lily/include/type-swallow-translator.hh

   1 /*
   2   type-swallow-engraver.hh -- declare Type_swallow_translator
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c)  1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7 */
   8
   9
  10 #ifndef TYPESWALLOW_GRAV_HH
  11 #define TYPESWALLOW_GRAV_HH
  12
  13 #include "translator.hh"
  14
  15 /** eat a certain type of event
  16  (Duh, it's good for your skin)
  17  */
  18 class Type_swallow_translator : public virtual Translator
  19 {
  20 protected:
  21   String swallow_string_;
  22   bool try_music (Music*);
  23 public:
  24   VIRTUAL_COPY_CONS (Translator);
  25 };
  26
  27 #define DECLARE_EVENT_SWALLOWER(TYPE)                                   \
  28 struct TYPE ## _swallow_translator : public Type_swallow_translator {   \
  29   TRANSLATOR_DECLARATIONS (TYPE ## _swallow_translator);  \
  30 };                                                                      \
  31   TYPE ## _swallow_translator :: TYPE ## _swallow_translator() {\
  32       swallow_string_ =  #TYPE;                                         \
  33   }                                                                     \
  34 ENTER_DESCRIPTION(TYPE ## _swallow_translator,                          \
  35                   "Swallow events of " #TYPE " type.",          \
  36                   "",                                                   \
  37         "general-music",\
  38                   "",                                                   \
  39                   "",                                                   \
  40                   "");
  41
  42 #endif // TYPESWALLOW_GRAV_HH
  43