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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): | |
0bde7b52 | 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 | ||
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): |
0bde7b52 PP |
105 | try: |
106 | return self._value == self._extract_value(other) | |
107 | except: | |
108 | return False | |
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 | 169 | |
81447b5b PP |
170 | |
171 | class _IntegralField(_NumericField, numbers.Integral): | |
172 | def __lshift__(self, other): | |
80d037bc | 173 | return self._value << self._extract_value(other) |
81447b5b PP |
174 | |
175 | def __rlshift__(self, other): | |
80d037bc | 176 | return self._extract_value(other) << self._value |
81447b5b PP |
177 | |
178 | def __rshift__(self, other): | |
80d037bc | 179 | return self._value >> self._extract_value(other) |
81447b5b PP |
180 | |
181 | def __rrshift__(self, other): | |
80d037bc | 182 | return self._extract_value(other) >> self._value |
81447b5b PP |
183 | |
184 | def __and__(self, other): | |
80d037bc | 185 | return self._value & self._extract_value(other) |
81447b5b PP |
186 | |
187 | def __rand__(self, other): | |
80d037bc | 188 | return self._extract_value(other) & self._value |
81447b5b PP |
189 | |
190 | def __xor__(self, other): | |
80d037bc | 191 | return self._value ^ self._extract_value(other) |
81447b5b PP |
192 | |
193 | def __rxor__(self, other): | |
80d037bc | 194 | return self._extract_value(other) ^ self._value |
81447b5b PP |
195 | |
196 | def __or__(self, other): | |
80d037bc | 197 | return self._value | self._extract_value(other) |
81447b5b PP |
198 | |
199 | def __ror__(self, other): | |
80d037bc | 200 | return self._extract_value(other) | self._value |
81447b5b PP |
201 | |
202 | def __invert__(self): | |
80d037bc | 203 | return ~self._value |
81447b5b | 204 | |
81447b5b | 205 | |
27d97a3f | 206 | class _IntegerField(_IntegralField, _Field): |
81447b5b PP |
207 | pass |
208 | ||
209 | ||
27d97a3f SM |
210 | class _UnsignedIntegerField(_IntegerField, _Field): |
211 | _NAME = 'Unsigned integer' | |
4470d3a6 | 212 | |
81447b5b PP |
213 | def _value_to_int(self, value): |
214 | if not isinstance(value, numbers.Real): | |
215 | raise TypeError('expecting a real number object') | |
216 | ||
217 | value = int(value) | |
27d97a3f | 218 | utils._check_uint64(value) |
81447b5b PP |
219 | |
220 | return value | |
221 | ||
222 | @property | |
80d037bc | 223 | def _value(self): |
27d97a3f | 224 | return native_bt.field_unsigned_integer_get_value(self._ptr) |
81447b5b | 225 | |
27d97a3f SM |
226 | def _set_value(self, value): |
227 | value = self._value_to_int(value) | |
228 | native_bt.field_unsigned_integer_set_value(self._ptr, value) | |
229 | ||
230 | value = property(fset=_set_value) | |
231 | ||
232 | ||
233 | class _SignedIntegerField(_IntegerField, _Field): | |
234 | _NAME = 'Signed integer' | |
4470d3a6 | 235 | |
27d97a3f SM |
236 | def _value_to_int(self, value): |
237 | if not isinstance(value, numbers.Real): | |
238 | raise TypeError('expecting a real number object') | |
80d037bc | 239 | |
27d97a3f SM |
240 | value = int(value) |
241 | utils._check_int64(value) | |
f6a5e476 | 242 | |
81447b5b PP |
243 | return value |
244 | ||
27d97a3f SM |
245 | @property |
246 | def _value(self): | |
