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<?php |
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declare(strict_types=1); |
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namespace Fabiang\ExceptionGenerator\Generator; |
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use DirectoryIterator; |
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use Fabiang\ExceptionGenerator\BreakListener\GitDirectoryListener; |
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use Fabiang\ExceptionGenerator\BreakListener\RootDirectoryListener; |
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use Fabiang\ExceptionGenerator\DirLoopListener\ExceptionDirListener; |
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use Fabiang\ExceptionGenerator\Event\FileEvent; |
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use Symfony\Component\EventDispatcher\EventDispatcherInterface; |
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use function basename; |
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use function count; |
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use function dirname; |
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class RecursiveParentExceptionResolver |
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{ |
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private const VFSSTREAM_PREFIX = 'vfs:'; |
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private const VFSSTREAM_URL = self::VFSSTREAM_PREFIX . '//'; |
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public function __construct(protected EventDispatcherInterface $eventDispatcher) |
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{ |
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$this->eventDispatcher = $eventDispatcher; |
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$this->registerDefaultListeners(); |
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} |
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/** |
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* Register default listeners |
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*/ |
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private function registerDefaultListeners(): void |
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{ |
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$this->eventDispatcher->addSubscriber(new GitDirectoryListener()); |
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$this->eventDispatcher->addSubscriber(new RootDirectoryListener()); |
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$this->eventDispatcher->addSubscriber(new ExceptionDirListener()); |
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} |
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/** |
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* Returns an array containing arrays with parent exception folder and its namespace |
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*/ |
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public function resolveExceptionDirs(string $path): ?array |
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{ |
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$exceptionDirArray = null; |
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$eventDispatcher = $this->eventDispatcher; |
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$loopedPaths = [basename($path)]; |
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$path = dirname($path); |
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// loop as long a break listener doesn't stop propagation or we have empty directories |
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// we iterate through directories up |
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do { |
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$directory = $this->getDirectoryContents($path); |
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// loop over files/directories and check if the listener can find an exception directory |
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foreach ($directory as $item) { |
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$exceptionDirectoryEvent = new FileEvent($item); |
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$eventDispatcher->dispatch($exceptionDirectoryEvent, 'dir.loop'); |
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//break early, cuz one exception directory can only appear once |
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if ($exceptionDirectoryEvent->isPropagationStopped()) { |
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$exceptionDirArray[] = $exceptionDirectoryEvent->getParentExceptionDir(); |
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break; |
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} |
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} |
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// check for listeners that check if the path iteration loop should be stopped |
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foreach ($directory as $item) { |
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$breakEvent = new FileEvent($item); |
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$eventDispatcher->dispatch($breakEvent, 'file.break'); |
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if (true === $breakEvent->isPropagationStopped()) { |
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break 2; |
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} |
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} |
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$path = dirname($path) !== static::VFSSTREAM_PREFIX ? dirname($path) : static::VFSSTREAM_URL; |
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$loopedPaths[] = basename($path); |
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//break early cuz DirectoryIterator can't handle vfs root folder |
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} while (0 === count($directory) || $path !== static::VFSSTREAM_URL); |
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return $exceptionDirArray; |
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} |
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/** |
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* Get directory contents without dot files. |
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* |
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* @return array<int, DirectoryIterator> |
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*/ |
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private function getDirectoryContents(string $path): iterable |
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{ |
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$directory = new DirectoryIterator($path); |
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$items = []; |
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foreach ($directory as $item) { |
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if (! $item->isDot()) { |
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$items[] = clone $item; |
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} |
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} |
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return $items; |
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} |
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public function getEventDispatcher(): EventDispatcherInterface |
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{ |
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return $this->eventDispatcher; |
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} |
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} |
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fabiang /
exception-generator
