quakeforge/tools/qflight/source/options.c
Ragnvald Maartmann-Moe IV 6376ebb253 Whitespace.
2002-09-19 02:37:52 +00:00

144 lines
3.4 KiB
C

/*
options.c
command line options handling
Copyright (C) 2002 Colin Thompson
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
static const char rcsid[] =
"$Id$";
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include <getopt.h>
#include <errno.h>
#include <stdlib.h>
#include "QF/qtypes.h"
#include "options.h"
const char *this_program;
static struct option const long_options[] = {
{"quiet", no_argument, 0, 'q'},
{"verbose", no_argument, 0, 'v'},
{"help", no_argument, 0, 'h'},
{"version", no_argument, 0, 'V'},
{"threads", required_argument, 0, 't'},
{"extra", no_argument, 0, 'e'},
{"distance", required_argument, 0, 'd'},
{"range", required_argument, 0, 'r'},
{"file", required_argument, 0, 'f'},
{NULL, 0, NULL, 0}
};
static const char *short_options =
"q" // quiet
"v" // verbose
"h" // help
"V" // version
"t:" // threads
"e" // extra sampling
"d:" // scale distance
"r:" // scale range
"f:"
;
void
usage (int status)
{
printf ("%s - QuakeForge light tool\n", this_program);
printf ("Usage: %s [options] bspfile\n", this_program);
printf (
"Options:\n"
" -q, --quiet Inhibit usual output\n"
" -v, --verbose Display more output than usual\n"
" -h, --help Display this help and exit\n"
" -V, --version Output version information and exit\n"
" -t, --threads [num] Number of threads to use\n"
" -e, --extra Apply extra sampling\n"
" -d, --distance [scale] Scale distance\n"
" -r, --range [scale] Scale range\n"
" -f, --file [bspfile] BSP file\n\n");
exit (status);
}
int
DecodeArgs (int argc, char **argv)
{
int c;
options.verbosity = 0;
options.threads = 1;
options.extra = false;
options.distance = 1.0;
options.range = 0.5;
bspfile = NULL;
while ((c = getopt_long (argc, argv, short_options, long_options, 0))
!= EOF) {
switch (c) {
case 'q': // quiet
options.verbosity -= 1;
break;
case 'v': // verbose
options.verbosity += 1;
break;
case 'h': // help
usage (0);
break;
case 'V': // version
printf ("%s version %s\n", PACKAGE, VERSION);
exit (0);
break;
case 't': // threads
options.threads = atoi (optarg);
break;
case 'e': // extra
options.extra = true;
break;
case 'd': // scale distance
options.distance = atof (optarg);
break;
case 'r': // scale range
options.range = atof (optarg);
break;
case 'f':
bspfile = strdup (optarg);
break;
default:
usage (1);
}
}
if ((!bspfile) && argv[optind] && *(argv[optind]))
bspfile = strdup (argv[optind++]);
return optind;
}