lily/performer-group-performer.cc

   1 /*
   2   performer-group-performer.cc -- implement Performer_group_performer
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1996,  1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7                Jan Nieuwenhuizen <janneke@gnu.org>
   8  */
   9
  10 #include "performer-group-performer.hh"
  11
  12 #include "debug.hh"
  13
  14
  15 ADD_THIS_TRANSLATOR(Performer_group_performer);
  16
  17
  18 void
  19 Performer_group_performer::announce_element (Audio_element_info info)
  20 {
  21   announce_info_arr_.push (info);
  22   Performer::announce_element (info);
  23 }
  24
  25 void
  26 Performer_group_performer::do_announces()
  27 {
  28   Link_array<Translator_group> groups = group_l_arr ();
  29   for (int i=0; i < groups.size(); i++)
  30     {
  31       Performer_group_performer * group = dynamic_cast<Performer_group_performer*> (groups[i]);
  32       if (group)
  33         {
  34           group->do_announces();
  35         }
  36     }
  37
  38   Request dummy_req;
  39
  40   Link_array<Translator> nongroups = nongroup_l_arr ();
  41   while (announce_info_arr_.size ())
  42     {
  43       for (int j =0; j < announce_info_arr_.size(); j++)
  44         {
  45           Audio_element_info info = announce_info_arr_[j];
  46
  47           if (!info.req_l_)
  48             info.req_l_ = &dummy_req;
  49           for (int i=0; i < nongroups.size(); i++)
  50             {   // Is this good enough?
  51               Performer * eng = dynamic_cast<Performer*> (nongroups[i]);
  52               // urg, huh? core dump?
  53               //if (eng && eng!= info.origin_trans_l_arr_[0])
  54               if (eng && info.origin_trans_l_arr_.size ()
  55                   && eng!= info.origin_trans_l_arr_[0])
  56                 eng->acknowledge_element (info);
  57             }
  58         }
  59       announce_info_arr_.clear ();
  60       for (int i=0; i < nongroups.size(); i++)
  61         {
  62           Performer * eng = dynamic_cast<Performer*> (nongroups[i]);
  63           if (eng)
  64             eng->process_acknowledged ();
  65         }
  66
  67     }
  68 }
  69