/*
context.hh -- declare Context
-
+
source file of the GNU LilyPond music typesetter
-
- (c) 2004 Han-Wen Nienhuys <hanwen@xs4all.nl>
+
+ (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_SMOBS (Context, dummy);
+ DECLARE_CLASSNAME(Context);
void terminate ();
private:
- friend class Interpretation_context_handle;
+ friend class Context_handle;
int iterator_count_;
bool init_;
-
+
+ map<String, int> grob_counts_;
+ map<String, int> context_counts_;
+
protected:
- Context * daddy_context_;
+ Object_key const *key_;
+ Context *daddy_context_;
SCM definition_;
+
SCM properties_scm_;
SCM context_list_;
SCM accepts_list_;
SCM aliases_;
- SCM implementation_;
+ Translator_group *implementation_;
String id_string_;
friend class Context_def;
+ void clear_key_disambiguations ();
+
public:
- String id_string () const { return id_string_; }
+ 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;
+ Translator_group *implementation () const { return implementation_; }
Context *get_parent_context () const;
- Context ();
+ Context (Object_key const *);
/* properties: */
void execute_pushpop_property (SCM prop, SCM sym, SCM val);
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) 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 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_alias (SCM);
void add_context (Context *trans);
bool is_bottom_context () const;
bool is_removable () const;
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;
-
+ Output_def *) const;
};
/*
- Context arg?
- */
+ Context arg?
+*/
void apply_property_operations (Context *tg, SCM pre_init_ops);
void execute_pushpop_property (Context *trg, SCM prop, SCM eltprop, SCM val);
SCM updated_grob_properties (Context *tg, SCM sym);
Context *find_context_below (Context *where,
- SCM type_sym, String id);
+ 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);
-Context *unsmob_context (SCM);
+DECLARE_UNSMOB (Context, context);
-DECLARE_UNSMOB(Context, context);
+Moment measure_position (Context const *context);
+Rational measure_length (Context const *context);
#endif /* CONTEXT_HH */