/*
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 :
* 2011-02-04 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 CaseBlock implements IElement {
public static final String NAME = "CaseBlock";
private INode parentNode;
private Integer line = null;
private Integer col = null;
private boolean isBlockThesisFirst = false;
private BlockThesis blockThesis = null;
private Case case_ = null;
private Thesis thesis = null;
private LinkedList<ReasoningItem> reasoningItemList = new LinkedList<ReasoningItem>();
private PerCasesReasoning perCasesReasoning = null;
private EndPosition endPosition = null;
private CaseBlock(INode parentNode){
this.parentNode = parentNode;
}
public INode getParentNode() {
return parentNode;
}
public static CaseBlock newInstance(INode parentNode, LinkedList<XMLElement> xmlElementList) throws ElementParseException {
CaseBlock caseBlock = new CaseBlock(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("line")){
if (caseBlock.line == null){
try {caseBlock.line = 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
if (xmlAttribute.getName().equals("col")){
if (caseBlock.col == null){
try {caseBlock.col = 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()){
boolean isFirst = true;
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 (isFirst) {
if (xmlElement.getName().equals("BlockThesis")){
caseBlock.isBlockThesisFirst = true;
}
isFirst = false;
}
if (xmlElement.getName().equals("BlockThesis")){
if (caseBlock.blockThesis == null) {
caseBlock.blockThesis = BlockThesis.newInstance(caseBlock, xmlElementList);
} else {
throw new ElementParseException(ElementParseException.DUPLICATE_ELEMENT, "XMLElement list contains a duplicated <BlockThesis> in element " + NAME, xmlElementList);
}
} else if (xmlElement.getName().equals("Case")){
if (caseBlock.case_ == null) {
caseBlock.case_ = Case.newInstance(caseBlock, xmlElementList);
} else {
throw new ElementParseException(ElementParseException.DUPLICATE_ELEMENT, "XMLElement list contains a duplicated <Case> in element " + NAME, xmlElementList);
}
} else if (xmlElement.getName().equals("Thesis")){
if (caseBlock.thesis == null) {
caseBlock.thesis = Thesis.newInstance(caseBlock, xmlElementList);
} else {
throw new ElementParseException(ElementParseException.DUPLICATE_ELEMENT, "XMLElement list contains a duplicated <Thesis> in element " + NAME, xmlElementList);
}
} else if (ReasoningItem.isReasoningItem(xmlElement.getName())){
caseBlock.reasoningItemList.add(ReasoningItem.newInstance(caseBlock, xmlElementList));
} else if (xmlElement.getName().equals("PerCasesReasoning")){
if (caseBlock.perCasesReasoning == null) {
caseBlock.perCasesReasoning = PerCasesReasoning.newInstance(caseBlock, xmlElementList);
} else {
throw new ElementParseException(ElementParseException.DUPLICATE_ELEMENT, "XMLElement list contains a duplicated <EndPosition> in element " + NAME, xmlElementList);
}
} else if (xmlElement.getName().equals("EndPosition")){
if (caseBlock.endPosition == null) {
caseBlock.endPosition = EndPosition.newInstance(caseBlock, xmlElementList);
} else {
throw new ElementParseException(ElementParseException.DUPLICATE_ELEMENT, "XMLElement list contains a duplicated <EndPosition> in element " + NAME, xmlElementList);
}
} else
throw new ElementParseException(ElementParseException.NOT_VALID_ELEMENT, "The XMLElement " + xmlElement.getName() + " is not valid in " + NAME, xmlElementList);
}
}
return caseBlock;
}
public LinkedList<XMLElement> getXMLElementList() {
LinkedList<XMLElement> xmlElementList = new LinkedList<XMLElement>();
XMLElement xmlElement = new XMLElement(NAME);
if (this.line != null) {
XMLAttribute xmlAttribute = new XMLAttribute("line", this.line);
xmlElement.getXMLAttributeList().add(xmlAttribute);
}
if (this.col != null) {
XMLAttribute xmlAttribute = new XMLAttribute("col", this.col);
xmlElement.getXMLAttributeList().add(xmlAttribute);
}
boolean isEmpty = !(blockThesis != null
|| case_ != null || thesis != null
|| perCasesReasoning != null || !reasoningItemList.isEmpty());
xmlElement.setEmpty(isEmpty);
xmlElementList.add(xmlElement);
if (this.isBlockThesisFirst){
if (this.blockThesis != null){
xmlElementList.addAll(this.blockThesis.getXMLElementList());
}
if (this.case_ != null){
xmlElementList.addAll(this.case_.getXMLElementList());
}
if (this.thesis != null){
xmlElementList.addAll(this.thesis.getXMLElementList());
}
for (ReasoningItem reasoningItem : reasoningItemList) {
xmlElementList.addAll(reasoningItem.getXMLElementList());
}
if (this.perCasesReasoning != null){
xmlElementList.addAll(this.perCasesReasoning.getXMLElementList());
}
if (this.endPosition != null){
xmlElementList.addAll(this.endPosition.getXMLElementList());
}
} else {
if (this.case_ != null){
xmlElementList.addAll(this.case_.getXMLElementList());
}
for (ReasoningItem reasoningItem : reasoningItemList) {
xmlElementList.addAll(reasoningItem.getXMLElementList());
}
if (this.perCasesReasoning != null){
xmlElementList.addAll(this.perCasesReasoning.getXMLElementList());
}
if (this.endPosition != null){
xmlElementList.addAll(this.endPosition.getXMLElementList());
}
if (this.blockThesis != null){
xmlElementList.addAll(this.blockThesis.getXMLElementList());
}
}
if (!isEmpty) {
xmlElement = new XMLElement(NAME);
xmlElement.setEndElement(true);
xmlElementList.add(xmlElement);
}
return xmlElementList;
}
public BlockThesis getBlockThesis(){
return blockThesis;
}
public Case getCase(){
return case_;
}
public Thesis getThesis(){
return thesis;
}
public LinkedList<ReasoningItem> getReasoningItemList(){
return reasoningItemList;
}
public PerCasesReasoning getPerCasesReasoning(){
return perCasesReasoning;
}
public EndPosition getEndPosition(){
return endPosition;
}
@Override
public void accept(Visitor visitor) {
if (visitor.visit(this)) {
for(ReasoningItem reasoningItem: this.reasoningItemList) {
reasoningItem.accept(visitor);
}
}
visitor.endVisit(this);
}
@Override
public String toString(){
ToStringVisitor toStringVisitor = new ToStringVisitor();
this.accept(toStringVisitor);
return toStringVisitor.toString();
}
}