@NbBundle.Messages({
"ERR_instructionBadPlacement=Bad placement for processing instruction. Must be before all elements."
})
@Override
public void processingInstruction(String target, String data) throws SAXException {
start = contentLocator.getElementOffset();
end = contentLocator.getEndOffset();
addElementErrors();
FxNode node = null;
boolean broken = false;
if (!isTopLevel() || rootComponent != null) {
addError("instruction-bad-placement", ERR_instructionBadPlacement());
broken = true;
}
if (FX_IMPORT.equals(target)) {
node = handleFxImport(data);
} else if (FX_LANGUAGE.equals(target)) {
node = handleFxLanguage(data);
} else if (!"xml".equals(target)) {
handleErrorInstruction(target, data);
}
if (node == null) {
return;
}
i(node).makePI().startAt(start).endsAt(end);
if (broken) {
accessor.makeBroken(node);
}
attachChildNode(node);
}
@NbBundle.Messages({
"# {0} - NS prefix",
"ERR_undeclaredElementPrefix=XML namespace prefix ''{0}'' is undeclared"
})
@Override
public void startElement(String uri, String localName, String qName, Attributes atts)
throws SAXException {
this.tagName = localName;
FxNode newElement;
start = contentLocator.getElementOffset();
end = contentLocator.getEndOffset();
addElementErrors();
if (uri == null && !qName.equals(localName)) {
// undeclared prefix
int prefColon = qName.indexOf(':');
String prefix = qName.substring(0, prefColon);
addError("undeclared-prefix", ERR_undeclaredElementPrefix(prefix));
newElement = accessor.createErrorElement(localName);
} else if ("".equals(localName)) {
newElement = accessor.createErrorElement(localName);
} else if (FXML_FX_NAMESPACE.equals(uri)) {
newElement = handleFxmlElement(localName, atts);
} else {
// non-fx namespace, should be either an instance, or a property or an event
String eventName = FxXmlSymbols.getEventHandlerName(localName);
if (rootComponent == null || FxXmlSymbols.isClassTagName(localName)) {
newElement = handleClassTag(localName, atts);
} else if (eventName != null) {
newElement = handleEventHandlerTag(eventName);
} else {
newElement = handlePropertyTag(localName, atts);
}
}
if (newElement == null) {
throw new IllegalStateException();
}
initElement(newElement);
FxNode newNode = newElement;
// if not broken attempt to attach the Element to a parent
if (!newElement.isBroken()) {
if (newElement instanceof FxObjectBase) {
newNode = attachInstance((FxObjectBase) newElement);
} else if (newElement instanceof PropertyValue) {
newNode = attachProperty((PropertyValue) newElement);
}
}
attachChildNode(newNode);
// process attributes, iff it is an instance. Attribute processing needs the node pushed
// on the stack, so it is delayed after attachChildNode
if (newNode.getKind() == Kind.Instance) {
processInstanceAttributes(atts);
}
}
private ErrorMark addError(String errCode, String message, Object... params) {
int offs = contentLocator.getElementOffset();
ErrorMark m =
new ErrorMark(offs, contentLocator.getEndOffset() - offs, errCode, message, params);
addError(m);
return m;
}
@Override
public void characterSequence(CharSequence seq) {
addElementErrors();
int length = seq.length();
FxNode node = nodeStack.peek();
FxNode addedNode = null;
switch (node.getKind()) {
case Event:
addedNode = handleEventContent(seq);
break;
case Instance:
addedNode = handleInstanceContent(seq);
break;
case Property:
addedNode = handlePropertyContent(seq);
break;
default:
addError(
new ErrorMark(
contentLocator.getElementOffset(),
length,
"unexpected-characters",
ERR_unexpectedCharacters()));
}
if (addedNode != null) {
i(addedNode).endsAt(contentLocator.getEndOffset());
}
}
@NbBundle.Messages({
"# {0} - PI target",
"ERR_invalidProcessingInstruction=Invalid processing instruction: {0}. Expected 'import', 'include' or 'language'",
"ERR_missingProcessingInstruction=Missing processing intruction."
