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"
21 typedef void (Translator::*Method_pointer)(void);
23 class Scheme_hash_table;
26 /** Make some kind of Elements from Requests. Elements are made by
27 hierarchically grouped Translators
29 class Translator_group : public virtual Translator {
31 Scheme_hash_table *properties_dict () const;
35 friend class Interpretation_context_handle;
39 SCM add_translator (SCM, Translator*);
40 void execute_single_pushpop_property (SCM prop, SCM sym, SCM val);
41 SCM get_property (SCM name_sym) const;
42 void set_property (String var_name, SCM value);
43 void set_property (SCM var_sym, SCM value);
44 Translator_group *where_defined (SCM name_sym) const;
48 VIRTUAL_COPY_CONS(Translator);
49 Translator_group(Translator_group const &);
51 void add_group_translator (Translator *trans_p);
54 /// Score_register = 0, Staff_registers = 1, etc)
55 Translator_group* ancestor_l (int l=1);
57 bool is_bottom_translator_b () const;
58 bool removable_b() const;
59 void terminate_translator (Translator*r_l);
60 Translator *remove_translator_p (Translator*trans_l);
61 void check_removal ();
62 // Translator *get_simple_translator (String) const;
63 Translator_group *find_existing_translator_l (String n, String id);
64 Translator_group *find_create_translator_l (String n, String id);
65 Link_array<Translator_group> path_to_acceptable_translator (String alias, Music_output_def*) const;
67 Translator_group*get_default_interpreter();
70 bool try_music_on_nongroup_children (Music *m);
73 virtual void do_process_music ();
74 virtual void do_add_processing ();
75 virtual bool do_try_music (Music* req_l);
76 virtual void do_pre_move_processing();
77 virtual void do_post_move_processing();
78 virtual void do_creation_processing();
79 virtual void do_removal_processing();
80 virtual void each (Method_pointer);
84 #endif // TRANSLATOR_GROUP_HH