Layout fixes (again IE .. :-( )

[senf.git] / Packets / ParserBase.hh

diff --git a/Packets/ParserBase.hh b/Packets/ParserBase.hh
index 69508b7..cb2ecce 100644 (file)
--- a/Packets/ParserBase.hh
+++ b/Packets/ParserBase.hh
@@ -29,6 +29,7 @@
 
 // Custom includes
 #include <utility>
+#include <boost/iterator/iterator_facade.hpp>
 #include <boost/type_traits/is_member_function_pointer.hpp>
 
 #include "ParserBase.ih"
@@ -39,7 +40,19 @@ namespace pkf {
     
     namespace impl { struct ParserBase; }
 
-    struct nil {};
+    struct nil 
+       : public boost::iterator_facade<nil,char,boost::random_access_traversal_tag>
+    {
+       // Theese are declared to make nil a valid iterator. All
+       // access to an instance of this iterator however is invalid
+       // (these members are not implemented only declared)
+       char & dereference() const;
+       bool equal(nil other) const;
+       void increment();
+       void decrement();
+       void advance(int n);
+       int distance_to(nil other) const;
+    };
 
     /** \brief Parser framework