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81447b5b PP |
1 | # The MIT License (MIT) |
2 | # | |
811644b8 | 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 | |
3fb99a22 | 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 | |
30 | ||
2ae9f48c SM |
31 | def _create_field_from_ptr(ptr, owner_ptr, owner_get_ref, owner_put_ref): |
32 | field_class_ptr = native_bt.field_borrow_class_const(ptr) | |
2ae9f48c SM |
33 | typeid = native_bt.field_class_get_type(field_class_ptr) |
34 | field = _TYPE_ID_TO_OBJ[typeid]._create_from_ptr_and_get_ref( | |
cfbd7cf3 FD |
35 | ptr, owner_ptr, owner_get_ref, owner_put_ref |
36 | ) | |
81447b5b PP |
37 | return field |
38 | ||
39 | ||
1eccc498 SM |
40 | # Get the "effective" field of `field`. If `field` is a variant, return the |
41 | # currently selected field. If `field` is of any other type, return `field` | |
42 | # directly. | |
81447b5b | 43 | |
cfbd7cf3 | 44 | |
1eccc498 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 | |
e1c6bebd | 51 | |
1eccc498 SM |
52 | class _Field(object._UniqueObject): |
53 | def __eq__(self, other): | |
e1c6bebd JG |
54 | other = _get_leaf_field(other) |
55 | return self._spec_eq(other) | |
56 | ||
81447b5b | 57 | @property |
b4f45851 | 58 | def field_class(self): |
838a5a52 SM |
59 | field_class_ptr = native_bt.field_borrow_class_const(self._ptr) |
60 | assert field_class_ptr is not None | |
3fb99a22 | 61 | return bt2_field_class._create_field_class_from_ptr_and_get_ref(field_class_ptr) |
81447b5b | 62 | |
12bf0d88 JG |
63 | def _repr(self): |
64 | raise NotImplementedError | |
65 | ||
66 | def __repr__(self): | |
1eccc498 | 67 | return self._repr() |
12bf0d88 | 68 | |
81447b5b PP |
69 | |
70 | @functools.total_ordering | |
71 | class _NumericField(_Field): | |
72 | @staticmethod | |
73 | def _extract_value(other): | |
f11ed062 | 74 | if isinstance(other, bool): |
81447b5b PP |
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 | ||
cfbd7cf3 FD |
86 | raise TypeError( |
87 | "'{}' object is not a number object".format(other.__class__.__name__) | |
88 | ) | |
81447b5b PP |
89 | |
90 | def __int__(self): | |
e1c6bebd | 91 | return int(self._value) |
81447b5b PP |
92 | |
93 | def __float__(self): | |
e1c6bebd | 94 | return float(self._value) |
81447b5b | 95 | |
12bf0d88 | 96 | def _repr(self): |
5abb9e33 | 97 | return repr(self._value) |
81447b5b PP |
98 | |
99 | def __lt__(self, other): | |
100 | if not isinstance(other, numbers.Number): | |
cfbd7cf3 FD |
101 | raise TypeError( |
102 | 'unorderable types: {}() < {}()'.format( | |
103 | self.__class__.__name__, other.__class__.__name__ | |
104 | ) | |
105 | ) | |
81447b5b | 106 | |
09a926c1 | 107 | return self._value < self._extract_value(other) |
81447b5b | 108 | |
e1c6bebd | 109 | def _spec_eq(self, other): |
f11ed062 PP |
110 | try: |
111 | return self._value == self._extract_value(other) | |
112 | except: | |
113 | return False | |
81447b5b PP |
114 | |
115 | def __rmod__(self, other): | |
e1c6bebd | 116 | return self._extract_value(other) % self._value |
81447b5b PP |
117 | |
118 | def __mod__(self, other): | |
e1c6bebd | 119 | return self._value % self._extract_value(other) |
