cmdline.c

   1 /*
   2   File autogenerated by gengetopt version 2.3
   3   generated with the following command:
   4   gengetopt --input=gliv.ggo --unamed-opts
   5
   6   The developers of gengetopt consider the fixed text that goes in all
   7   gengetopt output files to be in the public domain:
   8   we make no copyright claims on it.
   9 */
  10
  11
  12 #include <stdio.h>
  13 #include <stdlib.h>
  14 #include <string.h>
  15 /* If we use autoconf.  */
  16 #ifdef HAVE_CONFIG_H
  17 #include "config.h"
  18 #endif
  19 /* Check for configure's getopt check result.  */
  20 #ifndef HAVE_GETOPT_LONG
  21 #include "getopt.h"
  22 #else
  23 #include <getopt.h>
  24 #endif
  25
  26 #include "cmdline.h"
  27
  28
  29 void
  30 cmdline_parser_print_version (void)
  31 {
  32   printf ("%s %s\n", PACKAGE, VERSION);
  33 }
  34
  35 void
  36 cmdline_parser_print_help (void)
  37 {
  38   cmdline_parser_print_version ();
  39   printf("\n"
  40 "Usage: %s [OPTIONS]... FILES...\n\
  41    -h      --help          Print help and exit\n\
  42    -V      --version       Print version and exit\n\
  43    -f      --full-screen   Start in full screen mode (default=off)\n\
  44    -s      --shuffle       Show images in random order (default=off)\n\
  45    -R      --recursive     Process directories recursively (default=off)\n\
  46    -i      --info          Show infos about displayed image (default=on)\n\
  47    -m      --maximize      Maximize image to fit window (default=off)\n\
  48    -dINT   --delay=INT     Delay before hiding the cursor\n\
  49    -b      --menu          Display the menu bar (default=on)\n\
  50 ", PACKAGE);
  51 }
  52
  53
  54 static char *
  55 gengetopt_strdup (char * s)
  56 {
  57   char * n, * pn, * ps = s;
  58   while (*ps) ps++;
  59   n = (char *) malloc (1 + ps - s);
  60   if (n != NULL)
  61     {
  62       for (ps=s,pn=n; *ps; ps++,pn++)
  63         *pn = *ps;
  64       *pn = 0;
  65     }
  66   return n;
  67 }
  68
  69
  70 int
  71 cmdline_parser (int argc, char * const *argv, struct gengetopt_args_info *args_info)
  72 {
  73   int c;        /* Character of the parsed option.  */
  74   int missing_required_options = 0;
  75
  76   args_info->help_given = 0 ;
  77   args_info->version_given = 0 ;
  78   args_info->full_screen_given = 0 ;
  79   args_info->shuffle_given = 0 ;
  80   args_info->recursive_given = 0 ;
  81   args_info->info_given = 0 ;
  82   args_info->maximize_given = 0 ;
  83   args_info->delay_given = 0 ;
  84   args_info->menu_given = 0 ;
  85 #define clear_args() { \
  86   args_info->full_screen_flag = 0;\
  87   args_info->shuffle_flag = 0;\
  88   args_info->recursive_flag = 0;\
  89   args_info->info_flag = 1;\
  90   args_info->maximize_flag = 0;\
  91   args_info->menu_flag = 1;\
  92 }
  93
  94   clear_args();
  95
  96   args_info->inputs = NULL;
  97   args_info->inputs_num = 0;
  98
  99   while (1)
 100     {
 101       int option_index = 0;
 102       static struct option long_options[] = {
 103         { "help",       0, NULL, 'h' },
 104         { "version",    0, NULL, 'V' },
 105         { "full-screen",        0, NULL, 'f' },
 106         { "shuffle",    0, NULL, 's' },
 107         { "recursive",  0, NULL, 'R' },
 108         { "info",       0, NULL, 'i' },
 109         { "maximize",   0, NULL, 'm' },
 110         { "delay",      1, NULL, 'd' },
 111         { "menu",       0, NULL, 'b' },
 112         { NULL, 0, NULL, 0 }
 113       };
 114
 115       c = getopt_long (argc, argv, "hVfsRimd:b", long_options, &option_index);
 116
 117       if (c == -1) break;       /* Exit from `while (1)' loop.  */
 118
 119       switch (c)
 120         {
 121         case 'h':       /* Print help and exit.  */
 122           clear_args ();
 123           cmdline_parser_print_help ();
 124           exit (0);
 125
 126         case 'V':       /* Print version and exit.  */
 127           clear_args ();
 128           cmdline_parser_print_version ();
 129           exit (0);
 130
 131         case 'f':       /* Start in full screen mode.  */
 132           args_info->full_screen_flag = !(args_info->full_screen_flag);
 133           break;
 134
 135         case 's':       /* Show images in random order.  */
 136           args_info->shuffle_flag = !(args_info->shuffle_flag);
 137           break;
 138
 139         case 'R':       /* Process directories recursively.  */
 140           args_info->recursive_flag = !(args_info->recursive_flag);
 141           break;
 142
 143         case 'i':       /* Show infos about displayed image.  */
 144           args_info->info_flag = !(args_info->info_flag);
 145           break;
 146
 147         case 'm':       /* Maximize image to fit window.  */
 148           args_info->maximize_flag = !(args_info->maximize_flag);
 149           break;
 150
 151         case 'd':       /* Delay before hiding the cursor.  */
 152           if (args_info->delay_given)
 153             {
 154               fprintf (stderr, "%s: `--delay' (`-d') option given more than once\n", PACKAGE);
 155               clear_args ();
 156               cmdline_parser_print_help ();
 157               exit (1);
 158             }
 159           args_info->delay_given = 1;
 160           args_info->delay_arg = atoi (optarg);
 161           break;
 162
 163         case 'b':       /* Display the menu bar.  */
 164           args_info->menu_flag = !(args_info->menu_flag);
 165           break;
 166
 167         case 0: /* Long option with no short option */
 168
 169         case '?':       /* Invalid option.  */
 170           /* `getopt_long' already printed an error message.  */
 171           exit (1);
 172
 173         default:        /* bug: option not considered.  */
 174           fprintf (stderr, "%s: option unknown: %c\n", PACKAGE, c);
 175           abort ();
 176         } /* switch */
 177     } /* while */
 178
 179   if ( missing_required_options )
 180     exit (1);
 181
 182   if (optind < argc)
 183     {
 184       int i = 0 ;
 185
 186       args_info->inputs_num = argc - optind ;
 187       args_info->inputs =
 188         (char **)(malloc ((args_info->inputs_num)*sizeof(char *))) ;
 189       while (optind < argc)
 190         args_info->inputs[ i++ ] = gengetopt_strdup (argv[optind++]) ;
 191     }
 192
 193   return 0;
 194 }