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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 | |
32656995 | 24 | import 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) | |
34 | utils._handle_ptr(field_class_ptr, "cannot get field object's class") | |
35 | typeid = native_bt.field_class_get_type(field_class_ptr) | |
36 | field = _TYPE_ID_TO_OBJ[typeid]._create_from_ptr_and_get_ref( | |
37 | ptr, owner_ptr, owner_get_ref, owner_put_ref) | |
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 | |
4470d3a6 SM |
45 | def _get_leaf_field(field): |
46 | if not isinstance(field, _VariantField): | |
47 | return field | |
48 | ||
49 | return _get_leaf_field(field.selected_option) | |
81447b5b | 50 | |
80d037bc | 51 | |
4470d3a6 SM |
52 | class _Field(object._UniqueObject): |
53 | def __eq__(self, other): | |
80d037bc JG |
54 | other = _get_leaf_field(other) |
55 | return self._spec_eq(other) | |
56 | ||
81447b5b | 57 | @property |
32656995 | 58 | def field_class(self): |
e8d2391b SM |
59 | field_class_ptr = native_bt.field_borrow_class_const(self._ptr) |
60 | assert field_class_ptr is not None | |
61 | return bt2.field_class._create_field_class_from_ptr_and_get_ref(field_class_ptr) | |
81447b5b | 62 | |
dc78ca2f JG |
63 | def _repr(self): |
64 | raise NotImplementedError | |
65 | ||
66 | def __repr__(self): | |
4470d3a6 | 67 | return self._repr() |
dc78ca2f | 68 | |
81447b5b PP |
69 | |
70 | @functools.total_ordering | |
71 | class _NumericField(_Field): | |
72 | @staticmethod | |
73 | def _extract_value(other): | |
74 | if other is True or other is False: | |
75 | return other | |
76 | ||
77 | if isinstance(other, numbers.Integral): | |
78 | return int(other) | |
79 | ||
80 | if isinstance(other, numbers.Real): | |
81 | return float(other) | |
82 | ||
83 | if isinstance(other, numbers.Complex): | |
84 | return complex(other) | |
85 | ||
86 | raise TypeError("'{}' object is not a number object".format(other.__class__.__name__)) | |
87 | ||
88 | def __int__(self): | |
80d037bc | 89 | return int(self._value) |
81447b5b PP |
90 | |
91 | def __float__(self): | |
80d037bc | 92 | return float(self._value) |
81447b5b | 93 | |
dc78ca2f | 94 | def _repr(self): |
e100fef0 | 95 | return repr(self._value) |
81447b5b PP |
96 | |
97 | def __lt__(self, other): | |
98 | if not isinstance(other, numbers.Number): | |
99 | raise TypeError('unorderable types: {}() < {}()'.format(self.__class__.__name__, | |
100 | other.__class__.__name__)) | |
101 | ||
5f953519 | 102 | return self._value < self._extract_value(other) |
81447b5b | 103 | |
80d037bc | 104 | def _spec_eq(self, other): |
81447b5b | 105 | if not isinstance(other, numbers.Number): |
4470d3a6 | 106 | return NotImplemented |
81447b5b | 107 | |
5f953519 | 108 | return self._value == self._extract_value(other) |
81447b5b PP |
109 | |
110 | def __rmod__(self, other): | |
80d037bc | 111 | return self._extract_value(other) % self._value |
81447b5b PP |
112 | |
113 | def __mod__(self, other): | |
80d037bc | 114 | return self._value % self._extract_value(other) |
81447b5b PP |
115 | |
116 | def __rfloordiv__(self, other): | |
80d037bc | 117 | return self._extract_value(other) // self._value |
81447b5b PP |
118 | |