81447b5b PP |
120 | |
121 | def __rfloordiv__(self, other): | |
e1c6bebd | 122 | return self._extract_value(other) // self._value |
81447b5b PP |
123 | |
124 | def __floordiv__(self, other): | |
e1c6bebd | 125 | return self._value // self._extract_value(other) |
81447b5b PP |
126 | |
127 | def __round__(self, ndigits=None): | |
128 | if ndigits is None: | |
e1c6bebd | 129 | return round(self._value) |
81447b5b | 130 | else: |
e1c6bebd | 131 | return round(self._value, ndigits) |
81447b5b PP |
132 | |
133 | def __ceil__(self): | |
e1c6bebd | 134 | return math.ceil(self._value) |
81447b5b PP |
135 | |
136 | def __floor__(self): | |
e1c6bebd | 137 | return math.floor(self._value) |
81447b5b PP |
138 | |
139 | def __trunc__(self): | |
e1c6bebd | 140 | return int(self._value) |
81447b5b PP |
141 | |
142 | def __abs__(self): | |
e1c6bebd | 143 | return abs(self._value) |
81447b5b PP |
144 | |
145 | def __add__(self, other): | |
e1c6bebd | 146 | return self._value + self._extract_value(other) |
81447b5b PP |
147 | |
148 | def __radd__(self, other): | |
149 | return self.__add__(other) | |
150 | ||
151 | def __neg__(self): | |
e1c6bebd | 152 | return -self._value |
81447b5b PP |
153 | |
154 | def __pos__(self): | |
e1c6bebd | 155 | return +self._value |
81447b5b PP |
156 | |
157 | def __mul__(self, other): | |
e1c6bebd | 158 | return self._value * self._extract_value(other) |
81447b5b PP |
159 | |
160 | def __rmul__(self, other): | |
161 | return self.__mul__(other) | |
162 | ||
163 | def __truediv__(self, other): | |
e1c6bebd | 164 | return self._value / self._extract_value(other) |
81447b5b PP |
165 | |
166 | def __rtruediv__(self, other): | |
e1c6bebd | 167 | return self._extract_value(other) / self._value |
81447b5b PP |
168 | |
169 | def __pow__(self, exponent): | |
e1c6bebd | 170 | return self._value ** self._extract_value(exponent) |
81447b5b PP |
171 | |
172 | def __rpow__(self, base): | |
e1c6bebd | 173 | return self._extract_value(base) ** self._value |
81447b5b | 174 | |
81447b5b PP |
175 | |
176 | class _IntegralField(_NumericField, numbers.Integral): | |
177 | def __lshift__(self, other): | |
e1c6bebd | 178 | return self._value << self._extract_value(other) |
81447b5b PP |
179 | |
180 | def __rlshift__(self, other): | |
e1c6bebd | 181 | return self._extract_value(other) << self._value |
81447b5b PP |
182 | |
183 | def __rshift__(self, other): | |
e1c6bebd | 184 | return self._value >> self._extract_value(other) |
81447b5b PP |
185 | |
186 | def __rrshift__(self, other): | |
e1c6bebd | 187 | return self._extract_value(other) >> self._value |
81447b5b PP |
188 | |
189 | def __and__(self, other): | |
e1c6bebd | 190 | return self._value & self._extract_value(other) |
81447b5b PP |
191 | |
192 | def __rand__(self, other): | |
e1c6bebd | 193 | return self._extract_value(other) & self._value |
81447b5b PP |
194 | |
195 | def __xor__(self, other): | |
e1c6bebd | 196 | return self._value ^ self._extract_value(other) |
81447b5b PP |
197 | |
198 | def __rxor__(self, other): | |
e1c6bebd | 199 | return self._extract_value(other) ^ self._value |
81447b5b PP |
200 | |
201 | def __or__(self, other): | |
