module dependency validation moved in a core folder + cleanup dedicated unit/integration tests

setup/module/XmlModuleMetaInfo.php

@@ -0,0 +1,27 @@
+<?php
+
+class XmlModuleMetaInfo {
+	public string $sLastNodeId;
+	public string $sNodeName;
+	public string $sPath;
+	public string $sDelta;
+
+	public function __construct(string $sLastNodeId, string $sNodeName, string $sPath, string $sDelta)
+	{
+		$this->sLastNodeId = $sLastNodeId;
+		$this->sNodeName = $sNodeName;
+		$this->sPath = $sPath;
+		$this->sDelta = $sDelta;
+	}
+
+	public function IsDefine() : bool {
+		return
+			 $this->sDelta === 'define_if_not_exists'
+			|| $this->sDelta === 'define';
+	}
+
+	public function GetUID() : string
+	{
+		return $this->sNodeName . '_' . $this->sPath;
+	}
+}