source file of the GNU LilyPond music typesetter
- (c) 1997--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "property-iterator.hh"
-#include "music.hh"
-#include "context-def.hh"
-#include "translator-group.hh"
-#include "global-translator.hh"
+#include "context-def.hh"
+#include "global-context.hh"
+#include "international.hh"
+#include "music.hh"
-bool check_grob(Music *mus, SCM sym);
+bool check_grob (Music *mus, SCM sym);
/**
There is no real processing to a property: just lookup the
void
Property_iterator::process (Moment m)
{
- SCM sym = get_music ()->get_mus_property ("symbol");
- if (gh_symbol_p (sym))
- {
- SCM val = get_music ()->get_mus_property ("value");
- bool ok= true;
- if (val != SCM_EOL)
- ok = type_check_assignment (sym, val, ly_symbol2scm ("translation-type?"));
- if (ok)
- get_outlet ()->internal_set_property (sym, val);
- }
+ send_stream_event (get_outlet (), "SetProperty", get_music ()->origin (),
+ ly_symbol2scm ("symbol"), get_music ()->get_property ("symbol"),
+ ly_symbol2scm ("value"), get_music ()->get_property ("value"));
+
Simple_music_iterator::process (m);
}
void
Property_unset_iterator::process (Moment m)
{
- SCM sym = get_music ()->get_mus_property ("symbol");
- type_check_assignment (sym, SCM_EOL, ly_symbol2scm ("translation-type?"));
- get_outlet ()->unset_property (sym);
+ SCM sym = get_music ()->get_property ("symbol");
+ send_stream_event (get_outlet (), "UnsetProperty", get_music ()->origin (),
+ ly_symbol2scm ("symbol"), sym);
Simple_music_iterator::process (m);
}
-MAKE_SCHEME_CALLBACK(Property_iterator,once_finalization, 2);
+MAKE_SCHEME_CALLBACK (Property_iterator, once_finalization, 2);
SCM
-Property_iterator::once_finalization(SCM translator, SCM music )
+Property_iterator::once_finalization (SCM ctx, SCM music)
{
- Music * m = unsmob_music (music);
- Translator_group * tg
- = dynamic_cast<Translator_group*> (unsmob_translator (translator));
- SCM sym = m->get_mus_property ("symbol");
+ Music *m = unsmob_music (music);
+ Context *c = unsmob_context (ctx);
- tg->unset_property (sym);
+ send_stream_event (c, "UnsetProperty", m->origin (),
+ ly_symbol2scm ("symbol"), m->get_property ("symbol"));
return SCM_UNSPECIFIED;
}
void
Property_iterator::do_quit ()
{
- if (to_boolean (get_music ()->get_mus_property ("once")))
+ if (to_boolean (get_music ()->get_property ("once")))
{
- SCM trans = get_outlet ()->self_scm();
- SCM music = get_music()->self_scm();
-
- Global_translator * tg= get_outlet ()->top_translator ();
+ SCM trans = get_outlet ()->self_scm ();
+ SCM music = get_music ()->self_scm ();
+ Global_context *tg = get_outlet ()->get_global_context ();
tg->add_finalization (scm_list_n (once_finalization_proc,
trans, music, SCM_UNDEFINED));
}
}
+bool
+check_grob (Music *mus, SCM sym)
+{
+ bool g = to_boolean (scm_object_property (sym, ly_symbol2scm ("is-grob?")));
-SCM list_p = 0;
+ if (!g)
+ mus->origin ()->warning (_f ("not a grob name, `%s'",
+ ly_symbol2string (sym)));
-/*
- This is a rather crude check: we merely check if the translator
- property is a list.
