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81447b5b PP |
1 | # The MIT License (MIT) |
2 | # | |
f6a5e476 | 3 | # Copyright (c) 2017 Philippe Proulx <pproulx@efficios.com> |
81447b5b PP |
4 | # |
5 | # Permission is hereby granted, free of charge, to any person obtaining a copy | |
6 | # of this software and associated documentation files (the "Software"), to deal | |
7 | # in the Software without restriction, including without limitation the rights | |
8 | # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
9 | # copies of the Software, and to permit persons to whom the Software is | |
10 | # furnished to do so, subject to the following conditions: | |
11 | # | |
12 | # The above copyright notice and this permission notice shall be included in | |
13 | # all copies or substantial portions of the Software. | |
14 | # | |
15 | # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
18 | # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
20 | # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
21 | # THE SOFTWARE. | |
22 | ||
23 | from bt2 import native_bt, object, utils | |
c946c9de | 24 | from bt2 import field_class as bt2_field_class |
81447b5b PP |
25 | import collections.abc |
26 | import functools | |
27 | import numbers | |
28 | import math | |
81447b5b PP |
29 | import bt2 |
30 | ||
31 | ||
27d97a3f SM |
32 | def _create_field_from_ptr(ptr, owner_ptr, owner_get_ref, owner_put_ref): |
33 | field_class_ptr = native_bt.field_borrow_class_const(ptr) | |
27d97a3f SM |
34 | typeid = native_bt.field_class_get_type(field_class_ptr) |
35 | field = _TYPE_ID_TO_OBJ[typeid]._create_from_ptr_and_get_ref( | |
61d96b89 FD |
36 | ptr, owner_ptr, owner_get_ref, owner_put_ref |
37 | ) | |
81447b5b PP |
38 | return field |
39 | ||
40 | ||
4470d3a6 SM |
41 | # Get the "effective" field of `field`. If `field` is a variant, return the |
42 | # currently selected field. If `field` is of any other type, return `field` | |
43 | # directly. | |
81447b5b | 44 | |
61d96b89 | 45 | |
4470d3a6 SM |
46 | def _get_leaf_field(field): |
47 | if not isinstance(field, _VariantField): | |
48 | return field | |
49 | ||
50 | return _get_leaf_field(field.selected_option) | |
81447b5b | 51 | |
80d037bc | 52 | |
4470d3a6 SM |
53 | class _Field(object._UniqueObject): |
54 | def __eq__(self, other): | |
80d037bc JG |
55 | other = _get_leaf_field(other) |
56 | return self._spec_eq(other) | |
57 | ||
81447b5b | 58 | @property |
32656995 | 59 | def field_class(self): |
e8d2391b SM |
60 | field_class_ptr = native_bt.field_borrow_class_const(self._ptr) |
61 | assert field_class_ptr is not None | |
c946c9de | 62 | return bt2_field_class._create_field_class_from_ptr_and_get_ref(field_class_ptr) |
81447b5b | 63 | |
dc78ca2f JG |
64 | def _repr(self): |
65 | raise NotImplementedError | |
66 | ||
67 | def __repr__(self): | |
4470d3a6 | 68 | return self._repr() |
dc78ca2f | 69 | |
81447b5b PP |
70 | |
71 | @functools.total_ordering | |
72 | class _NumericField(_Field): | |
73 | @staticmethod | |
74 | def _extract_value(other): | |
0bde7b52 | 75 | if isinstance(other, bool): |
81447b5b PP |
76 | return other |
77 | ||
78 | if isinstance(other, numbers.Integral): | |
79 | return int(other) | |
80 | ||
81 | if isinstance(other, numbers.Real): | |
82 | return float(other) | |
83 | ||
84 | if isinstance(other, numbers.Complex): | |
85 | return complex(other) | |
