lily/music-list.cc

   1 /*
   2   music-list.cc -- implement Music_sequence, Simultaneous_music, Sequential_music
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c)  1997--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7 */
   8
   9 #include "music-list.hh"
  10 #include "music-wrapper.hh"
  11 #include "pitch.hh"
  12 #include "request.hh"
  13 #include "musical-request.hh"
  14 #include "music-iterator.hh"
  15 #include "main.hh"
  16 #include "killing-cons.tcc"
  17 #include "simultaneous-music-iterator.hh"
  18 #include "sequential-music-iterator.hh"
  19 #include "request-chord-iterator.hh"
  20
  21 Moment
  22 Simultaneous_music::length_mom () const
  23 {
  24   return maximum_length ();
  25 }
  26
  27 Simultaneous_music::Simultaneous_music (SCM head)
  28   : Music_sequence (head)
  29 {
  30   set_mus_property ("iterator-ctor",
  31                     Simultaneous_music_iterator::constructor_cxx_function);
  32 }
  33
  34 Simultaneous_music::Simultaneous_music ()
  35   : Music_sequence ()
  36 {
  37   set_mus_property ("iterator-ctor",
  38                     Simultaneous_music_iterator::constructor_cxx_function);
  39
  40 }
  41
  42 Sequential_music::Sequential_music (SCM head)
  43   : Music_sequence (head)
  44 {
  45   set_mus_property ("iterator-ctor",
  46                     Sequential_music_iterator::constructor_cxx_function);
  47 }
  48 Sequential_music::Sequential_music ()
  49   : Music_sequence ()
  50 {
  51   set_mus_property ("iterator-ctor",
  52                     Sequential_music_iterator::constructor_cxx_function);
  53 }
  54
  55
  56 Moment
  57 Sequential_music::length_mom () const
  58 {
  59   return cumulative_length ();
  60 }
  61
  62 Pitch
  63 Simultaneous_music::to_relative_octave (Pitch p)
  64 {
  65   return do_relative_octave (p, true);
  66 }
  67
  68 Request_chord::Request_chord (SCM s)
  69   : Simultaneous_music (s)
  70 {
  71   set_mus_property ("iterator-ctor",
  72                     Request_chord_iterator::constructor_cxx_function);
  73 }
  74
  75 Request_chord::Request_chord ()
  76 {
  77   set_mus_property ("iterator-ctor",
  78                     Request_chord_iterator::constructor_cxx_function);
  79 }
  80
  81 Pitch
  82 Request_chord::to_relative_octave (Pitch last)
  83 {
  84   for (SCM s = music_list (); gh_pair_p (s);  s = gh_cdr (s))
  85     {
  86       Music * mus = unsmob_music (gh_car (s));
  87       if (Melodic_req *m= dynamic_cast <Melodic_req *> (mus))
  88         {
  89           Pitch pit = *unsmob_pitch (m->get_mus_property ("pitch"));
  90
  91           pit.to_relative_octave (last);
  92           m->set_mus_property ("pitch", pit.smobbed_copy ());
  93
  94           return pit;
  95         }
  96     }
  97   return last;
  98 }
  99
 100
 101
 102 ADD_MUSIC (Simultaneous_music);
 103 ADD_MUSIC (Sequential_music);
 104 ADD_MUSIC (Request_chord);