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<?php |
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/** |
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* This file is part of the silex-annotation-provider package. |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* @license MIT License |
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* @copyright (c) 2018, Dana Desrosiers <[email protected]> |
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*/ |
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declare(strict_types=1); |
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namespace DDesrosiers\SilexAnnotations; |
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/** |
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* Class ControllerFinder searches file directories for potential Controller classes. |
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* |
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* @author Dana Desrosiers <[email protected]> |
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*/ |
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class ControllerFinder |
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{ |
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/** @var null|string */ |
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private $controllerDir; |
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/** @var string[] */ |
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private $controllers; |
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/** |
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* ControllerFinder constructor. |
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* |
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* @param string|null $controllerDir |
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* @param string[] $controllers |
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*/ |
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public function __construct(string $controllerDir = null, array $controllers = []) |
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{ |
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$this->controllerDir = $controllerDir; |
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$this->controllers = $controllers; |
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} |
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/** |
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* @return string[] |
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*/ |
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public function getControllerClasses(): array |
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{ |
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$controllers = isset($this->controllerDir) ? $this->getClassesInDirectory($this->controllerDir) : []; |
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return array_merge($controllers, $this->controllers); |
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} |
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/** |
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* Recursively walk the file tree starting from $dir to find potential controller class files. |
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* Returns array of fully qualified class names. |
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* Namespace detection works with PSR-0 or PSR-4 autoloading. |
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* |
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* @param string $dir |
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* @param string $namespace |
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* @param string[] $files |
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* @return string[] |
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*/ |
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private function getClassesInDirectory(string $dir, string $namespace = '', $files = []): array |
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{ |
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if (!is_dir($dir)) { |
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throw new \RuntimeException("Controller directory: {$dir} does not exist."); |
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} |
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if ($handle = opendir($dir)) { |
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while (false !== ($entry = readdir($handle))) { |
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if (!in_array($entry, array('.', '..'))) { |
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$filePath = "$dir/$entry"; |
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if (is_dir($filePath)) { |
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$subNamespace = $namespace ? $namespace."$entry\\" : ''; |
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$files = $this->getClassesInDirectory($filePath, $subNamespace, $files); |
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} else { |
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if (!$namespace) { |
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$namespace = $this->parseNamespace($filePath); |
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} |
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$className = trim($namespace.pathinfo($entry)['filename']); |
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if (class_exists($className)) { |
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$files[] = $className; |
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} |
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} |
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} |
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} |
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closedir($handle); |
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} |
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return $files; |
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} |
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/** |
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* Parse the given file to find the namespace. |
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* |
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* @param $filePath |
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* @return string |
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*/ |
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private function parseNamespace($filePath): string |
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{ |
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preg_match('/namespace(.*);/', file_get_contents($filePath), $result); |
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return isset($result[1]) ? $result[1] . "\\" : ''; |
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} |
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} |
danadesrosiers /
silex-annotation-provider
