<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Finder\Comparator;
/**
* DateCompare compiles date comparisons.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class DateComparator extends Comparator
{
/**
* @param string $test A comparison string
*
* @throws \InvalidArgumentException If the test is not understood
*/
public function __construct($test)
{
if (!preg_match('#^\s*(==|!=|[<>]=?|after|since|before|until)?\s*(.+?)\s*$#i', $test, $matches)) {
throw new \InvalidArgumentException(sprintf('Don\'t understand "%s" as a date test.', $test));
}
try {
$date = new \DateTime($matches[2]);
$target = $date->format('U');
} catch (\Exception $e) {
throw new \InvalidArgumentException(sprintf('"%s" is not a valid date.', $matches[2]));
}
$operator = isset($matches[1]) ? $matches[1] : '==';
if ('since' === $operator || 'after' === $operator) {
$operator = '>';
}
if ('until' === $operator || 'before' === $operator) {
$operator = '<';
}
$this->setOperator($operator);
$this->setTarget($target);
}
}