| 1 | /* |
| 2 | * Values.c: value objects |
| 3 | * |
| 4 | * Babeltrace Library |
| 5 | * |
| 6 | * Copyright (c) 2015 EfficiOS Inc. and Linux Foundation |
| 7 | * Copyright (c) 2015 Philippe Proulx <pproulx@efficios.com> |
| 8 | * |
| 9 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 10 | * of this software and associated documentation files (the "Software"), to deal |
| 11 | * in the Software without restriction, including without limitation the rights |
| 12 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 13 | * copies of the Software, and to permit persons to whom the Software is |
| 14 | * furnished to do so, subject to the following conditions: |
| 15 | * |
| 16 | * The above copyright notice and this permission notice shall be included in |
| 17 | * all copies or substantial portions of the Software. |
| 18 | * |
| 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 20 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 22 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 23 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 24 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 25 | * SOFTWARE. |
| 26 | */ |
| 27 | |
| 28 | #include <stdlib.h> |
| 29 | #include <string.h> |
| 30 | #include <assert.h> |
| 31 | #include <string.h> |
| 32 | #include <babeltrace/compiler.h> |
| 33 | #include <babeltrace/object-internal.h> |
| 34 | #include <babeltrace/ref.h> |
| 35 | #include <babeltrace/values.h> |
| 36 | #include <babeltrace/compat/glib.h> |
| 37 | |
| 38 | #define BT_VALUE_FROM_CONCRETE(_concrete) ((struct bt_value *) (_concrete)) |
| 39 | #define BT_VALUE_TO_BOOL(_base) ((struct bt_value_bool *) (_base)) |
| 40 | #define BT_VALUE_TO_INTEGER(_base) ((struct bt_value_integer *) (_base)) |
| 41 | #define BT_VALUE_TO_FLOAT(_base) ((struct bt_value_float *) (_base)) |
| 42 | #define BT_VALUE_TO_STRING(_base) ((struct bt_value_string *) (_base)) |
| 43 | #define BT_VALUE_TO_ARRAY(_base) ((struct bt_value_array *) (_base)) |
| 44 | #define BT_VALUE_TO_MAP(_base) ((struct bt_value_map *) (_base)) |
| 45 | |
| 46 | struct bt_value { |
| 47 | struct bt_object base; |
| 48 | enum bt_value_type type; |
| 49 | bool is_frozen; |
| 50 | }; |
| 51 | |
| 52 | static |
| 53 | struct bt_value bt_value_null_instance = { |
| 54 | .base = { |
| 55 | .ref_count = { |
| 56 | .count = 1, |
| 57 | .release = NULL, |
| 58 | }, |
| 59 | .release = NULL, |
| 60 | .parent = NULL, |
| 61 | }, |
| 62 | .type = BT_VALUE_TYPE_NULL, |
| 63 | .is_frozen = true, |
| 64 | }; |
| 65 | |
| 66 | struct bt_value *bt_value_null = &bt_value_null_instance; |
| 67 | |
| 68 | struct bt_value_bool { |
| 69 | struct bt_value base; |
| 70 | bool value; |
| 71 | }; |
| 72 | |
| 73 | struct bt_value_integer { |
| 74 | struct bt_value base; |
| 75 | int64_t value; |
| 76 | }; |
| 77 | |
| 78 | struct bt_value_float { |
| 79 | struct bt_value base; |
| 80 | double value; |
| 81 | }; |
| 82 | |
| 83 | struct bt_value_string { |
| 84 | struct bt_value base; |
| 85 | GString *gstr; |
| 86 | }; |
| 87 | |
| 88 | struct bt_value_array { |
| 89 | struct bt_value base; |
| 90 | GPtrArray *garray; |
| 91 | }; |
| 92 | |
| 93 | struct bt_value_map { |
| 94 | struct bt_value base; |
| 95 | GHashTable *ght; |
| 96 | }; |
| 97 | |
| 98 | static |
| 99 | void bt_value_destroy(struct bt_object *obj); |
| 100 | |
| 101 | static |
| 102 | void bt_value_string_destroy(struct bt_value *object) |
| 103 | { |
| 104 | g_string_free(BT_VALUE_TO_STRING(object)->gstr, TRUE); |
| 105 | } |
| 106 | |
| 107 | static |
| 108 | void bt_value_array_destroy(struct bt_value *object) |
| 109 | { |
| 110 | /* |
| 111 | * Pointer array's registered value destructor will take care |
| 112 | * of putting each contained object. |
| 113 | */ |
| 114 | g_ptr_array_free(BT_VALUE_TO_ARRAY(object)->garray, TRUE); |
| 115 | } |
| 116 | |
| 117 | static |
| 118 | void bt_value_map_destroy(struct bt_value *object) |
| 119 | { |
| 120 | /* |
| 121 | * Hash table's registered value destructor will take care of |
| 122 | * putting each contained object. Keys are GQuarks and cannot |
| 123 | * be destroyed anyway. |
| 124 | */ |
| 125 | g_hash_table_destroy(BT_VALUE_TO_MAP(object)->ght); |
| 126 | } |
| 127 | |
| 128 | static |
| 129 | void (* const destroy_funcs[])(struct bt_value *) = { |
| 130 | [BT_VALUE_TYPE_NULL] = NULL, |
| 131 | [BT_VALUE_TYPE_BOOL] = NULL, |
| 132 | [BT_VALUE_TYPE_INTEGER] = NULL, |
| 133 | [BT_VALUE_TYPE_FLOAT] = NULL, |
| 134 | [BT_VALUE_TYPE_STRING] = bt_value_string_destroy, |
| 135 | [BT_VALUE_TYPE_ARRAY] = bt_value_array_destroy, |
| 136 | [BT_VALUE_TYPE_MAP] = bt_value_map_destroy, |
| 137 | }; |
| 138 | |
| 139 | static |
| 140 | struct bt_value *bt_value_null_copy(const struct bt_value *null_obj) |
| 141 | { |
| 142 | return bt_value_null; |
| 143 | } |
| 144 | |
| 145 | static |
| 146 | struct bt_value *bt_value_bool_copy(const struct bt_value *bool_obj) |
| 147 | { |
