* lily/include/translator.icc: new file.

[lilypond.git] / lily / pointer-group-interface.cc

diff --git a/lily/pointer-group-interface.cc b/lily/pointer-group-interface.cc
index aef7b46a4f447060ec7f5f9530b23b2a9d8f3fa5..07e49c351848147270136b8ce6d91876211c2f1e 100644 (file)
--- a/lily/pointer-group-interface.cc
+++ b/lily/pointer-group-interface.cc
@@ -1,58 +1,72 @@
-/*   
-  group-interface.cc --  implement Pointer_group_interface
-  
+/*
+  pointer-group-interface.cc -- implement Pointer_group_interface
+
   source file of the GNU LilyPond music typesetter
-  
-  (c) 1999--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-  
- */
-#include "group-interface.hh"
-#include "score-element.hh"
 
-/*
-  UGH clean me . 
- */
-Pointer_group_interface::Pointer_group_interface (Score_element * e)
-{
-  elt_l_ = e;
-  name_ = "elements";
-}
+  (c) 2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
+*/
 
-Pointer_group_interface::Pointer_group_interface (Score_element  *e, String s)
-{
-  elt_l_ =(Score_element*)e;
-  name_ = s;
-} 
+#include "pointer-group-interface.hh"
 
-/*
-  duh.
- */
-bool
-Pointer_group_interface::has_interface () 
+#include "lily-proto.hh"
+#include "item.hh"
+#include "grob-array.hh"
+#include "grob.hh"
+
+int
+Pointer_group_interface::count (Grob *me, SCM sym)
 {
-  SCM el = elt_l_->get_elt_property (name_.ch_C());
+  Grob_array *arr = unsmob_grob_array (me->internal_get_object (sym));
+  return arr ? arr->size() : 0;
+}
 
-  return el == SCM_EOL || gh_pair_p (el);
+void
+Pointer_group_interface::add_grob (Grob *me, SCM sym, SCM p)
+{
+  add_grob (me, sym, unsmob_grob (p));
 }
 
 
 void
-Pointer_group_interface::add_element (Score_element*p) 
+Pointer_group_interface::add_grob (Grob *me, SCM sym, Grob *p)
 {
-  elt_l_->set_elt_property (name_.ch_C(),
-                          gh_cons (p->self_scm (),
-                                   elt_l_->get_elt_property (name_.ch_C())));
+  SCM scm_arr = me->internal_get_object (sym);
+  Grob_array *arr = unsmob_grob_array (scm_arr);
+  if (!arr)
+    {
+      scm_arr = Grob_array::make_array ();
+      arr = unsmob_grob_array (scm_arr);
+      me->internal_set_object (sym, scm_arr);
+    }
+  arr->add (p);
 }
+  
+static Link_array<Grob> empty_array;
 
-int
-Pointer_group_interface::count ()
+Link_array<Grob> const &
+ly_scm2link_array (SCM x)
 {
-  return scm_ilength (elt_l_->get_elt_property (name_.ch_C()));
+  Grob_array *arr = unsmob_grob_array (x);
+  return arr ? arr->array () : empty_array;
 }
+  
 
-void
-Pointer_group_interface::set_interface ()
+Link_array<Grob> const &
+internal_extract_grob_array (Grob const *elt, SCM symbol)
 {
-} 
+  return ly_scm2link_array (elt->internal_get_object (symbol));
+}
 
+Link_array<Item>
+internal_extract_item_array (Grob const *elt, SCM symbol)
+{
+  Grob_array *arr = unsmob_grob_array (elt->internal_get_object (symbol));
+  Link_array<Item> items;
+  for (int i = 0; arr && i < arr->size (); i++)
+    {
+      items.push (arr->item (i));
+    }
+
+  return items;
+}