86 | ||
61d96b89 FD |
87 | raise TypeError( |
88 | "'{}' object is not a number object".format(other.__class__.__name__) | |
89 | ) | |
81447b5b PP |
90 | |
91 | def __int__(self): | |
80d037bc | 92 | return int(self._value) |
81447b5b PP |
93 | |
94 | def __float__(self): | |
80d037bc | 95 | return float(self._value) |
81447b5b | 96 | |
dc78ca2f | 97 | def _repr(self): |
e100fef0 | 98 | return repr(self._value) |
81447b5b PP |
99 | |
100 | def __lt__(self, other): | |
101 | if not isinstance(other, numbers.Number): | |
61d96b89 FD |
102 | raise TypeError( |
103 | 'unorderable types: {}() < {}()'.format( | |
104 | self.__class__.__name__, other.__class__.__name__ | |
105 | ) | |
106 | ) | |
81447b5b | 107 | |
5f953519 | 108 | return self._value < self._extract_value(other) |
81447b5b | 109 | |
80d037bc | 110 | def _spec_eq(self, other): |
0bde7b52 PP |
111 | try: |
112 | return self._value == self._extract_value(other) | |
113 | except: | |
114 | return False | |
81447b5b PP |
115 | |
116 | def __rmod__(self, other): | |
80d037bc | 117 | return self._extract_value(other) % self._value |
81447b5b PP |
118 | |
119 | def __mod__(self, other): | |
80d037bc | 120 | return self._value % self._extract_value(other) |
81447b5b PP |
121 | |
122 | def __rfloordiv__(self, other): | |
80d037bc | 123 | return self._extract_value(other) // self._value |
81447b5b PP |
124 | |
125 | def __floordiv__(self, other): | |
80d037bc | 126 | return self._value // self._extract_value(other) |
81447b5b PP |
127 | |
128 | def __round__(self, ndigits=None): | |
129 | if ndigits is None: | |
80d037bc | 130 | return round(self._value) |
81447b5b | 131 | else: |
80d037bc | 132 | return round(self._value, ndigits) |
81447b5b PP |
133 | |
134 | def __ceil__(self): | |
80d037bc | 135 | return math.ceil(self._value) |
81447b5b PP |
136 | |
137 | def __floor__(self): | |
80d037bc | 138 | return math.floor(self._value) |
81447b5b PP |
139 | |
140 | def __trunc__(self): | |
80d037bc | 141 | return int(self._value) |
81447b5b PP |
142 | |
143 | def __abs__(self): | |
80d037bc | 144 | return abs(self._value) |
81447b5b PP |
145 | |
146 | def __add__(self, other): | |
80d037bc | 147 | return self._value + self._extract_value(other) |
81447b5b PP |
148 | |
149 | def __radd__(self, other): | |
150 | return self.__add__(other) | |
151 | ||
152 | def __neg__(self): | |
80d037bc | 153 | return -self._value |
81447b5b PP |
154 | |
155 | def __pos__(self): | |
80d037bc | 156 | return +self._value |
81447b5b PP |
157 | |
158 | def __mul__(self, other): | |
80d037bc | 159 | return self._value * self._extract_value(other) |
81447b5b PP |
160 | |
161 | def __rmul__(self, other): | |
162 | return self.__mul__(other) | |
163 | ||
164 | def __truediv__(self, other): | |
80d037bc | 165 | return self._value / self._extract_value(other) |
81447b5b PP |
166 | |
167 | def __rtruediv__(self, other): | |
80d037bc | 168 | return self._extract_value(other) / self._value |
81447b5b PP |
169 | |
170 | def __pow__(self, exponent): | |
80d037bc | 171 | return self._value ** self._extract_value(exponent) |
81447b5b PP |
172 | |
173 | def __rpow__(self, base): | |
80d037bc | 174 | return self._extract_value(base) ** self._value |
81447b5b | 175 | |
81447b5b PP |
176 | |
177 | class _IntegralField(_NumericField, numbers.Integral): | |
178 | def __lshift__(self, other): | |
