root/src/args.c

/*   */

DEFINITIONS

1. mc_args_clean_temp_help_strings
2. mc_args_new_color_group
3. mc_args_add_usage_info
4. mc_args_add_extended_info_to_help
5. mc_args__convert_help_to_syscharset
6. parse_mc_e_argument
7. parse_mc_v_argument
8. parse_mcedit_arguments
9. mc_setup_run_mode
10. mc_args_parse
11. mc_args_show_info
12. mc_setup_by_args

   1 /*
   2    Handle command line arguments.
   3 
   4    Copyright (C) 2009-2025
   5    Free Software Foundation, Inc.
   6 
   7    Written by:
   8    Slava Zanko <slavazanko@gmail.com>, 2009.
   9    Andrew Borodin <aborodin@vmail.ru>, 2011, 2012.
  10 
  11    This file is part of the Midnight Commander.
  12 
  13    The Midnight Commander is free software: you can redistribute it
  14    and/or modify it under the terms of the GNU General Public License as
  15    published by the Free Software Foundation, either version 3 of the License,
  16    or (at your option) any later version.
  17 
  18    The Midnight Commander is distributed in the hope that it will be useful,
  19    but WITHOUT ANY WARRANTY; without even the implied warranty of
  20    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21    GNU General Public License for more details.
  22 
  23    You should have received a copy of the GNU General Public License
  24    along with this program.  If not, see <https://www.gnu.org/licenses/>.
  25  */
  26 
  27 #include <config.h>
  28 #include <stdlib.h>
  29 #include <stdio.h>
  30 
  31 #include "lib/global.h"
  32 #include "lib/tty/tty.h"
  33 #include "lib/strutil.h"
  34 #include "lib/vfs/vfs.h"
  35 #include "lib/util.h"  // x_basename()
  36 
  37 #include "src/textconf.h"
  38 
  39 #ifdef USE_INTERNAL_EDIT
  40 #    include "editor/edit.h"  // edit_arg_t
  41 #endif
  42 
  43 #include "src/args.h"
  44 
  45 /*** external variables **************************************************************************/
  46 
  47 /*** global variables ****************************************************************************/
  48 
  49 /* If true, assume we are running on an xterm terminal */
  50 gboolean mc_args__force_xterm = FALSE;
  51 
  52 gboolean mc_args__nomouse = FALSE;
  53 
  54 /* Force colors, only used by Slang */
  55 gboolean mc_args__force_colors = FALSE;
  56 
  57 /* Don't load keymap from file and use default one */
  58 gboolean mc_args__nokeymap = FALSE;
  59 
  60 char *mc_args__last_wd_file = NULL;
  61 
  62 /* when enabled NETCODE, use following file as logfile */
  63 char *mc_args__netfs_logfile = NULL;
  64 
  65 /* keymap file */
  66 char *mc_args__keymap_file = NULL;
  67 
  68 void *mc_run_param0 = NULL;
  69 char *mc_run_param1 = NULL;
  70 
  71 /*** file scope macro definitions ****************************************************************/
  72 
  73 /*** file scope type declarations ****************************************************************/
  74 
  75 /*** forward declarations (file scope functions) *************************************************/
  76 
  77 static gboolean parse_mc_e_argument (const gchar *option_name, const gchar *value, gpointer data,
  78                                      GError **mcerror);
  79 static gboolean parse_mc_v_argument (const gchar *option_name, const gchar *value, gpointer data,
  80                                      GError **mcerror);
  81 
  82 /*** file scope variables ************************************************************************/
  83 
  84 /* If true, show version info and exit */
  85 static gboolean mc_args__show_version = FALSE;
  86 
  87 static GOptionContext *context;
  88 
  89 #ifdef ENABLE_SUBSHELL
  90 static gboolean mc_args__nouse_subshell = FALSE;
