source file of the GNU LilyPond music typesetter
- (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "property-iterator.hh"
Property_unset_iterator::process (Moment m)
{
SCM sym = get_music ()->get_property ("symbol");
- type_check_assignment (sym, SCM_EOL, ly_symbol2scm ("translation-type?"));
+ type_check_assignment (sym, SCM_EOL, ly_symbol2scm ("translation-type?"));
get_outlet ()->unset_property (sym);
Simple_music_iterator::process (m);
MAKE_SCHEME_CALLBACK (Property_iterator, once_finalization, 2);
SCM
-Property_iterator::once_finalization (SCM translator, SCM music )
+Property_iterator::once_finalization (SCM translator, SCM music)
{
- Music * m = unsmob_music (music);
- Context * tg
+ Music *m = unsmob_music (music);
+ Context *tg
= dynamic_cast<Context *> (unsmob_context (translator));
SCM sym = m->get_property ("symbol");
void
Property_iterator::do_quit ()
{
- if (to_boolean (get_music ()->get_property ("once")))
+ if (to_boolean (get_music ()->get_property ("once")))
{
SCM trans = get_outlet ()->self_scm ();
SCM music = get_music ()->self_scm ();
- Global_context * tg = get_outlet ()->get_global_context ();
+ Global_context *tg = get_outlet ()->get_global_context ();
tg->add_finalization (scm_list_n (once_finalization_proc,
trans, music, SCM_UNDEFINED));
}
}
-
-SCM list_p = 0;
-
-/*
- This is a rather crude check: we merely check if the translator
- property is a list.
- */
bool
check_grob (Music *mus, SCM sym)
{
- if (!list_p)
- {
- list_p = scm_c_eval_string ("list?");
- }
-
-
- SCM type = scm_object_property (sym, ly_symbol2scm ("translation-type?"));
- bool ok = type == list_p;
+ bool g = to_boolean (scm_object_property (sym, ly_symbol2scm ("is-grob?")));
- if (!ok)
+ if (!g)
+ mus->origin ()->warning (_f ("not a grob name, `%s'",
+ ly_symbol2string (sym)));
+
+ return g;
+}
+
+SCM
+get_property_path (Music *m)
+{
+ SCM grob_property_path = m->get_property ("grob-property-path");
+
+ SCM eprop = m->get_property ("grob-property");
+ if (scm_is_symbol (eprop))
{
- mus->origin ()->warning (_f ("Not a grob name, `%s'." , ly_symbol2string (sym)));
+ grob_property_path = scm_list_1 (eprop);
}
- return ok;
+
+ return grob_property_path;
}
void
SCM sym = get_music ()->get_property ("symbol");
if (check_grob (get_music (), sym))
{
- SCM eprop = get_music ()->get_property ("grob-property");
+ SCM grob_property_path = get_property_path (get_music ());
SCM val = get_music ()->get_property ("grob-value");
if (to_boolean (get_music ()->get_property ("pop-first"))
&& !to_boolean (get_music ()->get_property ("once")))
- execute_pushpop_property (get_outlet (), sym, eprop, SCM_UNDEFINED);
+
+ execute_general_pushpop_property (get_outlet (), sym, grob_property_path, SCM_UNDEFINED);
- execute_pushpop_property (get_outlet (), sym, eprop, val);
+ execute_general_pushpop_property (get_outlet (), sym, grob_property_path, val);
}
Simple_music_iterator::process (m);
}
SCM
Push_property_iterator::once_finalization (SCM trans, SCM music)
{
- Music * mus = unsmob_music (music);
- Context * tg = dynamic_cast<Context *> (unsmob_context (trans));
-
+ Music *mus = unsmob_music (music);
+ Context *tg = dynamic_cast<Context *> (unsmob_context (trans));
+
SCM sym = mus->get_property ("symbol");
if (check_grob (mus, sym))
{
- SCM eprop = mus->get_property ("grob-property");
-
- execute_pushpop_property (tg, sym, eprop, SCM_UNDEFINED);
+ SCM grob_property_path = get_property_path (mus);
+
+ execute_general_pushpop_property (tg, sym, grob_property_path, SCM_UNDEFINED);
}
return SCM_UNSPECIFIED;
}
void
Push_property_iterator::do_quit ()
{
- if (to_boolean (get_music ()->get_property ("once")))
+ if (to_boolean (get_music ()->get_property ("once")))
{
SCM trans = get_outlet ()->self_scm ();
SCM music = get_music ()->self_scm ();
- Global_context * tg = get_outlet ()->get_global_context ();
+ Global_context *tg = get_outlet ()->get_global_context ();
tg->add_finalization (scm_list_n (once_finalization_proc,
trans, music, SCM_UNDEFINED));
}
Pop_property_iterator::process (Moment m)
{
SCM sym = get_music ()->get_property ("symbol");
-
+
if (check_grob (get_music (), sym))
{
- SCM eprop = get_music ()->get_property ("grob-property");
-execute_pushpop_property (get_outlet (), sym, eprop, SCM_UNDEFINED);
+ SCM grob_property_path = get_property_path (get_music ());
+ execute_general_pushpop_property (get_outlet (), sym, grob_property_path, SCM_UNDEFINED);
}
Simple_music_iterator::process (m);
}
-
-
IMPLEMENT_CTOR_CALLBACK (Pop_property_iterator);
IMPLEMENT_CTOR_CALLBACK (Push_property_iterator);
IMPLEMENT_CTOR_CALLBACK (Property_iterator);