1/*	$NetBSD: keysym.c,v 1.9 2009/04/06 12:35:20 lukem Exp $ */
2
3/*-
4 * Copyright (c) 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Juergen Hannken-Illjes.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#include <dev/wscons/wsksymdef.h>
33
34#include <stdio.h>
35#include <stdlib.h>
36#include <string.h>
37#include <unistd.h>
38
39#include "keysym.h"
40#include "wsconsctl.h"
41
42#define NUMKSYMS	(sizeof(ksym_tab_by_name)/sizeof(ksym_tab_by_name[0]))
43
44static int first_time = 1;
45static struct ksym ksym_tab_by_ksym[NUMKSYMS];
46
47/* copied from dev/wscons/wskbdutil.c ... */
48
49static const u_char latin1_to_upper[256] = {
50/*	0  8  1  9  2  a  3  b  4  c  5  d  6  e  7  f		     */
51	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 0 */
52	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 0 */
53	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 1 */
54	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 1 */
55	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 2 */
56	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 2 */
57	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 3 */
58	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 3 */
59	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 4 */
60	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 4 */
61	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 5 */
62	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 5 */
63	0x00,  'A',  'B',  'C',  'D',  'E',  'F',  'G',		/* 6 */
64	 'H',  'I',  'J',  'K',  'L',  'M',  'N',  'O',		/* 6 */
65	 'P',  'Q',  'R',  'S',  'T',  'U',  'V',  'W',		/* 7 */
66	 'X',  'Y',  'Z', 0x00, 0x00, 0x00, 0x00, 0x00,		/* 7 */
67	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 8 */
68	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 8 */
69	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 9 */
70	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* 9 */
71	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* a */
72	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* a */
73	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* b */
74	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* b */
75	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* c */
76	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* c */
77	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* d */
78	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,		/* d */
79	0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,		/* e */
80	0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,		/* e */
81	0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0x00,		/* f */
82	0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0x00,		/* f */
83};
84
85static int qcmp_name(const void *, const void *);
86static int qcmp_ksym(const void *, const void *);
87static int bcmp_name(const void *, const void *);
88static int bcmp_ksym(const void *, const void *);
89
90static void sort_ksym_tab(void);
91
92static int
93qcmp_name(const void *a, const void *b)
94{
95
96	return strcmp(((const struct ksym *) a)->name,
97	    ((const struct ksym *) b)->name);
98}
99
100static int
101qcmp_ksym(const void *a, const void *b)
102{
103
104	return ((const struct ksym *) b)->value -
105	    ((const struct ksym *) a)->value;
106}
107
108static int
109bcmp_name(const void *a, const void *b)
110{
111
112	return strcmp((const char *) a, ((const struct ksym *) b)->name);
113}
114
115static int
116bcmp_ksym(const void *a, const void *b)
117{
118
119	return ((const struct ksym *) b)->value - *((const int *) a);
120}
121
122static void
123sort_ksym_tab(void)
124{
125	size_t i;
126
127	for (i = 0; i < NUMKSYMS; i++)
128		ksym_tab_by_ksym[i] = ksym_tab_by_name[i];
129
130	qsort(ksym_tab_by_name, NUMKSYMS, sizeof(struct ksym), qcmp_name);
131	qsort(ksym_tab_by_ksym, NUMKSYMS, sizeof(struct ksym), qcmp_ksym);
132
133	first_time = 0;
134}
135
136const char *
137ksym2name(int k)
138{
139	static char tmp[20];
140	struct ksym *r;
141
142	if (first_time)
143		sort_ksym_tab();
144
145	r = bsearch(&k, ksym_tab_by_ksym,
146		    NUMKSYMS, sizeof(struct ksym), bcmp_ksym);
147
148	if (r != NULL)
149		return r->name;
150	else {
151		(void)snprintf(tmp, sizeof(tmp), "unknown_%d", k);
152		return tmp;
153	}
154}
155
156int
157name2ksym(char *n)
158{
159	int res;
160	struct ksym *r;
161
162	if (first_time)
163		sort_ksym_tab();
164
165	r = bsearch(n, ksym_tab_by_name,
166		    NUMKSYMS, sizeof(struct ksym), bcmp_name);
167
168	if (r != NULL)
169		return r->value;
170	else if (sscanf(n, "unknown_%d", &res) == 1)
171		return res;
172	else
173		return -1;
174}
175
176keysym_t
177ksym_upcase(keysym_t ksym)
178{
179
180	if (ksym >= KS_f1 && ksym <= KS_f20)
181		return KS_F1 - KS_f1 + ksym;
182
183	if (KS_GROUP(ksym) == KS_GROUP_Plain && ksym <= 0xff &&
184	    latin1_to_upper[ksym] != 0x00)
185		return latin1_to_upper[ksym];
186
187	return ksym;
188}
189