src/cmdline.c

   1 /*
   2   File autogenerated by gengetopt version 2.10
   3   generated with the following command:
   4   gengetopt --input=../tools/gliv.ggo --unamed-opts --no-handle-error
   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
  16 /* If we use autoconf.  */
  17 #ifdef HAVE_CONFIG_H
  18 #include "config.h"
  19 #endif
  20
  21 #include "getopt.h"
  22
  23 #include "cmdline.h"
  24
  25 void
  26 cmdline_parser_print_version (void)
  27 {
  28   printf ("%s %s\n", CMDLINE_PARSER_PACKAGE, CMDLINE_PARSER_VERSION);
  29 }
  30
  31 void
  32 cmdline_parser_print_help (void)
  33 {
  34   cmdline_parser_print_version ();
  35   printf("\n"
  36   "Purpose:\n"
  37   "  Image Viewer using OpenGL\n"
  38   "\n"
  39   "Usage: %s [OPTIONS]... [FILES]...\n", CMDLINE_PARSER_PACKAGE);
  40   printf("   -h      --help           Print help and exit\n");
  41   printf("   -V      --version        Print version and exit\n");
  42   printf("\n");
  43   printf("   Group: sort\n");
  44   printf("   -s      --shuffle        Show images in random order\n");
  45   printf("   -S      --sort           Show images in sorted order\n");
  46   printf("   -R      --recursive      Process directories recursively (default=off)\n");
  47   printf("   -f      --full-screen    Start in full screen mode (default=off)\n");
  48   printf("   -l      --scale-down     Reduce the image to the window (default=off)\n");
  49   printf("   -M      --maximize       Maximize the image to the window (default=off)\n");
  50   printf("   -m      --make-fit       Make the image fit the window (default=off)\n");
  51   printf("   -z      --zoom-pointer   Zoom centered on pointer (default=off)\n");
  52   printf("   -t      --dither         Enable dithering (default=off)\n");
  53   printf("   -F      --force-load     Try to load every file (default=off)\n");
  54   printf("   -p      --mipmap         Build Mipmaps (default=off)\n");
  55   printf("   -n      --mnemonics      Make mnemonics for images menus (default=off)\n");
  56   printf("   -w      --slide-show     Start the slide show immediately (default=off)\n");
  57   printf("   -L      --loop           Make the slide show loop at the end (default=off)\n");
  58   printf("   -1      --one-image      Keep only one image in memory (default=off)\n");
  59   printf("   -0      --null           Read null-terminated filenames (default=off)\n");
  60   printf("   -e      --build-menus    Build images menu at startup (default=on)\n");
  61   printf("   -b      --menu           Display the menu bar (default=on)\n");
  62   printf("   -i      --info           Show infos about displayed image (default=on)\n");
  63   printf("   -o      --scrollbars     Display scrollbars (default=on)\n");
  64   printf("   -g      --glivrc         Load ~/.glivrc (default=on)\n");
  65   printf("   -c      --alpha-checks   Alpha checks in the background (default=on)\n");
  66   printf("   -T      --thumbnails     Show thumbnails in images menus (default=on)\n");
  67   printf("   -W      --resize-win     Automatic window resizing (default=on)\n");
  68   printf("   -dINT   --delay=INT      Delay before hiding the cursor\n");
  69   printf("   -uINT   --history=INT    Length of history\n");
  70   printf("   -aINT   --duration=INT   Delay between each image\n");
  71   printf("   -PINT   --fps=INT        Maximum framerate\n");
  72 }
  73
  74
  75 static char *gengetopt_strdup (const char *s);
  76
  77 /* gengetopt_strdup() */
  78 /* strdup.c replacement of strdup, which is not standard */
  79 char *
  80 gengetopt_strdup (const char *s)
  81 {
  82   char *result = (char*)malloc(strlen(s) + 1);
  83   if (result == (char*)0)
  84     return (char*)0;
  85   strcpy(result, s);
  86   return result;
  87 }
  88
  89 int
  90 cmdline_parser (int argc, char * const *argv, struct gengetopt_args_info *args_info)
