xref: /netbsd-src/external/bsd/tmux/dist/cmd-paste-buffer.c (revision f3cfa6f6ce31685c6c4a758bc430e69eb99f50a4)
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 },
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
47 cmd_paste_buffer_exec(struct cmd *self, struct cmdq_item *item)
48 {
49 	struct args		*args = self->args;
50 	struct window_pane	*wp = item->target.wp;
51 	struct paste_buffer	*pb;
52 	const char		*sepstr, *bufname, *bufdata, *bufend, *line;
53 	size_t			 seplen, bufsize;
54 	int			 bracket = args_has(args, 'p');
55 
56 	bufname = NULL;
57 	if (args_has(args, 'b'))
58 		bufname = args_get(args, 'b');
59 
60 	if (bufname == NULL)
61 		pb = paste_get_top(NULL);
62 	else {
63 		pb = paste_get_name(bufname);
64 		if (pb == NULL) {
65 			cmdq_error(item, "no buffer %s", bufname);
66 			return (CMD_RETURN_ERROR);
67 		}
68 	}
69 
70 	if (pb != NULL && ~wp->flags & PANE_INPUTOFF) {
71 		sepstr = args_get(args, 's');
72 		if (sepstr == NULL) {
73 			if (args_has(args, 'r'))
74 				sepstr = "\n";
75 			else
76 				sepstr = "\r";
77 		}
78 		seplen = strlen(sepstr);
79 
80 		if (bracket && (wp->screen->mode & MODE_BRACKETPASTE))
81 			bufferevent_write(wp->event, "\033[200~", 6);
82 
83 		bufdata = paste_buffer_data(pb, &bufsize);
84 		bufend = bufdata + bufsize;
85 
86 		for (;;) {
87 			line = memchr(bufdata, '\n', bufend - bufdata);
88 			if (line == NULL)
89 				break;
90 
91 			bufferevent_write(wp->event, bufdata, line - bufdata);
92 			bufferevent_write(wp->event, sepstr, seplen);
93 
94 			bufdata = line + 1;
95 		}
96 		if (bufdata != bufend)
97 			bufferevent_write(wp->event, bufdata, bufend - bufdata);
98 
99 		if (bracket && (wp->screen->mode & MODE_BRACKETPASTE))
100 			bufferevent_write(wp->event, "\033[201~", 6);
101 	}
102 
103 	if (pb != NULL && args_has(args, 'd'))
104 		paste_free(pb);
105 
106 	return (CMD_RETURN_NORMAL);
107 }
108