/* Handle command line arguments. Copyright (C) 2009-2021 Free Software Foundation, Inc. Written by: Slava Zanko , 2009. Andrew Borodin , 2011, 2012. This file is part of the Midnight Commander. The Midnight Commander 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 3 of the License, or (at your option) any later version. The Midnight Commander 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, see . */ #include #include #include #include "lib/global.h" #include "lib/tty/tty.h" #include "lib/strutil.h" #include "lib/vfs/vfs.h" #include "lib/util.h" /* x_basename() */ #ifdef ENABLE_VFS_SMB #include "src/vfs/smbfs/smbfs.h" /* smbfs_set_debugf() */ #endif #include "src/textconf.h" #include "src/args.h" /*** external variables **************************************************************************/ /*** global variables ****************************************************************************/ /* If true, assume we are running on an xterm terminal */ gboolean mc_args__force_xterm = FALSE; gboolean mc_args__nomouse = FALSE; /* Force colors, only used by Slang */ gboolean mc_args__force_colors = FALSE; /* Don't load keymap from file and use default one */ gboolean mc_args__nokeymap = FALSE; char *mc_args__last_wd_file = NULL; /* when enabled NETCODE, use folowing file as logfile */ char *mc_args__netfs_logfile = NULL; /* keymap file */ char *mc_args__keymap_file = NULL; /* Debug level */ #ifdef ENABLE_VFS_SMB int mc_args__debug_level = 0; #endif void *mc_run_param0 = NULL; char *mc_run_param1 = NULL; /*** file scope macro definitions ****************************************************************/ /*** file scope type declarations ****************************************************************/ /*** file scope variables ************************************************************************/ /* If true, show version info and exit */ static gboolean mc_args__show_version = FALSE; /* forward declarations */ static gboolean parse_mc_e_argument (const gchar * option_name, const gchar * value, gpointer data, GError ** mcerror); static gboolean parse_mc_v_argument (const gchar * option_name, const gchar * value, gpointer data, GError ** mcerror); static GOptionContext *context; #ifdef ENABLE_SUBSHELL static gboolean mc_args__nouse_subshell = FALSE; #endif /* ENABLE_SUBSHELL */ static gboolean mc_args__show_datadirs = FALSE; static gboolean mc_args__show_datadirs_extended = FALSE; #ifdef ENABLE_CONFIGURE_ARGS static gboolean mc_args__show_configure_opts = FALSE; #endif static GOptionGroup *main_group; static const GOptionEntry argument_main_table[] = { /* *INDENT-OFF* */ /* generic options */ { "version", 'V', G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_NONE, &mc_args__show_version, N_("Displays the current version"), NULL }, /* options for wrappers */ { "datadir", 'f', G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_NONE, &mc_args__show_datadirs, N_("Print data directory"), NULL }, /* show extended information about used data directories */ { "datadir-info", 'F', G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_NONE, &mc_args__show_datadirs_extended, N_("Print extended info about used data directories"), NULL }, #ifdef ENABLE_CONFIGURE_ARGS /* show configure options */ { "configure-options", '\0', G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_NONE, &mc_args__show_configure_opts, N_("Print configure options"), NULL }, #endif { "printwd", 'P', G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_STRING, &mc_args__last_wd_file, N_("Print last working directory to specified file"), N_("") }, #ifdef ENABLE_SUBSHELL { "subshell", 'U', G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_NONE, &mc_global.tty.use_subshell, N_("Enables subshell support (default)"), NULL }, { "nosubshell", 'u', G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_NONE, &mc_args__nouse_subshell, N_("Disables subshell support"), NULL }, #endif /* debug options */ #ifdef ENABLE_VFS_FTP { "ftplog", 'l', G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_STRING, &mc_args__netfs_logfile, N_("Log ftp dialog to specified file"), N_("") }, #endif /* ENABLE_VFS_FTP */ #ifdef ENABLE_VFS_SMB { "debuglevel", 