  91 {
  92   int c;        /* Character of the parsed option.  */
  93   int missing_required_options = 0;
  94   int sort_group_counter = 0;
  95
  96
  97   args_info->help_given = 0 ;
  98   args_info->version_given = 0 ;
  99   args_info->shuffle_given = 0 ;
 100   args_info->sort_given = 0 ;
 101   args_info->recursive_given = 0 ;
 102   args_info->full_screen_given = 0 ;
 103   args_info->scale_down_given = 0 ;
 104   args_info->maximize_given = 0 ;
 105   args_info->make_fit_given = 0 ;
 106   args_info->zoom_pointer_given = 0 ;
 107   args_info->dither_given = 0 ;
 108   args_info->force_load_given = 0 ;
 109   args_info->mipmap_given = 0 ;
 110   args_info->mnemonics_given = 0 ;
 111   args_info->slide_show_given = 0 ;
 112   args_info->loop_given = 0 ;
 113   args_info->one_image_given = 0 ;
 114   args_info->null_given = 0 ;
 115   args_info->build_menus_given = 0 ;
 116   args_info->menu_given = 0 ;
 117   args_info->info_given = 0 ;
 118   args_info->scrollbars_given = 0 ;
 119   args_info->glivrc_given = 0 ;
 120   args_info->alpha_checks_given = 0 ;
 121   args_info->thumbnails_given = 0 ;
 122   args_info->resize_win_given = 0 ;
 123   args_info->delay_given = 0 ;
 124   args_info->history_given = 0 ;
 125   args_info->duration_given = 0 ;
 126   args_info->fps_given = 0 ;
 127 #define clear_args() { \
 128   args_info->recursive_flag = 0;\
 129   args_info->full_screen_flag = 0;\
 130   args_info->scale_down_flag = 0;\
 131   args_info->maximize_flag = 0;\
 132   args_info->make_fit_flag = 0;\
 133   args_info->zoom_pointer_flag = 0;\
 134   args_info->dither_flag = 0;\
 135   args_info->force_load_flag = 0;\
 136   args_info->mipmap_flag = 0;\
 137   args_info->mnemonics_flag = 0;\
 138   args_info->slide_show_flag = 0;\
 139   args_info->loop_flag = 0;\
 140   args_info->one_image_flag = 0;\
 141   args_info->null_flag = 0;\
 142   args_info->build_menus_flag = 1;\
 143   args_info->menu_flag = 1;\
 144   args_info->info_flag = 1;\
 145   args_info->scrollbars_flag = 1;\
 146   args_info->glivrc_flag = 1;\
 147   args_info->alpha_checks_flag = 1;\
 148   args_info->thumbnails_flag = 1;\
 149   args_info->resize_win_flag = 1;\
 150 }
 151
 152   clear_args();
 153
 154   args_info->inputs = NULL;
 155   args_info->inputs_num = 0;
 156
 157   optarg = 0;
 158   optind = 1;
 159   opterr = 1;
 160   optopt = '?';
 161
 162   while (1)
 163     {
 164       int option_index = 0;
 165       char *stop_char;
 166
 167       static struct option long_options[] = {
 168         { "help",       0, NULL, 'h' },
 169         { "version",    0, NULL, 'V' },
 170         { "shuffle",    0, NULL, 's' },
 171         { "sort",       0, NULL, 'S' },
 172         { "recursive",  0, NULL, 'R' },
 173         { "full-screen",        0, NULL, 'f' },
 174         { "scale-down", 0, NULL, 'l' },
 175         { "maximize",   0, NULL, 'M' },
 176         { "make-fit",   0, NULL, 'm' },
 177         { "zoom-pointer",       0, NULL, 'z' },
 178         { "dither",     0, NULL, 't' },
 179         { "force-load", 0, NULL, 'F' },
 180         { "mipmap",     0, NULL, 'p' },
 181         { "mnemonics",  0, NULL, 'n' },
 182         { "slide-show", 0, NULL, 'w' },
 183         { "loop",       0, NULL, 'L' },
 184         { "one-image",  0, NULL, '1' },
 185         { "null",       0, NULL, '0' },
 186         { "build-menus",        0, NULL, 'e' },
 187         { "menu",       0, NULL, 'b' },
 188         { "info",       0, NULL, 'i' },
 189         { "scrollbars", 0, NULL, 'o' },
 190         { "glivrc",     0, NULL, 'g' },
 191         { "alpha-checks",       0, NULL, 'c' },
 192         { "thumbnails", 0, NULL, 'T' },
 193         { "resize-win", 0, NULL, 'W' },
 194         { "delay",      1, NULL, 'd' },
 195         { "history",    1, NULL, 'u' },
