SimpleFilter.php

<?php

/*
 * This file is part of Twig.
 *
 * (c) 2009-2012 Fabien Potencier
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Represents a template filter.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class Twig_SimpleFilter {
  protected $name;
  protected $callable;
  protected $options;
  protected $arguments = array();
  public function __construct($name, $callable, array $options = array()) {
    $this->name = $name;
    $this->callable = $callable;
    $this->options = array_merge(array(
      'needs_environment' => false,
      'needs_context' => false,
      'is_safe' => null,
      'is_safe_callback' => null,
      'pre_escape' => null,
      'preserves_safety' => null,
      'node_class' => 'Twig_Node_Expression_Filter',
    ), $options);
  }
  public function getName() {
    return $this->name;
  }
  public function getCallable() {
    return $this->callable;
  }
  public function getNodeClass() {
    return $this->options['node_class'];
  }
  public function setArguments($arguments) {
    $this->arguments = $arguments;
  }
  public function getArguments() {
    return $this->arguments;
  }
  public function needsEnvironment() {
    return $this->options['needs_environment'];
  }
  public function needsContext() {
    return $this->options['needs_context'];
  }
  public function getSafe(Twig_Node $filterArgs) {
    if (null !== $this->options['is_safe']) {
      return $this->options['is_safe'];
    }
    if (null !== $this->options['is_safe_callback']) {
      return call_user_func($this->options['is_safe_callback'], $filterArgs);
    }
    return null;
  }
  public function getPreservesSafety() {
    return $this->options['preserves_safety'];
  }
  public function getPreEscape() {
    return $this->options['pre_escape'];
  }

}