cmd-list-sessions.c

   1 /* $OpenBSD$ */
   2
   3 /*
   4  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
   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 #include <time.h>
  24
  25 #include "tmux.h"
  26
  27 /*
  28  * List all sessions.
  29  */
  30
  31 #define LIST_SESSIONS_TEMPLATE                          \
  32         "#{session_name}: #{session_windows} windows "  \
  33         "(created #{t:session_created})"                \
  34         "#{?session_grouped, (group ,}"                 \
  35         "#{session_group}#{?session_grouped,),}"        \
  36         "#{?session_attached, (attached),}"
  37
  38 static enum cmd_retval  cmd_list_sessions_exec(struct cmd *,
  39                             struct cmdq_item *);
  40
  41 const struct cmd_entry cmd_list_sessions_entry = {
  42         .name = "list-sessions",
  43         .alias = "ls",
  44
  45         .args = { "F:f:", 0, 0, NULL },
  46         .usage = "[-F format] [-f filter]",
  47
  48         .flags = CMD_AFTERHOOK,
  49         .exec = cmd_list_sessions_exec
  50 };
  51
  52 static enum cmd_retval
  53 cmd_list_sessions_exec(struct cmd *self, struct cmdq_item *item)
  54 {
  55         struct args             *args = cmd_get_args(self);
  56         struct session          *s;
  57         u_int                    n;
  58         struct format_tree      *ft;
  59         const char              *template, *filter;
  60         char                    *line, *expanded;
  61         int                      flag;
  62
  63         if ((template = args_get(args, 'F')) == NULL)
  64                 template = LIST_SESSIONS_TEMPLATE;
  65         filter = args_get(args, 'f');
  66
  67         n = 0;
  68         RB_FOREACH(s, sessions, &sessions) {
  69                 ft = format_create(cmdq_get_client(item), item, FORMAT_NONE, 0);
  70                 format_add(ft, "line", "%u", n);
  71                 format_defaults(ft, NULL, s, NULL, NULL);
  72
  73                 if (filter != NULL) {
  74                         expanded = format_expand(ft, filter);
  75                         flag = format_true(expanded);
  76                         free(expanded);
  77                 } else
  78                         flag = 1;
  79                 if (flag) {
  80                         line = format_expand(ft, template);
  81                         cmdq_print(item, "%s", line);
  82                         free(line);
  83                 }
  84
  85                 format_free(ft);
  86                 n++;
  87         }
  88
  89         return (CMD_RETURN_NORMAL);
  90 }