 196         { "duration",   1, NULL, 'a' },
 197         { "fps",        1, NULL, 'P' },
 198         { NULL, 0, NULL, 0 }
 199       };
 200
 201       stop_char = 0;
 202       c = getopt_long (argc, argv, "hVsSRflMmztFpnwL10ebiogcTWd:u:a:P:", long_options, &option_index);
 203
 204       if (c == -1) break;       /* Exit from `while (1)' loop.  */
 205
 206       switch (c)
 207         {
 208         case 'h':       /* Print help and exit.  */
 209           clear_args ();
 210           cmdline_parser_print_help ();
 211           exit (EXIT_SUCCESS);
 212
 213         case 'V':       /* Print version and exit.  */
 214           clear_args ();
 215           cmdline_parser_print_version ();
 216           exit (EXIT_SUCCESS);
 217
 218         case 's':       /* Show images in random order.  */
 219           if (args_info->shuffle_given)
 220             {
 221               fprintf (stderr, "%s: `--shuffle' (`-s') option given more than once\n", CMDLINE_PARSER_PACKAGE);
 222               clear_args ();
 223               return (EXIT_FAILURE);
 224             }
 225           args_info->shuffle_given = 1;
 226           sort_group_counter += 1;
 227         break;
 228
 229         case 'S':       /* Show images in sorted order.  */
 230           if (args_info->sort_given)
 231             {
 232               fprintf (stderr, "%s: `--sort' (`-S') option given more than once\n", CMDLINE_PARSER_PACKAGE);
 233               clear_args ();
 234               return (EXIT_FAILURE);
 235             }
 236           args_info->sort_given = 1;
 237           sort_group_counter += 1;
 238         break;
 239
 240         case 'R':       /* Process directories recursively.  */
 241           if (args_info->recursive_given)
 242             {
 243               fprintf (stderr, "%s: `--recursive' (`-R') option given more than once\n", CMDLINE_PARSER_PACKAGE);
 244               clear_args ();
 245               return (EXIT_FAILURE);
 246             }
 247           args_info->recursive_given = 1;
 248           args_info->recursive_flag = !(args_info->recursive_flag);
 249           break;
 250
 251         case 'f':       /* Start in full screen mode.  */
 252           if (args_info->full_screen_given)
 253             {
 254               fprintf (stderr, "%s: `--full-screen' (`-f') option given more than once\n", CMDLINE_PARSER_PACKAGE);
 255               clear_args ();
 256               return (EXIT_FAILURE);
 257             }
 258           args_info->full_screen_given = 1;
 259           args_info->full_screen_flag = !(args_info->full_screen_flag);
 260           break;
 261
 262         case 'l':       /* Reduce the image to the window.  */
 263           if (args_info->scale_down_given)
 264             {
 265               fprintf (stderr, "%s: `--scale-down' (`-l') option given more than once\n", CMDLINE_PARSER_PACKAGE);
 266               clear_args ();
 267               return (EXIT_FAILURE);
 268             }
 269           args_info->scale_down_given = 1;
 270           args_info->scale_down_flag = !(args_info->scale_down_flag);
 271           break;
 272
 273         case 'M':       /* Maximize the image to the window.  */
 274           if (args_info->maximize_given)
 275             {
 276               fprintf (stderr, "%s: `--maximize' (`-M') option given more than once\n", CMDLINE_PARSER_PACKAGE);
 277               clear_args ();
 278               return (EXIT_FAILURE);
 279             }
 280           args_info->maximize_given = 1;
 281           args_info->maximize_flag = !(args_info->maximize_flag);
 282           break;
 283
 284         case 'm':       /* Make the image fit the window.  */
 285           if (args_info->make_fit_given)
 286             {
 287               fprintf (stderr, "%s: `--make-fit' (`-m') option given more than once\n", CMDLINE_PARSER_PACKAGE);
