/*
- property-iterator.cc -- implement Property_iterator
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1997--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
#include "property-iterator.hh"
-#include "music.hh"
-#include "translator-def.hh"
-#include "translator-group.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
translation unit, and set the property.
*/
void
-Property_iterator::process (Moment m)
+Property_iterator::process (Moment mom)
{
- 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)
- report_to ()->internal_set_property (sym, val);
- }
- Simple_music_iterator::process (m);
+ Context *o = get_outlet ();
+ Music *m = get_music ();
+
+ send_stream_event (o, "SetProperty", m->origin (),
+ ly_symbol2scm ("symbol"), m->get_property ("symbol"),
+ ly_symbol2scm ("value"), m->get_property ("value"),
+ ly_symbol2scm ("once"), m->get_property ("once"));
+
+ Simple_music_iterator::process (mom);
}
void
-Property_unset_iterator::process (Moment m)
+Property_unset_iterator::process (Moment mom)
{
- SCM sym = get_music ()->get_mus_property ("symbol");
- type_check_assignment (sym, SCM_EOL, ly_symbol2scm ("translation-type?"));
- report_to ()->unset_property (sym);
+ Context *o = get_outlet ();
+ Music *m = get_music ();
- Simple_music_iterator::process (m);
+ send_stream_event (o, "UnsetProperty", m->origin (),
+ ly_symbol2scm ("symbol"), m->get_property ("symbol"),
+ ly_symbol2scm ("once"), m->get_property ("once"));
+
+ Simple_music_iterator::process (mom);
}
+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)));
-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")))
- Translator_def::apply_pushpop_property (report_to (),
- sym, eprop, SCM_UNDEFINED);
-
- Translator_def::apply_pushpop_property (report_to (), sym, eprop, val);
+ SCM grob_property_path = get_property_path (get_music ());
+ SCM val = get_music ()->get_property ("grob-value");
+ SCM once = get_music ()->get_property ("once");
+
+ if (to_boolean (get_music ()->get_property ("pop-first"))
+ && !to_boolean (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 ("once"), once,
+ ly_symbol2scm ("value"), val);
}
Simple_music_iterator::process (m);
}
void
-Pop_property_iterator::process (Moment m)
+Pop_property_iterator::process (Moment mom)
{
- SCM sym = get_music ()->get_mus_property ("symbol");
- if (check_grob (get_music (), sym))
+ Music *m = get_music ();
+ SCM sym = m->get_property ("symbol");
+
+ if (check_grob (m, sym))
{
- SCM eprop = get_music ()->get_mus_property ("grob-property");
- Translator_def::apply_pushpop_property (report_to (), sym, eprop, SCM_UNDEFINED);
- }
- Simple_music_iterator::process (m);
-}
+ SCM grob_property_path = get_property_path (m);
+ send_stream_event (get_outlet (), "Revert", m->origin (),
+ ly_symbol2scm ("symbol"), sym,
+ ly_symbol2scm ("once"), m->get_property ("once"),
+ ly_symbol2scm ("property-path"), grob_property_path);
+ }
+ Simple_music_iterator::process (mom);
+}
IMPLEMENT_CTOR_CALLBACK (Pop_property_iterator);
IMPLEMENT_CTOR_CALLBACK (Push_property_iterator);
projects / lilypond.git / blobdiff