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