@Nullable
private static PsiElement findParent(
int syncStartOffset, int syncEndOffset, @NotNull AnchorTypeInfo type, PsiElement anchor) {
TextRange range = anchor.getTextRange();
if (range.getStartOffset() != syncStartOffset) return null;
while (range.getEndOffset() < syncEndOffset) {
anchor = anchor.getParent();
if (anchor == null || anchor.getTextRange() == null) {
return null;
}
range = anchor.getTextRange();
}
while (range.getEndOffset() == syncEndOffset) {
if (type.isAcceptable(anchor)) {
return anchor;
}
anchor = anchor.getParent();
if (anchor == null || anchor.getTextRange() == null) break;
range = anchor.getTextRange();
}
return null;
}
