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