80d037bc | 179 | return self._value << self._extract_value(other) |
81447b5b PP |
180 | |
181 | def __rlshift__(self, other): | |
80d037bc | 182 | return self._extract_value(other) << self._value |
81447b5b PP |
183 | |
184 | def __rshift__(self, other): | |
80d037bc | 185 | return self._value >> self._extract_value(other) |
81447b5b PP |
186 | |
187 | def __rrshift__(self, other): | |
80d037bc | 188 | return self._extract_value(other) >> self._value |
81447b5b PP |
189 | |
190 | def __and__(self, other): | |
80d037bc | 191 | return self._value & self._extract_value(other) |
81447b5b PP |
192 | |
193 | def __rand__(self, other): | |
80d037bc | 194 | return self._extract_value(other) & self._value |
81447b5b PP |
195 | |
196 | def __xor__(self, other): | |
80d037bc | 197 | return self._value ^ self._extract_value(other) |
81447b5b PP |
198 | |
199 | def __rxor__(self, other): | |
80d037bc | 200 | return self._extract_value(other) ^ self._value |
81447b5b PP |
201 | |
202 | def __or__(self, other): | |
80d037bc | 203 | return self._value | self._extract_value(other) |
81447b5b PP |
204 | |
205 | def __ror__(self, other): | |
80d037bc | 206 | return self._extract_value(other) | self._value |
81447b5b PP |
207 | |
208 | def __invert__(self): | |
80d037bc | 209 | return ~self._value |
81447b5b | 210 | |
81447b5b | 211 | |
27d97a3f | 212 | class _IntegerField(_IntegralField, _Field): |
81447b5b PP |
213 | pass |
214 | ||
215 | ||
27d97a3f SM |
216 | class _UnsignedIntegerField(_IntegerField, _Field): |
217 | _NAME = 'Unsigned integer' | |
4470d3a6 | 218 | |
81447b5b | 219 | def _value_to_int(self, value): |
e2cf9726 PP |
220 | if not isinstance(value, numbers.Integral): |
221 | raise TypeError('expecting an integral number object') | |
81447b5b PP |
222 | |
223 | value = int(value) | |
27d97a3f | 224 | utils._check_uint64(value) |
81447b5b PP |
225 | |
226 | return value | |
227 | ||
228 | @property | |
80d037bc | 229 | def _value(self): |
60bbfc7c | 230 | return native_bt.field_integer_unsigned_get_value(self._ptr) |
81447b5b | 231 | |
27d97a3f SM |
232 | def _set_value(self, value): |
233 | value = self._value_to_int(value) | |
60bbfc7c | 234 | native_bt.field_integer_unsigned_set_value(self._ptr, value) |
27d97a3f SM |
235 | |
236 | value = property(fset=_set_value) | |
237 | ||
238 | ||
239 | class _SignedIntegerField(_IntegerField, _Field): | |
240 | _NAME = 'Signed integer' | |
4470d3a6 | 241 | |
27d97a3f | 242 | def _value_to_int(self, value): |
e2cf9726 PP |
243 | if not isinstance(value, numbers.Integral): |
244 | raise TypeError('expecting an integral number object') | |
80d037bc | 245 | |
27d97a3f SM |
246 | value = int(value) |
247 | utils._check_int64(value) | |
f6a5e476 | 248 | |
81447b5b PP |
249 | return value |
250 | ||
27d97a3f SM |
251 | @property |
252 | def _value(self): | |
60bbfc7c | 253 | return native_bt.field_integer_signed_get_value(self._ptr) |
27d97a3f | 254 | |
80d037bc | 255 | def _set_value(self, value): |
81447b5b | 256 | value = self._value_to_int(value) |
60bbfc7c | 257 | native_bt.field_integer_signed_set_value(self._ptr, value) |
81447b5b | 258 | |
80d037bc | 259 | value = property(fset=_set_value) |
81447b5b | 260 | |
5c8b3186 | 261 | |
27d97a3f SM |
262 | class _RealField(_NumericField, numbers.Real): |
263 | _NAME = 'Real' | |
81447b5b PP |
264 | |
265 | def _value_to_float(self, value): | |
