public static void handleError(
SAXParseException ex, PsiFile file, Document document, ValidationMessageConsumer consumer) {
final String systemId = ex.getSystemId();
if (LOG.isDebugEnabled()) {
LOG.debug("RNG Schema error: " + ex.getMessage() + " [" + systemId + "]");
}
if (systemId != null) {
final VirtualFile virtualFile = findVirtualFile(systemId);
if (!Comparing.equal(virtualFile, file.getVirtualFile())) {
return;
}
}
final PsiElement at;
final int line = ex.getLineNumber();
if (line > 0) {
final int column = ex.getColumnNumber();
final int startOffset = document.getLineStartOffset(line - 1);
if (column > 0) {
if (file.getFileType() == RncFileType.getInstance()) {
final PsiElement e = file.findElementAt(startOffset + column);
if (e == null) {
at = e;
} else {
at = file.findElementAt(startOffset + column - 1);
}
} else {
at = file.findElementAt(startOffset + column - 2);
}
} else {
final PsiElement e = file.findElementAt(startOffset);
at = e != null ? PsiTreeUtil.nextLeaf(e) : null;
}
} else {
final XmlDocument d = ((XmlFile) file).getDocument();
assert d != null;
final XmlTag rootTag = d.getRootTag();
assert rootTag != null;
at = rootTag.getFirstChild();
}
final PsiElement host;
if (file instanceof RncFile) {
host = at;
} else {
host = PsiTreeUtil.getParentOfType(at, XmlAttribute.class, XmlTag.class);
}
if (at != null && host != null) {
consumer.onMessage(host, ex.getMessage());
} else {
consumer.onMessage(file, ex.getMessage());
}
}
@Nullable
@Override
public MyValidationMessageConsumer collectInformation(@NotNull final PsiFile file) {
final FileType type = file.getFileType();
if (type != StdFileTypes.XML && type != RncFileType.getInstance()) {
return null;
}
final XmlFile xmlfile = (XmlFile) file;
final XmlDocument document = xmlfile.getDocument();
if (document == null) {
return null;
}
if (type == StdFileTypes.XML) {
final XmlTag rootTag = document.getRootTag();
if (rootTag == null) {
return null;
}
if (!ApplicationLoader.RNG_NAMESPACE.equals(rootTag.getNamespace())) {
return null;
}
} else {
if (!ApplicationManager.getApplication().isUnitTestMode()
&& MyErrorFinder.hasError(xmlfile)) {
return null;
}
}
final Document doc = PsiDocumentManager.getInstance(file.getProject()).getDocument(file);
final MyValidationMessageConsumer consumer = new MyValidationMessageConsumer();
ErrorHandler eh =
new DefaultHandler() {
@Override
public void warning(SAXParseException e) {
handleError(e, file, doc, consumer.warning());
}
@Override
public void error(SAXParseException e) {
handleError(e, file, doc, consumer.error());
}
};
RngParser.parsePattern(file, eh, true);
return consumer;
}