2 translator-group.hh -- declare Translator_group
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
10 #ifndef TRANSLATOR_GROUP_HH
11 #define TRANSLATOR_GROUP_HH
14 #include "lily-proto.hh"
15 #include "virtual-methods.hh"
16 #include "translator.hh"
22 typedef void (Translator::*Method_pointer)(void);
23 typedef void (Translator::*Const_method_pointer)(void) const;
24 class Scheme_hash_table;
25 /** Make some kind of Elements from Requests. Elements are made by
26 hierarchically grouped Translators
28 class Translator_group : public virtual Translator {
29 Array<String> consists_str_arr_;
30 Array<String> accepts_str_arr_;
31 Array<String> consists_end_str_arr_;
32 Scheme_hash_table *properties_dict_;
35 friend class Interpretation_context_handle;
38 Cons_list<Translator> trans_p_list_;
41 SCM get_property (SCM name_sym) const;
42 void set_property (String var_name, SCM value);
43 Translator_group *where_defined (SCM name_sym) const;
46 void add_last_element (String s);
48 VIRTUAL_COPY_CONS(Translator);
50 void set_acceptor (String accepts, bool add);
51 void set_element (String elt, bool add);
53 Translator_group(Translator_group const &);
55 void add_translator (Translator *trans_p);
57 /// Score_register = 0, Staff_registers = 1, etc)
58 Translator_group* ancestor_l (int l=1);
60 bool is_bottom_translator_b () const;
61 bool removable_b() const;
62 void terminate_translator (Translator*r_l);
63 Translator *remove_translator_p (Translator*trans_l);
64 void check_removal ();
66 Translator *get_simple_translator (String) const;
67 Translator_group *find_existing_translator_l (String n, String id);
68 Translator_group *find_create_translator_l (String n, String id);
69 Link_array<Translator_group> path_to_acceptable_translator (String alias, Music_output_def*) const;
71 Translator_group*get_default_interpreter();
72 virtual ~Translator_group ();
75 bool try_music_on_nongroup_children (Music *m);
77 virtual void do_print () const;
78 virtual void do_process_music ();
79 virtual void do_add_processing ();
80 virtual bool do_try_music (Music* req_l);
81 virtual void do_pre_move_processing();
82 virtual void do_post_move_processing();
83 virtual void do_creation_processing();
84 virtual void do_removal_processing();
85 virtual void each (Method_pointer);
86 virtual void each (Const_method_pointer) const;
89 #endif // TRANSLATOR_GROUP_HH