cmd-show-options.c

   1 /* $OpenBSD$ */
   2
   3 /*
   4  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
   5  *
   6  * Permission to use, copy, modify, and distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
  15  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
  16  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  */
  18
  19 #include <sys/types.h>
  20
  21 #include <stdlib.h>
  22 #include <string.h>
  23
  24 #include "tmux.h"
  25
  26 /*
  27  * Show options.
  28  */
  29
  30 int     cmd_show_options_exec(struct cmd *, struct cmd_ctx *);
  31
  32 const struct cmd_entry cmd_show_options_entry = {
  33         "show-options", "show",
  34         "gst:w", 0, 1,
  35         "[-gsw] [-t target-session|target-window] [option]",
  36         0,
  37         NULL,
  38         NULL,
  39         cmd_show_options_exec
  40 };
  41
  42 const struct cmd_entry cmd_show_window_options_entry = {
  43         "show-window-options", "showw",
  44         "gt:", 0, 1,
  45         "[-g] " CMD_TARGET_WINDOW_USAGE " [option]",
  46         0,
  47         NULL,
  48         NULL,
  49         cmd_show_options_exec
  50 };
  51
  52 int
  53 cmd_show_options_exec(struct cmd *self, struct cmd_ctx *ctx)
  54 {
  55         struct args                             *args = self->args;
  56         const struct options_table_entry        *table, *oe;
  57         struct session                          *s;
  58         struct winlink                          *wl;
  59         struct options                          *oo;
  60         struct options_entry                    *o;
  61         const char                              *optval;
  62
  63         if (args_has(self->args, 's')) {
  64                 oo = &global_options;
  65                 table = server_options_table;
  66         } else if (args_has(self->args, 'w') ||
  67             self->entry == &cmd_show_window_options_entry) {
  68                 table = window_options_table;
  69                 if (args_has(self->args, 'g'))
  70                         oo = &global_w_options;
  71                 else {
  72                         wl = cmd_find_window(ctx, args_get(args, 't'), NULL);
  73                         if (wl == NULL)
  74                                 return (-1);
  75                         oo = &wl->window->options;
  76                 }
  77         } else {
  78                 table = session_options_table;
  79                 if (args_has(self->args, 'g'))
  80                         oo = &global_s_options;
  81                 else {
  82                         s = cmd_find_session(ctx, args_get(args, 't'), 0);
  83                         if (s == NULL)
  84                                 return (-1);
  85                         oo = &s->options;
  86                 }
  87         }
  88
  89         if (args->argc != 0) {
  90                 table = oe = NULL;
  91                 if (options_table_find(args->argv[0], &table, &oe) != 0) {
  92                         ctx->error(ctx, "ambiguous option: %s", args->argv[0]);
  93                         return (-1);
  94                 }
  95                 if (oe == NULL) {
  96                         ctx->error(ctx, "unknown option: %s", args->argv[0]);
  97                         return (-1);
  98                 }
  99                 if ((o = options_find1(oo, oe->name)) == NULL)
 100                         return (0);
 101                 optval = options_table_print_entry(oe, o);
 102                 ctx->print(ctx, "%s %s", oe->name, optval);
 103         } else {
 104                 for (oe = table; oe->name != NULL; oe++) {
 105                         if ((o = options_find1(oo, oe->name)) == NULL)
 106                                 continue;
 107                         optval = options_table_print_entry(oe, o);
 108                         ctx->print(ctx, "%s %s", oe->name, optval);
 109                 }
 110         }
 111
 112         return (0);
 113 }