119 | def __floordiv__(self, other): | |
80d037bc | 120 | return self._value // self._extract_value(other) |
81447b5b PP |
121 | |
122 | def __round__(self, ndigits=None): | |
123 | if ndigits is None: | |
80d037bc | 124 | return round(self._value) |
81447b5b | 125 | else: |
80d037bc | 126 | return round(self._value, ndigits) |
81447b5b PP |
127 | |
128 | def __ceil__(self): | |
80d037bc | 129 | return math.ceil(self._value) |
81447b5b PP |
130 | |
131 | def __floor__(self): | |
80d037bc | 132 | return math.floor(self._value) |
81447b5b PP |
133 | |
134 | def __trunc__(self): | |
80d037bc | 135 | return int(self._value) |
81447b5b PP |
136 | |
137 | def __abs__(self): | |
80d037bc | 138 | return abs(self._value) |
81447b5b PP |
139 | |
140 | def __add__(self, other): | |
80d037bc | 141 | return self._value + self._extract_value(other) |
81447b5b PP |
142 | |
143 | def __radd__(self, other): | |
144 | return self.__add__(other) | |
145 | ||
146 | def __neg__(self): | |
80d037bc | 147 | return -self._value |
81447b5b PP |
148 | |
149 | def __pos__(self): | |
80d037bc | 150 | return +self._value |
81447b5b PP |
151 | |
152 | def __mul__(self, other): | |
80d037bc | 153 | return self._value * self._extract_value(other) |
81447b5b PP |
154 | |
155 | def __rmul__(self, other): | |
156 | return self.__mul__(other) | |
157 | ||
158 | def __truediv__(self, other): | |
80d037bc | 159 | return self._value / self._extract_value(other) |
81447b5b PP |
160 | |
161 | def __rtruediv__(self, other): | |
80d037bc | 162 | return self._extract_value(other) / self._value |
81447b5b PP |
163 | |
164 | def __pow__(self, exponent): | |
80d037bc | 165 | return self._value ** self._extract_value(exponent) |
81447b5b PP |
166 | |
167 | def __rpow__(self, base): | |
80d037bc | 168 | return self._extract_value(base) ** self._value |
81447b5b PP |
169 | |
170 | def __iadd__(self, other): | |
171 | self.value = self + other | |
172 | return self | |
173 | ||
174 | def __isub__(self, other): | |
175 | self.value = self - other | |
176 | return self | |
177 | ||
178 | def __imul__(self, other): | |
179 | self.value = self * other | |
180 | return self | |
181 | ||
182 | def __itruediv__(self, other): | |
183 | self.value = self / other | |
184 | return self | |
185 | ||
186 | def __ifloordiv__(self, other): | |
187 | self.value = self // other | |
188 | return self | |
189 | ||
190 | def __imod__(self, other): | |
191 | self.value = self % other | |
192 | return self | |
193 | ||
194 | def __ipow__(self, other): | |
195 | self.value = self ** other | |
196 | return self | |
197 | ||
198 | ||
199 | class _IntegralField(_NumericField, numbers.Integral): | |
200 | def __lshift__(self, other): | |
80d037bc | 201 | return self._value << self._extract_value(other) |
81447b5b PP |
202 | |
203 | def __rlshift__(self, other): | |
80d037bc | 204 | return self._extract_value(other) << self._value |
81447b5b PP |
205 | |
206 | def __rshift__(self, other): | |
80d037bc | 207 | return self._value >> self._extract_value(other) |
81447b5b PP |
208 | |
209 | def __rrshift__(self, other): | |
80d037bc | 210 | return self._extract_value(other) >> self._value |
81447b5b PP |
211 | |
212 | def __and__(self, other): | |
