2 context.hh -- declare Context
4 source file of the GNU LilyPond music typesetter
6 (c) 2004--2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
15 #include "lily-proto.hh"
19 Scheme_hash_table *properties_dict () const;
20 Context (Context const &src);
22 DECLARE_SMOBS (Context, dummy);
27 friend class Interpretation_context_handle;
31 std::map<String, int> grob_counts_;
32 std::map<String, int> context_counts_;
35 Object_key const *key_;
36 Context *daddy_context_;
45 friend class Context_def;
46 void clear_key_disambiguations ();
49 Object_key const *get_key () const;
50 Object_key const *get_grob_key (String);
51 Object_key const *get_context_key (String, String);
53 Context *create_context (Context_def *, String, SCM);
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);
70 Context *remove_context (Context *trans);
71 void check_removal ();
72 String context_name () const;
73 SCM context_name_symbol () const;
74 Global_context *get_global_context () const;
76 virtual Score_context *get_score_context () const;
77 virtual Output_def *get_output_def () const;
78 virtual Moment now_mom () const;
79 virtual Context *get_default_interpreter ();
81 bool is_alias (SCM) const;
83 void add_context (Context *trans);
84 bool is_bottom_context () const;
85 bool is_removable () const;
86 bool try_music (Music *);
88 Context *find_create_context (SCM context_name,
90 Context *create_unique_context (SCM context_name,
92 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 */