})
private void handleErrorInstruction(String target, String data) {
int start = contentLocator.getElementOffset();
int offset = -1;
int piOffset = -1;
TokenSequence<XMLTokenId> seq = contentLocator.getTokenSequence();
// lex up to the invalid target:
seq.move(start);
boolean found = false;
while (!found && seq.moveNext()) {
Token<XMLTokenId> t = seq.token();
switch (t.id()) {
case PI_START:
piOffset = offset;
if (target == null) {
found = true;
}
case WS:
break;
default:
case PI_TARGET:
offset = seq.offset();
found = true;
break;
}
}
ErrorMark mark;
if (target != null) {
mark =
new ErrorMark(
offset,
seq.token().length(),
"invalid-processing-instruction",
ERR_invalidProcessingInstruction(target),
target);
} else {
mark =
new ErrorMark(
piOffset,
seq.token().length(),
"missing-processing-instruction",
ERR_missingProcessingInstruction());
}
addError(mark);
}
@Override
public void endDocument() throws SAXException {
addElementErrors();
accessor.initModel(fxModel, controllerName, rootComponent, language);
int end = contentLocator.getElementOffset();
i(fxModel).endContent(end).endsAt(end, true);
// attempt to fix up unclosed elements
// fixNodes(i(fxModel), end);
}
private void initAttribute(FxNode node, String atQName) {
NodeInfo ni = i(node);
ni.makeAttribute();
int[] offsets = contentLocator.getAttributeOffsets(atQName);
ni.startAt(offsets[ContentLocator.OFFSET_START])
.endsAt(offsets[ContentLocator.OFFSET_END])
.startContent(offsets[ContentLocator.OFFSET_VALUE_START])
.endContent(offsets[ContentLocator.OFFSET_VALUE_END]);
}
@Override
public void endElement(String uri, String localName, String qName) throws SAXException {
addElementErrors();
FxNode node = nodeStack.pop();
i(node).endsAt(contentLocator.getEndOffset()).endContent(contentLocator.getElementOffset());
if (node instanceof PropertySetter) {
PropertySetter s = (PropertySetter) node;
if (s.isImplicit()) {
// actually the outer element ends
node = nodeStack.pop();
// copy the offset information
i(node).endsAt(contentLocator.getEndOffset()).endContent(contentLocator.getElementOffset());
}
}
String tn = node.getSourceName();
if (!tn.equals(localName)) {
throw new IllegalStateException();
}
// special hack for parent nodes, which are implicit property setters:
FxNode parentNode = nodeStack.peek();
if (parentNode instanceof PropertySetter) {
PropertySetter ps = (PropertySetter) parentNode;
if (ps.isImplicit() && ps.getContent() == null) {
i(ps).endsAt(contentLocator.getEndOffset()).endContent(contentLocator.getEndOffset());
}
}
if (!nodeStack.isEmpty() && nodeStack.peek().getKind() == Kind.Instance) {
current = (FxInstance) nodeStack.peek();
} else {
current = null;
}
}
private void addAttributeError(String qName, String code, String message, Object... params) {
int[] offsets = contentLocator.getAttributeOffsets(qName);
int s;
if (offsets == null) {
FxNode n = nodeStack.peek();
if (n != null) {
s = i(n).getStart();
} else {
s = -1;
}
} else {
s = offsets[ContentLocator.OFFSET_START];
}
addError(new ErrorMark(s, qName.length(), code, message, params));
}
private FxNode handleInstanceContent(CharSequence seq) {
// find among properties as setter, which is marked as implicit. If there's none, create one.
PropertySetter defaultSetter = null;
for (PropertyValue p : current.getProperties()) {
if (p instanceof PropertySetter) {
PropertySetter ps = (PropertySetter) p;
if (ps.isImplicit()) {
defaultSetter = ps;
}
}
}
if (defaultSetter == null) {
defaultSetter = accessor.createProperty(null, true);
i(defaultSetter).startAt(contentLocator.getElementOffset());
attachProperty(defaultSetter);
attachChildNode(defaultSetter);
}
accessor.addContent(defaultSetter, seq);
return defaultSetter;
}
/**
* Checks that the instance is allowed in this context. May even create e.g. default property
* setter etc. Will return true, if the instance can be attached to the parent.
