Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\Finder\Comparator;
Chris@0: 
Chris@0: /**
Chris@0:  * Comparator.
Chris@0:  *
Chris@0:  * @author Fabien Potencier <fabien@symfony.com>
Chris@0:  */
Chris@0: class Comparator
Chris@0: {
Chris@0:     private $target;
Chris@0:     private $operator = '==';
Chris@0: 
Chris@0:     /**
Chris@0:      * Gets the target value.
Chris@0:      *
Chris@0:      * @return string The target value
Chris@0:      */
Chris@0:     public function getTarget()
Chris@0:     {
Chris@0:         return $this->target;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Sets the target value.
Chris@0:      *
Chris@0:      * @param string $target The target value
Chris@0:      */
Chris@0:     public function setTarget($target)
Chris@0:     {
Chris@0:         $this->target = $target;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Gets the comparison operator.
Chris@0:      *
Chris@0:      * @return string The operator
Chris@0:      */
Chris@0:     public function getOperator()
Chris@0:     {
Chris@0:         return $this->operator;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Sets the comparison operator.
Chris@0:      *
Chris@0:      * @param string $operator A valid operator
Chris@0:      *
Chris@0:      * @throws \InvalidArgumentException
Chris@0:      */
Chris@0:     public function setOperator($operator)
Chris@0:     {
Chris@0:         if (!$operator) {
Chris@0:             $operator = '==';
Chris@0:         }
Chris@0: 
Chris@17:         if (!\in_array($operator, ['>', '<', '>=', '<=', '==', '!='])) {
Chris@0:             throw new \InvalidArgumentException(sprintf('Invalid operator "%s".', $operator));
Chris@0:         }
Chris@0: 
Chris@0:         $this->operator = $operator;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Tests against the target.
Chris@0:      *
Chris@0:      * @param mixed $test A test value
Chris@0:      *
Chris@0:      * @return bool
Chris@0:      */
Chris@0:     public function test($test)
Chris@0:     {
Chris@0:         switch ($this->operator) {
Chris@0:             case '>':
Chris@0:                 return $test > $this->target;
Chris@0:             case '>=':
Chris@0:                 return $test >= $this->target;
Chris@0:             case '<':
Chris@0:                 return $test < $this->target;
Chris@0:             case '<=':
Chris@0:                 return $test <= $this->target;
Chris@0:             case '!=':
Chris@0:                 return $test != $this->target;
Chris@0:         }
Chris@0: 
Chris@0:         return $test == $this->target;
Chris@0:     }
Chris@0: }