FM / Resource

/usr/share/php/Symfony/Component/Config/Resource/

/usr/share/php/Symfony/Component/Config/Resource

Name	Size	Mode	Actions
ClassExistenceResource.php	7059	0644	edit dl rm
ComposerResource.php	1584	0644	edit dl rm
DirectoryResource.php	2708	0644	edit dl rm
FileExistenceResource.php	1245	0644	edit dl rm
FileResource.php	1486	0644	edit dl rm
GlobResource.php	7652	0644	edit dl rm
ReflectionClassResource.php	9278	0644	edit dl rm
ResourceInterface.php	956	0644	edit dl rm
SelfCheckingResourceChecker.php	1376	0644	edit dl rm
SelfCheckingResourceInterface.php	779	0644	edit dl rm

Edit: /usr/share/php/Symfony/Component/Config/Resource/GlobResource.php (7652B)

<?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;

use Symfony\Component\Finder\Finder;
use Symfony\Component\Finder\Glob;

/**
 * GlobResource represents a set of resources stored on the filesystem.
 *
 * Only existence/removal is tracked (not mtimes.)
 *
 * @author Nicolas Grekas <p@tchwork.com>
 *
 * @final
 *
 * @implements \IteratorAggregate<string, \SplFileInfo>
 */
class GlobResource implements \IteratorAggregate, SelfCheckingResourceInterface
{
    private $prefix;
    private $pattern;
    private $recursive;
    private $hash;
    private $forExclusion;
    private $excludedPrefixes;
    private $globBrace;

/**
     * @param string $prefix    A directory prefix
     * @param string $pattern   A glob pattern
     * @param bool   $recursive Whether directories should be scanned recursively or not
     *
     * @throws \InvalidArgumentException
     */
    public function __construct(string $prefix, string $pattern, bool $recursive, bool $forExclusion = false, array $excludedPrefixes = [])
    {
        ksort($excludedPrefixes);
        $this->prefix = realpath($prefix) ?: (file_exists($prefix) ? $prefix : false);
        $this->pattern = $pattern;
        $this->recursive = $recursive;
        $this->forExclusion = $forExclusion;
        $this->excludedPrefixes = $excludedPrefixes;
        $this->globBrace = \defined('GLOB_BRACE') ? \GLOB_BRACE : 0;

if (false === $this->prefix) {
            throw new \InvalidArgumentException(sprintf('The path "%s" does not exist.', $prefix));
        }
    }

public function getPrefix(): string
    {
        return $this->prefix;
    }

public function __toString(): string
    {
        return 'glob.'.$this->prefix.(int) $this->recursive.$this->pattern.(int) $this->forExclusion.implode("\0", $this->excludedPrefixes);
    }

/**
     * {@inheritdoc}
     */
    public function isFresh(int $timestamp): bool
    {
        $hash = $this->computeHash();

if (null === $this->hash) {
            $this->hash = $hash;
        }

return $this->hash === $hash;
    }

/**
     * @internal
     */
    public function __sleep(): array
    {
        if (null === $this->hash) {
            $this->hash = $this->computeHash();
        }

return ['prefix', 'pattern', 'recursive', 'hash', 'forExclusion', 'excludedPrefixes'];
    }

/**
     * @internal
     */
    public function __wakeup(): void
    {
        $this->globBrace = \defined('GLOB_BRACE') ? \GLOB_BRACE : 0;
    }

public function getIterator(): \Traversable
    {
        if (!file_exists($this->prefix) || (!$this->recursive && '' === $this->pattern)) {
            return;
        }
        $prefix = str_replace('\\', '/', $this->prefix);
        $paths = null;

