lily/global-regs.cc

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