Commit | Line | Data |
---|---|---|
0235b0db | 1 | # SPDX-License-Identifier: MIT |
19bb8b5a PP |
2 | # |
3 | # Copyright (c) 2017 Philippe Proulx <pproulx@efficios.com> | |
19bb8b5a PP |
4 | |
5 | from bt2 import native_bt, object, utils | |
6 | import collections.abc | |
7 | import bt2 | |
8 | ||
9 | ||
fc866000 | 10 | class _IntegerRangeConst: |
7a2a2328 | 11 | def __init__(self, lower, upper=None): |
19bb8b5a | 12 | self._check_type(lower) |
7a2a2328 PP |
13 | |
14 | if upper is None: | |
15 | upper = lower | |
16 | ||
19bb8b5a PP |
17 | self._check_type(upper) |
18 | ||
19 | if lower > upper: | |
cfbd7cf3 FD |
20 | raise ValueError( |
21 | "range's lower bound ({}) is greater than its upper bound ({})".format( | |
22 | lower, upper | |
23 | ) | |
24 | ) | |
19bb8b5a PP |
25 | |
26 | self._lower = lower | |
27 | self._upper = upper | |
28 | ||
29 | @property | |
30 | def lower(self): | |
31 | return self._lower | |
32 | ||
33 | @property | |
34 | def upper(self): | |
35 | return self._upper | |
36 | ||
37 | def contains(self, value): | |
38 | self._check_type(value) | |
39 | return value >= self._lower and value <= self._upper | |
40 | ||
41 | def __eq__(self, other): | |
fc866000 | 42 | if not isinstance(other, _IntegerRangeConst): |
19bb8b5a PP |
43 | return False |
44 | ||
45 | return self.lower == other.lower and self.upper == other.upper | |
46 | ||
47 | ||
fc866000 FD |
48 | class _IntegerRange(_IntegerRangeConst): |
49 | def __init__(self, lower, upper=None): | |
50 | super().__init__(lower, upper) | |
51 | ||
52 | ||
53 | class _SignedIntegerRangeConst(_IntegerRangeConst): | |
7a2a2328 | 54 | _is_type = staticmethod(utils._is_int64) |
19bb8b5a PP |
55 | _check_type = staticmethod(utils._check_int64) |
56 | ||
57 | ||
fc866000 FD |
58 | class SignedIntegerRange(_SignedIntegerRangeConst, _IntegerRange): |
59 | pass | |
19bb8b5a PP |
60 | |
61 | ||
fc866000 FD |
62 | class _UnsignedIntegerRangeConst(_IntegerRangeConst): |
63 | _is_type = staticmethod(utils._is_uint64) | |
64 | _check_type = staticmethod(utils._check_uint64) | |
19bb8b5a | 65 | |
19bb8b5a | 66 | |
fc866000 FD |
67 | class UnsignedIntegerRange(_UnsignedIntegerRangeConst, _IntegerRange): |
68 | pass | |
19bb8b5a | 69 | |
19bb8b5a | 70 | |
fc866000 | 71 | class _IntegerRangeSetConst(object._SharedObject, collections.abc.Set): |
19bb8b5a PP |
72 | def __len__(self): |
73 | range_set_ptr = self._as_range_set_ptr(self._ptr) | |
74 | count = native_bt.integer_range_set_get_range_count(range_set_ptr) | |
75 | assert count >= 0 | |
76 | return count | |
77 | ||
78 | def __contains__(self, other_range): | |
79 | for rg in self: | |
80 | if rg == other_range: | |
81 | return True | |
82 | ||
83 | return False | |
84 | ||
85 | def __iter__(self): | |
86 | for idx in range(len(self)): | |
fc866000 | 87 | rg_ptr = self._borrow_range_ptr_by_index(self._ptr, idx) |
19bb8b5a PP |
88 | assert rg_ptr is not None |
89 | lower = self._range_get_lower(rg_ptr) | |
90 | upper = self._range_get_upper(rg_ptr) | |
fc866000 | 91 | yield self._range_pycls(lower, upper) |
19bb8b5a PP |
92 | |
93 | def __eq__(self, other): | |
fc866000 FD |
94 | |
95 | if not isinstance(other, _IntegerRangeSetConst): | |
19bb8b5a PP |
96 | return False |
97 | ||
cd933d89 | 98 | return self._is_equal(self._ptr, other._ptr) |
19bb8b5a PP |
99 | |
100 | def contains_value(self, value): | |
101 | for rg in self: | |
102 | if rg.contains(value): | |
103 | return True | |
104 | ||
105 | return False | |
106 | ||
fc866000 FD |