266 | if not isinstance(value, numbers.Real): | |
267 | raise TypeError("expecting a real number object") | |
268 | ||
269 | return float(value) | |
270 | ||
271 | @property | |
80d037bc | 272 | def _value(self): |
27d97a3f | 273 | return native_bt.field_real_get_value(self._ptr) |
81447b5b | 274 | |
80d037bc | 275 | def _set_value(self, value): |
81447b5b | 276 | value = self._value_to_float(value) |
27d97a3f | 277 | native_bt.field_real_set_value(self._ptr, value) |
81447b5b | 278 | |
80d037bc | 279 | value = property(fset=_set_value) |
81447b5b | 280 | |
5c8b3186 | 281 | |
81447b5b | 282 | class _EnumerationField(_IntegerField): |
4470d3a6 SM |
283 | def _repr(self): |
284 | return '{} ({})'.format(self._value, ', '.join(self.labels)) | |
81447b5b PP |
285 | |
286 | @property | |
4470d3a6 | 287 | def labels(self): |
fb25b9e3 | 288 | status, labels = self._get_mapping_labels(self._ptr) |
61d96b89 | 289 | utils._handle_func_status(status, "cannot get label for enumeration field") |
81447b5b | 290 | |
4470d3a6 SM |
291 | assert labels is not None |
292 | return labels | |
81447b5b | 293 | |
a310d6bd | 294 | |
4470d3a6 SM |
295 | class _UnsignedEnumerationField(_EnumerationField, _UnsignedIntegerField): |
296 | _NAME = 'Unsigned Enumeration' | |
61d96b89 | 297 | _get_mapping_labels = staticmethod( |
60bbfc7c | 298 | native_bt.field_enumeration_unsigned_get_mapping_labels |
61d96b89 | 299 | ) |
80d037bc | 300 | |
80d037bc | 301 | |
4470d3a6 SM |
302 | class _SignedEnumerationField(_EnumerationField, _SignedIntegerField): |
303 | _NAME = 'Signed Enumeration' | |
61d96b89 | 304 | _get_mapping_labels = staticmethod( |
60bbfc7c | 305 | native_bt.field_enumeration_signed_get_mapping_labels |
61d96b89 | 306 | ) |
81447b5b PP |
307 | |
308 | ||
309 | @functools.total_ordering | |
4470d3a6 | 310 | class _StringField(_Field): |
81447b5b PP |
311 | _NAME = 'String' |
312 | ||
313 | def _value_to_str(self, value): | |
314 | if isinstance(value, self.__class__): | |
80d037bc | 315 | value = value._value |
81447b5b PP |
316 | |
317 | if not isinstance(value, str): | |
318 | raise TypeError("expecting a 'str' object") | |
319 | ||
320 | return value | |
321 | ||
322 | @property | |
80d037bc | 323 | def _value(self): |
4470d3a6 | 324 | return native_bt.field_string_get_value(self._ptr) |
81447b5b | 325 | |
80d037bc | 326 | def _set_value(self, value): |
81447b5b | 327 | value = self._value_to_str(value) |
4470d3a6 | 328 | native_bt.field_string_set_value(self._ptr, value) |
81447b5b | 329 | |
80d037bc JG |
330 | value = property(fset=_set_value) |
331 | ||
332 | def _spec_eq(self, other): | |
81447b5b | 333 | try: |
0bde7b52 PP |
334 | return self._value == self._value_to_str(other) |
335 | except: | |
81447b5b PP |
336 | return False |
337 | ||
81447b5b | 338 | def __lt__(self, other): |
80d037bc | 339 | return self._value < self._value_to_str(other) |
81447b5b PP |
340 | |
341 | def __bool__(self): | |
80d037bc | 342 | return bool(self._value) |
81447b5b | 343 | |
dc78ca2f | 344 | def _repr(self): |
89182b7e JG |
345 | return repr(self._value) |
346 | ||
81447b5b | 347 | def __str__(self): |
4470d3a6 | 348 | return str(self._value) |
81447b5b PP |
349 | |
350 | def __getitem__(self, index): | |
80d037bc | 351 | return self._value[index] |
81447b5b PP |
352 | |
353 | def __len__(self): | |
4470d3a6 | 354 | return native_bt.field_string_get_length(self._ptr) |
