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- <?php
- /*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
- namespace Symfony\Component\Config\Resource;
- /**
- * DirectoryResource represents a resources stored in a subdirectory tree.
- *
- * @author Fabien Potencier <fabien@symfony.com>
- *
- * @final
- */
- class DirectoryResource implements SelfCheckingResourceInterface
- {
- private $resource;
- private $pattern;
- /**
- * @param string $resource The file path to the resource
- * @param string|null $pattern A pattern to restrict monitored files
- *
- * @throws \InvalidArgumentException
- */
- public function __construct(string $resource, ?string $pattern = null)
- {
- $this->resource = realpath($resource) ?: (file_exists($resource) ? $resource : false);
- $this->pattern = $pattern;
- if (false === $this->resource || !is_dir($this->resource)) {
- throw new \InvalidArgumentException(sprintf('The directory "%s" does not exist.', $resource));
- }
- }
- public function __toString(): string
- {
- return md5(serialize([$this->resource, $this->pattern]));
- }
- public function getResource(): string
- {
- return $this->resource;
- }
- public function getPattern(): ?string
- {
- return $this->pattern;
- }
- /**
- * {@inheritdoc}
- */
- public function isFresh(int $timestamp): bool
- {
- if (!is_dir($this->resource)) {
- return false;
- }
- if ($timestamp < filemtime($this->resource)) {
- return false;
- }
- foreach (new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($this->resource), \RecursiveIteratorIterator::SELF_FIRST) as $file) {
- // if regex filtering is enabled only check matching files
- if ($this->pattern && $file->isFile() && !preg_match($this->pattern, $file->getBasename())) {
- continue;
- }
- // always monitor directories for changes, except the .. entries
- // (otherwise deleted files wouldn't get detected)
- if ($file->isDir() && str_ends_with($file, '/..')) {
- continue;
- }
- // for broken links
- try {
- $fileMTime = $file->getMTime();
- } catch (\RuntimeException $e) {
- continue;
- }
- // early return if a file's mtime exceeds the passed timestamp
- if ($timestamp < $fileMTime) {
- return false;
- }
- }
- return true;
- }
- }
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