Actualización

vendor/symfony/twig-bundle/DependencyInjection/Compiler/ExceptionListenerPass.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\Bundle\TwigBundle\DependencyInjection\Compiler;
+
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+
+/**
+ * Registers the Twig exception listener if Twig is registered as a templating engine.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class ExceptionListenerPass implements CompilerPassInterface
+{
+    public function process(ContainerBuilder $container)
+    {
+        if (false === $container->hasDefinition('twig')) {
+            return;
+        }
+
+        // register the exception controller only if Twig is enabled and required dependencies do exist
+        if (!class_exists('Symfony\Component\Debug\Exception\FlattenException') || !interface_exists('Symfony\Component\EventDispatcher\EventSubscriberInterface')) {
+            $container->removeDefinition('twig.exception_listener');
+        } elseif ($container->hasParameter('templating.engines')) {
+            $engines = $container->getParameter('templating.engines');
+            if (!in_array('twig', $engines)) {
+                $container->removeDefinition('twig.exception_listener');
+            }
+        }
+    }
+}

vendor/symfony/twig-bundle/DependencyInjection/Compiler/ExtensionPass.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\Bundle\TwigBundle\DependencyInjection\Compiler;
+
+use Symfony\Component\Config\Resource\ClassExistenceResource;
+use Symfony\Component\DependencyInjection\Alias;
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Reference;
+use Symfony\Component\ExpressionLanguage\ExpressionLanguage;
+use Symfony\Component\Stopwatch\Stopwatch;
+use Symfony\Component\Workflow\Workflow;
+use Symfony\Component\Yaml\Parser as YamlParser;
+
+/**
+ * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
+ */
+class ExtensionPass implements CompilerPassInterface
+{
+    public function process(ContainerBuilder $container)
+    {
+        if (!class_exists('Symfony\Component\Asset\Packages')) {
+            $container->removeDefinition('twig.extension.assets');
+        }
+
+        if (!class_exists('Symfony\Component\ExpressionLanguage\Expression')) {
+            $container->removeDefinition('twig.extension.expression');
+        }
+
+        if (!interface_exists('Symfony\Component\Routing\Generator\UrlGeneratorInterface')) {
+            $container->removeDefinition('twig.extension.routing');
+        }
+        if (!interface_exists('Symfony\Component\Translation\TranslatorInterface')) {
+            $container->removeDefinition('twig.extension.trans');
+        }
+
+        if (!class_exists('Symfony\Component\Yaml\Yaml')) {
+            $container->removeDefinition('twig.extension.yaml');
+        }
+
+        if ($container->has('form.extension')) {
+            $container->getDefinition('twig.extension.form')->addTag('twig.extension');
+            $reflClass = new \ReflectionClass('Symfony\Bridge\Twig\Extension\FormExtension');
+            $container->getDefinition('twig.loader.native_filesystem')->addMethodCall('addPath', array(dirname(dirname($reflClass->getFileName())).'/Resources/views/Form'));
+        }
+
+        if ($container->has('translator')) {
+            $container->getDefinition('twig.extension.trans')->addTag('twig.extension');
+        }
+
+        if ($container->has('router')) {
+            $container->getDefinition('twig.extension.routing')->addTag('twig.extension');
+        }
+
+        if ($container->has('fragment.handler')) {
+            $container->getDefinition('twig.extension.httpkernel')->addTag('twig.extension');
+
+            // inject Twig in the hinclude service if Twig is the only registered templating engine
+            if ((!$container->hasParameter('templating.engines') || array('twig') == $container->getParameter('templating.engines')) && $container->hasDefinition('fragment.renderer.hinclude')) {
+                $container->getDefinition('fragment.renderer.hinclude')
+                    ->addTag('kernel.fragment_renderer', array('alias' => 'hinclude'))
+                    ->replaceArgument(0, new Reference('twig'))
+                ;
+            }
+        }
+
+        if ($container->has('request_stack')) {
+            $container->getDefinition('twig.extension.httpfoundation')->addTag('twig.extension');
+        }
+
+        if ($container->getParameter('kernel.debug')) {
+            $container->getDefinition('twig.extension.profiler')->addTag('twig.extension');
+            $container->getDefinition('twig.extension.debug')->addTag('twig.extension');
+        }
+
+        $composerRootDir = $this->getComposerRootDir($container->getParameter('kernel.root_dir'));
+        $twigLoader = $container->getDefinition('twig.loader.native_filesystem');
+        if ($container->has('templating')) {
+            $loader = $container->getDefinition('twig.loader.filesystem');
+            $loader->setMethodCalls(array_merge($twigLoader->getMethodCalls(), $loader->getMethodCalls()));
+            $loader->replaceArgument(2, $composerRootDir);
+
+            $twigLoader->clearTag('twig.loader');
+        } else {
+            $twigLoader->replaceArgument(1, $composerRootDir);
+            $container->setAlias('twig.loader.filesystem', new Alias('twig.loader.native_filesystem', false));
+            $container->removeDefinition('templating.engine.twig');
+        }
+
+        if ($container->has('assets.packages')) {
+            $container->getDefinition('twig.extension.assets')->addTag('twig.extension');
+        }
+
+        $container->addResource(new ClassExistenceResource(YamlParser::class));
+        if (class_exists(YamlParser::class)) {
+            $container->getDefinition('twig.extension.yaml')->addTag('twig.extension');
+        }
+
+        $container->addResource(new ClassExistenceResource(Stopwatch::class));
+        if (class_exists(Stopwatch::class)) {
+            $container->getDefinition('twig.extension.debug.stopwatch')->addTag('twig.extension');
+        }
+
+        $container->addResource(new ClassExistenceResource(ExpressionLanguage::class));
+        if (class_exists(ExpressionLanguage::class)) {
+            $container->getDefinition('twig.extension.expression')->addTag('twig.extension');
+        }
+
+        $container->addResource(new ClassExistenceResource(Workflow::class));
+        if (!class_exists(Workflow::class) || !$container->has('workflow.registry')) {
+            $container->removeDefinition('workflow.twig_extension');
+        } else {
+            $container->getDefinition('workflow.twig_extension')->addTag('twig.extension');
+        }
+    }
+
+    private function getComposerRootDir($rootDir)
+    {
+        $dir = $rootDir;
+        while (!file_exists($dir.'/composer.json')) {
+            if ($dir === dirname($dir)) {
+                return $rootDir;
+            }
+
+            $dir = dirname($dir);
+        }
+
+        return $dir;
+    }
+}

