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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\Event\FileEvent; |
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use Fabiang\ExceptionGenerator\FileLoopListener\ComposerJsonListener; |
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use Fabiang\ExceptionGenerator\FileLoopListener\PHPFileListener; |
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use Fabiang\ExceptionGenerator\Resolver\ComposerResolver; |
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use Fabiang\ExceptionGenerator\Resolver\NamespaceResolver; |
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use Symfony\Component\EventDispatcher\EventDispatcher; |
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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 RecursiveNamespaceResolver |
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{ |
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public function __construct(protected EventDispatcher $eventDispatcher) |
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{ |
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$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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$this->eventDispatcher->addSubscriber(new PHPFileListener(new NamespaceResolver())); |
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$this->eventDispatcher->addSubscriber(new ComposerJsonListener(new ComposerResolver())); |
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$this->eventDispatcher->addSubscriber(new GitDirectoryListener()); |
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$this->eventDispatcher->addSubscriber(new RootDirectoryListener()); |
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} |
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/** |
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* Run application. |
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*/ |
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public function resolveNamespace(string $path): ?string |
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{ |
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$namespace = null; |
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$eventDispatcher = $this->eventDispatcher; |
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// loop as long a break listener doesn't stop propagation or we have empty directories |
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// we iterate through directories up |
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$loopedPaths = []; |
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do { |
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$directory = $this->getDirectoryContents($path); |
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// loop over files/directories and check if a listener can find a namespace |
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foreach ($directory as $item) { |
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$namespaceEvent = new FileEvent($item); |
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$namespaceEvent->setLoopedDirectories($loopedPaths); |
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$eventDispatcher->dispatch($namespaceEvent, 'file.loop'); |
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// if a listener has found a namespace and because |
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// of its priority is want to cancel we break early |
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if ($namespaceEvent->isPropagationStopped()) { |
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$namespace = $namespaceEvent->getNamespace(); |
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break 2; |
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} |
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// save a possible found namespace for the next iteration |
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if ($namespaceEvent->getNamespace()) { |
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$namespace = $namespaceEvent->getNamespace(); |
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} |
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} |
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// we have found a namespace, so break early |
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if ($namespace) { |
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break; |
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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 === $breakEvent->isPropagationStopped()) { |
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break 2; |
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} |
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} |
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$loopedPaths[] = basename($path); |
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$path = dirname($path) !== 'vfs:' ? dirname($path) : 'vfs://'; |
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//break early cuz DirectoryIterator can't handle vfs root folder |
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} while (0 === count($directory) || $path !== 'vfs://'); |
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return $namespace; |
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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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* @psalm-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(): EventDispatcher |
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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
