<?php
declare (strict_types=1);
namespace MailPoetVendor\Doctrine\ORM\Query;
if (!defined('ABSPATH')) exit;
use ArrayAccess;
use MailPoetVendor\Doctrine\ORM\AbstractQuery;
use Iterator;
use ReturnTypeWillChange;
use function key;
use function next;
use function reset;
class TreeWalkerChainIterator implements Iterator, ArrayAccess
{
private $walkers = [];
private $treeWalkerChain;
private $query;
private $parserResult;
public function __construct(TreeWalkerChain $treeWalkerChain, $query, $parserResult)
{
$this->treeWalkerChain = $treeWalkerChain;
$this->query = $query;
$this->parserResult = $parserResult;
}
#[\ReturnTypeWillChange]
public function rewind()
{
return reset($this->walkers);
}
#[\ReturnTypeWillChange]
public function current()
{
return $this->offsetGet(key($this->walkers));
}
#[\ReturnTypeWillChange]
public function key()
{
return key($this->walkers);
}
#[\ReturnTypeWillChange]
public function next()
{
next($this->walkers);
return $this->offsetGet(key($this->walkers));
}
#[\ReturnTypeWillChange]
public function valid()
{
return key($this->walkers) !== null;
}
#[\ReturnTypeWillChange]
public function offsetExists($offset)
{
return isset($this->walkers[$offset ?? '']);
}
#[\ReturnTypeWillChange]
public function offsetGet($offset)
{
if ($this->offsetExists($offset)) {
return new $this->walkers[$offset]($this->query, $this->parserResult, $this->treeWalkerChain->getQueryComponents());
}
return null;
}
#[\ReturnTypeWillChange]
public function offsetSet($offset, $value)
{
if ($offset === null) {
$this->walkers[] = $value;
} else {
$this->walkers[$offset] = $value;
}
}
#[\ReturnTypeWillChange]
public function offsetUnset($offset)
{
if ($this->offsetExists($offset)) {
unset($this->walkers[$offset ?? '']);
}
}
}