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 Context *create_context (Context_def*, String, SCM);
55 String id_string () const { return id_string_; }
56 SCM children_contexts () const { return context_list_; }
57 SCM default_child_context_name () const;
59 Translator_group* implementation () const;
60 Context *get_parent_context () const;
61 Context (Object_key const*);
64 void execute_pushpop_property (SCM prop, SCM sym, SCM val);
65 SCM internal_get_property (SCM name_sym) const;
66 SCM properties_as_alist () const;
67 void internal_set_property (SCM var_sym, SCM value);
68 Context *where_defined (SCM name_sym) const;
69 void unset_property (SCM var_sym);
72 Context *remove_context (Context *trans);
73 void check_removal ();
74 String context_name () const;
75 SCM context_name_symbol () const;
76 Global_context *get_global_context () const;
78 virtual Score_context * get_score_context () const;
79 virtual Output_def *get_output_def () const;
80 virtual Moment now_mom () const;
81 virtual Context *get_default_interpreter ();
83 bool is_alias (SCM) const;
85 void add_context (Context *trans);
86 bool is_bottom_context () const;
87 bool is_removable () const;
88 bool try_music (Music *);
90 Context *find_create_context (SCM context_name,
92 Context *create_unique_context (SCM context_name,
94 Link_array<Context> path_to_acceptable_context (SCM alias,
103 void apply_property_operations (Context *tg, SCM pre_init_ops);
104 void execute_pushpop_property (Context *trg, SCM prop, SCM eltprop, SCM val);
105 SCM updated_grob_properties (Context *tg, SCM sym);
106 Context *find_context_below (Context *where,
107 SCM type_sym, String id);
108 bool melisma_busy (Context *);
110 Context *get_voice_to_lyrics (Context *lyrics);
111 Grob *get_current_note_head (Context *voice);
112 Grob *get_current_rest (Context *voice);
113 DECLARE_UNSMOB(Context, context);
115 #endif /* CONTEXT_HH */