1 files changed, 93 insertions, 0 deletions
diff --git a/srcs/phpmyadmin/libraries/classes/Navigation/NodeFactory.php b/srcs/phpmyadmin/libraries/classes/Navigation/NodeFactory.php
new file mode 100644
index 0000000..3e751b2
--- /dev/null
+++ b/srcs/phpmyadmin/libraries/classes/Navigation/NodeFactory.php
@@ -0,0 +1,93 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * This class is responsible for creating Node objects
+ *
+ * @package PhpMyAdmin-navigation
+ */
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Navigation;
+
+use PhpMyAdmin\Navigation\Nodes\Node;
+
+/**
+ * Node factory - instantiates Node objects or objects derived from the Node class
+ *
+ * @package PhpMyAdmin-Navigation
+ */
+class NodeFactory
+{
+    protected static $namespace = 'PhpMyAdmin\\Navigation\\Nodes\\%s';
+    /**
+     * Sanitizes the name of a Node class
+     *
+     * @param string $class The class name to be sanitized
+     *
+     * @return string
+     */
+    private static function sanitizeClass($class)
+    {
+        if (! preg_match('@^Node\w*$@', $class)) {
+            $class = 'Node';
+            trigger_error(
+                sprintf(
+                    /* l10n: The word "Node" must not be translated here */
+                    __('Invalid class name "%1$s", using default of "Node"'),
+                    $class
+                ),
+                E_USER_ERROR
+            );
+        }
+
+        return self::checkClass($class);
+    }
+
+    /**
+     * Checks if a class exists and try to load it.
+     * Will return the default class name back if the
+     * file for some subclass is not available
+     *
+     * @param string $class The class name to check
+     *
+     * @return string
+     */
+    private static function checkClass($class)
+    {
+        $class = sprintf(self::$namespace, $class);
+
+        if (! class_exists($class)) {
+            $class = sprintf(self::$namespace, 'Node');
+            trigger_error(
+                sprintf(
+                    __('Could not load class "%1$s"'),
+                    $class
+                ),
+                E_USER_ERROR
+            );
+        }
+
+        return $class;
+    }
+
+    /**
+     * Instantiates a Node object
+     *
+     * @param string $class   The name of the class to instantiate
+     * @param string $name    An identifier for the new node
+     * @param int    $type    Type of node, may be one of CONTAINER or OBJECT
+     * @param bool   $isGroup Whether this object has been created
+     *                        while grouping nodes
+     *
+     * @return mixed
+     */
+    public static function getInstance(
+        $class = 'Node',
+        $name = 'default',
+        $type = Node::OBJECT,
+        $isGroup = false
+    ) {
+        $class = self::sanitizeClass($class);
+        return new $class($name, $type, $isGroup);
+    }
+}