+ public final Heading rootHeading = new Heading("<root>", 0, null);
+
+ private Heading currentHeading = rootHeading;
+
+ public Heading createHeading(String name, int targetLevel){
+ if (currentHeading.level == (targetLevel - 1)){
+ Heading newHeading = new Heading(name, targetLevel, currentHeading);
+ currentHeading = newHeading;
+ return newHeading;
+ }
+
+ if (currentHeading.level > (targetLevel - 1)){
+ currentHeading = currentHeading.parent;
+ return createHeading(name, targetLevel);
+ }
+
+ Heading missingIntermediate = new Heading("<noname>", currentHeading.level + 1, currentHeading);
+ currentHeading = missingIntermediate;
+ return createHeading(name, targetLevel);
+ }