public List collectJSONNodes(IStructuredModel model, int start, int length) {
List nodes = new ArrayList();
IndexedRegion startNode = model.getIndexedRegion(start);
IndexedRegion endNode = model.getIndexedRegion(start + length - 1);
if (startNode == null || endNode == null) {
return nodes;
}
if (model instanceof IJSONModel
&& startNode instanceof IJSONNode
&& endNode instanceof IJSONNode) {
// JSON model
IJSONNode ca = getCommonAncestor((IJSONNode) startNode, (IJSONNode) endNode);
if (ca != null) {
for (IJSONNode node = ca.getFirstChild();
node != null && start + length < ((IndexedRegion) node).getStartOffset();
node = node.getNextSibling()) {
if (start < ((IndexedRegion) node).getEndOffset()) {
nodes.add(node);
}
}
}
}
return nodes;
}
/**
* To see whether the textSelection start and end are on the same.
*
* @param model
* @param textSelection
* @return the node
*/
static boolean isSame(IStructuredModel model, TextSelection textSelection) {
if (model != null && textSelection != null) {
int t1 = textSelection.getOffset();
int t2 = textSelection.getLength() + t1;
return model.getIndexedRegion(t1) == model.getIndexedRegion(t2);
}
return false;
}
protected IndexedRegion getCorrespondingNode(IStructuredDocumentRegion sdRegion) {
IStructuredModel sModel =
StructuredModelManager.getModelManager().getExistingModelForRead(fDocument);
IndexedRegion indexedRegion = null;
try {
if (sModel != null) indexedRegion = sModel.getIndexedRegion(sdRegion.getStart());
} finally {
if (sModel != null) sModel.releaseFromRead();
}
return indexedRegion;
}
public void testGetIndexedRegion() throws IOException, CoreException {
IStructuredModel model = getTestModel();
try {
model.getIndexedRegion(0);
assertTrue(true);
} finally {
if (model != null) {
model.releaseFromEdit();
}
}
}
/**
* Get node at indexed position.
*
* @param model
* @param position
* @return the node at position
*/
static Node getNodeAt(IStructuredModel model, int position) {
try {
IndexedRegion region = model.getIndexedRegion(position);
if (region instanceof Node) {
return (Node) region;
}
return null;
} catch (Exception e) {
// "Error in region node creation"
_log.error("Error.EditModelQuery.1", e); // $NON-NLS-1$
return null;
}
}
/**
* Returns the closest IndexedRegion for the offset and viewer allowing for differences between
* viewer offsets and model positions. note: this method returns an IndexedRegion for read only
*
* @param viewer the viewer whose document is used to compute the proposals
* @param documentOffset an offset within the document for which completions should be computed
* @return an IndexedRegion
*/
public static IndexedRegion getNodeAt(ITextViewer viewer, int documentOffset) {
if (viewer == null) return null;
IndexedRegion node = null;
IModelManager mm = StructuredModelManager.getModelManager();
IStructuredModel model = null;
if (mm != null) model = mm.getExistingModelForRead(viewer.getDocument());
try {
if (model != null) {
int lastOffset = documentOffset;
node = model.getIndexedRegion(documentOffset);
while (node == null && lastOffset >= 0) {
lastOffset--;
node = model.getIndexedRegion(lastOffset);
}
}
} finally {
if (model != null) model.releaseFromRead();
}
return node;
}
/**
* originally copied from org.eclipse.wst.xml.ui.internal.hyperlink.XMLHyperlinkDetector this
* method grabs the IDOMModel for the IDocument, performs the passed operation on the node at the
* offset and then releases the IDOMModel operation's Node value is also an instance of
* IndexedRegion
*
* @param offset
*/
public static void performOnCurrentElement(
IDocument document, int offset, NodeOperation<Node> operation) {
assert document != null;
assert operation != null;
// get the current node at the offset (returns either: element,
// doctype, text)
IStructuredModel sModel = null;
try {
sModel = StructuredModelManager.getModelManager().getExistingModelForRead(document);
if (sModel != null) {
IndexedRegion inode = sModel.getIndexedRegion(offset);
if (inode == null) {
inode = sModel.getIndexedRegion(offset - 1);
}
if (inode instanceof Node) {
operation.process((Node) inode, sModel.getStructuredDocument());
}
}
} finally {
if (sModel != null) {
sModel.releaseFromRead();
}
}
}
/**
* To see if the range and text selection covered the same range.
