marc-mabe /
php-enum
| @@ 410-432 (lines=23) @@ | ||
| 407 | * @param EnumSet ...$others Other EnumSet(s) of the same enumeration to produce the union |
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| 408 | * @return EnumSet |
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| 409 | */ |
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| 410 | public function diff(...$others) |
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| 411 | { |
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| 412 | $clone = clone $this; |
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| 413 | ||
| 414 | if (isset($others[0])) { |
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| 415 | $bitset = $others[0]->bitset; |
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| 416 | foreach ($others as $other) { |
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| 417 | if (!$other instanceof self || $this->enumeration !== $other->enumeration) { |
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| 418 | throw new InvalidArgumentException(sprintf( |
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| 419 | 'Others should of the same enumeration as this %s', |
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| 420 | __CLASS__, |
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| 421 | $this->enumeration |
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| 422 | )); |
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| 423 | } |
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| 424 | ||
| 425 | $bitset |= $other->bitset; |
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| 426 | } |
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| 427 | ||
| 428 | $clone->bitset = $this->bitset & ~$bitset; |
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| 429 | } |
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| 430 | ||
| 431 | return $clone; |
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| 432 | } |
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| 433 | ||
| 434 | /** |
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| 435 | * Produce a new set with enumerators in either this and other but not in both (this ^ (other | other)) |
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| @@ 442-464 (lines=23) @@ | ||
| 439 | * @param EnumSet ...$others Other EnumSet(s) of the same enumeration to produce the union |
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| 440 | * @return EnumSet |
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| 441 | */ |
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| 442 | public function symDiff(...$others) |
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| 443 | { |
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| 444 | $clone = clone $this; |
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| 445 | ||
| 446 | if (isset($others[0])) { |
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| 447 | $bitset = $others[0]->bitset; |
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| 448 | foreach ($others as $other) { |
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| 449 | if (!$other instanceof self || $this->enumeration !== $other->enumeration) { |
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| 450 | throw new InvalidArgumentException(sprintf( |
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| 451 | 'Others should be an instance of %s of the same enumeration as this %s', |
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| 452 | __CLASS__, |
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| 453 | $this->enumeration |
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| 454 | )); |
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| 455 | } |
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| 456 | ||
| 457 | $bitset |= $other->bitset; |
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| 458 | } |
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| 459 | ||
| 460 | $clone->bitset = $this->bitset ^ $bitset; |
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| 461 | } |
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| 462 | ||
| 463 | return $clone; |
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| 464 | } |
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| 465 | ||
| 466 | /** |
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| 467 | * Get ordinal numbers of the defined enumerators as array |
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