xref: /netbsd-src/external/bsd/tmux/dist/cmd-paste-buffer.c (revision f844e94ef29eebc7999c12636b87f541bb86868b)
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 
30 static enum cmd_retval	cmd_paste_buffer_exec(struct cmd *, struct cmdq_item *);
31 
32 const 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 
46 static enum cmd_retval
cmd_paste_buffer_exec(struct cmd * self,struct cmdq_item * item)47 cmd_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 	if (window_pane_exited(wp)) {
58 		cmdq_error(item, "target pane has exited");
59 		return (CMD_RETURN_ERROR);
60 	}
61 
62 	bufname = NULL;
63 	if (args_has(args, 'b'))
64 		bufname = args_get(args, 'b');
65 
66 	if (bufname == NULL)
67 		pb = paste_get_top(NULL);
68 	else {
69 		pb = paste_get_name(bufname);
70 		if (pb == NULL) {
71 			cmdq_error(item, "no buffer %s", bufname);
72 			return (CMD_RETURN_ERROR);
73 		}
74 	}
75 
76 	if (pb != NULL && ~wp->flags & PANE_INPUTOFF) {
77 		sepstr = args_get(args, 's');
78 		if (sepstr == NULL) {
79 			if (args_has(args, 'r'))
80 				sepstr = "\n";
81 			else
82 				sepstr = "\r";
83 		}
84 		seplen = strlen(sepstr);
85 
86 		if (bracket && (wp->screen->mode & MODE_BRACKETPASTE))
87 			bufferevent_write(wp->event, "\033[200~", 6);
88 
89 		bufdata = paste_buffer_data(pb, &bufsize);
90 		bufend = bufdata + bufsize;
91 
92 		for (;;) {
93 			line = memchr(bufdata, '\n', bufend - bufdata);
94 			if (line == NULL)
95 				break;
96 
97 			bufferevent_write(wp->event, bufdata, line - bufdata);
98 			bufferevent_write(wp->event, sepstr, seplen);
99 
100 			bufdata = line + 1;
101 		}
102 		if (bufdata != bufend)
103 			bufferevent_write(wp->event, bufdata, bufend - bufdata);
104 
105 		if (bracket && (wp->screen->mode & MODE_BRACKETPASTE))
106 			bufferevent_write(wp->event, "\033[201~", 6);
107 	}
108 
109 	if (pb != NULL && args_has(args, 'd'))
110 		paste_free(pb);
111 
112 	return (CMD_RETURN_NORMAL);
113 }
114