Started parser class.

lib/TclUpdates/XmlParser.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace TclUpdates;
+
+class XmlParser
+{
+    private $dom;
+
+    public function __construct()
+    {
+        $this->dom = new \DOMDocument();
+    }
+
+    public function loadXMLFromString($xml)
+    {
+        $xml_ok = $this->dom->loadXML($xml, LIBXML_NOENT);
+        return $xml_ok;
+    }
+
+    public function validateGOTU()
+    {
+        if ($this->dom->childNodes->length < 1) {
+            return false;
+        }
+        $root_node = $this->dom->childNodes->item(0);
+        if ($root_node->nodeName != 'GOTU') {
+            return false;
+        }
+        return true;
+    }
+}