/*
engraver-group-engraver.cc -- implement Engraver_group_engraver
-
+
source file of the GNU LilyPond music typesetter
(c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
get_daddy_engraver ()->announce_grob (info);
}
-
SCM find_acknowledge_engravers (SCM gravlist, SCM meta);
SCM find_accept_engravers (SCM gravlist, SCM music_descr);
Engraver_group_engraver::acknowledge_grobs ()
{
if (!announce_infos_.size ())
- return ;
-
+ return;
+
SCM tab = get_property ("acknowledgeHashTable");
SCM name_sym = ly_symbol2scm ("name");
- SCM meta_sym = ly_symbol2scm ("meta");
+ SCM meta_sym = ly_symbol2scm ("meta");
-
for (int j = 0; j < announce_infos_.size (); j++)
{
Grob_info info = announce_infos_[j];
-
+
SCM meta = info.grob_->internal_get_property (meta_sym);
SCM nm = scm_assoc (name_sym, meta);
if (scm_is_pair (nm))
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)
{
for (SCM p = acklist; scm_is_pair (p); p = scm_cdr (p))
{
- Translator * t = unsmob_translator (scm_car (p));
- Engraver * eng = dynamic_cast<Engraver*> (t);
+ Translator *t = unsmob_translator (scm_car (p));
+ Engraver *eng = dynamic_cast<Engraver *> (t);
if (eng && eng != info.origin_trans_)
eng->acknowledge_grob (info);
}
}
}
-
/*
Ugh. This is slightly expensive. We could/should cache the value of
the group count?
- */
+*/
int
Engraver_group_engraver::pending_grob_count () const
{
scm_is_pair (s); s = scm_cdr (s))
{
Context *c = unsmob_context (scm_car (s));
- Engraver_group_engraver * group
- = dynamic_cast<Engraver_group_engraver*> (c->implementation ());
+ Engraver_group_engraver *group
+ = dynamic_cast<Engraver_group_engraver *> (c->implementation ());
if (group)
- count += group->pending_grob_count ();
+ count += group->pending_grob_count ();
}
- return count;
+ return count;
}
void
Engraver_group_engraver::do_announces ()
{
- do {
- for (SCM s = context ()->children_contexts ();
- scm_is_pair (s); s = scm_cdr (s))
- {
- Context *c = unsmob_context (scm_car (s));
- Engraver_group_engraver * group
- = dynamic_cast<Engraver_group_engraver*> (c->implementation ());
- if (group)
- group->do_announces ();
- }
-
- do
- {
- engraver_each (get_simple_trans_list (),
- &Engraver::process_acknowledged_grobs);
-
-
- if (announce_infos_.size () == 0)
- break;
-
- acknowledge_grobs ();
- announce_infos_.clear ();
- }
- while (1);
-
- } while (pending_grob_count () > 0);
-}
+ do
+ {
+ for (SCM s = context ()->children_contexts ();
+ scm_is_pair (s); s = scm_cdr (s))
+ {
+ Context *c = unsmob_context (scm_car (s));
+ Engraver_group_engraver *group
+ = dynamic_cast<Engraver_group_engraver *> (c->implementation ());
+ if (group)
+ group->do_announces ();
+ }
+ do
+ {
+ engraver_each (get_simple_trans_list (),
+ &Engraver::process_acknowledged_grobs);
+ if (announce_infos_.size () == 0)
+ break;
+
+ acknowledge_grobs ();
+ announce_infos_.clear ();
+ }
+ while (1);
+
+ }
+ while (pending_grob_count () > 0);
+
+}
void
Engraver_group_engraver::initialize ()
Engraver_group_engraver::Engraver_group_engraver () {}
ADD_TRANSLATOR (Engraver_group_engraver,
-/* descr */ "A group of engravers taken together",
-/* creats*/ "",
-/* accepts */ "",
-/* acks */ "",
-/* reads */ "",
-/* write */ "");
-
-
+ /* descr */ "A group of engravers taken together",
+ /* creats*/ "",
+ /* accepts */ "",
+ /* acks */ "",
+ /* reads */ "",
+ /* write */ "");
/*****************/
-
bool
-engraver_valid (Translator*tr, SCM ifaces)
+engraver_valid (Translator *tr, SCM ifaces)
{
SCM ack_ifs = scm_assoc (ly_symbol2scm ("interfaces-acked"), tr->translator_description ());
ack_ifs = scm_cdr (ack_ifs);
return false;
}
-
-
SCM
find_acknowledge_engravers (SCM gravlist, SCM meta_alist)
{
SCM ifaces = scm_cdr (scm_assoc (ly_symbol2scm ("interfaces"), meta_alist));
SCM l = SCM_EOL;
- for (SCM s = gravlist; scm_is_pair (s); s = scm_cdr (s))
+ for (SCM s = gravlist; scm_is_pair (s); s = scm_cdr (s))
{
- Translator* tr = unsmob_translator (scm_car (s));
+ Translator *tr = unsmob_translator (scm_car (s));
if (engraver_valid (tr, ifaces))
- l = scm_cons (tr->self_scm (), l);
+ l = scm_cons (tr->self_scm (), l);
}
l = scm_reverse_x (l, SCM_EOL);
return l;
}
-
/* c&p engraver-group.cc */
void
-recurse_down_engravers (Context * c, Engraver_method ptr, bool context_first)
+recurse_down_engravers (Context *c, Engraver_method ptr, bool context_first)
{
- Engraver_group_engraver * tg
- = dynamic_cast<Engraver_group_engraver*> (c->implementation ());
-
+ Engraver_group_engraver *tg
+ = dynamic_cast<Engraver_group_engraver *> (c->implementation ());
if (!context_first)
{
(tg->*ptr) ();
}
- for (SCM s = c->children_contexts () ; scm_is_pair (s);
+ for (SCM s = c->children_contexts (); scm_is_pair (s);
s = scm_cdr (s))
{
recurse_down_engravers (unsmob_context (scm_car (s)), ptr, context_first);
}
}
-
void
engraver_each (SCM list, Engraver_method method)
{
for (SCM p = list; scm_is_pair (p); p = scm_cdr (p))
{
- Engraver * e = dynamic_cast<Engraver*>(unsmob_translator (scm_car (p)));
+ Engraver *e = dynamic_cast<Engraver *> (unsmob_translator (scm_car (p)));
if (e)
(e->*method) ();
}
projects / lilypond.git / blobdiff