| 148 | return bt_value_bool_create_init(BT_VALUE_TO_BOOL(bool_obj)->value); |
| 149 | } |
| 150 | |
| 151 | static |
| 152 | struct bt_value *bt_value_integer_copy(const struct bt_value *integer_obj) |
| 153 | { |
| 154 | return bt_value_integer_create_init( |
| 155 | BT_VALUE_TO_INTEGER(integer_obj)->value); |
| 156 | } |
| 157 | |
| 158 | static |
| 159 | struct bt_value *bt_value_float_copy(const struct bt_value *float_obj) |
| 160 | { |
| 161 | return bt_value_float_create_init( |
| 162 | BT_VALUE_TO_FLOAT(float_obj)->value); |
| 163 | } |
| 164 | |
| 165 | static |
| 166 | struct bt_value *bt_value_string_copy(const struct bt_value *string_obj) |
| 167 | { |
| 168 | return bt_value_string_create_init( |
| 169 | BT_VALUE_TO_STRING(string_obj)->gstr->str); |
| 170 | } |
| 171 | |
| 172 | static |
| 173 | struct bt_value *bt_value_array_copy(const struct bt_value *array_obj) |
| 174 | { |
| 175 | int i; |
| 176 | int ret; |
| 177 | struct bt_value *copy_obj; |
| 178 | struct bt_value_array *typed_array_obj; |
| 179 | |
| 180 | typed_array_obj = BT_VALUE_TO_ARRAY(array_obj); |
| 181 | copy_obj = bt_value_array_create(); |
| 182 | |
| 183 | if (!copy_obj) { |
| 184 | goto end; |
| 185 | } |
| 186 | |
| 187 | for (i = 0; i < typed_array_obj->garray->len; ++i) { |
| 188 | struct bt_value *element_obj_copy; |
| 189 | struct bt_value *element_obj = bt_value_array_get(array_obj, i); |
| 190 | |
| 191 | if (!element_obj) { |
| 192 | BT_PUT(copy_obj); |
| 193 | goto end; |
| 194 | } |
| 195 | |
| 196 | element_obj_copy = bt_value_copy(element_obj); |
| 197 | BT_PUT(element_obj); |
| 198 | |
| 199 | if (!element_obj_copy) { |
| 200 | BT_PUT(copy_obj); |
| 201 | goto end; |
| 202 | } |
| 203 | |
| 204 | ret = bt_value_array_append(copy_obj, element_obj_copy); |
| 205 | BT_PUT(element_obj_copy); |
| 206 | |
| 207 | if (ret) { |
| 208 | BT_PUT(copy_obj); |
| 209 | goto end; |
| 210 | } |
| 211 | } |
| 212 | |
| 213 | end: |
| 214 | return copy_obj; |
| 215 | } |
| 216 | |
| 217 | static |
| 218 | struct bt_value *bt_value_map_copy(const struct bt_value *map_obj) |
| 219 | { |
| 220 | int ret; |
| 221 | GHashTableIter iter; |
| 222 | gpointer key, element_obj; |
| 223 | struct bt_value *copy_obj; |
| 224 | struct bt_value *element_obj_copy; |
| 225 | struct bt_value_map *typed_map_obj; |
| 226 | |
| 227 | typed_map_obj = BT_VALUE_TO_MAP(map_obj); |
| 228 | copy_obj = bt_value_map_create(); |
| 229 | |
| 230 | if (!copy_obj) { |
| 231 | goto end; |
| 232 | } |
| 233 | |
| 234 | g_hash_table_iter_init(&iter, typed_map_obj->ght); |
| 235 | |
| 236 | while (g_hash_table_iter_next(&iter, &key, &element_obj)) { |
| 237 | const char *key_str = g_quark_to_string(GPOINTER_TO_UINT(key)); |
| 238 | |
| 239 | element_obj_copy = bt_value_copy(element_obj); |
| 240 | |
| 241 | if (!element_obj_copy) { |
| 242 | BT_PUT(copy_obj); |
| 243 | goto end; |
| 244 | } |
| 245 | |
| 246 | ret = bt_value_map_insert(copy_obj, key_str, element_obj_copy); |
| 247 | BT_PUT(element_obj_copy); |
| 248 | |
| 249 | if (ret) { |
| 250 | BT_PUT(copy_obj); |
| 251 | goto end; |
| 252 | } |
| 253 | } |
| 254 | |
| 255 | end: |
| 256 | return copy_obj; |
| 257 | } |
| 258 | |
| 259 | static |
| 260 | struct bt_value *(* const copy_funcs[])(const struct bt_value *) = { |
| 261 | [BT_VALUE_TYPE_NULL] = bt_value_null_copy, |
| 262 | [BT_VALUE_TYPE_BOOL] = bt_value_bool_copy, |
| 263 | [BT_VALUE_TYPE_INTEGER] = bt_value_integer_copy, |
| 264 | [BT_VALUE_TYPE_FLOAT] = bt_value_float_copy, |
| 265 | [BT_VALUE_TYPE_STRING] = bt_value_string_copy, |
| 266 | [BT_VALUE_TYPE_ARRAY] = bt_value_array_copy, |
| 267 | [BT_VALUE_TYPE_MAP] = bt_value_map_copy, |
| 268 | }; |
| 269 | |
| 270 | static |
| 271 | bool bt_value_null_compare(const struct bt_value *object_a, |
| 272 | const struct bt_value *object_b) |
| 273 | { |
| 274 | /* |
| 275 | * Always true since bt_value_compare() already checks if both |
| 276 | * object_a and object_b have the same type, and in the case of |
| 277 | * null value objects, they're always the same if it is so. |
| 278 | */ |
| 279 | return true; |
| 280 | } |
| 281 | |
| 282 | static |
| 283 | bool bt_value_bool_compare(const struct bt_value *object_a, |
| 284 | const struct bt_value *object_b) |
| 285 | { |
| 286 | return BT_VALUE_TO_BOOL(object_a)->value == |
| 287 | BT_VALUE_TO_BOOL(object_b)->value; |
| 288 | } |
| 289 | |
| 290 | static |
| 291 | bool bt_value_integer_compare(const struct bt_value *object_a, |
| 292 | const struct bt_value *object_b) |
| 293 | { |
| 294 | return BT_VALUE_TO_INTEGER(object_a)->value == |
| 295 | BT_VALUE_TO_INTEGER(object_b)->value; |
| 296 | } |
| 297 | |
| 298 | static |
| 299 | bool bt_value_float_compare(const struct bt_value *object_a, |
| 300 | const struct bt_value *object_b) |
| 301 | { |
| 302 | return BT_VALUE_TO_FLOAT(object_a)->value == |
| 303 | BT_VALUE_TO_FLOAT(object_b)->value; |
| 304 | } |
| 305 | |