'D', G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_INT, &mc_args__debug_level, N_("Set debug level"), N_("") }, #endif /* ENABLE_VFS_SMB */ { /* handle arguments manually */ "view", 'v', G_OPTION_FLAG_IN_MAIN | G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, (gpointer) parse_mc_v_argument, N_("Launches the file viewer on a file"), N_("") }, { /* handle arguments manually */ "edit", 'e', G_OPTION_FLAG_IN_MAIN | G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, (gpointer) parse_mc_e_argument, N_("Edit files"), N_(" ...") }, G_OPTION_ENTRY_NULL /* *INDENT-ON* */ }; static GOptionGroup *terminal_group; #define ARGS_TERM_OPTIONS 0 static const GOptionEntry argument_terminal_table[] = { /* *INDENT-OFF* */ /* terminal options */ { "xterm", 'x', ARGS_TERM_OPTIONS, G_OPTION_ARG_NONE, &mc_args__force_xterm, N_("Forces xterm features"), NULL }, { "no-x11", 'X', ARGS_TERM_OPTIONS, G_OPTION_ARG_NONE, &mc_global.tty.disable_x11, N_("Disable X11 support"), NULL }, { "oldmouse", 'g', ARGS_TERM_OPTIONS, G_OPTION_ARG_NONE, &mc_global.tty.old_mouse, N_("Tries to use an old highlight mouse tracking"), NULL }, { "nomouse", 'd', ARGS_TERM_OPTIONS, G_OPTION_ARG_NONE, &mc_args__nomouse, N_("Disable mouse support in text version"), NULL }, #ifdef HAVE_SLANG { "termcap", 't', ARGS_TERM_OPTIONS, G_OPTION_ARG_NONE, &SLtt_Try_Termcap, N_("Tries to use termcap instead of terminfo"), NULL }, #endif { "slow", 's', ARGS_TERM_OPTIONS, G_OPTION_ARG_NONE, &mc_global.tty.slow_terminal, N_("To run on slow terminals"), NULL }, { "stickchars", 'a', ARGS_TERM_OPTIONS, G_OPTION_ARG_NONE, &mc_global.tty.ugly_line_drawing, N_("Use stickchars to draw"), NULL }, #ifdef HAVE_SLANG { "resetsoft", 'k', ARGS_TERM_OPTIONS, G_OPTION_ARG_NONE, &reset_hp_softkeys, N_("Resets soft keys on HP terminals"), NULL }, #endif { "keymap", 'K', ARGS_TERM_OPTIONS, G_OPTION_ARG_STRING, &mc_args__keymap_file, N_("Load definitions of key bindings from specified file"), N_("") }, { "nokeymap", '\0', ARGS_TERM_OPTIONS, G_OPTION_ARG_NONE, &mc_args__nokeymap, N_("Don't load definitions of key bindings from file, use defaults"), NULL }, G_OPTION_ENTRY_NULL /* *INDENT-ON* */ }; #undef ARGS_TERM_OPTIONS static GOptionGroup *color_group; #define ARGS_COLOR_OPTIONS 0 /* #define ARGS_COLOR_OPTIONS G_OPTION_FLAG_IN_MAIN */ static const GOptionEntry argument_color_table[] = { /* *INDENT-OFF* */ /* color options */ { "nocolor", 'b', ARGS_COLOR_OPTIONS, G_OPTION_ARG_NONE, &mc_global.tty.disable_colors, N_("Requests to run in black and white"), NULL }, { "color", 'c', ARGS_COLOR_OPTIONS, G_OPTION_ARG_NONE, &mc_args__force_colors, N_("Request to run in color mode"), NULL }, { "colors", 'C', ARGS_COLOR_OPTIONS, G_OPTION_ARG_STRING, &mc_global.tty.command_line_colors, N_("Specifies a color configuration"), N_("") }, { "skin", 'S', ARGS_COLOR_OPTIONS, G_OPTION_ARG_STRING, &mc_global.tty.skin, N_("Show mc with specified skin"), N_("") }, G_OPTION_ENTRY_NULL /* *INDENT-ON* */ }; #undef ARGS_COLOR_OPTIONS static gchar *mc_args__loc__colors_string = NULL; static gchar *mc_args__loc__footer_string = NULL; static gchar *mc_args__loc__header_string = NULL; static gchar *mc_args__loc__usage_string = NULL; /* --------------------------------------------------------------------------------------------- */ /*** file scope functions ************************************************************************/ /* --------------------------------------------------------------------------------------------- */ static void mc_args_clean_temp_help_strings (void) { MC_PTR_FREE (mc_args__loc__colors_string); MC_PTR_FREE (mc_args__loc__footer_string); MC_PTR_FREE (mc_args__loc__header_string); MC_PTR_FREE (mc_args__loc__usage_string); } /* --------------------------------------------------------------------------------------------- */ static GOptionGroup * mc_args_new_color_group (void) { /* *INDENT-OFF* */ /* FIXME: to preserve translations, lines should be split. */ mc_args__loc__colors_string = g_strdup_printf ("%s\n%s", /* TRANSLATORS: don't translate keywords */ _("--colors KEYWORD={FORE},{BACK},{ATTR}:KEYWORD2=...