80d037bc | 213 | return self._value & self._extract_value(other) |
81447b5b PP |
214 | |
215 | def __rand__(self, other): | |
80d037bc | 216 | return self._extract_value(other) & self._value |
81447b5b PP |
217 | |
218 | def __xor__(self, other): | |
80d037bc | 219 | return self._value ^ self._extract_value(other) |
81447b5b PP |
220 | |
221 | def __rxor__(self, other): | |
80d037bc | 222 | return self._extract_value(other) ^ self._value |
81447b5b PP |
223 | |
224 | def __or__(self, other): | |
80d037bc | 225 | return self._value | self._extract_value(other) |
81447b5b PP |
226 | |
227 | def __ror__(self, other): | |
80d037bc | 228 | return self._extract_value(other) | self._value |
81447b5b PP |
229 | |
230 | def __invert__(self): | |
80d037bc | 231 | return ~self._value |
81447b5b PP |
232 | |
233 | def __ilshift__(self, other): | |
234 | self.value = self << other | |
235 | return self | |
236 | ||
237 | def __irshift__(self, other): | |
238 | self.value = self >> other | |
239 | return self | |
240 | ||
241 | def __iand__(self, other): | |
242 | self.value = self & other | |
243 | return self | |
244 | ||
245 | def __ixor__(self, other): | |
246 | self.value = self ^ other | |
247 | return self | |
248 | ||
249 | def __ior__(self, other): | |
250 | self.value = self | other | |
251 | return self | |
252 | ||
253 | ||
27d97a3f | 254 | class _IntegerField(_IntegralField, _Field): |
81447b5b PP |
255 | pass |
256 | ||
257 | ||
27d97a3f SM |
258 | class _UnsignedIntegerField(_IntegerField, _Field): |
259 | _NAME = 'Unsigned integer' | |
4470d3a6 | 260 | |
81447b5b PP |
261 | def _value_to_int(self, value): |
262 | if not isinstance(value, numbers.Real): | |
263 | raise TypeError('expecting a real number object') | |
264 | ||
265 | value = int(value) | |
27d97a3f | 266 | utils._check_uint64(value) |
81447b5b PP |
267 | |
268 | return value | |
269 | ||
270 | @property | |
80d037bc | 271 | def _value(self): |
27d97a3f | 272 | return native_bt.field_unsigned_integer_get_value(self._ptr) |
81447b5b | 273 | |
27d97a3f SM |
274 | def _set_value(self, value): |
275 | value = self._value_to_int(value) | |
276 | native_bt.field_unsigned_integer_set_value(self._ptr, value) | |
277 | ||
278 | value = property(fset=_set_value) | |
279 | ||
280 | ||
281 | class _SignedIntegerField(_IntegerField, _Field): | |
282 | _NAME = 'Signed integer' | |
4470d3a6 | 283 | |
27d97a3f SM |
284 | def _value_to_int(self, value): |
285 | if not isinstance(value, numbers.Real): | |
286 | raise TypeError('expecting a real number object') | |
80d037bc | 287 | |
27d97a3f SM |
288 | value = int(value) |
289 | utils._check_int64(value) | |
f6a5e476 | 290 | |
81447b5b PP |
291 | return value |
292 | ||
27d97a3f SM |
293 | @property |
294 | def _value(self): | |
295 | return native_bt.field_signed_integer_get_value(self._ptr) | |
296 | ||
80d037bc | 297 | def _set_value(self, value): |
81447b5b | 298 | value = self._value_to_int(value) |
27d97a3f | 299 | native_bt.field_signed_integer_set_value(self._ptr, value) |
81447b5b | 300 | |
80d037bc | 301 | value = property(fset=_set_value) |
81447b5b | 302 | |
5c8b3186 | 303 | |
27d97a3f SM |
304 | class _RealField(_NumericField, numbers.Real): |
305 | _NAME = 'Real' | |
81447b5b PP |
306 | |
