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<?php |
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/** |
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* This file is part of SebastianFeldmann\Crontab. |
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* |
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* (c) Sebastian Feldmann <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace SebastianFeldmann\Crontab\Parser; |
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use SebastianFeldmann\Crontab\Parser; |
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/** |
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* Class Vixie |
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* The default cron implementation for most linux distributions. |
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* https://de.wikipedia.org/wiki/Cron |
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* |
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* @package SebastianFeldmann\Crontab |
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* @author Sebastian Feldmann <[email protected]> |
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* @link https://github.com/sebastianfeldmann/crontab |
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* @since Class available since Release 0.9.0 |
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*/ |
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class Vixie implements Parser |
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{ |
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/** |
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* Should the parser look for a year value. |
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* |
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* @var bool |
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*/ |
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private $expectYear; |
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/** |
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* Should the parser expect a user value. |
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* |
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* @var bool |
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*/ |
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private $expectUser; |
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/** |
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* Look for a year value. |
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* |
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* @param bool $bool |
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* @return \SebastianFeldmann\Crontab\Parser\Vixie |
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*/ |
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public function expectYear(bool $bool = true) |
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{ |
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$this->expectYear = $bool; |
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return $this; |
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} |
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/** |
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* Look for a user value. |
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* |
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* @param bool $bool |
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* @return \SebastianFeldmann\Crontab\Parser\Vixie |
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*/ |
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public function expectUser(bool $bool = true) |
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{ |
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$this->expectUser = $bool; |
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return $this; |
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} |
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/** |
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* Parse a crontab command row. |
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* |
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* @param string $row |
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* @return \SebastianFeldmann\Crontab\Parser\Result |
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*/ |
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public function parse(string $row): Result |
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{ |
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$row = trim($row); |
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$result = new Result(); |
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$data = preg_split('/\s+/', $row); |
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foreach ($this->getParts() as $index => $part) { |
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$result->$part = $data[$index]; |
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unset($data[$index]); |
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} |
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// we have to keep the original whitespaces within the command |
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$cmd = ''; |
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$spaces = preg_split('/[^\s]+/', $row); |
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foreach ($data as $index => $part) { |
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$cmd .= $part . $spaces[$index + 1]; |
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} |
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$result->command = trim($cmd); |
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return $result; |
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} |
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/** |
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* Return list of expected parts. |
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* |
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* @return array |
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*/ |
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protected function getParts() |
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{ |
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$parts = ['min', 'hour', 'day', 'month', 'dayOfWeek']; |
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if ($this->expectYear) { |
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$parts[] = 'year'; |
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} |
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if ($this->expectUser) { |
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$parts[] = 'user'; |
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} |
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return $parts; |
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} |
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} |
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