xref: /netbsd-src/external/bsd/tmux/dist/cmd-paste-buffer.c (revision c34236556bea94afcaca1782d7d228301edc3ea0)
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 enum cmd_retval	 cmd_paste_buffer_exec(struct cmd *, struct cmd_q *);
31 
32 void	cmd_paste_buffer_filter(struct window_pane *,
33 	    const char *, size_t, const char *, int);
34 
35 const struct cmd_entry cmd_paste_buffer_entry = {
36 	.name = "paste-buffer",
37 	.alias = "pasteb",
38 
39 	.args = { "db:prs:t:", 0, 0 },
40 	.usage = "[-dpr] [-s separator] " CMD_BUFFER_USAGE " "
41 		 CMD_TARGET_PANE_USAGE,
42 
43 	.tflag = CMD_PANE,
44 
45 	.flags = 0,
46 	.exec = cmd_paste_buffer_exec
47 };
48 
49 enum cmd_retval
50 cmd_paste_buffer_exec(struct cmd *self, struct cmd_q *cmdq)
51 {
52 	struct args		*args = self->args;
53 	struct window_pane	*wp = cmdq->state.tflag.wp;
54 	struct paste_buffer	*pb;
55 	const char		*sepstr, *bufname, *bufdata, *bufend, *line;
56 	size_t			 seplen, bufsize;
57 	int			 bracket = args_has(args, 'p');
58 
59 	bufname = NULL;
60 	if (args_has(args, 'b'))
61 		bufname = args_get(args, 'b');
62 
63 	if (bufname == NULL)
64 		pb = paste_get_top(NULL);
65 	else {
66 		pb = paste_get_name(bufname);
67 		if (pb == NULL) {
68 			cmdq_error(cmdq, "no buffer %s", bufname);
69 			return (CMD_RETURN_ERROR);
70 		}
71 	}
72 
73 	if (pb != NULL && ~wp->flags & PANE_INPUTOFF) {
74 		sepstr = args_get(args, 's');
75 		if (sepstr == NULL) {
76 			if (args_has(args, 'r'))
77 				sepstr = "\n";
78 			else
79 				sepstr = "\r";
80 		}
81 		seplen = strlen(sepstr);
82 
83 		if (bracket && (wp->screen->mode & MODE_BRACKETPASTE))
84 			bufferevent_write(wp->event, "\033[200~", 6);
85 
86 		bufdata = paste_buffer_data(pb, &bufsize);
87 		bufend = bufdata + bufsize;
88 
89 		for (;;) {
90 			line = memchr(bufdata, '\n', bufend - bufdata);
91 			if (line == NULL)
92 				break;
93 
94 			bufferevent_write(wp->event, bufdata, line - bufdata);
95 			bufferevent_write(wp->event, sepstr, seplen);
96 
97 			bufdata = line + 1;
98 		}
99 		if (bufdata != bufend)
100 			bufferevent_write(wp->event, bufdata, bufend - bufdata);
101 
102 		if (bracket && (wp->screen->mode & MODE_BRACKETPASTE))
103 			bufferevent_write(wp->event, "\033[201~", 6);
104 	}
105 
106 	if (pb != NULL && args_has(args, 'd'))
107 		paste_free(pb);
108 
109 	return (CMD_RETURN_NORMAL);
110 }
111