public static boolean containsWhiteSpacesOnly(@Nullable ASTNode node) {
if (node == null) return false;
final boolean[] spacesOnly = {true};
((TreeElement) node)
.acceptTree(
new RecursiveTreeElementWalkingVisitor() {
@Override
public void visitComposite(CompositeElement composite) {
if (!spacesOnly(composite)) {
super.visitComposite(composite);
}
}
@Override
public void visitLeaf(LeafElement leaf) {
if (!spacesOnly(leaf)) {
spacesOnly[0] = false;
stopWalking();
}
}
});
return spacesOnly[0];
}
private static void createActionsMap(
final List<ASTNode> astNodes,
final FileViewProvider provider,
final TreeSet<PostprocessFormattingTask> rangesToProcess) {
final Set<ASTNode> nodesToProcess = new HashSet<ASTNode>(astNodes);
final Document document = provider.getDocument();
for (final ASTNode node : astNodes) {
nodesToProcess.remove(node);
final FileElement fileElement = TreeUtil.getFileElement((TreeElement) node);
if (fileElement == null || ((PsiFile) fileElement.getPsi()).getViewProvider() != provider)
continue;
final boolean isGenerated = CodeEditUtil.isNodeGenerated(node);
((TreeElement) node)
.acceptTree(
new RecursiveTreeElementVisitor() {
boolean inGeneratedContext = !isGenerated;
protected boolean visitNode(TreeElement element) {
if (nodesToProcess.contains(element)) return false;
if (CodeEditUtil.isPostponedFormattingDisabled(element)) return false;
final boolean currentNodeGenerated = CodeEditUtil.isNodeGenerated(element);
CodeEditUtil.setNodeGenerated(element, false);
if (currentNodeGenerated && !inGeneratedContext) {
rangesToProcess.add(
new ReformatTask(document.createRangeMarker(element.getTextRange())));
inGeneratedContext = true;
}
if (!currentNodeGenerated && inGeneratedContext) {
if (element.getElementType() == TokenType.WHITE_SPACE) return false;
final int oldIndent = CodeEditUtil.getOldIndentation(element);
LOG.assertTrue(
oldIndent >= 0,
"for not generated items old indentation must be defined: element "
+ element);
rangesToProcess.add(
new ReindentTask(
document.createRangeMarker(element.getTextRange()), oldIndent));
inGeneratedContext = false;
}
return true;
}
@Override
public void visitComposite(CompositeElement composite) {
boolean oldGeneratedContext = inGeneratedContext;
super.visitComposite(composite);
inGeneratedContext = oldGeneratedContext;
}
@Override
public void visitLeaf(LeafElement leaf) {
boolean oldGeneratedContext = inGeneratedContext;
super.visitLeaf(leaf);
inGeneratedContext = oldGeneratedContext;
}
});
CodeEditUtil.enablePostponedFormattingInTree(node);
}
}
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;
}
private static void createActionsMap(
@NotNull List<ASTNode> astNodes,
@NotNull FileViewProvider provider,
@NotNull final TreeSet<PostprocessFormattingTask> rangesToProcess) {
final Set<ASTNode> nodesToProcess = new HashSet<ASTNode>(astNodes);
final Document document = provider.getDocument();
if (document == null) {
return;
}
for (final ASTNode node : astNodes) {
nodesToProcess.remove(node);
final FileElement fileElement = TreeUtil.getFileElement((TreeElement) node);
if (fileElement == null || ((PsiFile) fileElement.getPsi()).getViewProvider() != provider)
continue;
final boolean isGenerated = CodeEditUtil.isNodeGenerated(node);
((TreeElement) node)
.acceptTree(
new RecursiveTreeElementVisitor() {
boolean inGeneratedContext = !isGenerated;
@Override
protected boolean visitNode(TreeElement element) {
if (nodesToProcess.contains(element)) return false;
final boolean currentNodeGenerated = CodeEditUtil.isNodeGenerated(element);
CodeEditUtil.setNodeGenerated(element, false);
if (currentNodeGenerated && !inGeneratedContext) {
rangesToProcess.add(
new ReformatTask(document.createRangeMarker(element.getTextRange())));
inGeneratedContext = true;
}
if (!currentNodeGenerated && inGeneratedContext) {
if (element.getElementType() == TokenType.WHITE_SPACE) return false;
final int oldIndent = CodeEditUtil.getOldIndentation(element);
CodeEditUtil.setOldIndentation(element, -1);
LOG.assertTrue(
oldIndent >= 0,
"for not generated items old indentation must be defined: element "
+ element);
for (TextRange indentRange : getEnabledRanges(element.getPsi())) {
rangesToProcess.add(
new ReindentTask(document.createRangeMarker(indentRange), oldIndent));
}
inGeneratedContext = false;
}
return true;
}
private Iterable<TextRange> getEnabledRanges(@NotNull PsiElement element) {
List<TextRange> disabledRanges = new ArrayList<TextRange>();
for (DisabledIndentRangesProvider rangesProvider :
DisabledIndentRangesProvider.EP_NAME.getExtensions()) {
Collection<TextRange> providedDisabledRanges =
rangesProvider.getDisabledIndentRanges(element);
if (providedDisabledRanges != null) {
disabledRanges.addAll(providedDisabledRanges);
}
}
return TextRangeUtil.excludeRanges(element.getTextRange(), disabledRanges);
}
@Override
public void visitComposite(CompositeElement composite) {
boolean oldGeneratedContext = inGeneratedContext;
super.visitComposite(composite);
inGeneratedContext = oldGeneratedContext;
}
@Override
public void visitLeaf(LeafElement leaf) {
boolean oldGeneratedContext = inGeneratedContext;
super.visitLeaf(leaf);
inGeneratedContext = oldGeneratedContext;
}
});
}
}