xref: /netbsd-src/external/bsd/tmux/dist/cmd-paste-buffer.c (revision 946379e7b37692fc43f68eb0d1c10daa0a7f3b6c)
1 /* $OpenBSD$ */
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 
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 	"paste-buffer", "pasteb",
37 	"db:prs:t:", 0, 0,
38 	"[-dpr] [-s separator] " CMD_BUFFER_USAGE " " CMD_TARGET_PANE_USAGE,
39 	0,
40 	cmd_paste_buffer_exec
41 };
42 
43 enum cmd_retval
44 cmd_paste_buffer_exec(struct cmd *self, struct cmd_q *cmdq)
45 {
46 	struct args		*args = self->args;
47 	struct window_pane	*wp;
48 	struct session		*s;
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 	if (cmd_find_pane(cmdq, args_get(args, 't'), &s, &wp) == NULL)
55 		return (CMD_RETURN_ERROR);
56 
57 	bufname = NULL;
58 	if (args_has(args, 'b'))
59 		bufname = args_get(args, 'b');
60 
61 	if (bufname == NULL)
62 		pb = paste_get_top(NULL);
63 	else {
64 		pb = paste_get_name(bufname);
65 		if (pb == NULL) {
66 			cmdq_error(cmdq, "no buffer %s", bufname);
67 			return (CMD_RETURN_ERROR);
68 		}
69 	}
70 
71 	if (pb != NULL && ~wp->flags & PANE_INPUTOFF) {
72 		sepstr = args_get(args, 's');
73 		if (sepstr == NULL) {
74 			if (args_has(args, 'r'))
75 				sepstr = "\n";
76 			else
77 				sepstr = "\r";
78 		}
79 		seplen = strlen(sepstr);
80 
81 		if (bracket && (wp->screen->mode & MODE_BRACKETPASTE))
82 			bufferevent_write(wp->event, "\033[200~", 6);
83 
84 		bufdata = paste_buffer_data(pb, &bufsize);
85 		bufend = bufdata + bufsize;
86 
87 		for (;;) {
88 			line = memchr(bufdata, '\n', bufend - bufdata);
89 			if (line == NULL)
90 				break;
91 
92 			bufferevent_write(wp->event, bufdata, line - bufdata);
93 			bufferevent_write(wp->event, sepstr, seplen);
94 
95 			bufdata = line + 1;
96 		}
97 		if (bufdata != bufend)
98 			bufferevent_write(wp->event, bufdata, bufend - bufdata);
99 
100 		if (bracket && (wp->screen->mode & MODE_BRACKETPASTE))
101 			bufferevent_write(wp->event, "\033[201~", 6);
102 	}
103 
104 	if (pb != NULL && args_has(args, 'd'))
105 		paste_free(pb);
106 
107 	return (CMD_RETURN_NORMAL);
108 }
109