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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Markup
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: TokenList.php 20277 2010-01-14 14:17:12Z kokx $
*/
/**
* @see Zend_Markup_Token
*/
require_once 'Zend/Markup/Token.php';
/**
* @category Zend
* @package Zend_Markup
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Markup_TokenList implements RecursiveIterator
{
/**
* Array of tokens
*
* @var array
*/
protected $_tokens = array();
/**
* Get the current token
*
* @return Zend_Markup_Token
*/
public function current()
{
return current($this->_tokens);
}
/**
* Get the children of the current token
*
* @return Zend_Markup_TokenList
*/
public function getChildren()
{
return current($this->_tokens)->getChildren();
}
/**
* Add a new child token
*
* @param Zend_Markup_Token $child
*
* @return void
*/
public function addChild(Zend_Markup_Token $child)
{
$this->_tokens[] = $child;
}
/**
* Check if the current token has children
*
* @return bool
*/
public function hasChildren()
{
return current($this->_tokens)->hasChildren();
}
/**
* Get the key of the current token
*
* @return int
*/
public function key()
{
return key($this->_tokens);
}
/**
* Go to the next token
*
* @return Zend_Markup_Token
*/
public function next()
{
return next($this->_tokens);
}
/**
* Rewind the iterator
*
* @return void
*/
public function rewind()
{
reset($this->_tokens);
}
/**
* Check if the element is valid
*
* @return void
*/
public function valid()
{
return $this->current() !== false;
}
}
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