xref: /openbsd-src/usr.bin/tmux/cmd-list-buffers.c (revision a51dead1c4d3ed85038c588391e643b117324e5a)
1*a51dead1Snicm /* $OpenBSD: cmd-list-buffers.c,v 1.39 2021/08/21 10:22:39 nicm Exp $ */
2311827fbSnicm 
3311827fbSnicm /*
498ca8272Snicm  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
5311827fbSnicm  *
6311827fbSnicm  * Permission to use, copy, modify, and distribute this software for any
7311827fbSnicm  * purpose with or without fee is hereby granted, provided that the above
8311827fbSnicm  * copyright notice and this permission notice appear in all copies.
9311827fbSnicm  *
10311827fbSnicm  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11311827fbSnicm  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12311827fbSnicm  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13311827fbSnicm  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14311827fbSnicm  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15311827fbSnicm  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16311827fbSnicm  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17311827fbSnicm  */
18311827fbSnicm 
19311827fbSnicm #include <sys/types.h>
20311827fbSnicm 
217d053cf9Snicm #include <stdlib.h>
22311827fbSnicm #include <string.h>
23311827fbSnicm 
24311827fbSnicm #include "tmux.h"
25311827fbSnicm 
26311827fbSnicm /*
27311827fbSnicm  * List paste buffers.
28311827fbSnicm  */
29311827fbSnicm 
301905ff33Snicm #define LIST_BUFFERS_TEMPLATE						\
311905ff33Snicm 	"#{buffer_name}: #{buffer_size} bytes: \"#{buffer_sample}\""
321905ff33Snicm 
3368e0a7f2Snicm static enum cmd_retval	cmd_list_buffers_exec(struct cmd *, struct cmdq_item *);
34311827fbSnicm 
35311827fbSnicm const struct cmd_entry cmd_list_buffers_entry = {
36c057646bSnicm 	.name = "list-buffers",
37c057646bSnicm 	.alias = "lsb",
38c057646bSnicm 
39*a51dead1Snicm 	.args = { "F:f:", 0, 0, NULL },
40a805fcb5Snicm 	.usage = "[-F format] [-f filter]",
41c057646bSnicm 
427a61a8ddSnicm 	.flags = CMD_AFTERHOOK,
43c057646bSnicm 	.exec = cmd_list_buffers_exec
44311827fbSnicm };
45311827fbSnicm 
46dc1f0f5fSnicm static enum cmd_retval
cmd_list_buffers_exec(struct cmd * self,struct cmdq_item * item)4768e0a7f2Snicm cmd_list_buffers_exec(struct cmd *self, struct cmdq_item *item)
48311827fbSnicm {
4990d7ba38Snicm 	struct args		*args = cmd_get_args(self);
50311827fbSnicm 	struct paste_buffer	*pb;
51cc9e5b00Snicm 	struct format_tree	*ft;
52a805fcb5Snicm 	const char		*template, *filter;
53a805fcb5Snicm 	char			*line, *expanded;
54a805fcb5Snicm 	int			 flag;
55cc9e5b00Snicm 
56cc9e5b00Snicm 	if ((template = args_get(args, 'F')) == NULL)
5761e1d212Snicm 		template = LIST_BUFFERS_TEMPLATE;
58a805fcb5Snicm 	filter = args_get(args, 'f');
59311827fbSnicm 
60a41fa27aSnicm 	pb = NULL;
61a41fa27aSnicm 	while ((pb = paste_walk(pb)) != NULL) {
62040343aeSnicm 		ft = format_create(cmdq_get_client(item), item, FORMAT_NONE, 0);
63f650d6adSnicm 		format_defaults_paste_buffer(ft, pb);
64cc9e5b00Snicm 
65a805fcb5Snicm 		if (filter != NULL) {
66a805fcb5Snicm 			expanded = format_expand(ft, filter);
67a805fcb5Snicm 			flag = format_true(expanded);
68a805fcb5Snicm 			free(expanded);
69a805fcb5Snicm 		} else
70a805fcb5Snicm 			flag = 1;
71a805fcb5Snicm 		if (flag) {
72cc9e5b00Snicm 			line = format_expand(ft, template);
7368e0a7f2Snicm 			cmdq_print(item, "%s", line);
747d053cf9Snicm 			free(line);
75a805fcb5Snicm 		}
76cc9e5b00Snicm 
77cc9e5b00Snicm 		format_free(ft);
78311827fbSnicm 	}
79311827fbSnicm 
80a224d0d3Snicm 	return (CMD_RETURN_NORMAL);
81311827fbSnicm }
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