Commit | Line | Data |
---|---|---|
64ded3fb PP |
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_SET_HPP | |
8 | #define BABELTRACE_CPP_COMMON_BT2_INTEGER_RANGE_SET_HPP | |
9 | ||
10 | #include <cstdint> | |
11 | #include <type_traits> | |
12 | #include <babeltrace2/babeltrace.h> | |
13 | ||
14 | #include "internal/borrowed-obj.hpp" | |
15 | #include "internal/utils.hpp" | |
16 | #include "integer-range.hpp" | |
17 | #include "lib-error.hpp" | |
18 | ||
19 | namespace bt2 { | |
20 | ||
21 | namespace internal { | |
22 | ||
23 | template <typename LibObjT> | |
24 | struct IntegerRangeSetRefFuncs; | |
25 | ||
26 | template <> | |
27 | struct IntegerRangeSetRefFuncs<const bt_integer_range_set_unsigned> final | |
28 | { | |
29 | static void get(const bt_integer_range_set_unsigned * const libObjPtr) | |
30 | { | |
31 | bt_integer_range_set_unsigned_get_ref(libObjPtr); | |
32 | } | |
33 | ||
34 | static void put(const bt_integer_range_set_unsigned * const libObjPtr) | |
35 | { | |
36 | bt_integer_range_set_unsigned_get_ref(libObjPtr); | |
37 | } | |
38 | }; | |
39 | ||
40 | template <> | |
41 | struct IntegerRangeSetRefFuncs<const bt_integer_range_set_signed> final | |
42 | { | |
43 | static void get(const bt_integer_range_set_signed * const libObjPtr) | |
44 | { | |
45 | bt_integer_range_set_signed_get_ref(libObjPtr); | |
46 | } | |
47 | ||
48 | static void put(const bt_integer_range_set_signed * const libObjPtr) | |
49 | { | |
50 | bt_integer_range_set_signed_get_ref(libObjPtr); | |
51 | } | |
52 | }; | |
53 | ||
54 | template <typename LibObjT> | |
55 | struct CommonIntegerRangeSetSpec; | |
56 | ||
57 | // Functions specific to unsigned integer range sets | |
58 | template <> | |
59 | struct CommonIntegerRangeSetSpec<const bt_integer_range_set_unsigned> final | |
60 | { | |
61 | static std::uint64_t size(const bt_integer_range_set_unsigned * const libRangePtr) noexcept | |
62 | { | |
63 | return bt_integer_range_set_get_range_count( | |
64 | bt_integer_range_set_unsigned_as_range_set_const(libRangePtr)); | |
65 | } | |
66 | ||
67 | static const bt_integer_range_unsigned * | |
68 | rangeByIndex(const bt_integer_range_set_unsigned * const libRangePtr, | |
69 | const std::uint64_t index) noexcept | |
70 | { | |
71 | return bt_integer_range_set_unsigned_borrow_range_by_index_const(libRangePtr, index); | |
72 | } | |
73 | ||
74 | static bool isEqual(const bt_integer_range_set_unsigned * const libRangePtrA, | |
75 | const bt_integer_range_set_unsigned * const libRangePtrB) noexcept | |
76 | { | |
77 | return static_cast<bool>( | |
78 | bt_integer_range_set_unsigned_is_equal(libRangePtrA, libRangePtrB)); | |
79 | } | |
80 | ||
81 | static bt_integer_range_set_add_range_status | |
82 | addRange(bt_integer_range_set_unsigned * const libRangePtr, const std::uint64_t lower, | |
83 | const std::uint64_t upper) noexcept | |
84 | { | |
85 | return bt_integer_range_set_unsigned_add_range(libRangePtr, lower, upper); | |
86 | } | |
87 | ||
88 | static bt_integer_range_set_unsigned *create() noexcept | |
89 | { | |
90 | return bt_integer_range_set_unsigned_create(); | |
91 | } | |
92 | }; | |
93 | ||
94 | // Functions specific to signed integer range sets | |
95 | template <> | |
96 | struct CommonIntegerRangeSetSpec<const bt_integer_range_set_signed> final | |
97 | { | |
98 | static std::uint64_t size(const bt_integer_range_set_signed * const libRangePtr) noexcept | |
99 | { | |
100 | return bt_integer_range_set_get_range_count( | |
101 | bt_integer_range_set_signed_as_range_set_const(libRangePtr)); | |
102 | } | |
103 | ||
104 | static const bt_integer_range_signed * | |
105 | rangeByIndex(const bt_integer_range_set_signed * const libRangePtr, | |
106 | const std::uint64_t index) noexcept | |
107 | { | |
108 | return bt_integer_range_set_signed_borrow_range_by_index_const(libRangePtr, index); | |
109 | } | |
110 | ||
111 | static bool isEqual(const bt_integer_range_set_signed * const libRangePtrA, | |
112 | const bt_integer_range_set_signed * const libRangePtrB) noexcept | |
113 | { | |
114 | return static_cast<bool>(bt_integer_range_set_signed_is_equal(libRangePtrA, libRangePtrB)); | |
115 | } | |
116 | ||
117 | static bt_integer_range_set_add_range_status | |
118 | addRange(bt_integer_range_set_signed * const libRangePtr, const std::int64_t lower, | |
119 | const std::int64_t upper) noexcept | |
