source file of the GNU LilyPond music typesetter
- (c) 1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1998--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "music-list.hh"
-#include "debug.hh"
-#include "musical-pitch.hh"
+#include "warn.hh"
+#include "pitch.hh"
+#include "input.hh"
-Music_sequence::Music_sequence (Music_sequence const&s)
- : Music (s)
+SCM
+Music_sequence::music_list ()const
{
- multi_level_i_ = s.multi_level_i_;
- music_p_list_p_ = new Music_list (*s.music_p_list_p_);
+ return get_mus_property ("elements");
}
-IMPLEMENT_IS_TYPE_B1(Music_sequence, Music);
+/*
+ Ugh this sucks. Linear. do not use.
+ */
+void
+Music_sequence::append_music (Music *m)
+{
+ set_mus_property ("elements",
+ gh_append2 (music_list (), gh_cons (m->self_scm (), SCM_EOL)));
+ scm_gc_unprotect_object (m->self_scm ());
+}
-Music_sequence::Music_sequence(Music_list *mlist_p)
+Music_sequence::Music_sequence ( )
+ : Music ()
{
- multi_level_i_ = 0;
- music_p_list_p_ = mlist_p;
}
void
-Music_sequence::transpose (Musical_pitch rq)
+transpose_music_list (SCM l, Pitch rq)
{
- for (iter (music_p_list_p_->top(),i); i.ok (); i++)
- i->transpose (rq);
+ for (SCM s = l; gh_pair_p (s); s = ly_cdr (s))
+ unsmob_music (ly_car (s))->transpose (rq);
}
-void
-Music_sequence::do_print() const
+Moment
+Music_sequence::cumulative_length (SCM l)
+{
+ Moment cumulative;
+ Moment last_len;
+
+ for (SCM s = l; gh_pair_p (s); s = ly_cdr (s))
+ {
+ Moment l = unsmob_music (ly_car (s))->get_length ();
+ if (last_len.grace_part_ && l.main_part_)
+ {
+ last_len.grace_part_ = Rational (0);
+ }
+ cumulative += last_len;
+ last_len = l;
+ }
+
+ last_len.grace_part_ = Rational (0);
+ cumulative += last_len;
+
+ return cumulative;
+}
+
+Moment
+Music_sequence::maximum_length (SCM l)
{
-#ifndef NPRINT
- for (iter (music_p_list_p_->top(),i); i.ok (); i++)
- i->print();
-#endif
+ Moment dur = 0;
+ for (SCM s = l; gh_pair_p (s); s = ly_cdr (s))
+ {
+ Music * m = unsmob_music (ly_car (s));
+ Moment l = m->get_length ();
+ dur = dur >? l;
+ }
+
+ return dur;
+}
+
+Pitch
+music_list_to_relative (SCM l,Pitch p, bool ret_first)
+{
+ Pitch first = p;
+ int count=0;
+
+ Pitch last = p;
+ for (SCM s = l; gh_pair_p (s); s = ly_cdr (s))
+ {
+ if (Music *m = unsmob_music (ly_car (s)))
+ {
+ last = m->to_relative_octave (last);
+ if (!count ++)
+ first = last;
+ }
+ }
+
+ return (ret_first)? first : last;
}
void
-Music_sequence::add_music (Music *m_p)
+compress_music_list (SCM l, Moment m)
{
- music_p_list_p_->add_music (m_p);
+ for (SCM s = l; gh_pair_p (s); s = ly_cdr (s))
+ unsmob_music (ly_car (s))->compress (m);
}
+
+ADD_MUSIC (Music_sequence);
+
+Moment
+Music_sequence::minimum_start (SCM l)
+{
+ Moment m;
+
+ for (SCM s = l; gh_pair_p (s); s = ly_cdr (s))
+ {
+ m = m <? unsmob_music (ly_car (s))->start_mom ();
+ }
+ return m;
+}
+
+Moment
+Music_sequence::first_start (SCM l)
+{
+ Moment m;
+
+ for (SCM s = l; gh_pair_p (s); s = ly_cdr (s))
+ {
+ Music * mus = unsmob_music (ly_car (s));
+ Moment l = mus->get_length ();
+ Moment s = mus->start_mom ();
+ if (l.to_bool () || s.to_bool ())
+ return s;
+ }
+ return m;
+}
+