81447b5b PP |
355 | |
356 | def __iadd__(self, value): | |
357 | value = self._value_to_str(value) | |
fb25b9e3 | 358 | status = native_bt.field_string_append(self._ptr, value) |
61d96b89 FD |
359 | utils._handle_func_status( |
360 | status, "cannot append to string field object's value" | |
361 | ) | |
81447b5b PP |
362 | return self |
363 | ||
364 | ||
365 | class _ContainerField(_Field): | |
366 | def __bool__(self): | |
367 | return len(self) != 0 | |
368 | ||
369 | def __len__(self): | |
370 | count = self._count() | |
4470d3a6 | 371 | assert count >= 0 |
81447b5b PP |
372 | return count |
373 | ||
374 | def __delitem__(self, index): | |
375 | raise NotImplementedError | |
376 | ||
377 | ||
378 | class _StructureField(_ContainerField, collections.abc.MutableMapping): | |
379 | _NAME = 'Structure' | |
380 | ||
381 | def _count(self): | |
32656995 | 382 | return len(self.field_class) |
81447b5b | 383 | |
81447b5b | 384 | def __setitem__(self, key, value): |
f987e50a | 385 | # raises if key is somehow invalid |
81447b5b PP |
386 | field = self[key] |
387 | ||
81447b5b PP |
388 | # the field's property does the appropriate conversion or raises |
389 | # the appropriate exception | |
390 | field.value = value | |
391 | ||
81447b5b PP |
392 | def __iter__(self): |
393 | # same name iterator | |
32656995 | 394 | return iter(self.field_class) |
81447b5b | 395 | |
80d037bc | 396 | def _spec_eq(self, other): |
0bde7b52 PP |
397 | if not isinstance(other, collections.abc.Mapping): |
398 | return False | |
81447b5b | 399 | |
0bde7b52 PP |
400 | if len(self) != len(other): |
401 | # early mismatch | |
402 | return False | |
81447b5b | 403 | |
0bde7b52 PP |
404 | for self_key in self: |
405 | if self_key not in other: | |
406 | return False | |
81447b5b | 407 | |
0bde7b52 PP |
408 | if self[self_key] != other[self_key]: |
409 | return False | |
80d037bc | 410 | |
0bde7b52 | 411 | return True |
81447b5b | 412 | |
80d037bc | 413 | def _set_value(self, values): |
80d037bc JG |
414 | try: |
415 | for key, value in values.items(): | |
416 | self[key].value = value | |
4470d3a6 | 417 | except Exception: |
80d037bc | 418 | raise |
d5697082 | 419 | |
80d037bc | 420 | value = property(fset=_set_value) |
81447b5b | 421 | |
dc78ca2f | 422 | def _repr(self): |
797f4a78 JG |
423 | items = ['{}: {}'.format(repr(k), repr(v)) for k, v in self.items()] |
424 | return '{{{}}}'.format(', '.join(items)) | |
425 | ||
4470d3a6 SM |
426 | def __getitem__(self, key): |
427 | utils._check_str(key) | |
61d96b89 FD |
428 | field_ptr = native_bt.field_structure_borrow_member_field_by_name( |
429 | self._ptr, key | |
430 | ) | |
5c8b3186 | 431 | |
4470d3a6 SM |
432 | if field_ptr is None: |
433 | raise KeyError(key) | |
81447b5b | 434 | |
61d96b89 FD |
435 | return _create_field_from_ptr( |
436 | field_ptr, self._owner_ptr, self._owner_get_ref, self._owner_put_ref | |
437 | ) | |
f6a5e476 | 438 | |
4470d3a6 SM |
439 | def member_at_index(self, index): |
440 | utils._check_uint64(index) | |
f6a5e476 | 441 | |
4470d3a6 SM |
442 | if index >= len(self): |
443 | raise IndexError | |
444 | ||
61d96b89 FD |
445 | field_ptr = native_bt.field_structure_borrow_member_field_by_index( |
446 | self._ptr, index | |
447 | ) | |
4470d3a6 | 448 | assert field_ptr is not None |
61d96b89 FD |
449 | return _create_field_from_ptr( |
