/*
- new-repeated-music.cc -- implement New_repeated_music
+ repeated-music.cc -- implement Repeated_music
source file of the GNU LilyPond music typesetter
- (c) 1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1999--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include "new-repeated-music.hh"
+#include "repeated-music.hh"
#include "music-list.hh"
-#include "musical-pitch.hh"
-#include "debug.hh"
+#include "pitch.hh"
+#include "warn.hh"
+#include "music-sequence.hh"
+#include "scm-option.hh"
-New_repeated_music::New_repeated_music(Music *beg, int times, Music_sequence * alts)
+Music *
+Repeated_music::body ()const
{
- repeat_body_p_ = beg;
- fold_b_ = false;
- repeats_i_ = times;
- alternatives_p_ = alts;
- semi_fold_b_ = true;
+ return unsmob_music (get_mus_property ("element"));
}
-New_repeated_music::New_repeated_music (New_repeated_music const &s)
- : Music (s)
+SCM
+Repeated_music::alternatives ()const
{
- repeats_i_ = s.repeats_i_;
- fold_b_ = s.fold_b_;
- semi_fold_b_ = s.semi_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 get_mus_property ("elements");
}
-New_repeated_music::~New_repeated_music ()
-{
- delete repeat_body_p_;
- delete alternatives_p_;
-}
-void
-New_repeated_music::do_print () const
-{
-#ifndef NPRINT
- DOUT << "Fold = " << fold_b_ << " reps: " << repeats_i_;
- if (repeat_body_p_)
- repeat_body_p_->print();
-
- if (alternatives_p_)
- alternatives_p_->print();
-#endif
-}
-Musical_pitch
-New_repeated_music::to_relative_octave (Musical_pitch p)
+Pitch
+Repeated_music::to_relative_octave (Pitch p)
{
- if (repeat_body_p_)
- p = repeat_body_p_->to_relative_octave (p);
-
- if (alternatives_p_)
- p = alternatives_p_->do_relative_octave (p, true);
- return p;
-}
+ if (lily_1_8_relative)
+ {
+ if (body ())
+ p = body ()->to_relative_octave (p);
+ Pitch last = p ;
+ if (alternatives ())
+ {
+ lily_1_8_compatibility_used = true;
-void
-New_repeated_music::transpose (Musical_pitch p)
-{
- if (repeat_body_p_)
- repeat_body_p_->transpose (p);
+ for (SCM s = alternatives (); gh_pair_p (s); s = ly_cdr (s))
+ unsmob_music (ly_car (s))->to_relative_octave (p);
+ }
- if (alternatives_p_)
- alternatives_p_->transpose (p);
+ return last;
+ }
+ else
+ {
+ return Music::to_relative_octave (p);
+ }
}
-void
-New_repeated_music::compress (Moment p)
-{
- if (repeat_body_p_)
- repeat_body_p_->compress (p);
-
- if (alternatives_p_)
- alternatives_p_->compress (p);
-}
Moment
-New_repeated_music::alternatives_length_mom () const
+Repeated_music::alternatives_get_length (bool fold) const
{
- if (!alternatives_p_ )
+ if (!alternatives ())
return 0;
- if (fold_b_)
- alternatives_p_->maximum_length ();
+ if (fold)
+ return Music_sequence::maximum_length (alternatives ());
Moment m =0;
int done =0;
- Cons<Music> *p = alternatives_p_->music_p_list_p_->head_;
- while (p && done < repeats_i_)
+
+ SCM p = alternatives ();
+ while (gh_pair_p (p) && done < repeat_count ())
{
- m = m + p->car_->length_mom ();
+ m = m + unsmob_music (ly_car (p))->get_length ();
done ++;
- if (repeats_i_ - done < alternatives_p_->length_i ())
- p = p->next_;
+ if (repeat_count () - done < scm_ilength (alternatives ()))
+ p = ly_cdr (p);
}
return m;
}
+/*
+ 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
-New_repeated_music::length_mom () const
+Repeated_music::alternatives_volta_get_length () const
{
- Moment m =0;
- if (fold_b_)
+ if (!alternatives ())
+ return 0;
+
+ Moment m;
+ SCM p = alternatives ();
+ while (gh_pair_p (p))
{
- if (repeat_body_p_)
- m += repeat_body_p_->length_mom ();
+ m = m + unsmob_music (ly_car (p))->get_length ();
+ p = ly_cdr (p);
}
- else
+ return m;
+}
+
+
+/*
+ Length of the body in THIS. Disregards REPEAT-COUNT.
+ */
+Moment
+Repeated_music::body_get_length () const
+{
+ Moment m = 0;
+ if (body ())
{
- Moment beg = (repeat_body_p_) ? repeat_body_p_->length_mom () : Rational(0);
- if (!semi_fold_b_)
- beg *= Rational (repeats_i_);
- m += beg;
+ m = body ()->get_length ();
}
-
- m += alternatives_length_mom ();
return m;
}
+int
+Repeated_music::repeat_count () const
+{
+ return gh_scm2int (get_mus_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);
+
+SCM
+Repeated_music::unfolded_music_length (SCM m)
+{
+ Repeated_music* r = dynamic_cast<Repeated_music*> (unsmob_music (m));
+
+ Moment l = Moment (r->repeat_count ()) * r->body_get_length () + r->alternatives_get_length (false);
+ return l.smobbed_copy ();
+}
+
+SCM
+Repeated_music::folded_music_length (SCM m)
+{
+ Repeated_music* r = dynamic_cast<Repeated_music*> (unsmob_music (m));
+
+ Moment l = r->body_get_length () + r->alternatives_get_length (true);
+ return l.smobbed_copy ();
+}
+
+SCM
+Repeated_music::volta_music_length (SCM m)
+{
+ Repeated_music* r = dynamic_cast<Repeated_music*> (unsmob_music (m));
+ Moment l = r->body_get_length () + r->alternatives_volta_get_length ();
+ return l.smobbed_copy ();
+}
+
+ADD_MUSIC (Repeated_music);
+
+Repeated_music::Repeated_music ()
+ : Music ()
+{
+}
+
+
+MAKE_SCHEME_CALLBACK (Repeated_music,minimum_start, 1);
+MAKE_SCHEME_CALLBACK (Repeated_music,first_start, 1);
+
+SCM
+Repeated_music::minimum_start (SCM m)
+{
+ Music * me = unsmob_music (m);
+ Music * body = unsmob_music (me->get_mus_property ("element"));
+
+ if (body)
+ return body->start_mom ().smobbed_copy();
+ else
+ {
+ return Music_sequence::minimum_start (me->get_mus_property ("elements")).smobbed_copy();
+ }
+}
+
+SCM
+Repeated_music::first_start (SCM m)
+{
+ Music * me = unsmob_music (m);
+ Music * body = unsmob_music (me->get_mus_property ("element"));
+
+ Moment rv = (body) ? body->start_mom () :
+ Music_sequence::first_start (me->get_mus_property ("elements"));
+
+ return rv.smobbed_copy ();
+}
projects / lilypond.git / blobdiff