public PostprocessReformattingAspect(
Project project, PsiManager psiManager, TreeAspect treeAspect) {
myProject = project;
myPsiManager = psiManager;
myTreeAspect = treeAspect;
PomManager.getModel(psiManager.getProject())
.registerAspect(
PostprocessReformattingAspect.class,
this,
Collections.singleton((PomModelAspect) treeAspect));
ApplicationListener applicationListener =
new ApplicationAdapter() {
public void writeActionStarted(final Object action) {
final CommandProcessor processor = CommandProcessor.getInstance();
if (processor != null) {
final Project project = processor.getCurrentCommandProject();
if (project == myProject) {
myPostponedCounter++;
}
}
}
public void writeActionFinished(final Object action) {
final CommandProcessor processor = CommandProcessor.getInstance();
if (processor != null) {
final Project project = processor.getCurrentCommandProject();
if (project == myProject) {
decrementPostponedCounter();
}
}
}
};
ApplicationManager.getApplication().addApplicationListener(applicationListener, this);
}
public String[] knownNamespaces() {
final PsiElement parentElement = getParent();
BidirectionalMap<String, String> map = initNamespaceMaps(parentElement);
Set<String> known = Collections.emptySet();
if (map != null) {
known = new HashSet<String>(map.values());
}
if (parentElement instanceof XmlTag) {
if (known.isEmpty()) return ((XmlTag) parentElement).knownNamespaces();
ContainerUtil.addAll(known, ((XmlTag) parentElement).knownNamespaces());
} else {
XmlExtension xmlExtension = XmlExtension.getExtensionByElement(this);
if (xmlExtension != null) {
final XmlFile xmlFile = xmlExtension.getContainingFile(this);
if (xmlFile != null) {
final XmlTag rootTag = xmlFile.getRootTag();
if (rootTag != null && rootTag != this) {
if (known.isEmpty()) return rootTag.knownNamespaces();
ContainerUtil.addAll(known, rootTag.knownNamespaces());
}
}
}
}
return ArrayUtil.toStringArray(known);
}
@NotNull
private Map<String, CachedValue<XmlNSDescriptor>> computeNsDescriptorMap() {
Map<String, CachedValue<XmlNSDescriptor>> map = null;
// XSD aware attributes processing
final String noNamespaceDeclaration =
getAttributeValue("noNamespaceSchemaLocation", XmlUtil.XML_SCHEMA_INSTANCE_URI);
final String schemaLocationDeclaration =
getAttributeValue("schemaLocation", XmlUtil.XML_SCHEMA_INSTANCE_URI);
if (noNamespaceDeclaration != null) {
map = initializeSchema(XmlUtil.EMPTY_URI, null, noNamespaceDeclaration, map);
}
if (schemaLocationDeclaration != null) {
final StringTokenizer tokenizer = new StringTokenizer(schemaLocationDeclaration);
while (tokenizer.hasMoreTokens()) {
final String uri = tokenizer.nextToken();
if (tokenizer.hasMoreTokens()) {
map = initializeSchema(uri, null, tokenizer.nextToken(), map);
}
}
}
// namespace attributes processing (XSD declaration via ExternalResourceManager)
if (hasNamespaceDeclarations()) {
for (final XmlAttribute attribute : getAttributes()) {
if (attribute.isNamespaceDeclaration()) {
String ns = attribute.getValue();
if (ns == null) ns = XmlUtil.EMPTY_URI;
ns = getRealNs(ns);
if (map == null || !map.containsKey(ns)) {
map = initializeSchema(ns, getNSVersion(ns, this), getNsLocation(ns), map);
}
}
}
}
return map == null ? Collections.<String, CachedValue<XmlNSDescriptor>>emptyMap() : map;
}
private List<PostponedAction> normalizeAndReorderPostponedActions(
final TreeSet<PostprocessFormattingTask> rangesToProcess, Document document) {
final List<PostprocessFormattingTask> freeFormatingActions =
new ArrayList<PostprocessFormattingTask>();
final List<ReindentTask> indentActions = new ArrayList<ReindentTask>();
PostprocessFormattingTask accumulatedTask = null;
Iterator<PostprocessFormattingTask> iterator = rangesToProcess.iterator();
while (iterator.hasNext()) {
final PostprocessFormattingTask currentTask = iterator.next();
if (accumulatedTask == null) {
accumulatedTask = currentTask;
iterator.remove();
} else if (accumulatedTask.getStartOffset() > currentTask.getEndOffset()
|| accumulatedTask.getStartOffset() == currentTask.getEndOffset()
&& !canStickActionsTogether(accumulatedTask, currentTask)) {
// action can be pushed
if (accumulatedTask instanceof ReindentTask) {
indentActions.add((ReindentTask) accumulatedTask);
} else {
freeFormatingActions.add(accumulatedTask);
}
accumulatedTask = currentTask;
iterator.remove();
} else if (accumulatedTask instanceof ReformatTask && currentTask instanceof ReindentTask) {
// split accumulated reformat range into two
if (accumulatedTask.getStartOffset() < currentTask.getStartOffset()) {
final RangeMarker endOfRange =
document.createRangeMarker(
accumulatedTask.getStartOffset(), currentTask.getStartOffset());
// add heading reformat part
rangesToProcess.add(new ReformatTask(endOfRange));
