xref: /minix3/external/bsd/tmux/dist/attributes.c (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7)
1 /* Id */
2 
3 /*
4  * Copyright (c) 2009 Joshua Elsasser <josh@elsasser.org>
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 <string.h>
22 
23 #include "tmux.h"
24 
25 const char *
attributes_tostring(u_char attr)26 attributes_tostring(u_char attr)
27 {
28 	static char	buf[128];
29 	size_t		len;
30 
31 	if (attr == 0)
32 		return ("none");
33 
34 	len = xsnprintf(buf, sizeof buf, "%s%s%s%s%s%s%s",
35 		attr & GRID_ATTR_BRIGHT ? "bright," : "",
36 		attr & GRID_ATTR_DIM ? "dim," : "",
37 		attr & GRID_ATTR_UNDERSCORE ? "underscore," : "",
38 		attr & GRID_ATTR_BLINK ? "blink," : "",
39 		attr & GRID_ATTR_REVERSE ? "reverse," : "",
40 		attr & GRID_ATTR_HIDDEN ? "hidden," : "",
41 		attr & GRID_ATTR_ITALICS ? "italics," : "");
42 	if (len > 0)
43 		buf[len - 1] = '\0';
44 
45 	return (buf);
46 }
47 
48 int
attributes_fromstring(const char * str)49 attributes_fromstring(const char *str)
50 {
51 	const char	delimiters[] = " ,|";
52 	u_char		attr;
53 	size_t		end;
54 
55 	if (*str == '\0' || strcspn(str, delimiters) == 0)
56 		return (-1);
57 	if (strchr(delimiters, str[strlen(str) - 1]) != NULL)
58 		return (-1);
59 
60 	if (strcasecmp(str, "default") == 0 || strcasecmp(str, "none") == 0)
61 		return (0);
62 
63 	attr = 0;
64 	do {
65 		end = strcspn(str, delimiters);
66 		if ((end == 6 && strncasecmp(str, "bright", end) == 0) ||
67 		    (end == 4 && strncasecmp(str, "bold", end) == 0))
68 			attr |= GRID_ATTR_BRIGHT;
69 		else if (end == 3 && strncasecmp(str, "dim", end) == 0)
70 			attr |= GRID_ATTR_DIM;
71 		else if (end == 10 && strncasecmp(str, "underscore", end) == 0)
72 			attr |= GRID_ATTR_UNDERSCORE;
73 		else if (end == 5 && strncasecmp(str, "blink", end) == 0)
74 			attr |= GRID_ATTR_BLINK;
75 		else if (end == 7 && strncasecmp(str, "reverse", end) == 0)
76 			attr |= GRID_ATTR_REVERSE;
77 		else if (end == 6 && strncasecmp(str, "hidden", end) == 0)
78 			attr |= GRID_ATTR_HIDDEN;
79 		else if (end == 7 && strncasecmp(str, "italics", end) == 0)
80 			attr |= GRID_ATTR_ITALICS;
81 		else
82 			return (-1);
83 		str += end + strspn(str + end, delimiters);
84 	} while (*str != '\0');
85 
86 	return (attr);
87 }
88