107 | |
108 | class _IntegerRangeSet(_IntegerRangeSetConst, collections.abc.MutableSet): | |
109 | def __init__(self, ranges=None): | |
110 | ptr = self._create_range_set() | |
111 | ||
112 | if ptr is None: | |
113 | raise bt2._MemoryError('cannot create range set object') | |
114 | ||
115 | super().__init__(ptr) | |
116 | ||
117 | if ranges is not None: | |
118 | # will raise if not iterable | |
119 | for rg in ranges: | |
120 | self.add(rg) | |
121 | ||
19bb8b5a | 122 | def add(self, rg): |
fc866000 FD |
123 | if type(rg) is not self._range_pycls: |
124 | if self._range_pycls._is_type(rg): | |
125 | rg = self._range_pycls(rg) | |
7a2a2328 PP |
126 | else: |
127 | # assume it's a simple pair (will raise if it's not) | |
fc866000 | 128 | rg = self._range_pycls(rg[0], rg[1]) |
19bb8b5a PP |
129 | |
130 | status = self._add_range(self._ptr, rg.lower, rg.upper) | |
cfbd7cf3 | 131 | utils._handle_func_status(status, 'cannot add range to range set object') |
19bb8b5a PP |
132 | |
133 | def discard(self, rg): | |
134 | raise NotImplementedError | |
135 | ||
136 | ||
fc866000 | 137 | class _SignedIntegerRangeSetConst(_IntegerRangeSetConst): |
19bb8b5a PP |
138 | _get_ref = staticmethod(native_bt.integer_range_set_signed_get_ref) |
139 | _put_ref = staticmethod(native_bt.integer_range_set_signed_put_ref) | |
cfbd7cf3 FD |
140 | _as_range_set_ptr = staticmethod( |
141 | native_bt.integer_range_set_signed_as_range_set_const | |
142 | ) | |
fc866000 | 143 | _borrow_range_ptr_by_index = staticmethod( |
cfbd7cf3 FD |
144 | native_bt.integer_range_set_signed_borrow_range_by_index_const |
145 | ) | |
19bb8b5a PP |
146 | _range_get_lower = staticmethod(native_bt.integer_range_signed_get_lower) |
147 | _range_get_upper = staticmethod(native_bt.integer_range_signed_get_upper) | |
cd933d89 | 148 | _is_equal = staticmethod(native_bt.integer_range_set_signed_is_equal) |
fc866000 | 149 | _range_pycls = _SignedIntegerRangeConst |
19bb8b5a PP |
150 | |
151 | ||
fc866000 FD |
152 | class SignedIntegerRangeSet(_SignedIntegerRangeSetConst, _IntegerRangeSet): |
153 | _create_range_set = staticmethod(native_bt.integer_range_set_signed_create) | |
154 | _add_range = staticmethod(native_bt.integer_range_set_signed_add_range) | |
155 | _range_pycls = SignedIntegerRange | |
156 | ||
157 | ||
158 | class _UnsignedIntegerRangeSetConst(_IntegerRangeSetConst): | |
19bb8b5a PP |
159 | _get_ref = staticmethod(native_bt.integer_range_set_unsigned_get_ref) |
160 | _put_ref = staticmethod(native_bt.integer_range_set_unsigned_put_ref) | |
cfbd7cf3 FD |
161 | _as_range_set_ptr = staticmethod( |
162 | native_bt.integer_range_set_unsigned_as_range_set_const | |
163 | ) | |
fc866000 | 164 | _borrow_range_ptr_by_index = staticmethod( |
cfbd7cf3 FD |
165 | native_bt.integer_range_set_unsigned_borrow_range_by_index_const |
166 | ) | |
19bb8b5a PP |
167 | _range_get_lower = staticmethod(native_bt.integer_range_unsigned_get_lower) |
168 | _range_get_upper = staticmethod(native_bt.integer_range_unsigned_get_upper) | |
cd933d89 | 169 | _is_equal = staticmethod(native_bt.integer_range_set_unsigned_is_equal) |
fc866000 FD |
170 | _range_pycls = _UnsignedIntegerRangeConst |
171 | ||
172 | ||
173 | class UnsignedIntegerRangeSet(_UnsignedIntegerRangeSetConst, _IntegerRangeSet): | |
174 | _create_range_set = staticmethod(native_bt.integer_range_set_unsigned_create) | |
175 | _add_range = staticmethod(native_bt.integer_range_set_unsigned_add_range) | |
176 | _range_pycls = UnsignedIntegerRange |