external/bsd/tmux/dist/cmd-show-options.c

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