lily/midi-stream.cc

   1 /*
   2   midi-stream.cc -- implement Midi_stream
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c)  1997--2001 Jan Nieuwenhuizen <janneke@gnu.org>
   7 */
   8
   9 #include <fstream.h>
  10 #include "paper-stream.hh"
  11 #include "string.hh"
  12 #include "string-convert.hh"
  13 #include "main.hh"
  14 #include "misc.hh"
  15 #include "midi-item.hh"
  16 #include "midi-stream.hh"
  17 #include "debug.hh"
  18 #include "scm-option.hh"
  19
  20 Midi_stream::Midi_stream (String filename)
  21 {
  22   filename_str_ = filename;
  23 #if __GCC__ > 2
  24   os_p_ = open_file_stream (filename, ios::out|ios::bin);
  25 #else
  26   os_p_ = open_file_stream (filename, ios::out|ios::binary);
  27 #endif
  28 }
  29
  30 Midi_stream::~Midi_stream ()
  31 {
  32   close_file_stream (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   String str = midi_c_r.str ();
  46
  47
  48   if (midi_debug_global_b)
  49     {
  50      str = String_convert::bin2hex_str (str) + "\n";
  51     // ugh, should have separate debugging output with Midi*::print routines
  52     int i = str.index_i ("0a");
  53     while (i >= 0)
  54       {
  55         str[i] = '\n';
  56         str[i + 1] = '\t';
  57         i = str.index_i ("0a");
  58       }
  59     }
  60
  61   *os_p_ << str;
  62   return *this;
  63 }
  64
  65 Midi_stream&
  66 Midi_stream::operator << (int i)
  67 {
  68   // output binary string ourselves
  69   *this << Midi_item::i2varint_str (i);
  70   return *this;
  71 }
  72