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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( | |
61d96b89 FD |
37 | ptr, owner_ptr, owner_get_ref, owner_put_ref |
38 | ) | |
81447b5b PP |
39 | return field |
40 | ||
41 | ||
4470d3a6 SM |
42 | # Get the "effective" field of `field`. If `field` is a variant, return the |
43 | # currently selected field. If `field` is of any other type, return `field` | |
44 | # directly. | |
81447b5b | 45 | |
61d96b89 | 46 | |
4470d3a6 SM |
47 | def _get_leaf_field(field): |
48 | if not isinstance(field, _VariantField): | |
49 | return field | |
50 | ||
51 | return _get_leaf_field(field.selected_option) | |
81447b5b | 52 | |
80d037bc | 53 | |
4470d3a6 SM |
54 | class _Field(object._UniqueObject): |
55 | def __eq__(self, other): | |
80d037bc JG |
56 | other = _get_leaf_field(other) |
57 | return self._spec_eq(other) | |
58 | ||
81447b5b | 59 | @property |
32656995 | 60 | def field_class(self): |
e8d2391b SM |
61 | field_class_ptr = native_bt.field_borrow_class_const(self._ptr) |
62 | assert field_class_ptr is not None | |
63 | return bt2.field_class._create_field_class_from_ptr_and_get_ref(field_class_ptr) | |
81447b5b | 64 | |
dc78ca2f JG |
65 | def _repr(self): |
66 | raise NotImplementedError | |
67 | ||
68 | def __repr__(self): | |
4470d3a6 | 69 | return self._repr() |
dc78ca2f | 70 | |
81447b5b PP |
71 | |
72 | @functools.total_ordering | |
73 | class _NumericField(_Field): | |
74 | @staticmethod | |
75 | def _extract_value(other): | |
0bde7b52 | 76 | if isinstance(other, bool): |
81447b5b PP |
77 | return other |
78 | ||
79 | if isinstance(other, numbers.Integral): | |
80 | return int(other) | |
81 | ||
82 | if isinstance(other, numbers.Real): | |
83 | return float(other) | |
84 | ||
85 | if isinstance(other, numbers.Complex): | |
86 | return complex(other) | |
87 | ||
61d96b89 FD |
88 | raise TypeError( |
89 | "'{}' object is not a number object".format(other.__class__.__name__) | |
90 | ) | |
81447b5b PP |
91 | |
92 | def __int__(self): | |
80d037bc | 93 | return int(self._value) |
81447b5b PP |
94 | |
95 | def __float__(self): | |
80d037bc | 96 | return float(self._value) |
81447b5b | 97 | |
dc78ca2f | 98 | def _repr(self): |
e100fef0 | 99 | return repr(self._value) |
81447b5b PP |
100 | |
101 | def __lt__(self, other): | |
102 | if not isinstance(other, numbers.Number): | |
61d96b89 FD |
103 | raise TypeError( |
104 | 'unorderable types: {}() < {}()'.format( | |
105 | self.__class__.__name__, other.__class__.__name__ | |
106 | ) | |
107 | ) | |
81447b5b | 108 | |
5f953519 | 109 | return self._value < self._extract_value(other) |
81447b5b | 110 | |
80d037bc | 111 | def _spec_eq(self, other): |
0bde7b52 PP |
112 | try: |
113 | return self._value == self._extract_value(other) | |
114 | except: | |
115 | return False | |
81447b5b PP |
116 | |
117 | def __rmod__(self, other): | |
80d037bc | 118 | return self._extract_value(other) % self._value |
81447b5b PP |
119 | |
120 | def __mod__(self, other): | |
80d037bc | 121 | return self._value % self._extract_value(other) |
81447b5b PP |
122 | |
123 | def __rfloordiv__(self, other): | |
80d037bc | 124 | return self._extract_value(other) // self._value |
81447b5b PP |
125 | |
126 | def __floordiv__(self, other): | |
80d037bc | 127 | return self._value // self._extract_value(other) |
