LionsAd / service_container

            }

            // can it be handled by an extension?

            if (!$this->container->hasExtension($node->namespaceURI)) {

                $extensionNamespaces = array_filter(array_map(function ($ext) { return $ext->getNamespace(); }, $this->container->getExtensions()));

                throw new InvalidArgumentException(sprintf(

                    'There is no extension able to load the configuration for "%s" (in %s). Looked for namespace "%s", found %s',

                    $node->tagName,

                    $file,

                    $node->namespaceURI,

                    $extensionNamespaces ? sprintf('"%s"', implode('", "', $extensionNamespaces)) : 'none'

                ));

            }

        }

    }

                continue;

            }

            if (!$this->container->hasExtension($namespace)) {

                $extensionNamespaces = array_filter(array_map(function ($ext) { return $ext->getAlias(); }, $this->container->getExtensions()));

                throw new InvalidArgumentException(sprintf(

                    'There is no extension able to load the configuration for "%s" (in %s). Looked for namespace "%s", found %s',

                    $namespace,

                    $file,

                    $namespace,

                    $extensionNamespaces ? sprintf('"%s"', implode('", "', $extensionNamespaces)) : 'none'

                ));

            }

        }

        return $content;