lib/cp864.h

   1 /*
   2  * Copyright (C) 1999-2001 Free Software Foundation, Inc.
   3  * This file is part of the GNU LIBICONV Library.
   4  *
   5  * The GNU LIBICONV Library is free software; you can redistribute it
   6  * and/or modify it under the terms of the GNU Library General Public
   7  * License as published by the Free Software Foundation; either version 2
   8  * of the License, or (at your option) any later version.
   9  *
  10  * The GNU LIBICONV Library is distributed in the hope that it will be
  11  * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Library General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Library General Public
  16  * License along with the GNU LIBICONV Library; see the file COPYING.LIB.
  17  * If not, write to the Free Software Foundation, Inc., 59 Temple Place -
  18  * Suite 330, Boston, MA 02111-1307, USA.
  19  */
  20
  21 /*
  22  * CP864
  23  */
  24
  25 static const unsigned short cp864_2uni_1[16] = {
  26   /* 0x20 */
  27   0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x066a, 0x0026, 0x0027,
  28   0x0028, 0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f,
  29 };
  30 static const unsigned short cp864_2uni_2[128] = {
  31   /* 0x80 */
  32   0x00b0, 0x00b7, 0x2219, 0x221a, 0x2592, 0x2500, 0x2502, 0x253c,
  33   0x2524, 0x252c, 0x251c, 0x2534, 0x2510, 0x250c, 0x2514, 0x2518,
  34   /* 0x90 */
  35   0x03b2, 0x221e, 0x03c6, 0x00b1, 0x00bd, 0x00bc, 0x2248, 0x00ab,
  36   0x00bb, 0xfef7, 0xfef8, 0xfffd, 0xfffd, 0xfefb, 0xfefc, 0xfffd,
  37   /* 0xa0 */
  38   0x00a0, 0x00ad, 0xfe82, 0x00a3, 0x00a4, 0xfe84, 0xfffd, 0xfffd,
  39   0xfe8e, 0xfe8f, 0xfe95, 0xfe99, 0x060c, 0xfe9d, 0xfea1, 0xfea5,
  40   /* 0xb0 */
  41   0x0660, 0x0661, 0x0662, 0x0663, 0x0664, 0x0665, 0x0666, 0x0667,
  42   0x0668, 0x0669, 0xfed1, 0x061b, 0xfeb1, 0xfeb5, 0xfeb9, 0x061f,
  43   /* 0xc0 */
  44   0x00a2, 0xfe80, 0xfe81, 0xfe83, 0xfe85, 0xfeca, 0xfe8b, 0xfe8d,
  45   0xfe91, 0xfe93, 0xfe97, 0xfe9b, 0xfe9f, 0xfea3, 0xfea7, 0xfea9,
  46   /* 0xd0 */
  47   0xfeab, 0xfead, 0xfeaf, 0xfeb3, 0xfeb7, 0xfebb, 0xfebf, 0xfec1,
  48   0xfec5, 0xfecb, 0xfecf, 0x00a6, 0x00ac, 0x00f7, 0x00d7, 0xfec9,
  49   /* 0xe0 */
  50   0x0640, 0xfed3, 0xfed7, 0xfedb, 0xfedf, 0xfee3, 0xfee7, 0xfeeb,
  51   0xfeed, 0xfeef, 0xfef3, 0xfebd, 0xfecc, 0xfece, 0xfecd, 0xfee1,
  52   /* 0xf0 */
  53   0xfe7d, 0x0651, 0xfee5, 0xfee9, 0xfeec, 0xfef0, 0xfef2, 0xfed0,
  54   0xfed5, 0xfef5, 0xfef6, 0xfedd, 0xfed9, 0xfef1, 0x25a0, 0xfffd,
  55 };
  56
  57 static int
  58 cp864_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
  59 {
  60   unsigned char c = *s;
  61   if (c < 0x20) {
  62     *pwc = (ucs4_t) c;
  63     return 1;
  64   }
  65   else if (c < 0x30) {
  66     *pwc = (ucs4_t) cp864_2uni_1[c-0x20];
  67     return 1;
  68   }
  69   else if (c < 0x80) {
  70     *pwc = (ucs4_t) c;
  71     return 1;
  72   }
  73   else {
  74     unsigned short wc = cp864_2uni_2[c-0x80];
  75     if (wc != 0xfffd) {
  76       *pwc = (ucs4_t) wc;
  77       return 1;
  78     }
  79   }
  80   return RET_ILSEQ;
  81 }
  82
  83 static const unsigned char cp864_page00[8] = {
  84   0x20, 0x21, 0x22, 0x23, 0x24, 0x00, 0x26, 0x27, /* 0x20-0x27 */
  85 };
  86 static const unsigned char cp864_page00_1[88] = {
  87   0xa0, 0x00, 0xc0, 0xa3, 0xa4, 0x00, 0xdb, 0x00, /* 0xa0-0xa7 */
  88   0x00, 0x00, 0x00, 0x97, 0xdc, 0xa1, 0x00, 0x00, /* 0xa8-0xaf */
  89   0x80, 0x93, 0x00, 0x00, 0x00, 0x00, 0x00, 0x81, /* 0xb0-0xb7 */
  90   0x00, 0x00, 0x00, 0x98, 0x95, 0x94, 0x00, 0x00, /* 0xb8-0xbf */