81447b5b PP |
128 | |
129 | def __round__(self, ndigits=None): | |
130 | if ndigits is None: | |
80d037bc | 131 | return round(self._value) |
81447b5b | 132 | else: |
80d037bc | 133 | return round(self._value, ndigits) |
81447b5b PP |
134 | |
135 | def __ceil__(self): | |
80d037bc | 136 | return math.ceil(self._value) |
81447b5b PP |
137 | |
138 | def __floor__(self): | |
80d037bc | 139 | return math.floor(self._value) |
81447b5b PP |
140 | |
141 | def __trunc__(self): | |
80d037bc | 142 | return int(self._value) |
81447b5b PP |
143 | |
144 | def __abs__(self): | |
80d037bc | 145 | return abs(self._value) |
81447b5b PP |
146 | |
147 | def __add__(self, other): | |
80d037bc | 148 | return self._value + self._extract_value(other) |
81447b5b PP |
149 | |
150 | def __radd__(self, other): | |
151 | return self.__add__(other) | |
152 | ||
153 | def __neg__(self): | |
80d037bc | 154 | return -self._value |
81447b5b PP |
155 | |
156 | def __pos__(self): | |
80d037bc | 157 | return +self._value |
81447b5b PP |
158 | |
159 | def __mul__(self, other): | |
80d037bc | 160 | return self._value * self._extract_value(other) |
81447b5b PP |
161 | |
162 | def __rmul__(self, other): | |
163 | return self.__mul__(other) | |
164 | ||
165 | def __truediv__(self, other): | |
80d037bc | 166 | return self._value / self._extract_value(other) |
81447b5b PP |
167 | |
168 | def __rtruediv__(self, other): | |
80d037bc | 169 | return self._extract_value(other) / self._value |
81447b5b PP |
170 | |
171 | def __pow__(self, exponent): | |
80d037bc | 172 | return self._value ** self._extract_value(exponent) |
81447b5b PP |
173 | |
174 | def __rpow__(self, base): | |
80d037bc | 175 | return self._extract_value(base) ** self._value |
81447b5b | 176 | |
81447b5b PP |
177 | |
178 | class _IntegralField(_NumericField, numbers.Integral): | |
179 | def __lshift__(self, other): | |
80d037bc | 180 | return self._value << self._extract_value(other) |
81447b5b PP |
181 | |
182 | def __rlshift__(self, other): | |
80d037bc | 183 | return self._extract_value(other) << self._value |
81447b5b PP |
184 | |
185 | def __rshift__(self, other): | |
80d037bc | 186 | return self._value >> self._extract_value(other) |
81447b5b PP |
187 | |
188 | def __rrshift__(self, other): | |
80d037bc | 189 | return self._extract_value(other) >> self._value |
81447b5b PP |
190 | |
191 | def __and__(self, other): | |
80d037bc | 192 | return self._value & self._extract_value(other) |
81447b5b PP |
193 | |
194 | def __rand__(self, other): | |
80d037bc | 195 | return self._extract_value(other) & self._value |
81447b5b PP |
196 | |
197 | def __xor__(self, other): | |
80d037bc | 198 | return self._value ^ self._extract_value(other) |
81447b5b PP |
199 | |
200 | def __rxor__(self, other): | |
80d037bc | 201 | return self._extract_value(other) ^ self._value |
81447b5b PP |
202 | |
203 | def __or__(self, other): | |
80d037bc | 204 | return self._value | self._extract_value(other) |
81447b5b PP |
205 | |
206 | def __ror__(self, other): | |
80d037bc | 207 | return self._extract_value(other) | self._value |
81447b5b PP |
208 | |
209 | def __invert__(self): | |
80d037bc | 210 | return ~self._value |
81447b5b | 211 | |
81447b5b | 212 | |
27d97a3f | 213 | class _IntegerField(_IntegralField, _Field): |
81447b5b PP |
214 | pass |
215 | ||
216 | ||
27d97a3f SM |
