/*
- engravergroup.hh -- declare Engraver_group_engraver
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1997--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1997 Han-Wen Nienhuys <hanwen@stack.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
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
+*/
-#ifndef ENGRAVERGROUP_HH
-#define ENGRAVERGROUP_HH
+#ifndef ENGRAVER_GROUP_HH
+#define ENGRAVER_GROUP_HH
-#include "parray.hh"
-#include "plist.hh"
-#include "score-elem-info.hh"
#include "engraver.hh"
-#include "translator.hh"
+#include "translator-group.hh"
+class Announce_grob_info : public Grob_info
+{
+ Direction start_end_;
+public:
+ Announce_grob_info (Grob_info gi, Direction start_end)
+ : Grob_info (gi), start_end_ (start_end)
+ { }
+ Direction start_end () const { return start_end_; }
+};
-/**
- Group a number of engravers. Usually delegates everything to its contents.
- Postfix: group
- */
-class Engraver_group_engraver : public Request_engraver, public virtual Translator {
+class Engraver_group : public Preinit<Engraver_group>, public Translator_group
+{
protected:
-
- Pointer_list<Request_engraver*> grav_list_;
- Link_array<Engraver_group_engraver> group_l_arr_;
- Link_array<Request_engraver> nongroup_l_arr_;
-
- Array<Score_elem_info> announce_info_arr_;
-
- virtual void do_print()const;
-
- virtual bool removable_b()const;
-
+ vector<Announce_grob_info> announce_infos_;
+ Drul_array<SCM> acknowledge_hash_table_drul_;
+ void override (SCM);
+ void revert (SCM);
public:
- Input_engraver * igrav_l_;
- void check_removal();
- Engraver_group_engraver();
- ~Engraver_group_engraver();
-
-
-
- /**
- Junk #grav_l#.
- Pre:
- #grav_l# is in #grav_list_#
- */
- virtual void terminate_engraver(Request_engraver * grav_l);
-
- NAME_MEMBERS();
-
- /**
- Remove #grav_l# from the list, and return it.
- */
- virtual Request_engraver * remove_engraver_p(Request_engraver*grav_l);
- virtual void set_feature(Feature i);
- virtual void sync_features() ;
- virtual void do_pre_move_processing();
- virtual void do_post_move_processing();
-
- virtual void do_removal_processing();
- virtual bool do_try_request(Request*);
- virtual void do_process_requests();
-
- virtual Staff_info get_staff_info()const;
-
- virtual Engraver_group_engraver * find_engraver_l(String name,String id);
- virtual void do_announces();
- virtual void announce_element(Score_elem_info);
-
-
- virtual void add(Request_engraver* grav_p);
-
- virtual bool contains_b(Request_engraver*)const;
-
- virtual Translator* find_get_translator_l(String name, String id);
- virtual Translator * get_default_interpreter();
- /**
- Go up in the tree. default: choose next parent
- */
- Translator * ancestor_l(int l=1);
- int depth_i() const;
-
+ DECLARE_CLASSNAME (Engraver_group);
+ void pre_init ();
+ Engraver_group ();
+ virtual void derived_mark () const;
+ void do_announces ();
+ virtual void connect_to_context (Context *c);
+ virtual void disconnect_from_context ();
+ virtual void announce_grob (Grob_info, Direction start_end,
+ Context *reroute_context = 0);
+ bool pending_grobs () const;
+private:
+ virtual void acknowledge_grobs ();
};
-#endif // ENGRAVERGROUP_HH
+typedef void (Engraver:: *Engraver_method) (void);
+
+void engraver_each (SCM list, Engraver_method method);
+#endif /* ENGRAVERGROUP_HH */