* input/regression/beam-quant-standard.ly: reindent, set

[lilypond.git] / lily / include / context.hh

diff --git a/lily/include/context.hh b/lily/include/context.hh
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..ce954e664008f90bc845f48927d4e45aea720c79 100644 (file)
--- a/lily/include/context.hh
+++ b/lily/include/context.hh
@@ -0,0 +1,120 @@
+/*
+  context.hh -- declare  Context
+
+  source file of the GNU LilyPond music typesetter
+
+  (c) 2004--2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
+
+#ifndef CONTEXT_HH
+#define CONTEXT_HH
+
+#include <map>
+using namespace std;
+
+#include "moment.hh"
+#include "lily-proto.hh"
+#include "virtual-methods.hh"
+
+class Context
+{
+  Scheme_hash_table *properties_dict () const;
+  Context (Context const &src);
+
+  DECLARE_SMOBS (Context, dummy);
+  DECLARE_CLASSNAME(Context);
+  void terminate ();
+
+private:
+  friend class Context_handle;
+  int iterator_count_;
+  bool init_;
+
+  map<String, int> grob_counts_;
+  map<String, int> context_counts_;
+
+protected:
+  Object_key const *key_;
+  Context *daddy_context_;
+  SCM definition_;
+
+  SCM properties_scm_;
+  SCM context_list_;
+  SCM accepts_list_;
+  SCM aliases_;
+  Translator_group *implementation_;
+  String id_string_;
+
+  friend class Context_def;
+  void clear_key_disambiguations ();
+
+public:
+  Object_key const *get_key () const;
+  Object_key const *get_grob_key (String);
+  Object_key const *get_context_key (String, String);
+
+  Context *create_context (Context_def *, String, SCM);
+  String id_string () const { return id_string_; }
+  SCM children_contexts () const { return context_list_; }
+  SCM default_child_context_name () const;
+
+  Translator_group *implementation () const { return implementation_; }
+  Context *get_parent_context () const;
+  Context (Object_key const *);
+
+  /* properties:  */
+  SCM internal_get_property (SCM name_sym) const;
+  SCM properties_as_alist () const;
+  void internal_set_property (SCM var_sym, SCM value);
+  Context *where_defined (SCM name_sym, SCM *value) const;
+  void unset_property (SCM var_sym);
+
+  Context *remove_context (Context *trans);
+  void check_removal ();
+  String context_name () const;
+  SCM context_name_symbol () const;
+  Global_context *get_global_context () const;
+
+  virtual Score_context *get_score_context () const;
+  virtual Output_def *get_output_def () const;
+  virtual Moment now_mom () const;
+  virtual Context *get_default_interpreter ();
+
+  bool is_alias (SCM) const;
+  void add_alias (SCM);
+  void add_context (Context *trans);
+  bool is_bottom_context () const;
+  bool is_removable () const;
+  bool try_music (Music *);
+
+  Context *find_create_context (SCM context_name,
+                               String id, SCM ops);
+  Context *create_unique_context (SCM context_name,
+                                 SCM ops);
+  Link_array<Context> path_to_acceptable_context (SCM alias,
+                                                 Output_def *) const;
+};
+
+/*
+  Context arg?
+*/
+
+void apply_property_operations (Context *tg, SCM pre_init_ops);
+void execute_pushpop_property (Context *trg, SCM prop, SCM eltprop, SCM val);
+void execute_general_pushpop_property (Context *context,
+                                      SCM context_property, SCM grob_property_path, SCM val);
+SCM updated_grob_properties (Context *tg, SCM sym);
+Context *find_context_below (Context *where,
+                            SCM type_sym, String id);
+bool melisma_busy (Context *);
+
+Context *get_voice_to_lyrics (Context *lyrics);
+Grob *get_current_note_head (Context *voice);
+Grob *get_current_rest (Context *voice);
+DECLARE_UNSMOB (Context, context);
+
+Moment measure_position (Context const *context);
+Rational measure_length (Context const *context);
+
+#endif /* CONTEXT_HH */
+