<?php
namespace MailPoetVendor\Symfony\Component\Finder\Iterator;
if (!defined('ABSPATH')) exit;
use MailPoetVendor\Symfony\Component\Finder\Exception\AccessDeniedException;
use MailPoetVendor\Symfony\Component\Finder\SplFileInfo;
class RecursiveDirectoryIterator extends \RecursiveDirectoryIterator
{
private $ignoreUnreadableDirs;
private $rewindable;
// these 3 properties take part of the performance optimization to avoid redoing the same work in all iterations
private $rootPath;
private $subPath;
private $directorySeparator = '/';
public function __construct(string $path, int $flags, bool $ignoreUnreadableDirs = \false)
{
if ($flags & (self::CURRENT_AS_PATHNAME | self::CURRENT_AS_SELF)) {
throw new \RuntimeException('This iterator only support returning current as fileinfo.');
}
parent::__construct($path, $flags);
$this->ignoreUnreadableDirs = $ignoreUnreadableDirs;
$this->rootPath = $path;
if ('/' !== \DIRECTORY_SEPARATOR && !($flags & self::UNIX_PATHS)) {
$this->directorySeparator = \DIRECTORY_SEPARATOR;
}
}
#[\ReturnTypeWillChange]
public function current()
{
// the logic here avoids redoing the same work in all iterations
if (null === ($subPathname = $this->subPath)) {
$subPathname = $this->subPath = $this->getSubPath();
}
if ('' !== $subPathname) {
$subPathname .= $this->directorySeparator;
}
$subPathname .= $this->getFilename();
if ('/' !== ($basePath = $this->rootPath)) {
$basePath .= $this->directorySeparator;
}
return new SplFileInfo($basePath . $subPathname, $this->subPath, $subPathname);
}
#[\ReturnTypeWillChange]
public function getChildren()
{
try {
$children = parent::getChildren();
if ($children instanceof self) {
// parent method will call the constructor with default arguments, so unreadable dirs won't be ignored anymore
$children->ignoreUnreadableDirs = $this->ignoreUnreadableDirs;
// performance optimization to avoid redoing the same work in all children
$children->rewindable =& $this->rewindable;
$children->rootPath = $this->rootPath;
}
return $children;
} catch (\UnexpectedValueException $e) {
if ($this->ignoreUnreadableDirs) {
// If directory is unreadable and finder is set to ignore it, a fake empty content is returned.
return new \RecursiveArrayIterator([]);
} else {
throw new AccessDeniedException($e->getMessage(), $e->getCode(), $e);
}
}
}
#[\ReturnTypeWillChange]
public function rewind()
{
if (\false === $this->isRewindable()) {
return;
}
parent::rewind();
}
public function isRewindable()
{
if (null !== $this->rewindable) {
return $this->rewindable;
}
if (\false !== ($stream = @\opendir($this->getPath()))) {
$infos = \stream_get_meta_data($stream);
\closedir($stream);
if ($infos['seekable']) {
return $this->rewindable = \true;
}
}
return $this->rewindable = \false;
}
}