-/*
- music-sequence.cc -- implement Music_sequence
-
- source file of the GNU LilyPond music typesetter
-
- (c) 1998--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
-#include "music-list.hh"
-#include "warn.hh"
-#include "pitch.hh"
-#include "input.hh"
+/*
+ This file is part of LilyPond, the GNU music typesetter.
-SCM
-Music_sequence::music_list ()const
-{
- return get_mus_property ("elements");
-}
+ Copyright (C) 1998--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
-/*
- 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 ());
-}
+ 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.
-Music_sequence::Music_sequence ( )
- : Music ()
-{
-}
+ 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.
-void
-Music_sequence::transpose (Pitch rq)
-{
- transpose_list (music_list (), rq);
-}
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "music-sequence.hh"
+
+#include "warn.hh"
+#include "program-option.hh"
+#include "duration.hh"
+#include "moment.hh"
+#include "music.hh"
+#include "input.hh"
void
-Music_sequence::transpose_list (SCM l, Pitch rq)
+transpose_music_list (SCM lst, Pitch rq)
{
- for (SCM s = l; gh_pair_p (s); s = ly_cdr (s))
- unsmob_music (ly_car (s))->transpose (rq);
+ for (SCM s = lst; scm_is_pair (s); s = scm_cdr (s))
+ unsmob_music (scm_car (s))->transpose (rq);
}
Moment
-Music_sequence::cumulative_length (SCM l)
+Music_sequence::cumulative_length (SCM l)
{
Moment cumulative;
- Moment last_len;
+ Moment last_len;
- for (SCM s = l; gh_pair_p (s); s = ly_cdr (s))
+ for (SCM s = l; scm_is_pair (s); s = scm_cdr (s))
{
- Moment l = unsmob_music (ly_car (s))->get_length ();
+ Moment l = unsmob_music (scm_car (s))->get_length ();
if (last_len.grace_part_ && l.main_part_)
- {
- last_len.grace_part_ = Rational (0);
- }
+ last_len.grace_part_ = Rational (0);
cumulative += last_len;
last_len = l;
}
last_len.grace_part_ = Rational (0);
cumulative += last_len;
- return cumulative;
-}
-
-Pitch
-Music_sequence::to_relative_octave (Pitch p)
-{
- return do_relative_octave (p, false);
+ return cumulative;
}
-
Moment
Music_sequence::maximum_length (SCM l)
{
Moment dur = 0;
- for (SCM s = l; gh_pair_p (s); s = ly_cdr (s))
+ for (SCM s = l; scm_is_pair (s); s = scm_cdr (s))
{
- Music * m = unsmob_music (ly_car (s));
- Moment l = m->get_length ();
- dur = dur >? l;
+ Music *m = unsmob_music (scm_car (s));
+ if (!m)
+ programming_error ("Music sequence should have music elements");
+ else
+ {
+ Moment l = m->get_length ();
+ dur = max (dur, l);
+ }
}
return dur;
}
-
-Pitch
-Music_sequence::do_relative_octave (Pitch p, bool ret_first)
+MAKE_SCHEME_CALLBACK (Music_sequence, maximum_length_callback, 1);
+SCM
+Music_sequence::maximum_length_callback (SCM m)
{
- Pitch first;
- int count=0;
+ Music *me = unsmob_music (m);
+ return maximum_length (me->get_property ("elements")).smobbed_copy ();
+}
- Pitch last = p;
- for (SCM s = music_list (); gh_pair_p (s); s = ly_cdr (s))
+MAKE_SCHEME_CALLBACK (Music_sequence, event_chord_length_callback, 1);
+SCM
+Music_sequence::event_chord_length_callback (SCM m)
+{
+ Music *me = unsmob_music (m);
+ Duration *d = unsmob_duration (me->get_property ("duration"));
+ // Preset duration is used in chord repetitions.