\n\n" "{FORE}, {BACK} and {ATTR} can be omitted, and the default will be used\n" "\n Keywords:\n" " Global: errors, disabled, reverse, gauge, header\n" " input, inputmark, inputunchanged, commandlinemark\n" " bbarhotkey, bbarbutton, statusbar\n" " File display: normal, selected, marked, markselect\n" " Dialog boxes: dnormal, dfocus, dhotnormal, dhotfocus, errdhotnormal,\n" " errdhotfocus\n" " Menus: menunormal, menuhot, menusel, menuhotsel, menuinactive\n" " Popup menus: pmenunormal, pmenusel, pmenutitle\n" " Editor: editnormal, editbold, editmarked, editwhitespace,\n" " editlinestate, editbg, editframe, editframeactive\n" " editframedrag\n" " Viewer: viewnormal,viewbold, viewunderline, viewselected\n" " Help: helpnormal, helpitalic, helpbold, helplink, helpslink\n"), /* TRANSLATORS: don't translate color names and attributes */ _("Standard Colors:\n" " black, gray, red, brightred, green, brightgreen, brown,\n" " yellow, blue, brightblue, magenta, brightmagenta, cyan,\n" " brightcyan, lightgray and white\n\n" "Extended colors, when 256 colors are available:\n" " color16 to color255, or rgb000 to rgb555 and gray0 to gray23\n\n" "Attributes:\n" " bold, italic, underline, reverse, blink; append more with '+'\n") ); /* *INDENT-ON* */ return g_option_group_new ("color", mc_args__loc__colors_string, _("Color options"), NULL, NULL); } /* --------------------------------------------------------------------------------------------- */ static gchar * mc_args_add_usage_info (void) { gchar *s; switch (mc_global.mc_run_mode) { case MC_RUN_EDITOR: s = g_strdup_printf ("%s\n", _("[+lineno] file1[:lineno] [file2[:lineno]...]")); break; case MC_RUN_VIEWER: s = g_strdup_printf ("%s\n", _("file")); break; #ifdef USE_DIFF_VIEW case MC_RUN_DIFFVIEWER: s = g_strdup_printf ("%s\n", _("file1 file2")); break; #endif /* USE_DIFF_VIEW */ case MC_RUN_FULL: default: s = g_strdup_printf ("%s\n", _("[this_dir] [other_panel_dir]")); } mc_args__loc__usage_string = s; return mc_args__loc__usage_string; } /* --------------------------------------------------------------------------------------------- */ static void mc_args_add_extended_info_to_help (void) { mc_args__loc__footer_string = g_strdup_printf ("%s", _ ("\n" "Please send any bug reports (including the output of 'mc -V')\n" "as tickets at www.midnight-commander.org\n")); mc_args__loc__header_string = g_strdup_printf (_("GNU Midnight Commander %s\n"), mc_global.mc_version); g_option_context_set_description (context, mc_args__loc__footer_string); g_option_context_set_summary (context, mc_args__loc__header_string); } /* --------------------------------------------------------------------------------------------- */ static gchar * mc_args__convert_help_to_syscharset (const gchar * charset, const gchar * error_message_str, const gchar * help_str) { GString *buffer; GIConv conv; gchar *full_help_str; buffer = g_string_new (""); conv = g_iconv_open (charset, "UTF-8"); full_help_str = g_strdup_printf ("%s\n\n%s\n", error_message_str, help_str); str_convert (conv, full_help_str, buffer); g_free (full_help_str); g_iconv_close (conv); return g_string_free (buffer, FALSE); } /* --------------------------------------------------------------------------------------------- */ static gboolean parse_mc_e_argument (const gchar * option_name, const gchar * value, gpointer data, GError ** mcerror) { (void) option_name; (void) value; (void) data; mc_return_val_if_error (mcerror, FALSE); mc_global.mc_run_mode = MC_RUN_EDITOR; return TRUE; } /* --------------------------------------------------------------------------------------------- */ static gboolean parse_mc_v_argument (const gchar * option_name, const gchar * value, gpointer data, GError ** mcerror) { (void) option_name; (void) value; (void) data; mc_return_val_if_error (mcerror, FALSE); mc_global.mc_run_mode = MC_RUN_VIEWER; return TRUE; } /* --------------------------------------------------------------------------------------------- */ /** * Create mcedit_arg_t object from vfs_path_t object and the line number. * * @param file_vpath file path object * @param line_number line number. If value is 0, try to restore saved position. * @return mcedit_arg_t object */ static mcedit_arg_t * mcedit_arg_vpath_new (vfs_path_t * file_vpath, long