Version 1

[yaffs-website] / vendor / symfony / config / Definition / VariableNode.php

diff --git a/vendor/symfony/config/Definition/VariableNode.php b/vendor/symfony/config/Definition/VariableNode.php
new file mode 100644 (file)
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+++ b/vendor/symfony/config/Definition/VariableNode.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\Config\Definition;
+
+use Symfony\Component\Config\Definition\Exception\InvalidConfigurationException;
+
+/**
+ * This node represents a value of variable type in the config tree.
+ *
+ * This node is intended for values of arbitrary type.
+ * Any PHP type is accepted as a value.
+ *
+ * @author Jeremy Mikola <jmikola@gmail.com>
+ */
+class VariableNode extends BaseNode implements PrototypeNodeInterface
+{
+    protected $defaultValueSet = false;
+    protected $defaultValue;
+    protected $allowEmptyValue = true;
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setDefaultValue($value)
+    {
+        $this->defaultValueSet = true;
+        $this->defaultValue = $value;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function hasDefaultValue()
+    {
+        return $this->defaultValueSet;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getDefaultValue()
+    {
+        $v = $this->defaultValue;
+
+        return $v instanceof \Closure ? $v() : $v;
+    }
+
+    /**
+     * Sets if this node is allowed to have an empty value.
+     *
+     * @param bool $boolean True if this entity will accept empty values
+     */
+    public function setAllowEmptyValue($boolean)
+    {
+        $this->allowEmptyValue = (bool) $boolean;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setName($name)
+    {
+        $this->name = $name;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function validateType($value)
+    {
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function finalizeValue($value)
+    {
+        if (!$this->allowEmptyValue && $this->isValueEmpty($value)) {
+            $ex = new InvalidConfigurationException(sprintf(
+                'The path "%s" cannot contain an empty value, but got %s.',
+                $this->getPath(),
+                json_encode($value)
+            ));
+            if ($hint = $this->getInfo()) {
+                $ex->addHint($hint);
+            }
+            $ex->setPath($this->getPath());
+
+            throw $ex;
+        }
+
+        return $value;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function normalizeValue($value)
+    {
+        return $value;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function mergeValues($leftSide, $rightSide)
+    {
+        return $rightSide;
+    }
+
+    /**
+     * Evaluates if the given value is to be treated as empty.
+     *
+     * By default, PHP's empty() function is used to test for emptiness. This
+     * method may be overridden by subtypes to better match their understanding
+     * of empty data.
+     *
+     * @param mixed $value
+     *
+     * @return bool
+     */
+    protected function isValueEmpty($value)
+    {
+        return empty($value);
+    }
+}