e1c6bebd | 202 | return self._value | self._extract_value(other) |
81447b5b PP |
203 | |
204 | def __ror__(self, other): | |
e1c6bebd | 205 | return self._extract_value(other) | self._value |
81447b5b PP |
206 | |
207 | def __invert__(self): | |
e1c6bebd | 208 | return ~self._value |
81447b5b | 209 | |
81447b5b | 210 | |
2ae9f48c | 211 | class _IntegerField(_IntegralField, _Field): |
81447b5b PP |
212 | pass |
213 | ||
214 | ||
2ae9f48c SM |
215 | class _UnsignedIntegerField(_IntegerField, _Field): |
216 | _NAME = 'Unsigned integer' | |
1eccc498 | 217 | |
81447b5b | 218 | def _value_to_int(self, value): |
25bb9bab PP |
219 | if not isinstance(value, numbers.Integral): |
220 | raise TypeError('expecting an integral number object') | |
81447b5b PP |
221 | |
222 | value = int(value) | |
2ae9f48c | 223 | utils._check_uint64(value) |
81447b5b PP |
224 | |
225 | return value | |
226 | ||
227 | @property | |
e1c6bebd | 228 | def _value(self): |
9c08c816 | 229 | return native_bt.field_integer_unsigned_get_value(self._ptr) |
81447b5b | 230 | |
2ae9f48c SM |
231 | def _set_value(self, value): |
232 | value = self._value_to_int(value) | |
9c08c816 | 233 | native_bt.field_integer_unsigned_set_value(self._ptr, value) |
2ae9f48c SM |
234 | |
235 | value = property(fset=_set_value) | |
236 | ||
237 | ||
238 | class _SignedIntegerField(_IntegerField, _Field): | |
239 | _NAME = 'Signed integer' | |
1eccc498 | 240 | |
2ae9f48c | 241 | def _value_to_int(self, value): |
25bb9bab PP |
242 | if not isinstance(value, numbers.Integral): |
243 | raise TypeError('expecting an integral number object') | |
e1c6bebd | 244 | |
2ae9f48c SM |
245 | value = int(value) |
246 | utils._check_int64(value) | |
811644b8 | 247 | |
81447b5b PP |
248 | return value |
249 | ||
2ae9f48c SM |
250 | @property |
251 | def _value(self): | |
9c08c816 | 252 | return native_bt.field_integer_signed_get_value(self._ptr) |
2ae9f48c | 253 | |
e1c6bebd | 254 | def _set_value(self, value): |
81447b5b | 255 | value = self._value_to_int(value) |
9c08c816 | 256 | native_bt.field_integer_signed_set_value(self._ptr, value) |
81447b5b | 257 | |
e1c6bebd | 258 | value = property(fset=_set_value) |
81447b5b | 259 | |
0b03f63e | 260 | |
2ae9f48c SM |
261 | class _RealField(_NumericField, numbers.Real): |
262 | _NAME = 'Real' | |
81447b5b PP |
263 | |
264 | def _value_to_float(self, value): | |
265 | if not isinstance(value, numbers.Real): | |
266 | raise TypeError("expecting a real number object") | |
267 | ||
268 | return float(value) | |
269 | ||
270 | @property | |
e1c6bebd | 271 | def _value(self): |
2ae9f48c | 272 | return native_bt.field_real_get_value(self._ptr) |
81447b5b | 273 | |
e1c6bebd | 274 | def _set_value(self, value): |
81447b5b | 275 | value = self._value_to_float(value) |
2ae9f48c | 276 | native_bt.field_real_set_value(self._ptr, value) |
81447b5b | 277 | |
e1c6bebd | 278 | value = property(fset=_set_value) |
81447b5b | 279 | |
0b03f63e | 280 | |
81447b5b | 281 | class _EnumerationField(_IntegerField): |
1eccc498 SM |
282 | def _repr(self): |
283 | return '{} ({})'.format(self._value, ', '.join(self.labels)) | |
81447b5b PP |
284 | |
285 | @property | |
1eccc498 | 286 | def labels(self): |
