1 /* $OpenBSD: wsemul_vt100_chars.c,v 1.10 2023/04/13 18:29:36 miod Exp $ */
2 /* $NetBSD: wsemul_vt100_chars.c,v 1.12 2009/02/18 04:17:44 snj Exp $ */
3
4 /*
5 * Copyright (c) 1998
6 * Matthias Drochner. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 */
29
30 #include <sys/param.h>
31 #include <sys/systm.h>
32
33 #include <dev/wscons/wsconsio.h>
34 #include <dev/wscons/wsdisplayvar.h>
35 #include <dev/wscons/wsksymvar.h>
36 #include <dev/wscons/wsemulvar.h>
37 #include <dev/wscons/wsemul_vt100var.h>
38 #include <dev/wscons/unicode.h>
39
40 static const u_int16_t decspcgr2uni[128] = {
41 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007,
42 0x0008, 0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f,
43 0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017,
44 0x0018, 0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f,
45 /* 2 */ 0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027,
46 0x0028, 0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f,
47 0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037,
48 0x0038, 0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f,
49 /* 4 */ 0x0040, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047,
50 0x0048, 0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f,
51 0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057,
52 0x0058, 0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x00a0,
53 /* 6 */ 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1,
54 _e006U, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba,
55 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c,
56 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, 0x007f,
57 };
58
59 static const u_int16_t dectech2uni[128] = {
60 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007,
61 0x0008, 0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f,
62 0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017,
63 0x0018, 0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f,
64 /* 2 */ 0x0020, 0x221a, 0x250c, 0x2212, 0x2320, 0x2321, 0x2502, 0x2308,
65 0x230a, 0x2309, 0x230b, _e007U, _e008U, _e009U, _e00aU, _e00bU,
66 _e00cU, _e00dU, _e00eU, 0x2216, 0x2215, 0x00ac, _e00fU, 0x232a,
67 _e000U, _e000U, _e000U, _e000U, 0x2264, 0x2260, 0x2265, 0x222b,
68 /* 4 */ 0x2234, 0x221d, 0x221e, 0x00f7, 0x2206, 0x2207, 0x03a6, 0x0393,
69 0x223c, 0x2243, 0x0398, 0x00d7, 0x039b, 0x21d4, 0x21d2, 0x2261,
70 0x03a0, 0x03a8, _e000U, 0x03a3, _e000U, _e000U, 0x221a, 0x03a9,
71 0x039e, 0x03a5, 0x2282, 0x2283, 0x2229, 0x222a, 0x2227, 0x2228,
72 /* 6 */ 0x00ac, 0x03b1, 0x03b2, 0x03c7, 0x03b4, 0x03b5, 0x03c6, 0x03b3,
73 0x03b7, 0x03b9, 0x03b8, 0x03ba, 0x03bb, _e000U, 0x03bd, 0x2202,
74 0x03c0, 0x03c8, 0x03c1, 0x03c3, 0x03c4, _e000U, 0x0192, 0x03c9,
75 0x03be, 0x03c5, 0x03b6, 0x2190, 0x2191, 0x2192, 0x2193, 0x007f,
76 };
77
78 void
