<?php

/**
 * Property list iterator. Do not instantiate this class directly.
 */
class HTMLPurifier_PropertyListIterator extends FilterIterator {
	
	/**
	 * @type int
	 */
	protected $l;
	/**
	 * @type string
	 */
	protected $filter;
	
	/**
	 *
	 * @param Iterator $iterator
	 *        	Array of data to iterate over
	 * @param string $filter
	 *        	Optional prefix to only allow values of
	 */
	public function __construct(Iterator $iterator, $filter = null) {
		parent::__construct ( $iterator );
		$this->l = strlen ( $filter );
		$this->filter = $filter;
	}
	
	/**
	 *
	 * @return bool
	 */
	public function accept() {
		$key = $this->getInnerIterator ()->key ();
		if (strncmp ( $key, $this->filter, $this->l ) !== 0) {
			return false;
		}
		return true;
	}
}

// vim: et sw=4 sts=4