You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
66 lines
1.5 KiB
66 lines
1.5 KiB
<?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'], ')']; |
|
} |
|
}
|
|
|