| 306 | static |
| 307 | bool bt_value_string_compare(const struct bt_value *object_a, |
| 308 | const struct bt_value *object_b) |
| 309 | { |
| 310 | return !strcmp(BT_VALUE_TO_STRING(object_a)->gstr->str, |
| 311 | BT_VALUE_TO_STRING(object_b)->gstr->str); |
| 312 | } |
| 313 | |
| 314 | static |
| 315 | bool bt_value_array_compare(const struct bt_value *object_a, |
| 316 | const struct bt_value *object_b) |
| 317 | { |
| 318 | int i; |
| 319 | bool ret = true; |
| 320 | const struct bt_value_array *array_obj_a = |
| 321 | BT_VALUE_TO_ARRAY(object_a); |
| 322 | |
| 323 | if (bt_value_array_size(object_a) != bt_value_array_size(object_b)) { |
| 324 | ret = false; |
| 325 | goto end; |
| 326 | } |
| 327 | |
| 328 | for (i = 0; i < array_obj_a->garray->len; ++i) { |
| 329 | struct bt_value *element_obj_a; |
| 330 | struct bt_value *element_obj_b; |
| 331 | |
| 332 | element_obj_a = bt_value_array_get(object_a, i); |
| 333 | element_obj_b = bt_value_array_get(object_b, i); |
| 334 | |
| 335 | if (!bt_value_compare(element_obj_a, element_obj_b)) { |
| 336 | BT_PUT(element_obj_a); |
| 337 | BT_PUT(element_obj_b); |
| 338 | ret = false; |
| 339 | goto end; |
| 340 | } |
| 341 | |
| 342 | BT_PUT(element_obj_a); |
| 343 | BT_PUT(element_obj_b); |
| 344 | } |
| 345 | |
| 346 | end: |
| 347 | return ret; |
| 348 | } |
| 349 | |
| 350 | static |
| 351 | bool bt_value_map_compare(const struct bt_value *object_a, |
| 352 | const struct bt_value *object_b) |
| 353 | { |
| 354 | bool ret = true; |
| 355 | GHashTableIter iter; |
| 356 | gpointer key, element_obj_a; |
| 357 | const struct bt_value_map *map_obj_a = BT_VALUE_TO_MAP(object_a); |
| 358 | |
| 359 | if (bt_value_map_size(object_a) != bt_value_map_size(object_b)) { |
| 360 | ret = false; |
| 361 | goto end; |
| 362 | } |
| 363 | |
| 364 | g_hash_table_iter_init(&iter, map_obj_a->ght); |
| 365 | |
| 366 | while (g_hash_table_iter_next(&iter, &key, &element_obj_a)) { |
| 367 | struct bt_value *element_obj_b; |
| 368 | const char *key_str = g_quark_to_string(GPOINTER_TO_UINT(key)); |
| 369 | |
| 370 | element_obj_b = bt_value_map_get(object_b, key_str); |
| 371 | |
| 372 | if (!bt_value_compare(element_obj_a, element_obj_b)) { |
| 373 | BT_PUT(element_obj_b); |
| 374 | ret = false; |
| 375 | goto end; |
| 376 | } |
| 377 | |
| 378 | BT_PUT(element_obj_b); |
| 379 | } |
| 380 | |
| 381 | end: |
| 382 | return ret; |
| 383 | } |
| 384 | |
| 385 | static |
| 386 | bool (* const compare_funcs[])(const struct bt_value *, |
| 387 | const struct bt_value *) = { |
| 388 | [BT_VALUE_TYPE_NULL] = bt_value_null_compare, |
| 389 | [BT_VALUE_TYPE_BOOL] = bt_value_bool_compare, |
| 390 | [BT_VALUE_TYPE_INTEGER] = bt_value_integer_compare, |
| 391 | [BT_VALUE_TYPE_FLOAT] = bt_value_float_compare, |
| 392 | [BT_VALUE_TYPE_STRING] = bt_value_string_compare, |
| 393 | [BT_VALUE_TYPE_ARRAY] = bt_value_array_compare, |
| 394 | [BT_VALUE_TYPE_MAP] = bt_value_map_compare, |
| 395 | }; |
| 396 | |
| 397 | void bt_value_null_freeze(struct bt_value *object) |
| 398 | { |
| 399 | } |
| 400 | |
| 401 | void bt_value_generic_freeze(struct bt_value *object) |
| 402 | { |
| 403 | object->is_frozen = true; |
| 404 | } |
| 405 | |
| 406 | void bt_value_array_freeze(struct bt_value *object) |
| 407 | { |
| 408 | int i; |
| 409 | struct bt_value_array *typed_array_obj = |
| 410 | BT_VALUE_TO_ARRAY(object); |
| 411 | |
| 412 | for (i = 0; i < typed_array_obj->garray->len; ++i) { |
| 413 | struct bt_value *element_obj = |
| 414 | g_ptr_array_index(typed_array_obj->garray, i); |
| 415 | |
| 416 | bt_value_freeze(element_obj); |
| 417 | } |
| 418 | |
| 419 | bt_value_generic_freeze(object); |
| 420 | } |
| 421 | |
| 422 | void bt_value_map_freeze(struct bt_value *object) |
| 423 | { |
| 424 | GHashTableIter iter; |
| 425 | gpointer key, element_obj; |
| 426 | const struct bt_value_map *map_obj = BT_VALUE_TO_MAP(object); |
| 427 | |
| 428 | g_hash_table_iter_init(&iter, map_obj->ght); |
| 429 | |
| 430 | while (g_hash_table_iter_next(&iter, &key, &element_obj)) { |
| 431 | bt_value_freeze(element_obj); |
| 432 | } |
| 433 | |
| 434 | bt_value_generic_freeze(object); |
| 435 | } |
| 436 | |
| 437 | static |
| 438 | void (* const freeze_funcs[])(struct bt_value *) = { |
| 439 | [BT_VALUE_TYPE_NULL] = bt_value_null_freeze, |
| 440 | [BT_VALUE_TYPE_BOOL] = bt_value_generic_freeze, |
| 441 | [BT_VALUE_TYPE_INTEGER] = bt_value_generic_freeze, |
| 442 | [BT_VALUE_TYPE_FLOAT] = bt_value_generic_freeze, |
| 443 | [BT_VALUE_TYPE_STRING] = bt_value_generic_freeze, |
| 444 | [BT_VALUE_TYPE_ARRAY] = bt_value_array_freeze, |
| 445 | [BT_VALUE_TYPE_MAP] = bt_value_map_freeze, |
| 446 | }; |
| 447 | |
| 448 | static |
| 449 | void bt_value_destroy(struct bt_object *obj) |
| 450 | { |
| 451 | struct bt_value *value; |
| 452 | |
| 453 | value = container_of(obj, struct bt_value, base); |
| 454 | assert(value->type != BT_VALUE_TYPE_UNKNOWN); |
| 455 | |
