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-rw-r--r--libcons/opts-std-startup.c229
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diff --git a/libcons/opts-std-startup.c b/libcons/opts-std-startup.c
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+/* opts-std-startup.c - Standard startup-time command line parser.
+ Copyright (C) 1995,96,97,98,99,2001,02,2003,2004,2005 Free Software Foundation, Inc.
+ Written by Miles Bader <miles@gnu.org> and Marcus Brinkmann.
+
+ This file is part of the GNU Hurd.
+
+ The GNU Hurd 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, or (at
+ your option) any later version.
+
+ The GNU Hurd 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 the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include <stdio.h>
+#include <argp.h>
+#include <string.h>
+
+#include "priv.h"
+
+
+/* Option keys for long-only options in argp_option. */
+#define OPT_SLACK 600 /* --slack */
+#define OPT_JUMP_DOWN_ON_INPUT 601 /* --jump-down-on-input */
+#define OPT_NO_JUMP_DOWN_ON_INPUT 602 /* --no-jump-down-on-input */
+#define OPT_JUMP_DOWN_ON_OUTPUT 603 /* --jump-down-on-output */
+#define OPT_NO_JUMP_DOWN_ON_OUTPUT 604 /* --no-jump-down-on-output */
+#define OPT_VISUAL_BELL 605 /* --visual-bell */
+#define OPT_AUDIBLE_BELL 606 /* --audible-bell */
+#define OPT_MOUSE_SHOW 607 /* --mouse-show-on */
+#define OPT_MOUSE_HIDE 608 /* --mouse-hide-on */
+#define OPT_MOUSE_SENS 609 /* --mouse-sensitivity */
+
+/* The number of records the client is allowed to lag behind the server. */
+#define DEFAULT_SLACK 100
+#define DEFAULT_SLACK_STRING STRINGIFY(DEFAULT_SLACK)
+#define STRINGIFY(x) STRINGIFY_1(x)
+#define STRINGIFY_1(x) #x
+
+/* The mouse sensitivity. */
+#define DEFAULT_MOUSE_SENS 3.0
+#define DEFAULT_MOUSE_SENS_STRING STRINGIFY(DEFAULT_MOUSE_SENS)
+
+/* Number of records the client is allowed to lag behind the
+ server. */
+int _cons_slack = DEFAULT_SLACK;
+
+/* If we jump down on input. */
+int _cons_jump_down_on_input = 1;
+
+/* If we jump down on output. */
+int _cons_jump_down_on_output;
+
+/* The filename of the console server. */
+char *cons_file;
+
+/* The type of bell used for the visual bell. */
+bell_type_t _cons_visual_bell = BELL_VISUAL;
+
+/* The type of bell used for the audible bell. */
+bell_type_t _cons_audible_bell = BELL_AUDIBLE;
+
+/* The type of events that will make the mouse cursor visible. */
+int _cons_show_mouse = CONS_EVT_MOUSE_MOVE;
+
+/* The type of events that will hide the mouse cursor. */
+int _cons_hide_mouse = CONS_EVT_KEYPRESS;
+
+/* The mouse sensitivity. */
+float _cons_mouse_sens = DEFAULT_MOUSE_SENS;
+
+static const struct argp_option
+startup_options[] =
+{
+ { "slack", OPT_SLACK, "RECORDS", 0, "Max number of records the client is"
+ " allowed to lag behind the server (default " DEFAULT_SLACK_STRING ")" },
+ { "jump-down-on-input", OPT_JUMP_DOWN_ON_INPUT, NULL, 0,
+ "End scrollback when something is entered (default)" },
+ { "no-jump-down-on-input", OPT_NO_JUMP_DOWN_ON_INPUT, NULL, 0,
+ "End scrollback when something is entered" },
+ { "jump-down-on-output", OPT_JUMP_DOWN_ON_OUTPUT, NULL, 0,
+ "End scrollback when something is printed" },
+ { "no-jump-down-on-output", OPT_NO_JUMP_DOWN_ON_OUTPUT, NULL, 0,
+ "End scrollback when something is printed (default)" },
+ { "visual-bell", OPT_VISUAL_BELL, "BELL", 0, "Visual bell: on (default), "
+ "off, visual, audible" },
+ { "audible-bell", OPT_AUDIBLE_BELL, "BELL", 0, "Audible bell: on (default), "
+ "off, visual, audible" },