247 | return native_bt.field_signed_integer_get_value(self._ptr) | |
248 | ||
80d037bc | 249 | def _set_value(self, value): |
81447b5b | 250 | value = self._value_to_int(value) |
27d97a3f | 251 | native_bt.field_signed_integer_set_value(self._ptr, value) |
81447b5b | 252 | |
80d037bc | 253 | value = property(fset=_set_value) |
81447b5b | 254 | |
5c8b3186 | 255 | |
27d97a3f SM |
256 | class _RealField(_NumericField, numbers.Real): |
257 | _NAME = 'Real' | |
81447b5b PP |
258 | |
259 | def _value_to_float(self, value): | |
260 | if not isinstance(value, numbers.Real): | |
261 | raise TypeError("expecting a real number object") | |
262 | ||
263 | return float(value) | |
264 | ||
265 | @property | |
80d037bc | 266 | def _value(self): |
27d97a3f | 267 | return native_bt.field_real_get_value(self._ptr) |
81447b5b | 268 | |
80d037bc | 269 | def _set_value(self, value): |
81447b5b | 270 | value = self._value_to_float(value) |
27d97a3f | 271 | native_bt.field_real_set_value(self._ptr, value) |
81447b5b | 272 | |
80d037bc | 273 | value = property(fset=_set_value) |
81447b5b | 274 | |
5c8b3186 | 275 | |
81447b5b | 276 | class _EnumerationField(_IntegerField): |
4470d3a6 SM |
277 | def _repr(self): |
278 | return '{} ({})'.format(self._value, ', '.join(self.labels)) | |
81447b5b PP |
279 | |
280 | @property | |
4470d3a6 SM |
281 | def labels(self): |
282 | ret, labels = self._get_mapping_labels(self._ptr) | |
283 | utils._handle_ret(ret, "cannot get label for enumeration field") | |
81447b5b | 284 | |
4470d3a6 SM |
285 | assert labels is not None |
286 | return labels | |
81447b5b | 287 | |
a310d6bd | 288 | |
4470d3a6 SM |
289 | class _UnsignedEnumerationField(_EnumerationField, _UnsignedIntegerField): |
290 | _NAME = 'Unsigned Enumeration' | |
291 | _get_mapping_labels = staticmethod(native_bt.field_unsigned_enumeration_get_mapping_labels) | |
80d037bc | 292 | |
80d037bc | 293 | |
4470d3a6 SM |
294 | class _SignedEnumerationField(_EnumerationField, _SignedIntegerField): |
295 | _NAME = 'Signed Enumeration' | |
296 | _get_mapping_labels = staticmethod(native_bt.field_signed_enumeration_get_mapping_labels) | |
81447b5b PP |
297 | |
298 | ||
299 | @functools.total_ordering | |
4470d3a6 | 300 | class _StringField(_Field): |
81447b5b PP |
301 | _NAME = 'String' |
302 | ||
303 | def _value_to_str(self, value): | |
304 | if isinstance(value, self.__class__): | |
80d037bc | 305 | value = value._value |
81447b5b PP |
306 | |
307 | if not isinstance(value, str): | |
308 | raise TypeError("expecting a 'str' object") | |
309 | ||
310 | return value | |
311 | ||
312 | @property | |
80d037bc | 313 | def _value(self): |
4470d3a6 | 314 | return native_bt.field_string_get_value(self._ptr) |
81447b5b | 315 | |
80d037bc | 316 | def _set_value(self, value): |
81447b5b | 317 | value = self._value_to_str(value) |
4470d3a6 | 318 | native_bt.field_string_set_value(self._ptr, value) |
81447b5b | 319 | |
80d037bc JG |
320 | value = property(fset=_set_value) |
321 | ||
322 | def _spec_eq(self, other): | |
81447b5b | 323 | try: |
0bde7b52 PP |
324 | return self._value == self._value_to_str(other) |
325 | except: | |
81447b5b PP |
326 | return False |
327 | ||
81447b5b | 328 | def __lt__(self, other): |
80d037bc | 329 | return self._value < self._value_to_str(other) |
81447b5b PP |
330 | |
331 | def __bool__(self): | |
