BZFile.php
| 1 | <?php |
| 2 | /* |
| 3 | * |
| 4 | * JetBackup @ package |
| 5 | * Created By Idan Ben-Ezra |
| 6 | * |
| 7 | * Copyrights @ JetApps |
| 8 | * https://www.jetapps.com |
| 9 | * |
| 10 | **/ |
| 11 | namespace JetBackup\Archive\File; |
| 12 | |
| 13 | use JetBackup\Exception\ArchiveException; |
| 14 | |
| 15 | class BZFile extends File { |
| 16 | |
| 17 | private $_fd; |
| 18 | |
| 19 | public function __construct(string $filename, string $mode) { |
| 20 | parent::__construct($filename, $mode); |
| 21 | |
| 22 | if (!($this->_fd = @bzopen($filename, $mode))) |
| 23 | throw new ArchiveException('Could not open file: '.$filename); |
| 24 | } |
| 25 | |
| 26 | public function truncate($offset): bool { |
| 27 | throw new ArchiveException("gzip doesn't support 'truncate'"); |
| 28 | } |
| 29 | |
| 30 | public function eof(): bool { |
| 31 | return feof($this->_fd); |
| 32 | } |
| 33 | |
| 34 | public function read(int $length) { |
| 35 | return bzread($this->_fd, $length); |
| 36 | } |
| 37 | |
| 38 | public function write(string $data, int $length=null) { |
| 39 | return bzwrite($this->_fd, $data, $length); |
| 40 | } |
| 41 | |
| 42 | public function seek(int $offset, int $whence = SEEK_SET): int { |
| 43 | throw new ArchiveException("gzip doesn't support 'seek'"); |
| 44 | } |
| 45 | |
| 46 | public function tell(): int { |
| 47 | return ftell($this->_fd); |
| 48 | } |
| 49 | |
| 50 | public function flush() : bool { |
| 51 | return fflush($this->_fd); |
| 52 | } |
| 53 | |
| 54 | public function close(): bool { |
| 55 | if(!$this->_fd) return true; |
| 56 | $result = bzclose($this->_fd); |
| 57 | $this->_fd = null; |
| 58 | return $result; |
| 59 | } |
| 60 | } |