xref: /openbsd-src/usr.bin/tmux/cmd-paste-buffer.c (revision ca6784669ed926e64c92bbcc7839f5934b2c6817)
1 /* $OpenBSD: cmd-paste-buffer.c,v 1.24 2014/04/24 09:14:43 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] [-b buffer-index] " CMD_TARGET_PANE_USAGE,
40 	0,
41 	NULL,
42 	cmd_paste_buffer_exec
43 };
44 
45 enum cmd_retval
46 cmd_paste_buffer_exec(struct cmd *self, struct cmd_q *cmdq)
47 {
48 	struct args		*args = self->args;
49 	struct window_pane	*wp;
50 	struct session		*s;
51 	struct paste_buffer	*pb;
52 	const char		*sepstr;
53 	char			*cause;
54 	int			 buffer;
55 	int			 pflag;
56 
57 	if (cmd_find_pane(cmdq, args_get(args, 't'), &s, &wp) == NULL)
58 		return (CMD_RETURN_ERROR);
59 
60 	if (!args_has(args, 'b'))
61 		buffer = -1;
62 	else {
63 		buffer = args_strtonum(args, 'b', 0, INT_MAX, &cause);
64 		if (cause != NULL) {
65 			cmdq_error(cmdq, "buffer %s", cause);
66 			free(cause);
67 			return (CMD_RETURN_ERROR);
68 		}
69 	}
70 
71 	if (buffer == -1)
72 		pb = paste_get_top();
73 	else {
74 		pb = paste_get_index(buffer);
75 		if (pb == NULL) {
76 			cmdq_error(cmdq, "no buffer %d", buffer);
77 			return (CMD_RETURN_ERROR);
78 		}
79 	}
80 
81 	if (pb != NULL) {
82 		sepstr = args_get(args, 's');
83 		if (sepstr == NULL) {
84 			if (args_has(args, 'r'))
85 				sepstr = "\n";
86 			else
87 				sepstr = "\r";
88 		}
89 		pflag = (wp->screen->mode & MODE_BRACKETPASTE);
90 		paste_send_pane(pb, wp, sepstr, args_has(args, 'p') && pflag);
91 	}
92 
93 	/* Delete the buffer if -d. */
94 	if (args_has(args, 'd')) {
95 		if (buffer == -1)
96 			paste_free_top();
97 		else
98 			paste_free_index(buffer);
99 	}
100 
101 	return (CMD_RETURN_NORMAL);
102 }
103