*/
@NbBundle.Messages({
"# {0} - tag name",
"ERR_moreRootElements=Duplicate root element: {0}",
"ERR_instanceInMapProperty=Cannot add instances directly to readonly Map",
"# {0} - parent tag name",
"ERR_parentNotSupportInstance=Instances cannot be added to the parent {0}"
})
private FxNode attachInstance(FxObjectBase instance) {
String localName = instance.getSourceName();
int off = contentLocator.getElementOffset() + 1;
// check the parent, whether it is appropriate to host such a node:
FxNode parent = nodeStack.peek();
if (parent.getKind() == Kind.Instance) {
// pretend we have a default property
PropertySetter s = accessor.createProperty(null, true);
i(s).startAt(contentLocator.getElementOffset());
attachChildNode(s);
parent = s;
}
if (parent.getKind() == Kind.Source) {
FxObjectBase old = rootComponent;
if (old != null) {
addError(
new ErrorMark(
off,
contentLocator.getEndOffset() - off,
"duplicate-root",
ERR_moreRootElements(localName),
localName));
accessor.makeBroken(instance);
} else if (!(instance instanceof FxInstance)) {
// FIXME - report error that fx:reference is not accepted on root element
throw new UnsupportedOperationException();
} else {
rootComponent = (FxInstance) instance;
}
} else if (parent.getKind() == Kind.Property) {
if (parent instanceof MapProperty) {
addError(
new ErrorMark(
off,
contentLocator.getEndOffset() - off,
"instance-in-map-property",
ERR_instanceInMapProperty(),
localName));
accessor.makeBroken(instance);
}
} else if (parent.getKind() == Kind.Element
&& parent.getSourceName().equals(FxXmlSymbols.FX_DEFINITIONS)
&& (instance instanceof FxNewInstance)) {
instanceDefinitions.add((FxNewInstance) instance);
} else {
if (parent.getKind() != Kind.Error) {
addError(
new ErrorMark(
off,
contentLocator.getEndOffset() - off,
"parent-not-support-instance",
ERR_parentNotSupportInstance(parent.getSourceName())));
accessor.makeBroken(instance);
}
}
return instance;
}
@NbBundle.Messages({
"# {0} - tag name",
"ERR_tagNotJavaIdentifier=Invalid class name: {0}",
"# {0} - tag name",
"ERR_fxControllerPermittedOnRoot=fx:controller is not permitted on tag {0}. Can be only present on root element."
})
private FxNewInstance handleClassTag(String localName, Attributes atts) {
String fxValueContent = null;
String fxFactoryContent = null;
String fxId = null;
int off = contentLocator.getElementOffset() + 1; // the <
for (int i = 0; i < atts.getLength(); i++) {
String uri = atts.getURI(i);
if (!FXML_FX_NAMESPACE.equals(uri)) {
// no special attribute
continue;
}
String name = atts.getLocalName(i);
if (FX_VALUE.equals(name)) {
fxValueContent = atts.getValue(i);
} else if (FX_FACTORY.equals(name)) {
fxFactoryContent = atts.getValue(i);
} else if (FX_ID.equals(name)) {
fxId = atts.getValue(i);
} else if (FX_CONTROLLER.equals(name)) {
if (nodeStack.peek().getKind() != Kind.Source) {
addAttributeError(
atts.getQName(i),
"fx-controller-permitted-on-root",
ERR_fxControllerPermittedOnRoot(localName),
localName);
} else {
controllerName = atts.getValue(i);
}
} else {
addAttributeError(
atts.getQName(i),
"invalid-property-reserved-name",
ERR_invalidReservedPropertyName(name),
name);
}
}
// first we must check how this class tag is created.
FxNewInstance instance =
accessor.createInstance(localName, fxValueContent, fxFactoryContent, fxId);
if (!FxXmlSymbols.isQualifiedIdentifier(localName)) {
// not a java identifier, error
addError(
new ErrorMark(
off,
localName.length(),
"invalid-class-name",
ERR_tagNotJavaIdentifier(localName),
localName));
accessor.makeBroken(instance);
return instance;
}
return instance;
}
private void initElement(FxNode node) {
NodeInfo ni = i(node);
ni.startAt(contentLocator.getElementOffset()).startContent(contentLocator.getEndOffset());
ni.setTagName(tagName);
}
void addElementErrors() {
this.errors.addAll(contentLocator.getErrors());
}