307 | def _value_to_float(self, value): | |
308 | if not isinstance(value, numbers.Real): | |
309 | raise TypeError("expecting a real number object") | |
310 | ||
311 | return float(value) | |
312 | ||
313 | @property | |
80d037bc | 314 | def _value(self): |
27d97a3f | 315 | return native_bt.field_real_get_value(self._ptr) |
81447b5b | 316 | |
80d037bc | 317 | def _set_value(self, value): |
81447b5b | 318 | value = self._value_to_float(value) |
27d97a3f | 319 | native_bt.field_real_set_value(self._ptr, value) |
81447b5b | 320 | |
80d037bc | 321 | value = property(fset=_set_value) |
81447b5b | 322 | |
5c8b3186 | 323 | |
81447b5b | 324 | class _EnumerationField(_IntegerField): |
4470d3a6 SM |
325 | def _repr(self): |
326 | return '{} ({})'.format(self._value, ', '.join(self.labels)) | |
81447b5b PP |
327 | |
328 | @property | |
4470d3a6 SM |
329 | def labels(self): |
330 | ret, labels = self._get_mapping_labels(self._ptr) | |
331 | utils._handle_ret(ret, "cannot get label for enumeration field") | |
81447b5b | 332 | |
4470d3a6 SM |
333 | assert labels is not None |
334 | return labels | |
81447b5b | 335 | |
a310d6bd | 336 | |
4470d3a6 SM |
337 | class _UnsignedEnumerationField(_EnumerationField, _UnsignedIntegerField): |
338 | _NAME = 'Unsigned Enumeration' | |
339 | _get_mapping_labels = staticmethod(native_bt.field_unsigned_enumeration_get_mapping_labels) | |
80d037bc | 340 | |
80d037bc | 341 | |
4470d3a6 SM |
342 | class _SignedEnumerationField(_EnumerationField, _SignedIntegerField): |
343 | _NAME = 'Signed Enumeration' | |
344 | _get_mapping_labels = staticmethod(native_bt.field_signed_enumeration_get_mapping_labels) | |
81447b5b PP |
345 | |
346 | ||
347 | @functools.total_ordering | |
4470d3a6 | 348 | class _StringField(_Field): |
81447b5b PP |
349 | _NAME = 'String' |
350 | ||
351 | def _value_to_str(self, value): | |
352 | if isinstance(value, self.__class__): | |
80d037bc | 353 | value = value._value |
81447b5b PP |
354 | |
355 | if not isinstance(value, str): | |
356 | raise TypeError("expecting a 'str' object") | |
357 | ||
358 | return value | |
359 | ||
360 | @property | |
80d037bc | 361 | def _value(self): |
4470d3a6 | 362 | return native_bt.field_string_get_value(self._ptr) |
81447b5b | 363 | |
80d037bc | 364 | def _set_value(self, value): |
81447b5b | 365 | value = self._value_to_str(value) |
4470d3a6 | 366 | native_bt.field_string_set_value(self._ptr, value) |
81447b5b | 367 | |
80d037bc JG |
368 | value = property(fset=_set_value) |
369 | ||
370 | def _spec_eq(self, other): | |
81447b5b PP |
371 | try: |
372 | other = self._value_to_str(other) | |
4470d3a6 | 373 | except Exception: |
81447b5b PP |
374 | return False |
375 | ||
80d037bc | 376 | return self._value == other |
81447b5b | 377 | |
81447b5b | 378 | def __lt__(self, other): |
80d037bc | 379 | return self._value < self._value_to_str(other) |
81447b5b PP |
380 | |
381 | def __bool__(self): | |
80d037bc | 382 | return bool(self._value) |
81447b5b | 383 | |
dc78ca2f | 384 | def _repr(self): |
89182b7e JG |
385 | return repr(self._value) |
386 | ||
81447b5b | 387 | def __str__(self): |
4470d3a6 | 388 | return str(self._value) |
81447b5b PP |
389 | |
390 | def __getitem__(self, index): | |
80d037bc | 391 | return self._value[index] |
