marc-mabe /
php-enum
| @@ 399-420 (lines=22) @@ | ||
| 396 | * @param EnumSet ...$others Other EnumSet(s) of the same enumeration to produce the union |
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| 397 | * @return EnumSet |
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| 398 | */ |
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| 399 | public function diff(EnumSet ...$others) |
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| 400 | { |
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| 401 | $clone = clone $this; |
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| 402 | ||
| 403 | if (isset($others[0])) { |
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| 404 | $bitset = $others[0]->bitset; |
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| 405 | foreach ($others as $other) { |
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| 406 | if ($this->enumeration !== $other->enumeration) { |
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| 407 | throw new InvalidArgumentException(sprintf( |
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| 408 | 'Others should of the same enumeration as this %s', |
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| 409 | $this->enumeration |
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| 410 | )); |
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| 411 | } |
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| 412 | ||
| 413 | $bitset |= $other->bitset; |
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| 414 | } |
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| 415 | ||
| 416 | $clone->bitset = $this->bitset & ~$bitset; |
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| 417 | } |
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| 418 | ||
| 419 | return $clone; |
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| 420 | } |
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| 421 | ||
| 422 | /** |
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| 423 | * Produce a new set with enumerators in either this and other but not in both (this ^ (other | other)) |
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| @@ 427-448 (lines=22) @@ | ||
| 424 | * @param EnumSet ...$others Other EnumSet(s) of the same enumeration to produce the union |
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| 425 | * @return EnumSet |
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| 426 | */ |
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| 427 | public function symDiff(EnumSet ...$others) |
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| 428 | { |
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| 429 | $clone = clone $this; |
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| 430 | ||
| 431 | if (isset($others[0])) { |
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| 432 | $bitset = $others[0]->bitset; |
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| 433 | foreach ($others as $other) { |
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| 434 | if ($this->enumeration !== $other->enumeration) { |
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| 435 | throw new InvalidArgumentException(sprintf( |
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| 436 | 'Others should be of the same enumeration as this %s', |
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| 437 | $this->enumeration |
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| 438 | )); |
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| 439 | } |
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| 440 | ||
| 441 | $bitset |= $other->bitset; |
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| 442 | } |
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| 443 | ||
| 444 | $clone->bitset = $this->bitset ^ $bitset; |
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| 445 | } |
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| 446 | ||
| 447 | return $clone; |
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| 448 | } |
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| 449 | ||
| 450 | /** |
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| 451 | * Get ordinal numbers of the defined enumerators as array |
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