lily/include/translator-group.hh

   1 /*
   2   translator-group.hh -- declare Translator_group
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c)  1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7 */
   8
   9
  10 #ifndef TRANSLATOR_GROUP_HH
  11 #define TRANSLATOR_GROUP_HH
  12
  13 #include "string.hh"
  14 #include "lily-proto.hh"
  15 #include "virtual-methods.hh"
  16 #include "translator.hh"
  17 #include "plist.hh"
  18 #include "parray.hh"
  19
  20 // egcs
  21 typedef void (Translator::*Method_pointer)(void);
  22 typedef void (Translator::*Const_method_pointer)(void) const;
  23
  24 /** Make some kind of #Element#s from Requests. Elements are made by
  25   hierarchically grouped #Translator#s
  26   */
  27 class Translator_group : public virtual Translator {
  28   Array<String> consists_str_arr_;
  29   Array<String> accepts_str_arr_;
  30
  31 public:
  32   Pointer_list<Translator *> trans_p_list_;
  33   String id_str_;
  34
  35
  36
  37
  38   int iterator_count_;
  39
  40   TRANSLATOR_CLONE(Translator_group);
  41   DECLARE_MY_RUNTIME_TYPEINFO;
  42
  43   void set_acceptor (String accepts, bool add);
  44   void set_element (String accepts, bool add);
  45
  46
  47   Translator_group(Translator_group const &);
  48   Translator_group();
  49   void add_translator (Translator *trans_p);
  50
  51   Link_array<Translator> nongroup_l_arr () const;
  52   Link_array<Translator_group> group_l_arr () const;
  53
  54   virtual Global_translator *global_l() { return 0; }
  55
  56   /// Score_register = 0, Staff_registers = 1, etc)
  57   Translator_group* ancestor_l (int l=1);
  58   int depth_i() const;
  59   bool is_bottom_translator_b () const;
  60   bool removable_b() const;
  61   void terminate_translator (Translator*r_l);
  62   Translator *remove_translator_p (Translator*trans_l);
  63   void check_removal ();
  64
  65
  66
  67   Translator *get_simple_translator (char const *type) const;
  68   Translator_group *find_existing_translator_l (String n, String id);
  69   Translator_group *find_create_translator_l (String n, String id);
  70   Link_array<Translator_group> path_to_acceptable_translator (String alias) const;
  71
  72   Translator_group*get_default_interpreter();
  73 protected:
  74   virtual ~Translator_group ();
  75   virtual Translator_group * access_Translator_group () { return this; }
  76   virtual void do_print () const;
  77   virtual void do_process_requests ();
  78   virtual void do_add_processing ();
  79   virtual bool do_try_request (Request* req_l);
  80   virtual void do_pre_move_processing();
  81   virtual void do_post_move_processing();
  82   virtual void do_creation_processing();
  83   virtual void do_removal_processing();
  84   void each (Method_pointer);
  85   void each (Const_method_pointer) const;
  86 };
  87
  88 #endif // TRANSLATOR_GROUP_HH