2 context.hh -- declare Context
4 source file of the GNU LilyPond music typesetter
6 (c) 2004 Han-Wen Nienhuys <hanwen@xs4all.nl>
15 #include "lily-proto.hh"
20 Scheme_hash_table *properties_dict () const;
21 Context (Context const &src);
23 DECLARE_SMOBS (Context, dummy);
28 friend class Interpretation_context_handle;
32 std::map<String, int> grob_counts_;
33 std::map<String, int> context_counts_;
36 Object_key const * key_;
37 Context * daddy_context_;
46 friend class Context_def;
47 void clear_key_disambiguations ();
50 Object_key const *get_key () const;
51 Object_key const *get_grob_key (String);
52 Object_key const *get_context_key (String, String);
54 String id_string () const { return id_string_; }
55 SCM children_contexts () const { return context_list_; }
56 SCM default_child_context_name () const;
58 Translator_group* implementation () const;
59 Context *get_parent_context () const;
60 Context (Object_key const*);
63 void execute_pushpop_property (SCM prop, SCM sym, SCM val);
64 SCM internal_get_property (SCM name_sym) const;
65 SCM properties_as_alist () const;
66 void internal_set_property (SCM var_sym, SCM value);
67 Context *where_defined (SCM name_sym) const;
68 void unset_property (SCM var_sym);
71 Context *remove_context (Context *trans);
72 void check_removal ();
73 String context_name () const;
74 SCM context_name_symbol () const;
75 Global_context *get_global_context () const;
77 virtual Score_context * get_score_context () const;
78 virtual Output_def *get_output_def () const;
79 virtual Moment now_mom () const;
80 virtual Context *get_default_interpreter ();
82 bool is_alias (SCM) const;
84 void add_context (Context *trans);
85 bool is_bottom_context () const;
86 bool is_removable () const;
87 bool try_music (Music *);
89 Context *find_create_context (SCM context_name,
91 Link_array<Context> path_to_acceptable_context (SCM alias,
100 void apply_property_operations (Context *tg, SCM pre_init_ops);
101 void execute_pushpop_property (Context *trg, SCM prop, SCM eltprop, SCM val);
102 SCM updated_grob_properties (Context *tg, SCM sym);
103 Context *find_context_below (Context *where,
104 SCM type_sym, String id);
105 bool melisma_busy (Context *);
107 Context *get_voice_to_lyrics (Context *lyrics);
108 Grob *get_current_note_head (Context *voice);
109 Grob *get_current_rest (Context *voice);
110 DECLARE_UNSMOB(Context, context);
112 #endif /* CONTEXT_HH */