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1 <?php
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2
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3 /*
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4 * This file is part of the Symfony package.
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5 *
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6 * (c) Fabien Potencier <fabien@symfony.com>
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7 *
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8 * For the full copyright and license information, please view the LICENSE
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9 * file that was distributed with this source code.
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10 */
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11
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12 namespace Symfony\Component\HttpKernel\DependencyInjection;
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13
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14 use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
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15 use Symfony\Component\DependencyInjection\Compiler\ServiceLocatorTagPass;
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16 use Symfony\Component\DependencyInjection\ContainerBuilder;
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17 use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
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18 use Symfony\Component\DependencyInjection\Reference;
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19 use Symfony\Component\HttpKernel\Fragment\FragmentRendererInterface;
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20
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21 /**
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22 * Adds services tagged kernel.fragment_renderer as HTTP content rendering strategies.
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23 *
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24 * @author Fabien Potencier <fabien@symfony.com>
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25 */
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26 class FragmentRendererPass implements CompilerPassInterface
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27 {
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28 private $handlerService;
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29 private $rendererTag;
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30
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31 /**
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32 * @param string $handlerService Service name of the fragment handler in the container
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33 * @param string $rendererTag Tag name used for fragments
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34 */
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35 public function __construct($handlerService = 'fragment.handler', $rendererTag = 'kernel.fragment_renderer')
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36 {
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37 $this->handlerService = $handlerService;
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38 $this->rendererTag = $rendererTag;
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39 }
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40
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41 public function process(ContainerBuilder $container)
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42 {
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43 if (!$container->hasDefinition($this->handlerService)) {
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44 return;
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45 }
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46
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47 $definition = $container->getDefinition($this->handlerService);
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48 $renderers = [];
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49 foreach ($container->findTaggedServiceIds($this->rendererTag, true) as $id => $tags) {
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50 $def = $container->getDefinition($id);
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51 $class = $container->getParameterBag()->resolveValue($def->getClass());
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52
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53 if (!$r = $container->getReflectionClass($class)) {
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54 throw new InvalidArgumentException(sprintf('Class "%s" used for service "%s" cannot be found.', $class, $id));
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55 }
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56 if (!$r->isSubclassOf(FragmentRendererInterface::class)) {
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57 throw new InvalidArgumentException(sprintf('Service "%s" must implement interface "%s".', $id, FragmentRendererInterface::class));
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58 }
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59
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60 foreach ($tags as $tag) {
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61 $renderers[$tag['alias']] = new Reference($id);
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62 }
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63 }
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64
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65 $definition->replaceArgument(0, ServiceLocatorTagPass::register($container, $renderers));
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66 }
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67 }
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