/*
- engravergroup.cc -- implement Engraver_group_engraver
-
+ engraver-group-engraver.cc -- implement Engraver_group_engraver
+
source file of the GNU LilyPond music typesetter
- (c) 1997--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "flower-proto.hh"
#include "engraver-group-engraver.hh"
#include "engraver.hh"
-#include "debug.hh"
+#include "warn.hh"
#include "paper-score.hh"
#include "grob.hh"
+#include "context.hh"
-void
-Engraver_group_engraver::announce_grob (Grob_info info)
-{
- announce_info_arr_.push (info);
- Engraver::announce_grob (info);
-}
void
-Engraver_group_engraver::create_grobs ()
+Engraver_group_engraver::announce_grob (Grob_info info)
{
-
- for (SCM p = simple_trans_list_; gh_pair_p (p); p = ly_cdr (p))
- {
- Translator * t = unsmob_translator (ly_car (p));
- Engraver * eng = dynamic_cast<Engraver*> (t);
- if (eng)
- eng->create_grobs ();
- }
+ announce_infos_.push (info);
+ get_daddy_engraver ()->announce_grob (info);
}
+
SCM find_acknowledge_engravers (SCM gravlist, SCM meta);
+SCM find_accept_engravers (SCM gravlist, SCM music_descr);
+
void
Engraver_group_engraver::acknowledge_grobs ()
{
- if (!announce_info_arr_.size ())
+ if (!announce_infos_.size ())
return ;
- SCM tab =get_property (ly_symbol2scm ("acknowledgeHashTable"));
+ SCM tab = get_property ("acknowledgeHashTable");
SCM name_sym = ly_symbol2scm ("name");
SCM meta_sym = ly_symbol2scm ("meta");
- for (int j =0; j < announce_info_arr_.size (); j++)
+ for (int j =0; j < announce_infos_.size (); j++)
{
- Grob_info info = announce_info_arr_[j];
+ Grob_info info = announce_infos_[j];
- SCM meta = info.grob_l_->get_grob_property (meta_sym);
+ SCM meta = info.grob_->internal_get_grob_property (meta_sym);
SCM nm = scm_assoc (name_sym, meta);
if (gh_pair_p (nm))
nm = ly_cdr (nm);
else
{
- assert (info.grob_l_->immutable_property_alist_ == SCM_EOL);
+ /*
+ it's tempting to put an assert for
+ immutable_property_alist_ == '(), but in fact, some
+ engravers (clef-engraver) add some more information to the
+ immutable_property_alist_ (after it has been '()-ed).
+
+ We ignore the grob anyway. He who has no name, shall not
+ be helped. */
+
continue;
}
SCM acklist = scm_hashq_ref (tab, nm, SCM_UNDEFINED);
if (acklist == SCM_BOOL_F)
{
- acklist= find_acknowledge_engravers (simple_trans_list_, meta);
+ acklist = find_acknowledge_engravers (gh_cons (self_scm (), get_simple_trans_list ()), meta);
scm_hashq_set_x (tab, nm, acklist);
}
{
Translator * t = unsmob_translator (ly_car (p));
Engraver * eng = dynamic_cast<Engraver*> (t);
- if (eng && eng!= info.origin_trans_l_)
+ if (eng && eng != info.origin_trans_)
eng->acknowledge_grob (info);
}
}
}
+
void
Engraver_group_engraver::do_announces ()
{
- for (SCM p = trans_group_list_; gh_pair_p (p); p =ly_cdr (p))
+ do
{
- Translator * t = unsmob_translator (ly_car (p));
- dynamic_cast<Engraver_group_engraver*> (t)->do_announces ();
- }
+ engraver_each (get_simple_trans_list (),
+ &Engraver::process_acknowledged_grobs);
+
+ if (!announce_infos_.size())
+ break;
- create_grobs ();
-
- while (announce_info_arr_.size ())
- {
acknowledge_grobs ();
- announce_info_arr_.clear ();
- create_grobs ();
+ announce_infos_.clear ();
}
+ while (1);
}
-#include <iostream.h>
-
-/*
- order is : top to bottom (as opposed to do_announces)
- */
-void
-Engraver_group_engraver::process_music ()
-{
- for (SCM p = simple_trans_list_; gh_pair_p (p); p =ly_cdr (p))
- {
- Translator * t = unsmob_translator (ly_car (p));
- Engraver * eng = dynamic_cast<Engraver*> (t);
-
- if (eng)
- eng->process_music ();
- }
- for (SCM p = trans_group_list_; gh_pair_p (p); p =ly_cdr (p))
- {
- Translator * t = unsmob_translator (ly_car (p));
- Engraver*eng = dynamic_cast<Engraver*> (t);
- if (eng)
- eng->process_music ();
- }
-}
-void find_all_acknowledge_engravers (SCM tab, SCM gravlist, SCM allgrobs);
void
Engraver_group_engraver::initialize ()
{
- SCM tab = scm_make_vector (gh_int2scm (61), SCM_BOOL_F); // magic ->
- set_property (ly_symbol2scm ("acknowledgeHashTable"), tab);
+ SCM tab = scm_make_vector (gh_int2scm (61), SCM_BOOL_F);
+ daddy_context_->set_property ("acknowledgeHashTable", tab);
Translator_group::initialize ();
}
ENTER_DESCRIPTION(Engraver_group_engraver,
/* descr */ "A group of engravers taken together",
/* creats*/ "",
-/* acks */ "grob-interface",
+/* accepts */ "",
+/* acks */ "",
/* reads */ "",
/* write */ "");
/*****************/
-bool engraver_valid (Translator*tr, SCM ifaces)
+bool
+engraver_valid (Translator*tr, SCM ifaces)
{
SCM ack_ifs = scm_assoc (ly_symbol2scm ("interfaces-acked"), tr->translator_description());
ack_ifs = gh_cdr (ack_ifs);
}
+
SCM
find_acknowledge_engravers (SCM gravlist, SCM meta_alist)
{
return l;
}
+
+
+/* c&p engraver-group.cc */
+void
+recurse_down_engravers (Context * c, Engraver_method ptr, bool context_first)
+{
+ Engraver_group_engraver * tg
+ = dynamic_cast<Engraver_group_engraver*> (unsmob_translator (c->implementation_));
+
+
+ if (!context_first)
+ {
+ engraver_each (tg->get_simple_trans_list (),
+ ptr);
+
+ (tg->*ptr) ();
+ }
+
+ for (SCM s = c->context_list_ ; gh_pair_p (s);
+ s =gh_cdr (s))
+ {
+ recurse_down_engravers (unsmob_context (gh_car (s)), ptr, context_first);
+ }
+
+ if (context_first)
+ {
+ engraver_each (tg->get_simple_trans_list (),
+ ptr);
+ (tg->*ptr) ();
+ }
+}
+
+
+void
+engraver_each (SCM list, Engraver_method method)
+{
+ for (SCM p = list; gh_pair_p (p); p = ly_cdr (p))
+ {
+ Engraver * e = dynamic_cast<Engraver*>(unsmob_translator (ly_car (p)));
+ if (e)
+ (e->*method) ();
+ }
+}
projects / lilypond.git / blobdiff