// and manage heading whitespace because formatter does not edit it in previous action
iterator = rangesToProcess.iterator();
//noinspection StatementWithEmptyBody
while (iterator.next().getRange() != currentTask.getRange()) ;
}
final RangeMarker rangeToProcess =
document.createRangeMarker(currentTask.getEndOffset(), accumulatedTask.getEndOffset());
freeFormatingActions.add(new ReformatWithHeadingWhitespaceTask(rangeToProcess));
accumulatedTask = currentTask;
iterator.remove();
} else {
if (!(accumulatedTask instanceof ReindentTask)) {
iterator.remove();
boolean withLeadingWhitespace =
accumulatedTask instanceof ReformatWithHeadingWhitespaceTask;
if (accumulatedTask instanceof ReformatTask
&& currentTask instanceof ReformatWithHeadingWhitespaceTask
&& accumulatedTask.getStartOffset() == currentTask.getStartOffset()) {
withLeadingWhitespace = true;
} else if (accumulatedTask instanceof ReformatWithHeadingWhitespaceTask
&& currentTask instanceof ReformatTask
&& accumulatedTask.getStartOffset() < currentTask.getStartOffset()) {
withLeadingWhitespace = false;
}
int newStart = Math.min(accumulatedTask.getStartOffset(), currentTask.getStartOffset());
int newEnd = Math.max(accumulatedTask.getEndOffset(), currentTask.getEndOffset());
RangeMarker rangeMarker;
if (accumulatedTask.getStartOffset() == newStart
&& accumulatedTask.getEndOffset() == newEnd) {
rangeMarker = accumulatedTask.getRange();
} else if (currentTask.getStartOffset() == newStart
&& currentTask.getEndOffset() == newEnd) {
rangeMarker = currentTask.getRange();
} else {
rangeMarker = document.createRangeMarker(newStart, newEnd);
}
if (withLeadingWhitespace) {
accumulatedTask = new ReformatWithHeadingWhitespaceTask(rangeMarker);
} else {
accumulatedTask = new ReformatTask(rangeMarker);
}
} else if (currentTask instanceof ReindentTask) {
iterator.remove();
} // TODO[ik]: need to be fixed to correctly process indent inside indent
}
}
if (accumulatedTask != null) {
if (accumulatedTask instanceof ReindentTask) {
indentActions.add((ReindentTask) accumulatedTask);
} else {
freeFormatingActions.add(accumulatedTask);
}
}
final List<PostponedAction> result = new ArrayList<PostponedAction>();
Collections.reverse(freeFormatingActions);
Collections.reverse(indentActions);
if (!freeFormatingActions.isEmpty()) {
FormatTextRanges ranges = new FormatTextRanges();
for (PostprocessFormattingTask action : freeFormatingActions) {
TextRange range = TextRange.create(action);
ranges.add(range, action instanceof ReformatWithHeadingWhitespaceTask);
}
result.add(new ReformatRangesAction(ranges));
}
if (!indentActions.isEmpty()) {
ReindentRangesAction reindentRangesAction = new ReindentRangesAction();
for (ReindentTask action : indentActions) {
reindentRangesAction.add(action.getRange(), action.getOldIndent());
}
result.add(reindentRangesAction);
}
return result;
}
private List<Pair<StubBasedPsiElementBase, CompositeElement>> calcStubAstBindings(
final ASTNode root, final Document cachedDocument) {
final StubTree stubTree = derefStub();
if (stubTree == null) {
return Collections.emptyList();
}
final Iterator<StubElement<?>> stubs = stubTree.getPlainList().iterator();
stubs.next(); // Skip file stub;
final List<Pair<StubBasedPsiElementBase, CompositeElement>> result =
ContainerUtil.newArrayList();
final StubBuilder builder = ((IStubFileElementType) getContentElementType()).getBuilder();
LazyParseableElement.setSuppressEagerPsiCreation(true);
try {
((TreeElement) root)
.acceptTree(
new RecursiveTreeElementWalkingVisitor() {
@Override
protected void visitNode(TreeElement node) {
CompositeElement parent = node.getTreeParent();
if (parent != null
&& builder.skipChildProcessingWhenBuildingStubs(parent, node)) {
return;
}
IElementType type = node.getElementType();
if (type instanceof IStubElementType
&& ((IStubElementType) type).shouldCreateStub(node)) {
if (!stubs.hasNext()) {
reportStubAstMismatch(
"Stub list is less than AST, last AST element: "
+ node.getElementType()
+ " "
+ node,
stubTree,
cachedDocument);
}
final StubElement stub = stubs.next();
if (stub.getStubType() != node.getElementType()) {
reportStubAstMismatch(
"Stub and PSI element type mismatch in "
+ getName()
+ ": stub "
+ stub
+ ", AST "
+ node.getElementType()
+ "; "
+ node,
stubTree,
cachedDocument);
}
PsiElement psi = stub.getPsi();
assert psi != null
: "Stub " + stub + " (" + stub.getClass() + ") has returned null PSI";
result.add(Pair.create((StubBasedPsiElementBase) psi, (CompositeElement) node));
}
super.visitNode(node);
}
});
} finally {
LazyParseableElement.setSuppressEagerPsiCreation(false);
}
if (stubs.hasNext()) {
reportStubAstMismatch(
"Stub list in " + getName() + " has more elements than PSI", stubTree, cachedDocument);
}
return result;
}