lily/complex-walker.cc

   1 /*
   2   complex-walker.cc -- implement Complex_walker
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8 #include "score.hh"
   9 #include "staff-column.hh"
  10 #include "voice.hh"
  11 #include "p-score.hh"
  12 #include "debug.hh"
  13 #include "complex-walker.hh"
  14 #include "walk-regs.hh"
  15 #include "score-elem.hh"
  16 #include "staff.hh"
  17 #include "staffline.hh"
  18
  19 void
  20 Complex_walker::do_post_move()
  21 {
  22     walk_regs_p_->post_move_processing();
  23 }
  24
  25 void
  26 Complex_walker::do_pre_move()
  27 {
  28     walk_regs_p_->pre_move_processing();
  29 }
  30
  31 void
  32 Complex_walker::do_announces()
  33 {
  34     walk_regs_p_->do_announces();
  35 }
  36
  37
  38 void
  39 Complex_walker::try_request(Request*req)
  40 {
  41     bool b =walk_regs_p_->try_request(req);
  42     if (!b)
  43         req->warning("junking request: "  + String(req->name()));
  44 }
  45
  46 void
  47 Complex_walker::process_requests()
  48 {
  49     Staff_column*c =ptr();
  50
  51     for (int i=0; i < c->creationreq_l_arr_.size(); i++) {
  52         try_request(c->creationreq_l_arr_[i]);
  53     }
  54     for (int i=0; i < c->commandreq_l_arr_.size(); i++) {
  55         try_request(c->commandreq_l_arr_[i]);
  56     }
  57
  58     for (int i=0; i < c->musicalreq_l_arr_.size(); i++) {
  59         try_request(c->musicalreq_l_arr_[i]);
  60     }
  61
  62     regs_process_requests();
  63     do_announces();
  64 }
  65
  66 void
  67 Complex_walker::regs_process_requests()
  68 {
  69     walk_regs_p_->process_requests();
  70 }
  71
  72 void
  73 Complex_walker::typeset_element(Score_elem *elem_p)
  74 {
  75     if (!elem_p)
  76         return;
  77     staff_l_->staff_line_l_->add_element(elem_p);
  78     if (elem_p->spanner())
  79         pscore_l_->typeset_unbroken_spanner(elem_p->spanner());
  80     else
  81         ptr()->typeset_musical_item(elem_p->item());
  82 }
  83
  84 Complex_walker::Complex_walker(Staff*s)
  85     : Staff_walker(s, s->score_l_->pscore_p_)
  86 {
  87     walk_regs_p_ = new Walker_registers(this);
  88     do_post_move();
  89 }
  90
  91
  92 Complex_walker::~Complex_walker()
  93 {
  94     delete walk_regs_p_;
  95 }
  96
  97
  98