217 | class _UnsignedIntegerField(_IntegerField, _Field): |
218 | _NAME = 'Unsigned integer' | |
4470d3a6 | 219 | |
81447b5b | 220 | def _value_to_int(self, value): |
e2cf9726 PP |
221 | if not isinstance(value, numbers.Integral): |
222 | raise TypeError('expecting an integral number object') | |
81447b5b PP |
223 | |
224 | value = int(value) | |
27d97a3f | 225 | utils._check_uint64(value) |
81447b5b PP |
226 | |
227 | return value | |
228 | ||
229 | @property | |
80d037bc | 230 | def _value(self): |
27d97a3f | 231 | return native_bt.field_unsigned_integer_get_value(self._ptr) |
81447b5b | 232 | |
27d97a3f SM |
233 | def _set_value(self, value): |
234 | value = self._value_to_int(value) | |
235 | native_bt.field_unsigned_integer_set_value(self._ptr, value) | |
236 | ||
237 | value = property(fset=_set_value) | |
238 | ||
239 | ||
240 | class _SignedIntegerField(_IntegerField, _Field): | |
241 | _NAME = 'Signed integer' | |
4470d3a6 | 242 | |
27d97a3f | 243 | def _value_to_int(self, value): |
e2cf9726 PP |
244 | if not isinstance(value, numbers.Integral): |
245 | raise TypeError('expecting an integral number object') | |
80d037bc | 246 | |
27d97a3f SM |
247 | value = int(value) |
248 | utils._check_int64(value) | |
f6a5e476 | 249 | |
81447b5b PP |
250 | return value |
251 | ||
27d97a3f SM |
252 | @property |
253 | def _value(self): | |
254 | return native_bt.field_signed_integer_get_value(self._ptr) | |
255 | ||
80d037bc | 256 | def _set_value(self, value): |
81447b5b | 257 | value = self._value_to_int(value) |
27d97a3f | 258 | native_bt.field_signed_integer_set_value(self._ptr, value) |
81447b5b | 259 | |
80d037bc | 260 | value = property(fset=_set_value) |
81447b5b | 261 | |
5c8b3186 | 262 | |
27d97a3f SM |
263 | class _RealField(_NumericField, numbers.Real): |
264 | _NAME = 'Real' | |
81447b5b PP |
265 | |
266 | def _value_to_float(self, value): | |
267 | if not isinstance(value, numbers.Real): | |
268 | raise TypeError("expecting a real number object") | |
269 | ||
270 | return float(value) | |
271 | ||
272 | @property | |
80d037bc | 273 | def _value(self): |
27d97a3f | 274 | return native_bt.field_real_get_value(self._ptr) |
81447b5b | 275 | |
80d037bc | 276 | def _set_value(self, value): |
81447b5b | 277 | value = self._value_to_float(value) |
27d97a3f | 278 | native_bt.field_real_set_value(self._ptr, value) |
81447b5b | 279 | |
80d037bc | 280 | value = property(fset=_set_value) |
81447b5b | 281 | |
5c8b3186 | 282 | |
81447b5b | 283 | class _EnumerationField(_IntegerField): |
4470d3a6 SM |
284 | def _repr(self): |
285 | return '{} ({})'.format(self._value, ', '.join(self.labels)) | |
81447b5b PP |
286 | |
287 | @property | |
4470d3a6 | 288 | def labels(self): |
fb25b9e3 | 289 | status, labels = self._get_mapping_labels(self._ptr) |
61d96b89 | 290 | utils._handle_func_status(status, "cannot get label for enumeration field") |
81447b5b | 291 | |
4470d3a6 SM |
292 | assert labels is not None |
293 | return labels | |
81447b5b | 294 | |
a310d6bd | 295 | |
4470d3a6 SM |
296 | class _UnsignedEnumerationField(_EnumerationField, _UnsignedIntegerField): |
297 | _NAME = 'Unsigned Enumeration' | |
61d96b89 FD |
298 | _get_mapping_labels = staticmethod( |
299 | native_bt.field_unsigned_enumeration_get_mapping_labels | |
300 | ) | |
80d037bc | 301 | |
80d037bc | 302 | |
4470d3a6 SM |
