<?php

namespace Symfony\Components\OutputEscaper;

/*
 * This file is part of the symfony package.
 *
 * (c) Fabien Potencier <fabien.potencier@symfony-project.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Marks a variable as being safe for output.
 *
 * @package    symfony
 * @subpackage output_escaper
 * @author     Fabien Potencier <fabien.potencier@symfony-project.com>
 */
class Safe extends \ArrayIterator
{
  protected
    $value = null;

  /**
   * Constructor.
   *
   * @param mixed $value  The value to mark as safe
   */
  public function __construct($value)
  {
    $this->value = $value;

    if (is_array($value) || is_object($value))
    {
      parent::__construct($value);
    }
  }

  public function __toString()
  {
    return (string) $this->value;
  }

  public function __get($key)
  {
    return $this->value->$key;
  }

  public function __set($key, $value)
  {
    $this->value->$key = $value;
  }

  public function __call($method, $arguments)
  {
    return call_user_func_array(array($this->value, $method), $arguments);
  }

  public function __isset($key)
  {
    return isset($this->value->$key);
  }

  public function __unset($key)
  {
    unset($this->value->$key);
  }

  /**
   * Returns the embedded value.
   *
   * @return mixed The embedded value
   */
  public function getValue()
  {
    return $this->value;
  }
}