vt100_initchartables(struct wsemul_vt100_emuldata * edp)79 vt100_initchartables(struct wsemul_vt100_emuldata *edp)
80 {
81 int i;
82
83 if (edp->isolatin1tab != NULL)
84 for (i = 0; i < 128; i++)
85 (*edp->emulops->mapchar)(edp->emulcookie, 128 + i,
86 &edp->isolatin1tab[i]);
87
88 if (edp->decgraphtab != NULL)
89 for (i = 0; i < 128; i++)
90 (*edp->emulops->mapchar)(edp->emulcookie,
91 decspcgr2uni[i], &edp->decgraphtab[i]);
92
93 if (edp->dectechtab != NULL)
94 for (i = 0; i < 128; i++)
95 (*edp->emulops->mapchar)(edp->emulcookie,
96 dectech2uni[i], &edp->dectechtab[i]);
97
98 vt100_setnrc(edp, 0);
99 }
100
101 static const int nrcovlpos[12] = {
102 0x23, 0x40, 0x5b, 0x5c, 0x5d, 0x5e, /* #@[\]^ */
103 0x5f, 0x60, 0x7b, 0x7c, 0x7d, 0x7e /* _`{|}~ */
104 };
105 static const struct {
106 u_int16_t c[12];
107 } nrctable[] = {
108 /* british */
109 {{0x00a3, 0x0040, 0x005b, 0x005c, 0x005d, 0x005e,
110 0x005f, 0x0060, 0x007b, 0x007c, 0x007d, 0x007e}},
111 /* dutch */
112 {{0x00a3, 0x00be, 0x00dc, 0x00ab, 0x007c, 0x005e,
113 0x005f, 0x0060, 0x00a8, 0x0192, 0x00bc, 0x00b4}},
114 /* finnish */
115 {{0x0023, 0x0040, 0x00c4, 0x00d6, 0x00c5, 0x00dc,
116 0x005f, 0x00e9, 0x00e4, 0x00f6, 0x00e5, 0x00fc}},
117 /* french */
118 {{0x00a3, 0x00e0, 0x00b0, 0x00e7, 0x00a7, 0x005e,
119 0x005f, 0x0060, 0x00e9, 0x00f9, 0x00e8, 0x00a8}},
120 /* french canadian */
121 {{0x0023, 0x00e0, 0x00e2, 0x00e7, 0x00ea, 0x00ee,
122 0x005f, 0x00f4, 0x00e9, 0x00f9, 0x00e8, 0x00fb}},
123 /* german */
124 {{0x0023, 0x00a7, 0x00c4, 0x00d6, 0x00dc, 0x005e,
125 0x005f, 0x0060, 0x00e4, 0x00f6, 0x00fc, 0x00df}},
126 /* italian */
127 {{0x00a3, 0x00a7, 0x00b0, 0x00e7, 0x00e9, 0x005e,
128 0x005f, 0x00f9, 0x00e0, 0x00f2, 0x00e8, 0x00ec}},
129 /* norwegian /danish */
130 {{0x0023, 0x0040, 0x00c6, 0x00d8, 0x00c5, 0x005e,
131 0x005f, 0x0060, 0x00e6, 0x00f8, 0x00e5, 0x007e}},
132 /* portuguese */
133 {{0x0023, 0x0040, 0x00c3, 0x00c7, 0x00d5, 0x005e,
134 0x005f, 0x0060, 0x00e3, 0x00e7, 0x00f5, 0x007e}},
135 /* spanish */
136 {{0x00a3, 0x00a7, 0x00a1, 0x00d1, 0x00bf, 0x005e,
137 0x005f, 0x0060, 0x0060, 0x00b0, 0x00f1, 0x00e7}},
138 /* swedish */
139 {{0x0023, 0x00c9, 0x00c4, 0x00d6, 0x00c5, 0x00dc,
140 0x005f, 0x00e9, 0x00e4, 0x00f6, 0x00e5, 0x00fc}},
141 /* swiss */
142 {{0x00f9, 0x00e0, 0x00e9, 0x00e7, 0x00ea, 0x00ee,
143 0x00e8, 0x00f4, 0x00e4, 0x00f6, 0x00fc, 0x00fb}},
144 };
145
146 int
vt100_setnrc(struct wsemul_vt100_emuldata * edp,int nrc)147 vt100_setnrc(struct wsemul_vt100_emuldata *edp, int nrc)
148 {
149 int i;
150
151 if (edp->nrctab == NULL)
152 return (0);
153
154 if (nrc < 0 || nrc >= nitems(nrctable))
155 return (ERANGE);
156
157 for (i = 0; i < 128; i++)
158 (*edp->emulops->mapchar)(edp->emulcookie, i, &edp->nrctab[i]);
159 for (i = 0; i < 12; i++)
160 (*edp->emulops->mapchar)(edp->emulcookie, nrctable[nrc].c[i],
161 &edp->nrctab[nrcovlpos[i]]);
162
163 return (0);
164 }
165