80d037bc | 332 | return bool(self._value) |
81447b5b | 333 | |
dc78ca2f | 334 | def _repr(self): |
89182b7e JG |
335 | return repr(self._value) |
336 | ||
81447b5b | 337 | def __str__(self): |
4470d3a6 | 338 | return str(self._value) |
81447b5b PP |
339 | |
340 | def __getitem__(self, index): | |
80d037bc | 341 | return self._value[index] |
81447b5b PP |
342 | |
343 | def __len__(self): | |
4470d3a6 | 344 | return native_bt.field_string_get_length(self._ptr) |
81447b5b PP |
345 | |
346 | def __iadd__(self, value): | |
347 | value = self._value_to_str(value) | |
839d52a5 | 348 | ret = native_bt.field_string_append(self._ptr, value) |
81447b5b PP |
349 | utils._handle_ret(ret, "cannot append to string field object's value") |
350 | return self | |
351 | ||
352 | ||
353 | class _ContainerField(_Field): | |
354 | def __bool__(self): | |
355 | return len(self) != 0 | |
356 | ||
357 | def __len__(self): | |
358 | count = self._count() | |
4470d3a6 | 359 | assert count >= 0 |
81447b5b PP |
360 | return count |
361 | ||
362 | def __delitem__(self, index): | |
363 | raise NotImplementedError | |
364 | ||
365 | ||
366 | class _StructureField(_ContainerField, collections.abc.MutableMapping): | |
367 | _NAME = 'Structure' | |
368 | ||
369 | def _count(self): | |
32656995 | 370 | return len(self.field_class) |
81447b5b | 371 | |
81447b5b | 372 | def __setitem__(self, key, value): |
f987e50a | 373 | # raises if key is somehow invalid |
81447b5b PP |
374 | field = self[key] |
375 | ||
81447b5b PP |
376 | # the field's property does the appropriate conversion or raises |
377 | # the appropriate exception | |
378 | field.value = value | |
379 | ||
81447b5b PP |
380 | def __iter__(self): |
381 | # same name iterator | |
32656995 | 382 | return iter(self.field_class) |
81447b5b | 383 | |
80d037bc | 384 | def _spec_eq(self, other): |
0bde7b52 PP |
385 | if not isinstance(other, collections.abc.Mapping): |
386 | return False | |
81447b5b | 387 | |
0bde7b52 PP |
388 | if len(self) != len(other): |
389 | # early mismatch | |
390 | return False | |
81447b5b | 391 | |
0bde7b52 PP |
392 | for self_key in self: |
393 | if self_key not in other: | |
394 | return False | |
81447b5b | 395 | |
0bde7b52 PP |
396 | if self[self_key] != other[self_key]: |
397 | return False | |
80d037bc | 398 | |
0bde7b52 | 399 | return True |
81447b5b | 400 | |
80d037bc | 401 | def _set_value(self, values): |
80d037bc JG |
402 | try: |
403 | for key, value in values.items(): | |
404 | self[key].value = value | |
4470d3a6 | 405 | except Exception: |
80d037bc | 406 | raise |
d5697082 | 407 | |
80d037bc | 408 | value = property(fset=_set_value) |
81447b5b | 409 | |
dc78ca2f | 410 | def _repr(self): |
797f4a78 JG |
411 | items = ['{}: {}'.format(repr(k), repr(v)) for k, v in self.items()] |
412 | return '{{{}}}'.format(', '.join(items)) | |
413 | ||
4470d3a6 SM |
414 | def __getitem__(self, key): |
415 | utils._check_str(key) | |
416 | field_ptr = native_bt.field_structure_borrow_member_field_by_name(self._ptr, key) | |
5c8b3186 | 417 | |
4470d3a6 SM |
418 | if field_ptr is None: |
419 | raise KeyError(key) | |
81447b5b | 420 | |
4470d3a6 SM |
421 | return _create_field_from_ptr(field_ptr, self._owner_ptr, |
422 | self._owner_get_ref, | |
423 | self._owner_put_ref) | |
f6a5e476 | 424 | |
4470d3a6 SM |
425 | def member_at_index(self, index): |
