/*
- engraver-group.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--1999 Han-Wen Nienhuys <hanwen@cs.uu.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 "lily-proto.hh"
-#include "parray.hh"
-#include "score-element-info.hh"
#include "engraver.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_; }
+};
+
+struct Preinit_Engraver_group
+{
+ Drul_array<SCM> acknowledge_hash_table_drul_;
+ Preinit_Engraver_group ();
+};
-/**
- Group a number of engravers. Usually delegates everything to its contents.
- Postfix: group
- */
-class Engraver_group_engraver : public Engraver,
- public virtual Translator_group
+class Engraver_group : Preinit_Engraver_group, public Translator_group
{
protected:
- Array<Score_element_info> announce_info_arr_;
+ vector<Announce_grob_info> announce_infos_;
+ void override (SCM);
+ void revert (SCM);
public:
- VIRTUAL_COPY_CONS(Translator);
- Engraver_group_engraver();
- ~Engraver_group_engraver();
-
- virtual Staff_info get_staff_info() const;
- virtual void do_announces();
- virtual void announce_element (Score_element_info);
+ DECLARE_CLASSNAME (Engraver_group);
+ 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 */