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<?php |
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declare(strict_types=1); |
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namespace Doctrine\ORM\Mapping\Factory; |
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use Closure; |
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use InvalidArgumentException; |
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use const DIRECTORY_SEPARATOR; |
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use function call_user_func; |
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use function file_exists; |
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use function get_class; |
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use function gettype; |
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use function is_callable; |
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use function is_object; |
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use function ltrim; |
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use function spl_autoload_register; |
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use function sprintf; |
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use function str_replace; |
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use function strlen; |
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use function strpos; |
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use function substr; |
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class Autoloader |
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{ |
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/** |
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* Resolves ClassMetadata class name to a filename based on the following pattern. |
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* |
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* 1. Remove Metadata namespace from class name. |
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* 2. Remove namespace separators from remaining class name. |
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* 3. Return PHP filename from metadata-dir with the result from 2. |
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* |
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* @throws InvalidArgumentException |
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*/ |
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public static function resolveFile(string $metadataDir, string $metadataNamespace, string $className) : string |
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{ |
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if (strpos($className, $metadataNamespace) !== 0) { |
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throw new InvalidArgumentException( |
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sprintf('The class "%s" is not part of the metadata namespace "%s"', $className, $metadataNamespace) |
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); |
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} |
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// remove metadata namespace from class name |
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$classNameRelativeToMetadataNamespace = substr($className, strlen($metadataNamespace)); |
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// remove namespace separators from remaining class name |
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$fileName = str_replace('\\', '', $classNameRelativeToMetadataNamespace); |
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return $metadataDir . DIRECTORY_SEPARATOR . $fileName . '.php'; |
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} |
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/** |
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* Registers and returns autoloader callback for the given metadata dir and namespace. |
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* |
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* @param callable|null $notFoundCallback Invoked when the proxy file is not found. |
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* |
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* @throws InvalidArgumentException |
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*/ |
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public static function register( |
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string $metadataDir, |
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string $metadataNamespace, |
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?callable $notFoundCallback = null |
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) : Closure { |
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$metadataNamespace = ltrim($metadataNamespace, '\\'); |
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if (! ($notFoundCallback === null || is_callable($notFoundCallback))) { |
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$type = is_object($notFoundCallback) ? get_class($notFoundCallback) : gettype($notFoundCallback); |
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throw new InvalidArgumentException( |
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sprintf('Invalid \$notFoundCallback given: must be a callable, "%s" given', $type) |
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); |
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} |
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$autoloader = static function ($className) use ($metadataDir, $metadataNamespace, $notFoundCallback) { |
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if (strpos($className, $metadataNamespace) === 0) { |
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$file = Autoloader::resolveFile($metadataDir, $metadataNamespace, $className); |
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if ($notFoundCallback && ! file_exists($file)) { |
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call_user_func($notFoundCallback, $metadataDir, $metadataNamespace, $className); |
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} |
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require $file; |
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} |
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}; |
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spl_autoload_register($autoloader); |
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return $autoloader; |
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} |
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} |
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doctrine /
orm
