lily/engraver.cc

   1 /*
   2   engraver.cc -- implement Engraver
   3
   4   Sourcefile of GNU LilyPond musictypesetter
   5
   6   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8
   9 #include "music-list.hh"
  10 #include "musical-request.hh"
  11 #include "engraver.hh"
  12 #include "engraver-group.hh"
  13 #include "debug.hh"
  14
  15 void
  16 Engraver::post_move_processing()
  17 {
  18
  19     if (status < CREATION_INITED) {
  20         do_creation_processing();
  21         status = CREATION_INITED;
  22     }
  23     if (status >= MOVE_INITED)
  24         return;
  25
  26     do_post_move_processing();
  27     status = MOVE_INITED;
  28 }
  29
  30 bool
  31 Engraver::try_request(Request * r)
  32 {
  33     if (status < MOVE_INITED)
  34         post_move_processing();
  35
  36     return do_try_request(r);
  37 }
  38
  39 void
  40 Engraver::process_requests()
  41 {
  42     if (status < PROCESSED_REQS)
  43         post_move_processing();
  44     else if (status >= PROCESSED_REQS)
  45         return;
  46
  47     status = PROCESSED_REQS;
  48     do_process_requests();
  49 }
  50
  51 void
  52 Engraver::pre_move_processing()
  53 {
  54     do_pre_move_processing();
  55     status = CREATION_INITED;
  56 }
  57
  58 void
  59 Engraver::fill_staff_info(Staff_info&)
  60 {
  61
  62 }
  63
  64 Scalar
  65 Engraver::get_feature(String t)
  66 {
  67     return daddy_grav_l_->get_feature(t);
  68 }
  69
  70 bool
  71 Engraver::do_try_request(Request*)
  72 {
  73     return false;
  74 }
  75
  76 Engraver::Engraver()
  77 {
  78     status = VIRGIN;
  79     daddy_grav_l_ = 0;
  80 }
  81
  82 void
  83 Engraver::announce_element(Score_elem_info i)
  84 {
  85     i.origin_grav_l_arr_.push(this);
  86     daddy_grav_l_->announce_element(i);
  87 }
  88
  89 void
  90 Engraver::typeset_element(Score_elem*p)
  91 {
  92     daddy_grav_l_->typeset_element(p);
  93 }
  94
  95 Paper_def*
  96 Engraver::paper()const
  97 {
  98     return daddy_grav_l_->paper();
  99 }
 100
 101 void
 102 Engraver::typeset_breakable_item(Item * nobreak_p)
 103 {
 104     daddy_grav_l_->typeset_breakable_item(nobreak_p);
 105 }
 106
 107 bool
 108 Engraver::contains_b(Engraver *grav_l)const
 109 {
 110     return this == grav_l;
 111 }
 112
 113 Staff_info
 114 Engraver::get_staff_info() const
 115 {
 116     return daddy_grav_l_->get_staff_info();
 117 }
 118
 119 void
 120 Engraver::print() const
 121 {
 122 #ifndef NPRINT
 123     mtor << "\n" << name() << " {";
 124     do_print();
 125     mtor << "}";
 126 #endif
 127 }
 128
 129 IMPLEMENT_STATIC_NAME(Engraver);
 130 IMPLEMENT_IS_TYPE_B(Engraver);
 131
 132 void
 133 Engraver::do_print()const
 134 {
 135 }
 136
 137