Viewing file:  VcsIgnoredFilterIterator.php (3.91 KB) -rwxrwxr-x
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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\Finder\Iterator;
use Symfony\Component\Finder\Gitignore;
final class VcsIgnoredFilterIterator extends \FilterIterator
{
/**
* @var string
*/
private $baseDir;
/**
* @var array<string, array{0: string, 1: string}|null>
*/
private $gitignoreFilesCache = [];
/**
* @var array<string, bool>
*/
private $ignoredPathsCache = [];
public function __construct(\Iterator $iterator, string $baseDir)
{
$this->baseDir = $this->normalizePath($baseDir);
parent::__construct($iterator);
}
public function accept(): bool
{
$file = $this->current();
$fileRealPath = $this->normalizePath($file->getRealPath());
return !$this->isIgnored($fileRealPath);
}
private function isIgnored(string $fileRealPath): bool
{
if (is_dir($fileRealPath) && !str_ends_with($fileRealPath, '/')) {
$fileRealPath .= '/';
}
if (isset($this->ignoredPathsCache[$fileRealPath])) {
return $this->ignoredPathsCache[$fileRealPath];
}
$ignored = false;
foreach ($this->parentsDirectoryDownward($fileRealPath) as $parentDirectory) {
if ($this->isIgnored($parentDirectory)) {
// rules in ignored directories are ignored, no need to check further.
break;
}
$fileRelativePath = substr($fileRealPath, \strlen($parentDirectory) + 1);
if (null === $regexps = $this->readGitignoreFile("{$parentDirectory}/.gitignore")) {
continue;
}
[$exclusionRegex, $inclusionRegex] = $regexps;
if (preg_match($exclusionRegex, $fileRelativePath)) {
$ignored = true;
continue;
}
if (preg_match($inclusionRegex, $fileRelativePath)) {
$ignored = false;
}
}
return $this->ignoredPathsCache[$fileRealPath] = $ignored;
}
/**
* @return list<string>
*/
private function parentsDirectoryDownward(string $fileRealPath): array
{
$parentDirectories = [];
$parentDirectory = $fileRealPath;
while (true) {
$newParentDirectory = \dirname($parentDirectory);
// dirname('/') = '/'
if ($newParentDirectory === $parentDirectory) {
break;
}
$parentDirectory = $newParentDirectory;
if (0 !== strpos($parentDirectory, $this->baseDir)) {
break;
}
$parentDirectories[] = $parentDirectory;
}
return array_reverse($parentDirectories);
}
/**
* @return array{0: string, 1: string}|null
*/
private function readGitignoreFile(string $path): ?array
{
if (\array_key_exists($path, $this->gitignoreFilesCache)) {
return $this->gitignoreFilesCache[$path];
}
if (!file_exists($path)) {
return $this->gitignoreFilesCache[$path] = null;
}
if (!is_file($path) || !is_readable($path)) {
throw new \RuntimeException("The \"ignoreVCSIgnored\" option cannot be used by the Finder as the \"{$path}\" file is not readable.");
}
$gitignoreFileContent = file_get_contents($path);
return $this->gitignoreFilesCache[$path] = [
Gitignore::toRegex($gitignoreFileContent),
Gitignore::toRegexMatchingNegatedPatterns($gitignoreFileContent),
];
}
private function normalizePath(string $path): string
{
if ('\\' === \DIRECTORY_SEPARATOR) {
return str_replace('\\', '/', $path);
}
return $path;
}
}
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