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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\DependencyInjection\Compiler;
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13
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14 use Symfony\Component\DependencyInjection\Alias;
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15 use Symfony\Component\DependencyInjection\ContainerBuilder;
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16
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17 /**
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18 * Overwrites a service but keeps the overridden one.
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19 *
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20 * @author Christophe Coevoet <stof@notk.org>
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21 * @author Fabien Potencier <fabien@symfony.com>
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22 * @author Diego Saint Esteben <diego@saintesteben.me>
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23 */
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24 class DecoratorServicePass implements CompilerPassInterface
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25 {
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26 public function process(ContainerBuilder $container)
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27 {
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28 $definitions = new \SplPriorityQueue();
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29 $order = PHP_INT_MAX;
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30
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31 foreach ($container->getDefinitions() as $id => $definition) {
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32 if (!$decorated = $definition->getDecoratedService()) {
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33 continue;
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34 }
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35 $definitions->insert([$id, $definition], [$decorated[2], --$order]);
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36 }
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37 $decoratingDefinitions = [];
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38
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39 foreach ($definitions as list($id, $definition)) {
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40 list($inner, $renamedId) = $definition->getDecoratedService();
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41
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42 $definition->setDecoratedService(null);
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43
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44 if (!$renamedId) {
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45 $renamedId = $id.'.inner';
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46 }
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47
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48 // we create a new alias/service for the service we are replacing
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49 // to be able to reference it in the new one
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50 if ($container->hasAlias($inner)) {
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51 $alias = $container->getAlias($inner);
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52 $public = $alias->isPublic();
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53 $private = $alias->isPrivate();
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54 $container->setAlias($renamedId, new Alias($container->normalizeId($alias), false));
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55 } else {
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56 $decoratedDefinition = $container->getDefinition($inner);
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57 $public = $decoratedDefinition->isPublic();
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58 $private = $decoratedDefinition->isPrivate();
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59 $decoratedDefinition->setPublic(false);
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60 $container->setDefinition($renamedId, $decoratedDefinition);
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61 $decoratingDefinitions[$inner] = $decoratedDefinition;
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62 }
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63
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64 if (isset($decoratingDefinitions[$inner])) {
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65 $decoratingDefinition = $decoratingDefinitions[$inner];
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66 $definition->setTags(array_merge($decoratingDefinition->getTags(), $definition->getTags()));
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67 $autowiringTypes = $decoratingDefinition->getAutowiringTypes(false);
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68 if ($types = array_merge($autowiringTypes, $definition->getAutowiringTypes(false))) {
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69 $definition->setAutowiringTypes($types);
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70 }
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71 $decoratingDefinition->setTags([]);
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72 if ($autowiringTypes) {
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73 $decoratingDefinition->setAutowiringTypes([]);
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74 }
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75 $decoratingDefinitions[$inner] = $definition;
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76 }
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77
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78 $container->setAlias($inner, $id)->setPublic($public)->setPrivate($private);
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79 }
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80 }
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81 }
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