migration symfony 5 4 (#300)

* symfony 5.4 (diff dev)

* symfony 5.4 (working)

* symfony 5.4 (update autoload)

* symfony 5.4 (remove swiftmailer mailer implementation)

* symfony 5.4 (php doc and split Global accessor class)


### Impacted packages:

composer require php:">=7.2.5 <8.0.0" symfony/console:5.4.* symfony/dotenv:5.4.* symfony/framework-bundle:5.4.* symfony/twig-bundle:5.4.* symfony/yaml:5.4.* --update-with-dependencies

composer require symfony/stopwatch:5.4.* symfony/web-profiler-bundle:5.4.* --dev --update-with-dependencies

lib/symfony/routing/Loader/Configurator/CollectionConfigurator.php

@@ -20,62 +20,106 @@ use Symfony\Component\Routing\RouteCollection;
 class CollectionConfigurator
 {
     use Traits\AddTrait;
+    use Traits\HostTrait;
     use Traits\RouteTrait;
 
     private $parent;
     private $parentConfigurator;
+    private $parentPrefixes;
+    private $host;
 
-    public function __construct(RouteCollection $parent, $name, self $parentConfigurator = null)
+    public function __construct(RouteCollection $parent, string $name, self $parentConfigurator = null, array $parentPrefixes = null)
     {
         $this->parent = $parent;
         $this->name = $name;
         $this->collection = new RouteCollection();
         $this->route = new Route('');
         $this->parentConfigurator = $parentConfigurator; // for GC control
+        $this->parentPrefixes = $parentPrefixes;
+    }
+
+    /**
+     * @return array
+     */
+    public function __sleep()
+    {
+        throw new \BadMethodCallException('Cannot serialize '.__CLASS__);
+    }
+
+    public function __wakeup()
+    {
+        throw new \BadMethodCallException('Cannot unserialize '.__CLASS__);
     }
 
     public function __destruct()
     {
-        $this->collection->addPrefix(rtrim($this->route->getPath(), '/'));
+        if (null === $this->prefixes) {
+            $this->collection->addPrefix($this->route->getPath());
+        }
+        if (null !== $this->host) {
+            $this->addHost($this->collection, $this->host);
+        }
+
         $this->parent->addCollection($this->collection);
     }
 
-    /**
-     * Adds a route.
-     *
-     * @param string $name
-     * @param string $path
-     *
-     * @return RouteConfigurator
-     */
-    final public function add($name, $path)
-    {
-        $this->collection->add($this->name.$name, $route = clone $this->route);
-
-        return new RouteConfigurator($this->collection, $route->setPath($path), $this->name, $this);
-    }
-
     /**
      * Creates a sub-collection.
-     *
-     * @return self
      */
-    final public function collection($name = '')
+    final public function collection(string $name = ''): self
     {
-        return new self($this->collection, $this->name.$name, $this);
+        return new self($this->collection, $this->name.$name, $this, $this->prefixes);
     }
 
     /**
      * Sets the prefix to add to the path of all child routes.
      *
-     * @param string $prefix
+     * @param string|array $prefix the prefix, or the localized prefixes
      *
      * @return $this
      */
-    final public function prefix($prefix)
+    final public function prefix($prefix): self
     {
-        $this->route->setPath($prefix);
+        if (\is_array($prefix)) {
+            if (null === $this->parentPrefixes) {
+                // no-op
+            } elseif ($missing = array_diff_key($this->parentPrefixes, $prefix)) {
+                throw new \LogicException(sprintf('Collection "%s" is missing prefixes for locale(s) "%s".', $this->name, implode('", "', array_keys($missing))));
+            } else {
+                foreach ($prefix as $locale => $localePrefix) {
+                    if (!isset($this->parentPrefixes[$locale])) {
+                        throw new \LogicException(sprintf('Collection "%s" with locale "%s" is missing a corresponding prefix in its parent collection.', $this->name, $locale));
+                    }
+
+                    $prefix[$locale] = $this->parentPrefixes[$locale].$localePrefix;
+                }
+            }
+            $this->prefixes = $prefix;
+            $this->route->setPath('/');
+        } else {
+            $this->prefixes = null;
+            $this->route->setPath($prefix);
+        }
 
         return $this;
     }
+
+    /**
+     * Sets the host to use for all child routes.
+     *
+     * @param string|array $host the host, or the localized hosts
+     *
+     * @return $this
+     */
+    final public function host($host): self
+    {
+        $this->host = $host;
+
+        return $this;
+    }
+
+    private function createRoute(string $path): Route
+    {
+        return (clone $this->route)->setPath($path);
+    }
 }