1/* $Id: attributes.c,v 1.1.1.2 2011/08/17 18:40:04 jmmv Exp $ */
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
25const char *
26attributes_tostring(u_char attr)
27{
28	static char	buf[128];
29
30	if (attr == 0)
31		return ("none");
32
33	buf[0] = '\0';
34	if (attr & GRID_ATTR_BRIGHT)
35		strlcat(buf, "bright,", sizeof (buf));
36	if (attr & GRID_ATTR_DIM)
37		strlcat(buf, "dim,", sizeof (buf));
38	if (attr & GRID_ATTR_UNDERSCORE)
39		strlcat(buf, "underscore,", sizeof (buf));
40	if (attr & GRID_ATTR_BLINK)
41		strlcat(buf, "blink,", sizeof (buf));
42	if (attr & GRID_ATTR_REVERSE)
43		strlcat(buf, "reverse,", sizeof (buf));
44	if (attr & GRID_ATTR_HIDDEN)
45		strlcat(buf, "hidden,", sizeof (buf));
46	if (attr & GRID_ATTR_ITALICS)
47		strlcat(buf, "italics,", sizeof (buf));
48	if (*buf != '\0')
49		*(strrchr(buf, ',')) = '\0';
50
51	return (buf);
52}
53
54int
55attributes_fromstring(const char *str)
56{
57	const char	delimiters[] = " ,|";
58	u_char		attr;
59	size_t		end;
60
61	if (*str == '\0' || strcspn(str, delimiters) == 0)
62		return (-1);
63	if (strchr(delimiters, str[strlen(str) - 1]) != NULL)
64		return (-1);
65
66	if (strcasecmp(str, "default") == 0 || strcasecmp(str, "none") == 0)
67		return (0);
68
69	attr = 0;
70	do {
71		end = strcspn(str, delimiters);
72		if ((end == 6 && strncasecmp(str, "bright", end) == 0) ||
73		    (end == 4 && strncasecmp(str, "bold", end) == 0))
74			attr |= GRID_ATTR_BRIGHT;
75		else if (end == 3 && strncasecmp(str, "dim", end) == 0)
76			attr |= GRID_ATTR_DIM;
77		else if (end == 10 && strncasecmp(str, "underscore", end) == 0)
78			attr |= GRID_ATTR_UNDERSCORE;
79		else if (end == 5 && strncasecmp(str, "blink", end) == 0)
80			attr |= GRID_ATTR_BLINK;
81		else if (end == 7 && strncasecmp(str, "reverse", end) == 0)
82			attr |= GRID_ATTR_REVERSE;
83		else if (end == 6 && strncasecmp(str, "hidden", end) == 0)
84			attr |= GRID_ATTR_HIDDEN;
85		else if (end == 7 && strncasecmp(str, "italics", end) == 0)
86			attr |= GRID_ATTR_ITALICS;
87		else
88			return (-1);
89		str += end + strspn(str + end, delimiters);
90	} while (*str != '\0');
91
92	return (attr);
93}
94