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--2000 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 "cons.hh"
  18 #include "parray.hh"
  19 #include "scm-hash.hh"
  20
  21
  22 // egcs
  23 typedef void (Translator::*Method_pointer)(void);
  24 typedef void (Translator::*Const_method_pointer)(void) const;
  25
  26 /** Make some kind of Elements from Requests. Elements are made by
  27   hierarchically grouped Translators
  28   */
  29 class Translator_group : public virtual Translator {
  30   Array<String> consists_str_arr_;
  31   Array<String> accepts_str_arr_;
  32     Array<String> consists_end_str_arr_;
  33   Scheme_hash_table properties_dict_;
  34
  35   int iterator_count_;
  36   friend class Interpretation_context_handle;
  37
  38 protected:
  39   Cons_list<Translator> trans_p_list_;
  40
  41 public:
  42   SCM get_property (SCM name_sym) const;
  43   void set_property (String var_name, SCM value);
  44
  45
  46   String id_str_;
  47   void add_last_element (String s);
  48
  49   VIRTUAL_COPY_CONS(Translator);
  50
  51   void set_acceptor (String accepts, bool add);
  52   void set_element (String elt, bool add);
  53
  54   Translator_group(Translator_group const &);
  55   Translator_group();
  56   void add_translator (Translator *trans_p);
  57
  58   /// Score_register = 0, Staff_registers = 1, etc)
  59   Translator_group* ancestor_l (int l=1);
  60   int depth_i() const;
  61   bool is_bottom_translator_b () const;
  62   bool removable_b() const;
  63   void terminate_translator (Translator*r_l);
  64   Translator *remove_translator_p (Translator*trans_l);
  65   void check_removal ();
  66
  67   Translator *get_simple_translator (String) 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   virtual ~Translator_group ();
  74
  75 protected:
  76   bool try_music_on_nongroup_children (Music *m);
  77
  78   virtual void do_print () const;
  79   virtual void do_process_requests ();
  80   virtual void do_add_processing ();
  81   virtual bool do_try_music (Music* req_l);
  82   virtual void do_pre_move_processing();
  83   virtual void do_post_move_processing();
  84   virtual void do_creation_processing();
  85   virtual void do_removal_processing();
  86   virtual void each (Method_pointer);
  87   virtual void each (Const_method_pointer) const;
  88 };
  89
  90 #endif // TRANSLATOR_GROUP_HH