/*
- music-sequence.cc -- implement Music_sequence
+ music-sequence.cc -- implement Music_sequence
source file of the GNU LilyPond music typesetter
- (c) 1998--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
-#include "music-list.hh"
-#include "debug.hh"
-#include "pitch.hh"
-
-
-void
-Music_sequence::truncate (int k)
-{
- SCM l = get_mus_property ("elements");
- if (k == 0)
- {
- l = SCM_EOL;
- }
- else
- {
- SCM s = l;
- k--;
- for (; gh_pair_p (s) && k--; s = gh_cdr (s))
- ;
-
- if (gh_pair_p (s))
- {
- gh_set_cdr_x (s, SCM_EOL);
- }
- }
- set_mus_property ("elements", l);
-}
-
-SCM
-Music_sequence::music_list ()const
-{
- return get_mus_property ("elements");
-}
-
-/*
- 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 ());
-}
+ (c) 1998--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+*/
-Music_sequence::Music_sequence (SCM l)
- : Music (l)
-{
-}
+#include "warn.hh"
+#include "scm-option.hh"
+#include "pitch.hh"
+#include "input.hh"
+#include "music-sequence.hh"
void
-Music_sequence::transpose (Pitch rq)
+transpose_music_list (SCM lst, Pitch rq)
{
- for (SCM s = music_list (); gh_pair_p (s); s = gh_cdr (s))
- unsmob_music (gh_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 () const
+Music_sequence::cumulative_length (SCM l)
{
Moment cumulative;
-
- Moment last_len ;
- for (SCM s = music_list (); gh_pair_p (s); s = gh_cdr (s))
+ Moment last_len;
+
+ for (SCM s = l; scm_is_pair (s); s = scm_cdr (s))
{
- Moment l = unsmob_music (gh_car (s))->length_mom ();
+ 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;
- cumulative += - first_start ();
-
return cumulative;
}
-Pitch
-Music_sequence::to_relative_octave (Pitch p)
-{
- return do_relative_octave (p, false);
-}
-
-
Moment
-Music_sequence::maximum_length () const
+Music_sequence::maximum_length (SCM l)
{
Moment dur = 0;
- for (SCM s = music_list (); gh_pair_p (s); s = gh_cdr (s))
+ for (SCM s = l; scm_is_pair (s); s = scm_cdr (s))
{
- Music * m = unsmob_music (gh_car (s));
- Moment l = m->length_mom () + m->start_mom ();
+ Music * m = unsmob_music (scm_car (s));
+ Moment l = m->get_length ();
dur = dur >? l;
}
- dur -= minimum_start ();
-
return dur;
}
-int
-Music_sequence::length_i () const
+
+MAKE_SCHEME_CALLBACK(Music_sequence, maximum_length_callback, 1);
+SCM
+Music_sequence::maximum_length_callback (SCM m)
+{
+ Music* me = unsmob_music (m);
+ return maximum_length (me->get_property ("elements")).smobbed_copy();
+}
+
+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();
+}
+
+
+MAKE_SCHEME_CALLBACK(Music_sequence, minimum_start_callback, 1);
+SCM
+Music_sequence::minimum_start_callback (SCM m)
{
- return scm_ilength (music_list ());
+ Music* me = unsmob_music (m);
+ return minimum_start (me->get_property ("elements")).smobbed_copy();
+}
+
+MAKE_SCHEME_CALLBACK(Music_sequence, first_start_callback, 1);
+SCM
+Music_sequence::first_start_callback (SCM m)
+{
+ Music* me = unsmob_music (m);
+ return first_start (me->get_property ("elements")).smobbed_copy();
}
Pitch
-Music_sequence::do_relative_octave (Pitch p, bool ret_first)
+music_list_to_relative (SCM l, Pitch p, bool ret_first)
{
- Pitch retval;
- int count=0;
+ Pitch first = p;
+ int count = 0;
Pitch last = p;
- for (SCM s = music_list (); gh_pair_p (s); s = gh_cdr (s))
+ for (SCM s = l; scm_is_pair (s); s = scm_cdr (s))
{
- last = unsmob_music (gh_car (s))->to_relative_octave (last);
- if (!count ++)
- retval = last;
+ if (Music *m = unsmob_music (scm_car (s)))
+ {
+ last = m->to_relative_octave (last);
+ if (!count ++)
+ first = last;
+ }
}
- if (!ret_first)
- retval = last;
-
- return retval;
+ return (ret_first) ? first : last;
}
+
void
-Music_sequence::compress (Moment m)
+compress_music_list (SCM l, Moment m)
{
- for (SCM s = music_list (); gh_pair_p (s); s = gh_cdr (s))
- unsmob_music (gh_car (s))->compress (m);
+ for (SCM s = l; scm_is_pair (s); s = scm_cdr (s))
+ unsmob_music (scm_car (s))->compress (m);
}
-ADD_MUSIC (Music_sequence);
-
-Music_sequence::Music_sequence ()
- : Music (SCM_EOL)
+Moment
+Music_sequence::minimum_start (SCM l)
{
+ Moment m;
+ for (SCM s = l; scm_is_pair (s); s = scm_cdr (s))
+ {
+ m = m <? unsmob_music (scm_car (s))->start_mom ();
+ }
+ return m;
}
Moment
-Music_sequence::minimum_start () const
+Music_sequence::first_start (SCM l)
{
Moment m;
- for (SCM s = music_list (); gh_pair_p (s); s = gh_cdr (s))
+ for (SCM s = l; scm_is_pair (s); s = scm_cdr (s))
{
- m = m <? unsmob_music (gh_car (s))->start_mom ();
+ Music * mus = unsmob_music (scm_car (s));
+ Moment l = mus->get_length ();
+ Moment s = mus->start_mom ();
+ if (l.to_bool () || s.to_bool ())
+ return s;
}
return m;
}
-Moment
-Music_sequence::first_start () const
+MAKE_SCHEME_CALLBACK(Music_sequence, simultaneous_relative_callback, 2);
+SCM
+Music_sequence::simultaneous_relative_callback (SCM music, SCM pitch)
{
- Moment m;
+ Music *me = unsmob_music (music);
+ Pitch p = *unsmob_pitch (pitch);
+
+ SCM elts = me->get_property ("elements");
+ SCM copied = SCM_EOL;
+ if (lily_1_8_relative)
+ copied = ly_music_deep_copy (elts);
+
+ Pitch retval = music_list_to_relative (elts, p, false);
- for (SCM s = music_list (); gh_pair_p (s); s = gh_cdr (s))
+ if (lily_1_8_relative)
{
- Music * mus = unsmob_music (gh_car (s));
- Moment l = mus->length_mom ();
+
+ Pitch retval_1_8 = music_list_to_relative (copied, p, true);
+ if (retval_1_8 != retval)
+ lily_1_8_compatibility_used = true;
- if (l.main_part_)
- return mus->start_mom ();
- else if (l.grace_part_)
- {
- m.grace_part_ = - l.grace_part_;
- return m;
- }
+ retval = retval_1_8;
}
- return m;
+
+ return retval.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