81447b5b PP |
392 | |
393 | def __len__(self): | |
4470d3a6 | 394 | return native_bt.field_string_get_length(self._ptr) |
81447b5b PP |
395 | |
396 | def __iadd__(self, value): | |
397 | value = self._value_to_str(value) | |
839d52a5 | 398 | ret = native_bt.field_string_append(self._ptr, value) |
81447b5b PP |
399 | utils._handle_ret(ret, "cannot append to string field object's value") |
400 | return self | |
401 | ||
402 | ||
403 | class _ContainerField(_Field): | |
404 | def __bool__(self): | |
405 | return len(self) != 0 | |
406 | ||
407 | def __len__(self): | |
408 | count = self._count() | |
4470d3a6 | 409 | assert count >= 0 |
81447b5b PP |
410 | return count |
411 | ||
412 | def __delitem__(self, index): | |
413 | raise NotImplementedError | |
414 | ||
415 | ||
416 | class _StructureField(_ContainerField, collections.abc.MutableMapping): | |
417 | _NAME = 'Structure' | |
418 | ||
419 | def _count(self): | |
32656995 | 420 | return len(self.field_class) |
81447b5b | 421 | |
81447b5b | 422 | def __setitem__(self, key, value): |
f987e50a | 423 | # raises if key is somehow invalid |
81447b5b PP |
424 | field = self[key] |
425 | ||
81447b5b PP |
426 | # the field's property does the appropriate conversion or raises |
427 | # the appropriate exception | |
428 | field.value = value | |
429 | ||
81447b5b PP |
430 | def __iter__(self): |
431 | # same name iterator | |
32656995 | 432 | return iter(self.field_class) |
81447b5b | 433 | |
80d037bc JG |
434 | def _spec_eq(self, other): |
435 | try: | |
436 | if len(self) != len(other): | |
81447b5b PP |
437 | return False |
438 | ||
80d037bc JG |
439 | for self_key, self_value in self.items(): |
440 | if self_key not in other: | |
441 | return False | |
81447b5b | 442 | |
80d037bc | 443 | other_value = other[self_key] |
81447b5b | 444 | |
80d037bc JG |
445 | if self_value != other_value: |
446 | return False | |
447 | ||
448 | return True | |
4470d3a6 | 449 | except Exception: |
80d037bc | 450 | return False |
81447b5b | 451 | |
80d037bc | 452 | def _set_value(self, values): |
80d037bc JG |
453 | try: |
454 | for key, value in values.items(): | |
455 | self[key].value = value | |
4470d3a6 | 456 | except Exception: |
80d037bc | 457 | raise |
d5697082 | 458 | |
80d037bc | 459 | value = property(fset=_set_value) |
81447b5b | 460 | |
dc78ca2f | 461 | def _repr(self): |
797f4a78 JG |
462 | items = ['{}: {}'.format(repr(k), repr(v)) for k, v in self.items()] |
463 | return '{{{}}}'.format(', '.join(items)) | |
464 | ||
4470d3a6 SM |
465 | def __getitem__(self, key): |
466 | utils._check_str(key) | |
467 | field_ptr = native_bt.field_structure_borrow_member_field_by_name(self._ptr, key) | |
5c8b3186 | 468 | |
4470d3a6 SM |
469 | if field_ptr is None: |
470 | raise KeyError(key) | |
81447b5b | 471 | |
4470d3a6 SM |
472 | return _create_field_from_ptr(field_ptr, self._owner_ptr, |
473 | self._owner_get_ref, | |
474 | self._owner_put_ref) | |
f6a5e476 | 475 | |
4470d3a6 SM |
476 | def member_at_index(self, index): |
477 | utils._check_uint64(index) | |
f6a5e476 | 478 | |
4470d3a6 SM |
479 | if index >= len(self): |
480 | raise IndexError | |
481 | ||
482 | field_ptr = native_bt.field_structure_borrow_member_field_by_index(self._ptr, index) | |
