/usr/share/php/ApiGen/Tree.php is in php-apigen 4.1.2-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/**
* This file is part of the ApiGen (http://apigen.org)
*
* For the full copyright and license information, please view
* the file license.md that was distributed with this source code.
*/
namespace ApiGen;
use ApiGen\Reflection\ReflectionElement;
use ArrayObject;
use RecursiveArrayIterator;
use RecursiveIteratorIterator;
use RecursiveTreeIterator;
use RuntimeException;
class Tree extends RecursiveTreeIterator
{
/**
* Has a sibling on the same level.
*
* @var string
*/
const HAS_NEXT = '1';
/**
* Last item on the current level.
*
* @var string
*/
const LAST = '0';
/**
* @var ArrayObject
*/
private $reflections;
public function __construct(array $treePart, ArrayObject $reflections)
{
parent::__construct(
new RecursiveArrayIterator($treePart),
RecursiveTreeIterator::BYPASS_KEY,
NULL,
RecursiveIteratorIterator::SELF_FIRST
);
$this->setPrefixPart(RecursiveTreeIterator::PREFIX_END_HAS_NEXT, self::HAS_NEXT);
$this->setPrefixPart(RecursiveTreeIterator::PREFIX_END_LAST, self::LAST);
$this->rewind();
$this->reflections = $reflections;
}
/**
* @return bool
*/
public function hasSibling()
{
$prefix = $this->getPrefix();
return ! empty($prefix) && substr($prefix, -1) === self::HAS_NEXT;
}
/**
* @return ReflectionElement
*/
public function current()
{
$className = $this->key();
if ( ! isset($this->reflections[$className])) {
throw new RuntimeException(sprintf('Class "%s" is not in the reflection array', $className));
}
return $this->reflections[$className];
}
}
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