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());
}
}
public static boolean isSettingsFile(PsiFile file) {
if (!(file instanceof XmlFile)) return false;
XmlTag rootTag = ((XmlFile) file).getRootTag();
if (rootTag == null || !"settings".equals(rootTag.getName())) return false;
String xmlns = rootTag.getAttributeValue("xmlns");
if (xmlns != null) {
return xmlns.contains("maven");
}
boolean hasTag = false;
for (PsiElement e = rootTag.getFirstChild(); e != null; e = e.getNextSibling()) {
if (e instanceof XmlTag) {
if (SUBTAGS_IN_SETTINGS_FILE.contains(((XmlTag) e).getName())) return true;
hasTag = true;
}
}
return !hasTag;
}