-/*
- repeated-music.cc -- implement Repeated_music
-
+/*
+ repeated-music.cc -- implement Repeated_music
+
source file of the GNU LilyPond music typesetter
-
- (c) 1999--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+
+ (c) 1999--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
#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"
Music *
-Repeated_music::body ()const
+Repeated_music::body (Music *me)
{
- return unsmob_music (get_mus_property ("body"));
+ return unsmob_music (me->get_property ("element"));
}
-Music_sequence*
-Repeated_music::alternatives ()const
+SCM
+Repeated_music::alternatives (Music *me)
{
- return dynamic_cast<Music_sequence*> (unsmob_music (get_mus_property ("alternatives")));
+ return me->get_property ("elements");
}
-Repeated_music::Repeated_music(Music *beg, int times, Music_sequence * alts)
+MAKE_SCHEME_CALLBACK (Repeated_music, relative_callback, 2);
+SCM
+Repeated_music::relative_callback (SCM music, SCM pitch)
{
- if (beg)
- {
- set_mus_property ("body", beg->self_scm ());
- scm_unprotect_object (beg->self_scm ());
- }
- set_mus_property ("repeat-count", gh_int2scm (times));
-
- if (alts)
+ Pitch p = *unsmob_pitch (pitch);
+ Music *me = unsmob_music (music);
+ if (lily_1_8_relative)
{
- alts->truncate (times);
- set_mus_property ("alternatives", alts->self_scm ());
- scm_unprotect_object (alts->self_scm ());
- }
- set_mus_property ("type", ly_symbol2scm ("repeated-music"));
-}
-
-Repeated_music::Repeated_music (Repeated_music const &s)
- : Music (s)
-{
-}
-
+ Music *body = unsmob_music (me->get_property ("element"));
+ if (body)
+ p = body->to_relative_octave (p);
-Musical_pitch
-Repeated_music::to_relative_octave (Musical_pitch p)
-{
- if (body ())
- p = body ()->to_relative_octave (p);
-
- Musical_pitch last = p ;
- if (alternatives ())
- for (SCM s = alternatives ()->music_list (); gh_pair_p (s); s = gh_cdr (s))
- unsmob_music (gh_car (s))->to_relative_octave (p);
-
-
- return last;
-}
+ Pitch last = p;
+ SCM alternatives = me->get_property ("elements");
-void
-Repeated_music::transpose (Musical_pitch p)
-{
- if (body ())
- body ()->transpose (p);
-
- if (alternatives ())
- alternatives ()->transpose (p);
-}
+ for (SCM s = alternatives; scm_is_pair (s); s = scm_cdr (s))
+ {
+ lily_1_8_compatibility_used = true;
+ unsmob_music (scm_car (s))->to_relative_octave (p);
+ }
-void
-Repeated_music::compress (Moment p)
-{
- if (body ())
- body ()->compress (p);
-
- if (alternatives ())
- alternatives ()->compress (p);
+ return last.smobbed_copy ();
+ }
+ else
+ return me->generic_to_relative_octave (p).smobbed_copy ();
}
Moment
-Repeated_music::alternatives_length_mom (bool fold) const
+Repeated_music::alternatives_get_length (Music *me, bool fold)
{
- if (!alternatives () )
+ SCM alternative_list = alternatives (me);
+ int len = scm_ilength (alternative_list);
+ if (len <= 0)
return 0;
-
- if (fold)
- return alternatives ()->maximum_length ();
- Moment m =0;
- int done =0;
+ if (fold)
+ return Music_sequence::maximum_length (alternative_list);
- SCM p = alternatives ()->music_list ();
- while (gh_pair_p (p) && done < repeat_count ())
+ 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 (gh_car (p))->length_mom ();
- done ++;
- if (repeat_count () - done < alternatives ()->length_i ())
- p = gh_cdr (p);
+ m = m + unsmob_music (scm_car (p))->get_length ();
+ done++;
+ if (count - done < len)
+ p = scm_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
-Repeated_music::body_length_mom () const
+Repeated_music::alternatives_volta_get_length (Music *me)
{
- Moment m = 0;
- if (body ())
- {
- m = body ()->length_mom ();
- }
- return m;
+ return Music_sequence::cumulative_length (alternatives (me));
}
-int
-Repeated_music::repeat_count () const
+/*
+ Length of the body in THIS. Disregards REPEAT-COUNT.
+*/
+Moment
+Repeated_music::body_get_length (Music *me)
{
- return gh_scm2int (get_mus_property ("repeat-count"));
+ 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);
-MAKE_SCHEME_CALLBACK(Repeated_music,folded_music_length, 1);
-MAKE_SCHEME_CALLBACK(Repeated_music,volta_music_length, 1);
+MAKE_SCHEME_CALLBACK (Repeated_music, unfolded_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_length_mom () + r->alternatives_length_mom (false);
+ Music *me = unsmob_music (m);
+
+ Moment l = Moment (repeat_count (me)) * body_get_length (me) + alternatives_get_length (me, false);
return l.smobbed_copy ();
}
+MAKE_SCHEME_CALLBACK (Repeated_music, folded_music_length, 1);
SCM
Repeated_music::folded_music_length (SCM m)
{
- Repeated_music* r = dynamic_cast<Repeated_music*> (unsmob_music (m));
-
- Moment l = r->body_length_mom () + r->alternatives_length_mom (true);
+ Music *me = unsmob_music (m);
+
+ Moment l = body_get_length (me) + alternatives_get_length (me, true);
return l.smobbed_copy ();
}
+int
+Repeated_music::repeat_count (Music *me)
+{
+ return scm_to_int (me->get_property ("repeat-count"));
+}
+
+MAKE_SCHEME_CALLBACK (Repeated_music, volta_music_length, 1);
SCM
Repeated_music::volta_music_length (SCM m)
{
- Repeated_music* r = dynamic_cast<Repeated_music*> (unsmob_music (m));
- Moment l = r->body_length_mom () + r->alternatives_length_mom (false);
+ Music *me = unsmob_music (m);
+ Moment l = body_get_length (me) + alternatives_volta_get_length (me);
return l.smobbed_copy ();
}
+
+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