mirror of
https://github.com/renbaoshuo/S2OJ.git
synced 2024-11-10 06:38:41 +00:00
69 lines
1.5 KiB
PHP
69 lines
1.5 KiB
PHP
<?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;
|
|
|
|
/**
|
|
* @author Fabien Potencier <fabien@symfony.com>
|
|
*/
|
|
class Comparator
|
|
{
|
|
private string $target;
|
|
private string $operator;
|
|
|
|
public function __construct(string $target, string $operator = '==')
|
|
{
|
|
if (!\in_array($operator, ['>', '<', '>=', '<=', '==', '!='])) {
|
|
throw new \InvalidArgumentException(sprintf('Invalid operator "%s".', $operator));
|
|
}
|
|
|
|
$this->target = $target;
|
|
$this->operator = $operator;
|
|
}
|
|
|
|
/**
|
|
* Gets the target value.
|
|
*/
|
|
public function getTarget(): string
|
|
{
|
|
return $this->target;
|
|
}
|
|
|
|
/**
|
|
* Gets the comparison operator.
|
|
*/
|
|
public function getOperator(): string
|
|
{
|
|
return $this->operator;
|
|
}
|
|
|
|
/**
|
|
* Tests against the target.
|
|
*/
|
|
public function test(mixed $test): bool
|
|
{
|
|
switch ($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;
|
|
}
|
|
}
|