lily/engraver.cc

   1 /*
   2   engraver.cc -- implement Engraver
   3
   4   Sourcefile of GNU LilyPond music type setter
   5
   6   (c)  1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7 */
   8
   9 #include "music-list.hh"
  10 #include "musical-request.hh"
  11 #include "engraver.hh"
  12 #include "engraver-group-engraver.hh"
  13 #include "debug.hh"
  14 #include "paper-def.hh"
  15 #include "score-element.hh"
  16 #include "group-interface.hh"
  17
  18
  19 void
  20 Engraver::announce_element (Score_element_info inf)
  21 {
  22   daddy_grav_l()->announce_element (inf);
  23 }
  24
  25 void
  26 Engraver::announce_element (Score_element* e, Music *m)
  27 {
  28   if (e->get_elt_property ("interfaces") == SCM_EOL)
  29     Group_interface (e, "interfaces").add_thing (ly_symbol2scm (e->name()));
  30
  31   if (m && m->origin ()->location_str ().length_i ())
  32     {
  33       e->set_elt_property ("origin", m->get_mus_property ("origin"));
  34     }
  35
  36   Score_element_info i (e, m);
  37   if (!i.origin_trans_l_)
  38     i.origin_trans_l_ = this;
  39   daddy_grav_l()->announce_element (i);
  40 }
  41
  42
  43
  44 void
  45 Engraver::typeset_element (Score_element*p)
  46 {
  47   daddy_grav_l()->typeset_element (p);
  48 }
  49
  50
  51 Paper_def*
  52 Engraver::paper_l () const
  53 {
  54   return dynamic_cast<Paper_def*>(output_def_l_);
  55 }
  56
  57 Engraver_group_engraver*
  58 Engraver::daddy_grav_l () const
  59 {
  60   return (daddy_trans_l_ )
  61        ? dynamic_cast<Engraver_group_engraver *> (daddy_trans_l_)
  62        : 0;
  63 }