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[yaffs-website] / vendor / symfony / dependency-injection / Compiler / RegisterServiceSubscribersPass.php
diff --git a/vendor/symfony/dependency-injection/Compiler/RegisterServiceSubscribersPass.php b/vendor/symfony/dependency-injection/Compiler/RegisterServiceSubscribersPass.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\Component\DependencyInjection\Compiler;
+
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\DependencyInjection\Definition;
+use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
+use Symfony\Component\DependencyInjection\Reference;
+use Symfony\Component\DependencyInjection\ServiceSubscriberInterface;
+use Symfony\Component\DependencyInjection\TypedReference;
+
+/**
+ * Compiler pass to register tagged services that require a service locator.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class RegisterServiceSubscribersPass extends AbstractRecursivePass
+{
+    protected function processValue($value, $isRoot = false)
+    {
+        if (!$value instanceof Definition || $value->isAbstract() || $value->isSynthetic() || !$value->hasTag('container.service_subscriber')) {
+            return parent::processValue($value, $isRoot);
+        }
+
+        $serviceMap = array();
+        $autowire = $value->isAutowired();
+
+        foreach ($value->getTag('container.service_subscriber') as $attributes) {
+            if (!$attributes) {
+                $autowire = true;
+                continue;
+            }
+            ksort($attributes);
+            if (array() !== array_diff(array_keys($attributes), array('id', 'key'))) {
+                throw new InvalidArgumentException(sprintf('The "container.service_subscriber" tag accepts only the "key" and "id" attributes, "%s" given for service "%s".', implode('", "', array_keys($attributes)), $this->currentId));
+            }
+            if (!array_key_exists('id', $attributes)) {
+                throw new InvalidArgumentException(sprintf('Missing "id" attribute on "container.service_subscriber" tag with key="%s" for service "%s".', $attributes['key'], $this->currentId));
+            }
+            if (!array_key_exists('key', $attributes)) {
+                $attributes['key'] = $attributes['id'];
+            }
+            if (isset($serviceMap[$attributes['key']])) {
+                continue;
+            }
+            $serviceMap[$attributes['key']] = new Reference($attributes['id']);
+        }
+        $class = $value->getClass();
+
+        if (!$r = $this->container->getReflectionClass($class)) {
+            throw new InvalidArgumentException(sprintf('Class "%s" used for service "%s" cannot be found.', $class, $this->currentId));
+        }
+        if (!$r->isSubclassOf(ServiceSubscriberInterface::class)) {
+            throw new InvalidArgumentException(sprintf('Service "%s" must implement interface "%s".', $this->currentId, ServiceSubscriberInterface::class));
+        }
+        $class = $r->name;
+
+        $subscriberMap = array();
+        $declaringClass = (new \ReflectionMethod($class, 'getSubscribedServices'))->class;
+
+        foreach ($class::getSubscribedServices() as $key => $type) {
+            if (!is_string($type) || !preg_match('/^\??[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*+(?:\\\\[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*+)*+$/', $type)) {
+                throw new InvalidArgumentException(sprintf('"%s::getSubscribedServices()" must return valid PHP types for service "%s" key "%s", "%s" returned.', $class, $this->currentId, $key, is_string($type) ? $type : gettype($type)));
+            }
+            if ($optionalBehavior = '?' === $type[0]) {
+                $type = substr($type, 1);
+                $optionalBehavior = ContainerInterface::IGNORE_ON_INVALID_REFERENCE;
+            }
+            if (is_int($key)) {
+                $key = $type;
+            }
+            if (!isset($serviceMap[$key])) {
+                if (!$autowire) {
+                    throw new InvalidArgumentException(sprintf('Service "%s" misses a "container.service_subscriber" tag with "key"/"id" attributes corresponding to entry "%s" as returned by "%s::getSubscribedServices()".', $this->currentId, $key, $class));
+                }
+                $serviceMap[$key] = new Reference($type);
+            }
+
+            $subscriberMap[$key] = new TypedReference($this->container->normalizeId($serviceMap[$key]), $type, $declaringClass, $optionalBehavior ?: ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE);
+            unset($serviceMap[$key]);
+        }
+
+        if ($serviceMap = array_keys($serviceMap)) {
+            $message = sprintf(1 < count($serviceMap) ? 'keys "%s" do' : 'key "%s" does', str_replace('%', '%%', implode('", "', $serviceMap)));
+            throw new InvalidArgumentException(sprintf('Service %s not exist in the map returned by "%s::getSubscribedServices()" for service "%s".', $message, $class, $this->currentId));
+        }
+
+        $value->addTag('container.service_subscriber.locator', array('id' => (string) ServiceLocatorTagPass::register($this->container, $subscriberMap, $this->currentId)));
+
+        return parent::processValue($value);
+    }
+}