X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FDocIterator.h;h=6e730ea685018f6b85116c6adbdffdb07469b39e;hb=36dbec45069bf3d9db923200835e44f44d904eb8;hp=fc6125186c460b87f2b8c8e18b49ff31cf9fb528;hpb=95146d3cf911230ee6c810e22d0243f83ce977a3;p=features.git

diff --git a/src/DocIterator.h b/src/DocIterator.h
index fc6125186c..6e730ea685 100644
--- a/src/DocIterator.h
+++ b/src/DocIterator.h
@@ -262,6 +262,32 @@ inline bool operator!=(DocIterator const & di1, DocIterator const & di2)
 }
 
 
+inline
+bool operator<(DocIterator const & p, DocIterator const & q)
+{
+	size_t depth = std::min(p.depth(), q.depth());
+	for (size_t i = 0 ; i < depth ; ++i) {
+		if (p[i] != q[i])
+			return p[i] < q[i];
+	}
+	return p.depth() < q.depth();
+}
+
+
+inline	
+bool operator>(DocIterator const & p, DocIterator const & q)
+{
+	return q < p;
+}
+
+
+inline	
+bool operator<=(DocIterator const & p, DocIterator const & q)
+{
+	return !(q < p);
+}
+
+
 // The difference to a ('non stable') DocIterator is the removed
 // (overwritten by 0...) part of the CursorSlice data items. So this thing
 // is suitable for external storage, but not for iteration as such.