303 | class _SignedEnumerationField(_EnumerationField, _SignedIntegerField): |
304 | _NAME = 'Signed Enumeration' | |
61d96b89 FD |
305 | _get_mapping_labels = staticmethod( |
306 | native_bt.field_signed_enumeration_get_mapping_labels | |
307 | ) | |
81447b5b PP |
308 | |
309 | ||
310 | @functools.total_ordering | |
4470d3a6 | 311 | class _StringField(_Field): |
81447b5b PP |
312 | _NAME = 'String' |
313 | ||
314 | def _value_to_str(self, value): | |
315 | if isinstance(value, self.__class__): | |
80d037bc | 316 | value = value._value |
81447b5b PP |
317 | |
318 | if not isinstance(value, str): | |
319 | raise TypeError("expecting a 'str' object") | |
320 | ||
321 | return value | |
322 | ||
323 | @property | |
80d037bc | 324 | def _value(self): |
4470d3a6 | 325 | return native_bt.field_string_get_value(self._ptr) |
81447b5b | 326 | |
80d037bc | 327 | def _set_value(self, value): |
81447b5b | 328 | value = self._value_to_str(value) |
4470d3a6 | 329 | native_bt.field_string_set_value(self._ptr, value) |
81447b5b | 330 | |
80d037bc JG |
331 | value = property(fset=_set_value) |
332 | ||
333 | def _spec_eq(self, other): | |
81447b5b | 334 | try: |
0bde7b52 PP |
335 | return self._value == self._value_to_str(other) |
336 | except: | |
81447b5b PP |
337 | return False |
338 | ||
81447b5b | 339 | def __lt__(self, other): |
80d037bc | 340 | return self._value < self._value_to_str(other) |
81447b5b PP |
341 | |
342 | def __bool__(self): | |
80d037bc | 343 | return bool(self._value) |
81447b5b | 344 | |
dc78ca2f | 345 | def _repr(self): |
89182b7e JG |
346 | return repr(self._value) |
347 | ||
81447b5b | 348 | def __str__(self): |
4470d3a6 | 349 | return str(self._value) |
81447b5b PP |
350 | |
351 | def __getitem__(self, index): | |
80d037bc | 352 | return self._value[index] |
81447b5b PP |
353 | |
354 | def __len__(self): | |
4470d3a6 | 355 | return native_bt.field_string_get_length(self._ptr) |
81447b5b PP |
356 | |
357 | def __iadd__(self, value): | |
358 | value = self._value_to_str(value) | |
fb25b9e3 | 359 | status = native_bt.field_string_append(self._ptr, value) |
61d96b89 FD |
360 | utils._handle_func_status( |
361 | status, "cannot append to string field object's value" | |
362 | ) | |
81447b5b PP |
363 | return self |
364 | ||
365 | ||
366 | class _ContainerField(_Field): | |
367 | def __bool__(self): | |
368 | return len(self) != 0 | |
369 | ||
370 | def __len__(self): | |
371 | count = self._count() | |
4470d3a6 | 372 | assert count >= 0 |
81447b5b PP |
373 | return count |
374 | ||
375 | def __delitem__(self, index): | |
376 | raise NotImplementedError | |
377 | ||
378 | ||
379 | class _StructureField(_ContainerField, collections.abc.MutableMapping): | |
380 | _NAME = 'Structure' | |
381 | ||
382 | def _count(self): | |
32656995 | 383 | return len(self.field_class) |
81447b5b | 384 | |
81447b5b | 385 | def __setitem__(self, key, value): |
f987e50a | 386 | # raises if key is somehow invalid |
81447b5b PP |
387 | field = self[key] |
388 | ||
81447b5b PP |
389 | # the field's property does the appropriate conversion or raises |
390 | # the appropriate exception | |
391 | field.value = value | |
392 | ||
81447b5b PP |
393 | def __iter__(self): |
394 | # same name iterator | |
32656995 | 395 | return iter(self.field_class) |
81447b5b | 396 | |
80d037bc | 397 | def _spec_eq(self, other): |
