SMLabyrinth.c

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#include "guihandler.h"

/* Start function definition of SMLabyrinth module */

unsigned int MASK = 1;

bool showUsage_and_setTracingVerbosity( int argc,   
                                        char **argv 
                                      );


int main( int argc, char **argv )
{

  bool quit = showUsage_and_setTracingVerbosity( argc, argv );

  if( quit )
     return 0;

  assert( !quit );

#ifdef DEBUG
  printf("\n");
  if( MASK==0 )
   printf("DEBUG flag is active but no output will show (MASK = 0).\n\n");
  else
  {   
      printf("Debug output will show:");
      D1(printf("\n%s",ID1));
      D2(printf("\n%s",ID2));
      D3(printf("\n%s",ID3));
      D4(printf("\n%s",ID4));
      D5(printf("\n%s",ID5));
      D6(printf("\n%s",ID6));
      D7(printf("\n%s",ID7));
      D8(printf("\n%s",ID8));
  }
  D1(printf("\n***** START DEBUG OUTPUT ************************************\n"));
  D1(printf("\nmain function START\n"));
#endif

  gui( argc, argv ); // Initialize Graphic User Interface

#ifdef DEBUG    
  D1(printf("\nmain funtion END.\n\n"));
  D1(printf("\n***** END DEBUG OUTPUT ************************************\n\n"));
#endif

  return 0;
}



bool showUsage_and_setTracingVerbosity( int argc, char **argv )
{   
    // Check arguments (if any)
    int i = 1;
    for(; i<argc; i++)
        if( ( strcmp( argv[i] , "-h") == 0 )        ||
            ( strcmp( argv[i] , "--help") == 0 )
          ){
                printf("\n\nRead README for more informations.\n"\
                       "Use the options -n to show program usage.\n\n");
                return true;
        }
        else
        if( ( strcmp( argv[i] , "-v") == 0 )        ||
            ( strcmp( argv[i] , "--version") == 0 )
          ){
                printf("\n\nVersion: %s\n\n",PRGVERS);
                return true;
        }
        else
        if( ( strcmp( argv[i] , "-l") == 0 )        ||
            ( strcmp( argv[i] , "--license") == 0 )
          ){
                printf("\n\nLicense:\n\n%s\n\n",PRGLICS);
                return true;
        }    
        else
        if( ( strcmp( argv[i] , "-c") == 0 )        ||
            ( strcmp( argv[i] , "--credits") == 0 ) 
          ){
                printf( "\n\nCredits:\n\n"\
                        "%s\n\n",PRGAUTH     );
                return true;
        }
        else
        if( ( strcmp( argv[i] , "-V") == 0 )        ||
            ( strcmp( argv[i] , "--verbosity") == 0 ) 
          ){
                double control = -1;
                if( argc <= (i+1) ){ // Needs an other argument
                    printf( "\n\nMissing argument [VALUE]!\n\n"\
                            "Please, show the program usage.\n\n" );

                    return true;
                }

                // Overcast to prevent a return value that exceed MASK type range
                control = atoi( argv[ i+1 ] );
                if( ( control < 0 ) || ( control > BITMASK_MAX ) ){
                    printf( "\n\nArgument [VALUE] (%.0lf) out of range (0-%u)!"\
                            "\n\n",             control,         BITMASK_MAX );

                    return true;
                }

                assert( ( control >= 0 ) && ( control <= BITMASK_MAX ) );

                MASK = (unsigned int)control;

                return false; // Program must start
        }
        else
        {
            printf("\n\n"\
                   "%s v%s\n%s\n"\
                   "%s\n%s\n\n"\
                   " Usage: %s [OPTION]\n\n"\
                   " Default (no options and no values):\n"\
                   "                      Run the program using the Graphic User Interface\n"\
                   "                      and default tracing verbosity level (%u).\n\n"\
                   " OPTIONS:\n"\
                   "   -V [VALUE],\n"\
                   "   --verbosity [VALUE]  : Set tracing verbosity level\n"\
                   "                          to [VALUE] (0-%u) and run\n"\
                   "   -v, --version        : Display program version\n"\
                   "   -l, --license        : Display program license\n"\
                   "   -h, --help           : Display a little help\n"\
                   "   -c, --credits        : Display program credits\n"\
                   "   -n, *                : Display this informations\n\n"\
                   "   * = all parameters except just showed.\n\n"
                   ,PRGNAME, PRGVERS, PRGCPYR
                   ,PRGAIMS, PRGWBLK
                   ,argv[0]
                   ,MASK
                   ,BITMASK_MAX
                  );
            return true;
        }
   
   // There aren't arguments except the first (name of executable) 
   return false;
}

/* End function definition of SMLabyrinth module */

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