 288               clear_args ();
 289               return (EXIT_FAILURE);
 290             }
 291           args_info->make_fit_given = 1;
 292           args_info->make_fit_flag = !(args_info->make_fit_flag);
 293           break;
 294
 295         case 'z':       /* Zoom centered on pointer.  */
 296           if (args_info->zoom_pointer_given)
 297             {
 298               fprintf (stderr, "%s: `--zoom-pointer' (`-z') option given more than once\n", CMDLINE_PARSER_PACKAGE);
 299               clear_args ();
 300               return (EXIT_FAILURE);
 301             }
 302           args_info->zoom_pointer_given = 1;
 303           args_info->zoom_pointer_flag = !(args_info->zoom_pointer_flag);
 304           break;
 305
 306         case 't':       /* Enable dithering.  */
 307           if (args_info->dither_given)
 308             {
 309               fprintf (stderr, "%s: `--dither' (`-t') option given more than once\n", CMDLINE_PARSER_PACKAGE);
 310               clear_args ();
 311               return (EXIT_FAILURE);
 312             }
 313           args_info->dither_given = 1;
 314           args_info->dither_flag = !(args_info->dither_flag);
 315           break;
 316
 317         case 'F':       /* Try to load every file.  */
 318           if (args_info->force_load_given)
 319             {
 320               fprintf (stderr, "%s: `--force-load' (`-F') option given more than once\n", CMDLINE_PARSER_PACKAGE);
 321               clear_args ();
 322               return (EXIT_FAILURE);
 323             }
 324           args_info->force_load_given = 1;
 325           args_info->force_load_flag = !(args_info->force_load_flag);
 326           break;
 327
 328         case 'p':       /* Build Mipmaps.  */
 329           if (args_info->mipmap_given)
 330             {
 331               fprintf (stderr, "%s: `--mipmap' (`-p') option given more than once\n", CMDLINE_PARSER_PACKAGE);
 332               clear_args ();
 333               return (EXIT_FAILURE);
 334             }
 335           args_info->mipmap_given = 1;
 336           args_info->mipmap_flag = !(args_info->mipmap_flag);
 337           break;
 338
 339         case 'n':       /* Make mnemonics for images menus.  */
 340           if (args_info->mnemonics_given)
 341             {
 342               fprintf (stderr, "%s: `--mnemonics' (`-n') option given more than once\n", CMDLINE_PARSER_PACKAGE);
 343               clear_args ();
 344               return (EXIT_FAILURE);
 345             }
 346           args_info->mnemonics_given = 1;
 347           args_info->mnemonics_flag = !(args_info->mnemonics_flag);
 348           break;
 349
 350         case 'w':       /* Start the slide show immediately.  */
 351           if (args_info->slide_show_given)
 352             {
 353               fprintf (stderr, "%s: `--slide-show' (`-w') option given more than once\n", CMDLINE_PARSER_PACKAGE);
 354               clear_args ();
 355               return (EXIT_FAILURE);
 356             }
 357           args_info->slide_show_given = 1;
 358           args_info->slide_show_flag = !(args_info->slide_show_flag);
 359           break;
 360
 361         case 'L':       /* Make the slide show loop at the end.  */
 362           if (args_info->loop_given)
 363             {
 364               fprintf (stderr, "%s: `--loop' (`-L') option given more than once\n", CMDLINE_PARSER_PACKAGE);
 365               clear_args ();
 366               return (EXIT_FAILURE);
 367             }
 368           args_info->loop_given = 1;
 369           args_info->loop_flag = !(args_info->loop_flag);
 370           break;
 371
 372         case '1':       /* Keep only one image in memory.  */
 373           if (args_info->one_image_given)
 374             {
 375               fprintf (stderr, "%s: `--one-image' (`-1') option given more than once\n", CMDLINE_PARSER_PACKAGE);