  91 #endif
  92 static gboolean mc_args__show_datadirs = FALSE;
  93 static gboolean mc_args__show_datadirs_extended = FALSE;
  94 #ifdef ENABLE_CONFIGURE_ARGS
  95 static gboolean mc_args__show_configure_opts = FALSE;
  96 #endif
  97 
  98 static GOptionGroup *main_group;
  99 
 100 static const GOptionEntry argument_main_table[] = {
 101     // generic options
 102     {
 103         "version",
 104         'V',
 105         G_OPTION_FLAG_IN_MAIN,
 106         G_OPTION_ARG_NONE,
 107         &mc_args__show_version,
 108         N_ ("Displays the current version"),
 109         NULL,
 110     },
 111 
 112     // options for wrappers
 113     {
 114         "datadir",
 115         'f',
 116         G_OPTION_FLAG_IN_MAIN,
 117         G_OPTION_ARG_NONE,
 118         &mc_args__show_datadirs,
 119         N_ ("Print data directory"),
 120         NULL,
 121     },
 122 
 123     // show extended information about used data directories
 124     {
 125         "datadir-info",
 126         'F',
 127         G_OPTION_FLAG_IN_MAIN,
 128         G_OPTION_ARG_NONE,
 129         &mc_args__show_datadirs_extended,
 130         N_ ("Print extended info about used data directories"),
 131         NULL,
 132     },
 133 
 134 #ifdef ENABLE_CONFIGURE_ARGS
 135     // show configure options
 136     {
 137         "configure-options",
 138         '\0',
 139         G_OPTION_FLAG_IN_MAIN,
 140         G_OPTION_ARG_NONE,
 141         &mc_args__show_configure_opts,
 142         N_ ("Print configure options"),
 143         NULL,
 144     },
 145 #endif
 146 
 147     {
 148         "printwd",
 149         'P',
 150         G_OPTION_FLAG_IN_MAIN,
 151         G_OPTION_ARG_STRING,
 152         &mc_args__last_wd_file,
 153         N_ ("Print last working directory to specified file"),
 154         N_ ("<file>"),
 155     },
 156 
 157 #ifdef ENABLE_SUBSHELL
 158     {
 159         "subshell",
 160         'U',
 161         G_OPTION_FLAG_IN_MAIN,
 162         G_OPTION_ARG_NONE,
 163         &mc_global.tty.use_subshell,
 164         N_ ("Enables subshell support (default)"),
 165         NULL,
 166     },
 167 
 168     {
 169         "nosubshell",
 170         'u',
 171         G_OPTION_FLAG_IN_MAIN,
 172         G_OPTION_ARG_NONE,
 173         &mc_args__nouse_subshell,
 174         N_ ("Disables subshell support"),
 175         NULL,
 176     },
 177 #endif
 178 
 179 // debug options
 180 #ifdef ENABLE_VFS_FTP
 181     {
 182         "ftplog",
 183         'l',
 184         G_OPTION_FLAG_IN_MAIN,
 185         G_OPTION_ARG_STRING,
 186         &mc_args__netfs_logfile,
 187         N_ ("Log ftp dialog to specified file"),
 188         N_ ("<file>"),
 189     },
 190 #endif
 191 
 192     {
 193         // handle arguments manually
 194         "view",
 195         'v',
 196         G_OPTION_FLAG_IN_MAIN | G_OPTION_FLAG_NO_ARG,
 197         G_OPTION_ARG_CALLBACK,
 198         (gpointer) parse_mc_v_argument,
 199         N_ ("Launches the file viewer on a file"),
 200         N_ ("<file>"),
 201     },
 202 
 203     {
 204         // handle arguments manually
 205         "edit",
 206         'e',
 207         G_OPTION_FLAG_IN_MAIN | G_OPTION_FLAG_NO_ARG,
 208         G_OPTION_ARG_CALLBACK,
 209         (gpointer) parse_mc_e_argument,
 210         N_ ("Edit files"),
 211         N_ ("<file> ..."),
 212     },
 213 
 214     G_OPTION_ENTRY_NULL,
 215 };
 216 
 217 static GOptionGroup *terminal_group;
 218 #define ARGS_TERM_OPTIONS 0
 219 static const GOptionEntry argument_terminal_table[] = {
 220     // terminal options
 221     {
 222         "xterm",
 223         'x',
 224         ARGS_TERM_OPTIONS,
 225         G_OPTION_ARG_NONE,
 226         &mc_args__force_xterm,
