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vendor/symfony/config/Definition/ScalarNode.php

@@ -0,0 +1,53 @@
+<?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\Config\Definition;
+
+use Symfony\Component\Config\Definition\Exception\InvalidTypeException;
+
+/**
+ * This node represents a scalar value in the config tree.
+ *
+ * The following values are considered scalars:
+ *   * booleans
+ *   * strings
+ *   * null
+ *   * integers
+ *   * floats
+ *
+ * @author Johannes M. Schmitt <schmittjoh@gmail.com>
+ */
+class ScalarNode extends VariableNode
+{
+    /**
+     * {@inheritdoc}
+     */
+    protected function validateType($value)
+    {
+        if (!is_scalar($value) && null !== $value) {
+            $ex = new InvalidTypeException(sprintf('Invalid type for path "%s". Expected scalar, but got %s.', $this->getPath(), \gettype($value)));
+            if ($hint = $this->getInfo()) {
+                $ex->addHint($hint);
+            }
+            $ex->setPath($this->getPath());
+
+            throw $ex;
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function isValueEmpty($value)
+    {
+        return null === $value || '' === $value;
+    }
+}