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<?php |
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/** |
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* Created by PhpStorm. |
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* User: batanov.pavel |
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* Date: 16.02.2016 |
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* Time: 9:23 |
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*/ |
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namespace Bankiru\Api\Rpc\Routing\Loader; |
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use Bankiru\Api\Rpc\Routing\Exception\CircularReferenceLoaderException; |
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use Bankiru\Api\Rpc\Routing\Exception\FileLoaderException; |
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use Bankiru\Api\Rpc\Routing\Exception\FileLoaderLoadException; |
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use Symfony\Component\Config\FileLocatorInterface; |
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abstract class FileLoader extends Loader |
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{ |
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/** @var array to track circular references */ |
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protected static $loading = []; |
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/** @var FileLocatorInterface */ |
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private $locator; |
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/** @var string */ |
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private $currentDir; |
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public function __construct(FileLocatorInterface $locator) |
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{ |
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$this->locator = $locator; |
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} |
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/** |
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* @param string $currentDir |
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*/ |
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public function setCurrentDir($currentDir) |
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{ |
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$this->currentDir = $currentDir; |
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} |
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/** |
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* Imports a resource. |
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* |
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* @param mixed $resource A Resource |
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* @param string|null $type The resource type or null if unknown |
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* @param bool $ignoreErrors Whether to ignore import errors or not |
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* @param string|null $sourceResource The original resource importing the new resource |
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* |
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* @return mixed |
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* @throws FileLoaderException |
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*/ |
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public function import($resource, $type = null, $ignoreErrors = false, $sourceResource = null) |
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{ |
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try { |
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$loader = $this->resolve($resource, $type); |
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if ($loader instanceof self && null !== $this->currentDir) { |
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$resource = $loader->getLocator()->locate($resource, $this->currentDir, false); |
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} |
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$resources = is_array($resource) ? $resource : [$resource]; |
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for ($i = 0; $i < $resourcesCount = count($resources); ++$i) { |
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if (isset(self::$loading[$resources[$i]])) { |
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if ($i == $resourcesCount - 1) { |
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throw CircularReferenceLoaderException::fromPaths(array_keys(self::$loading)); |
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} |
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} else { |
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$resource = $resources[$i]; |
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break; |
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} |
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} |
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self::$loading[$resource] = true; |
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try { |
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$ret = $loader->load($resource, $type); |
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} finally { |
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unset(self::$loading[$resource]); |
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} |
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return $ret; |
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} catch (CircularReferenceLoaderException $e) { |
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throw $e; |
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} catch (\Exception $e) { |
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if (!$ignoreErrors) { |
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// prevent embedded imports from nesting multiple exceptions |
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if ($e instanceof FileLoaderException) { |
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throw $e; |
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} |
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throw new FileLoaderLoadException($resource, $sourceResource, null, $e); |
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} |
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} |
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return null; |
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} |
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/** |
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* @return FileLocatorInterface |
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*/ |
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public function getLocator() |
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{ |
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return $this->locator; |
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} |
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} |
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bankiru /
rpc-server-bundle
