source file of the GNU LilyPond music typesetter
- (c) 1999--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1999--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#ifndef GROUP_INTERFACE_HH
#define GROUP_INTERFACE_HH
-#include "lily-proto.hh"
+#include "grob.hh"
#include "string.hh"
-#include "lily-guile.hh"
-#include "smobs.hh"
-
-/*
- rename to list interface?
- */
-
/**
Look at Score element ELT as thing which has a list property called
- NAME_. Normally the list would contain Score_elements, but
+ 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 ();
- void add_thing (SCM);
- bool has_interface_b ();
- void set_interface ();
- void add_element (Score_element*);
+ static int count (Grob* , String);
+ static void add_thing (Grob*, SCM, SCM);
+ static void add_thing (Grob*, String nm, SCM);
};
-Group_interface group (Score_element*);
-Group_interface group (Score_element*, String);
+struct Pointer_group_interface : public Group_interface {
+public:
+ static void add_grob (Grob*, SCM nm, Grob*e);
+};
-/**
- Put all score elements of ELT's property called NAME into an array,
- and return it. */
template<class T>
Link_array<T>
-Group_interface__extract_elements (Score_element const *elt, T *, String name)
+Pointer_group_interface__extract_grobs (Grob const *elt, T *, const char* name)
{
Link_array<T> arr;
- for (SCM s = elt->get_elt_property (name); gh_pair_p (s); s = gh_cdr (s))
+ for (SCM s = elt->get_property (name); scm_is_pair (s); s = scm_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));
+ SCM e = scm_car (s);
+ arr.push (dynamic_cast<T*> (unsmob_grob (e)));
}
arr.reverse ();