marc-mabe /
php-enum
| @@ 434-456 (lines=23) @@ | ||
| 431 | * @param EnumSet ...$others Other EnumSet(s) of the same enumeration to produce the union |
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| 432 | * @return EnumSet |
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| 433 | */ |
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| 434 | public function diff(...$others) |
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| 435 | { |
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| 436 | $clone = clone $this; |
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| 437 | ||
| 438 | if (isset($others[0])) { |
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| 439 | $bitset = $others[0]->bitset; |
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| 440 | foreach ($others as $other) { |
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| 441 | if (!$other instanceof self || $this->enumeration !== $other->enumeration) { |
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| 442 | throw new InvalidArgumentException(sprintf( |
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| 443 | 'Others should of the same enumeration as this %s', |
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| 444 | __CLASS__, |
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| 445 | $this->enumeration |
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| 446 | )); |
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| 447 | } |
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| 448 | ||
| 449 | $bitset |= $other->bitset; |
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| 450 | } |
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| 451 | ||
| 452 | $clone->bitset = $this->bitset & ~$bitset; |
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| 453 | } |
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| 454 | ||
| 455 | return $clone; |
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| 456 | } |
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| 457 | ||
| 458 | /** |
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| 459 | * Produce a new set with enumerators in either this and other but not in both (this ^ (other | other)) |
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| @@ 466-488 (lines=23) @@ | ||
| 463 | * @param EnumSet ...$others Other EnumSet(s) of the same enumeration to produce the union |
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| 464 | * @return EnumSet |
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| 465 | */ |
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| 466 | public function symDiff(...$others) |
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| 467 | { |
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| 468 | $clone = clone $this; |
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| 469 | ||
| 470 | if (isset($others[0])) { |
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| 471 | $bitset = $others[0]->bitset; |
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| 472 | foreach ($others as $other) { |
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| 473 | if (!$other instanceof self || $this->enumeration !== $other->enumeration) { |
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| 474 | throw new InvalidArgumentException(sprintf( |
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| 475 | 'Others should be an instance of %s of the same enumeration as this %s', |
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| 476 | __CLASS__, |
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| 477 | $this->enumeration |
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| 478 | )); |
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| 479 | } |
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| 480 | ||
| 481 | $bitset |= $other->bitset; |
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| 482 | } |
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| 483 | ||
| 484 | $clone->bitset = $this->bitset ^ $bitset; |
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| 485 | } |
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| 486 | ||
| 487 | return $clone; |
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| 488 | } |
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| 489 | ||
| 490 | /** |
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| 491 | * Get ordinal numbers of the defined enumerators as array |
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