1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
<?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 static $operators = array( '!' => '!', 'not' => '!', '+' => '+', '-' => '-', );
public function __construct($operator, Node $node) { parent::__construct( array('node' => $node), array('operator' => $operator) ); }
public function compile(Compiler $compiler) { $compiler ->raw('(') ->raw(self::$operators[$this->attributes['operator']]) ->compile($this->nodes['node']) ->raw(')') ; }
public function evaluate($functions, $values) { $value = $this->nodes['node']->evaluate($functions, $values); switch ($this->attributes['operator']) { case 'not': case '!': return !$value; case '-': return -$value; }
return $value; } }
|