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<?php
namespace YOOtheme\GraphQL\Language\AST;
use YOOtheme\GraphQL\Utils\AST;
/**
* Class NodeList
*
* @package GraphQL\Utils
*/
class NodeList implements \ArrayAccess, \IteratorAggregate, \Countable
{
/**
* @var array
*/
private $nodes;
/**
* @param array $nodes
* @return static
*/
public static function create(array $nodes)
{
return new static($nodes);
}
/**
* NodeList constructor.
* @param array $nodes
*/
public function __construct(array $nodes)
{
$this->nodes = $nodes;
}
/**
* @param mixed $offset
* @return bool
*/
#[\ReturnTypeWillChange]
public function offsetExists($offset)
{
return isset($this->nodes[$offset]);
}
/**
* @param mixed $offset
* @return mixed
*/
#[\ReturnTypeWillChange]
public function offsetGet($offset)
{
$item = $this->nodes[$offset];
if (is_array($item) && isset($item['kind'])) {
$this->nodes[$offset] = $item = AST::fromArray($item);
}
return $item;
}
/**
* @param mixed $offset
* @param mixed $value
*/
#[\ReturnTypeWillChange]
public function offsetSet($offset, $value)
{
if (is_array($value) && isset($value['kind'])) {
$value = AST::fromArray($value);
}
$this->nodes[$offset] = $value;
}
/**
* @param mixed $offset
*/
#[\ReturnTypeWillChange]
public function offsetUnset($offset)
{
unset($this->nodes[$offset]);
}
/**
* @param int $offset
* @param int $length
* @param mixed $replacement
* @return NodeList
*/
public function splice($offset, $length, $replacement = null)
{
return new NodeList(array_splice($this->nodes, $offset, $length, $replacement));
}
/**
* @param $list
* @return NodeList
*/
public function merge($list)
{
if ($list instanceof NodeList) {
$list = $list->nodes;
}
return new NodeList(array_merge($this->nodes, $list));
}
/**
* @return \Generator
*/
#[\ReturnTypeWillChange]
public function getIterator()
{
$count = count($this->nodes);
for ($i = 0; $i < $count; $i++) {
yield $this->offsetGet($i);
}
}
/**
* @return int
*/
#[\ReturnTypeWillChange]
public function count()
{
return count($this->nodes);
}
}