ftp.nice.ch/pub/next/science/mathematics/HippoDraw.2.0.s.tar.gz#/HippoDraw/Hippo.bproj/hippoplotamus/text2nt.c

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "hippo.h"

#ifdef sun
#define EXIT_FAILURE 1
#define EXIT_SUCCESS 0
#endif

#ifndef vms
extern int getopt(int, char **, char *);
#endif

int main(int argc, char **argv)
{
#ifndef vms
     extern char *optarg;
     extern int optind;
#else
     int optind = 1;
#endif

     int c;
     int i;
     int i_appnt=0, i_thisnt=0;
     
     int append = 0;
     int verbose = 0;
     
     char filenm[80];		/* files and filenames */
     FILE *ifile = stdin;
     FILE *ofile = stdout;
#ifndef __STDC__
     static
#endif
     char outfilenm[80] = "",
	  appfilenm[80] = "";

     ntuple *nt_list = NULL;	/* hippo objects */
     ntuple appnt=NULL;
     display *d_list = NULL;

#ifndef vms
     while ((c = getopt( argc, argv, "a:vn:o:f:i:")) != -1)
     {
	  
	  switch (c)
	  {
	  case 'n':
	       sscanf(optarg,"%d",&i_appnt);
	       break;
	       
	  case 'a':
	       /* append ntuple to present output file */
	       append = 1;
	       sscanf(optarg,"%s",appfilenm);
	       if (verbose) fprintf(stderr,"Input hippo file = %s\n",
				    appfilenm);
	       break;
	       
	  case 'i':
	  case 'f':
	       sscanf(optarg,"%s",filenm);
	       if (verbose) fprintf(stderr,"Input text file = %s\n",filenm);
	       if ( (ifile = fopen(filenm,"r")) == NULL )
	       {
		    fprintf(stderr,"Error opening text input file %s\n",
			    filenm);
		    exit(EXIT_FAILURE);
	       }
	       break;
	       
	  case 'o':
	       sscanf(optarg,"%s",outfilenm);
	       if (verbose) fprintf(stderr,"outfile = %s\n",outfilenm);
	       if ( (ofile = fopen(outfilenm,"w")) == NULL )
	       {
		    fprintf(stderr,"Error opening hippo output file %s\n",
			    outfilenm);
		    exit(EXIT_FAILURE);
	       }
	       break;

	  case 'v':
	       verbose = 1;
	       break;
	       
	  default:
	  case '?':
	       fprintf(stderr,
		       "Usage: [-v] [-a <appendfile>] [-f <inputfile>]\n");
	       fprintf(stderr,
		       "[-o <outputfile>] [<inputfile> | stdin] [<outputfile> | stdout\n");
	       exit(EXIT_FAILURE);
	  }
     }
#endif				/* ifndef vms */

     /*
      * input file not in option form.
      */
     if (optind < argc)
     {
	  sscanf(argv[optind],"%s",filenm);
	  if (verbose) fprintf(stderr,"Input text file = %s\n",filenm);
	  if ( (ifile = fopen(filenm,"r")) == NULL )
	  {
	       fprintf(stderr,"Error opening text input file %s\n",
		       filenm);
	       exit(EXIT_FAILURE);
	  }
	  optind++;
     }
     
     /*
      * output file not in option form.
      */
     if (optind < argc)
     {
	  sscanf(argv[optind],"%s",outfilenm);
	  if (verbose) fprintf(stderr,"outfile = %s\n",outfilenm);
	  if ( (ofile = fopen(outfilenm,"w")) == NULL )
	  {
	       fprintf(stderr,"Error opening hippo output file %s\n",
		       outfilenm);
	       exit(EXIT_FAILURE);
	  }
	  optind++;
     }

     /*
      * handle appending ntuple to existing file.
      */
     if (append && strcmp(appfilenm,"")>0)
     {
	  if (verbose) fprintf(stderr,
			       "Appending data to ntuple number %d\n",
			       i_appnt);
	  h_read(appfilenm,&d_list,&nt_list);
	  i = 0;
	  while (nt_list[i] != NULL) i++;
	  if (i_appnt >= i) 
	  {
	       fprintf(stderr,"There are only %d ntuple in file %s\n",
		       i,appfilenm);
	       fprintf(stderr,"Remember: ntuples are numbered from 0\n");
	       exit(EXIT_FAILURE);
	  }
	  else
	  {
	       appnt = nt_list[i_appnt];
	       i_thisnt = i_appnt;
	  }
     }
     else if (append)
     {
	  fprintf(stderr,"Asked for append, but no input file\n");
	  exit(EXIT_FAILURE);
     }
     else
     {
	  i_thisnt = 0;
	  nt_list = (ntuple *) malloc( 2*sizeof(ntuple) );
	  nt_list[1] = NULL;
	  d_list = (display *) malloc( sizeof(display) );
	  d_list[0] = NULL;
	  appnt = NULL;
     }
     
     /*
      * options are all set. Call h_fileParse to read file.
      */
     nt_list[i_thisnt] = h_fileParse(ifile, appnt, verbose );
     
     /* 
      * write out the file.
      */
     if (h_writeStream(ofile, d_list, nt_list ) != 0)
     {
	  fprintf(stderr,"Could not write file\n");
	  exit(EXIT_FAILURE);
     }

     exit(EXIT_SUCCESS);
}

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