BaseComparator.php

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<?php
declare(strict_types=1);

namespace ILIAS\Filesystem\Finder\Comparator;

abstract class BaseComparator
{
    private $target = '';

    private $operator = '==';

    public function getTarget() : string
    {
        return $this->target;
    }

    public function setTarget(string $target)
    {
        $this->target = $target;
    }

    public function getOperator() : string
    {
        return $this->operator;
    }

    public function setOperator(string $operator)
    {
        if (0 === strlen($operator)) {
            $operator = '==';
        }

        if (!in_array($operator, ['>', '<', '>=', '<=', '==', '!='])) {
            throw new \InvalidArgumentException(sprintf('Invalid operator "%s".', $operator));
        }

        $this->operator = $operator;
    }

    public function test(string $test) : bool
    {
        switch ($this->operator) {
            case '>':
                return $test > $this->target;

            case '>=':
                return $test >= $this->target;

            case '<':
                return $test < $this->target;

            case '<=':
                return $test <= $this->target;

            case '!=':
                return $test != $this->target;
        }

        return $test == $this->target;
    }
}