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[yaffs-website] / vendor / symfony / dependency-injection / Compiler / ServiceLocatorTagPass.php

diff --git a/vendor/symfony/dependency-injection/Compiler/ServiceLocatorTagPass.php b/vendor/symfony/dependency-injection/Compiler/ServiceLocatorTagPass.php
new file mode 100644 (file)
index 0000000..fb32d50
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+++ b/vendor/symfony/dependency-injection/Compiler/ServiceLocatorTagPass.php
@@ -0,0 +1,112 @@
+<?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\DependencyInjection\Compiler;
+
+use Symfony\Component\DependencyInjection\Alias;
+use Symfony\Component\DependencyInjection\Argument\ServiceClosureArgument;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Definition;
+use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
+use Symfony\Component\DependencyInjection\Reference;
+use Symfony\Component\DependencyInjection\ServiceLocator;
+
+/**
+ * Applies the "container.service_locator" tag by wrapping references into ServiceClosureArgument instances.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+final class ServiceLocatorTagPass extends AbstractRecursivePass
+{
+    protected function processValue($value, $isRoot = false)
+    {
+        if (!$value instanceof Definition || !$value->hasTag('container.service_locator')) {
+            return parent::processValue($value, $isRoot);
+        }
+
+        if (!$value->getClass()) {
+            $value->setClass(ServiceLocator::class);
+        }
+
+        $arguments = $value->getArguments();
+        if (!isset($arguments[0]) || !is_array($arguments[0])) {
+            throw new InvalidArgumentException(sprintf('Invalid definition for service "%s": an array of references is expected as first argument when the "container.service_locator" tag is set.', $this->currentId));
+        }
+
+        foreach ($arguments[0] as $k => $v) {
+            if ($v instanceof ServiceClosureArgument) {
+                continue;
+            }
+            if (!$v instanceof Reference) {
+                throw new InvalidArgumentException(sprintf('Invalid definition for service "%s": an array of references is expected as first argument when the "container.service_locator" tag is set, "%s" found for key "%s".', $this->currentId, is_object($v) ? get_class($v) : gettype($v), $k));
+            }
+            $arguments[0][$k] = new ServiceClosureArgument($v);
+        }
+        ksort($arguments[0]);
+
+        $value->setArguments($arguments);
+
+        $id = 'service_locator.'.ContainerBuilder::hash($value);
+
+        if ($isRoot) {
+            if ($id !== $this->currentId) {
+                $this->container->setAlias($id, new Alias($this->currentId, false));
+            }
+
+            return $value;
+        }
+
+        $this->container->setDefinition($id, $value->setPublic(false));
+
+        return new Reference($id);
+    }
+
+    /**
+     * @param ContainerBuilder $container
+     * @param Reference[]      $refMap
+     * @param string|null      $callerId
+     *
+     * @return Reference
+     */
+    public static function register(ContainerBuilder $container, array $refMap, $callerId = null)
+    {
+        foreach ($refMap as $id => $ref) {
+            if (!$ref instanceof Reference) {
+                throw new InvalidArgumentException(sprintf('Invalid service locator definition: only services can be referenced, "%s" found for key "%s". Inject parameter values using constructors instead.', is_object($ref) ? get_class($ref) : gettype($ref), $id));
+            }
+            $refMap[$id] = new ServiceClosureArgument($ref);
+        }
+        ksort($refMap);
+
+        $locator = (new Definition(ServiceLocator::class))
+            ->addArgument($refMap)
+            ->setPublic(false)
+            ->addTag('container.service_locator');
+
+        if (!$container->has($id = 'service_locator.'.ContainerBuilder::hash($locator))) {
+            $container->setDefinition($id, $locator);
+        }
+
+        if (null !== $callerId) {
+            $locatorId = $id;
+            // Locators are shared when they hold the exact same list of factories;
+            // to have them specialized per consumer service, we use a cloning factory
+            // to derivate customized instances from the prototype one.
+            $container->register($id .= '.'.$callerId, ServiceLocator::class)
+                ->setPublic(false)
+                ->setFactory(array(new Reference($locatorId), 'withContext'))
+                ->addArgument($callerId)
+                ->addArgument(new Reference('service_container'));
+        }
+
+        return new Reference($id);
+    }
+}