src/src/Kernel/Abstractions/command.cpp

   1
   2 /******************************************************************************
   3 * MODULE     : command.cpp
   4 * DESCRIPTION: Abstract dynamic commands
   5 * COPYRIGHT  : (C) 1999  Joris van der Hoeven
   6 *******************************************************************************
   7 * This software falls under the GNU general public license version 3 or later.
   8 * It comes WITHOUT ANY WARRANTY WHATSOEVER. For details, see the file LICENSE
   9 * in the root directory or <http://www.gnu.org/licenses/gpl-3.0.html>.
  10 ******************************************************************************/
  11
  12 #include "command.hpp"
  13
  14 /******************************************************************************
  15 * standard commands without arguments
  16 ******************************************************************************/
  17
  18 class std_command_rep: public command_rep {
  19   void (*routine) (void);
  20 public:
  21   std_command_rep (void (*routine) (void));
  22   void apply ();
  23 };
  24
  25 std_command_rep::std_command_rep (void (*routine2) (void)):
  26   routine (routine2) {}
  27 void std_command_rep::apply () { routine (); }
  28
  29 command::command (void (*routine) (void)) :
  30   rep (tm_new<std_command_rep> (routine)) { INC_COUNT(rep); }
  31
  32
  33 class generic_command_rep: public command_rep {
  34   void (*callback) (void*, void*); // callback
  35   void *obj; // argument for callback
  36   void *info; // additional info
  37
  38 public:
  39   generic_command_rep (void (*_callback) (void*, void*), void *_obj, void *_info)
  40     : callback (_callback), obj (_obj), info (_info) {}
  41   void apply () { if (callback) callback (obj, info); }
  42   tm_ostream& print (tm_ostream& out) { return out << "generic_command_rep"; }
  43 };
  44
  45 command::command (void (*_callback) (void*, void*), void *_obj, void *_info) :
  46   rep (tm_new<generic_command_rep> (_callback, _obj, _info)) { INC_COUNT(rep); }
  47
  48