]> git.donarmstrong.com Git - lilypond.git/blobdiff - lily/part-combine-music-iterator.cc
release: 1.5.29
[lilypond.git] / lily / part-combine-music-iterator.cc
index 1f813a7445afb87b2222fc1e85689fb5980bc531..86ad4b367526b56090fa050af053f21b74aeaea5 100644 (file)
@@ -3,7 +3,7 @@
 
   source file of the GNU LilyPond music typesetter
   
-  (c) 2000 Jan Nieuwenhuizen <janneke@gnu.org>
+  (c) 2000--2002 Jan Nieuwenhuizen <janneke@gnu.org>
  */
 
 #include "part-combine-music.hh"
 #include "translator-group.hh"
 #include "musical-request.hh"
 #include "music-sequence.hh"
+#include "lily-guile.hh"
 #include "warn.hh"
 
-
-/*
-  DOCUMENTME
- */
-int
-compare (Array<Duration> const * left, Array<Duration> const * right)
-{
-  assert (left);
-  assert (right);
-  
-  if (left->size () == right->size ())
-    {
-      for (int i = 0; i < left->size (); i++)
-       {
-         int r = Duration::compare ((*left)[i], (*right)[i]);
-         if (r)
-           return r;
-       }
-    }
-  else
-    return 1;
-  return 0;
-}
-
 Part_combine_music_iterator::Part_combine_music_iterator ()
 {
   first_iter_p_ = 0;
@@ -51,6 +28,18 @@ Part_combine_music_iterator::~Part_combine_music_iterator ()
   delete first_iter_p_;
 }
 
+Part_combine_music_iterator::Part_combine_music_iterator (Part_combine_music_iterator const &src)
+  : Music_iterator (src)
+{
+  second_iter_p_ = src.second_iter_p_ ? src.second_iter_p_->clone () : 0;
+  first_iter_p_ = src.first_iter_p_ ? src.first_iter_p_->clone () : 0;
+
+  first_until_ = src.first_until_;
+  second_until_ = src.second_until_;
+  state_ = src.state_;
+  suffix_ = src.suffix_;
+}
+
 Moment
 Part_combine_music_iterator::pending_moment () const
 {
@@ -73,7 +62,7 @@ Part_combine_music_iterator::ok () const
 void
 Part_combine_music_iterator::construct_children ()
 {
-  Part_combine_music const * m = dynamic_cast<Part_combine_music const*> (music_l_);
+  Part_combine_music const * m = dynamic_cast<Part_combine_music const*> (music_l ());
   
   first_iter_p_ = get_iterator_p (m->first_l ());
   second_iter_p_ = get_iterator_p (m->second_l ());
@@ -96,7 +85,7 @@ Part_combine_music_iterator::change_to (Music_iterator *it, String to_type,
      
      If \translator Staff = bass, then look for Staff = *
    */
-  while  (current && current->type_str_ != to_type)
+  while (current && current->type_str_ != to_type)
     {
       last = current;
       current = current->daddy_trans_l_;
@@ -131,18 +120,19 @@ Part_combine_music_iterator::change_to (Music_iterator *it, String to_type,
 }
 
 
+// SCM*, moet / kan dat niet met set_x ofzo?
 static void
-get_music_info (Moment m, Music_iterator* iter, Array<Musical_pitch> *pitches, Array<Duration> *durations)
+get_music_info (Moment m, Music_iterator* iter, SCM *pitches, SCM *durations)
 {
   if (iter->ok ())
     {
-      for (SCM i = iter->get_music (m); gh_pair_p (i); i = gh_cdr (i))
+      for (SCM i = iter->get_music (m); gh_pair_p (i); i = ly_cdr (i))
        {
-         Music *m = unsmob_music (gh_car (i));
+         Music *m = unsmob_music (ly_car (i));
          if (Melodic_req *r = dynamic_cast<Melodic_req *> (m))
-           pitches->push (*unsmob_pitch (r->get_mus_property("pitch")));
+           *pitches = gh_cons (r->get_mus_property ("pitch"), *pitches);
          if (Rhythmic_req *r = dynamic_cast<Rhythmic_req *> (m))
-           durations->push (*unsmob_duration (r->get_mus_property("duration")));
+           *durations = gh_cons (r->get_mus_property ("duration"), *durations);
        }
     }
 }
@@ -151,23 +141,23 @@ int
 Part_combine_music_iterator::get_state (Moment)
 {
   int state = UNKNOWN;
-  Part_combine_music const *p = dynamic_cast<Part_combine_music const* > (music_l_);
+  Part_combine_music const *p = dynamic_cast<Part_combine_music const* > (music_l ());
 
   String w = ly_scm2string (p->get_mus_property ("what"));
     