*
* @param model
* @param range
* @param textSelection
* @return true if same
*/
static boolean isSame(IStructuredModel model, DesignRange range, TextSelection textSelection) {
if (model != null && range != null && textSelection != null) {
int t1 = textSelection.getOffset();
int t2 = textSelection.getLength() + t1;
int r1 = getIndexedRegionLocation(DOMRangeHelper.toDOMRange(range).getStartPosition());
int r2 = getIndexedRegionLocation(DOMRangeHelper.toDOMRange(range).getEndPosition());
return (model.getIndexedRegion(t1) == model.getIndexedRegion(r1)
&& //
model.getIndexedRegion(t2) == model.getIndexedRegion(r2))
|| (model.getIndexedRegion(t2) == model.getIndexedRegion(r1)
&& //
model.getIndexedRegion(t1) == model.getIndexedRegion(r2));
}
return false;
}
/**
* This validate call is for the ISourceValidator partial document validation approach
*
* @param dirtyRegion
* @param helper
* @param reporter
* @see org.eclipse.wst.sse.ui.internal.reconcile.validator.ISourceValidator
*/
public void validate(IRegion dirtyRegion, IValidationContext helper, IReporter reporter) {
if (helper == null || fDocument == null || !fEnableSourceValidation) return;
if ((reporter != null) && (reporter.isCancelled() == true)) {
throw new OperationCanceledException();
}
IStructuredModel model =
StructuredModelManager.getModelManager().getExistingModelForRead(fDocument);
if (model == null) return; // error
try {
IDOMDocument document = null;
if (model instanceof IDOMModel) {
document = ((IDOMModel) model).getDocument();
}
if (document == null || !hasHTMLFeature(document)) return; // ignore
ITextFileBuffer fb = FileBufferModelManager.getInstance().getBuffer(fDocument);
if (fb == null) return;
IFile file = ResourcesPlugin.getWorkspace().getRoot().getFile(fb.getLocation());
if (file == null || !file.exists()) return;
// this will be the wrong region if it's Text (instead of Element)
// we don't know how to validate Text
IndexedRegion ir =
getCoveringNode(dirtyRegion); // model.getIndexedRegion(dirtyRegion.getOffset());
if (ir instanceof Text) {
while (ir != null && ir instanceof Text) {
// it's assumed that this gets the IndexedRegion to
// the right of the end offset
ir = model.getIndexedRegion(ir.getEndOffset());
}
}
if (ir instanceof INodeNotifier) {
INodeAdapterFactory factory = HTMLValidationAdapterFactory.getInstance();
ValidationAdapter adapter = (ValidationAdapter) factory.adapt((INodeNotifier) ir);
if (adapter == null) return; // error
if (reporter != null) {
HTMLValidationReporter rep = null;
rep = getReporter(reporter, file, (IDOMModel) model);
rep.clear();
adapter.setReporter(rep);
Message mess =
new LocalizedMessage(
IMessage.LOW_SEVERITY, file.getFullPath().toString().substring(1));
reporter.displaySubtask(this, mess);
}
adapter.validate(ir);
}
} finally {
if (model != null) model.releaseFromRead();
}
}
/*
* Search the RegionContainer's regions looking for JSP content. If valid
* content is found, return the position >= 0 If no valid content is
* found, return NO_VALID_CONTENT. If a region starts after the line's
* endOffset, return END_OF_LINE.