| 456 | if (bt_value_is_null(value)) { |
| 457 | return; |
| 458 | } |
| 459 | |
| 460 | if (destroy_funcs[value->type]) { |
| 461 | destroy_funcs[value->type](value); |
| 462 | } |
| 463 | |
| 464 | g_free(value); |
| 465 | } |
| 466 | |
| 467 | enum bt_value_status bt_value_freeze(struct bt_value *object) |
| 468 | { |
| 469 | enum bt_value_status ret = BT_VALUE_STATUS_OK; |
| 470 | |
| 471 | if (!object) { |
| 472 | ret = BT_VALUE_STATUS_INVAL; |
| 473 | goto end; |
| 474 | } |
| 475 | |
| 476 | freeze_funcs[object->type](object); |
| 477 | |
| 478 | end: |
| 479 | return ret; |
| 480 | } |
| 481 | |
| 482 | bool bt_value_is_frozen(const struct bt_value *object) |
| 483 | { |
| 484 | return object && object->is_frozen; |
| 485 | } |
| 486 | |
| 487 | enum bt_value_type bt_value_get_type(const struct bt_value *object) |
| 488 | { |
| 489 | if (!object) { |
| 490 | return BT_VALUE_TYPE_UNKNOWN; |
| 491 | } |
| 492 | |
| 493 | return object->type; |
| 494 | } |
| 495 | |
| 496 | static |
| 497 | struct bt_value bt_value_create_base(enum bt_value_type type) |
| 498 | { |
| 499 | struct bt_value base; |
| 500 | |
| 501 | base.type = type; |
| 502 | base.is_frozen = false; |
| 503 | bt_object_init(&base, bt_value_destroy); |
| 504 | |
| 505 | return base; |
| 506 | } |
| 507 | |
| 508 | struct bt_value *bt_value_bool_create_init(bool val) |
| 509 | { |
| 510 | struct bt_value_bool *bool_obj; |
| 511 | |
| 512 | bool_obj = g_new0(struct bt_value_bool, 1); |
| 513 | |
| 514 | if (!bool_obj) { |
| 515 | goto end; |
| 516 | } |
| 517 | |
| 518 | bool_obj->base = bt_value_create_base(BT_VALUE_TYPE_BOOL); |
| 519 | bool_obj->value = val; |
| 520 | |
| 521 | end: |
| 522 | return BT_VALUE_FROM_CONCRETE(bool_obj); |
| 523 | } |
| 524 | |
| 525 | struct bt_value *bt_value_bool_create(void) |
| 526 | { |
| 527 | return bt_value_bool_create_init(false); |
| 528 | } |
| 529 | |
| 530 | struct bt_value *bt_value_integer_create_init(int64_t val) |
| 531 | { |
| 532 | struct bt_value_integer *integer_obj; |
| 533 | |
| 534 | integer_obj = g_new0(struct bt_value_integer, 1); |
| 535 | |
| 536 | if (!integer_obj) { |
| 537 | goto end; |
| 538 | } |
| 539 | |
| 540 | integer_obj->base = bt_value_create_base(BT_VALUE_TYPE_INTEGER); |
| 541 | integer_obj->value = val; |
| 542 | |
| 543 | end: |
| 544 | return BT_VALUE_FROM_CONCRETE(integer_obj); |
| 545 | } |
| 546 | |
| 547 | struct bt_value *bt_value_integer_create(void) |
| 548 | { |
| 549 | return bt_value_integer_create_init(0); |
| 550 | } |
| 551 | |
| 552 | struct bt_value *bt_value_float_create_init(double val) |
| 553 | { |
| 554 | struct bt_value_float *float_obj; |
| 555 | |
| 556 | float_obj = g_new0(struct bt_value_float, 1); |
| 557 | |
| 558 | if (!float_obj) { |
| 559 | goto end; |
| 560 | } |
| 561 | |
| 562 | float_obj->base = bt_value_create_base(BT_VALUE_TYPE_FLOAT); |
| 563 | float_obj->value = val; |
| 564 | |
| 565 | end: |
| 566 | return BT_VALUE_FROM_CONCRETE(float_obj); |
| 567 | } |
| 568 | |
| 569 | struct bt_value *bt_value_float_create(void) |
| 570 | { |
| 571 | return bt_value_float_create_init(0.); |
| 572 | } |
| 573 | |
| 574 | struct bt_value *bt_value_string_create_init(const char *val) |
| 575 | { |
| 576 | struct bt_value_string *string_obj = NULL; |
| 577 | |
| 578 | if (!val) { |
| 579 | goto end; |
| 580 | } |
| 581 | |
| 582 | string_obj = g_new0(struct bt_value_string, 1); |
| 583 | |
| 584 | if (!string_obj) { |
| 585 | goto end; |
| 586 | } |
| 587 | |
| 588 | string_obj->base = bt_value_create_base(BT_VALUE_TYPE_STRING); |
| 589 | string_obj->gstr = g_string_new(val); |
| 590 | |
| 591 | if (!string_obj->gstr) { |
| 592 | g_free(string_obj); |
| 593 | string_obj = NULL; |
| 594 | goto end; |
| 595 | } |
| 596 | |
| 597 | end: |
| 598 | return BT_VALUE_FROM_CONCRETE(string_obj); |
| 599 | } |
| 600 | |
| 601 | struct bt_value *bt_value_string_create(void) |
| 602 | { |
| 603 | return bt_value_string_create_init(""); |
| 604 | } |
| 605 | |
| 606 | struct bt_value *bt_value_array_create(void) |
| 607 | { |
| 608 | struct bt_value_array *array_obj; |
| 609 | |
| 610 | array_obj = g_new0(struct bt_value_array, 1); |
| 611 | |
| 612 | if (!array_obj) { |
| 613 | goto end; |
| 614 | } |
| 615 | |
| 616 | array_obj->base = bt_value_create_base(BT_VALUE_TYPE_ARRAY); |
| 617 | array_obj->garray = bt_g_ptr_array_new_full(0, |
| 618 | (GDestroyNotify) bt_put); |
| 619 | |
| 620 | if (!array_obj->garray) { |
| 621 | g_free(array_obj); |
| 622 | array_obj = NULL; |
| 623 | goto end; |
| 624 | } |
| 625 | |
| 626 | end: |
| 627 | return BT_VALUE_FROM_CONCRETE(array_obj); |
| 628 | } |
| 629 | |
| 630 | struct bt_value *bt_value_map_create(void) |
| 631 | { |
| 632 | struct bt_value_map *map_obj; |
| 633 | |
| 634 | map_obj = g_new0(struct bt_value_map, 1); |
| 635 | |
| 636 | if (!map_obj) { |
| 637 | goto end; |
| 638 | } |
| 639 | |
| 640 | map_obj->base = bt_value_create_base(BT_VALUE_TYPE_MAP); |
