-/*
- repeated-music.cc -- implement Repeated_music
-
- source file of the GNU LilyPond music typesetter
-
- (c) 1999--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+/*
+ This file is part of LilyPond, the GNU music typesetter.
+
+ Copyright (C) 1999--2015 Han-Wen Nienhuys <hanwen@xs4all.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 "repeated-music.hh"
-#include "music-list.hh"
+#include "music-sequence.hh"
#include "pitch.hh"
-#include "debug.hh"
+#include "warn.hh"
+#include "program-option.hh"
Music *
-Repeated_music::body ()const
+Repeated_music::body (Music *me)
{
- return unsmob_music (get_mus_property ("body"));
+ return unsmob<Music> (me->get_property ("element"));
}
-Music_sequence*
-Repeated_music::alternatives ()const
+SCM
+Repeated_music::alternatives (Music *me)
{
- return dynamic_cast<Music_sequence*> (unsmob_music (get_mus_property ("alternatives")));
+ return me->get_property ("elements");
}
-Repeated_music::Repeated_music(Music *beg, int times, Music_sequence * alts)
+Moment
+Repeated_music::alternatives_get_length (Music *me, bool fold)
{
- if (beg)
- {
- set_mus_property ("body", beg->self_scm ());
- scm_unprotect_object (beg->self_scm ());
- }
- set_mus_property ("repeat-count", gh_int2scm (times));
+ SCM alternative_list = alternatives (me);
+ int len = scm_ilength (alternative_list);
+ if (len <= 0)
+ return 0;
- if (alts)
+ if (fold)
+ return Music_sequence::maximum_length (alternative_list);
+
+ Moment m = 0;
+ int done = 0;
+ int count = robust_scm2int (me->get_property ("repeat-count"), 0);
+
+ SCM p = alternative_list;
+ while (scm_is_pair (p) && done < count)
{
- alts->truncate (times);
- set_mus_property ("alternatives", alts->self_scm ());
- scm_unprotect_object (alts->self_scm ());
+ m = m + unsmob<Music> (scm_car (p))->get_length ();
+ done++;
+ if (count - done < len)
+ p = scm_cdr (p);
}
- set_mus_property ("type", ly_symbol2scm ("repeated-music"));
+ return m;
}
-Repeated_music::Repeated_music (Repeated_music const &s)
- : Music (s)
+/*
+ Sum all duration of all available alternatives. This is for the case
+ of volta repeats, where the alternatives are iterated just as they
+ were entered. */
+Moment
+Repeated_music::alternatives_volta_get_length (Music *me)
{
+ return Music_sequence::cumulative_length (alternatives (me));
}
-
-Pitch
-Repeated_music::to_relative_octave (Pitch p)
+/*
+ Length of the body in THIS. Disregards REPEAT-COUNT.
+*/
+Moment
+Repeated_music::body_get_length (Music *me)
{
- if (body ())
- p = body ()->to_relative_octave (p);
-
- Pitch last = p ;
- if (alternatives ())
- for (SCM s = alternatives ()->music_list (); gh_pair_p (s); s = gh_cdr (s))
- unsmob_music (gh_car (s))->to_relative_octave (p);
-
-
- return last;
+ Moment m = 0;
+ if (Music *body = unsmob<Music> (me->get_property ("element")))
+ m = body->get_length ();
+ return m;
}
-void
-Repeated_music::transpose (Pitch p)
-{
- if (body ())
- body ()->transpose (p);
+MAKE_SCHEME_CALLBACK (Repeated_music, unfolded_music_length, 1);
- if (alternatives ())
- alternatives ()->transpose (p);
-}
-
-void
-Repeated_music::compress (Moment p)
+SCM
+Repeated_music::unfolded_music_length (SCM m)
{
- if (body ())
- body ()->compress (p);
+ Music *me = unsmob<Music> (m);
- if (alternatives ())
- alternatives ()->compress (p);
+ Moment l = Moment (repeat_count (me)) * body_get_length (me) + alternatives_get_length (me, false);
+ return l.smobbed_copy ();
}
-Moment
-Repeated_music::alternatives_length_mom (bool fold) const
+MAKE_SCHEME_CALLBACK (Repeated_music, folded_music_length, 1);
+SCM
+Repeated_music::folded_music_length (SCM m)
{
- if (!alternatives () )
- return 0;
-
- if (fold)
- return alternatives ()->maximum_length ();
-
- Moment m =0;
- int done =0;
-
- SCM p = alternatives ()->music_list ();
- while (gh_pair_p (p) && done < repeat_count ())
- {
- m = m + unsmob_music (gh_car (p))->length_mom ();
- done ++;
- if (repeat_count () - done < alternatives ()->length_i ())
- p = gh_cdr (p);
- }
- return m;
-}
+ Music *me = unsmob<Music> (m);
-Moment
-Repeated_music::body_length_mom () const
-{
- Moment m = 0;
- if (body ())
- {
- m = body ()->length_mom ();
- }
- return m;
+ Moment l = body_get_length (me) + alternatives_get_length (me, true);
+ return l.smobbed_copy ();
}
int
-Repeated_music::repeat_count () const
+Repeated_music::repeat_count (Music *me)
{
- return gh_scm2int (get_mus_property ("repeat-count"));
+ return scm_to_int (me->get_property ("repeat-count"));
}
-
-MAKE_SCHEME_CALLBACK(Repeated_music,unfolded_music_length, 1);
-MAKE_SCHEME_CALLBACK(Repeated_music,folded_music_length, 1);
-MAKE_SCHEME_CALLBACK(Repeated_music,volta_music_length, 1);
-
+MAKE_SCHEME_CALLBACK (Repeated_music, volta_music_length, 1);
SCM
-Repeated_music::unfolded_music_length (SCM m)
+Repeated_music::volta_music_length (SCM m)
{
- Repeated_music* r = dynamic_cast<Repeated_music*> (unsmob_music (m));
-
- Moment l = Moment (r->repeat_count ()) * r->body_length_mom () + r->alternatives_length_mom (false);
+ Music *me = unsmob<Music> (m);
+ Moment l = body_get_length (me) + alternatives_volta_get_length (me);
return l.smobbed_copy ();
}
+MAKE_SCHEME_CALLBACK (Repeated_music, minimum_start, 1);
SCM
-Repeated_music::folded_music_length (SCM m)
+Repeated_music::minimum_start (SCM m)
{
- Repeated_music* r = dynamic_cast<Repeated_music*> (unsmob_music (m));
-
- Moment l = r->body_length_mom () + r->alternatives_length_mom (true);
- return l.smobbed_copy ();
+ Music *me = unsmob<Music> (m);
+ Music *body = unsmob<Music> (me->get_property ("element"));
+
+ if (body)
+ return body->start_mom ().smobbed_copy ();
+ else
+ return Music_sequence::minimum_start (me->get_property ("elements")).smobbed_copy ();
}
+MAKE_SCHEME_CALLBACK (Repeated_music, first_start, 1);
SCM
-Repeated_music::volta_music_length (SCM m)
+Repeated_music::first_start (SCM m)
{
- Repeated_music* r = dynamic_cast<Repeated_music*> (unsmob_music (m));
- Moment l = r->body_length_mom () + r->alternatives_length_mom (false);
- return l.smobbed_copy ();
+ Music *me = unsmob<Music> (m);
+ Music *body = unsmob<Music> (me->get_property ("element"));
+
+ Moment rv = (body) ? body->start_mom ()
+ : Music_sequence::first_start (me->get_property ("elements"));
+
+ return rv.smobbed_copy ();
}
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