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vendor/symfony/dependency-injection/Loader/Configurator/AbstractConfigurator.php

@@ -0,0 +1,87 @@
+<?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\Loader\Configurator;
+
+use Symfony\Component\DependencyInjection\Argument\ArgumentInterface;
+use Symfony\Component\DependencyInjection\Definition;
+use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
+use Symfony\Component\DependencyInjection\Parameter;
+use Symfony\Component\DependencyInjection\Reference;
+use Symfony\Component\ExpressionLanguage\Expression;
+
+abstract class AbstractConfigurator
+{
+    const FACTORY = 'unknown';
+
+    /** @internal */
+    protected $definition;
+
+    public function __call($method, $args)
+    {
+        if (method_exists($this, 'set'.$method)) {
+            return \call_user_func_array(array($this, 'set'.$method), $args);
+        }
+
+        throw new \BadMethodCallException(sprintf('Call to undefined method %s::%s()', \get_class($this), $method));
+    }
+
+    /**
+     * Checks that a value is valid, optionally replacing Definition and Reference configurators by their configure value.
+     *
+     * @param mixed $value
+     * @param bool  $allowServices whether Definition and Reference are allowed; by default, only scalars and arrays are
+     *
+     * @return mixed the value, optionally cast to a Definition/Reference
+     */
+    public static function processValue($value, $allowServices = false)
+    {
+        if (\is_array($value)) {
+            foreach ($value as $k => $v) {
+                $value[$k] = static::processValue($v, $allowServices);
+            }
+
+            return $value;
+        }
+
+        if ($value instanceof ReferenceConfigurator) {
+            return new Reference($value->id, $value->invalidBehavior);
+        }
+
+        if ($value instanceof InlineServiceConfigurator) {
+            $def = $value->definition;
+            $value->definition = null;
+
+            return $def;
+        }
+
+        if ($value instanceof self) {
+            throw new InvalidArgumentException(sprintf('"%s()" can be used only at the root of service configuration files.', $value::FACTORY));
+        }
+
+        switch (true) {
+            case null === $value:
+            case is_scalar($value):
+                return $value;
+
+            case $value instanceof ArgumentInterface:
+            case $value instanceof Definition:
+            case $value instanceof Expression:
+            case $value instanceof Parameter:
+            case $value instanceof Reference:
+                if ($allowServices) {
+                    return $value;
+                }
+        }
+
+        throw new InvalidArgumentException(sprintf('Cannot use values of type "%s" in service configuration files.', \is_object($value) ? \get_class($value) : \gettype($value)));
+    }
+}