 227         N_ ("Forces xterm features"),
 228         NULL,
 229     },
 230 
 231     {
 232         "no-x11",
 233         'X',
 234         ARGS_TERM_OPTIONS,
 235         G_OPTION_ARG_NONE,
 236         &mc_global.tty.disable_x11,
 237         N_ ("Disable X11 support"),
 238         NULL,
 239     },
 240 
 241     {
 242         "oldmouse",
 243         'g',
 244         ARGS_TERM_OPTIONS,
 245         G_OPTION_ARG_NONE,
 246         &mc_global.tty.old_mouse,
 247         N_ ("Tries to use an old highlight mouse tracking"),
 248         NULL,
 249     },
 250 
 251     {
 252         "nomouse",
 253         'd',
 254         ARGS_TERM_OPTIONS,
 255         G_OPTION_ARG_NONE,
 256         &mc_args__nomouse,
 257         N_ ("Disable mouse support in text version"),
 258         NULL,
 259     },
 260 
 261 #ifdef HAVE_SLANG
 262     { "termcap", 't', ARGS_TERM_OPTIONS, G_OPTION_ARG_NONE, &SLtt_Try_Termcap,
 263       N_ ("Tries to use termcap instead of terminfo"), NULL },
 264 #endif
 265 
 266     {
 267         "slow",
 268         's',
 269         ARGS_TERM_OPTIONS,
 270         G_OPTION_ARG_NONE,
 271         &mc_global.tty.slow_terminal,
 272         N_ ("To run on slow terminals"),
 273         NULL,
 274     },
 275 
 276     {
 277         "stickchars",
 278         'a',
 279         ARGS_TERM_OPTIONS,
 280         G_OPTION_ARG_NONE,
 281         &mc_global.tty.ugly_line_drawing,
 282         N_ ("Use stickchars to draw"),
 283         NULL,
 284     },
 285 
 286 #ifdef HAVE_SLANG
 287     { "resetsoft", 'k', ARGS_TERM_OPTIONS, G_OPTION_ARG_NONE, &reset_hp_softkeys,
 288       N_ ("Resets soft keys on HP terminals"), NULL },
 289 #endif
 290 
 291     {
 292         "keymap",
 293         'K',
 294         ARGS_TERM_OPTIONS,
 295         G_OPTION_ARG_STRING,
 296         &mc_args__keymap_file,
 297         N_ ("Load definitions of key bindings from specified file"),
 298         N_ ("<file>"),
 299     },
 300 
 301     {
 302         "nokeymap",
 303         '\0',
 304         ARGS_TERM_OPTIONS,
 305         G_OPTION_ARG_NONE,
 306         &mc_args__nokeymap,
 307         N_ ("Don't load definitions of key bindings from file, use defaults"),
 308         NULL,
 309     },
 310 
 311     G_OPTION_ENTRY_NULL,
 312 };
 313 
 314 #undef ARGS_TERM_OPTIONS
 315 
 316 static GOptionGroup *color_group;
 317 #define ARGS_COLOR_OPTIONS 0
 318 /* #define ARGS_COLOR_OPTIONS G_OPTION_FLAG_IN_MAIN */
 319 static const GOptionEntry argument_color_table[] = {
 320     // color options
 321     {
 322         "nocolor",
 323         'b',
 324         ARGS_COLOR_OPTIONS,
 325         G_OPTION_ARG_NONE,
 326         &mc_global.tty.disable_colors,
 327         N_ ("Requests to run in black and white"),
 328         NULL,
 329     },
 330 
 331     {
 332         "color",
 333         'c',
 334         ARGS_COLOR_OPTIONS,
 335         G_OPTION_ARG_NONE,
 336         &mc_args__force_colors,
 337         N_ ("Request to run in color mode"),
 338         NULL,
 339     },
 340 
 341     {
 342         "colors",
 343         'C',
 344         ARGS_COLOR_OPTIONS,
 345         G_OPTION_ARG_STRING,
 346         &mc_global.tty.command_line_colors,
 347         N_ ("Specifies a color configuration"),
 348         N_ ("<string>"),
 349     },
 350 
 351     {
 352         "skin",
 353         'S',
 354         ARGS_COLOR_OPTIONS,
 355         G_OPTION_ARG_STRING,
 356         &mc_global.tty.skin,
 357         N_ ("Show mc with specified skin"),
 358         N_ ("<string>"),
 359     },
 360 
 361     G_OPTION_ENTRY_NULL,
 362 };
 363 
 364 #undef ARGS_COLOR_OPTIONS
 365 
 366 static gchar *mc_args__loc__colors_string = NULL;
 367 static gchar *mc_args__loc__footer_string = NULL;