+ { "mouse-show-on", OPT_MOUSE_SHOW, "EVENTS", 0, "One or more of the events"
+ " mousemove, mousebutton, keypress, output (default is mousemove), if one"
+ " of these events occur the mouse cursor will be made visible" },
+ { "mouse-hide-on", OPT_MOUSE_HIDE, "EVENTS", 0, "One or more of the events"
+ " mousemove, mousebutton, keypress, output (default is keypress), if one"
+ " of these events occur the mouse cursor will be hidden " },
+ { "mouse-sensitivity", OPT_MOUSE_SENS, "SENSITIVITY", 0, "The mouse"
+ " sensitivity (default " DEFAULT_MOUSE_SENS_STRING "). A lower value"
+ " means more sensitive" },
+ { 0, 0 }
+};
+
+static const char args_doc[] = "CONSOLE";
+static const char doc[] = "A console client.";
+
+
+static error_t
+parse_startup_opt (int opt, char *arg, struct argp_state *state)
+{
+ int parse_events (char *events)
+ {
+ char *evtstr = strdupa (events);
+ char *tok = strtok (evtstr, ",");
+ int evmask = 0;
+
+ while (tok)
+ {
+ if (!strcasecmp ("mousemove", tok))
+ evmask |= CONS_EVT_MOUSE_MOVE;
+ else if (!strcasecmp ("mousebutton", tok))
+ evmask |= CONS_EVT_MOUSE_BUTTON;
+ else if (!strcasecmp ("keypress", tok))
+ evmask |= CONS_EVT_KEYPRESS;
+ else if (!strcasecmp ("output", tok))
+ evmask |= CONS_EVT_OUTPUT;
+ else
+ argp_error (state, "The event can be one of: MOUSEMOVE,"
+ " MOUSEBUTTON, KEYPRESS or OUTPUT");
+ tok = strtok (NULL, ",");
+ }
+ return evmask;
+ }
+
+ switch (opt)
+ {
+ case OPT_SLACK:
+ _cons_slack = atoi (arg);
+ break;
+
+ case OPT_JUMP_DOWN_ON_INPUT:
+ _cons_jump_down_on_input = 1;
+ break;
+
+ case OPT_NO_JUMP_DOWN_ON_INPUT:
+ _cons_jump_down_on_input = 0;
+ break;
+
+ case OPT_JUMP_DOWN_ON_OUTPUT:
+ _cons_jump_down_on_output = 1;
+ break;
+
+ case OPT_NO_JUMP_DOWN_ON_OUTPUT:
+ _cons_jump_down_on_output = 0;
+ break;
+
+ case OPT_AUDIBLE_BELL:
+ if (!strcasecmp ("on", arg) || !strcasecmp ("audible", arg))
+ _cons_audible_bell = BELL_AUDIBLE;
+ else if (!strcasecmp ("off", arg))
+ _cons_audible_bell = BELL_OFF;
+ else if (!strcasecmp ("visual", arg))
+ _cons_audible_bell = BELL_VISUAL;
+ else
+ argp_error (state, "The audible bell can be one of: on, off, visual, "
+ "audible");
+ break;
+
+ case OPT_VISUAL_BELL:
+ if (!strcasecmp ("on", arg) || !strcasecmp ("visual", arg))
+ _cons_visual_bell = BELL_VISUAL;
+ else if (!strcasecmp ("off", arg))
+ _cons_visual_bell = BELL_OFF;
+ else if (!strcasecmp ("audible", arg))
+ _cons_visual_bell = BELL_AUDIBLE;
+ else
+ argp_error (state, "The visual bell can be one of: on, off, visual, "
+ "audible");
+ break;
+
+ case OPT_MOUSE_SHOW:
+ _cons_show_mouse = parse_events (arg);
+ break;
+
+ case OPT_MOUSE_HIDE:
+ _cons_hide_mouse = parse_events (arg);
+ break;
+
+ case OPT_MOUSE_SENS:
+ {
+ char *tail;
+
+ errno = 0;
+ _cons_mouse_sens = strtod (arg, &tail);
+ if (tail == NULL || tail == arg || *tail != '\0')
+ argp_error (state, "SENSITIVITY is not a number: %s", arg);
+ if (errno)
+ argp_error (state, "Overflow in argument SENSITIVITY %s", arg);
+ break;
+ }
+
+ case ARGP_KEY_ARG:
+ if (state->arg_num > 0)
+ /* Too many arguments. */
+ argp_error (state, "Too many non option arguments");
+ cons_file = arg;
+ break;
+
+ case ARGP_KEY_NO_ARGS:
+ argp_error (state, "Filename of console server missing");
+ break;
+
+ default:
+ return ARGP_ERR_UNKNOWN;
+ }
+
+ return 0;
+}
+
+/* An argp structure for the standard console client command line
+ arguments. */
+const struct argp
+cons_startup_argp =
+{
+ startup_options, parse_startup_opt, args_doc, doc
+};
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