/usr/share/php/Icinga/Web/Dom/DomNodeIterator.php is in php-icinga 2.1.0-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
namespace Icinga\Web\Dom;
use DOMNode;
use IteratorIterator;
use RecursiveIterator;
/**
* Recursive iterator over a DOMNode
*
* Usage example:
* <code>
* <?php
*
* namespace Icinga\Example;
*
* use DOMDocument;
* use RecursiveIteratorIterator;
* use Icinga\Web\Dom\DomIterator;
*
* $doc = new DOMDocument();
* $doc->loadHTML(...);
* $dom = new RecursiveIteratorIterator(new DomNodeIterator($doc), RecursiveIteratorIterator::SELF_FIRST);
* foreach ($dom as $node) {
* ....
* }
* </code>
*/
class DomNodeIterator implements RecursiveIterator
{
/**
* The node's children
*
* @var IteratorIterator
*/
protected $children;
/**
* Create a new iterator over a DOMNode's children
*
* @param DOMNode $node
*/
public function __construct(DOMNode $node)
{
$this->children = new IteratorIterator($node->childNodes);
}
/**
* {@inheritdoc}
*/
public function current()
{
return $this->children->current();
}
/**
* {@inheritdoc}
*/
public function key()
{
return $this->children->key();
}
/**
* {@inheritdoc}
*/
public function next()
{
$this->children->next();
}
/**
* {@inheritdoc}
*/
public function rewind()
{
$this->children->rewind();
}
/**
* {@inheritdoc}
*/
public function valid()
{
return $this->children->valid();
}
/**
* {@inheritdoc}
*/
public function hasChildren()
{
return $this->current()->hasChildNodes();
}
/**
* {@inheritdoc}
* @return DomNodeIterator
*/
public function getChildren()
{
return new static($this->current());
}
}
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