| 641 | map_obj->ght = g_hash_table_new_full(g_direct_hash, g_direct_equal, |
| 642 | NULL, (GDestroyNotify) bt_put); |
| 643 | |
| 644 | if (!map_obj->ght) { |
| 645 | g_free(map_obj); |
| 646 | map_obj = NULL; |
| 647 | goto end; |
| 648 | } |
| 649 | |
| 650 | end: |
| 651 | return BT_VALUE_FROM_CONCRETE(map_obj); |
| 652 | } |
| 653 | |
| 654 | enum bt_value_status bt_value_bool_get(const struct bt_value *bool_obj, |
| 655 | bool *val) |
| 656 | { |
| 657 | enum bt_value_status ret = BT_VALUE_STATUS_OK; |
| 658 | struct bt_value_bool *typed_bool_obj = BT_VALUE_TO_BOOL(bool_obj); |
| 659 | |
| 660 | if (!bool_obj || !bt_value_is_bool(bool_obj) || !val) { |
| 661 | ret = BT_VALUE_STATUS_INVAL; |
| 662 | goto end; |
| 663 | } |
| 664 | |
| 665 | *val = typed_bool_obj->value; |
| 666 | |
| 667 | end: |
| 668 | return ret; |
| 669 | } |
| 670 | |
| 671 | enum bt_value_status bt_value_bool_set(struct bt_value *bool_obj, bool val) |
| 672 | { |
| 673 | enum bt_value_status ret = BT_VALUE_STATUS_OK; |
| 674 | struct bt_value_bool *typed_bool_obj = BT_VALUE_TO_BOOL(bool_obj); |
| 675 | |
| 676 | if (!bool_obj || !bt_value_is_bool(bool_obj)) { |
| 677 | ret = BT_VALUE_STATUS_INVAL; |
| 678 | goto end; |
| 679 | } |
| 680 | |
| 681 | if (bool_obj->is_frozen) { |
| 682 | ret = BT_VALUE_STATUS_FROZEN; |
| 683 | goto end; |
| 684 | } |
| 685 | |
| 686 | typed_bool_obj->value = val; |
| 687 | |
| 688 | end: |
| 689 | return ret; |
| 690 | } |
| 691 | |
| 692 | enum bt_value_status bt_value_integer_get(const struct bt_value *integer_obj, |
| 693 | int64_t *val) |
| 694 | { |
| 695 | enum bt_value_status ret = BT_VALUE_STATUS_OK; |
| 696 | struct bt_value_integer *typed_integer_obj = |
| 697 | BT_VALUE_TO_INTEGER(integer_obj); |
| 698 | |
| 699 | if (!integer_obj || !bt_value_is_integer(integer_obj) || !val) { |
| 700 | ret = BT_VALUE_STATUS_INVAL; |
| 701 | goto end; |
| 702 | } |
| 703 | |
| 704 | *val = typed_integer_obj->value; |
| 705 | |
| 706 | end: |
| 707 | return ret; |
| 708 | } |
| 709 | |
| 710 | enum bt_value_status bt_value_integer_set(struct bt_value *integer_obj, |
| 711 | int64_t val) |
| 712 | { |
| 713 | enum bt_value_status ret = BT_VALUE_STATUS_OK; |
| 714 | struct bt_value_integer *typed_integer_obj = |
| 715 | BT_VALUE_TO_INTEGER(integer_obj); |
| 716 | |
| 717 | if (!integer_obj || !bt_value_is_integer(integer_obj)) { |
| 718 | ret = BT_VALUE_STATUS_INVAL; |
| 719 | goto end; |
| 720 | } |
| 721 | |
| 722 | if (integer_obj->is_frozen) { |
| 723 | ret = BT_VALUE_STATUS_FROZEN; |
| 724 | goto end; |
| 725 | } |
| 726 | |
| 727 | typed_integer_obj->value = val; |
| 728 | |
| 729 | end: |
| 730 | return ret; |
| 731 | } |
| 732 | |
| 733 | enum bt_value_status bt_value_float_get(const struct bt_value *float_obj, |
| 734 | double *val) |
| 735 | { |
| 736 | enum bt_value_status ret = BT_VALUE_STATUS_OK; |
| 737 | struct bt_value_float *typed_float_obj = |
| 738 | BT_VALUE_TO_FLOAT(float_obj); |
| 739 | |
| 740 | if (!float_obj || !bt_value_is_float(float_obj) || !val) { |
| 741 | ret = BT_VALUE_STATUS_INVAL; |
| 742 | goto end; |
| 743 | } |
| 744 | |
| 745 | *val = typed_float_obj->value; |
| 746 | |
| 747 | end: |
| 748 | return ret; |
| 749 | } |
| 750 | |
| 751 | enum bt_value_status bt_value_float_set(struct bt_value *float_obj, |
| 752 | double val) |
| 753 | { |
| 754 | enum bt_value_status ret = BT_VALUE_STATUS_OK; |
| 755 | struct bt_value_float *typed_float_obj = |
| 756 | BT_VALUE_TO_FLOAT(float_obj); |
| 757 | |
| 758 | if (!float_obj || !bt_value_is_float(float_obj)) { |
| 759 | ret = BT_VALUE_STATUS_INVAL; |
| 760 | goto end; |
| 761 | } |
| 762 | |
| 763 | if (float_obj->is_frozen) { |
| 764 | ret = BT_VALUE_STATUS_FROZEN; |
| 765 | goto end; |
| 766 | } |
| 767 | |
| 768 | typed_float_obj->value = val; |
| 769 | |
| 770 | end: |
| 771 | return ret; |
| 772 | } |
| 773 | |
| 774 | enum bt_value_status bt_value_string_get(const struct bt_value *string_obj, |
| 775 | const char **val) |
| 776 | { |
| 777 | enum bt_value_status ret = BT_VALUE_STATUS_OK; |
| 778 | struct bt_value_string *typed_string_obj = |
| 779 | BT_VALUE_TO_STRING(string_obj); |
| 780 | |
| 781 | if (!string_obj || !bt_value_is_string(string_obj) || !val) { |
| 782 | ret = BT_VALUE_STATUS_INVAL; |
| 783 | goto end; |
| 784 | } |
| 785 | |
| 786 | *val = typed_string_obj->gstr->str; |
| 787 | |
| 788 | end: |
| 789 | return ret; |
| 790 | } |
| 791 | |
| 792 | enum bt_value_status bt_value_string_set(struct bt_value *string_obj, |
| 793 | const char *val) |
| 794 | { |
| 795 | enum bt_value_status ret = BT_VALUE_STATUS_OK; |
| 796 | struct bt_value_string *typed_string_obj = |
| 797 | BT_VALUE_TO_STRING(string_obj); |
| 798 | |
| 799 | if (!string_obj || !bt_value_is_string(string_obj) || !val) { |
| 800 | ret = BT_VALUE_STATUS_INVAL; |
| 801 | goto end; |
| 802 | } |
| 803 | |
| 804 | if (string_obj->is_frozen) { |
