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 enum cmd_retval  cmd_show_options_exec(struct cmd *, struct cmd_q *);
  31
  32 enum cmd_retval cmd_show_options_one(struct cmd *, struct cmd_q *,
  33                     struct options *, int);
  34 enum cmd_retval cmd_show_options_all(struct cmd *, struct cmd_q *,
  35                     const struct options_table_entry *, struct options *);
  36
  37 const struct cmd_entry cmd_show_options_entry = {
  38         "show-options", "show",
  39         "gqst:vw", 0, 1,
  40         "[-gqsvw] [-t target-session|target-window] [option]",
  41         0,
  42         NULL,
  43         NULL,
  44         cmd_show_options_exec
  45 };
  46
  47 const struct cmd_entry cmd_show_window_options_entry = {
  48         "show-window-options", "showw",
  49         "gvt:", 0, 1,
  50         "[-gv] " CMD_TARGET_WINDOW_USAGE " [option]",
  51         0,
  52         NULL,
  53         NULL,
  54         cmd_show_options_exec
  55 };
  56
  57 enum cmd_retval
  58 cmd_show_options_exec(struct cmd *self, struct cmd_q *cmdq)
  59 {
  60         struct args                             *args = self->args;
  61         struct session                          *s;
  62         struct winlink                          *wl;
  63         const struct options_table_entry        *table;
  64         struct options                          *oo;
  65         int                                      quiet;
  66
  67         if (args_has(self->args, 's')) {
  68                 oo = &global_options;
  69                 table = server_options_table;
  70         } else if (args_has(self->args, 'w') ||
  71             self->entry == &cmd_show_window_options_entry) {
  72                 table = window_options_table;
  73                 if (args_has(self->args, 'g'))
  74                         oo = &global_w_options;
  75                 else {
  76                         wl = cmd_find_window(cmdq, args_get(args, 't'), NULL);
  77                         if (wl == NULL)
  78                                 return (CMD_RETURN_ERROR);
  79                         oo = &wl->window->options;
  80                 }
  81         } else {
  82                 table = session_options_table;
  83                 if (args_has(self->args, 'g'))
  84                         oo = &global_s_options;
  85                 else {
  86                         s = cmd_find_session(cmdq, args_get(args, 't'), 0);
  87                         if (s == NULL)
  88                                 return (CMD_RETURN_ERROR);
  89                         oo = &s->options;
  90                 }
  91         }
  92
  93         quiet = args_has(self->args, 'q');
  94         if (args->argc == 0)
  95                 return (cmd_show_options_all(self, cmdq, table, oo));
  96         else
  97                 return (cmd_show_options_one(self, cmdq, oo, quiet));
  98 }
  99
 100 enum cmd_retval
 101 cmd_show_options_one(struct cmd *self, struct cmd_q *cmdq,
 102     struct options *oo, int quiet)
 103 {
 104         struct args                             *args = self->args;
 105         const struct options_table_entry        *table, *oe;
 106         struct options_entry                    *o;
 107         const char                              *optval;
 108
 109         if (*args->argv[0] == '@') {
 110                 if ((o = options_find1(oo, args->argv[0])) == NULL) {
 111                         if (quiet)
 112                                 return (CMD_RETURN_NORMAL);
 113                         cmdq_error(cmdq, "unknown option: %s", args->argv[0]);
 114                         return (CMD_RETURN_ERROR);
 115                 }
 116                 if (args_has(self->args, 'v'))
 117                         cmdq_print(cmdq, "%s", o->str);
 118                 else
 119                         cmdq_print(cmdq, "%s \"%s\"", o->name, o->str);
 120                 return (CMD_RETURN_NORMAL);
 121         }
 122
 123         table = oe = NULL;
 124         if (options_table_find(args->argv[0], &table, &oe) != 0) {
 125                 cmdq_error(cmdq, "ambiguous option: %s", args->argv[0]);
 126                 return (CMD_RETURN_ERROR);
 127         }
 128         if (oe == NULL) {
 129                 if (quiet)
 130                     return (CMD_RETURN_NORMAL);
 131                 cmdq_error(cmdq, "unknown option: %s", args->argv[0]);
 132                 return (CMD_RETURN_ERROR);
 133         }
 134         if ((o = options_find1(oo, oe->name)) == NULL)
 135                 return (CMD_RETURN_NORMAL);
 136         optval = options_table_print_entry(oe, o, args_has(self->args, 'v'));
 137         if (args_has(self->args, 'v'))
 138                 cmdq_print(cmdq, "%s", optval);
 139         else
 140                 cmdq_print(cmdq, "%s %s", oe->name, optval);
 141         return (CMD_RETURN_NORMAL);
 142 }
 143
 144 enum cmd_retval
 145 cmd_show_options_all(struct cmd *self, struct cmd_q *cmdq,
 146     const struct options_table_entry *table, struct options *oo)
 147 {
 148         const struct options_table_entry        *oe;
 149         struct options_entry                    *o;
 150         const char                              *optval;
 151
 152         RB_FOREACH(o, options_tree, &oo->tree) {
 153                 if (*o->name == '@') {
 154                         if (args_has(self->args, 'v'))
 155                                 cmdq_print(cmdq, "%s", o->str);
 156                         else
 157                                 cmdq_print(cmdq, "%s \"%s\"", o->name, o->str);
 158                 }
 159         }
 160
 161         for (oe = table; oe->name != NULL; oe++) {
 162                 if ((o = options_find1(oo, oe->name)) == NULL)
 163                         continue;
 164                 optval = options_table_print_entry(oe, o,
 165                     args_has(self->args, 'v'));
 166                 if (args_has(self->args, 'v'))
 167                         cmdq_print(cmdq, "%s", optval);
 168                 else
 169                         cmdq_print(cmdq, "%s %s", oe->name, optval);
 170         }
 171
 172         return (CMD_RETURN_NORMAL);
 173 }