 368 static gchar *mc_args__loc__header_string = NULL;
 369 static gchar *mc_args__loc__usage_string = NULL;
 370 
 371 /* --------------------------------------------------------------------------------------------- */
 372 /*** file scope functions ************************************************************************/
 373 /* --------------------------------------------------------------------------------------------- */
 374 
 375 static void
 376 mc_args_clean_temp_help_strings (void)
     /*   */
 377 {
 378     MC_PTR_FREE (mc_args__loc__colors_string);
 379     MC_PTR_FREE (mc_args__loc__footer_string);
 380     MC_PTR_FREE (mc_args__loc__header_string);
 381     MC_PTR_FREE (mc_args__loc__usage_string);
 382 }
 383 
 384 /* --------------------------------------------------------------------------------------------- */
 385 
 386 static GOptionGroup *
 387 mc_args_new_color_group (void)
     /*   */
 388 {
 389     // FIXME: to preserve translations, lines should be split.
 390     mc_args__loc__colors_string = g_strdup_printf (
 391         "%s\n%s",
 392         // TRANSLATORS: don't translate keywords
 393         _ ("--colors KEYWORD={FORE},{BACK},{ATTR}:KEYWORD2=...\n\n"
 394            "{FORE}, {BACK} and {ATTR} can be omitted, and the default will be used\n"
 395            "\n Keywords:\n"
 396            "   Global:       errors, disabled, reverse, gauge, header\n"
 397            "                 input, inputmark, inputunchanged, commandlinemark\n"
 398            "                 bbarhotkey, bbarbutton, statusbar\n"
 399            "   File display: normal, selected, marked, markselect\n"
 400            "   Dialog boxes: dnormal, dfocus, dhotnormal, dhotfocus, errdhotnormal,\n"
 401            "                 errdhotfocus\n"
 402            "   Menus:        menunormal, menuhot, menusel, menuhotsel, menuinactive\n"
 403            "   Popup menus:  pmenunormal, pmenusel, pmenutitle\n"
 404            "   Editor:       editnormal, editbold, editmarked, editwhitespace, editnonprintable,\n"
 405            "                 editlinestate, editbg, editframe, editframeactive\n"
 406            "                 editframedrag\n"
 407            "   Viewer:       viewnormal,viewbold, viewunderline, viewselected\n"
 408            "   Help:         helpnormal, helpitalic, helpbold, helplink, helpslink\n"),
 409         // TRANSLATORS: don't translate color names and attributes
 410         _ ("Standard Colors:\n"
 411            "   black, gray, red, brightred, green, brightgreen, brown,\n"
 412            "   yellow, blue, brightblue, magenta, brightmagenta, cyan,\n"
 413            "   brightcyan, lightgray and white\n\n"
 414            "Extended colors, when 256 colors are available:\n"
 415            "   color16 to color255, or rgb000 to rgb555 and gray0 to gray23\n\n"
 416            "Attributes:\n"
 417            "   bold, italic, underline, reverse, blink; append more with '+'\n"));
 418 
 419     return g_option_group_new ("color", mc_args__loc__colors_string, _ ("Color options"), NULL,
 420                                NULL);
 421 }
 422 
 423 /* --------------------------------------------------------------------------------------------- */
 424 
 425 static gchar *
 426 mc_args_add_usage_info (void)
     /*   */
 427 {
 428     gchar *s;
 429 
 430     switch (mc_global.mc_run_mode)
 431     {
 432 #ifdef USE_INTERNAL_EDIT
 433     case MC_RUN_EDITOR:
 434         s = g_strdup_printf ("%s\n", _ ("[+lineno] file1[:lineno] [file2[:lineno]...]"));
 435         break;
 436 #endif
 437     case MC_RUN_VIEWER:
 438         s = g_strdup_printf ("%s\n", _ ("file"));
 439         break;
 440 #ifdef USE_DIFF_VIEW