   
   Translator_group *first_translator = first_iter_p_->report_to_l ()->find_create_translator_l (w, "one" + suffix_);
 
-  SCM s = first_translator->get_property (ly_symbol2scm ("changeMoment"));
+  SCM s = first_translator->get_property ("changeMoment");
   if (!gh_pair_p (s))
     return state;
 
-  Moment change_mom = *unsmob_moment (gh_car (s));
-  Moment diff_mom = *unsmob_moment (gh_cdr (s));
+  Moment change_mom = *unsmob_moment (ly_car (s));
+  Moment diff_mom = *unsmob_moment (ly_cdr (s));
   
   Moment now = pending_moment ();
 
-  if (!now.mod_rat (change_mom))
+  if (!now.main_part_.mod_rat (change_mom.main_part_))
     {
       SCM interval = SCM_BOOL_F;
       if (first_until_ < now)
@@ -199,104 +189,112 @@ Part_combine_music_iterator::get_state (Moment)
            pending = first_iter->pending_moment () <? second_iter->pending_moment ();
          last_pending = pending;
 
-         Array<Musical_pitch> first_pitches;
-         Array<Duration> first_durations;
-         get_music_info (pending, first_iter, &first_pitches, &first_durations);
+         SCM first_pitches = SCM_EOL;
+         SCM first_durations = SCM_EOL;
+         get_music_info (pending, first_iter,
+                         &first_pitches, &first_durations);
       
-         Array<Musical_pitch> second_pitches;
-         Array<Duration> second_durations;
-         get_music_info (pending, second_iter, &second_pitches, &second_durations);
+         SCM second_pitches = SCM_EOL;
+         SCM second_durations = SCM_EOL;
+         get_music_info (pending, second_iter,
+                         &second_pitches, &second_durations);
 
-         if (first_pitches.size () && second_pitches.size ())
+         if (first_pitches != SCM_EOL && second_pitches != SCM_EOL)
            {
-             first_pitches.sort (Musical_pitch::compare);
-             second_pitches.sort (Musical_pitch::compare);
-             interval = gh_int2scm (first_pitches.top ().steps ()
-                                    - second_pitches[0].steps ());
+             scm_sort_list_x (first_pitches,
+                              scm_primitive_eval (ly_str02scm ("Pitch::less_p")));
+             scm_sort_list_x (second_pitches,
+                              scm_primitive_eval (ly_str02scm ("Pitch::less_p")));
+
+             interval = gh_int2scm (unsmob_pitch (ly_car (first_pitches))->steps ()
+                                    - unsmob_pitch (ly_car (scm_last_pair (second_pitches)))->steps ());
            }
-         if (first_durations.size ())
+         
+         if (first_durations != SCM_EOL)
            {
-             first_durations.sort (Duration::compare);
-             first_mom += first_durations.top ().length_mom ();
+             scm_sort_list_x (first_durations,
+                              scm_primitive_eval (ly_str02scm ("Duration::less_p")));
+             first_mom += unsmob_duration (ly_car (first_durations))->length_mom ();
            }
-
-         if (second_durations.size ())
+         
+         if (second_durations != SCM_EOL)
            {
-             second_durations.sort (Duration::compare);
-             second_mom += second_durations.top ().length_mom ();
+             scm_sort_list_x (second_durations,
+                              scm_primitive_eval (ly_str02scm ("Duration::less_p")));
+             second_mom += unsmob_duration (ly_car (second_durations))->length_mom ();
            }
-
-         if (!first_pitches.empty () && second_pitches.empty ()
-              && !(second_until_ > now))
+         
+         if (first_pitches != SCM_EOL && second_pitches == SCM_EOL
+                 && ! (second_until_ > now))
            {
              state |= UNRELATED;
              state &= ~UNISILENCE;
-             if (!(state & ~(UNRELATED | SOLO1 | UNISILENCE)))
+             if (! (state & ~ (UNRELATED | SOLO1 | UNISILENCE)))
                state |= SOLO1;
            }
          else
            state &= ~SOLO1;
 
-         if (first_pitches.empty () && !second_pitches.empty ()
-             && !(first_until_ > now))
+         if (first_pitches == SCM_EOL && second_pitches != SCM_EOL
+             && ! (first_until_ > now))
            {
              state |= UNRELATED;
              state &= ~UNISILENCE;
-             if (!(state & ~(UNRELATED | SOLO2 | UNISILENCE)))
+             if (! (state & ~ (UNRELATED | SOLO2 | UNISILENCE)))
                state |= SOLO2;
            }
          else
            state &= ~SOLO2;
 
