marc-mabe /
php-enum
| @@ 433-455 (lines=23) @@ | ||
| 430 | * @param EnumSet ...$others Other EnumSet(s) of the same enumeration to produce the union |
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| 431 | * @return EnumSet |
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| 432 | */ |
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| 433 | public function diff(...$others) |
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| 434 | { |
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| 435 | $clone = clone $this; |
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| 436 | ||
| 437 | if (isset($others[0])) { |
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| 438 | $bitset = $others[0]->bitset; |
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| 439 | foreach ($others as $other) { |
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| 440 | if (!$other instanceof self || $this->enumeration !== $other->enumeration) { |
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| 441 | throw new InvalidArgumentException(sprintf( |
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| 442 | 'Others should of the same enumeration as this %s', |
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| 443 | __CLASS__, |
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| 444 | $this->enumeration |
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| 445 | )); |
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| 446 | } |
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| 447 | ||
| 448 | $bitset |= $other->bitset; |
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| 449 | } |
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| 450 | ||
| 451 | $clone->bitset = $this->bitset & ~$bitset; |
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| 452 | } |
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| 453 | ||
| 454 | return $clone; |
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| 455 | } |
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| 456 | ||
| 457 | /** |
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| 458 | * Produce a new set with enumerators in either this and other but not in both (this ^ (other | other)) |
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| @@ 465-487 (lines=23) @@ | ||
| 462 | * @param EnumSet ...$others Other EnumSet(s) of the same enumeration to produce the union |
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| 463 | * @return EnumSet |
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| 464 | */ |
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| 465 | public function symDiff(...$others) |
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| 466 | { |
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| 467 | $clone = clone $this; |
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| 468 | ||
| 469 | if (isset($others[0])) { |
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| 470 | $bitset = $others[0]->bitset; |
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| 471 | foreach ($others as $other) { |
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| 472 | if (!$other instanceof self || $this->enumeration !== $other->enumeration) { |
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| 473 | throw new InvalidArgumentException(sprintf( |
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| 474 | 'Others should be an instance of %s of the same enumeration as this %s', |
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| 475 | __CLASS__, |
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| 476 | $this->enumeration |
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| 477 | )); |
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| 478 | } |
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| 479 | ||
| 480 | $bitset |= $other->bitset; |
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| 481 | } |
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| 482 | ||
| 483 | $clone->bitset = $this->bitset ^ $bitset; |
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| 484 | } |
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| 485 | ||
| 486 | return $clone; |
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| 487 | } |
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| 488 | ||
| 489 | /** |
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| 490 | * Get ordinal numbers of the defined enumerators as array |
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