2 group-interface.hh -- declare Group_interface
4 source file of the GNU LilyPond music typesetter
6 (c) 1999--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
10 #ifndef GROUP_INTERFACE_HH
11 #define GROUP_INTERFACE_HH
16 Look at Score element ELT as thing which has a list property called
17 NAME_. Normally the list would contain Grobs, but
18 sometimes it can be different things.
20 todo: reename as list_interface?
23 struct Group_interface
26 static int count (Grob*, SCM);
27 static void add_thing (Grob*, SCM, SCM);
30 struct Pointer_group_interface : public Group_interface {
32 static void add_grob (Grob*, SCM nm, Grob*e);
35 Link_array<Grob> extract_grob_array (Grob const *elt, SCM symbol);
36 Link_array<Item> extract_item_array (Grob const *elt, SCM symbol);
41 #endif /* GROUP_INTERFACE_HH */