lily/super-element.cc

   1 /*
   2   super-elem.cc -- implement Super_elem
   3
   4   source file of the LilyPond music typesetter
   5
   6   (c)  1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7 */
   8
   9 #include "super-element.hh"
  10 #include "line-of-score.hh"
  11 #include "p-score.hh"
  12 #include "string.hh"
  13 #include "tex-outputter.hh"
  14
  15
  16 Super_element::Super_element()
  17 {
  18 }
  19
  20 IMPLEMENT_IS_TYPE_B1(Super_element,Score_element);
  21
  22
  23 /**
  24     for administration of what was done already
  25     */
  26 enum Score_element_status {
  27   ORPHAN=0,                     // not yet added to pstaff
  28   VIRGIN,                       // added to pstaff
  29   PREBROKEN,
  30   PRECALCING,
  31   PRECALCED,            // calcs before spacing done
  32   SPACING,
  33   SPACED,
  34   BROKEN,
  35   POSTCALCING,          // busy calculating. This is used to trap cyclic deps.
  36   POSTCALCED,           // after spacing calcs done
  37   BREWING,
  38   BREWED,
  39   UNLINKING,
  40   UNLINKED,
  41 };
  42
  43 void
  44 Super_element::pre_processing ()
  45 {
  46   calculate_dependencies (PRECALCING, PRECALCED, &Score_element::do_pre_processing);
  47 }
  48
  49 void
  50 Super_element::space_processing ()
  51 {
  52   calculate_dependencies (SPACING, SPACED, &Score_element::do_space_processing);
  53 }
  54
  55 /* for break processing, use only one status, because copies have to
  56   have correct status. (Previously,
  57   Score_element::handle_[pre]broken_dependencies assigned to status_i_
  58   */
  59 void
  60 Super_element::breakable_col_processing ()
  61 {
  62   calculate_dependencies (PREBROKEN, PREBROKEN, &Score_element::do_breakable_col_processing);
  63 }
  64
  65 void
  66 Super_element::break_processing ()
  67 {
  68   calculate_dependencies (BROKEN, BROKEN, &Score_element::do_break_processing);
  69 }
  70 void
  71 Super_element::post_processing ()
  72 {
  73   calculate_dependencies (POSTCALCING, POSTCALCED, &Score_element::do_post_processing);
  74 }
  75
  76 void
  77 Super_element::output_all ()
  78 {
  79   pscore_l_->outputter_l_->start_line ();
  80   calculate_dependencies (BREWING, BREWED, &Score_element::do_brew_molecule);
  81   pscore_l_->outputter_l_->stop_line ();
  82 }
  83
  84
  85
  86 void
  87 Super_element::unlink_all ()
  88 {
  89   calculate_dependencies (UNLINKING, UNLINKED, &Score_element::junk_links);
  90 }
  91