Escaper.php in Zircon Profile 8

File

vendor/twig/twig/lib/Twig/Extension/Escaper.php

<?php

/*
 * This file is part of Twig.
 *
 * (c) 2009 Fabien Potencier
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
class Twig_Extension_Escaper extends Twig_Extension {
  protected $defaultStrategy;

  /**
   * Constructor.
   *
   * @param string|false|callable $defaultStrategy An escaping strategy
   *
   * @see setDefaultStrategy()
   */
  public function __construct($defaultStrategy = 'html') {
    $this
      ->setDefaultStrategy($defaultStrategy);
  }
  public function getTokenParsers() {
    return array(
      new Twig_TokenParser_AutoEscape(),
    );
  }
  public function getNodeVisitors() {
    return array(
      new Twig_NodeVisitor_Escaper(),
    );
  }
  public function getFilters() {
    return array(
      new Twig_SimpleFilter('raw', 'twig_raw_filter', array(
        'is_safe' => array(
          'all',
        ),
      )),
    );
  }

  /**
   * Sets the default strategy to use when not defined by the user.
   *
   * The strategy can be a valid PHP callback that takes the template
   * "filename" as an argument and returns the strategy to use.
   *
   * @param string|false|callable $defaultStrategy An escaping strategy
   */
  public function setDefaultStrategy($defaultStrategy) {

    // for BC
    if (true === $defaultStrategy) {
      @trigger_error('Using "true" as the default strategy is deprecated. Use "html" instead.', E_USER_DEPRECATED);
      $defaultStrategy = 'html';
    }
    if ('filename' === $defaultStrategy) {
      $defaultStrategy = array(
        'Twig_FileExtensionEscapingStrategy',
        'guess',
      );
    }
    $this->defaultStrategy = $defaultStrategy;
  }

  /**
   * Gets the default strategy to use when not defined by the user.
   *
   * @param string $filename The template "filename"
   *
   * @return string|false The default strategy to use for the template
   */
  public function getDefaultStrategy($filename) {

    // disable string callables to avoid calling a function named html or js,
    // or any other upcoming escaping strategy
    if (!is_string($this->defaultStrategy) && false !== $this->defaultStrategy) {
      return call_user_func($this->defaultStrategy, $filename);
    }
    return $this->defaultStrategy;
  }
  public function getName() {
    return 'escaper';
  }

}

/**
 * Marks a variable as being safe.
 *
 * @param string $string A PHP variable
 *
 * @return string
 */
function twig_raw_filter($string) {
  return $string;
}

Functions

Name	Description
twig_raw_filter	Marks a variable as being safe.

Classes

Name	Description
Twig_Extension_Escaper