| 805 | ret = BT_VALUE_STATUS_FROZEN; |
| 806 | goto end; |
| 807 | } |
| 808 | |
| 809 | g_string_assign(typed_string_obj->gstr, val); |
| 810 | |
| 811 | end: |
| 812 | return ret; |
| 813 | } |
| 814 | |
| 815 | int bt_value_array_size(const struct bt_value *array_obj) |
| 816 | { |
| 817 | int ret; |
| 818 | struct bt_value_array *typed_array_obj = |
| 819 | BT_VALUE_TO_ARRAY(array_obj); |
| 820 | |
| 821 | if (!array_obj || !bt_value_is_array(array_obj)) { |
| 822 | ret = BT_VALUE_STATUS_INVAL; |
| 823 | goto end; |
| 824 | } |
| 825 | |
| 826 | ret = (int) typed_array_obj->garray->len; |
| 827 | |
| 828 | end: |
| 829 | return ret; |
| 830 | } |
| 831 | |
| 832 | bool bt_value_array_is_empty(const struct bt_value *array_obj) |
| 833 | { |
| 834 | return bt_value_array_size(array_obj) == 0; |
| 835 | } |
| 836 | |
| 837 | struct bt_value *bt_value_array_get(const struct bt_value *array_obj, |
| 838 | size_t index) |
| 839 | { |
| 840 | struct bt_value *ret; |
| 841 | struct bt_value_array *typed_array_obj = |
| 842 | BT_VALUE_TO_ARRAY(array_obj); |
| 843 | |
| 844 | if (!array_obj || !bt_value_is_array(array_obj) || |
| 845 | index >= typed_array_obj->garray->len) { |
| 846 | ret = NULL; |
| 847 | goto end; |
| 848 | } |
| 849 | |
| 850 | ret = g_ptr_array_index(typed_array_obj->garray, index); |
| 851 | bt_get(ret); |
| 852 | |
| 853 | end: |
| 854 | return ret; |
| 855 | } |
| 856 | |
| 857 | enum bt_value_status bt_value_array_append(struct bt_value *array_obj, |
| 858 | struct bt_value *element_obj) |
| 859 | { |
| 860 | enum bt_value_status ret = BT_VALUE_STATUS_OK; |
| 861 | struct bt_value_array *typed_array_obj = |
| 862 | BT_VALUE_TO_ARRAY(array_obj); |
| 863 | |
| 864 | if (!array_obj || !bt_value_is_array(array_obj) || !element_obj) { |
| 865 | ret = BT_VALUE_STATUS_INVAL; |
| 866 | goto end; |
| 867 | } |
| 868 | |
| 869 | if (array_obj->is_frozen) { |
| 870 | ret = BT_VALUE_STATUS_FROZEN; |
| 871 | goto end; |
| 872 | } |
| 873 | |
| 874 | g_ptr_array_add(typed_array_obj->garray, element_obj); |
| 875 | bt_get(element_obj); |
| 876 | |
| 877 | end: |
| 878 | return ret; |
| 879 | } |
| 880 | |
| 881 | enum bt_value_status bt_value_array_append_bool(struct bt_value *array_obj, |
| 882 | bool val) |
| 883 | { |
| 884 | enum bt_value_status ret; |
| 885 | struct bt_value *bool_obj = NULL; |
| 886 | |
| 887 | bool_obj = bt_value_bool_create_init(val); |
| 888 | ret = bt_value_array_append(array_obj, bool_obj); |
| 889 | bt_put(bool_obj); |
| 890 | |
| 891 | return ret; |
| 892 | } |
| 893 | |
| 894 | enum bt_value_status bt_value_array_append_integer( |
| 895 | struct bt_value *array_obj, int64_t val) |
| 896 | { |
| 897 | enum bt_value_status ret; |
| 898 | struct bt_value *integer_obj = NULL; |
| 899 | |
| 900 | integer_obj = bt_value_integer_create_init(val); |
| 901 | ret = bt_value_array_append(array_obj, integer_obj); |
| 902 | bt_put(integer_obj); |
| 903 | |
| 904 | return ret; |
| 905 | } |
| 906 | |
| 907 | enum bt_value_status bt_value_array_append_float(struct bt_value *array_obj, |
| 908 | double val) |
| 909 | { |
| 910 | enum bt_value_status ret; |
| 911 | struct bt_value *float_obj = NULL; |
| 912 | |
| 913 | float_obj = bt_value_float_create_init(val); |
| 914 | ret = bt_value_array_append(array_obj, float_obj); |
| 915 | bt_put(float_obj); |
| 916 | |
| 917 | return ret; |
| 918 | } |
| 919 | |
| 920 | enum bt_value_status bt_value_array_append_string(struct bt_value *array_obj, |
| 921 | const char *val) |
| 922 | { |
| 923 | enum bt_value_status ret; |
| 924 | struct bt_value *string_obj = NULL; |
| 925 | |
| 926 | string_obj = bt_value_string_create_init(val); |
| 927 | ret = bt_value_array_append(array_obj, string_obj); |
| 928 | bt_put(string_obj); |
| 929 | |
| 930 | return ret; |
| 931 | } |
| 932 | |
| 933 | enum bt_value_status bt_value_array_append_empty_array( |
| 934 | struct bt_value *array_obj) |
| 935 | { |
| 936 | enum bt_value_status ret; |
| 937 | struct bt_value *empty_array_obj = NULL; |
| 938 | |
| 939 | empty_array_obj = bt_value_array_create(); |
| 940 | ret = bt_value_array_append(array_obj, empty_array_obj); |
| 941 | bt_put(empty_array_obj); |
| 942 | |
| 943 | return ret; |
| 944 | } |
| 945 | |
| 946 | enum bt_value_status bt_value_array_append_empty_map(struct bt_value *array_obj) |
| 947 | { |
| 948 | enum bt_value_status ret; |
| 949 | struct bt_value *map_obj = NULL; |
| 950 | |
| 951 | map_obj = bt_value_map_create(); |
| 952 | ret = bt_value_array_append(array_obj, map_obj); |
| 953 | bt_put(map_obj); |
| 954 | |
| 955 | return ret; |
| 956 | } |
| 957 | |
| 958 | enum bt_value_status bt_value_array_set(struct bt_value *array_obj, |
| 959 | size_t index, struct bt_value *element_obj) |
| 960 | { |
| 961 | enum bt_value_status ret = BT_VALUE_STATUS_OK; |
| 962 | struct bt_value_array *typed_array_obj = |
| 963 | BT_VALUE_TO_ARRAY(array_obj); |
| 964 | |