120 | { | |
121 | return bt_integer_range_set_signed_add_range(libRangePtr, lower, upper); | |
122 | } | |
123 | ||
124 | static bt_integer_range_set_signed *create() noexcept | |
125 | { | |
126 | return bt_integer_range_set_signed_create(); | |
127 | } | |
128 | }; | |
129 | ||
130 | } // namespace internal | |
131 | ||
132 | template <typename LibObjT> | |
133 | class CommonIntegerRangeSet final : public internal::BorrowedObj<LibObjT> | |
134 | { | |
135 | // Allow operator==() to call `other._libObjPtr()` | |
136 | friend class CommonIntegerRangeSet<bt_integer_range_set_unsigned>; | |
137 | friend class CommonIntegerRangeSet<const bt_integer_range_set_unsigned>; | |
138 | friend class CommonIntegerRangeSet<bt_integer_range_set_signed>; | |
139 | friend class CommonIntegerRangeSet<const bt_integer_range_set_signed>; | |
140 | ||
141 | private: | |
142 | using typename internal::BorrowedObj<LibObjT>::_ThisBorrowedObj; | |
143 | using typename internal::BorrowedObj<LibObjT>::_LibObjPtr; | |
144 | using _ConstLibObjT = typename std::add_const<LibObjT>::type; | |
145 | using _RefFuncs = internal::IntegerRangeSetRefFuncs<_ConstLibObjT>; | |
146 | using _Spec = internal::CommonIntegerRangeSetSpec<_ConstLibObjT>; | |
147 | using _ThisCommonIntegerRangeSet = CommonIntegerRangeSet<LibObjT>; | |
148 | ||
149 | public: | |
150 | using Shared = internal::SharedObj<_ThisCommonIntegerRangeSet, LibObjT, _RefFuncs>; | |
151 | ||
152 | using Range = typename std::conditional< | |
153 | std::is_same<_ConstLibObjT, const bt_integer_range_set_unsigned>::value, | |
154 | ConstUnsignedIntegerRange, ConstSignedIntegerRange>::type; | |
155 | ||
156 | using Value = typename Range::Value; | |
157 | ||
158 | explicit CommonIntegerRangeSet(const _LibObjPtr libObjPtr) noexcept : | |
159 | _ThisBorrowedObj {libObjPtr} | |
160 | { | |
161 | } | |
162 | ||
163 | static Shared create() | |
164 | { | |
165 | const auto libObjPtr = _Spec::create(); | |
166 | ||
167 | internal::validateCreatedObjPtr(libObjPtr); | |
168 | return Shared {_ThisCommonIntegerRangeSet {libObjPtr}}; | |
169 | } | |
170 | ||
171 | template <typename OtherLibObjT> | |
172 | CommonIntegerRangeSet(const CommonIntegerRangeSet<OtherLibObjT>& rangeSet) noexcept : | |
173 | _ThisBorrowedObj {rangeSet} | |
174 | { | |
175 | } | |
176 | ||
177 | template <typename OtherLibObjT> | |
178 | _ThisCommonIntegerRangeSet& | |
179 | operator=(const CommonIntegerRangeSet<OtherLibObjT>& rangeSet) noexcept | |
180 | { | |
181 | _ThisBorrowedObj::operator=(rangeSet); | |
182 | return *this; | |
183 | } | |
184 | ||
185 | template <typename OtherLibObjT> | |
186 | bool operator==(const CommonIntegerRangeSet<OtherLibObjT>& other) const noexcept | |
187 | { | |
188 | return _Spec::isEqual(this->_libObjPtr(), other._libObjPtr()); | |
189 | } | |
190 | ||
191 | template <typename OtherLibObjT> | |
192 | bool operator!=(const CommonIntegerRangeSet<OtherLibObjT>& other) const noexcept | |
193 | { | |
194 | return !(*this == other); | |
195 | } | |
196 | ||
197 | void addRange(const Value lower, const Value upper) | |
198 | { | |
199 | static_assert(!std::is_const<LibObjT>::value, "`LibObjT` must NOT be `const`."); | |
200 | ||
201 | const auto status = _Spec::addRange(this->_libObjPtr(), lower, upper); | |
202 | ||
203 | if (status == BT_INTEGER_RANGE_SET_ADD_RANGE_STATUS_MEMORY_ERROR) { | |
204 | throw LibMemoryError {}; | |
205 | } | |
206 | } | |
207 | ||
208 | std::uint64_t size() const noexcept | |
209 | { | |
210 | return _Spec::size(this->_libObjPtr()); | |
211 | } | |
212 | ||
213 | Range operator[](const std::uint64_t index) const noexcept | |
214 | { | |
215 | return Range {_Spec::rangeByIndex(this->_libObjPtr(), index)}; | |
216 | } | |
217 | ||
218 | Shared shared() const noexcept | |
219 | { | |
220 | return Shared {*this}; | |
221 | } | |
222 | }; | |
223 | ||
224 | using UnsignedIntegerRangeSet = CommonIntegerRangeSet<bt_integer_range_set_unsigned>; | |
225 | using ConstUnsignedIntegerRangeSet = CommonIntegerRangeSet<const bt_integer_range_set_unsigned>; | |
226 | using SignedIntegerRangeSet = CommonIntegerRangeSet<bt_integer_range_set_signed>; | |
227 | using ConstSignedIntegerRangeSet = CommonIntegerRangeSet<const bt_integer_range_set_signed>; | |
228 | ||
229 | } // namespace bt2 | |
230 | ||
231 | #endif // BABELTRACE_CPP_COMMON_BT2_INTEGER_RANGE_SET_HPP |