added support for XML reading/writing

new serialization interfaces
new helper methods
new wifi models

sensors/radio/model/WiFiModelFactory.h

@@ -0,0 +1,32 @@
+#ifndef WIFIMODELFACTORY_H
+#define WIFIMODELFACTORY_H
+
+
+#include "WiFiModel.h"
+#include "../../../floorplan/v2/Floorplan.h"
+
+/**
+ * this class can instantiate WiFiModels based on serialized XML files
+ */
+class WiFiModelFactory {
+
+private:
+
+	Floorplan::IndoorMap* map;
+
+public:
+
+	/** ctor. needs the floorplan for some models */
+	WiFiModelFactory(Floorplan::IndoorMap* map) : map(map) {
+		;
+	}
+
+	/** parse model from XML file */
+	WiFiModel* loadXML(const std::string& file);
+
+	/** parse model from XML node */
+	WiFiModel* readFromXML(XMLDoc* doc, XMLElem* src);
+
+};
+
+#endif // WIFIMODELFACTORY_H