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100 lines
3.4 KiB
100 lines
3.4 KiB
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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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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namespace Symfony\Component\Routing\Loader;
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use Symfony\Component\Config\Loader\Loader;
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use Symfony\Component\Config\Resource\FileResource;
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use Symfony\Component\Routing\RouteCollection;
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/**
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* A route loader that calls a method on an object to load the routes.
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*
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* @author Ryan Weaver <ryan@knpuniversity.com>
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*/
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abstract class ObjectRouteLoader extends Loader
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{
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/**
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* Returns the object that the method will be called on to load routes.
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*
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* For example, if your application uses a service container,
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* the $id may be a service id.
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*
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* @param string $id
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*
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* @return object
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*/
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abstract protected function getServiceObject($id);
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/**
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* Calls the service that will load the routes.
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*
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* @param mixed $resource Some value that will resolve to a callable
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* @param string|null $type The resource type
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*
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* @return RouteCollection
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*/
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public function load($resource, $type = null)
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{
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if (1 === substr_count($resource, ':')) {
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$resource = str_replace(':', '::', $resource);
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@trigger_error(sprintf('Referencing service route loaders with a single colon is deprecated since Symfony 4.1. Use %s instead.', $resource), E_USER_DEPRECATED);
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}
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$parts = explode('::', $resource);
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if (2 != \count($parts)) {
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throw new \InvalidArgumentException(sprintf('Invalid resource "%s" passed to the "service" route loader: use the format "service::method"', $resource));
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}
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$serviceString = $parts[0];
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$method = $parts[1];
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$loaderObject = $this->getServiceObject($serviceString);
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if (!\is_object($loaderObject)) {
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throw new \LogicException(sprintf('%s:getServiceObject() must return an object: %s returned', \get_class($this), \gettype($loaderObject)));
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}
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if (!\is_callable(array($loaderObject, $method))) {
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throw new \BadMethodCallException(sprintf('Method "%s" not found on "%s" when importing routing resource "%s"', $method, \get_class($loaderObject), $resource));
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}
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$routeCollection = \call_user_func(array($loaderObject, $method), $this);
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if (!$routeCollection instanceof RouteCollection) {
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$type = \is_object($routeCollection) ? \get_class($routeCollection) : \gettype($routeCollection);
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throw new \LogicException(sprintf('The %s::%s method must return a RouteCollection: %s returned', \get_class($loaderObject), $method, $type));
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}
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// make the service file tracked so that if it changes, the cache rebuilds
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$this->addClassResource(new \ReflectionClass($loaderObject), $routeCollection);
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return $routeCollection;
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}
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/**
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* {@inheritdoc}
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*/
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public function supports($resource, $type = null)
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{
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return 'service' === $type;
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}
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private function addClassResource(\ReflectionClass $class, RouteCollection $collection)
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{
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do {
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if (is_file($class->getFileName())) {
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$collection->addResource(new FileResource($class->getFileName()));
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}
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} while ($class = $class->getParentClass());
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}
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}
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