d24d5663 | 287 | status, labels = self._get_mapping_labels(self._ptr) |
cfbd7cf3 | 288 | utils._handle_func_status(status, "cannot get label for enumeration field") |
81447b5b | 289 | |
1eccc498 SM |
290 | assert labels is not None |
291 | return labels | |
81447b5b | 292 | |
4addd228 | 293 | |
1eccc498 SM |
294 | class _UnsignedEnumerationField(_EnumerationField, _UnsignedIntegerField): |
295 | _NAME = 'Unsigned Enumeration' | |
cfbd7cf3 | 296 | _get_mapping_labels = staticmethod( |
9c08c816 | 297 | native_bt.field_enumeration_unsigned_get_mapping_labels |
cfbd7cf3 | 298 | ) |
e1c6bebd | 299 | |
e1c6bebd | 300 | |
1eccc498 SM |
301 | class _SignedEnumerationField(_EnumerationField, _SignedIntegerField): |
302 | _NAME = 'Signed Enumeration' | |
cfbd7cf3 | 303 | _get_mapping_labels = staticmethod( |
9c08c816 | 304 | native_bt.field_enumeration_signed_get_mapping_labels |
cfbd7cf3 | 305 | ) |
81447b5b PP |
306 | |
307 | ||
308 | @functools.total_ordering | |
1eccc498 | 309 | class _StringField(_Field): |
81447b5b PP |
310 | _NAME = 'String' |
311 | ||
312 | def _value_to_str(self, value): | |
313 | if isinstance(value, self.__class__): | |
e1c6bebd | 314 | value = value._value |
81447b5b PP |
315 | |
316 | if not isinstance(value, str): | |
317 | raise TypeError("expecting a 'str' object") | |
318 | ||
319 | return value | |
320 | ||
321 | @property | |
e1c6bebd | 322 | def _value(self): |
1eccc498 | 323 | return native_bt.field_string_get_value(self._ptr) |
81447b5b | 324 | |
e1c6bebd | 325 | def _set_value(self, value): |
81447b5b | 326 | value = self._value_to_str(value) |
1eccc498 | 327 | native_bt.field_string_set_value(self._ptr, value) |
81447b5b | 328 | |
e1c6bebd JG |
329 | value = property(fset=_set_value) |
330 | ||
331 | def _spec_eq(self, other): | |
81447b5b | 332 | try: |
f11ed062 PP |
333 | return self._value == self._value_to_str(other) |
334 | except: | |
81447b5b PP |
335 | return False |
336 | ||
81447b5b | 337 | def __lt__(self, other): |
e1c6bebd | 338 | return self._value < self._value_to_str(other) |
81447b5b PP |
339 | |
340 | def __bool__(self): | |
e1c6bebd | 341 | return bool(self._value) |
81447b5b | 342 | |
12bf0d88 | 343 | def _repr(self): |
d623d2e9 JG |
344 | return repr(self._value) |
345 | ||
81447b5b | 346 | def __str__(self): |
1eccc498 | 347 | return str(self._value) |
81447b5b PP |
348 | |
349 | def __getitem__(self, index): | |
e1c6bebd | 350 | return self._value[index] |
81447b5b PP |
351 | |
352 | def __len__(self): | |
1eccc498 | 353 | return native_bt.field_string_get_length(self._ptr) |
81447b5b PP |
354 | |
355 | def __iadd__(self, value): | |
356 | value = self._value_to_str(value) | |
d24d5663 | 357 | status = native_bt.field_string_append(self._ptr, value) |
cfbd7cf3 FD |
358 | utils._handle_func_status( |
359 | status, "cannot append to string field object's value" | |
360 | ) | |
81447b5b PP |
361 | return self |
362 | ||
363 | ||
364 | class _ContainerField(_Field): | |
365 | def __bool__(self): | |
366 | return len(self) != 0 | |
367 | ||
368 | def __len__(self): | |
369 | count = self._count() | |
1eccc498 | 370 | assert count >= 0 |
81447b5b PP |
371 | return count |
