root/dev/wscons/wsemul_vt100_chars.c

DEFINITIONS

1. vt100_initchartables
2. vt100_setnrc

    1 /* $OpenBSD: wsemul_vt100_chars.c,v 1.5 2007/01/07 13:31:36 miod Exp $ */
    2 /* $NetBSD: wsemul_vt100_chars.c,v 1.4 1999/02/20 18:20:02 drochner Exp $ */
    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  */
   30 #include <sys/param.h>
   31 #include <sys/systm.h>
   32 #include <dev/wscons/wsconsio.h>
   33 #include <dev/wscons/wsdisplayvar.h>
   34 #include <dev/wscons/wsksymvar.h>
   35 #include <dev/wscons/wsemulvar.h>
   36 #include <dev/wscons/wsemul_vt100var.h>
   37 #include <dev/wscons/unicode.h>
   39 static const u_int16_t decspcgr2uni[128] = {
   40         0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007,
   41         0x0008, 0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f,
   42         0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017,
   43         0x0018, 0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f,
   44 /* 2 */ 0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027,
   45         0x0028, 0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f,
   46         0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037,
   47         0x0038, 0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f,
   48 /* 4 */ 0x0040, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047,
   49         0x0048, 0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f,
   50         0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057,
   51         0x0058, 0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x00a0,
   52 /* 6 */ 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1,
_e006U, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, _e001U,
_e002U, _e003U, _e004U, _e005U, 0x251c, 0x2524, 0x2534, 0x252c,
   55         0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, 0x007f,
   56 };
   58 static const u_int16_t dectech2uni[128] = {
   59         0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007,
   60         0x0008, 0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f,
   61         0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017,
   62         0x0018, 0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f,
   63 /* 2 */ 0x0020, 0x221a, 0x250c, 0x2212, 0x2320, 0x2321, 0x2502, 0x2308,
   64         0x230a, 0x2309, 0x230b, _e007U, _e008U, _e009U, _e00aU, _e00bU,
_e00cU, _e00dU, _e00eU, 0x2216, 0x2215, 0x00ac, _e00fU, 0x232a,
_e000U, _e000U, _e000U, _e000U, 0x2264, 0x2260, 0x2265, 0x222b,
   67 /* 4 */ 0x2234, 0x221d, 0x221e, 0x00f7, 0x2206, 0x2207, 0x03a6, 0x0393,
   68         0x223c, 0x2243, 0x0398, 0x00d7, 0x039b, 0x21d4, 0x21d2, 0x2261,
   69         0x03a0, 0x03a8, _e000U, 0x03a3, _e000U, _e000U, 0x221a, 0x03a9,
   70         0x039e, 0x03a5, 0x2282, 0x2283, 0x2229, 0x222a, 0x2227, 0x2228,
   71 /* 6 */ 0x00ac, 0x03b1, 0x03b2, 0x03c7, 0x03b4, 0x03b5, 0x03c6, 0x03b3,
   72         0x03b7, 0x03b9, 0x03b8, 0x03ba, 0x03bb, _e000U, 0x03bd, 0x2202,
   73         0x03c0, 0x03c8, 0x03c1, 0x03c3, 0x03c4, _e000U, 0x0192, 0x03c9,
   74         0x03be, 0x03c5, 0x03b6, 0x2190, 0x2191, 0x2192, 0x2193, 0x007f,
   75 };
   77 void
vt100_initchartables(edp)
   79         struct wsemul_vt100_emuldata *edp;
   80 {
   81         int i;
   83         if (edp->isolatin1tab != NULL)
   84                 for (i = 0; i < 128; i++)
   85                         (*edp->emulops->mapchar)(edp->emulcookie, 128 + i,
   86                             &edp->isolatin1tab[i]);
   88         if (edp->decgraphtab != NULL)
   89                 for (i = 0; i < 128; i++)
   90                         (*edp->emulops->mapchar)(edp->emulcookie,
decspcgr2uni[i], &edp->decgraphtab[i]);
   93         if (edp->dectechtab != NULL)
   94                 for (i = 0; i < 128; i++)
   95                         (*edp->emulops->mapchar)(edp->emulcookie,
dectech2uni[i], &edp->dectechtab[i]);
vt100_setnrc(edp, 0);
   99 }
  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 {
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         /* portugese */
  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 };
  146 int
vt100_setnrc(edp, nrc)
  148         struct wsemul_vt100_emuldata *edp;
  149         int nrc;
  150 {
  151         int i;
  153         if (edp->nrctab == NULL)
  154                 return (0);
  156         if (nrc < 0 || nrc >= sizeof(nrctable) / sizeof(nrctable[0]))
  157                 return (ERANGE);
  159         for (i = 0; i < 128; i++)
  160                 (*edp->emulops->mapchar)(edp->emulcookie, i, &edp->nrctab[i]);
  161         for (i = 0; i < 12; i++)
  162                 (*edp->emulops->mapchar)(edp->emulcookie, nrctable[nrc].c[i],
  163                     &edp->nrctab[nrcovlpos[i]]);
  165         return (0);
  166 }