/*
This file is part of LilyPond, the GNU music typesetter.
- Copyright (C) 2004--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ Copyright (C) 2004--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
LilyPond is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
class Context : public Smob<Context>
{
public:
- static SCM mark_smob (SCM);
- static int print_smob (SCM, SCM, scm_print_state *);
+ SCM mark_smob () const;
+ int print_smob (SCM, scm_print_state *) const;
static const char type_p_name_[];
virtual ~Context ();
private:
Scheme_hash_table *properties_dict () const;
- Context (Context const &src);
+ Context (Context const &src); // Do not define! Not copyable!
DECLARE_CLASSNAME (Context);
void terminate ();
SCM default_child_;
SCM aliases_;
Translator_group *implementation_;
- string id_string_;
+ std::string id_string_;
/* Events reported in the context is sent to this dispatcher. */
Dispatcher *event_source_;
// UGH! initialises implementation_
friend SCM ly_make_global_translator (SCM);
- DECLARE_LISTENER (set_property_from_event);
- DECLARE_LISTENER (unset_property_from_event);
+ void set_property_from_event (SCM);
+ void unset_property_from_event (SCM);
public:
- string id_string () const { return id_string_; }
+ std::string id_string () const { return id_string_; }
SCM children_contexts () const { return context_list_; }
SCM default_child_context_name () const;
void instrumented_set_property (SCM, SCM, const char *, int, const char *);
void internal_set_property (SCM var_sym, SCM value);
- Context *create_context (Context_def *, const string&, SCM);
- DECLARE_LISTENER (create_context_from_event);
- DECLARE_LISTENER (acknowledge_infant);
- DECLARE_LISTENER (remove_context);
- DECLARE_LISTENER (change_parent);
+ Context *create_context (Context_def *, const std::string&, SCM);
+ void create_context_from_event (SCM);
+ void acknowledge_infant (SCM);
+ void remove_context (SCM);
+ void change_parent (SCM);
void disconnect_from_parent ();
void check_removal ();
- string context_name () const;
+ std::string context_name () const;
SCM context_name_symbol () const;
Global_context *get_global_context () const;
virtual Context *get_score_context () const;
virtual Output_def *get_output_def () const;
virtual Moment now_mom () const;
- virtual Context *get_default_interpreter (const string &context_id = "");
+ virtual Context *get_default_interpreter (const std::string &context_id = "");
bool is_alias (SCM) const;
void add_alias (SCM);
bool is_removable () const;
Context *find_create_context (SCM context_name,
- const string &id, SCM ops);
- Context *create_unique_context (SCM context_name, const string &context_id,
+ const std::string &id, SCM ops);
+ Context *create_unique_context (SCM context_name, const std::string &context_id,
SCM ops);
- vector<Context_def *> path_to_acceptable_context (SCM alias) const;
+ std::vector<Context_def *> path_to_acceptable_context (SCM alias) const;
};
/*
void apply_property_operations (Context *tg, SCM pre_init_ops);
void execute_pushpop_property (Context *trg, SCM prop, SCM eltprop, SCM val);
+// Search for a context of the given type starting from the given context and
+// moving toward the root of the tree. If the starting context matches, it is
+// returned.
+Context *find_context_above (Context *where, SCM type_sym);
+
+// Search for a context of the given type starting from the given context and
+// moving toward the root of the tree. If found, return its child that was
+// found on the way there.
+Context *find_context_above_by_parent_type (Context *where, SCM parent_type);
+
+// Search for a context of the given type and ID starting from the given
+// context and moving toward the leaves of the tree. If the starting context
+// matches, it is returned. An empty ID matches any context of the given type.
Context *find_context_below (Context *where,
- SCM type_sym, const string &id);
+ SCM type_sym, const std::string &id);
+
+// Search for a context of the given type and ID starting with the given
+// context, then searching its descendants, then its parent's descendants, etc.
+// An empty ID matches any context of the given type.
+Context *find_context_near (Context *where,
+ SCM type_sym, const std::string &id);
+
+// Search for the top context (i.e. the ancestor with no parent) starting with
+// the given context.
+Context *find_top_context (Context *where);
+
bool melisma_busy (Context *);
Context *get_voice_to_lyrics (Context *lyrics);
-Grob *get_current_note_head (Context *voice, bool include_grace_notes);
+Grob *get_current_note_head (Context *voice);
Grob *get_current_rest (Context *voice);
Moment measure_position (Context const *context);