1/* $OpenBSD: cmd-list-buffers.c,v 1.39 2021/08/21 10:22:39 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
24#include "tmux.h"
25
26/*
27 * List paste buffers.
28 */
29
30#define LIST_BUFFERS_TEMPLATE						\
31	"#{buffer_name}: #{buffer_size} bytes: \"#{buffer_sample}\""
32
33static enum cmd_retval	cmd_list_buffers_exec(struct cmd *, struct cmdq_item *);
34
35const struct cmd_entry cmd_list_buffers_entry = {
36	.name = "list-buffers",
37	.alias = "lsb",
38
39	.args = { "F:f:", 0, 0, NULL },
40	.usage = "[-F format] [-f filter]",
41
42	.flags = CMD_AFTERHOOK,
43	.exec = cmd_list_buffers_exec
44};
45
46static enum cmd_retval
47cmd_list_buffers_exec(struct cmd *self, struct cmdq_item *item)
48{
49	struct args		*args = cmd_get_args(self);
50	struct paste_buffer	*pb;
51	struct format_tree	*ft;
52	const char		*template, *filter;
53	char			*line, *expanded;
54	int			 flag;
55
56	if ((template = args_get(args, 'F')) == NULL)
57		template = LIST_BUFFERS_TEMPLATE;
58	filter = args_get(args, 'f');
59
60	pb = NULL;
61	while ((pb = paste_walk(pb)) != NULL) {
62		ft = format_create(cmdq_get_client(item), item, FORMAT_NONE, 0);
63		format_defaults_paste_buffer(ft, pb);
64
65		if (filter != NULL) {
66			expanded = format_expand(ft, filter);
67			flag = format_true(expanded);
68			free(expanded);
69		} else
70			flag = 1;
71		if (flag) {
72			line = format_expand(ft, template);
73			cmdq_print(item, "%s", line);
74			free(line);
75		}
76
77		format_free(ft);
78	}
79
80	return (CMD_RETURN_NORMAL);
81}
82