X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fgroup-interface.hh;h=2a94f0783adc9f7f1825f1eece178f8ed2f80ab3;hb=5b4b0d6e9a197e8f9eb085b7c2ad78b8be3e5cfc;hp=289ba913ba4ff236f8f6d2917549e19d1ecb3fea;hpb=01d84d552854fb399bd0e819502c6c2db2a1b214;p=lilypond.git

diff --git a/lily/include/group-interface.hh b/lily/include/group-interface.hh
index 289ba913ba..2a94f0783a 100644
--- a/lily/include/group-interface.hh
+++ b/lily/include/group-interface.hh
@@ -1,57 +1,30 @@
-/*   
+/*
   group-interface.hh -- declare Group_interface
-  
+
   source file of the GNU LilyPond music typesetter
-  
-  (c) 1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-  
- */
+
+  (c) 1999--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
 
 #ifndef GROUP_INTERFACE_HH
 #define GROUP_INTERFACE_HH
 
-#include "lily-proto.hh"
-#include "string.hh"
-#include "lily-guile.hh"
-#include "smobs.hh"
+#include "grob.hh"
+#include "std-string.hh"
+/**
+   Look at Score element ELT as thing which has a list property called
+   NAME_. Normally the list would contain Grobs, but
+   sometimes it can be different things.
+
+   todo: reename as list_interface?
+*/
 
 struct Group_interface
 {
-  Score_element * elt_l_;
-  String name_;
 public:
-  Group_interface (Score_element const*);
-  Group_interface (Score_element const*, String);
-  int count ();
-  bool supports_interface_b ();
-  void set_interface ();
-  void add_element (Score_element*);
+  static int count (Grob *, SCM);
+  static void add_thing (Grob *, SCM, SCM);
 };
 
-/*
-  template<class T>
-  Link_array<T> Group_interface__extract_elements (T *, String name);
-*/
-template<class T>
-Link_array<T>
-Group_interface__extract_elements (Score_element const *elt, T *, String name)
-{
-  Link_array<T> arr;
-
-  for (SCM s = elt->get_elt_property (name); gh_pair_p (s); s = gh_cdr (s))
-    {
-      SCM e = gh_car (s);
-      assert (SMOB_IS_TYPE_B(Score_element,e));
-      Score_element* se = SMOB_TO_TYPE(Score_element, e);
-      arr.push (dynamic_cast<T*> (se));
-    }
-
-  arr.reverse ();
-  return arr;
-}
-
-
-
-
 #endif /* GROUP_INTERFACE_HH */