mi2mu/include/midi-parser.hh

   1 /*
   2   midi-parser.hh -- declare Midi_parser
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1997 Jan Nieuwenhuizen <jan@digicash.com>
   7 */
   8
   9
  10 #ifndef MIDI_PARSER_HH
  11 #define MIDI_PARSER_HH
  12
  13 // must, gcc 2.7.2{,.1} hits ico on midi-track-parser.cc:134 (@Midi_note)
  14 #define INLINES
  15
  16 #ifdef INLINES
  17
  18 #define next_byte() (inline_next_byte (__FUNCTION__))
  19 #define peek_byte() (inline_peek_byte (__FUNCTION__))
  20 #define forward_byte_L(n) (inline_forward_byte_L (__FUNCTION__, n))
  21
  22 #else
  23
  24 #define next_byte()\
  25   ((info_l_->byte_L_ < info_l_->end_byte_L_ ?\
  26     *info_l_->byte_L_++\
  27    : (Byte const)exit (__FUNCTION__": unexpected EOF")));
  28
  29 #define peek_byte()\
  30   ((info_l_->byte_L_ < info_l_->end_byte_L_ ?\
  31     *info_l_->byte_L_\
  32   : (Byte const)exit (__FUNCTION__": unexpected EOF")));
  33
  34 #define forward_byte_L(n) (inline_forward_byte_L (__FUNCTION__, n))
  35
  36 #endif
  37
  38 #include "proto.hh"
  39 #include "moment.hh"
  40 #include "mi2mu-proto.hh"
  41
  42 struct Midi_parser_info
  43 {
  44   Midi_parser_info();
  45   int division_1_i_;
  46   int format_i_;
  47   int tracks_i_;
  48   int errorlevel_i_;
  49   Byte const* byte_L_;
  50   Byte const* end_byte_L_;
  51   Source_file* source_l_;
  52   Mudela_score* score_l_;
  53   Moment bar_mom_;
  54 };
  55
  56 #include "string.hh"
  57
  58 class Midi_parser
  59 {
  60 public:
  61   Midi_parser ();
  62
  63   Midi_parser_info* info_l_;
  64
  65 protected:
  66 //  Byte const* inline_forward_byte_L (int n)
  67   Byte const* inline_forward_byte_L (char const* fun, int n)
  68   {
  69     if (info_l_->byte_L_ + n < info_l_->end_byte_L_ )
  70       {
  71       Byte const* p = info_l_->byte_L_;
  72       info_l_->byte_L_ += n;
  73       return p;
  74     }
  75 //    exit (__FUNCTION__": unexpected EOF");
  76     exit (String (fun) + ": unexpected EOF");
  77     return 0;
  78   }
  79
  80 #ifdef INLINES
  81 //  Byte inline_next_byte ()
  82   Byte inline_next_byte (char const* fun)
  83     {
  84       if (info_l_->byte_L_ < info_l_->end_byte_L_)
  85          return *info_l_->byte_L_++;
  86 //    exit (__FUNCTION__": unexpected EOF");
  87       exit (String (fun) + ": unexpected EOF");
  88       return 0;
  89     }
  90
  91 //  Byte inline_peek_byte ()
  92   Byte inline_peek_byte (char const* fun)
  93     {
  94       if (info_l_->byte_L_ < info_l_->end_byte_L_)
  95         return *info_l_->byte_L_;
  96 //      exit (__FUNCTION__": unexpected EOF");
  97       exit (String (fun) + ": unexpected EOF");
  98       return 0;
  99     }
 100 #endif
 101
 102   int get_i (int);
 103   String get_str (int);
 104   unsigned get_u (int);
 105   int get_var_i ();
 106   int exit (String);
 107   void error (String);
 108   String message (String);
 109   void warning (String);
 110 };
 111
 112 #endif // MIDI_PARSER_HH