| 1 | /* |
| 2 | * Copyright © 2012 Google, Inc. |
| 3 | * |
| 4 | * This is part of HarfBuzz, a text shaping library. |
| 5 | * |
| 6 | * Permission is hereby granted, without written agreement and without |
| 7 | * license or royalty fees, to use, copy, modify, and distribute this |
| 8 | * software and its documentation for any purpose, provided that the |
| 9 | * above copyright notice and the following two paragraphs appear in |
| 10 | * all copies of this software. |
| 11 | * |
| 12 | * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR |
| 13 | * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES |
| 14 | * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN |
| 15 | * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH |
| 16 | * DAMAGE. |
| 17 | * |
| 18 | * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, |
| 19 | * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| 20 | * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS |
| 21 | * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO |
| 22 | * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
| 23 | * |
| 24 | * Google Author(s): Behdad Esfahbod |
| 25 | */ |
| 26 | |
| 27 | #include "hb-set.hh" |
| 28 | |
| 29 | |
| 30 | /* Public API */ |
| 31 | |
| 32 | |
| 33 | /** |
| 34 | * hb_set_create: (Xconstructor) |
| 35 | * |
| 36 | * Return value: (transfer full): |
| 37 | * |
| 38 | * Since: 0.9.2 |
| 39 | **/ |
| 40 | hb_set_t * |
| 41 | hb_set_create (void) |
| 42 | { |
| 43 | hb_set_t *set; |
| 44 | |
| 45 | if (!(set = hb_object_create<hb_set_t> ())) |
| 46 | return hb_set_get_empty (); |
| 47 | |
| 48 | set->init_shallow (); |
| 49 | |
| 50 | return set; |
| 51 | } |
| 52 | |
| 53 | /** |
| 54 | * hb_set_get_empty: |
| 55 | * |
| 56 | * Return value: (transfer full): |
| 57 | * |
| 58 | * Since: 0.9.2 |
| 59 | **/ |
| 60 | hb_set_t * |
| 61 | hb_set_get_empty (void) |
| 62 | { |
| 63 | return const_cast<hb_set_t *> (&Null(hb_set_t)); |
| 64 | } |
| 65 | |
| 66 | /** |
| 67 | * hb_set_reference: (skip) |
| 68 | * @set: a set. |
| 69 | * |
| 70 | * Return value: (transfer full): |
| 71 | * |
| 72 | * Since: 0.9.2 |
| 73 | **/ |
| 74 | hb_set_t * |
| 75 | hb_set_reference (hb_set_t *set) |
| 76 | { |
| 77 | return hb_object_reference (set); |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * hb_set_destroy: (skip) |
| 82 | * @set: a set. |
| 83 | * |
| 84 | * Since: 0.9.2 |
| 85 | **/ |
| 86 | void |
| 87 | hb_set_destroy (hb_set_t *set) |
| 88 | { |
| 89 | if (!hb_object_destroy (set)) return; |
| 90 | |
| 91 | set->fini_shallow (); |
| 92 | |
| 93 | free (set); |
| 94 | } |
| 95 | |
| 96 | /** |
| 97 | * hb_set_set_user_data: (skip) |
| 98 | * @set: a set. |
| 99 | * @key: |
| 100 | * @data: |
| 101 | * @destroy: |
| 102 | * @replace: |
| 103 | * |
| 104 | * Return value: |
| 105 | * |
| 106 | * Since: 0.9.2 |
| 107 | **/ |
| 108 | hb_bool_t |
| 109 | hb_set_set_user_data (hb_set_t *set, |
| 110 | hb_user_data_key_t *key, |
| 111 | void * data, |
| 112 | hb_destroy_func_t destroy, |
| 113 | hb_bool_t replace) |
| 114 | { |
| 115 | return hb_object_set_user_data (set, key, data, destroy, replace); |
| 116 | } |
| 117 | |
| 118 | /** |
| 119 | * hb_set_get_user_data: (skip) |
| 120 | * @set: a set. |
