public ASTNode processRange(final ASTNode element, final int startOffset, final int endOffset) {
final PsiElement psiElement = SourceTreeToPsiMap.treeElementToPsi(element);
assert psiElement != null;
final PsiFile file = psiElement.getContainingFile();
final Document document = file.getViewProvider().getDocument();
final RangeMarker rangeMarker =
document != null && endOffset < document.getTextLength()
? document.createRangeMarker(startOffset, endOffset)
: null;
PsiElement elementToFormat =
document instanceof DocumentWindow
? InjectedLanguageManager.getInstance(file.getProject()).getTopLevelFile(file)
: psiElement;
final PsiFile fileToFormat = elementToFormat.getContainingFile();
final FormattingModelBuilder builder = LanguageFormatting.INSTANCE.forContext(fileToFormat);
if (builder != null) {
TextRange range = preprocess(element, TextRange.create(startOffset, endOffset));
if (document instanceof DocumentWindow) {
DocumentWindow documentWindow = (DocumentWindow) document;
range = documentWindow.injectedToHost(range);
}
// final SmartPsiElementPointer pointer =
// SmartPointerManager.getInstance(psiElement.getProject()).createSmartPsiElementPointer(psiElement);
final FormattingModel model =
CoreFormatterUtil.buildModel(
builder, elementToFormat, mySettings, FormattingMode.REFORMAT);
if (file.getTextLength() > 0) {
try {
FormatterEx.getInstanceEx()
.format(
model,
mySettings,
mySettings.getIndentOptions(fileToFormat.getFileType()),
new FormatTextRanges(range, true));
wrapLongLinesIfNecessary(file, document, startOffset, endOffset);
} catch (IncorrectOperationException e) {
LOG.error(e);
}
}
if (!psiElement.isValid()) {
if (rangeMarker != null) {
final PsiElement at = file.findElementAt(rangeMarker.getStartOffset());
final PsiElement result = PsiTreeUtil.getParentOfType(at, psiElement.getClass(), false);
assert result != null;
rangeMarker.dispose();
return result.getNode();
} else {
assert false;
}
}
// return SourceTreeToPsiMap.psiElementToTree(pointer.getElement());
}
if (rangeMarker != null) {
rangeMarker.dispose();
}
return element;
}
