107 lines
1.8 KiB
PHP
107 lines
1.8 KiB
PHP
<?php
|
|
/* Icinga Web 2 | (c) 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());
|
|
}
|
|
}
|