372 | ||
373 | def __delitem__(self, index): | |
374 | raise NotImplementedError | |
375 | ||
376 | ||
377 | class _StructureField(_ContainerField, collections.abc.MutableMapping): | |
378 | _NAME = 'Structure' | |
379 | ||
380 | def _count(self): | |
b4f45851 | 381 | return len(self.field_class) |
81447b5b | 382 | |
81447b5b | 383 | def __setitem__(self, key, value): |
236355c2 | 384 | # raises if key is somehow invalid |
81447b5b PP |
385 | field = self[key] |
386 | ||
81447b5b PP |
387 | # the field's property does the appropriate conversion or raises |
388 | # the appropriate exception | |
389 | field.value = value | |
390 | ||
81447b5b PP |
391 | def __iter__(self): |
392 | # same name iterator | |
b4f45851 | 393 | return iter(self.field_class) |
81447b5b | 394 | |
e1c6bebd | 395 | def _spec_eq(self, other): |
f11ed062 PP |
396 | if not isinstance(other, collections.abc.Mapping): |
397 | return False | |
81447b5b | 398 | |
f11ed062 PP |
399 | if len(self) != len(other): |
400 | # early mismatch | |
401 | return False | |
81447b5b | 402 | |
f11ed062 PP |
403 | for self_key in self: |
404 | if self_key not in other: | |
405 | return False | |
81447b5b | 406 | |
f11ed062 PP |
407 | if self[self_key] != other[self_key]: |
408 | return False | |
e1c6bebd | 409 | |
f11ed062 | 410 | return True |
81447b5b | 411 | |
e1c6bebd | 412 | def _set_value(self, values): |
e1c6bebd JG |
413 | try: |
414 | for key, value in values.items(): | |
415 | self[key].value = value | |
1eccc498 | 416 | except Exception: |
e1c6bebd | 417 | raise |
7c54e2e7 | 418 | |
e1c6bebd | 419 | value = property(fset=_set_value) |
81447b5b | 420 | |
12bf0d88 | 421 | def _repr(self): |
ac7e2dc6 JG |
422 | items = ['{}: {}'.format(repr(k), repr(v)) for k, v in self.items()] |
423 | return '{{{}}}'.format(', '.join(items)) | |
424 | ||
1eccc498 SM |
425 | def __getitem__(self, key): |
426 | utils._check_str(key) | |
cfbd7cf3 FD |
427 | field_ptr = native_bt.field_structure_borrow_member_field_by_name( |
428 | self._ptr, key | |
429 | ) | |
0b03f63e | 430 | |
1eccc498 SM |
431 | if field_ptr is None: |
432 | raise KeyError(key) | |
81447b5b | 433 | |
cfbd7cf3 FD |
434 | return _create_field_from_ptr( |
435 | field_ptr, self._owner_ptr, self._owner_get_ref, self._owner_put_ref | |
436 | ) | |
811644b8 | 437 | |
1eccc498 SM |
438 | def member_at_index(self, index): |
439 | utils._check_uint64(index) | |
811644b8 | 440 | |
1eccc498 SM |
441 | if index >= len(self): |
442 | raise IndexError | |
443 | ||
cfbd7cf3 FD |
444 | field_ptr = native_bt.field_structure_borrow_member_field_by_index( |
445 | self._ptr, index | |
446 | ) | |
1eccc498 | 447 | assert field_ptr is not None |
cfbd7cf3 FD |
448 | return _create_field_from_ptr( |
449 | field_ptr, self._owner_ptr, self._owner_get_ref, self._owner_put_ref | |
450 | ) | |
1eccc498 SM |
451 | |
452 | ||
453 | class _VariantField(_ContainerField, _Field): | |
454 | _NAME = 'Variant' | |
81447b5b PP |
455 | |
456 | @property | |
1eccc498 SM |
457 | def selected_option_index(self): |
458 | return native_bt.field_variant_get_selected_option_field_index(self._ptr) | |
81447b5b | 459 | |
1eccc498 SM |
