Simplify run format properties, removing duplicate classes. Add values functions, which check and clean up values for specific defined types from the schema

src/file/xml-components/index.ts

@@ -4,4 +4,5 @@ export * from "./default-attributes";
 export * from "./imported-xml-component";
 export * from "./xmlable-object";
 export * from "./initializable-xml-component";
+export * from "./simple-elements";
 export * from "./base";

src/file/xml-components/simple-elements.ts

@@ -0,0 +1,27 @@
+import { Attributes, XmlComponent } from "file/xml-components";
+
+import { hpsMeasureValue } from "../values";
+
+// This represents element type CT_OnOff, which indicate a boolean value.
+//
+// <xsd:complexType name="CT_OnOff">
+//     <xsd:attribute name="val" type="s:ST_OnOff"/>
+// </xsd:complexType>
+export class OnOffElement extends XmlComponent {
+    constructor(name: string, val: boolean | undefined = true) {
+        super(name);
+        this.root.push(new Attributes({ val }));
+    }
+}
+
+// This represents element type CT_HpsMeasure, which indicate an unsigned int or a measurement with unit.
+//
+// <xsd:complexType name="CT_HpsMeasure">
+//     <xsd:attribute name="val" type="ST_HpsMeasure" use="required"/>
+// </xsd:complexType>
+export class HpsMeasureElement extends XmlComponent {
+    constructor(name: string, val: number | string) {
+        super(name);
+        this.root.push(new Attributes({ val: hpsMeasureValue(val) }));
+    }
+}