| @@ 346-364 (lines=19) @@ | ||
| 343 | * @param EnumSet ...$other Other EnumSet(s) of the same enumeration to produce the union |
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| 344 | * @return EnumSet |
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| 345 | */ |
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| 346 | public function union(EnumSet $other) |
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| 347 | { |
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| 348 | $bitset = $this->bitset; |
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| 349 | foreach (func_get_args() as $other) { |
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| 350 | if (!$other instanceof self || $this->enumeration !== $other->enumeration) { |
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| 351 | throw new InvalidArgumentException(sprintf( |
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| 352 | "Others should be an instance of %s of the same enumeration as this %s", |
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| 353 | __CLASS__, |
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| 354 | $this->enumeration |
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| 355 | )); |
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| 356 | } |
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| 357 | ||
| 358 | $bitset |= $other->bitset; |
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| 359 | } |
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| 360 | ||
| 361 | $clone = clone $this; |
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| 362 | $clone->bitset = $bitset; |
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| 363 | return $clone; |
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| 364 | } |
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| 365 | ||
| 366 | /** |
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| 367 | * Produce a new set with enumerators common to both this and other (this & other) |
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| @@ 371-389 (lines=19) @@ | ||
| 368 | * @param EnumSet ...$other Other EnumSet(s) of the same enumeration to produce the union |
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| 369 | * @return EnumSet |
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| 370 | */ |
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| 371 | public function intersect(EnumSet $other) |
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| 372 | { |
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| 373 | $bitset = $this->bitset; |
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| 374 | foreach (func_get_args() as $other) { |
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| 375 | if (!$other instanceof self || $this->enumeration !== $other->enumeration) { |
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| 376 | throw new InvalidArgumentException(sprintf( |
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| 377 | "Others should be an instance of %s of the same enumeration as this %s", |
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| 378 | __CLASS__, |
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| 379 | $this->enumeration |
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| 380 | )); |
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| 381 | } |
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| 382 | ||
| 383 | $bitset &= $other->bitset; |
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| 384 | } |
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| 385 | ||
| 386 | $clone = clone $this; |
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| 387 | $clone->bitset = $bitset; |
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| 388 | return $clone; |
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| 389 | } |
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| 390 | ||
| 391 | /** |
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| 392 | * Produce a new set with enumerators in this but not in other (this - other) |
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| @@ 396-414 (lines=19) @@ | ||
| 393 | * @param EnumSet ...$other Other EnumSet(s) of the same enumeration to produce the union |
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| 394 | * @return EnumSet |
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| 395 | */ |
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| 396 | public function diff(EnumSet $other) |
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| 397 | { |
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| 398 | $bitset = $other->bitset; |
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| 399 | foreach (func_get_args() as $other) { |
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| 400 | if (!$other instanceof self || $this->enumeration !== $other->enumeration) { |
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| 401 | throw new InvalidArgumentException(sprintf( |
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| 402 | "Others should be an instance of %s of the same enumeration as this %s", |
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| 403 | __CLASS__, |
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| 404 | $this->enumeration |
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| 405 | )); |
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| 406 | } |
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| 407 | ||
| 408 | $bitset |= $other->bitset; |
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| 409 | } |
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| 410 | ||
| 411 | $clone = clone $this; |
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| 412 | $clone->bitset = $this->bitset & ~$bitset; |
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| 413 | return $clone; |
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| 414 | } |
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| 415 | ||
| 416 | /** |
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| 417 | * Produce a new set with enumerators in either this and other but not in both (this ^ (other | other)) |
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| @@ 421-439 (lines=19) @@ | ||
| 418 | * @param EnumSet ...$other Other EnumSet(s) of the same enumeration to produce the union |
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| 419 | * @return EnumSet |
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| 420 | */ |
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| 421 | public function symDiff(EnumSet $other) |
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| 422 | { |
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| 423 | $bitset = $other->bitset; |
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| 424 | foreach (func_get_args() as $other) { |
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| 425 | if (!$other instanceof self || $this->enumeration !== $other->enumeration) { |
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| 426 | throw new InvalidArgumentException(sprintf( |
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| 427 | "Others should be an instance of %s of the same enumeration as this %s", |
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| 428 | __CLASS__, |
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| 429 | $this->enumeration |
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| 430 | )); |
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| 431 | } |
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| 432 | ||
| 433 | $bitset |= $other->bitset; |
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| 434 | } |
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| 435 | ||
| 436 | $clone = clone $this; |
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| 437 | $clone->bitset = $this->bitset ^ $bitset; |
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| 438 | return $clone; |
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| 439 | } |
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| 440 | ||
| 441 | /** |
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| 442 | * Get ordinal numbers of the defined enumerators as array |
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