2 translator-group.hh -- declare Translator_group
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--2002 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"
21 typedef void (Translator::*Method_pointer) (void);
22 #define set_property(x,y) internal_set_property(ly_symbol2scm(x),y)
23 #define set_children_property(x,y) internal_set_children_property(ly_symbol2scm(x),y)
25 class Scheme_hash_table;
28 /** Make some kind of Elements from Requests. Elements are made by
29 hierarchically grouped Translators
31 class Translator_group : public virtual Translator {
33 Scheme_hash_table *properties_dict () const;
36 friend class Interpretation_context_handle;
37 SCM add_translator (SCM, Translator*);
42 void execute_single_pushpop_property (SCM prop, SCM sym, SCM val);
43 SCM internal_get_property (SCM name_sym) const;
45 void unset_property (SCM var_sym);
46 void internal_set_property (SCM var_sym, SCM value);
47 void internal_set_children_property (SCM var_sym, SCM value);
48 Translator_group *where_defined (SCM name_sym) const;
52 VIRTUAL_COPY_CONS (Translator);
53 Translator_group (Translator_group const &);
55 void add_fresh_group_translator (Translator *trans_p);
56 void add_used_group_translator (Translator *trans_p);
58 /// Score_register = 0, Staff_registers = 1, etc)
59 Translator_group* ancestor_l (int l=1);
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 // 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;
70 Translator_group*get_default_interpreter ();
73 bool try_music_on_nongroup_children (Music *m);
75 virtual void do_announces ();
76 virtual bool try_music (Music* req_l);
77 virtual void stop_translation_timestep ();
78 virtual void start_translation_timestep ();
79 virtual void initialize ();
80 virtual void finalize ();
81 virtual void each (Method_pointer);
84 #endif // TRANSLATOR_GROUP_HH