-/*
- repeated-music.cc -- implement Repeated_music
-
- source file of the GNU LilyPond music typesetter
-
- (c) 1999 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 "musical-pitch.hh"
-#include "debug.hh"
+#include "music-sequence.hh"
+#include "pitch.hh"
+#include "warn.hh"
+#include "program-option.hh"
-Repeated_music::Repeated_music(Music *beg, int times, Music_sequence * alts)
+Music *
+Repeated_music::body (Music *me)
{
- repeat_body_p_ = beg;
- fold_b_ = false;
- repeats_i_ = times;
- alternatives_p_ = alts;
- volta_fold_b_ = true;
- if (alts)
- alts->music_p_list_p_->truncate (times);
+ return unsmob<Music> (me->get_property ("element"));
}
-Repeated_music::Repeated_music (Repeated_music const &s)
- : Music (s)
+SCM
+Repeated_music::alternatives (Music *me)
{
- repeats_i_ = s.repeats_i_;
- fold_b_ = s.fold_b_;
- volta_fold_b_ = s.volta_fold_b_;
-
- repeat_body_p_ = s.repeat_body_p_ ? s.repeat_body_p_->clone () : 0;
- alternatives_p_ = s.alternatives_p_
- ? dynamic_cast<Music_sequence*> (s.alternatives_p_->clone ()):0;
+ return me->get_property ("elements");
}
-Repeated_music::~Repeated_music ()
+Moment
+Repeated_music::alternatives_get_length (Music *me, bool fold)
{
- delete repeat_body_p_;
- delete alternatives_p_;
+ SCM alternative_list = alternatives (me);
+ int len = scm_ilength (alternative_list);
+ if (len <= 0)
+ return 0;
+
+ 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)
+ {
+ m = m + unsmob<Music> (scm_car (p))->get_length ();
+ done++;
+ if (count - done < len)
+ p = scm_cdr (p);
+ }
+ return m;
}
-void
-Repeated_music::do_print () const
+/*
+ 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)
{
-#ifndef NPRINT
- DEBUG_OUT << "Fold = " << fold_b_ << " reps: " << repeats_i_;
-
- if (repeat_body_p_)
- repeat_body_p_->print();
-
- if (alternatives_p_)
- alternatives_p_->print();
-#endif
+ return Music_sequence::cumulative_length (alternatives (me));
}
-Musical_pitch
-Repeated_music::to_relative_octave (Musical_pitch p)
+/*
+ Length of the body in THIS. Disregards REPEAT-COUNT.
+*/
+Moment
+Repeated_music::body_get_length (Music *me)
{
- if (repeat_body_p_)
- p = repeat_body_p_->to_relative_octave (p);
-
- if (alternatives_p_)
- p = alternatives_p_->do_relative_octave (p, false);
- return p;
+ Moment m = 0;
+ if (Music *body = unsmob<Music> (me->get_property ("element")))
+ m = body->get_length ();
+ return m;
}
+MAKE_SCHEME_CALLBACK (Repeated_music, unfolded_music_length, 1);
-
-void
-Repeated_music::transpose (Musical_pitch p)
+SCM
+Repeated_music::unfolded_music_length (SCM m)
{
- if (repeat_body_p_)
- repeat_body_p_->transpose (p);
+ Music *me = unsmob<Music> (m);
- if (alternatives_p_)
- alternatives_p_->transpose (p);
+ Moment l = Moment (repeat_count (me)) * body_get_length (me) + alternatives_get_length (me, false);
+ return l.smobbed_copy ();
}
-void
-Repeated_music::compress (Moment p)
+MAKE_SCHEME_CALLBACK (Repeated_music, folded_music_length, 1);
+SCM
+Repeated_music::folded_music_length (SCM m)
{
- if (repeat_body_p_)
- repeat_body_p_->compress (p);
+ Music *me = unsmob<Music> (m);
- if (alternatives_p_)
- alternatives_p_->compress (p);
+ Moment l = body_get_length (me) + alternatives_get_length (me, true);
+ return l.smobbed_copy ();
}
-Moment
-Repeated_music::alternatives_length_mom () const
+int
+Repeated_music::repeat_count (Music *me)
{
- if (!alternatives_p_ )
- return 0;
-
- if (fold_b_)
- return alternatives_p_->maximum_length ();
-
- Moment m =0;
- int done =0;
- Cons<Music> *p = alternatives_p_->music_p_list_p_->head_;
- while (p && done < repeats_i_)
- {
- m = m + p->car_->length_mom ();
- done ++;
- if (volta_fold_b_
- || repeats_i_ - done < alternatives_p_->length_i ())
- p = p->next_;
- }
- return m;
+ return scm_to_int (me->get_property ("repeat-count"));
}
-Moment
-Repeated_music::length_mom () const
+MAKE_SCHEME_CALLBACK (Repeated_music, volta_music_length, 1);
+SCM
+Repeated_music::volta_music_length (SCM m)
{
- Moment m =0;
- if (fold_b_)
- {
- if (repeat_body_p_)
- m += repeat_body_p_->length_mom ();
- }
- else
- {
- Moment beg = (repeat_body_p_) ? repeat_body_p_->length_mom () : Rational(0);
- if (!volta_fold_b_)
- beg *= Rational (repeats_i_);
- m += beg;
- }
+ Music *me = unsmob<Music> (m);
+ Moment l = body_get_length (me) + alternatives_volta_get_length (me);
+ return l.smobbed_copy ();
+}
- m += alternatives_length_mom ();
- return m;
+MAKE_SCHEME_CALLBACK (Repeated_music, minimum_start, 1);
+SCM
+Repeated_music::minimum_start (SCM m)
+{
+ 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::first_start (SCM m)
+{
+ 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 ();
+}
projects / lilypond.git / blobdiff