426 | utils._check_uint64(index) | |
f6a5e476 | 427 | |
4470d3a6 SM |
428 | if index >= len(self): |
429 | raise IndexError | |
430 | ||
431 | field_ptr = native_bt.field_structure_borrow_member_field_by_index(self._ptr, index) | |
432 | assert field_ptr is not None | |
433 | return _create_field_from_ptr(field_ptr, self._owner_ptr, | |
434 | self._owner_get_ref, | |
435 | self._owner_put_ref) | |
436 | ||
437 | ||
438 | class _VariantField(_ContainerField, _Field): | |
439 | _NAME = 'Variant' | |
81447b5b PP |
440 | |
441 | @property | |
4470d3a6 SM |
442 | def selected_option_index(self): |
443 | return native_bt.field_variant_get_selected_option_field_index(self._ptr) | |
81447b5b | 444 | |
4470d3a6 SM |
445 | @selected_option_index.setter |
446 | def selected_option_index(self, index): | |
447 | native_bt.field_variant_select_option_field(self._ptr, index) | |
f6a5e476 | 448 | |
4470d3a6 SM |
449 | @property |
450 | def selected_option(self): | |
451 | field_ptr = native_bt.field_variant_borrow_selected_option_field(self._ptr) | |
452 | utils._handle_ptr(field_ptr, "cannot get variant field's selected option") | |
81447b5b | 453 | |
4470d3a6 SM |
454 | return _create_field_from_ptr(field_ptr, self._owner_ptr, |
455 | self._owner_get_ref, | |
456 | self._owner_put_ref) | |
81447b5b | 457 | |
80d037bc | 458 | def _spec_eq(self, other): |
0bde7b52 | 459 | return _get_leaf_field(self) == other |
f6a5e476 PP |
460 | |
461 | def __bool__(self): | |
4470d3a6 | 462 | raise NotImplementedError |
81447b5b | 463 | |
dc78ca2f | 464 | def __str__(self): |
4470d3a6 | 465 | return str(self.selected_option) |
dc78ca2f JG |
466 | |
467 | def _repr(self): | |
4470d3a6 | 468 | return repr(self.selected_option) |
80d037bc JG |
469 | |
470 | def _set_value(self, value): | |
4470d3a6 | 471 | self.selected_option.value = value |
80d037bc JG |
472 | |
473 | value = property(fset=_set_value) | |
81447b5b | 474 | |
5c8b3186 | 475 | |
63631002 | 476 | class _ArrayField(_ContainerField, _Field, collections.abc.MutableSequence): |
4470d3a6 SM |
477 | def _get_length(self): |
478 | return native_bt.field_array_get_length(self._ptr) | |
479 | ||
480 | length = property(fget=_get_length) | |
481 | ||
81447b5b PP |
482 | def __getitem__(self, index): |
483 | if not isinstance(index, numbers.Integral): | |
484 | raise TypeError("'{}' is not an integral number object: invalid index".format(index.__class__.__name__)) | |
485 | ||
486 | index = int(index) | |
487 | ||
488 | if index < 0 or index >= len(self): | |
489 | raise IndexError('{} field object index is out of range'.format(self._NAME)) | |
490 | ||
4470d3a6 | 491 | field_ptr = native_bt.field_array_borrow_element_field_by_index(self._ptr, index) |
f6a5e476 | 492 | assert(field_ptr) |
4470d3a6 SM |
493 | return _create_field_from_ptr(field_ptr, self._owner_ptr, |
494 | self._owner_get_ref, | |
495 | self._owner_put_ref) | |
81447b5b PP |
496 | |
497 | def __setitem__(self, index, value): | |
498 | # we can only set numbers and strings | |
499 | if not isinstance(value, (numbers.Number, _StringField, str)): | |
500 | raise TypeError('expecting number or string object') | |
501 | ||
502 | # raises if index is somehow invalid | |
503 | field = self[index] | |
504 | ||
505 | if not isinstance(field, (_NumericField, _StringField)): | |