| 965 | if (!array_obj || !bt_value_is_array(array_obj) || !element_obj || |
| 966 | index >= typed_array_obj->garray->len) { |
| 967 | ret = BT_VALUE_STATUS_INVAL; |
| 968 | goto end; |
| 969 | } |
| 970 | |
| 971 | if (array_obj->is_frozen) { |
| 972 | ret = BT_VALUE_STATUS_FROZEN; |
| 973 | goto end; |
| 974 | } |
| 975 | |
| 976 | bt_put(g_ptr_array_index(typed_array_obj->garray, index)); |
| 977 | g_ptr_array_index(typed_array_obj->garray, index) = element_obj; |
| 978 | bt_get(element_obj); |
| 979 | |
| 980 | end: |
| 981 | return ret; |
| 982 | } |
| 983 | |
| 984 | int bt_value_map_size(const struct bt_value *map_obj) |
| 985 | { |
| 986 | int ret; |
| 987 | struct bt_value_map *typed_map_obj = BT_VALUE_TO_MAP(map_obj); |
| 988 | |
| 989 | if (!map_obj || !bt_value_is_map(map_obj)) { |
| 990 | ret = BT_VALUE_STATUS_INVAL; |
| 991 | goto end; |
| 992 | } |
| 993 | |
| 994 | ret = (int) g_hash_table_size(typed_map_obj->ght); |
| 995 | |
| 996 | end: |
| 997 | return ret; |
| 998 | } |
| 999 | |
| 1000 | bool bt_value_map_is_empty(const struct bt_value *map_obj) |
| 1001 | { |
| 1002 | return bt_value_map_size(map_obj) == 0; |
| 1003 | } |
| 1004 | |
| 1005 | struct bt_value *bt_value_map_get(const struct bt_value *map_obj, |
| 1006 | const char *key) |
| 1007 | { |
| 1008 | GQuark quark; |
| 1009 | struct bt_value *ret; |
| 1010 | struct bt_value_map *typed_map_obj = BT_VALUE_TO_MAP(map_obj); |
| 1011 | |
| 1012 | if (!map_obj || !bt_value_is_map(map_obj) || !key) { |
| 1013 | ret = NULL; |
| 1014 | goto end; |
| 1015 | } |
| 1016 | |
| 1017 | quark = g_quark_from_string(key); |
| 1018 | ret = g_hash_table_lookup(typed_map_obj->ght, GUINT_TO_POINTER(quark)); |
| 1019 | |
| 1020 | if (ret) { |
| 1021 | bt_get(ret); |
| 1022 | } |
| 1023 | |
| 1024 | end: |
| 1025 | return ret; |
| 1026 | } |
| 1027 | |
| 1028 | bool bt_value_map_has_key(const struct bt_value *map_obj, const char *key) |
| 1029 | { |
| 1030 | bool ret; |
| 1031 | GQuark quark; |
| 1032 | struct bt_value_map *typed_map_obj = BT_VALUE_TO_MAP(map_obj); |
| 1033 | |
| 1034 | if (!map_obj || !bt_value_is_map(map_obj) || !key) { |
| 1035 | ret = false; |
| 1036 | goto end; |
| 1037 | } |
| 1038 | |
| 1039 | quark = g_quark_from_string(key); |
| 1040 | ret = bt_g_hash_table_contains(typed_map_obj->ght, |
| 1041 | GUINT_TO_POINTER(quark)); |
| 1042 | |
| 1043 | end: |
| 1044 | return ret; |
| 1045 | } |
| 1046 | |
| 1047 | enum bt_value_status bt_value_map_insert(struct bt_value *map_obj, |
| 1048 | const char *key, struct bt_value *element_obj) |
| 1049 | { |
| 1050 | GQuark quark; |
| 1051 | enum bt_value_status ret = BT_VALUE_STATUS_OK; |
| 1052 | struct bt_value_map *typed_map_obj = BT_VALUE_TO_MAP(map_obj); |
| 1053 | |
| 1054 | if (!map_obj || !bt_value_is_map(map_obj) || !key || !element_obj) { |
| 1055 | ret = BT_VALUE_STATUS_INVAL; |
| 1056 | goto end; |
| 1057 | } |
| 1058 | |
| 1059 | if (map_obj->is_frozen) { |
| 1060 | ret = BT_VALUE_STATUS_FROZEN; |
| 1061 | goto end; |
| 1062 | } |
| 1063 | |
| 1064 | quark = g_quark_from_string(key); |
| 1065 | g_hash_table_insert(typed_map_obj->ght, |
| 1066 | GUINT_TO_POINTER(quark), element_obj); |
| 1067 | bt_get(element_obj); |
| 1068 | |
| 1069 | end: |
| 1070 | return ret; |
| 1071 | } |
| 1072 | |
| 1073 | enum bt_value_status bt_value_map_insert_bool(struct bt_value *map_obj, |
| 1074 | const char *key, bool val) |
| 1075 | { |
| 1076 | enum bt_value_status ret; |
| 1077 | struct bt_value *bool_obj = NULL; |
| 1078 | |
| 1079 | bool_obj = bt_value_bool_create_init(val); |
| 1080 | ret = bt_value_map_insert(map_obj, key, bool_obj); |
| 1081 | bt_put(bool_obj); |
| 1082 | |
| 1083 | return ret; |
| 1084 | } |
| 1085 | |
| 1086 | enum bt_value_status bt_value_map_insert_integer(struct bt_value *map_obj, |
| 1087 | const char *key, int64_t val) |
| 1088 | { |
| 1089 | enum bt_value_status ret; |
| 1090 | struct bt_value *integer_obj = NULL; |
| 1091 | |
| 1092 | integer_obj = bt_value_integer_create_init(val); |
| 1093 | ret = bt_value_map_insert(map_obj, key, integer_obj); |
| 1094 | bt_put(integer_obj); |
| 1095 | |
| 1096 | return ret; |
| 1097 | } |
| 1098 | |
| 1099 | enum bt_value_status bt_value_map_insert_float(struct bt_value *map_obj, |
| 1100 | const char *key, double val) |
| 1101 | { |
| 1102 | enum bt_value_status ret; |
| 1103 | struct bt_value *float_obj = NULL; |
| 1104 | |
| 1105 | float_obj = bt_value_float_create_init(val); |
| 1106 | ret = bt_value_map_insert(map_obj, key, float_obj); |
| 1107 | bt_put(float_obj); |
| 1108 | |
| 1109 | return ret; |
| 1110 | } |
| 1111 | |
| 1112 | enum bt_value_status bt_value_map_insert_string(struct bt_value *map_obj, |
| 1113 | const char *key, const char *val) |
| 1114 | { |
| 1115 | enum bt_value_status ret; |
| 1116 | struct bt_value *string_obj = NULL; |
| 1117 | |
| 1118 | string_obj = bt_value_string_create_init(val); |
| 1119 | ret = bt_value_map_insert(map_obj, key, string_obj); |
