lily/midi-stream.cc

   1 //
   2 // midi-stream.cc
   3 //
   4 // source file of the GNU LilyPond music typesetter
   5 //
   6 // (c)  1997--2000 Jan Nieuwenhuizen <janneke@gnu.org>
   7
   8 #include <fstream.h>
   9 #include "string.hh"
  10 #include "string-convert.hh"
  11 #include "main.hh"
  12 #include "misc.hh"
  13 #include "midi-item.hh"
  14 #include "midi-stream.hh"
  15 #include "debug.hh"
  16
  17 Midi_stream::Midi_stream (String filename_str)
  18 {
  19   filename_str_ = filename_str;
  20   os_p_ = 0;
  21   open ();
  22 }
  23
  24 Midi_stream::~Midi_stream ()
  25 {
  26   *os_p_ << flush;              // ugh. Share with tex_stream.
  27   if (!*os_p_)
  28     {
  29       warning (_ ("Error syncing file (disk full?)"));
  30       exit_status_i_ = 1;
  31     }
  32   delete os_p_;
  33 }
  34
  35 Midi_stream&
  36 Midi_stream::operator << (String str)
  37 {
  38   *os_p_ << str;
  39   return *this;
  40 }
  41
  42 Midi_stream&
  43 Midi_stream::operator << (Midi_item const& midi_c_r)
  44 {
  45 //    *this <<midi_c_r.str ();
  46   String str = midi_c_r.str ();
  47   if (flower_dstream && !flower_dstream->silent_b ("Midistrings"))
  48     {
  49     str = String_convert::bin2hex_str (str) + "\n";
  50     // ugh, should have separate debugging output with Midi*::print routines
  51     int i = str.index_i ("0a");
  52     while (i >= 0)
  53       {
  54         str[i] = '\n';
  55         str[i + 1] = '\t';
  56         i = str.index_i ("0a");
  57       }
  58     }
  59
  60   *os_p_ << str;
  61   return *this;
  62 }
  63
  64 Midi_stream&
  65 Midi_stream::operator << (int i)
  66 {
  67   // output binary string ourselves
  68   *this << Midi_item::i2varint_str (i);
  69   return *this;
  70 }
  71
  72 void
  73 Midi_stream::open ()
  74 {
  75   os_p_ = new ofstream (filename_str_.ch_C (),ios::out|ios::bin);
  76   if (!*os_p_)
  77     error (_f ("can't open file: `%s'", filename_str_));
  78 }