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<?php
namespace Bitrix\Main\Web\DOM;
/*
class NodeList extends \Bitrix\Main\Type\Dictionary implements \Traversable
{
public function item($index)
{
return $this->offsetGet($index);
}
public function haveItem(Node $item)
{
for($i = 0; $i < $this->count(); $i++)
{
if($item->isEqual($this->item($i)))
{
return true;
}
}
return false;
}
public function removeItem(Node $item)
{
for($i = 0; $i < $this->count(); $i++)
{
if($item === $this->item($i))
{
$this->offsetUnset($i);
break;
}
}
}
}
*/
class NodeList implements \Iterator {
protected $length = 0;
protected $position = 0;
protected $values = array();
public function __construct(array $values = null)
{
if($values === null)
{
$this->position = 0;
$this->set($values);
}
}
public function getLength()
{
return $this->length;
}
/*
* @return Node|null
*/
public function item($index)
{
if($this->valid($index))
{
return $this->values[$index];
}
return null;
}
public function set(array $values)
{
$this->values = array_values($values);
$this->length = count($this->values);
}
public function get()
{
return $this->values;
}
public function rewind()
{
$this->position = 0;
}
public function current()
{
return $this->values[$this->position];
}
public function key()
{
return $this->position;
}
public function next()
{
++$this->position;
}
public function valid($index = null)
{
if($index === null)
{
$index = $this->position;
}
return isset($this->values[$index]);
}
}