hdr/key.hh

   1 /*
   2   key.hh -- declare Key
   3
   4   (c) 1996,97 Han-Wen Nienhuys
   5 */
   6
   7 #ifndef KEY_HH
   8 #define KEY_HH
   9
  10 #include "varray.hh"
  11 #include "scalar.hh"
  12
  13 /// administration of current key
  14 class Key {
  15     Array<int> accidental_i_arr_;
  16
  17     /* *************** */
  18
  19 public:
  20
  21     Key();
  22     void set(int i, int acc);
  23     int acc(int i)const { return accidental_i_arr_[i]; }
  24 };
  25
  26 /// administration of accidentals
  27 struct Local_key
  28 {
  29     void reset(Key);
  30     Key& oct(int);
  31     Local_key();
  32
  33 private:
  34     Array<Key> octaves;
  35 };
  36
  37 #endif // KEY_HH
  38
  39