450 | field_ptr, self._owner_ptr, self._owner_get_ref, self._owner_put_ref | |
451 | ) | |
4470d3a6 SM |
452 | |
453 | ||
454 | class _VariantField(_ContainerField, _Field): | |
455 | _NAME = 'Variant' | |
81447b5b PP |
456 | |
457 | @property | |
4470d3a6 SM |
458 | def selected_option_index(self): |
459 | return native_bt.field_variant_get_selected_option_field_index(self._ptr) | |
81447b5b | 460 | |
4470d3a6 SM |
461 | @selected_option_index.setter |
462 | def selected_option_index(self, index): | |
02b61fe0 | 463 | native_bt.field_variant_select_option_field_by_index(self._ptr, index) |
f6a5e476 | 464 | |
4470d3a6 SM |
465 | @property |
466 | def selected_option(self): | |
100b6d91 SM |
467 | # TODO: Is there a way to check if the variant field has a selected_option, |
468 | # so we can raise an exception instead of hitting a pre-condition check? | |
469 | # If there is something, that check should be added to selected_option_index too. | |
4470d3a6 | 470 | field_ptr = native_bt.field_variant_borrow_selected_option_field(self._ptr) |
81447b5b | 471 | |
61d96b89 FD |
472 | return _create_field_from_ptr( |
473 | field_ptr, self._owner_ptr, self._owner_get_ref, self._owner_put_ref | |
474 | ) | |
81447b5b | 475 | |
80d037bc | 476 | def _spec_eq(self, other): |
0bde7b52 | 477 | return _get_leaf_field(self) == other |
f6a5e476 PP |
478 | |
479 | def __bool__(self): | |
4470d3a6 | 480 | raise NotImplementedError |
81447b5b | 481 | |
dc78ca2f | 482 | def __str__(self): |
4470d3a6 | 483 | return str(self.selected_option) |
dc78ca2f JG |
484 | |
485 | def _repr(self): | |
4470d3a6 | 486 | return repr(self.selected_option) |
80d037bc JG |
487 | |
488 | def _set_value(self, value): | |
4470d3a6 | 489 | self.selected_option.value = value |
80d037bc JG |
490 | |
491 | value = property(fset=_set_value) | |
81447b5b | 492 | |
5c8b3186 | 493 | |
63631002 | 494 | class _ArrayField(_ContainerField, _Field, collections.abc.MutableSequence): |
4470d3a6 SM |
495 | def _get_length(self): |
496 | return native_bt.field_array_get_length(self._ptr) | |
497 | ||
498 | length = property(fget=_get_length) | |
499 | ||
81447b5b PP |
500 | def __getitem__(self, index): |
501 | if not isinstance(index, numbers.Integral): | |
61d96b89 FD |
502 | raise TypeError( |
503 | "'{}' is not an integral number object: invalid index".format( | |
504 | index.__class__.__name__ | |
505 | ) | |
506 | ) | |
81447b5b PP |
507 | |
508 | index = int(index) | |
509 | ||
510 | if index < 0 or index >= len(self): | |
511 | raise IndexError('{} field object index is out of range'.format(self._NAME)) | |
512 | ||
61d96b89 FD |
513 | field_ptr = native_bt.field_array_borrow_element_field_by_index( |
514 | self._ptr, index | |
515 | ) | |
516 | assert field_ptr | |
517 | return _create_field_from_ptr( | |
518 | field_ptr, self._owner_ptr, self._owner_get_ref, self._owner_put_ref | |
519 | ) | |
81447b5b PP |
520 | |
521 | def __setitem__(self, index, value): | |
81447b5b PP |
522 | # raises if index is somehow invalid |
523 | field = self[index] | |
524 | ||
525 | if not isinstance(field, (_NumericField, _StringField)): | |
526 | raise TypeError('can only set the value of a number or string field') | |
527 | ||
528 | # the field's property does the appropriate conversion or raises | |
529 | # the appropriate exception | |
530 | field.value = value | |
531 | ||
532 | def insert(self, index, value): | |