 441     case MC_RUN_DIFFVIEWER:
 442         s = g_strdup_printf ("%s\n", _ ("file1 file2"));
 443         break;
 444 #endif
 445     case MC_RUN_FULL:
 446     default:
 447         s = g_strdup_printf ("%s\n", _ ("[this_dir] [other_panel_dir]"));
 448     }
 449 
 450     mc_args__loc__usage_string = s;
 451 
 452     return mc_args__loc__usage_string;
 453 }
 454 
 455 /* --------------------------------------------------------------------------------------------- */
 456 
 457 static void
 458 mc_args_add_extended_info_to_help (void)
     /*   */
 459 {
 460     mc_args__loc__footer_string =
 461         g_strdup_printf ("%s",
 462                          _ ("\n"
 463                             "Please send any bug reports (including the output of 'mc -V')\n"
 464                             "as tickets at www.midnight-commander.org\n"));
 465     mc_args__loc__header_string =
 466         g_strdup_printf (_ ("GNU Midnight Commander %s\n"), mc_global.mc_version);
 467 
 468     g_option_context_set_description (context, mc_args__loc__footer_string);
 469     g_option_context_set_summary (context, mc_args__loc__header_string);
 470 }
 471 
 472 /* --------------------------------------------------------------------------------------------- */
 473 
 474 static GString *
 475 mc_args__convert_help_to_syscharset (const gchar *charset, const gchar *error_message_str,
     /*   */
 476                                      const gchar *help_str)
 477 {
 478     GString *buffer;
 479     GIConv conv;
 480     gchar *full_help_str;
 481 
 482     buffer = g_string_new ("");
 483     conv = g_iconv_open (charset, "UTF-8");
 484     full_help_str = g_strdup_printf ("%s\n\n%s\n", error_message_str, help_str);
 485 
 486     str_convert (conv, full_help_str, buffer);
 487 
 488     g_free (full_help_str);
 489     g_iconv_close (conv);
 490 
 491     return buffer;
 492 }
 493 
 494 /* --------------------------------------------------------------------------------------------- */
 495 
 496 static gboolean
 497 parse_mc_e_argument (const gchar *option_name, const gchar *value, gpointer data, GError **mcerror)
     /*   */
 498 {
 499     (void) option_name;
 500     (void) value;
 501     (void) data;
 502 
 503     mc_return_val_if_error (mcerror, FALSE);
 504 
 505     mc_global.mc_run_mode = MC_RUN_EDITOR;
 506 
 507     return TRUE;
 508 }
 509 
 510 /* --------------------------------------------------------------------------------------------- */
 511 
 512 static gboolean
 513 parse_mc_v_argument (const gchar *option_name, const gchar *value, gpointer data, GError **mcerror)
     /*   */
 514 {
 515     (void) option_name;
 516     (void) value;
 517     (void) data;
 518 
 519     mc_return_val_if_error (mcerror, FALSE);
 520 
 521     mc_global.mc_run_mode = MC_RUN_VIEWER;
 522 
 523     return TRUE;
 524 }
 525 
 526 /* --------------------------------------------------------------------------------------------- */
 527 
 528 #ifdef USE_INTERNAL_EDIT
 529 /**
 530  * Get list of filenames (and line numbers) from command line, when mc called as editor
 531  *
 532  * @param argc count of all arguments
 533  * @param argv array of strings, contains arguments
 534  * @return list of edit_arg_t objects
 535  */
 536 
 537 static GList *
 538 parse_mcedit_arguments (int argc, char **argv)
     /*   */
 539 {
 540     GList *flist = NULL;
 541     int i;
 542     long first_line_number = -1;
 543 
 544     for (i = 0; i < argc; i++)
 545     {
 546         char *tmp;
 547         char *end, *p;
 548         edit_arg_t *arg;
 549 
 550         tmp = argv[i];
 551 
 552         /*
 553          * First, try to get line number as +lineno.