| 121 | * @key: |
| 122 | * |
| 123 | * Return value: (transfer none): |
| 124 | * |
| 125 | * Since: 0.9.2 |
| 126 | **/ |
| 127 | void * |
| 128 | hb_set_get_user_data (hb_set_t *set, |
| 129 | hb_user_data_key_t *key) |
| 130 | { |
| 131 | return hb_object_get_user_data (set, key); |
| 132 | } |
| 133 | |
| 134 | |
| 135 | /** |
| 136 | * hb_set_allocation_successful: |
| 137 | * @set: a set. |
| 138 | * |
| 139 | * |
| 140 | * |
| 141 | * Return value: |
| 142 | * |
| 143 | * Since: 0.9.2 |
| 144 | **/ |
| 145 | hb_bool_t |
| 146 | hb_set_allocation_successful (const hb_set_t *set) |
| 147 | { |
| 148 | return set->successful; |
| 149 | } |
| 150 | |
| 151 | /** |
| 152 | * hb_set_clear: |
| 153 | * @set: a set. |
| 154 | * |
| 155 | * |
| 156 | * |
| 157 | * Since: 0.9.2 |
| 158 | **/ |
| 159 | void |
| 160 | hb_set_clear (hb_set_t *set) |
| 161 | { |
| 162 | set->clear (); |
| 163 | } |
| 164 | |
| 165 | /** |
| 166 | * hb_set_is_empty: |
| 167 | * @set: a set. |
| 168 | * |
| 169 | * |
| 170 | * |
| 171 | * Return value: |
| 172 | * |
| 173 | * Since: 0.9.7 |
| 174 | **/ |
| 175 | hb_bool_t |
| 176 | hb_set_is_empty (const hb_set_t *set) |
| 177 | { |
| 178 | return set->is_empty (); |
| 179 | } |
| 180 | |
| 181 | /** |
| 182 | * hb_set_has: |
| 183 | * @set: a set. |
| 184 | * @codepoint: |
| 185 | * |
| 186 | * |
| 187 | * |
| 188 | * Return value: |
| 189 | * |
| 190 | * Since: 0.9.2 |
| 191 | **/ |
| 192 | hb_bool_t |
| 193 | hb_set_has (const hb_set_t *set, |
| 194 | hb_codepoint_t codepoint) |
| 195 | { |
| 196 | return set->has (codepoint); |
| 197 | } |
| 198 | |
| 199 | /** |
| 200 | * hb_set_add: |
| 201 | * @set: a set. |
| 202 | * @codepoint: |
| 203 | * |
| 204 | * |
| 205 | * |
| 206 | * Since: 0.9.2 |
| 207 | **/ |
| 208 | void |
| 209 | hb_set_add (hb_set_t *set, |
| 210 | hb_codepoint_t codepoint) |
| 211 | { |
| 212 | set->add (codepoint); |
| 213 | } |
| 214 | |
| 215 | /** |
| 216 | * hb_set_add_range: |
| 217 | * @set: a set. |
| 218 | * @first: |
| 219 | * @last: |
| 220 | * |
| 221 | * |
| 222 | * |
| 223 | * Since: 0.9.7 |
| 224 | **/ |
| 225 | void |
| 226 | hb_set_add_range (hb_set_t *set, |
| 227 | hb_codepoint_t first, |
| 228 | hb_codepoint_t last) |
| 229 | { |
| 230 | set->add_range (first, last); |
| 231 | } |
| 232 | |
| 233 | /** |
| 234 | * hb_set_del: |
| 235 | * @set: a set. |
| 236 | * @codepoint: |
| 237 | * |
| 238 | * |
| 239 | * |
| 240 | * Since: 0.9.2 |
| 241 | **/ |
| 242 | void |
| 243 | hb_set_del (hb_set_t *set, |
| 244 | hb_codepoint_t codepoint) |
| 245 | { |
| 246 | set->del (codepoint); |
| 247 | } |
| 248 | |
| 249 | /** |
| 250 | * hb_set_del_range: |
| 251 | * @set: a set. |
| 252 | * @first: |
| 253 | * @last: |
| 254 | * |
| 255 | * |
| 256 | * |
| 257 | * Since: 0.9.7 |
| 258 | **/ |
| 259 | void |
| 260 | hb_set_del_range (hb_set_t *set, |
| 261 | hb_codepoint_t first, |
| 262 | hb_codepoint_t last) |
| 263 | { |
| 264 | set->del_range (first, last); |
| 265 | } |
| 266 | |
| 267 | /** |
| 268 | * hb_set_is_equal: |
| 269 | * @set: a set. |
| 270 | * @other: other set. |
| 271 | * |
| 272 | * |
| 273 | * |
| 274 | * Return value: %TRUE if the two sets are equal, %FALSE otherwise. |
| 275 | * |
| 276 | * Since: 0.9.7 |
| 277 | **/ |
