/*
Copyright (c) 2011 Mizar Tools Contributors (mizartools.org)
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/* Contributors :
* 2011-02-05 Marco Riccardi - initial implementation
* 2011-03-25 Marco Riccardi - implementation of visitor pattern
*
*/
package org.mizartools.system.xml;
import java.util.LinkedList;
import org.mizartools.system.ElementParseException;
import org.mizartools.system.IElement;
import org.mizartools.system.INode;
import org.mizartools.utility.xml.XMLAttribute;
import org.mizartools.utility.xml.XMLElement;
public class Set extends AuxiliaryItem implements IElement {
public static final String NAME = "Set";
private INode parentNode;
private Integer nr = null;
private Term term = null;
private Typ typ = null;
private Set(INode parentNode){
this.parentNode = parentNode;
}
public INode getParentNode() {
return parentNode;
}
public static Set newInstance(INode parentNode, LinkedList<XMLElement> xmlElementList) throws ElementParseException {
Set set = new Set(parentNode);
XMLElement xmlElement = xmlElementList.poll();
if (!xmlElement.getName().equals(NAME)){
throw new ElementParseException(ElementParseException.NOT_VALID_ELEMENT, "XMLElement is a " + xmlElement.getName() + " not a " + NAME, xmlElementList);
}
for (XMLAttribute xmlAttribute : xmlElement.getXMLAttributeList()){
if (xmlAttribute.getName().equals("nr")){
if (set.nr == null){
try {set.nr = Integer.parseInt(xmlAttribute.getValue());}
catch (Exception e) {throw new ElementParseException(ElementParseException.NOT_VALID_TYPE_OF_ATTRIBUTE_ELEMENT, "XMLElement has an attribute " + xmlAttribute.getName() + " with an invalid type", xmlElementList);};
} else {
throw new ElementParseException(ElementParseException.DUPLICATE_ATTRIBUTE_ELEMENT, "XMLElement has a duplicate attribute " + xmlAttribute.getName(), xmlElementList);
}
} else
throw new ElementParseException(ElementParseException.NOT_VALID_ATTRIBUTE_ELEMENT, "XMLElement has not a valid attribute " + xmlAttribute.getName(), xmlElementList);
}
if (!xmlElement.isEmpty()){
while (true){
xmlElement = xmlElementList.peek();
if (xmlElement == null){
throw new ElementParseException(ElementParseException.UNEXPECTED_END_OF_FILE, "Unexpected end of XMLElement list");
}
if (xmlElement.getName().equals(NAME) && xmlElement.isEndElement()){
xmlElement = xmlElementList.poll();
break;
}
if (Term.isTerm(xmlElement.getName())){
if (set.term == null) {
set.term = Term.newInstance(set, xmlElementList);
} else {
throw new ElementParseException(ElementParseException.DUPLICATE_ELEMENT, "XMLElement list contains a duplicated <Term> in element " + NAME, xmlElementList);
}
} else if (xmlElement.getName().equals("Typ")){
if (set.typ == null) {
set.typ = Typ.newInstance(set, xmlElementList);
} else {
throw new ElementParseException(ElementParseException.DUPLICATE_ELEMENT, "XMLElement list contains a duplicated <Typ> in element " + NAME, xmlElementList);
}
} else
throw new ElementParseException(ElementParseException.NOT_VALID_ELEMENT, "The XMLElement " + xmlElement.getName() + " is not valid in " + NAME, xmlElementList);
}
}
return set;
}
public LinkedList<XMLElement> getXMLElementList() {
LinkedList<XMLElement> xmlElementList = new LinkedList<XMLElement>();
XMLElement xmlElement = new XMLElement(NAME);
if (this.nr != null) {
XMLAttribute xmlAttribute = new XMLAttribute("nr", this.nr);
xmlElement.getXMLAttributeList().add(xmlAttribute);
}
boolean isEmpty = !(term != null
|| typ != null);
xmlElement.setEmpty(isEmpty);
xmlElementList.add(xmlElement);
if (this.term != null){
xmlElementList.addAll(this.term.getXMLElementList());
}
if (this.typ != null){
xmlElementList.addAll(this.typ.getXMLElementList());
}
if (!isEmpty) {
xmlElement = new XMLElement(NAME);
xmlElement.setEndElement(true);
xmlElementList.add(xmlElement);
}
return xmlElementList;
}
public Integer getNr(){
return nr;
}
public Term getTerm(){
return term;
}
public Typ getTyp(){
return typ;
}
@Override
public void accept(Visitor visitor) {
if (visitor.visit(this)) {}
visitor.endVisit(this);
}
@Override
public String toString(){
ToStringVisitor toStringVisitor = new ToStringVisitor();
this.accept(toStringVisitor);
return toStringVisitor.toString();
}
}