- */
-bool
-check_grob(Music *mus, SCM sym)
+ return g;
+}
+
+SCM
+get_property_path (Music *m)
{
- if (!list_p)
- {
- list_p = gh_eval_str ("list?");
- }
-
-
- SCM type = scm_object_property (sym, ly_symbol2scm ("translation-type?"));
- bool ok = type == list_p;
+ SCM grob_property_path = m->get_property ("grob-property-path");
- if (!ok)
+ 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
Push_property_iterator::process (Moment m)
{
- SCM sym = get_music ()->get_mus_property ("symbol");
+ SCM sym = get_music ()->get_property ("symbol");
if (check_grob (get_music (), sym))
{
- SCM eprop = get_music ()->get_mus_property ("grob-property");
- SCM val = get_music ()->get_mus_property ("grob-value");
-
- if (to_boolean (get_music ()->get_mus_property ("pop-first"))
- && !to_boolean (get_music ()->get_mus_property ("once"))
- )
- get_outlet ()->execute_pushpop_property (sym, eprop, SCM_UNDEFINED);
-
- get_outlet ()->execute_pushpop_property (sym, eprop, val);
+ 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")))
+ send_stream_event (get_outlet (), "Revert", get_music ()->origin (),
+ ly_symbol2scm ("symbol"), sym,
+ ly_symbol2scm ("property-path"), grob_property_path);
+
+ send_stream_event (get_outlet (), "Override", get_music ()->origin (),
+ ly_symbol2scm ("symbol"), sym,
+ ly_symbol2scm ("property-path"), grob_property_path,
+ ly_symbol2scm ("value"), val);
}
Simple_music_iterator::process (m);
}
-MAKE_SCHEME_CALLBACK(Push_property_iterator,once_finalization, 2);
+MAKE_SCHEME_CALLBACK (Push_property_iterator, once_finalization, 2);
SCM
-Push_property_iterator::once_finalization (SCM trans, SCM music)
+Push_property_iterator::once_finalization (SCM ctx, SCM music)
{
- Music * mus = unsmob_music (music);
- Translator_group * tg = dynamic_cast<Translator_group*> (unsmob_translator (trans));
-
- SCM sym = mus->get_mus_property ("symbol");
+ Music *mus = unsmob_music (music);
+ Context *c = unsmob_context (ctx);
+
+ SCM sym = mus->get_property ("symbol");
if (check_grob (mus, sym))
{
- SCM eprop = mus->get_mus_property ("grob-property");
-
- tg->execute_pushpop_property (sym, eprop, SCM_UNDEFINED);
+ SCM grob_property_path = get_property_path (mus);
+
+ send_stream_event (c, "Revert", mus->origin (),
+ ly_symbol2scm ("symbol"), sym,
+ ly_symbol2scm ("property-path"), grob_property_path);
}
return SCM_UNSPECIFIED;
}
void
Push_property_iterator::do_quit ()
{
- if (to_boolean (get_music ()->get_mus_property ("once")))
+ if (to_boolean (get_music ()->get_property ("once")))
{
- SCM trans = get_outlet ()->self_scm();
- SCM music = get_music ()->self_scm();
+ SCM trans = get_outlet ()->self_scm ();
+ SCM music = get_music ()->self_scm ();
- Global_translator * tg= get_outlet ()->top_translator ();
+ Global_context *tg = get_outlet ()->get_global_context ();
tg->add_finalization (scm_list_n (once_finalization_proc,
trans, music, SCM_UNDEFINED));
}
void
Pop_property_iterator::process (Moment m)
{
- SCM sym = get_music ()->get_mus_property ("symbol");
-
+ SCM sym = get_music ()->get_property ("symbol");
+
if (check_grob (get_music (), sym))
{
- SCM eprop = get_music ()->get_mus_property ("grob-property");
- get_outlet ()->execute_pushpop_property (sym, eprop, SCM_UNDEFINED);
+ SCM grob_property_path = get_property_path (get_music ());
+
+ send_stream_event (get_outlet (), "Revert", get_music ()->origin (),
+ ly_symbol2scm ("symbol"), sym,
+ ly_symbol2scm ("property-path"), grob_property_path);
}
Simple_music_iterator::process (m);
}
-
-
IMPLEMENT_CTOR_CALLBACK (Pop_property_iterator);
IMPLEMENT_CTOR_CALLBACK (Push_property_iterator);
IMPLEMENT_CTOR_CALLBACK (Property_iterator);
IMPLEMENT_CTOR_CALLBACK (Property_unset_iterator);
-
projects / lilypond.git / blobdiff