Imported Upstream version 2.18.0

[lilypond.git] / lily / include / slur-proto-engraver.hh

diff --git a/lily/include/slur-proto-engraver.hh b/lily/include/slur-proto-engraver.hh
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+++ b/lily/include/slur-proto-engraver.hh
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+/*
+  This file is part of LilyPond, the GNU music typesetter.
+
+  Copyright (C) 2013 Mike Solomon <mike@mikesolomon.org>
+
+  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 SLUR_PROTO_ENGRAVER_HH
+#define SLUR_PROTO_ENGRAVER_HH
+
+#include "engraver.hh"
+#include "moment.hh"
+
+class Slur_proto_engraver : public Engraver
+{
+protected:
+  Slur_proto_engraver (const char* double_property_name,
+    const char* grob_name, const char* object_name, const char* event_name) :
+      double_property_name_ (double_property_name),
+      grob_name_ (grob_name), object_name_ (object_name),
+      event_name_ (event_name) {}
+
+  // protected so that subclasses can see them
+  vector<Stream_event *> start_events_;
+  vector<Stream_event *> stop_events_;
+  vector<Grob *> slurs_;
+  vector<Grob *> end_slurs_;
+  vector<Grob_info> objects_to_acknowledge_;
+  const char* double_property_name_;
+  const char* grob_name_;
+  const char* object_name_;
+  const char* event_name_;
+
+  DECLARE_ACKNOWLEDGER (inline_accidental);
+  DECLARE_ACKNOWLEDGER (fingering);
+  DECLARE_ACKNOWLEDGER (note_column);
+  DECLARE_ACKNOWLEDGER (script);
+  DECLARE_ACKNOWLEDGER (dots);
+  DECLARE_ACKNOWLEDGER (text_script);
+  DECLARE_END_ACKNOWLEDGER (tie);
+  DECLARE_ACKNOWLEDGER (tuplet_number);
+
+  void internal_listen_slur (Stream_event *ev);
+  void acknowledge_extra_object (Grob_info);
+  void stop_translation_timestep ();
+  void process_music ();
+
+  bool can_create_slur (const string&, vsize, vsize *, Stream_event *);
+  void create_slur (const string &spanner_id, Stream_event *ev_cause, Grob *g_cause, Direction dir, bool left_broken);
+  bool try_to_end (Stream_event *ev);
+
+  virtual void set_melisma (bool);
+  virtual void finalize ();
+  virtual void derived_mark () const;
+
+public:
+  // no TRANSLATOR_DECLARATIONS (Slur_proto_engraver) needed since this
+  // class is abstract
+};
+
+#endif // SLUR_PROTO_ENGRAVER_HH