xref: /openbsd-src/usr.bin/tmux/cmd-paste-buffer.c (revision 3447b427c1ffcf379e7fc14b9e25cce4fa75a963)
1 /* $OpenBSD: cmd-paste-buffer.c,v 1.31 2015/12/13 14:32:38 nicm Exp $ */
2 
3 /*
4  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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 enum cmd_retval	 cmd_paste_buffer_exec(struct cmd *, struct cmd_q *);
32 
33 void	cmd_paste_buffer_filter(struct window_pane *,
34 	    const char *, size_t, const char *, int);
35 
36 const struct cmd_entry cmd_paste_buffer_entry = {
37 	"paste-buffer", "pasteb",
38 	"db:prs:t:", 0, 0,
39 	"[-dpr] [-s separator] " CMD_BUFFER_USAGE " " CMD_TARGET_PANE_USAGE,
40 	CMD_PANE_T,
41 	cmd_paste_buffer_exec
42 };
43 
44 enum cmd_retval
45 cmd_paste_buffer_exec(struct cmd *self, struct cmd_q *cmdq)
46 {
47 	struct args		*args = self->args;
48 	struct window_pane	*wp = cmdq->state.tflag.wp;
49 	struct paste_buffer	*pb;
50 	const char		*sepstr, *bufname, *bufdata, *bufend, *line;
51 	size_t			 seplen, bufsize;
52 	int			 bracket = args_has(args, 'p');
53 
54 	bufname = NULL;
55 	if (args_has(args, 'b'))
56 		bufname = args_get(args, 'b');
57 
58 	if (bufname == NULL)
59 		pb = paste_get_top(NULL);
60 	else {
61 		pb = paste_get_name(bufname);
62 		if (pb == NULL) {
63 			cmdq_error(cmdq, "no buffer %s", bufname);
64 			return (CMD_RETURN_ERROR);
65 		}
66 	}
67 
68 	if (pb != NULL && ~wp->flags & PANE_INPUTOFF) {
69 		sepstr = args_get(args, 's');
70 		if (sepstr == NULL) {
71 			if (args_has(args, 'r'))
72 				sepstr = "\n";
73 			else
74 				sepstr = "\r";
75 		}
76 		seplen = strlen(sepstr);
77 
78 		if (bracket && (wp->screen->mode & MODE_BRACKETPASTE))
79 			bufferevent_write(wp->event, "\033[200~", 6);
80 
81 		bufdata = paste_buffer_data(pb, &bufsize);
82 		bufend = bufdata + bufsize;
83 
84 		for (;;) {
85 			line = memchr(bufdata, '\n', bufend - bufdata);
86 			if (line == NULL)
87 				break;
88 
89 			bufferevent_write(wp->event, bufdata, line - bufdata);
90 			bufferevent_write(wp->event, sepstr, seplen);
91 
92 			bufdata = line + 1;
93 		}
94 		if (bufdata != bufend)
95 			bufferevent_write(wp->event, bufdata, bufend - bufdata);
96 
97 		if (bracket && (wp->screen->mode & MODE_BRACKETPASTE))
98 			bufferevent_write(wp->event, "\033[201~", 6);
99 	}
100 
101 	if (pb != NULL && args_has(args, 'd'))
102 		paste_free(pb);
103 
104 	return (CMD_RETURN_NORMAL);
105 }
106