xref: /openbsd-src/usr.bin/tmux/cmd-list-sessions.c (revision ae3cb403620ab940fbaabb3055fac045a63d56b7)
1 /* $OpenBSD: cmd-list-sessions.c,v 1.29 2017/05/01 12:20:55 nicm Exp $ */
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_width}x#{session_height}]"		\
35 	"#{?session_grouped, (group ,}"			\
36 	"#{session_group}#{?session_grouped,),}"	\
37 	"#{?session_attached, (attached),}"
38 
39 static enum cmd_retval	cmd_list_sessions_exec(struct cmd *,
40 			    struct cmdq_item *);
41 
42 const struct cmd_entry cmd_list_sessions_entry = {
43 	.name = "list-sessions",
44 	.alias = "ls",
45 
46 	.args = { "F:", 0, 0 },
47 	.usage = "[-F format]",
48 
49 	.flags = CMD_AFTERHOOK,
50 	.exec = cmd_list_sessions_exec
51 };
52 
53 static enum cmd_retval
54 cmd_list_sessions_exec(struct cmd *self, struct cmdq_item *item)
55 {
56 	struct args		*args = self->args;
57 	struct session		*s;
58 	u_int		 	 n;
59 	struct format_tree	*ft;
60 	const char		*template;
61 	char			*line;
62 
63 	if ((template = args_get(args, 'F')) == NULL)
64 		template = LIST_SESSIONS_TEMPLATE;
65 
66 	n = 0;
67 	RB_FOREACH(s, sessions, &sessions) {
68 		ft = format_create(item->client, item, FORMAT_NONE, 0);
69 		format_add(ft, "line", "%u", n);
70 		format_defaults(ft, NULL, s, NULL, NULL);
71 
72 		line = format_expand(ft, template);
73 		cmdq_print(item, "%s", line);
74 		free(line);
75 
76 		format_free(ft);
77 		n++;
78 	}
79 
80 	return (CMD_RETURN_NORMAL);
81 }
82