-         if (!compare (&first_durations, &second_durations))
+         if (gh_equal_p (first_durations, second_durations))
            {
              state &= ~UNISILENCE;
-             if (!(state & ~(UNIRHYTHM | UNISON)))
+             if (! (state & ~ (UNIRHYTHM | UNISON)))
                state |= UNIRHYTHM;
            }
          else
-           state &= ~(UNIRHYTHM | UNISILENCE);
+           state &= ~ (UNIRHYTHM | UNISILENCE);
          
-         if (!first_pitches.empty ()
-             &&!compare (&first_pitches, &second_pitches))
+         if (first_pitches != SCM_EOL
+             && gh_equal_p (first_pitches, second_pitches))
            {
              state &= ~UNISILENCE;
-             if (!(state & ~(UNIRHYTHM | UNISON)))
+             if (! (state & ~ (UNIRHYTHM | UNISON)))
                state |= UNISON;
            }
          else
-           state &= ~(UNISON);
+           state &= ~ (UNISON);
            
-         if (first_pitches.empty () && second_pitches.empty ())
+         if (first_pitches == SCM_EOL && second_pitches == SCM_EOL)
            {
-             if (!(state & ~(UNIRHYTHM | UNISILENCE)))
+             if (! (state & ~ (UNIRHYTHM | UNISILENCE)))
                state |= UNISILENCE;
            }
          else if (!state)
            state |= UNRELATED;
          else
-           state &= ~(UNISILENCE);
+           state &= ~ (UNISILENCE);
 
          if (gh_number_p (interval))
            {
-             SCM s = first_translator->get_property (ly_symbol2scm ("splitInterval"));
+             SCM s = first_translator->get_property ("splitInterval");
              int i = gh_scm2int (interval);
              if (gh_pair_p (s)
-                 && gh_number_p (gh_car (s))
-                 && gh_number_p (gh_cdr (s))
-                 && i >= gh_scm2int (gh_car (s))
-                 && i <= gh_scm2int (gh_cdr (s)))
+                 && gh_number_p (ly_car (s))
+                 && gh_number_p (ly_cdr (s))
+                 && i >= gh_scm2int (ly_car (s))
+                 && i <= gh_scm2int (ly_cdr (s)))
                {
-                 if (!(state & ~(SPLIT_INTERVAL | UNIRHYTHM | UNISON)))
+                 if (! (state & ~ (SPLIT_INTERVAL | UNIRHYTHM | UNISON)))
                    state |= SPLIT_INTERVAL;
                }
              else
-               state &= ~(SPLIT_INTERVAL);
+               state &= ~ (SPLIT_INTERVAL);
            }
 
-         if (first && !first_pitches.empty ())
+         if (first && first_pitches != SCM_EOL)
            first_until_ = first_mom;
-         if (first && !second_pitches.empty ())
+         if (first && second_pitches != SCM_EOL)
            second_until_ = second_mom;
          first = false;
 
@@ -340,7 +338,7 @@ Part_combine_music_iterator::process (Moment m)
   else
     state = state_;
   
-  Part_combine_music const *p = dynamic_cast<Part_combine_music const* > (music_l_);
+  Part_combine_music const *p = dynamic_cast<Part_combine_music const* > (music_l ());
 
 
   bool previously_combined_b = first_iter_p_->report_to_l ()->daddy_trans_l_
@@ -348,7 +346,7 @@ Part_combine_music_iterator::process (Moment m)
 
   bool combine_b = previously_combined_b;
 
-  if (!(state & UNIRHYTHM)
+  if (! (state & UNIRHYTHM)
       || (state & SPLIT_INTERVAL)
       || (state & (SOLO1 | SOLO2)))
     combine_b = false;
@@ -374,13 +372,17 @@ Part_combine_music_iterator::process (Moment m)
   if (combine_b != previously_combined_b)
     change_to (second_iter_p_, w, (combine_b ? "one" : "two")
               + suffix_);
-
+  
   Translator_group *first_translator = first_iter_p_->report_to_l ()->find_create_translator_l (w, "one" + suffix_);
   Translator_group *second_translator = second_iter_p_->report_to_l ()->find_create_translator_l (w, "two" + suffix_);
+  
 
-  /*
-    hmm
-   */
+  /* Hmm */
+  first_translator->set_property ("combineParts", SCM_BOOL_T);
+  second_translator ->set_property ("combineParts", SCM_BOOL_T);
+  /* hmm */
   SCM b = (state & UNIRHYTHM) ? SCM_BOOL_T : SCM_BOOL_F;
   first_translator->set_property ("unirhythm", b);
   second_translator->set_property ("unirhythm", b);
@@ -433,4 +435,4 @@ Part_combine_music_iterator::get_music (Moment m)const
   return s;
 }
 
-IMPLEMENT_CTOR_CALLBACK(Part_combine_music_iterator);
+IMPLEMENT_CTOR_CALLBACK (Part_combine_music_iterator);