74 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			74 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?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 ObjectLoader 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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    abstract protected function getObject(string $id): object;
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    /**
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     * Calls the object method that will load the routes.
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     */
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    public function load(mixed $resource, ?string $type = null): RouteCollection
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    {
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        if (!preg_match('/^[^\:]+(?:::(?:[^\:]+))?$/', $resource)) {
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            throw new \InvalidArgumentException(\sprintf('Invalid resource "%s" passed to the %s route loader: use the format "object_id::method" or "object_id" if your object class has an "__invoke" method.', $resource, \is_string($type) ? '"'.$type.'"' : 'object'));
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        }
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        $parts = explode('::', $resource);
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        $method = $parts[1] ?? '__invoke';
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        $loaderObject = $this->getObject($parts[0]);
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        if (!\is_callable([$loaderObject, $method])) {
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            throw new \BadMethodCallException(\sprintf('Method "%s" not found on "%s" when importing routing resource "%s".', $method, get_debug_type($loaderObject), $resource));
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        }
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        $routeCollection = $loaderObject->$method($this, $this->env);
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        if (!$routeCollection instanceof RouteCollection) {
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            $type = get_debug_type($routeCollection);
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            throw new \LogicException(\sprintf('The "%s::%s()" method must return a RouteCollection: "%s" returned.', get_debug_type($loaderObject), $method, $type));
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        }
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        // make the object 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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    private function addClassResource(\ReflectionClass $class, RouteCollection $collection): void
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    {
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        do {
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            if (is_file($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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