@Override
public VPackage parse() {
logger.debug("Starting parsing package: " + xmlFile.getAbsolutePath());
long startParsing = System.currentTimeMillis();
try {
Document document = getDocument();
Element root = document.getDocumentElement();
_package = new VPackage(xmlFile);
Node name = root.getElementsByTagName(EL_NAME).item(0);
_package.setName(name.getTextContent());
Node descr = root.getElementsByTagName(EL_DESCRIPTION).item(0);
_package.setDescription(descr.getTextContent());
NodeList list = root.getElementsByTagName(EL_CLASS);
boolean initPainters = false;
for (int i = 0; i < list.getLength(); i++) {
PackageClass pc = parseClass((Element) list.item(i));
if (pc.getPainterName() != null) {
initPainters = true;
}
}
if (initPainters) {
_package.initPainters();
}
logger.info(
"Parsing the package '{}' finished in {}ms.\n",
_package.getName(),
(System.currentTimeMillis() - startParsing));
} catch (Exception e) {
collector.collectDiagnostic(e.getMessage(), true);
if (RuntimeProperties.isLogDebugEnabled()) {
e.printStackTrace();
}
}
try {
checkProblems("Error parsing package file " + xmlFile.getName());
} catch (Exception e) {
return null;
}
return _package;
}
public void addPackageClass(PackageClass pClass) {
Document doc;
try {
doc = getDocument();
} catch (Exception e) {
e.printStackTrace();
return;
}
String name = pClass.getName();
// check if such class exists and remove duplicates
Element rootEl = doc.getDocumentElement();
NodeList classEls = rootEl.getElementsByTagName(EL_CLASS);
for (int i = 0; i < classEls.getLength(); i++) {
Element nameEl = getElementByName((Element) classEls.item(i), EL_NAME);
if (name.equals(nameEl.getTextContent())) {
rootEl.removeChild(classEls.item(i));
}
}
Element classNode = doc.createElement(EL_CLASS);
doc.getDocumentElement().appendChild(classNode);
classNode.setAttribute(ATR_TYPE, PackageClass.ComponentType.SCHEME.getXmlName());
classNode.setAttribute(ATR_STATIC, "false");
Element className = doc.createElement(EL_NAME);
className.setTextContent(name);
classNode.appendChild(className);
Element desrc = doc.createElement(EL_DESCRIPTION);
desrc.setTextContent(pClass.getDescription());
classNode.appendChild(desrc);
Element icon = doc.createElement(EL_ICON);
icon.setTextContent(pClass.getIcon());
classNode.appendChild(icon);
// graphics
classNode.appendChild(generateGraphicsNode(doc, pClass.getGraphics()));
// ports
List<Port> ports = pClass.getPorts();
if (!ports.isEmpty()) {
Element portsEl = doc.createElement(EL_PORTS);
classNode.appendChild(portsEl);
for (Port port : ports) {
portsEl.appendChild(generatePortNode(doc, port));
}
}
// fields
Collection<ClassField> fields = pClass.getFields();
if (!fields.isEmpty()) {
Element fieldsEl = doc.createElement(EL_FIELDS);
classNode.appendChild(fieldsEl);
for (ClassField cf : fields) {
fieldsEl.appendChild(generateFieldNode(doc, cf));
}
}
// write
try {
writeDocument(doc, new FileOutputStream(xmlFile));
} catch (FileNotFoundException e) {
e.printStackTrace();
}
}
private void parsePort(PackageClass newClass, Element portNode) {
String name = portNode.getAttribute(ATR_NAME);
String type = portNode.getAttribute(ATR_TYPE);
String x = portNode.getAttribute(ATR_X);
String y = portNode.getAttribute(ATR_Y);
String portConnection = portNode.getAttribute(ATR_PORT_CONNECTION);
String strict = portNode.getAttribute(ATR_STRICT);
String multi = portNode.getAttribute(ATR_MULTI);
ClassField cf = newClass.getSpecField(name);
if (newClass.getComponentType().hasSpec()) {
if (name.indexOf(".") > -1) {
// TODO - temporarily do not dig into hierarchy
int idx = name.indexOf(".");
String root = name.substring(0, idx);
if (newClass.getSpecField(root) == null) {
collector.collectDiagnostic(
"Field "
+ root
+ " in class "
+ newClass.getName()
+ " is not declared in the specification, variable "
+ type
+ " "
+ name
+ " ignored ");
return;
}
newClass.addSpecField(new ClassField(name, type));
} else if (!TypeUtil.TYPE_THIS.equalsIgnoreCase(name)) {
if (cf == null) {
collector.collectDiagnostic(
"Port "
+ type
+ " "
+ name
+ " in class "
+ newClass.getName()
+ " does not have the corresponding field in the specification");
} else if (!cf.getType().equals(type)
// type may be declared as "alias", however cf.getType() returns e.g. "double[]", ignore
// it
&& !(cf.isAlias() && TypeUtil.TYPE_ALIAS.equals(type))) {
collector.collectDiagnostic(
"Port "
+ type
+ " "
+ name
+ " in class "
+ newClass.getName()
+ " does not match the field declared in the specification: "
+ cf.getType()
+ " "
+ cf.getName());
}
}
}
Port newPort =
new Port(
name,
type,
Integer.parseInt(x),
Integer.parseInt(y),
portConnection,
Boolean.parseBoolean(strict),
Boolean.parseBoolean(multi));
if (portNode.hasAttribute(ATR_ID)) newPort.setId(portNode.getAttribute(ATR_ID));
Element gr;
// open
if ((gr = getElementByName(portNode, EL_OPEN)) != null
