xref: /openbsd-src/usr.bin/tmux/cmd-paste-buffer.c (revision 9b9d2a55a62c8e82206c25f94fcc7f4e2765250e)
1 /* $OpenBSD: cmd-paste-buffer.c,v 1.29 2015/08/29 09:36:46 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 	0,
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;
49 	struct session		*s;
50 	struct paste_buffer	*pb;
51 	const char		*sepstr, *bufname, *bufdata, *bufend, *line;
52 	size_t			 seplen, bufsize;
53 	int			 bracket = args_has(args, 'p');
54 
55 	if (cmd_find_pane(cmdq, args_get(args, 't'), &s, &wp) == NULL)
56 		return (CMD_RETURN_ERROR);
57 
58 	bufname = NULL;
59 	if (args_has(args, 'b'))
60 		bufname = args_get(args, 'b');
61 
62 	if (bufname == NULL)
63 		pb = paste_get_top(NULL);
64 	else {
65 		pb = paste_get_name(bufname);
66 		if (pb == NULL) {
67 			cmdq_error(cmdq, "no buffer %s", bufname);
68 			return (CMD_RETURN_ERROR);
69 		}
70 	}
71 
72 	if (pb != NULL && ~wp->flags & PANE_INPUTOFF) {
73 		sepstr = args_get(args, 's');
74 		if (sepstr == NULL) {
75 			if (args_has(args, 'r'))
76 				sepstr = "\n";
77 			else
78 				sepstr = "\r";
79 		}
80 		seplen = strlen(sepstr);
81 
82 		if (bracket && (wp->screen->mode & MODE_BRACKETPASTE))
83 			bufferevent_write(wp->event, "\033[200~", 6);
84 
85 		bufdata = paste_buffer_data(pb, &bufsize);
86 		bufend = bufdata + bufsize;
87 
88 		for (;;) {
89 			line = memchr(bufdata, '\n', bufend - bufdata);
90 			if (line == NULL)
91 				break;
92 
93 			bufferevent_write(wp->event, bufdata, line - bufdata);
94 			bufferevent_write(wp->event, sepstr, seplen);
95 
96 			bufdata = line + 1;
97 		}
98 		if (bufdata != bufend)
99 			bufferevent_write(wp->event, bufdata, bufend - bufdata);
100 
101 		if (bracket && (wp->screen->mode & MODE_BRACKETPASTE))
102 			bufferevent_write(wp->event, "\033[201~", 6);
103 	}
104 
105 	if (args_has(args, 'd')) {
106 		if (bufname == NULL)
107 			paste_free_top();
108 		else
109 			paste_free_name(bufname);
110 	}
111 
112 	return (CMD_RETURN_NORMAL);
113 }
114