| 278 | hb_bool_t |
| 279 | hb_set_is_equal (const hb_set_t *set, |
| 280 | const hb_set_t *other) |
| 281 | { |
| 282 | return set->is_equal (other); |
| 283 | } |
| 284 | |
| 285 | /** |
| 286 | * hb_set_is_subset: |
| 287 | * @set: a set. |
| 288 | * @larger_set: other set. |
| 289 | * |
| 290 | * |
| 291 | * |
| 292 | * Return value: %TRUE if the @set is a subset of (or equal to) @larger_set, %FALSE otherwise. |
| 293 | * |
| 294 | * Since: 1.8.1 |
| 295 | **/ |
| 296 | hb_bool_t |
| 297 | hb_set_is_subset (const hb_set_t *set, |
| 298 | const hb_set_t *larger_set) |
| 299 | { |
| 300 | return set->is_subset (larger_set); |
| 301 | } |
| 302 | |
| 303 | /** |
| 304 | * hb_set_set: |
| 305 | * @set: a set. |
| 306 | * @other: |
| 307 | * |
| 308 | * |
| 309 | * |
| 310 | * Since: 0.9.2 |
| 311 | **/ |
| 312 | void |
| 313 | hb_set_set (hb_set_t *set, |
| 314 | const hb_set_t *other) |
| 315 | { |
| 316 | set->set (other); |
| 317 | } |
| 318 | |
| 319 | /** |
| 320 | * hb_set_union: |
| 321 | * @set: a set. |
| 322 | * @other: |
| 323 | * |
| 324 | * |
| 325 | * |
| 326 | * Since: 0.9.2 |
| 327 | **/ |
| 328 | void |
| 329 | hb_set_union (hb_set_t *set, |
| 330 | const hb_set_t *other) |
| 331 | { |
| 332 | set->union_ (other); |
| 333 | } |
| 334 | |
| 335 | /** |
| 336 | * hb_set_intersect: |
| 337 | * @set: a set. |
| 338 | * @other: |
| 339 | * |
| 340 | * |
| 341 | * |
| 342 | * Since: 0.9.2 |
| 343 | **/ |
| 344 | void |
| 345 | hb_set_intersect (hb_set_t *set, |
| 346 | const hb_set_t *other) |
| 347 | { |
| 348 | set->intersect (other); |
| 349 | } |
| 350 | |
| 351 | /** |
| 352 | * hb_set_subtract: |
| 353 | * @set: a set. |
| 354 | * @other: |
| 355 | * |
| 356 | * |
| 357 | * |
| 358 | * Since: 0.9.2 |
| 359 | **/ |
| 360 | void |
| 361 | hb_set_subtract (hb_set_t *set, |
| 362 | const hb_set_t *other) |
| 363 | { |
| 364 | set->subtract (other); |
| 365 | } |
| 366 | |
| 367 | /** |
| 368 | * hb_set_symmetric_difference: |
| 369 | * @set: a set. |
| 370 | * @other: |
| 371 | * |
| 372 | * |
| 373 | * |
| 374 | * Since: 0.9.2 |
| 375 | **/ |
| 376 | void |
| 377 | hb_set_symmetric_difference (hb_set_t *set, |
| 378 | const hb_set_t *other) |
| 379 | { |
| 380 | set->symmetric_difference (other); |
| 381 | } |
| 382 | |
| 383 | /** |
| 384 | * hb_set_invert: |
| 385 | * @set: a set. |
| 386 | * |
| 387 | * |
| 388 | * |
| 389 | * Since: 0.9.10 |
| 390 | * |
| 391 | * Deprecated: 1.6.1 |
| 392 | **/ |
| 393 | void |
| 394 | hb_set_invert (hb_set_t *set) |
| 395 | { |
| 396 | } |
| 397 | |
| 398 | /** |
| 399 | * hb_set_get_population: |
| 400 | * @set: a set. |
| 401 | * |
| 402 | * Returns the number of numbers in the set. |
| 403 | * |
| 404 | * Return value: set population. |
| 405 | * |
| 406 | * Since: 0.9.7 |
| 407 | **/ |
| 408 | unsigned int |
| 409 | hb_set_get_population (const hb_set_t *set) |
| 410 | { |
| 411 | return set->get_population (); |
| 412 | } |
| 413 | |
| 414 | /** |
| 415 | * hb_set_get_min: |
| 416 | * @set: a set. |
| 417 | * |
| 418 | * Finds the minimum number in the set. |
| 419 | * |
| 420 | * Return value: minimum of the set, or %HB_SET_VALUE_INVALID if set is empty. |
| 421 | * |
| 422 | * Since: 0.9.7 |
| 423 | **/ |
| 424 | hb_codepoint_t |
