csrLog.h

   1 // Copyright (C) 2021 Harry Godden (hgn)
   2
   3 // Logging with colour
   4 // ======================================================================================
   5
   6 void log_success( const char *fmt, ... );
   7 void log_info( const char *fmt, ... );
   8 void log_warn( const char *fmt, ... );
   9 void log_error( const char *fmt, ... );
  10
  11 #ifdef CSR_EXECUTABLE
  12
  13 #define KNRM  "\x1B[0m"
  14 #define KRED  "\x1B[31m"
  15 #define KGRN  "\x1B[32m"
  16 #define KYEL  "\x1B[33m"
  17 #define KBLU  "\x1B[34m"
  18 #define KMAG  "\x1B[35m"
  19 #define KCYN  "\x1B[36m"
  20 #define KWHT  "\x1B[37m"
  21
  22 #define CSR_LOG_WRITE( FILE, PREFIX )   \
  23         fprintf( FILE, PREFIX );                                                                \
  24         va_list args;                                                                                           \
  25         va_start( args, fmt );                                                                  \
  26         vfprintf( FILE, fmt, args );                                                    \
  27         va_end( args );                                                                                         \
  28         fprintf( FILE, KNRM );
  29
  30 void log_success( const char *fmt, ... ) { CSR_LOG_WRITE( stdout,       (KGRN "success" KWHT "| " KGRN) ); }
  31 void log_info( const char *fmt, ... )    { CSR_LOG_WRITE( stdout,       (KNRM "   info" KWHT "| " KNRM) ); }
  32 void log_warn( const char *fmt, ... )    { CSR_LOG_WRITE( stdout,       (KYEL "   warn" KWHT "| " KYEL) ); }
  33 void log_error( const char *fmt, ... )   { CSR_LOG_WRITE( stderr,       (KRED "  error" KWHT "| " KRED) ); }
  34
  35 // TODO: Remove this?
  36 const char *csr_prog_msg;
  37 void csr_prog_begin( const char *msg )
  38 {
  39         csr_prog_msg = msg;
  40 }
  41
  42 void csr_prog_update( float const percent )
  43 {
  44         int const k_track_length = 40;
  45
  46         printf( "\r %s %d%% |", csr_prog_msg, (int)(percent*100.f) );
  47
  48         // Calculate how many steps travelled
  49         int cur_pos = ((float)k_track_length * (1.f-percent));
  50
  51         for( int i = 0; i < cur_pos; i ++ )
  52                 printf( " " );
  53
  54         printf( "🚂🚃🚃🚃🚃" );
  55
  56         for( int i = 0; i < k_track_length-cur_pos; i ++ )
  57                 printf( " " );
  58
  59         printf( "|" );
  60
  61         fflush( stdout );
  62 }
  63
  64 void csr_prog_end(void)
  65 {
  66         csr_prog_update( 1.f );
  67         printf( "\n" );
  68 }
  69
  70 #endif