
84 | } | |
85 | ||
0d218157 | 86 | ConstIntegerRange(const _ThisConstIntegerRange& range) noexcept : _ThisBorrowedObject {range} |
e0c2afae PP |
87 | { |
88 | } | |
89 | ||
90 | _ThisConstIntegerRange& operator=(const _ThisConstIntegerRange& range) noexcept | |
91 | { | |
0d218157 | 92 | _ThisBorrowedObject::operator=(range); |
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93 | return *this; |
94 | } | |
95 | ||
96 | bool operator==(const _ThisConstIntegerRange& other) const noexcept | |
97 | { | |
341a67c4 FD |
98 | return internal::ConstIntegerRangeSpec<LibObjT>::isEqual(this->libObjPtr(), |
99 | other.libObjPtr()); | |
e0c2afae PP |
100 | } |
101 | ||
102 | bool operator!=(const _ThisConstIntegerRange& other) const noexcept | |
103 | { | |
104 | return !(*this == other); | |
105 | } | |
106 | ||
107 | Value lower() const noexcept | |
108 | { | |
341a67c4 | 109 | return internal::ConstIntegerRangeSpec<LibObjT>::lower(this->libObjPtr()); |
e0c2afae PP |
110 | } |
111 | ||
112 | Value upper() const noexcept | |
113 | { | |
341a67c4 | 114 | return internal::ConstIntegerRangeSpec<LibObjT>::upper(this->libObjPtr()); |
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115 | } |
116 | }; | |
117 | ||
118 | using ConstUnsignedIntegerRange = ConstIntegerRange<const bt_integer_range_unsigned>; | |
119 | using ConstSignedIntegerRange = ConstIntegerRange<const bt_integer_range_signed>; | |
120 | ||
b5f55e9f | 121 | } /* namespace bt2 */ |
e0c2afae | 122 | |
b5f55e9f | 123 | #endif /* BABELTRACE_CPP_COMMON_BT2_INTEGER_RANGE_HPP */ |