lily/midi-stream.cc

   1 /*
   2   This file is part of LilyPond, the GNU music typesetter.
   3
   4   Copyright (C) 1997--2011 Jan Nieuwenhuizen <janneke@gnu.org>
   5
   6   LilyPond is free software: you can redistribute it and/or modify
   7   it under the terms of the GNU General Public License as published by
   8   the Free Software Foundation, either version 3 of the License, or
   9   (at your option) any later version.
  10
  11   LilyPond is distributed in the hope that it will be useful,
  12   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14   GNU General Public License for more details.
  15
  16   You should have received a copy of the GNU General Public License
  17   along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #include "midi-stream.hh"
  21
  22 #include <cerrno>
  23 using namespace std;
  24
  25 #include "international.hh"
  26 #include "main.hh"
  27 #include "midi-chunk.hh"
  28 #include "misc.hh"
  29 #include "program-option.hh"
  30 #include "stream.hh"
  31 #include "string-convert.hh"
  32 #include "warn.hh"
  33
  34 Midi_stream::Midi_stream (string file_name)
  35 {
  36   file_name_string_ = file_name;
  37   out_file_ = fopen (file_name.c_str (), "wb");
  38   if (!out_file_)
  39     error (_f ("cannot open for write: %s: %s", file_name, strerror (errno)));
  40 }
  41
  42 Midi_stream::~Midi_stream ()
  43 {
  44   fclose (out_file_);
  45 }
  46
  47 void
  48 Midi_stream::write (string str)
  49 {
  50   size_t sz = sizeof (Byte);
  51   size_t n = str.length ();
  52   size_t written = fwrite (str.data (), sz, n, out_file_);
  53
  54   if (written != sz * n)
  55     warning (_f ("cannot write to file: `%s'", str.data ()));
  56 }
  57
  58 void
  59 Midi_stream::write (Midi_chunk const &midi)
  60 {
  61   string str = midi.to_string ();
  62
  63   return write (str);
  64 }
  65