/*
  This file is part of LilyPond, the GNU music typesetter.

  Copyright (C) 1999--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
  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/>.
*/

#include "engraver.hh"
#include "item.hh"
#include "pitch.hh"
#include "stream-event.hh"

#include "translator.icc"

class Note_name_engraver : public Engraver
{
public:
  TRANSLATOR_DECLARATIONS (Note_name_engraver);

  vector<Stream_event *> events_;
  void listen_note (Stream_event *);
  void process_music ();
  void stop_translation_timestep ();
};

void
Note_name_engraver::listen_note (Stream_event *ev)
{
  events_.push_back (ev);
}

void
Note_name_engraver::process_music ()
{
  string s;
  for (vsize i = 0; i < events_.size (); i++)
    {
      if (i)
        s += " ";
      Pitch p = *unsmob<Pitch> (events_[i]->get_property ("pitch"));

      if (!to_boolean (get_property ("printOctaveNames")))
        p = Pitch (-1, p.get_notename (), p.get_alteration ());

      s += p.to_string ();
    }
  if (s.length ())
    {
      Item *t = make_item ("NoteName", events_[0]->self_scm ());
      t->set_property ("text", ly_string2scm (s));
    }
}

void
Note_name_engraver::stop_translation_timestep ()
{
  events_.clear ();
}

Note_name_engraver::Note_name_engraver (Context *c)
  : Engraver (c)
{
}

void
Note_name_engraver::boot ()
{
  ADD_LISTENER (Note_name_engraver, note);
}

ADD_TRANSLATOR (Note_name_engraver,
                /* doc */
                "Print pitches as words.",

                /* create */
                "NoteName ",

                /* read */
                "printOctaveNames ",

                /* write */
                ""
               );