*/
private static int getValidRegionPosition(
IStructuredModel model,
ITextRegionCollection regionContainer,
int startOffset,
int endOffset) {
ITextRegionList regions = regionContainer.getRegions();
for (int i = 0; i < regions.size(); i++) {
ITextRegion region = regions.get(i);
if (region instanceof ITextRegionCollection) {
int validPosition =
getValidRegionPosition(model, (ITextRegionCollection) region, startOffset, endOffset);
if (validPosition == END_OF_LINE || validPosition >= 0) return validPosition;
} else {
// region must be at least partially on selected line
if (regionContainer.getEndOffset(region) > startOffset) {
int regionStartOffset = regionContainer.getStartOffset(region);
// if region starts after line's endOffset, we're done
// searching
if (regionStartOffset > endOffset) return END_OF_LINE;
// If region is JSP content, make sure the language is
// Java not Javascript by
// checking the content assist adapter's type.
if (region.getType().equals(DOMJSPRegionContexts.JSP_CONTENT)) {
// DWM: this logic is not incorrect ... given changes
// to adapters, etc.
// but probably don't need anything here, since both
// Java and JavaScript
// are supported in V5.
// nsd_TODO: verify this!!!
// INodeNotifier notifier =
// (INodeNotifier)model.getNode(region.getStartOffset());
// IAdapterFactory factory =
// model.getFactoryRegistry().getFactoryFor(ContentAssistAdapter.class);
// if(factory instanceof
// HTMLContentAssistAdapterFactory) {
// INodeAdapter adapter =
// ((HTMLContentAssistAdapterFactory)factory).createAdapter(notifier,
// region);
// if(adapter != null && adapter instanceof
// JSPJavaContentAssistAdapter)
if (regionStartOffset > startOffset) return regionStartOffset;
else return startOffset;
// }
}
// a custom tag, jsp:useBean, getproperty or setproperty
// statement is also a valid breakpoint location
else if (region.getType().equals(DOMRegionContext.XML_TAG_NAME)
&& (isCustomTagRegion(model.getIndexedRegion(regionStartOffset))
|| regionContainer.getText(region).equals(JSP12Namespace.ElementName.USEBEAN)
|| regionContainer.getText(region).equals(JSP12Namespace.ElementName.GETPROPERTY)
|| regionContainer
.getText(region)
.equals(JSP12Namespace.ElementName.SETPROPERTY))) {
if (regionStartOffset > startOffset) return regionStartOffset;
else return startOffset;
} else {
// Defect #241090, the Text Nodes inside of JSP
// scriptlets, expressions, and declarations are valid
// breakpoint-able locations
boolean isCodeNode = false;
IndexedRegion node = model.getIndexedRegion(regionStartOffset);
if (node != null && node instanceof Node) {
Node domNode = (Node) node;
Node root = domNode.getOwnerDocument().getDocumentElement();
if (root != null
&& root.getNodeName().equals(JSP12Namespace.ElementName.ROOT)
&& domNode.getNodeType() == Node.TEXT_NODE
&& domNode.getParentNode() != null) {
String parentName = domNode.getParentNode().getNodeName();
isCodeNode =
parentName.equals(JSP12Namespace.ElementName.SCRIPTLET)
|| parentName.equals(JSP12Namespace.ElementName.EXPRESSION)
|| parentName.equals(JSP12Namespace.ElementName.DECLARATION);
}
}
if (isCodeNode) {
if (regionStartOffset > startOffset) return regionStartOffset;
else return startOffset;
}
}
}
}
}
return NO_VALID_CONTENT;
}
/**
* Get a node that is at Indexed position 'pos' in 'model'.
*
* @param model
* @param pos
* @return the
*/
IndexedRegion getPosNode(IStructuredModel model, int pos) {
IndexedRegion inode = model.getIndexedRegion(pos);
return inode;
}