vendor/symfony/twig-bundle/DependencyInjection/Compiler/RuntimeLoaderPass.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\Bundle\TwigBundle\DependencyInjection\Compiler;
+
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
+
+/**
+ * Registers Twig runtime services.
+ */
+class RuntimeLoaderPass implements CompilerPassInterface
+{
+    public function process(ContainerBuilder $container)
+    {
+        if (!$container->hasDefinition('twig.runtime_loader')) {
+            return;
+        }
+
+        $definition = $container->getDefinition('twig.runtime_loader');
+        $mapping = array();
+        foreach ($container->findTaggedServiceIds('twig.runtime') as $id => $attributes) {
+            $def = $container->getDefinition($id);
+
+            if (!$def->isPublic()) {
+                throw new InvalidArgumentException(sprintf('The service "%s" must be public as it can be lazy-loaded.', $id));
+            }
+
+            if ($def->isAbstract()) {
+                throw new InvalidArgumentException(sprintf('The service "%s" must not be abstract as it can be lazy-loaded.', $id));
+            }
+
+            $mapping[$def->getClass()] = $id;
+        }
+
+        $definition->replaceArgument(1, $mapping);
+    }
+}

vendor/symfony/twig-bundle/DependencyInjection/Compiler/TwigEnvironmentPass.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\Bundle\TwigBundle\DependencyInjection\Compiler;
+
+use Symfony\Component\DependencyInjection\Reference;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+
+/**
+ * Adds tagged twig.extension services to twig service.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class TwigEnvironmentPass implements CompilerPassInterface
+{
+    public function process(ContainerBuilder $container)
+    {
+        if (false === $container->hasDefinition('twig')) {
+            return;
+        }
+
+        $definition = $container->getDefinition('twig');
+
+        // Extensions must always be registered before everything else.
+        // For instance, global variable definitions must be registered
+        // afterward. If not, the globals from the extensions will never
+        // be registered.
+        $calls = $definition->getMethodCalls();
+        $definition->setMethodCalls(array());
+        foreach ($container->findTaggedServiceIds('twig.extension') as $id => $attributes) {
+            $definition->addMethodCall('addExtension', array(new Reference($id)));
+        }
+        $definition->setMethodCalls(array_merge($definition->getMethodCalls(), $calls));
+    }
+}

vendor/symfony/twig-bundle/DependencyInjection/Compiler/TwigLoaderPass.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\Bundle\TwigBundle\DependencyInjection\Compiler;
+
+use Symfony\Component\DependencyInjection\Reference;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+use Symfony\Component\DependencyInjection\Exception\LogicException;
+
+/**
+ * Adds services tagged twig.loader as Twig loaders.
+ *
+ * @author Daniel Leech <daniel@dantleech.com>
+ */
+class TwigLoaderPass implements CompilerPassInterface
+{
+    public function process(ContainerBuilder $container)
+    {
+        if (false === $container->hasDefinition('twig')) {
+            return;
+        }
+
+        $prioritizedLoaders = array();
+        $found = 0;
+
+        foreach ($container->findTaggedServiceIds('twig.loader') as $id => $attributes) {
+            $priority = isset($attributes[0]['priority']) ? $attributes[0]['priority'] : 0;
+            $prioritizedLoaders[$priority][] = $id;
+            ++$found;
+        }
+
+        if (!$found) {
+            throw new LogicException('No twig loaders found. You need to tag at least one loader with "twig.loader"');
+        }
+
+        if (1 === $found) {
+            $container->setAlias('twig.loader', $id);
+        } else {
+            $chainLoader = $container->getDefinition('twig.loader.chain');
+            krsort($prioritizedLoaders);
+
+            foreach ($prioritizedLoaders as $loaders) {
+                foreach ($loaders as $loader) {
+                    $chainLoader->addMethodCall('addLoader', array(new Reference($loader)));
+                }
+            }
+
+            $container->setAlias('twig.loader', 'twig.loader.chain');
+        }
+    }
+}