if (!str_starts_with($this->prefix, 'phar://') && !str_contains($this->pattern, '/**/')) {
            if ($this->globBrace || !str_contains($this->pattern, '{')) {
                $paths = glob($this->prefix.$this->pattern, \GLOB_NOSORT | $this->globBrace);
            } elseif (!str_contains($this->pattern, '\\') || !preg_match('/\\\\[,{}]/', $this->pattern)) {
                foreach ($this->expandGlob($this->pattern) as $p) {
                    $paths[] = glob($this->prefix.$p, \GLOB_NOSORT);
                }
                $paths = array_merge(...$paths);
            }
        }

if (null !== $paths) {
            natsort($paths);
            foreach ($paths as $path) {
                if ($this->excludedPrefixes) {
                    $normalizedPath = str_replace('\\', '/', $path);
                    do {
                        if (isset($this->excludedPrefixes[$dirPath = $normalizedPath])) {
                            continue 2;
                        }
                    } while ($prefix !== $dirPath && $dirPath !== $normalizedPath = \dirname($dirPath));
                }

if (is_file($path)) {
                    yield $path => new \SplFileInfo($path);
                }
                if (!is_dir($path)) {
                    continue;
                }
                if ($this->forExclusion) {
                    yield $path => new \SplFileInfo($path);
                    continue;
                }
                if (!$this->recursive || isset($this->excludedPrefixes[str_replace('\\', '/', $path)])) {
                    continue;
                }
                $files = iterator_to_array(new \RecursiveIteratorIterator(
                    new \RecursiveCallbackFilterIterator(
                        new \RecursiveDirectoryIterator($path, \FilesystemIterator::SKIP_DOTS | \FilesystemIterator::FOLLOW_SYMLINKS),
                        function (\SplFileInfo $file, $path) {
                            return !isset($this->excludedPrefixes[str_replace('\\', '/', $path)]) && '.' !== $file->getBasename()[0];
                        }
                    ),
                    \RecursiveIteratorIterator::LEAVES_ONLY
                ));
                uksort($files, 'strnatcmp');

foreach ($files as $path => $info) {
                    if ($info->isFile()) {
                        yield $path => $info;
                    }
                }
            }

return;
        }

if (!class_exists(Finder::class)) {
            throw new \LogicException(sprintf('Extended glob pattern "%s" cannot be used as the Finder component is not installed.', $this->pattern));
        }

$finder = new Finder();
        $regex = Glob::toRegex($this->pattern);
        if ($this->recursive) {
            $regex = substr_replace($regex, '(/|$)', -2, 1);
        }

$prefixLen = \strlen($this->prefix);
        foreach ($finder->followLinks()->sortByName()->in($this->prefix) as $path => $info) {
            $normalizedPath = str_replace('\\', '/', $path);
            if (!preg_match($regex, substr($normalizedPath, $prefixLen)) || !$info->isFile()) {
                continue;
            }
            if ($this->excludedPrefixes) {
                do {
                    if (isset($this->excludedPrefixes[$dirPath = $normalizedPath])) {
                        continue 2;
                    }
                } while ($prefix !== $dirPath && $dirPath !== $normalizedPath = \dirname($dirPath));
            }

yield $path => $info;
        }
    }

private function computeHash(): string
    {
        $hash = hash_init('md5');

foreach ($this->getIterator() as $path => $info) {
            hash_update($hash, $path."\n");
        }

return hash_final($hash);
    }

private function expandGlob(string $pattern): array
    {
        $segments = preg_split('/\{([^{}]*+)\}/', $pattern, -1, \PREG_SPLIT_DELIM_CAPTURE);
        $paths = [$segments[0]];
        $patterns = [];

for ($i = 1; $i < \count($segments); $i += 2) {
            $patterns = [];

foreach (explode(',', $segments[$i]) as $s) {
                foreach ($paths as $p) {
                    $patterns[] = $p.$s.$segments[1 + $i];
                }
            }

$paths = $patterns;
        }

$j = 0;
        foreach ($patterns as $i => $p) {
            if (str_contains($p, '{')) {
                $p = $this->expandGlob($p);
                array_splice($paths, $i + $j, 1, $p);
                $j += \count($p) - 1;
            }
        }

return $paths;
    }
}

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