506 | raise TypeError('can only set the value of a number or string field') | |
507 | ||
508 | # the field's property does the appropriate conversion or raises | |
509 | # the appropriate exception | |
510 | field.value = value | |
511 | ||
512 | def insert(self, index, value): | |
513 | raise NotImplementedError | |
514 | ||
80d037bc | 515 | def _spec_eq(self, other): |
0bde7b52 PP |
516 | if not isinstance(other, collections.abc.Sequence): |
517 | return False | |
d5697082 | 518 | |
0bde7b52 PP |
519 | if len(self) != len(other): |
520 | # early mismatch | |
80d037bc | 521 | return False |
d5697082 | 522 | |
0bde7b52 PP |
523 | for self_elem, other_elem in zip(self, other): |
524 | if self_elem != other_elem: | |
525 | return False | |
526 | ||
527 | return True | |
528 | ||
dc78ca2f | 529 | def _repr(self): |
7e06e400 JG |
530 | return '[{}]'.format(', '.join([repr(v) for v in self])) |
531 | ||
81447b5b | 532 | |
4470d3a6 SM |
533 | class _StaticArrayField(_ArrayField, _Field): |
534 | _NAME = 'Static array' | |
81447b5b PP |
535 | |
536 | def _count(self): | |
4470d3a6 | 537 | return native_bt.field_array_get_length(self._ptr) |
81447b5b | 538 | |
80d037bc JG |
539 | def _set_value(self, values): |
540 | if len(self) != len(values): | |
541 | raise ValueError( | |
542 | 'expected length of value and array field to match') | |
543 | ||
4470d3a6 SM |
544 | for index, value in enumerate(values): |
545 | if value is not None: | |
546 | self[index].value = value | |
80d037bc JG |
547 | |
548 | value = property(fset=_set_value) | |
549 | ||
81447b5b | 550 | |
4470d3a6 SM |
551 | class _DynamicArrayField(_ArrayField, _Field): |
552 | _NAME = 'Dynamic array' | |
81447b5b PP |
553 | |
554 | def _count(self): | |
4470d3a6 | 555 | return self.length |
81447b5b | 556 | |
4470d3a6 SM |
557 | def _set_length(self, length): |
558 | utils._check_uint64(length) | |
559 | ret = native_bt.field_dynamic_array_set_length(self._ptr, length) | |
560 | utils._handle_ret(ret, "cannot set dynamic array length") | |
81447b5b | 561 | |
4470d3a6 | 562 | length = property(fget=_ArrayField._get_length, fset=_set_length) |
81447b5b | 563 | |
80d037bc | 564 | def _set_value(self, values): |
4470d3a6 SM |
565 | if len(values) != self.length: |
566 | self.length = len(values) | |
80d037bc | 567 | |
4470d3a6 SM |
568 | for index, value in enumerate(values): |
569 | if value is not None: | |
570 | self[index].value = value | |
80d037bc JG |
571 | |
572 | value = property(fset=_set_value) | |
81447b5b | 573 | |
5c8b3186 | 574 | |
81447b5b | 575 | _TYPE_ID_TO_OBJ = { |
27d97a3f SM |
576 | native_bt.FIELD_CLASS_TYPE_UNSIGNED_INTEGER: _UnsignedIntegerField, |
577 | native_bt.FIELD_CLASS_TYPE_SIGNED_INTEGER: _SignedIntegerField, | |
578 | native_bt.FIELD_CLASS_TYPE_REAL: _RealField, | |
4470d3a6 SM |
579 | native_bt.FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION: _UnsignedEnumerationField, |
580 | native_bt.FIELD_CLASS_TYPE_SIGNED_ENUMERATION: _SignedEnumerationField, | |
27d97a3f SM |
581 | native_bt.FIELD_CLASS_TYPE_STRING: _StringField, |
582 | native_bt.FIELD_CLASS_TYPE_STRUCTURE: _StructureField, | |
4470d3a6 SM |
583 | native_bt.FIELD_CLASS_TYPE_STATIC_ARRAY: _StaticArrayField, |
584 | native_bt.FIELD_CLASS_TYPE_DYNAMIC_ARRAY: _DynamicArrayField, | |
585 | native_bt.FIELD_CLASS_TYPE_VARIANT: _VariantField, | |
81447b5b | 586 | } |