67 lines
1.5 KiB
PHP
67 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\ExpressionLanguage\Node;
|
|
|
|
use Symfony\Component\ExpressionLanguage\Compiler;
|
|
|
|
/**
|
|
* @author Fabien Potencier <fabien@symfony.com>
|
|
*
|
|
* @internal
|
|
*/
|
|
class UnaryNode extends Node
|
|
{
|
|
private const OPERATORS = [
|
|
'!' => '!',
|
|
'not' => '!',
|
|
'+' => '+',
|
|
'-' => '-',
|
|
];
|
|
|
|
public function __construct(string $operator, Node $node)
|
|
{
|
|
parent::__construct(
|
|
['node' => $node],
|
|
['operator' => $operator]
|
|
);
|
|
}
|
|
|
|
public function compile(Compiler $compiler)
|
|
{
|
|
$compiler
|
|
->raw('(')
|
|
->raw(self::OPERATORS[$this->attributes['operator']])
|
|
->compile($this->nodes['node'])
|
|
->raw(')')
|
|
;
|
|
}
|
|
|
|
public function evaluate(array $functions, array $values)
|
|
{
|
|
$value = $this->nodes['node']->evaluate($functions, $values);
|
|
switch ($this->attributes['operator']) {
|
|
case 'not':
|
|
case '!':
|
|
return !$value;
|
|
case '-':
|
|
return -$value;
|
|
}
|
|
|
|
return $value;
|
|
}
|
|
|
|
public function toArray(): array
|
|
{
|
|
return ['(', $this->attributes['operator'].' ', $this->nodes['node'], ')'];
|
|
}
|
|
}
|