0bde7b52 PP |
398 | if not isinstance(other, collections.abc.Mapping): |
399 | return False | |
81447b5b | 400 | |
0bde7b52 PP |
401 | if len(self) != len(other): |
402 | # early mismatch | |
403 | return False | |
81447b5b | 404 | |
0bde7b52 PP |
405 | for self_key in self: |
406 | if self_key not in other: | |
407 | return False | |
81447b5b | 408 | |
0bde7b52 PP |
409 | if self[self_key] != other[self_key]: |
410 | return False | |
80d037bc | 411 | |
0bde7b52 | 412 | return True |
81447b5b | 413 | |
80d037bc | 414 | def _set_value(self, values): |
80d037bc JG |
415 | try: |
416 | for key, value in values.items(): | |
417 | self[key].value = value | |
4470d3a6 | 418 | except Exception: |
80d037bc | 419 | raise |
d5697082 | 420 | |
80d037bc | 421 | value = property(fset=_set_value) |
81447b5b | 422 | |
dc78ca2f | 423 | def _repr(self): |
797f4a78 JG |
424 | items = ['{}: {}'.format(repr(k), repr(v)) for k, v in self.items()] |
425 | return '{{{}}}'.format(', '.join(items)) | |
426 | ||
4470d3a6 SM |
427 | def __getitem__(self, key): |
428 | utils._check_str(key) | |
61d96b89 FD |
429 | field_ptr = native_bt.field_structure_borrow_member_field_by_name( |
430 | self._ptr, key | |
431 | ) | |
5c8b3186 | 432 | |
4470d3a6 SM |
433 | if field_ptr is None: |
434 | raise KeyError(key) | |
81447b5b | 435 | |
61d96b89 FD |
436 | return _create_field_from_ptr( |
437 | field_ptr, self._owner_ptr, self._owner_get_ref, self._owner_put_ref | |
438 | ) | |
f6a5e476 | 439 | |
4470d3a6 SM |
440 | def member_at_index(self, index): |
441 | utils._check_uint64(index) | |
f6a5e476 | 442 | |
4470d3a6 SM |
443 | if index >= len(self): |
444 | raise IndexError | |
445 | ||
61d96b89 FD |
446 | field_ptr = native_bt.field_structure_borrow_member_field_by_index( |
447 | self._ptr, index | |
448 | ) | |
4470d3a6 | 449 | assert field_ptr is not None |
61d96b89 FD |
450 | return _create_field_from_ptr( |
451 | field_ptr, self._owner_ptr, self._owner_get_ref, self._owner_put_ref | |
452 | ) | |
4470d3a6 SM |
453 | |
454 | ||
455 | class _VariantField(_ContainerField, _Field): | |
456 | _NAME = 'Variant' | |
81447b5b PP |
457 | |
458 | @property | |
4470d3a6 SM |
459 | def selected_option_index(self): |
460 | return native_bt.field_variant_get_selected_option_field_index(self._ptr) | |
81447b5b | 461 | |
4470d3a6 SM |
462 | @selected_option_index.setter |
463 | def selected_option_index(self, index): | |
02b61fe0 | 464 | native_bt.field_variant_select_option_field_by_index(self._ptr, index) |
f6a5e476 | 465 | |
4470d3a6 SM |
466 | @property |
467 | def selected_option(self): | |
468 | field_ptr = native_bt.field_variant_borrow_selected_option_field(self._ptr) | |
469 | utils._handle_ptr(field_ptr, "cannot get variant field's selected option") | |
81447b5b | 470 | |
61d96b89 FD |
471 | return _create_field_from_ptr( |
472 | field_ptr, self._owner_ptr, self._owner_get_ref, self._owner_put_ref | |
473 | ) | |
81447b5b | 474 | |
80d037bc | 475 | def _spec_eq(self, other): |
0bde7b52 | 476 | return _get_leaf_field(self) == other |
f6a5e476 PP |
477 | |
478 | def __bool__(self): | |
4470d3a6 | 479 | raise NotImplementedError |
81447b5b | 480 | |
dc78ca2f | 481 | def __str__(self): |
4470d3a6 | 482 | return str(self.selected_option) |
dc78ca2f JG |
483 | |
484 | def _repr(self): | |
4470d3a6 | 485 | return repr(self.selected_option) |