| 1120 | bt_put(string_obj); |
| 1121 | |
| 1122 | return ret; |
| 1123 | } |
| 1124 | |
| 1125 | enum bt_value_status bt_value_map_insert_empty_array(struct bt_value *map_obj, |
| 1126 | const char *key) |
| 1127 | { |
| 1128 | enum bt_value_status ret; |
| 1129 | struct bt_value *array_obj = NULL; |
| 1130 | |
| 1131 | array_obj = bt_value_array_create(); |
| 1132 | ret = bt_value_map_insert(map_obj, key, array_obj); |
| 1133 | bt_put(array_obj); |
| 1134 | |
| 1135 | return ret; |
| 1136 | } |
| 1137 | |
| 1138 | enum bt_value_status bt_value_map_insert_empty_map(struct bt_value *map_obj, |
| 1139 | const char *key) |
| 1140 | { |
| 1141 | enum bt_value_status ret; |
| 1142 | struct bt_value *empty_map_obj = NULL; |
| 1143 | |
| 1144 | empty_map_obj = bt_value_map_create(); |
| 1145 | ret = bt_value_map_insert(map_obj, key, empty_map_obj); |
| 1146 | bt_put(empty_map_obj); |
| 1147 | |
| 1148 | return ret; |
| 1149 | } |
| 1150 | |
| 1151 | enum bt_value_status bt_value_map_foreach(const struct bt_value *map_obj, |
| 1152 | bt_value_map_foreach_cb cb, void *data) |
| 1153 | { |
| 1154 | enum bt_value_status ret = BT_VALUE_STATUS_OK; |
| 1155 | gpointer key, element_obj; |
| 1156 | GHashTableIter iter; |
| 1157 | struct bt_value_map *typed_map_obj = BT_VALUE_TO_MAP(map_obj); |
| 1158 | |
| 1159 | if (!map_obj || !bt_value_is_map(map_obj) || !cb) { |
| 1160 | ret = BT_VALUE_STATUS_INVAL; |
| 1161 | goto end; |
| 1162 | } |
| 1163 | |
| 1164 | g_hash_table_iter_init(&iter, typed_map_obj->ght); |
| 1165 | |
| 1166 | while (g_hash_table_iter_next(&iter, &key, &element_obj)) { |
| 1167 | const char *key_str = g_quark_to_string(GPOINTER_TO_UINT(key)); |
| 1168 | |
| 1169 | if (!cb(key_str, element_obj, data)) { |
| 1170 | ret = BT_VALUE_STATUS_CANCELLED; |
| 1171 | break; |
| 1172 | } |
| 1173 | } |
| 1174 | |
| 1175 | end: |
| 1176 | return ret; |
| 1177 | } |
| 1178 | |
| 1179 | struct extend_map_element_data { |
| 1180 | struct bt_value *extended_obj; |
| 1181 | bool got_error; |
| 1182 | }; |
| 1183 | |
| 1184 | static |
| 1185 | bool extend_map_element(const char *key, |
| 1186 | struct bt_value *extension_obj_elem, void *data) |
| 1187 | { |
| 1188 | bool ret = true; |
| 1189 | |
| 1190 | struct extend_map_element_data *extend_data = data; |
| 1191 | |
| 1192 | /* Copy object which is to replace the current one */ |
| 1193 | struct bt_value *extension_obj_elem_copy = |
| 1194 | bt_value_copy(extension_obj_elem); |
| 1195 | |
| 1196 | /* Replace in extended object */ |
| 1197 | if (bt_value_map_insert(extend_data->extended_obj, key, |
| 1198 | extension_obj_elem_copy)) { |
| 1199 | goto error; |
| 1200 | } |
| 1201 | |
| 1202 | goto end; |
| 1203 | |
| 1204 | error: |
| 1205 | ret = false; |
| 1206 | extend_data->got_error = true; |
| 1207 | |
| 1208 | end: |
| 1209 | BT_PUT(extension_obj_elem_copy); |
| 1210 | |
| 1211 | return ret; |
| 1212 | } |
| 1213 | |
| 1214 | struct bt_value *bt_value_map_extend(struct bt_value *base_map_obj, |
| 1215 | struct bt_value *extension_obj) |
| 1216 | { |
| 1217 | struct bt_value *extended_obj = NULL; |
| 1218 | struct extend_map_element_data extend_data = { 0 }; |
| 1219 | |
| 1220 | if (!bt_value_is_map(base_map_obj) || !bt_value_is_map(extension_obj)) { |
| 1221 | goto error; |
| 1222 | } |
| 1223 | |
| 1224 | /* Create copy of base map object to start with */ |
| 1225 | extended_obj = bt_value_copy(base_map_obj); |
| 1226 | if (!extended_obj) { |
| 1227 | goto error; |
| 1228 | } |
| 1229 | |
| 1230 | /* |
| 1231 | * For each key in the extension map object, replace this key |
| 1232 | * in the copied map object. |
| 1233 | */ |
| 1234 | extend_data.extended_obj = extended_obj; |
| 1235 | |
| 1236 | if (bt_value_map_foreach(extension_obj, extend_map_element, |
| 1237 | &extend_data)) { |
| 1238 | goto error; |
| 1239 | } |
| 1240 | |
| 1241 | if (extend_data.got_error) { |
| 1242 | goto error; |
| 1243 | } |
| 1244 | |
| 1245 | goto end; |
| 1246 | |
| 1247 | error: |
| 1248 | BT_PUT(extended_obj); |
| 1249 | |
| 1250 | end: |
| 1251 | return extended_obj; |
| 1252 | } |
| 1253 | |
| 1254 | struct bt_value *bt_value_copy(const struct bt_value *object) |
| 1255 | { |
| 1256 | struct bt_value *copy_obj = NULL; |
| 1257 | |
| 1258 | if (!object) { |
| 1259 | goto end; |
| 1260 | } |
| 1261 | |
| 1262 | copy_obj = copy_funcs[object->type](object); |
| 1263 | |
| 1264 | end: |
| 1265 | return copy_obj; |
| 1266 | } |
| 1267 | |
| 1268 | bool bt_value_compare(const struct bt_value *object_a, |
| 1269 | const struct bt_value *object_b) |
| 1270 | { |
| 1271 | bool ret = false; |
| 1272 | |
| 1273 | if (!object_a || !object_b) { |
| 1274 | goto end; |
| 1275 | } |
| 1276 | |
| 1277 | if (object_a->type != object_b->type) { |
| 1278 | goto end; |
| 1279 | } |
| 1280 | |
| 1281 | ret = compare_funcs[object_a->type](object_a, object_b); |
| 1282 | |
| 1283 | end: |
| 1284 | return ret; |
| 1285 | } |