533 | raise NotImplementedError | |
534 | ||
80d037bc | 535 | def _spec_eq(self, other): |
0bde7b52 PP |
536 | if not isinstance(other, collections.abc.Sequence): |
537 | return False | |
d5697082 | 538 | |
0bde7b52 PP |
539 | if len(self) != len(other): |
540 | # early mismatch | |
80d037bc | 541 | return False |
d5697082 | 542 | |
0bde7b52 PP |
543 | for self_elem, other_elem in zip(self, other): |
544 | if self_elem != other_elem: | |
545 | return False | |
546 | ||
547 | return True | |
548 | ||
dc78ca2f | 549 | def _repr(self): |
7e06e400 JG |
550 | return '[{}]'.format(', '.join([repr(v) for v in self])) |
551 | ||
81447b5b | 552 | |
4470d3a6 SM |
553 | class _StaticArrayField(_ArrayField, _Field): |
554 | _NAME = 'Static array' | |
81447b5b PP |
555 | |
556 | def _count(self): | |
4470d3a6 | 557 | return native_bt.field_array_get_length(self._ptr) |
81447b5b | 558 | |
80d037bc JG |
559 | def _set_value(self, values): |
560 | if len(self) != len(values): | |
61d96b89 | 561 | raise ValueError('expected length of value and array field to match') |
80d037bc | 562 | |
4470d3a6 SM |
563 | for index, value in enumerate(values): |
564 | if value is not None: | |
565 | self[index].value = value | |
80d037bc JG |
566 | |
567 | value = property(fset=_set_value) | |
568 | ||
81447b5b | 569 | |
4470d3a6 SM |
570 | class _DynamicArrayField(_ArrayField, _Field): |
571 | _NAME = 'Dynamic array' | |
81447b5b PP |
572 | |
573 | def _count(self): | |
4470d3a6 | 574 | return self.length |
81447b5b | 575 | |
4470d3a6 SM |
576 | def _set_length(self, length): |
577 | utils._check_uint64(length) | |
60bbfc7c | 578 | status = native_bt.field_array_dynamic_set_length(self._ptr, length) |
fb25b9e3 | 579 | utils._handle_func_status(status, "cannot set dynamic array length") |
81447b5b | 580 | |
4470d3a6 | 581 | length = property(fget=_ArrayField._get_length, fset=_set_length) |
81447b5b | 582 | |
80d037bc | 583 | def _set_value(self, values): |
4470d3a6 SM |
584 | if len(values) != self.length: |
585 | self.length = len(values) | |
80d037bc | 586 | |
4470d3a6 SM |
587 | for index, value in enumerate(values): |
588 | if value is not None: | |
589 | self[index].value = value | |
80d037bc JG |
590 | |
591 | value = property(fset=_set_value) | |
81447b5b | 592 | |
5c8b3186 | 593 | |
81447b5b | 594 | _TYPE_ID_TO_OBJ = { |
27d97a3f SM |
595 | native_bt.FIELD_CLASS_TYPE_UNSIGNED_INTEGER: _UnsignedIntegerField, |
596 | native_bt.FIELD_CLASS_TYPE_SIGNED_INTEGER: _SignedIntegerField, | |
597 | native_bt.FIELD_CLASS_TYPE_REAL: _RealField, | |
4470d3a6 SM |
598 | native_bt.FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION: _UnsignedEnumerationField, |
599 | native_bt.FIELD_CLASS_TYPE_SIGNED_ENUMERATION: _SignedEnumerationField, | |
27d97a3f SM |
600 | native_bt.FIELD_CLASS_TYPE_STRING: _StringField, |
601 | native_bt.FIELD_CLASS_TYPE_STRUCTURE: _StructureField, | |
4470d3a6 SM |
602 | native_bt.FIELD_CLASS_TYPE_STATIC_ARRAY: _StaticArrayField, |
603 | native_bt.FIELD_CLASS_TYPE_DYNAMIC_ARRAY: _DynamicArrayField, | |
02b61fe0 PP |
604 | native_bt.FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR: _VariantField, |
605 | native_bt.FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_SELECTOR: _VariantField, | |
606 | native_bt.FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_SELECTOR: _VariantField, | |
81447b5b | 607 | } |