80d037bc JG |
486 | |
487 | def _set_value(self, value): | |
4470d3a6 | 488 | self.selected_option.value = value |
80d037bc JG |
489 | |
490 | value = property(fset=_set_value) | |
81447b5b | 491 | |
5c8b3186 | 492 | |
63631002 | 493 | class _ArrayField(_ContainerField, _Field, collections.abc.MutableSequence): |
4470d3a6 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): | |
61d96b89 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 | ||
61d96b89 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 | ||
80d037bc | 534 | def _spec_eq(self, other): |
0bde7b52 PP |
535 | if not isinstance(other, collections.abc.Sequence): |
536 | return False | |
d5697082 | 537 | |
0bde7b52 PP |
538 | if len(self) != len(other): |
539 | # early mismatch | |
80d037bc | 540 | return False |
d5697082 | 541 | |
0bde7b52 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 | ||
dc78ca2f | 548 | def _repr(self): |
7e06e400 JG |
549 | return '[{}]'.format(', '.join([repr(v) for v in self])) |
550 | ||
81447b5b | 551 | |
4470d3a6 SM |
552 | class _StaticArrayField(_ArrayField, _Field): |
553 | _NAME = 'Static array' | |
81447b5b PP |
554 | |
555 | def _count(self): | |
4470d3a6 | 556 | return native_bt.field_array_get_length(self._ptr) |
81447b5b | 557 | |
80d037bc JG |
558 | def _set_value(self, values): |
559 | if len(self) != len(values): | |
61d96b89 | 560 | raise ValueError('expected length of value and array field to match') |
80d037bc | 561 | |
4470d3a6 SM |
562 | for index, value in enumerate(values): |
563 | if value is not None: | |
564 | self[index].value = value | |
80d037bc JG |
565 | |
566 | value = property(fset=_set_value) | |
567 | ||
81447b5b | 568 | |
4470d3a6 SM |
569 | class _DynamicArrayField(_ArrayField, _Field): |
570 | _NAME = 'Dynamic array' | |
81447b5b PP |
571 | |
572 | def _count(self): | |
4470d3a6 | 573 | return self.length |
81447b5b | 574 | |
4470d3a6 SM |
575 | def _set_length(self, length): |
576 | utils._check_uint64(length) | |
fb25b9e3 PP |
577 | status = native_bt.field_dynamic_array_set_length(self._ptr, length) |
578 | utils._handle_func_status(status, "cannot set dynamic array length") | |
81447b5b | 579 | |
4470d3a6 | 580 | length = property(fget=_ArrayField._get_length, fset=_set_length) |
81447b5b | 581 | |
80d037bc | 582 | def _set_value(self, values): |
4470d3a6 SM |
583 | if len(values) != self.length: |
584 | self.length = len(values) | |
80d037bc | 585 | |
4470d3a6 SM |
586 | for index, value in enumerate(values): |
587 | if value is not None: | |
588 | self[index].value = value | |
80d037bc JG |
589 | |
590 | value = property(fset=_set_value) | |
81447b5b | 591 | |
5c8b3186 | 592 | |
81447b5b | 593 | _TYPE_ID_TO_OBJ = { |
27d97a3f 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, | |
4470d3a6 SM |
597 | native_bt.FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION: _UnsignedEnumerationField, |
598 | native_bt.FIELD_CLASS_TYPE_SIGNED_ENUMERATION: _SignedEnumerationField, | |
27d97a3f SM |
599 | native_bt.FIELD_CLASS_TYPE_STRING: _StringField, |
600 | native_bt.FIELD_CLASS_TYPE_STRUCTURE: _StructureField, | |
4470d3a6 SM |
601 | native_bt.FIELD_CLASS_TYPE_STATIC_ARRAY: _StaticArrayField, |
602 | native_bt.FIELD_CLASS_TYPE_DYNAMIC_ARRAY: _DynamicArrayField, | |
02b61fe0 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 | } |