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msd2/phpBB3/vendor/symfony/http-kernel/Fragment/RoutableFragmentRenderer.php

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+<?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\HttpKernel\Fragment;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\Controller\ControllerReference;
+use Symfony\Component\HttpKernel\EventListener\FragmentListener;
+
+/**
+ * Adds the possibility to generate a fragment URI for a given Controller.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+abstract class RoutableFragmentRenderer implements FragmentRendererInterface
+{
+    private $fragmentPath = '/_fragment';
+
+    /**
+     * Sets the fragment path that triggers the fragment listener.
+     *
+     * @param string $path The path
+     *
+     * @see FragmentListener
+     */
+    public function setFragmentPath($path)
+    {
+        $this->fragmentPath = $path;
+    }
+
+    /**
+     * Generates a fragment URI for a given controller.
+     *
+     * @param ControllerReference $reference A ControllerReference instance
+     * @param Request             $request   A Request instance
+     * @param bool                $absolute  Whether to generate an absolute URL or not
+     * @param bool                $strict    Whether to allow non-scalar attributes or not
+     *
+     * @return string A fragment URI
+     */
+    protected function generateFragmentUri(ControllerReference $reference, Request $request, $absolute = false, $strict = true)
+    {
+        if ($strict) {
+            $this->checkNonScalar($reference->attributes);
+        }
+
+        // We need to forward the current _format and _locale values as we don't have
+        // a proper routing pattern to do the job for us.
+        // This makes things inconsistent if you switch from rendering a controller
+        // to rendering a route if the route pattern does not contain the special
+        // _format and _locale placeholders.
+        if (!isset($reference->attributes['_format'])) {
+            $reference->attributes['_format'] = $request->getRequestFormat();
+        }
+        if (!isset($reference->attributes['_locale'])) {
+            $reference->attributes['_locale'] = $request->getLocale();
+        }
+
+        $reference->attributes['_controller'] = $reference->controller;
+
+        $reference->query['_path'] = http_build_query($reference->attributes, '', '&');
+
+        $path = $this->fragmentPath.'?'.http_build_query($reference->query, '', '&');
+
+        if ($absolute) {
+            return $request->getUriForPath($path);
+        }
+
+        return $request->getBaseUrl().$path;
+    }
+
+    private function checkNonScalar($values)
+    {
+        foreach ($values as $key => $value) {
+            if (\is_array($value)) {
+                $this->checkNonScalar($value);
+            } elseif (!is_scalar($value) && null !== $value) {
+                throw new \LogicException(sprintf('Controller attributes cannot contain non-scalar/non-null values (value for key "%s" is not a scalar or null).', $key));
+            }
+        }
+    }
+}