 554          */
 555         if (*tmp == '+')
 556         {
 557             long lineno;
 558             char *error;
 559 
 560             lineno = strtol (tmp + 1, &error, 10);
 561 
 562             if (*error == '\0')
 563             {
 564                 // this is line number
 565                 first_line_number = lineno;
 566                 continue;
 567             }
 568             // this is file name
 569         }
 570 
 571         /*
 572          * Check for filename:lineno, followed by an optional colon.
 573          * This format is used by many programs (especially compilers)
 574          * in error messages and warnings. It is supported so that
 575          * users can quickly copy and paste file locations.
 576          */
 577         end = tmp + strlen (tmp);
 578         p = end;
 579 
 580         if (p > tmp && p[-1] == ':')
 581             p--;
 582         while (p > tmp && g_ascii_isdigit ((gchar) p[-1]))
 583             p--;
 584 
 585         if (tmp < p && p < end && p[-1] == ':')
 586         {
 587             char *fname;
 588             vfs_path_t *tmp_vpath, *fname_vpath;
 589             struct stat st;
 590 
 591             fname = g_strndup (tmp, p - 1 - tmp);
 592             tmp_vpath = vfs_path_from_str (tmp);
 593             fname_vpath = vfs_path_from_str (fname);
 594 
 595             /*
 596              * Check that the file before the colon actually exists.
 597              * If it doesn't exist, create new file.
 598              */
 599             if (mc_stat (tmp_vpath, &st) == -1 && mc_stat (fname_vpath, &st) != -1)
 600             {
 601                 arg = edit_arg_vpath_new (fname_vpath, atoi (p));
 602                 vfs_path_free (tmp_vpath, TRUE);
 603             }
 604             else
 605             {
 606                 arg = edit_arg_vpath_new (tmp_vpath, 0);
 607                 vfs_path_free (fname_vpath, TRUE);
 608             }
 609 
 610             g_free (fname);
 611         }
 612         else
 613             arg = edit_arg_new (tmp, 0);
 614 
 615         flist = g_list_prepend (flist, arg);
 616     }
 617 
 618     if (flist == NULL)
 619         flist = g_list_prepend (flist, edit_arg_new (NULL, 0));
 620     else if (first_line_number != -1)
 621     {
 622         // overwrite line number for first file
 623         GList *l;
 624 
 625         l = g_list_last (flist);
 626         ((edit_arg_t *) l->data)->line_number = first_line_number;
 627     }
 628 
 629     return flist;
 630 }
 631 #endif
 632 
 633 /* --------------------------------------------------------------------------------------------- */
 634 /*** public functions ****************************************************************************/
 635 /* --------------------------------------------------------------------------------------------- */
 636 
 637 void
 638 mc_setup_run_mode (char **argv)
     /*   */
 639 {
 640     const char *base;
 641 
 642     base = x_basename (argv[0]);
 643 
 644     if (strncmp (base, "mcv", 3) == 0 || strcmp (base, "view") == 0)
 645     {
 646         // mcv* or view is link to mc
 647         mc_global.mc_run_mode = MC_RUN_VIEWER;
 648     }
 649 #ifdef USE_INTERNAL_EDIT
 650     else if (strncmp (base, "mce", 3) == 0 || strcmp (base, "vi") == 0)
 651     {
 652         // mce* or vi is link to mc