483 | assert field_ptr is not None | |
484 | return _create_field_from_ptr(field_ptr, self._owner_ptr, | |
485 | self._owner_get_ref, | |
486 | self._owner_put_ref) | |
487 | ||
488 | ||
489 | class _VariantField(_ContainerField, _Field): | |
490 | _NAME = 'Variant' | |
81447b5b PP |
491 | |
492 | @property | |
4470d3a6 SM |
493 | def selected_option_index(self): |
494 | return native_bt.field_variant_get_selected_option_field_index(self._ptr) | |
81447b5b | 495 | |
4470d3a6 SM |
496 | @selected_option_index.setter |
497 | def selected_option_index(self, index): | |
498 | native_bt.field_variant_select_option_field(self._ptr, index) | |
f6a5e476 | 499 | |
4470d3a6 SM |
500 | @property |
501 | def selected_option(self): | |
502 | field_ptr = native_bt.field_variant_borrow_selected_option_field(self._ptr) | |
503 | utils._handle_ptr(field_ptr, "cannot get variant field's selected option") | |
81447b5b | 504 | |
4470d3a6 SM |
505 | return _create_field_from_ptr(field_ptr, self._owner_ptr, |
506 | self._owner_get_ref, | |
507 | self._owner_put_ref) | |
81447b5b | 508 | |
80d037bc | 509 | def _spec_eq(self, other): |
4470d3a6 SM |
510 | new_self = _get_leaf_field(self) |
511 | return new_self == other | |
f6a5e476 PP |
512 | |
513 | def __bool__(self): | |
4470d3a6 | 514 | raise NotImplementedError |
81447b5b | 515 | |
dc78ca2f | 516 | def __str__(self): |
4470d3a6 | 517 | return str(self.selected_option) |
dc78ca2f JG |
518 | |
519 | def _repr(self): | |
4470d3a6 | 520 | return repr(self.selected_option) |
80d037bc JG |
521 | |
522 | def _set_value(self, value): | |
4470d3a6 | 523 | self.selected_option.value = value |
80d037bc JG |
524 | |
525 | value = property(fset=_set_value) | |
81447b5b | 526 | |
5c8b3186 | 527 | |
63631002 | 528 | class _ArrayField(_ContainerField, _Field, collections.abc.MutableSequence): |
4470d3a6 SM |
529 | def _get_length(self): |
530 | return native_bt.field_array_get_length(self._ptr) | |
531 | ||
532 | length = property(fget=_get_length) | |
533 | ||
81447b5b PP |
534 | def __getitem__(self, index): |
535 | if not isinstance(index, numbers.Integral): | |
536 | raise TypeError("'{}' is not an integral number object: invalid index".format(index.__class__.__name__)) | |
537 | ||
538 | index = int(index) | |
539 | ||
540 | if index < 0 or index >= len(self): | |
541 | raise IndexError('{} field object index is out of range'.format(self._NAME)) | |
542 | ||
4470d3a6 | 543 | field_ptr = native_bt.field_array_borrow_element_field_by_index(self._ptr, index) |
f6a5e476 | 544 | assert(field_ptr) |
4470d3a6 SM |
545 | return _create_field_from_ptr(field_ptr, self._owner_ptr, |
546 | self._owner_get_ref, | |
547 | self._owner_put_ref) | |
81447b5b PP |
548 | |
549 | def __setitem__(self, index, value): | |
550 | # we can only set numbers and strings | |
551 | if not isinstance(value, (numbers.Number, _StringField, str)): | |
552 | raise TypeError('expecting number or string object') | |
553 | ||
554 | # raises if index is somehow invalid | |
555 | field = self[index] | |
556 | ||
557 | if not isinstance(field, (_NumericField, _StringField)): | |
558 | raise TypeError('can only set the value of a number or string field') | |
559 | ||
