SwissQR: add Sprain\SwissQrBill and dependencies

htdocs/includes/symfony/validator/Mapping/Loader/AutoMappingTrait.php

@@ -0,0 +1,34 @@
+<?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\Validator\Mapping\Loader;
+
+use Symfony\Component\Validator\Mapping\AutoMappingStrategy;
+use Symfony\Component\Validator\Mapping\ClassMetadata;
+
+/**
+ * Utility methods to create auto mapping loaders.
+ *
+ * @author Kévin Dunglas <dunglas@gmail.com>
+ */
+trait AutoMappingTrait
+{
+    private function isAutoMappingEnabledForClass(ClassMetadata $metadata, string $classValidatorRegexp = null): bool
+    {
+        // Check if AutoMapping constraint is set first
+        if (AutoMappingStrategy::NONE !== $strategy = $metadata->getAutoMappingStrategy()) {
+            return AutoMappingStrategy::ENABLED === $strategy;
+        }
+
+        // Fallback on the config
+        return null !== $classValidatorRegexp && preg_match($classValidatorRegexp, $metadata->getClassName());
+    }
+}