 653         mc_global.mc_run_mode = MC_RUN_EDITOR;
 654     }
 655 #endif
 656 #ifdef USE_DIFF_VIEW
 657     else if (strncmp (base, "mcd", 3) == 0 || strcmp (base, "diff") == 0)
 658     {
 659         // mcd* or diff is link to mc
 660         mc_global.mc_run_mode = MC_RUN_DIFFVIEWER;
 661     }
 662 #endif
 663 }
 664 
 665 /* --------------------------------------------------------------------------------------------- */
 666 
 667 gboolean
 668 mc_args_parse (int *argc, char ***argv, const char *translation_domain, GError **mcerror)
     /*   */
 669 {
 670     const gchar *_system_codepage;
 671     gboolean ok = TRUE;
 672 
 673     mc_return_val_if_error (mcerror, FALSE);
 674 
 675     _system_codepage = str_detect_termencoding ();
 676 
 677 #ifdef ENABLE_NLS
 678     if (!str_isutf8 (_system_codepage))
 679         bind_textdomain_codeset ("mc", "UTF-8");
 680 #endif
 681 
 682     context = g_option_context_new (mc_args_add_usage_info ());
 683 
 684     g_option_context_set_ignore_unknown_options (context, FALSE);
 685 
 686     mc_args_add_extended_info_to_help ();
 687 
 688     main_group = g_option_group_new ("main", _ ("Main options"), _ ("Main options"), NULL, NULL);
 689 
 690     g_option_group_add_entries (main_group, argument_main_table);
 691     g_option_context_set_main_group (context, main_group);
 692     g_option_group_set_translation_domain (main_group, translation_domain);
 693 
 694     terminal_group =
 695         g_option_group_new ("terminal", _ ("Terminal options"), _ ("Terminal options"), NULL, NULL);
 696 
 697     g_option_group_add_entries (terminal_group, argument_terminal_table);
 698     g_option_context_add_group (context, terminal_group);
 699     g_option_group_set_translation_domain (terminal_group, translation_domain);
 700 
 701     color_group = mc_args_new_color_group ();
 702 
 703     g_option_group_add_entries (color_group, argument_color_table);
 704     g_option_context_add_group (context, color_group);
 705     g_option_group_set_translation_domain (color_group, translation_domain);
 706 
 707     if (!g_option_context_parse (context, argc, argv, mcerror))
 708     {
 709         if (*mcerror == NULL)
 710             mc_propagate_error (mcerror, 0, "%s\n", _ ("Arguments parse error!"));
 711         else
 712         {
 713             gchar *help_str;
 714 
 715             help_str = g_option_context_get_help (context, TRUE, NULL);
 716 
 717             if (str_isutf8 (_system_codepage))
 718                 mc_replace_error (mcerror, (*mcerror)->code, "%s\n\n%s\n", (*mcerror)->message,
 719                                   help_str);
 720             else
 721             {
 722                 GString *full_help_str;
 723 
 724                 full_help_str = mc_args__convert_help_to_syscharset (_system_codepage,
 725                                                                      (*mcerror)->message, help_str);
 726                 mc_replace_error (mcerror, (*mcerror)->code, "%s", full_help_str->str);
 727                 g_string_free (full_help_str, TRUE);
 728             }
 729             g_free (help_str);
 730         }
 731 
 732         ok = FALSE;
 733     }
 734 
 735     g_option_context_free (context);
 736     mc_args_clean_temp_help_strings ();
 737 
 738 #ifdef ENABLE_NLS
 739     if (!str_isutf8 (_system_codepage))
 740         bind_textdomain_codeset ("mc", _system_codepage);