460 | @selected_option_index.setter |
461 | def selected_option_index(self, index): | |
45c51519 | 462 | native_bt.field_variant_select_option_field_by_index(self._ptr, index) |
811644b8 | 463 | |
1eccc498 SM |
464 | @property |
465 | def selected_option(self): | |
5ae9f1bf SM |
466 | # TODO: Is there a way to check if the variant field has a selected_option, |
467 | # so we can raise an exception instead of hitting a pre-condition check? | |
468 | # If there is something, that check should be added to selected_option_index too. | |
1eccc498 | 469 | field_ptr = native_bt.field_variant_borrow_selected_option_field(self._ptr) |
81447b5b | 470 | |
cfbd7cf3 FD |
471 | return _create_field_from_ptr( |
472 | field_ptr, self._owner_ptr, self._owner_get_ref, self._owner_put_ref | |
473 | ) | |
81447b5b | 474 | |
e1c6bebd | 475 | def _spec_eq(self, other): |
f11ed062 | 476 | return _get_leaf_field(self) == other |
811644b8 PP |
477 | |
478 | def __bool__(self): | |
1eccc498 | 479 | raise NotImplementedError |
81447b5b | 480 | |
12bf0d88 | 481 | def __str__(self): |
1eccc498 | 482 | return str(self.selected_option) |
12bf0d88 JG |
483 | |
484 | def _repr(self): | |
1eccc498 | 485 | return repr(self.selected_option) |
e1c6bebd JG |
486 | |
487 | def _set_value(self, value): | |
1eccc498 | 488 | self.selected_option.value = value |
e1c6bebd JG |
489 | |
490 | value = property(fset=_set_value) | |
81447b5b | 491 | |
0b03f63e | 492 | |
c2ea62f5 | 493 | class _ArrayField(_ContainerField, _Field, collections.abc.MutableSequence): |
1eccc498 SM |
494 | def _get_length(self): |
495 | return native_bt.field_array_get_length(self._ptr) | |
496 | ||
497 | length = property(fget=_get_length) | |
498 | ||
81447b5b PP |
499 | def __getitem__(self, index): |
500 | if not isinstance(index, numbers.Integral): | |
cfbd7cf3 FD |
501 | raise TypeError( |
502 | "'{}' is not an integral number object: invalid index".format( | |
503 | index.__class__.__name__ | |
504 | ) | |
505 | ) | |
81447b5b PP |
506 | |
507 | index = int(index) | |
508 | ||
509 | if index < 0 or index >= len(self): | |
510 | raise IndexError('{} field object index is out of range'.format(self._NAME)) | |
511 | ||
cfbd7cf3 FD |
512 | field_ptr = native_bt.field_array_borrow_element_field_by_index( |
513 | self._ptr, index | |
514 | ) | |
515 | assert field_ptr | |
516 | return _create_field_from_ptr( | |
517 | field_ptr, self._owner_ptr, self._owner_get_ref, self._owner_put_ref | |
518 | ) | |
81447b5b PP |
519 | |
520 | def __setitem__(self, index, value): | |
81447b5b PP |
521 | # raises if index is somehow invalid |
522 | field = self[index] | |
523 | ||
524 | if not isinstance(field, (_NumericField, _StringField)): | |
525 | raise TypeError('can only set the value of a number or string field') | |
526 | ||
527 | # the field's property does the appropriate conversion or raises | |
528 | # the appropriate exception | |
529 | field.value = value | |
530 | ||
531 | def insert(self, index, value): | |
532 | raise NotImplementedError | |
533 | ||
e1c6bebd | 534 | def _spec_eq(self, other): |
f11ed062 PP |
535 | if not isinstance(other, collections.abc.Sequence): |
536 | return False | |