+ if (d)
{
- Music *m = unsmob_music (ly_car (s));
- if (!m)
- {
- programming_error ("Music_sequence should only contain music!");
- }
- else
- {
- last = m->to_relative_octave (last);
- if (!count ++)
- first = last;
- }
+ Moment mom = d->get_length ();
+ return mom.smobbed_copy ();
}
+ return maximum_length (me->get_property ("elements")).smobbed_copy ();
+}
- if (ret_first && first != last)
- {
- String str = _("Changing relative definition causes pitch change.");
- str += "\nWas: " + first.to_string ()
- + "Will be: " + last.to_string () + "\n";
-
- origin()->warning (str);
- }
- return last;
+MAKE_SCHEME_CALLBACK (Music_sequence, cumulative_length_callback, 1);
+SCM
+Music_sequence::cumulative_length_callback (SCM m)
+{
+ Music *me = unsmob_music (m);
+ return cumulative_length (me->get_property ("elements")).smobbed_copy ();
}
-void
-Music_sequence::compress (Moment m)
+MAKE_SCHEME_CALLBACK (Music_sequence, minimum_start_callback, 1);
+SCM
+Music_sequence::minimum_start_callback (SCM m)
{
- compress_list (music_list (), m);
+ Music *me = unsmob_music (m);
+ return minimum_start (me->get_property ("elements")).smobbed_copy ();
}
-void
-Music_sequence::compress_list (SCM l, Moment m)
+MAKE_SCHEME_CALLBACK (Music_sequence, first_start_callback, 1);
+SCM
+Music_sequence::first_start_callback (SCM m)
{
- for (SCM s = l; gh_pair_p (s); s = ly_cdr (s))
- unsmob_music (ly_car (s))->compress (m);
+ Music *me = unsmob_music (m);
+ return first_start (me->get_property ("elements")).smobbed_copy ();
+}
+
+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; scm_is_pair (s); s = scm_cdr (s))
+ {
+ if (Music *m = unsmob_music (scm_car (s)))
+ {
+ last = m->to_relative_octave (last);
+ if (!count++)
+ first = last;
+ }
+ }
+
+ return (ret_first) ? first : last;
}
-ADD_MUSIC (Music_sequence);
+void
+compress_music_list (SCM l, Moment m)
+{
+ for (SCM s = l; scm_is_pair (s); s = scm_cdr (s))
+ unsmob_music (scm_car (s))->compress (m);
+}
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 ();
- }
+
+ for (SCM s = l; scm_is_pair (s); s = scm_cdr (s))
+ m = min (m, unsmob_music (scm_car (s))->start_mom ());
return m;
}
Moment
-Music_sequence::first_start (SCM l)
+Music_sequence::first_start (SCM l)
{
- Moment m;
-
- for (SCM s = l; gh_pair_p (s); s = ly_cdr (s))
+
+ for (SCM s = l; scm_is_pair (s); s = scm_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;
+ Music *mus = unsmob_music (scm_car (s));
+ Moment start = mus->start_mom ();
+ if (mus->get_length ().to_bool () || start.to_bool ())
+ return start;
}
- return m;
+ return Moment ();
+}
+
+MAKE_SCHEME_CALLBACK (Music_sequence, simultaneous_relative_callback, 2);
+SCM
+Music_sequence::simultaneous_relative_callback (SCM music, SCM pitch)
+{
+ Music *me = unsmob_music (music);
+ Pitch p = *unsmob_pitch (pitch);
+ return music_list_to_relative (me->get_property ("elements"),
+ p, false).smobbed_copy ();
}
+MAKE_SCHEME_CALLBACK (Music_sequence, event_chord_relative_callback, 2);
+SCM
+Music_sequence::event_chord_relative_callback (SCM music, SCM pitch)
+{
+ Music *me = unsmob_music (music);
+ Pitch p = *unsmob_pitch (pitch);
+ return music_list_to_relative (me->get_property ("elements"),
+ p, true).smobbed_copy ();
+}
projects / lilypond.git / blobdiff