560 | # the field's property does the appropriate conversion or raises | |
561 | # the appropriate exception | |
562 | field.value = value | |
563 | ||
564 | def insert(self, index, value): | |
565 | raise NotImplementedError | |
566 | ||
80d037bc JG |
567 | def _spec_eq(self, other): |
568 | try: | |
569 | if len(self) != len(other): | |
81447b5b PP |
570 | return False |
571 | ||
80d037bc JG |
572 | for self_field, other_field in zip(self, other): |
573 | if self_field != other_field: | |
574 | return False | |
d5697082 | 575 | |
80d037bc | 576 | return True |
4470d3a6 | 577 | except Exception: |
80d037bc | 578 | return False |
d5697082 | 579 | |
dc78ca2f | 580 | def _repr(self): |
7e06e400 JG |
581 | return '[{}]'.format(', '.join([repr(v) for v in self])) |
582 | ||
81447b5b | 583 | |
4470d3a6 SM |
584 | class _StaticArrayField(_ArrayField, _Field): |
585 | _NAME = 'Static array' | |
81447b5b PP |
586 | |
587 | def _count(self): | |
4470d3a6 | 588 | return native_bt.field_array_get_length(self._ptr) |
81447b5b | 589 | |
80d037bc JG |
590 | def _set_value(self, values): |
591 | if len(self) != len(values): | |
592 | raise ValueError( | |
593 | 'expected length of value and array field to match') | |
594 | ||
4470d3a6 SM |
595 | for index, value in enumerate(values): |
596 | if value is not None: | |
597 | self[index].value = value | |
80d037bc JG |
598 | |
599 | value = property(fset=_set_value) | |
600 | ||
81447b5b | 601 | |
4470d3a6 SM |
602 | class _DynamicArrayField(_ArrayField, _Field): |
603 | _NAME = 'Dynamic array' | |
81447b5b PP |
604 | |
605 | def _count(self): | |
4470d3a6 | 606 | return self.length |
81447b5b | 607 | |
4470d3a6 SM |
608 | def _set_length(self, length): |
609 | utils._check_uint64(length) | |
610 | ret = native_bt.field_dynamic_array_set_length(self._ptr, length) | |
611 | utils._handle_ret(ret, "cannot set dynamic array length") | |
81447b5b | 612 | |
4470d3a6 | 613 | length = property(fget=_ArrayField._get_length, fset=_set_length) |
81447b5b | 614 | |
80d037bc | 615 | def _set_value(self, values): |
4470d3a6 SM |
616 | if len(values) != self.length: |
617 | self.length = len(values) | |
80d037bc | 618 | |
4470d3a6 SM |
619 | for index, value in enumerate(values): |
620 | if value is not None: | |
621 | self[index].value = value | |
80d037bc JG |
622 | |
623 | value = property(fset=_set_value) | |
81447b5b | 624 | |
5c8b3186 | 625 | |
81447b5b | 626 | _TYPE_ID_TO_OBJ = { |
27d97a3f SM |
627 | native_bt.FIELD_CLASS_TYPE_UNSIGNED_INTEGER: _UnsignedIntegerField, |
628 | native_bt.FIELD_CLASS_TYPE_SIGNED_INTEGER: _SignedIntegerField, | |
629 | native_bt.FIELD_CLASS_TYPE_REAL: _RealField, | |
4470d3a6 SM |
630 | native_bt.FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION: _UnsignedEnumerationField, |
631 | native_bt.FIELD_CLASS_TYPE_SIGNED_ENUMERATION: _SignedEnumerationField, | |
27d97a3f SM |
632 | native_bt.FIELD_CLASS_TYPE_STRING: _StringField, |
633 | native_bt.FIELD_CLASS_TYPE_STRUCTURE: _StructureField, | |
4470d3a6 SM |
634 | native_bt.FIELD_CLASS_TYPE_STATIC_ARRAY: _StaticArrayField, |
635 | native_bt.FIELD_CLASS_TYPE_DYNAMIC_ARRAY: _DynamicArrayField, | |
636 | native_bt.FIELD_CLASS_TYPE_VARIANT: _VariantField, | |
81447b5b | 637 | } |