lily/global-performers.cc

   1 /*
   2   global-performers.cc -- implement
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7          Jan Nieuwenhuizen <jan@digicash.com>
   8 */
   9
  10 #include "proto.hh"
  11 #include "plist.hh"
  12 #include "input-translator.hh"
  13 #include "debug.hh"
  14 #include "performer.hh"
  15
  16 struct Performer_table_entry {
  17   String name_str_;
  18   Perf_ctor ctor_l_;
  19   Performer_table_entry (String s, Perf_ctor f)
  20     {
  21         name_str_ =s;
  22         ctor_l_ = f;
  23     }
  24   Performer_table_entry()
  25   {
  26         ctor_l_ =0;
  27     }
  28 };
  29
  30 static Array<Performer_table_entry> *perf_table=0;
  31
  32 void
  33 add_Performer (String s, Perf_ctor f)
  34 {
  35   if (!perf_table)
  36         perf_table = new Array<Performer_table_entry>;
  37
  38   perf_table->push (Performer_table_entry (s, f));
  39 }
  40
  41
  42 Performer*
  43 get_performer_p (String s)
  44 {
  45   for (int i=0; i < perf_table->size(); i++)
  46     {
  47         if ((*perf_table)[i].name_str_ == s)
  48             return (*(*perf_table)[i].ctor_l_)();
  49     }
  50   error ("Unknown performer `" + s +"\'");
  51   return 0;
  52 }