 376               clear_args ();
 377               return (EXIT_FAILURE);
 378             }
 379           args_info->one_image_given = 1;
 380           args_info->one_image_flag = !(args_info->one_image_flag);
 381           break;
 382
 383         case '0':       /* Read null-terminated filenames.  */
 384           if (args_info->null_given)
 385             {
 386               fprintf (stderr, "%s: `--null' (`-0') option given more than once\n", CMDLINE_PARSER_PACKAGE);
 387               clear_args ();
 388               return (EXIT_FAILURE);
 389             }
 390           args_info->null_given = 1;
 391           args_info->null_flag = !(args_info->null_flag);
 392           break;
 393
 394         case 'e':       /* Build images menu at startup.  */
 395           if (args_info->build_menus_given)
 396             {
 397               fprintf (stderr, "%s: `--build-menus' (`-e') option given more than once\n", CMDLINE_PARSER_PACKAGE);
 398               clear_args ();
 399               return (EXIT_FAILURE);
 400             }
 401           args_info->build_menus_given = 1;
 402           args_info->build_menus_flag = !(args_info->build_menus_flag);
 403           break;
 404
 405         case 'b':       /* Display the menu bar.  */
 406           if (args_info->menu_given)
 407             {
 408               fprintf (stderr, "%s: `--menu' (`-b') option given more than once\n", CMDLINE_PARSER_PACKAGE);
 409               clear_args ();
 410               return (EXIT_FAILURE);
 411             }
 412           args_info->menu_given = 1;
 413           args_info->menu_flag = !(args_info->menu_flag);
 414           break;
 415
 416         case 'i':       /* Show infos about displayed image.  */
 417           if (args_info->info_given)
 418             {
 419               fprintf (stderr, "%s: `--info' (`-i') option given more than once\n", CMDLINE_PARSER_PACKAGE);
 420               clear_args ();
 421               return (EXIT_FAILURE);
 422             }
 423           args_info->info_given = 1;
 424           args_info->info_flag = !(args_info->info_flag);
 425           break;
 426
 427         case 'o':       /* Display scrollbars.  */
 428           if (args_info->scrollbars_given)
 429             {
 430               fprintf (stderr, "%s: `--scrollbars' (`-o') option given more than once\n", CMDLINE_PARSER_PACKAGE);
 431               clear_args ();
 432               return (EXIT_FAILURE);
 433             }
 434           args_info->scrollbars_given = 1;
 435           args_info->scrollbars_flag = !(args_info->scrollbars_flag);
 436           break;
 437
 438         case 'g':       /* Load ~/.glivrc.  */
 439           if (args_info->glivrc_given)
 440             {
 441               fprintf (stderr, "%s: `--glivrc' (`-g') option given more than once\n", CMDLINE_PARSER_PACKAGE);
 442               clear_args ();
 443               return (EXIT_FAILURE);
 444             }
 445           args_info->glivrc_given = 1;
 446           args_info->glivrc_flag = !(args_info->glivrc_flag);
 447           break;
 448
 449         case 'c':       /* Alpha checks in the background.  */
 450           if (args_info->alpha_checks_given)
 451             {
 452               fprintf (stderr, "%s: `--alpha-checks' (`-c') option given more than once\n", CMDLINE_PARSER_PACKAGE);
 453               clear_args ();
 454               return (EXIT_FAILURE);
 455             }
 456           args_info->alpha_checks_given = 1;
 457           args_info->alpha_checks_flag = !(args_info->alpha_checks_flag);
 458           break;
 459
 460         case 'T':       /* Show thumbnails in images menus.  */
 461           if (args_info->thumbnails_given)
 462             {
 463               fprintf (stderr, "%s: `--thumbnails' (`-T') option given more than once\n", CMDLINE_PARSER_PACKAGE);
