1 /* $OpenBSD: cmd-paste-buffer.c,v 1.42 2024/02/13 08:03:50 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 <vis.h>
24
25 #include "tmux.h"
26
27 /*
28 * Paste paste buffer if present.
29 */
30
31 static enum cmd_retval cmd_paste_buffer_exec(struct cmd *, struct cmdq_item *);
32
33 const struct cmd_entry cmd_paste_buffer_entry = {
34 .name = "paste-buffer",
35 .alias = "pasteb",
36
37 .args = { "db:prs:t:", 0, 0, NULL },
38 .usage = "[-dpr] [-s separator] " CMD_BUFFER_USAGE " "
39 CMD_TARGET_PANE_USAGE,
40
41 .target = { 't', CMD_FIND_PANE, 0 },
42
43 .flags = CMD_AFTERHOOK,
44 .exec = cmd_paste_buffer_exec
45 };
46
47 static enum cmd_retval
cmd_paste_buffer_exec(struct cmd * self,struct cmdq_item * item)48 cmd_paste_buffer_exec(struct cmd *self, struct cmdq_item *item)
49 {
50 struct args *args = cmd_get_args(self);
51 struct cmd_find_state *target = cmdq_get_target(item);
52 struct window_pane *wp = target->wp;
53 struct paste_buffer *pb;
54 const char *sepstr, *bufname, *bufdata, *bufend, *line;
55 size_t seplen, bufsize;
56 int bracket = args_has(args, 'p');
57
58 if (window_pane_exited(wp)) {
59 cmdq_error(item, "target pane has exited");
60 return (CMD_RETURN_ERROR);
61 }
62
63 bufname = NULL;
64 if (args_has(args, 'b'))
65 bufname = args_get(args, 'b');
66
67 if (bufname == NULL)
68 pb = paste_get_top(NULL);
69 else {
70 pb = paste_get_name(bufname);
71 if (pb == NULL) {
72 cmdq_error(item, "no buffer %s", bufname);
73 return (CMD_RETURN_ERROR);
74 }
75 }
76
77 if (pb != NULL && ~wp->flags & PANE_INPUTOFF) {
78 sepstr = args_get(args, 's');
79 if (sepstr == NULL) {
80 if (args_has(args, 'r'))
81 sepstr = "\n";
82 else
83 sepstr = "\r";
84 }
85 seplen = strlen(sepstr);
86
87 if (bracket && (wp->screen->mode & MODE_BRACKETPASTE))
88 bufferevent_write(wp->event, "\033[200~", 6);
89
90 bufdata = paste_buffer_data(pb, &bufsize);
91 bufend = bufdata + bufsize;
92
93 for (;;) {
94 line = memchr(bufdata, '\n', bufend - bufdata);
95 if (line == NULL)
96 break;
97
98 bufferevent_write(wp->event, bufdata, line - bufdata);
99 bufferevent_write(wp->event, sepstr, seplen);
100
101 bufdata = line + 1;
102 }
103 if (bufdata != bufend)
104 bufferevent_write(wp->event, bufdata, bufend - bufdata);
105
106 if (bracket && (wp->screen->mode & MODE_BRACKETPASTE))
107 bufferevent_write(wp->event, "\033[201~", 6);
108 }
109
110 if (pb != NULL && args_has(args, 'd'))
111 paste_free(pb);
112
113 return (CMD_RETURN_NORMAL);
114 }
115