package org.simantics.xml.sax;

import org.w3._2001.xmlschema.Any;
import org.w3._2001.xmlschema.Element;
import org.w3._2001.xmlschema.Group;

public class SchemaElement {

	public enum ElementType{CHOICE,SEQUENCE,ALL,ANY,ELEMENT,NAMED_GROUP, GROUP_REF}

	private Group gelement;
	private Any aelement;
	private Element eelement;
	private MultiplicityRestriction restriction;
	private SchemaElement.ElementType type;
	
	private SchemaElement parent;
	
	public SchemaElement(Group element, ElementType indicator) {
		this.gelement = element;
		this.type = indicator;
		this.restriction = new MultiplicityRestriction(element);
	}
	
	public SchemaElement(Any element, ElementType indicator) {
		this.aelement = element;
		this.type = indicator;
		this.restriction = new MultiplicityRestriction(element);
	}
	
	public SchemaElement(Element element, ElementType indicator) {
		this.eelement = element;
		this.type = indicator;
		this.restriction = new MultiplicityRestriction(element);
	}
	
	public SchemaElement(SchemaElement parent, Group element, ElementType indicator) {
		this.parent = parent;
		this.gelement = element;
		this.type = indicator;
		this.restriction = new MultiplicityRestriction(element);
	}
	
	public SchemaElement(SchemaElement parent, Any element, ElementType indicator) {
		this.parent = parent;
		this.aelement = element;
		this.type = indicator;
		this.restriction = new MultiplicityRestriction(element);
	}
	
	public SchemaElement(SchemaElement parent, Element element, ElementType indicator) {
		this.parent = parent;
		this.eelement = element;
		this.type = indicator;
		this.restriction = new MultiplicityRestriction(element);
	}
	
	public Group getGroup() {
		return gelement;
	}
	
	public Any getAny() {
		return aelement;
	}
	
	public Element getElement() {
		return eelement;
	}
	
	public MultiplicityRestriction getRestriction() {
		return restriction;
	}
	
	public ElementType getType() {
		return type;
	}
	
	public SchemaElement getParent() {
		return parent;
	}
	
	
	public boolean order() {
		if (type == ElementType.ELEMENT) {
			if (restriction.many())
				return true;
			return false;
		}
		if (type == ElementType.SEQUENCE)
			return true;
		return false;
	}
	
	public boolean many() {
		if (restriction.many())
			return true;
		if (parent != null)
			return parent.many();
		return false;
	}
	
}