marc-mabe /
php-enum
| @@ 413-448 (lines=36) @@ | ||
| 410 | * @return void |
|
| 411 | * @throws InvalidArgumentException On a non string is given as Parameter |
|
| 412 | */ |
|
| 413 | public function setBinaryBitsetLe($bitset) |
|
| 414 | { |
|
| 415 | if (!is_string($bitset)) { |
|
| 416 | throw new InvalidArgumentException('Bitset must be a string'); |
|
| 417 | } |
|
| 418 | ||
| 419 | $size = strlen($this->bitset); |
|
| 420 | $sizeIn = strlen($bitset); |
|
| 421 | ||
| 422 | if ($sizeIn < $size) { |
|
| 423 | // add "\0" if the given bitset is not long enough |
|
| 424 | $bitset .= str_repeat("\0", $size - $sizeIn); |
|
| 425 | } elseif ($sizeIn > $size) { |
|
| 426 | if (trim(substr($bitset, $size), "\0") !== '') { |
|
| 427 | throw new InvalidArgumentException('Out-Of-Range bits detected'); |
|
| 428 | } |
|
| 429 | $bitset = substr($bitset, 0, $size); |
|
| 430 | } |
|
| 431 | ||
| 432 | // truncate out-of-range bits of last byte |
|
| 433 | $lastByteMaxOrd = $this->ordinalMax % 8; |
|
| 434 | if ($lastByteMaxOrd !== 0) { |
|
| 435 | $lastByte = $bitset[$size - 1]; |
|
| 436 | $lastByteExpected = chr((1 << $lastByteMaxOrd) - 1) & $lastByte; |
|
| 437 | if ($lastByte !== $lastByteExpected) { |
|
| 438 | throw new InvalidArgumentException('Out-Of-Range bits detected'); |
|
| 439 | } |
|
| 440 | ||
| 441 | $this->bitset = substr($bitset, 0, -1) . $lastByteExpected; |
|
| 442 | } |
|
| 443 | ||
| 444 | $this->bitset = $bitset; |
|
| 445 | ||
| 446 | // reset the iterator position |
|
| 447 | $this->rewind(); |
|
| 448 | } |
|
| 449 | ||
| 450 | /** |
|
| 451 | * Get binary bitset in big-endian order |
|
| @@ 395-430 (lines=36) @@ | ||
| 392 | * @return void |
|
| 393 | * @throws InvalidArgumentException On a non string is given as Parameter |
|
| 394 | */ |
|
| 395 | public function setBinaryBitsetLe($bitset) |
|
| 396 | { |
|
| 397 | if (!is_string($bitset)) { |
|
| 398 | throw new InvalidArgumentException('Bitset must be a string'); |
|
| 399 | } |
|
| 400 | ||
| 401 | $size = strlen($this->bitset); |
|
| 402 | $sizeIn = strlen($bitset); |
|
| 403 | ||
| 404 | if ($sizeIn < $size) { |
|
| 405 | // add "\0" if the given bitset is not long enough |
|
| 406 | $bitset .= str_repeat("\0", $size - $sizeIn); |
|
| 407 | } elseif ($sizeIn > $size) { |
|
| 408 | if (trim(substr($bitset, $size), "\0") !== '') { |
|
| 409 | throw new InvalidArgumentException('Out-Of-Range bits detected'); |
|
| 410 | } |
|
| 411 | $bitset = substr($bitset, 0, $size); |
|
| 412 | } |
|
| 413 | ||
| 414 | // truncate out-of-range bits of last byte |
|
| 415 | $lastByteMaxOrd = $this->ordinalMax % 8; |
|
| 416 | if ($lastByteMaxOrd !== 0) { |
|
| 417 | $lastByte = $bitset[$size - 1]; |
|
| 418 | $lastByteExpected = chr((1 << $lastByteMaxOrd) - 1) & $lastByte; |
|
| 419 | if ($lastByte !== $lastByteExpected) { |
|
| 420 | throw new InvalidArgumentException('Out-Of-Range bits detected'); |
|
| 421 | } |
|
| 422 | ||
| 423 | $this->bitset = substr($bitset, 0, -1) . $lastByteExpected; |
|
| 424 | } |
|
| 425 | ||
| 426 | $this->bitset = $bitset; |
|
| 427 | ||
| 428 | // reset the iterator position |
|
| 429 | $this->rewind(); |
|
| 430 | } |
|
| 431 | ||
| 432 | /** |
|
| 433 | * Get binary bitset in big-endian order |
|