 741 #endif
 742 
 743     return ok;
 744 }
 745 
 746 /* --------------------------------------------------------------------------------------------- */
 747 
 748 gboolean
 749 mc_args_show_info (void)
     /*   */
 750 {
 751     if (mc_args__show_version)
 752     {
 753         show_version ();
 754         return FALSE;
 755     }
 756 
 757     if (mc_args__show_datadirs)
 758     {
 759         printf ("%s (%s)\n", mc_global.sysconfig_dir, mc_global.share_data_dir);
 760         return FALSE;
 761     }
 762 
 763     if (mc_args__show_datadirs_extended)
 764     {
 765         show_datadirs_extended ();
 766         return FALSE;
 767     }
 768 
 769 #ifdef ENABLE_CONFIGURE_ARGS
 770     if (mc_args__show_configure_opts)
 771     {
 772         show_configure_options ();
 773         return FALSE;
 774     }
 775 #endif
 776 
 777     return TRUE;
 778 }
 779 
 780 /* --------------------------------------------------------------------------------------------- */
 781 
 782 gboolean
 783 mc_setup_by_args (int argc, char **argv, GError **mcerror)
     /*   */
 784 {
 785     char *tmp;
 786 
 787     mc_return_val_if_error (mcerror, FALSE);
 788 
 789     if (mc_args__force_colors)
 790         mc_global.tty.disable_colors = FALSE;
 791 
 792 #ifdef ENABLE_SUBSHELL
 793     if (mc_args__nouse_subshell)
 794         mc_global.tty.use_subshell = FALSE;
 795 #endif
 796 
 797 #ifdef ENABLE_VFS_FTP
 798     if (mc_args__netfs_logfile != NULL)
 799     {
 800         vfs_path_t *vpath;
 801 
 802         vpath = vfs_path_from_str ("ftp://");
 803         mc_setctl (vpath, VFS_SETCTL_LOGFILE, (void *) mc_args__netfs_logfile);
 804         vfs_path_free (vpath, TRUE);
 805     }
 806 #endif
 807 
 808     tmp = (argc > 0) ? argv[1] : NULL;
 809 
 810     switch (mc_global.mc_run_mode)
 811     {
 812     case MC_RUN_EDITOR:
 813 #ifdef USE_INTERNAL_EDIT
 814         mc_run_param0 = parse_mcedit_arguments (argc - 1, &argv[1]);
 815         break;
 816 #else
 817         mc_propagate_error (mcerror, 0, "%s\n", _ ("MC is built without builtin editor."));
 818         return FALSE;
 819 #endif
 820 
 821     case MC_RUN_VIEWER:
 822         if (tmp == NULL)
 823         {
 824             mc_propagate_error (mcerror, 0, "%s\n", _ ("No arguments given to the viewer."));
 825             return FALSE;
 826         }
 827 
 828         mc_run_param0 = g_strdup (tmp);
 829         break;
 830 
 831 #ifdef USE_DIFF_VIEW
 832     case MC_RUN_DIFFVIEWER:
 833         if (argc < 3)
 834         {
 835             mc_propagate_error (mcerror, 0, "%s\n",
 836                                 _ ("Two files are required to invoke the diffviewer."));
 837             return FALSE;
 838         }
 839         MC_FALLTHROUGH;
 840 #endif
 841 
 842     case MC_RUN_FULL:
 843     default:
 844         /* set the current dir and the other dir for filemanager,
 845            or two files for diff viewer */
 846         if (tmp != NULL)
 847         {
 848             mc_run_param0 = g_strdup (tmp);
 849             tmp = (argc > 1) ? argv[2] : NULL;
 850             if (tmp != NULL)
 851                 mc_run_param1 = g_strdup (tmp);
 852         }
 853         break;
 854     }
 855 
 856     return TRUE;
 857 }
 858 
 859 /* --------------------------------------------------------------------------------------------- */

/*   */