lily/include/unfolded-repeat-iterator.hh

   1 /*
   2   unfolded-repeat-iterator.hh -- declare Unfolded_repeat_iterator
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7
   8  */
   9
  10 #ifndef UNFOLDED_REPEAT_ITERATOR_HH
  11 #define UNFOLDED_REPEAT_ITERATOR_HH
  12
  13 #include "music-iterator.hh"
  14
  15 /**
  16    Iterate repeats.  First do body, then alternatives one by one,
  17    optionally interspersed by the body.
  18  */
  19 class Unfolded_repeat_iterator : public Music_iterator
  20 {
  21 public:
  22   /**
  23      How often have we done the body (assuming bodies are interspersed.)?
  24    */
  25   int done_count_;
  26
  27   /// are we busy doing the body?
  28   bool do_main_b_;
  29
  30   /** How far have we progressed into the repeat.
  31       This excludes the elt currently being iterated.
  32   */
  33   Moment done_mom_;
  34
  35   Music_iterator * current_iter_p_;
  36   Cons<Music> *alternative_cons_l_;
  37   ~Unfolded_repeat_iterator();
  38   Unfolded_repeat_iterator ();
  39
  40
  41 protected:
  42   virtual void construct_children ();
  43   virtual Moment next_moment () const;
  44   virtual void do_process_and_next (Moment);
  45   virtual bool ok () const;
  46   virtual void next_element ();
  47   virtual void do_print () const;
  48 };
  49 #endif /* UNFOLDED_REPEAT_ITERATOR_HH */
  50