| 425 | hb_set_get_min (const hb_set_t *set) |
| 426 | { |
| 427 | return set->get_min (); |
| 428 | } |
| 429 | |
| 430 | /** |
| 431 | * hb_set_get_max: |
| 432 | * @set: a set. |
| 433 | * |
| 434 | * Finds the maximum number in the set. |
| 435 | * |
| 436 | * Return value: minimum of the set, or %HB_SET_VALUE_INVALID if set is empty. |
| 437 | * |
| 438 | * Since: 0.9.7 |
| 439 | **/ |
| 440 | hb_codepoint_t |
| 441 | hb_set_get_max (const hb_set_t *set) |
| 442 | { |
| 443 | return set->get_max (); |
| 444 | } |
| 445 | |
| 446 | /** |
| 447 | * hb_set_next: |
| 448 | * @set: a set. |
| 449 | * @codepoint: (inout): |
| 450 | * |
| 451 | * Gets the next number in @set that is greater than current value of @codepoint. |
| 452 | * |
| 453 | * Set @codepoint to %HB_SET_VALUE_INVALID to get started. |
| 454 | * |
| 455 | * Return value: whether there was a next value. |
| 456 | * |
| 457 | * Since: 0.9.2 |
| 458 | **/ |
| 459 | hb_bool_t |
| 460 | hb_set_next (const hb_set_t *set, |
| 461 | hb_codepoint_t *codepoint) |
| 462 | { |
| 463 | return set->next (codepoint); |
| 464 | } |
| 465 | |
| 466 | /** |
| 467 | * hb_set_previous: |
| 468 | * @set: a set. |
| 469 | * @codepoint: (inout): |
| 470 | * |
| 471 | * Gets the previous number in @set that is slower than current value of @codepoint. |
| 472 | * |
| 473 | * Set @codepoint to %HB_SET_VALUE_INVALID to get started. |
| 474 | * |
| 475 | * Return value: whether there was a previous value. |
| 476 | * |
| 477 | * Since: 1.8.0 |
| 478 | **/ |
| 479 | hb_bool_t |
| 480 | hb_set_previous (const hb_set_t *set, |
| 481 | hb_codepoint_t *codepoint) |
| 482 | { |
| 483 | return set->previous (codepoint); |
| 484 | } |
| 485 | |
| 486 | /** |
| 487 | * hb_set_next_range: |
| 488 | * @set: a set. |
| 489 | * @first: (out): output first codepoint in the range. |
| 490 | * @last: (inout): input current last and output last codepoint in the range. |
| 491 | * |
| 492 | * Gets the next consecutive range of numbers in @set that |
| 493 | * are greater than current value of @last. |
| 494 | * |
| 495 | * Set @last to %HB_SET_VALUE_INVALID to get started. |
| 496 | * |
| 497 | * Return value: whether there was a next range. |
| 498 | * |
| 499 | * Since: 0.9.7 |
| 500 | **/ |
| 501 | hb_bool_t |
| 502 | hb_set_next_range (const hb_set_t *set, |
| 503 | hb_codepoint_t *first, |
| 504 | hb_codepoint_t *last) |
| 505 | { |
| 506 | return set->next_range (first, last); |
| 507 | } |
| 508 | |
| 509 | /** |
| 510 | * hb_set_previous_range: |
| 511 | * @set: a set. |
| 512 | * @first: (inout): input current first and output first codepoint in the range. |
| 513 | * @last: (out): output last codepoint in the range. |
| 514 | * |
| 515 | * Gets the previous consecutive range of numbers in @set that |
| 516 | * are greater than current value of @last. |
| 517 | * |
| 518 | * Set @first to %HB_SET_VALUE_INVALID to get started. |
| 519 | * |
| 520 | * Return value: whether there was a previous range. |
| 521 | * |
| 522 | * Since: 1.8.0 |
| 523 | **/ |
| 524 | hb_bool_t |
| 525 | hb_set_previous_range (const hb_set_t *set, |
| 526 | hb_codepoint_t *first, |
| 527 | hb_codepoint_t *last) |
| 528 | { |
| 529 | return set->previous_range (first, last); |
| 530 | } |
| 531 | |