<?php
/*
* This file is part of PharIo\Manifest.
*
* (c) Arne Blankerts <arne@blankerts.de>, Sebastian Heuer <sebastian@phpeople.de>, Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace PharIo\Manifest;
use DOMElement;
use DOMNodeList;
abstract class ElementCollection implements \Iterator {
/**
* @var DOMNodeList
*/
private $nodeList;
private $position;
/**
* ElementCollection constructor.
*
* @param DOMNodeList $nodeList
*/
public function __construct(DOMNodeList $nodeList) {
$this->nodeList = $nodeList;
$this->position = 0;
}
abstract public function current();
/**
* @return DOMElement
*/
protected function getCurrentElement() {
return $this->nodeList->item($this->position);
}
public function next() {
$this->position++;
}
public function key() {
return $this->position;
}
public function valid() {
return $this->position < $this->nodeList->length;
}
public function rewind() {
$this->position = 0;
}
}