/*
- 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--2014 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.
-#ifndef ENGRAVERGROUP_HH
-#define ENGRAVERGROUP_HH
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
+*/
-#include "lily-proto.hh"
-#include "parray.hh"
-#include "plist.hh"
-#include "score-elem-info.hh"
-#include "engraver.hh"
-#include "translator.hh"
+#ifndef ENGRAVER_GROUP_HH
+#define ENGRAVER_GROUP_HH
+#include "engraver.hh"
+#include "translator-group.hh"
-/**
- Group a number of engravers. Usually delegates everything to its contents.
- Postfix: group
- */
-class Engraver_group_engraver : public Engraver, public virtual Translator {
+class Engraver_group : public Translator_group
+{
protected:
-
- Pointer_list<Engraver*> grav_list_;
- Link_array<Engraver_group_engraver> group_l_arr_;
- Link_array<Engraver> nongroup_l_arr_;
-
- Array<Score_elem_info> announce_info_arr_;
-
- virtual void do_print()const;
-
- virtual bool removable_b()const;
-
+ vector<Grob_info> announce_infos_;
+ Drul_array<SCM> acknowledge_hash_table_drul_;
+ DECLARE_LISTENER (override);
+ DECLARE_LISTENER (revert);
public:
- Input_translator * itrans_l_;
- void check_removal();
- Engraver_group_engraver();
- ~Engraver_group_engraver();
-
- bool is_bottom_engraver_b() const;
-
-
- /**
- Junk #grav_l#.
- Pre:
- #grav_l# is in #grav_list_#
- */
- virtual void terminate_engraver(Engraver * grav_l);
-
- NAME_MEMBERS();
-
- /**
- Remove #grav_l# from the list, and return it.
- */
- virtual Engraver * remove_engraver_p(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 bool 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(Engraver* grav_p);
- virtual bool contains_b(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;
-
+ VIRTUAL_COPY_CONSTRUCTOR (Translator_group, 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);
+ int pending_grob_count () 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 */