line_number) { mcedit_arg_t *arg; arg = g_new (mcedit_arg_t, 1); arg->file_vpath = file_vpath; arg->line_number = line_number; return arg; } /* --------------------------------------------------------------------------------------------- */ /** * Create mcedit_arg_t object from file name and the line number. * * @param file_name file name * @param line_number line number. If value is 0, try to restore saved position. * @return mcedit_arg_t object */ static mcedit_arg_t * mcedit_arg_new (const char *file_name, long line_number) { return mcedit_arg_vpath_new (vfs_path_from_str (file_name), line_number); } /* --------------------------------------------------------------------------------------------- */ /** * Get list of filenames (and line numbers) from command line, when mc called as editor * * @param argc count of all arguments * @param argv array of strings, contains arguments * @return list of mcedit_arg_t objects */ static GList * parse_mcedit_arguments (int argc, char **argv) { GList *flist = NULL; int i; long first_line_number = -1; for (i = 0; i < argc; i++) { char *tmp; char *end, *p; mcedit_arg_t *arg; tmp = argv[i]; /* * First, try to get line number as +lineno. */ if (*tmp == '+') { long lineno; char *error; lineno = strtol (tmp + 1, &error, 10); if (*error == '\0') { /* this is line number */ first_line_number = lineno; continue; } /* this is file name */ } /* * Check for filename:lineno, followed by an optional colon. * This format is used by many programs (especially compilers) * in error messages and warnings. It is supported so that * users can quickly copy and paste file locations. */ end = tmp + strlen (tmp); p = end; if (p > tmp && p[-1] == ':') p--; while (p > tmp && g_ascii_isdigit ((gchar) p[-1])) p--; if (tmp < p && p < end && p[-1] == ':') { char *fname; vfs_path_t *tmp_vpath, *fname_vpath; struct stat st; fname = g_strndup (tmp, p - 1 - tmp); tmp_vpath = vfs_path_from_str (tmp); fname_vpath = vfs_path_from_str (fname); /* * Check that the file before the colon actually exists. * If it doesn't exist, create new file. */ if (mc_stat (tmp_vpath, &st) == -1 && mc_stat (fname_vpath, &st) != -1) { arg = mcedit_arg_vpath_new (fname_vpath, atoi (p)); vfs_path_free (tmp_vpath, TRUE); } else { arg = mcedit_arg_vpath_new (tmp_vpath, 0); vfs_path_free (fname_vpath, TRUE); } g_free (fname); } else arg = mcedit_arg_new (tmp, 0); flist = g_list_prepend (flist, arg); } if (flist == NULL) flist = g_list_prepend (flist, mcedit_arg_new (NULL, 0)); else if (first_line_number != -1) { /* overwrite line number for first file */ GList *l; l = g_list_last (flist); ((mcedit_arg_t *) l->data)->line_number = first_line_number; } return flist; } /* --------------------------------------------------------------------------------------------- */ /*** public functions ****************************************************************************/ /* --------------------------------------------------------------------------------------------- */ void mc_setup_run_mode (char **argv) { const char *base; base = x_basename (argv[0]); if (strncmp (base, "mce", 3) == 0 || strcmp (base, "vi") == 0) { /* mce* or vi is link to mc */ mc_global.mc_run_mode = MC_RUN_EDITOR; } else if (strncmp (base, "mcv", 3) == 0 || strcmp (base, "view") == 0) { /* mcv* or view is link to mc */ mc_global.mc_run_mode = MC_RUN_VIEWER; } #ifdef USE_DIFF_VIEW else if (strncmp (base, "mcd", 3) == 0 || strcmp (base, "diff") == 0) { /* mcd* or diff is link to mc */ mc_global.mc_run_mode = MC_RUN_DIFFVIEWER; } #endif /* USE_DIFF_VIEW */ } gboolean mc_args_parse (int *argc, char ***argv, const char *translation_domain, GError ** mcerror) { const gchar *_system_codepage; gboolean ok = TRUE; mc_return_val_if_error (mcerror, FALSE); _system_codepage = str_detect_termencoding (); #ifdef ENABLE_NLS if (!str_isutf8 (_system_codepage)) bind_textdomain_codeset ("mc", "UTF-8"); #endif context = g_option_context_new (mc_args_add_usage_info ()); g_option_context_set_ignore_unknown_options (context, FALSE); mc_args_add_extended_info_to_help (); main_group = g_option_group_new ("main", _("Main options"), _("Main options"), NULL, NULL); g_option_group_add_entries (main_group, argument_main_table); g_option_context_set_main_group (context, main_group); g_option_group_set_translation_domain (main_group, translation_domain); terminal_group = g_option_group_new ("terminal", _("Terminal options"), _("Terminal options"), NULL, NULL); g_option_group_add_entries (terminal_group, argument_terminal_table); g_option_context_add_group (context, terminal_group); g_option_group_set_translation_domain (terminal_group, translation_domain); color_group = mc_args_new_color_group (); g_option_group_add_entries (color_group, argument_color_table); g_option_context_add_group (context, color_group); g_option_group_set_translation_domain (color_group, translation_domain); if (!g_option_context_parse (context, argc, argv, mcerror)) { if (*mcerror == NULL) mc_propagate_error (mcerror, 0, "%s\n", _("Arguments parse error!")); else { gchar *help_str; help_str = g_option_context_get_help (context, TRUE, NULL); if (str_isutf8 (_system_codepage)) mc_replace_error (mcerror, (*mcerror)->code, "%s\n\n%s\n", (*mcerror)->message, help_str); else { gchar *full_help_str; full_help_str = mc_args__convert_help_to_syscharset (_system_codepage, (*mcerror)->message, help_str); mc_replace_error (mcerror, (*mcerror)->code, "%s", full_help_str); g_free (full_help_str); } g_free (help_str); } ok = FALSE; } g_option_context_free (context); mc_args_clean_temp_help_strings (); #ifdef ENABLE_NLS if (!str_isutf8 (_system_codepage)) bind_textdomain_codeset ("mc", _system_codepage); #endif return ok; } /* --------------------------------------------------------------------------------------------- */ gboolean mc_args_show_info (void) { if (mc_args__show_version) { show_version (); return FALSE; } if (mc_args__show_datadirs) { printf ("%s (%s)\n", mc_global.sysconfig_dir, mc_global.share_data_dir); return FALSE; } if (mc_args__show_datadirs_extended) { show_datadirs_extended (); return FALSE; } #ifdef ENABLE_CONFIGURE_ARGS if (mc_args__show_configure_opts) { show_configure_options (); return FALSE; } #endif return TRUE; } /* --------------------------------------------------------------------------------------------- */ gboolean mc_setup_by_args (int argc, char **argv, GError ** mcerror) { char *tmp; mc_return_val_if_error (mcerror, FALSE); if (mc_args__force_colors) mc_global.tty.disable_colors = FALSE; #ifdef ENABLE_SUBSHELL if (mc_args__nouse_subshell) mc_global.tty.use_subshell = FALSE; #endif /* ENABLE_SUBSHELL */ #ifdef ENABLE_VFS_SMB if (mc_args__debug_level != 0) smbfs_set_debug (mc_args__debug_level); #endif /* ENABLE_VFS_SMB */ if (mc_args__netfs_logfile != NULL) { vfs_path_t *vpath; #ifdef ENABLE_VFS_FTP vpath = vfs_path_from_str ("ftp://"); mc_setctl (vpath, VFS_SETCTL_LOGFILE, (void *) mc_args__netfs_logfile); vfs_path_free (vpath, TRUE); #endif /* ENABLE_VFS_FTP */ #ifdef ENABLE_VFS_SMB vpath = vfs_path_from_str ("smb://"); mc_setctl (vpath, VFS_SETCTL_LOGFILE, (void *) mc_args__netfs_logfile); vfs_path_free (vpath, TRUE); #endif /* ENABLE_VFS_SMB */ (void) vpath; } tmp = (argc > 0) ? argv[1] : NULL; switch (mc_global.mc_run_mode) { case MC_RUN_EDITOR: mc_run_param0 = parse_mcedit_arguments (argc - 1, &argv[1]); break; case MC_RUN_VIEWER: if (tmp == NULL) { mc_propagate_error (mcerror, 0, "%s\n", _("No arguments given to the viewer.")); return FALSE; } mc_run_param0 = g_strdup (tmp); break; #ifdef USE_DIFF_VIEW case MC_RUN_DIFFVIEWER: if (argc < 3) { mc_propagate_error (mcerror, 0, "%s\n", _("Two files are required to envoke the diffviewer.")); return FALSE; } MC_FALLTHROUGH; #endif /* USE_DIFF_VIEW */ case MC_RUN_FULL: default: /* set the current dir and the other dir for filemanager, or two files for diff viewer */ if (tmp != NULL) { mc_run_param0 = g_strdup (tmp); tmp = (argc > 1) ? argv[2] : NULL; if (tmp != NULL) mc_run_param1 = g_strdup (tmp); } break; } return TRUE; } /* --------------------------------------------------------------------------------------------- */ /** * Free the mcedit_arg_t object. * * @param arg mcedit_arg_t object */ void mcedit_arg_free (mcedit_arg_t * arg) { vfs_path_free (arg->file_vpath, TRUE); g_free (arg); } /* --------------------------------------------------------------------------------------------- */