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./othercms/croogo-4.0.7/vendor/symfony/config/Loader/Loader.php
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Config\Loader;

use
Symfony\Component\Config\Exception\LoaderLoadException;

/**
 * Loader is the abstract class used by all built-in loaders.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
abstract class Loader implements LoaderInterface
{
    protected
$resolver;

   
/**
     * {@inheritdoc}
     */
   
public function getResolver()
    {
        return
$this->resolver;
    }

   
/**
     * {@inheritdoc}
     */
   
public function setResolver(LoaderResolverInterface $resolver)
    {
       
$this->resolver = $resolver;
    }

   
/**
     * Imports a resource.
     *
     * @param mixed       $resource A resource
     * @param string|null $type     The resource type or null if unknown
     *
     * @return mixed
     */
   
public function import($resource, string $type = null)
    {
        return
$this->resolve($resource, $type)->load($resource, $type);
    }

   
/**
     * Finds a loader able to load an imported resource.
     *
     * @param mixed       $resource A resource
     * @param string|null $type     The resource type or null if unknown
     *
     * @return $this|LoaderInterface
     *
     * @throws LoaderLoadException If no loader is found
     */
   
public function resolve($resource, string $type = null)
    {
        if (
$this->supports($resource, $type)) {
            return
$this;
        }

       
$loader = null === $this->resolver ? false : $this->resolver->resolve($resource, $type);

        if (
false === $loader) {
            throw new
LoaderLoadException($resource, null, null, null, $type);
        }

        return
$loader;
    }
}