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1 <?php 2 3 /* 4 * This file is part of Twig. 5 * 6 * (c) Fabien Potencier 7 * 8 * For the full copyright and license information, please view the LICENSE 9 * file that was distributed with this source code. 10 */ 11 12 namespace Twig; 13 14 use Twig\Node\Node; 15 16 /** 17 * Represents a template filter. 18 * 19 * @final 20 * 21 * @author Fabien Potencier <fabien@symfony.com> 22 */ 23 class TwigFilter 24 { 25 protected $name; 26 protected $callable; 27 protected $options; 28 protected $arguments = []; 29 30 public function __construct($name, $callable, array $options = []) 31 { 32 $this->name = $name; 33 $this->callable = $callable; 34 $this->options = array_merge([ 35 'needs_environment' => false, 36 'needs_context' => false, 37 'is_variadic' => false, 38 'is_safe' => null, 39 'is_safe_callback' => null, 40 'pre_escape' => null, 41 'preserves_safety' => null, 42 'node_class' => '\Twig\Node\Expression\FilterExpression', 43 'deprecated' => false, 44 'alternative' => null, 45 ], $options); 46 } 47 48 public function getName() 49 { 50 return $this->name; 51 } 52 53 public function getCallable() 54 { 55 return $this->callable; 56 } 57 58 public function getNodeClass() 59 { 60 return $this->options['node_class']; 61 } 62 63 public function setArguments($arguments) 64 { 65 $this->arguments = $arguments; 66 } 67 68 public function getArguments() 69 { 70 return $this->arguments; 71 } 72 73 public function needsEnvironment() 74 { 75 return $this->options['needs_environment']; 76 } 77 78 public function needsContext() 79 { 80 return $this->options['needs_context']; 81 } 82 83 public function getSafe(Node $filterArgs) 84 { 85 if (null !== $this->options['is_safe']) { 86 return $this->options['is_safe']; 87 } 88 89 if (null !== $this->options['is_safe_callback']) { 90 return \call_user_func($this->options['is_safe_callback'], $filterArgs); 91 } 92 } 93 94 public function getPreservesSafety() 95 { 96 return $this->options['preserves_safety']; 97 } 98 99 public function getPreEscape() 100 { 101 return $this->options['pre_escape']; 102 } 103 104 public function isVariadic() 105 { 106 return $this->options['is_variadic']; 107 } 108 109 public function isDeprecated() 110 { 111 return (bool) $this->options['deprecated']; 112 } 113 114 public function getDeprecatedVersion() 115 { 116 return $this->options['deprecated']; 117 } 118 119 public function getAlternative() 120 { 121 return $this->options['alternative']; 122 } 123 } 124 125 class_alias('Twig\TwigFilter', 'Twig_SimpleFilter'); 126 127 // Ensure that the aliased name is loaded to keep BC for classes implementing the typehint with the old aliased name. 128 class_exists('Twig\Node\Node');
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