 464               clear_args ();
 465               return (EXIT_FAILURE);
 466             }
 467           args_info->thumbnails_given = 1;
 468           args_info->thumbnails_flag = !(args_info->thumbnails_flag);
 469           break;
 470
 471         case 'W':       /* Automatic window resizing.  */
 472           if (args_info->resize_win_given)
 473             {
 474               fprintf (stderr, "%s: `--resize-win' (`-W') option given more than once\n", CMDLINE_PARSER_PACKAGE);
 475               clear_args ();
 476               return (EXIT_FAILURE);
 477             }
 478           args_info->resize_win_given = 1;
 479           args_info->resize_win_flag = !(args_info->resize_win_flag);
 480           break;
 481
 482         case 'd':       /* Delay before hiding the cursor.  */
 483           if (args_info->delay_given)
 484             {
 485               fprintf (stderr, "%s: `--delay' (`-d') option given more than once\n", CMDLINE_PARSER_PACKAGE);
 486               clear_args ();
 487               return (EXIT_FAILURE);
 488             }
 489           args_info->delay_given = 1;
 490           args_info->delay_arg = strtol (optarg,&stop_char,0);
 491           break;
 492
 493         case 'u':       /* Length of history.  */
 494           if (args_info->history_given)
 495             {
 496               fprintf (stderr, "%s: `--history' (`-u') option given more than once\n", CMDLINE_PARSER_PACKAGE);
 497               clear_args ();
 498               return (EXIT_FAILURE);
 499             }
 500           args_info->history_given = 1;
 501           args_info->history_arg = strtol (optarg,&stop_char,0);
 502           break;
 503
 504         case 'a':       /* Delay between each image.  */
 505           if (args_info->duration_given)
 506             {
 507               fprintf (stderr, "%s: `--duration' (`-a') option given more than once\n", CMDLINE_PARSER_PACKAGE);
 508               clear_args ();
 509               return (EXIT_FAILURE);
 510             }
 511           args_info->duration_given = 1;
 512           args_info->duration_arg = strtol (optarg,&stop_char,0);
 513           break;
 514
 515         case 'P':       /* Maximum framerate.  */
 516           if (args_info->fps_given)
 517             {
 518               fprintf (stderr, "%s: `--fps' (`-P') option given more than once\n", CMDLINE_PARSER_PACKAGE);
 519               clear_args ();
 520               return (EXIT_FAILURE);
 521             }
 522           args_info->fps_given = 1;
 523           args_info->fps_arg = strtol (optarg,&stop_char,0);
 524           break;
 525
 526
 527         case 0: /* Long option with no short option */
 528
 529         case '?':       /* Invalid option.  */
 530           /* `getopt_long' already printed an error message.  */
 531           return (EXIT_FAILURE);
 532
 533         default:        /* bug: option not considered.  */
 534           fprintf (stderr, "%s: option unknown: %c\n", CMDLINE_PARSER_PACKAGE, c);
 535           abort ();
 536         } /* switch */
 537     } /* while */
 538
 539   if ( sort_group_counter > 1)
 540     {
 541       fprintf (stderr, "%s: %d options of group sort were given. At most one is required\n", CMDLINE_PARSER_PACKAGE, sort_group_counter);
 542       missing_required_options = 1;
 543     }
 544
 545
 546   if ( missing_required_options )
 547     return (EXIT_FAILURE);
 548
 549   if (optind < argc)
 550     {
 551       int i = 0 ;
 552
 553       args_info->inputs_num = argc - optind ;
 554       args_info->inputs =
 555         (char **)(malloc ((args_info->inputs_num)*sizeof(char *))) ;
 556       while (optind < argc)
 557         args_info->inputs[ i++ ] = gengetopt_strdup (argv[optind++]) ;
 558     }
 559
 560   return 0;
 561 }