7c54e2e7 | 537 | |
f11ed062 PP |
538 | if len(self) != len(other): |
539 | # early mismatch | |
e1c6bebd | 540 | return False |
7c54e2e7 | 541 | |
f11ed062 PP |
542 | for self_elem, other_elem in zip(self, other): |
543 | if self_elem != other_elem: | |
544 | return False | |
545 | ||
546 | return True | |
547 | ||
12bf0d88 | 548 | def _repr(self): |
2bc21382 JG |
549 | return '[{}]'.format(', '.join([repr(v) for v in self])) |
550 | ||
81447b5b | 551 | |
1eccc498 SM |
552 | class _StaticArrayField(_ArrayField, _Field): |
553 | _NAME = 'Static array' | |
81447b5b PP |
554 | |
555 | def _count(self): | |
1eccc498 | 556 | return native_bt.field_array_get_length(self._ptr) |
81447b5b | 557 | |
e1c6bebd JG |
558 | def _set_value(self, values): |
559 | if len(self) != len(values): | |
cfbd7cf3 | 560 | raise ValueError('expected length of value and array field to match') |
e1c6bebd | 561 | |
1eccc498 SM |
562 | for index, value in enumerate(values): |
563 | if value is not None: | |
564 | self[index].value = value | |
e1c6bebd JG |
565 | |
566 | value = property(fset=_set_value) | |
567 | ||
81447b5b | 568 | |
1eccc498 SM |
569 | class _DynamicArrayField(_ArrayField, _Field): |
570 | _NAME = 'Dynamic array' | |
81447b5b PP |
571 | |
572 | def _count(self): | |
1eccc498 | 573 | return self.length |
81447b5b | 574 | |
1eccc498 SM |
575 | def _set_length(self, length): |
576 | utils._check_uint64(length) | |
9c08c816 | 577 | status = native_bt.field_array_dynamic_set_length(self._ptr, length) |
d24d5663 | 578 | utils._handle_func_status(status, "cannot set dynamic array length") |
81447b5b | 579 | |
1eccc498 | 580 | length = property(fget=_ArrayField._get_length, fset=_set_length) |
81447b5b | 581 | |
e1c6bebd | 582 | def _set_value(self, values): |
1eccc498 SM |
583 | if len(values) != self.length: |
584 | self.length = len(values) | |
e1c6bebd | 585 | |
1eccc498 SM |
586 | for index, value in enumerate(values): |
587 | if value is not None: | |
588 | self[index].value = value | |
e1c6bebd JG |
589 | |
590 | value = property(fset=_set_value) | |
81447b5b | 591 | |
0b03f63e | 592 | |
81447b5b | 593 | _TYPE_ID_TO_OBJ = { |
2ae9f48c SM |
594 | native_bt.FIELD_CLASS_TYPE_UNSIGNED_INTEGER: _UnsignedIntegerField, |
595 | native_bt.FIELD_CLASS_TYPE_SIGNED_INTEGER: _SignedIntegerField, | |
596 | native_bt.FIELD_CLASS_TYPE_REAL: _RealField, | |
1eccc498 SM |
597 | native_bt.FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION: _UnsignedEnumerationField, |
598 | native_bt.FIELD_CLASS_TYPE_SIGNED_ENUMERATION: _SignedEnumerationField, | |
2ae9f48c SM |
599 | native_bt.FIELD_CLASS_TYPE_STRING: _StringField, |
600 | native_bt.FIELD_CLASS_TYPE_STRUCTURE: _StructureField, | |
1eccc498 SM |
601 | native_bt.FIELD_CLASS_TYPE_STATIC_ARRAY: _StaticArrayField, |
602 | native_bt.FIELD_CLASS_TYPE_DYNAMIC_ARRAY: _DynamicArrayField, | |
45c51519 PP |
603 | native_bt.FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR: _VariantField, |
604 | native_bt.FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_SELECTOR: _VariantField, | |
605 | native_bt.FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_SELECTOR: _VariantField, | |
81447b5b | 606 | } |