@Override
public void startElement(String uri, String localName, String qName, Attributes attributes)
throws SAXException {
ModelReader6Handler.ElementHandler current =
(myHandlersStack.empty()
? (ModelReader6Handler.ElementHandler) null
: myHandlersStack.peek());
if (current == null) {
// root
current = modelhandler;
} else {
current = current.createChild(qName);
}
// check required
for (String attr : current.requiredAttributes()) {
if (attributes.getValue(attr) == null) {
throw new SAXParseException("attribute " + attr + " is absent", null);
}
}
Object result = current.createObject(attributes);
if (myHandlersStack.empty()) {
myResult = (ModelLoadResult) result;
}
// handle attributes
for (int i = 0; i < attributes.getLength(); i++) {
String name = attributes.getQName(i);
String value = attributes.getValue(i);
current.handleAttribute(result, name, value);
}
myHandlersStack.push(current);
myValues.push(result);
}
@Override
public void characters(char[] array, int start, int len) throws SAXException {
ModelReader6Handler.ElementHandler current =
(myHandlersStack.empty()
? (ModelReader6Handler.ElementHandler) null
: myHandlersStack.peek());
if (current != null) {
current.handleText(myValues.peek(), new String(array, start, len));
}
}
@Override
public void endElement(String uri, String localName, String qName) throws SAXException {
ModelReader6Handler.ElementHandler current = myHandlersStack.pop();
Object childValue = myValues.pop();
if (current != null) {
current.validate(childValue);
if (myHandlersStack.empty()) {
myResult = (ModelLoadResult) childValue;
} else {
myHandlersStack.peek().handleChild(myValues.peek(), qName, childValue);
}
}
}
@Override
protected void handleChild(Object resultObject, String tagName, Object value)
throws SAXException {
SNode result = (SNode) resultObject;
if ("property".equals(tagName)) {
String[] child = (String[]) value;
if (child[1] != null) {
SNodeAccessUtil.setProperty(result, fieldhelper.readName(child[0]), child[1]);
}
return;
}
if ("link".equals(tagName)) {
String[] child = (String[]) value;
if (child[2] == null) {
LOG.error("couldn't create reference '" + child[0] + "' : traget node id is null");
return;
}
SReference ref = fieldhelper.readLink(result, child[0], child[2], child[1]);
if (ref != null) {
result.setReference(ref.getRole(), ref);
}
return;
}
if ("node".equals(tagName)) {
SNode child = (SNode) value;
result.addChild(((String) child.getUserObject("role")), child);
child.putUserObject("role", null);
return;
}
super.handleChild(resultObject, tagName, value);
}
@Override
protected void handleAttribute(Object resultObject, String name, String value)
throws SAXException {
String result = (String) resultObject;
if ("namespace".equals(name)) {
return;
}
super.handleAttribute(resultObject, name, value);
}
@Override
protected void handleAttribute(Object resultObject, String name, String value)
throws SAXException {
Integer result = (Integer) resultObject;
if ("version".equals(name)) {
return;
}
super.handleAttribute(resultObject, name, value);
}
@Override
protected void handleAttribute(Object resultObject, String name, String value)
throws SAXException {
ModelLoadResult result = (ModelLoadResult) resultObject;
if ("modelUID".equals(name)) {
return;
}
super.handleAttribute(resultObject, name, value);
}
@Override
protected void handleChild(Object resultObject, String tagName, Object value)
throws SAXException {
Object result = (Object) resultObject;
if ("node".equals(tagName)) {
SNode child = (SNode) value;
if (fieldtoState == ModelLoadingState.ROOTS_LOADED && child != null) {
fieldmodel.addRoot(child);
}
return;
}
super.handleChild(resultObject, tagName, value);
}
@Override
protected void handleChild(Object resultObject, String tagName, Object value)
throws SAXException {
ModelLoadResult result = (ModelLoadResult) resultObject;
if ("persistence".equals(tagName)) {
return;
}
if ("language".equals(tagName)) {
String child = (String) value;
fieldmodel.addLanguage(ModuleReference.fromString(child));
return;
}
if ("language-engaged-on-generation".equals(tagName)) {
String child = (String) value;
fieldmodel.addEngagedOnGenerationLanguage(ModuleReference.fromString(child));
return;
}
if ("devkit".equals(tagName)) {
String child = (String) value;
fieldmodel.addDevKit(ModuleReference.fromString(child));
return;
}
if ("import".equals(tagName)) {
String[] child = (String[]) value;
fieldhelper.addImport(
fieldmodel, child[0], child[1], Integer.parseInt(child[2]), child[3] != null);
return;
}
if ("node".equals(tagName)) {
SNode child = (SNode) value;
if (child != null) {
fieldmodel.addRoot(child);
}
return;
}
if ("root_stubs".equals(tagName)) {
Object child = (Object) value;
if (fieldtoState == ModelLoadingState.ROOTS_LOADED) {
result.setState(ModelLoadingState.ROOTS_LOADED);
throw new BreakParseSAXException();
}
return;
}
super.handleChild(resultObject, tagName, value);
}
@Override
protected void handleAttribute(Object resultObject, String name, String value)
throws SAXException {
String[] result = (String[]) resultObject;
if ("role".equals(name)) {
result[0] = value;
return;
}
if ("resolveInfo".equals(name)) {
result[1] = value;
return;
}
if ("targetNodeId".equals(name)) {
result[2] = value;
return;
}
super.handleAttribute(resultObject, name, value);
}
@Override
protected void handleAttribute(Object resultObject, String name, String value)
throws SAXException {
String[] result = (String[]) resultObject;
if ("index".equals(name)) {
return;
}
if ("version".equals(name)) {
return;
}
if ("modelUID".equals(name)) {
return;
}
if ("implicit".equals(name)) {
result[3] = value;
return;
}
super.handleAttribute(resultObject, name, value);
}
@Override
protected void handleAttribute(Object resultObject, String name, String value)
throws SAXException {
SNode result = (SNode) resultObject;
if ("type".equals(name)) {
return;
}
if ("role".equals(name)) {
result.putUserObject("role", fieldhelper.readRole(value));
return;
}
if ("id".equals(name)) {
SNodeId id = jetbrains.mps.smodel.SNodeId.fromString(value);
if (id == null) {
throw new SAXParseException("bad node ID", null);
}
((jetbrains.mps.smodel.SNode) result).setId(id);
return;
}
super.handleAttribute(resultObject, name, value);
}