&& (gr = getElementByName(gr, EL_GRAPHICS)) != null) {
newPort.setOpenGraphics(getGraphicsParser().parse(gr));
}
// closed
if ((gr = getElementByName(portNode, EL_CLOSED)) != null
&& (gr = getElementByName(gr, EL_GRAPHICS)) != null) {
newPort.setClosedGraphics(getGraphicsParser().parse(gr));
}
newClass.addPort(newPort);
}
private void parseField(PackageClass newClass, Element fieldNode) {
String name = fieldNode.getAttribute(ATR_NAME);
String type = fieldNode.getAttribute(ATR_TYPE);
ClassField newField;
if (newClass.getComponentType().hasSpec()) {
if (name.indexOf(".") > -1) {
// TODO - temporarily do not dig into hierarchy
int idx = name.indexOf(".");
String root = name.substring(0, idx);
if (newClass.getSpecField(root) == null) {
collector.collectDiagnostic(
"Field "
+ root
+ " in class "
+ newClass.getName()
+ " is not declared in the specification, variable "
+ type
+ " "
+ name
+ " ignored ");
return;
}
newField = new ClassField(name, type);
newClass.addSpecField(newField);
} else {
newField = newClass.getSpecField(name);
if (newField == null) {
collector.collectDiagnostic(
"Field "
+ type
+ " "
+ name
+ " in class "
+ newClass.getName()
+ " is not declared in the specification");
return;
} else if (!newField.getType().equals(type)) {
collector.collectDiagnostic(
"Field "
+ type
+ " "
+ name
+ " in class "
+ newClass.getName()
+ " does not match the field declared in the specification: "
+ newField.getType()
+ " "
+ newField.getName());
return;
}
}
} else {
newField = new ClassField(name, type);
newClass.addSpecField(newField);
}
newField.setValue(fieldNode.hasAttribute(ATR_VALUE) ? fieldNode.getAttribute(ATR_VALUE) : null);
newField.setDescription(fieldNode.getAttribute(ATR_DESCRIPTION));
newField.setHidden(Boolean.parseBoolean(fieldNode.getAttribute(ATR_HIDDEN)));
String nature = fieldNode.getAttribute(ATR_NATURE);
if ("input".equals(nature)) newField.setInput(true);
else if ("goal".equals(nature)) newField.setGoal(true);
newClass.addField(newField);
Element gr;
// known
if ((gr = getElementByName(fieldNode, EL_KNOWN)) != null
&& (gr = getElementByName(gr, EL_GRAPHICS)) != null) {
newField.setKnownGraphics(getGraphicsParser().parse(gr));
}
// default
if ((gr = getElementByName(fieldNode, EL_DEFAULT)) != null
&& (gr = getElementByName(gr, EL_GRAPHICS)) != null) {
newField.setDefaultGraphics(getGraphicsParser().parse(gr));
}
}
private PackageClass parseClass(Element classNode) {
PackageClass newClass = new PackageClass();
_package.getClasses().add(newClass);
newClass.setComponentType(PackageClass.ComponentType.getType(classNode.getAttribute(ATR_TYPE)));
newClass.setStatic(Boolean.parseBoolean(classNode.getAttribute(ATR_STATIC)));
newClass.setName(getElementByName(classNode, EL_NAME).getTextContent());
final String source = getElementStringByName(classNode, EL_FILE);
if (source != null) {
newClass.setSource(source);
}
newClass.setTarget(getElementStringByName(classNode, EL_EXTENDS));
newClass.setDescription(getElementByName(classNode, EL_DESCRIPTION).getTextContent());
newClass.setIcon(getElementByName(classNode, EL_ICON).getTextContent());
// parse all variables declared in the corresponding specification
if (newClass.getComponentType().hasSpec()) {
final String newClassName = newClass.getName();
try {
switch (RuntimeProperties.getSpecParserKind()) {
case REGEXP:
{
ClassList classList = new ClassList();
SpecParser.parseSpecClass(newClassName, getWorkingDir(), classList);
newClass.setSpecFields(classList.getType(newClassName).getFields());
break;
}
case ANTLR:
{
if (specificationLoader == null) {
specificationLoader =
new SpecificationLoader(new PackageSpecSourceProvider(_package), null);
}
final AnnotatedClass annotatedClass =
specificationLoader.getSpecification(newClassName);
newClass.setSpecFields(annotatedClass.getFields());
break;
}
default:
throw new IllegalStateException("Undefined specification language parser");
}
} catch (SpecParseException e) {
final String msg = "Unable to parse the specification of class " + newClassName;
logger.error(msg, e);
collector.collectDiagnostic(msg + "\nReason: " + e.getMessage() + "\nLine: " + e.getLine());
}
}
// Graphics
Element grNode = getElementByName(classNode, EL_GRAPHICS);
newClass.addGraphics(
getGraphicsParser().parse(grNode/*, newClass.getComponentType() == ComponentType.REL*/ ));
Element painter;
if ((painter = getElementByName(grNode, EL_PAINTER)) != null) {
newClass.setPainterName(painter.getTextContent());
}
// Ports
NodeList ports = classNode.getElementsByTagName(EL_PORT);
for (int i = 0; i < ports.getLength(); i++) {
parsePort(newClass, (Element) ports.item(i));
}
// Fields
NodeList fields = classNode.getElementsByTagName(EL_FIELD);
for (int i = 0; i < fields.getLength(); i++) {
parseField(newClass, (Element) fields.item(i));
}
return newClass;
}