  91   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc0-0xc7 */
  92   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc8-0xcf */
  93   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xde, /* 0xd0-0xd7 */
  94   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xd8-0xdf */
  95   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xe0-0xe7 */
  96   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xe8-0xef */
  97   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xdd, /* 0xf0-0xf7 */
  98 };
  99 static const unsigned char cp864_page06[104] = {
 100   0x00, 0x00, 0x00, 0x00, 0xac, 0x00, 0x00, 0x00, /* 0x08-0x0f */
 101   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */
 102   0x00, 0x00, 0x00, 0xbb, 0x00, 0x00, 0x00, 0xbf, /* 0x18-0x1f */
 103   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */
 104   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */
 105   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */
 106   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */
 107   0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40-0x47 */
 108   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */
 109   0x00, 0xf1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */
 110   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x58-0x5f */
 111   0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, /* 0x60-0x67 */
 112   0xb8, 0xb9, 0x25, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */
 113 };
 114 static const unsigned char cp864_page22[56] = {
 115   0x00, 0x82, 0x83, 0x00, 0x00, 0x00, 0x91, 0x00, /* 0x18-0x1f */
 116   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */
 117   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */
 118   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */
 119   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */
 120   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40-0x47 */
 121   0x96, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */
 122 };
 123 static const unsigned char cp864_page25[64] = {
 124   0x85, 0x00, 0x86, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */
 125   0x00, 0x00, 0x00, 0x00, 0x8d, 0x00, 0x00, 0x00, /* 0x08-0x0f */
 126   0x8c, 0x00, 0x00, 0x00, 0x8e, 0x00, 0x00, 0x00, /* 0x10-0x17 */
 127   0x8f, 0x00, 0x00, 0x00, 0x8a, 0x00, 0x00, 0x00, /* 0x18-0x1f */
 128   0x00, 0x00, 0x00, 0x00, 0x88, 0x00, 0x00, 0x00, /* 0x20-0x27 */
 129   0x00, 0x00, 0x00, 0x00, 0x89, 0x00, 0x00, 0x00, /* 0x28-0x2f */
 130   0x00, 0x00, 0x00, 0x00, 0x8b, 0x00, 0x00, 0x00, /* 0x30-0x37 */
 131   0x00, 0x00, 0x00, 0x00, 0x87, 0x00, 0x00, 0x00, /* 0x38-0x3f */
 132 };
 133 static const unsigned char cp864_pagefe[136] = {
 134   0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x00, 0x00, /* 0x78-0x7f */
 135   0xc1, 0xc2, 0xa2, 0xc3, 0xa5, 0xc4, 0x00, 0x00, /* 0x80-0x87 */
 136   0x00, 0x00, 0x00, 0xc6, 0x00, 0xc7, 0xa8, 0xa9, /* 0x88-0x8f */
 137   0x00, 0xc8, 0x00, 0xc9, 0x00, 0xaa, 0x00, 0xca, /* 0x90-0x97 */
 138   0x00, 0xab, 0x00, 0xcb, 0x00, 0xad, 0x00, 0xcc, /* 0x98-0x9f */
 139   0x00, 0xae, 0x00, 0xcd, 0x00, 0xaf, 0x00, 0xce, /* 0xa0-0xa7 */
 140   0x00, 0xcf, 0x00, 0xd0, 0x00, 0xd1, 0x00, 0xd2, /* 0xa8-0xaf */
 141   0x00, 0xbc, 0x00, 0xd3, 0x00, 0xbd, 0x00, 0xd4, /* 0xb0-0xb7 */
 142   0x00, 0xbe, 0x00, 0xd5, 0x00, 0xeb, 0x00, 0xd6, /* 0xb8-0xbf */
 143   0x00, 0xd7, 0x00, 0x00, 0x00, 0xd8, 0x00, 0x00, /* 0xc0-0xc7 */
 144   0x00, 0xdf, 0xc5, 0xd9, 0xec, 0xee, 0xed, 0xda, /* 0xc8-0xcf */
 145   0xf7, 0xba, 0x00, 0xe1, 0x00, 0xf8, 0x00, 0xe2, /* 0xd0-0xd7 */
 146   0x00, 0xfc, 0x00, 0xe3, 0x00, 0xfb, 0x00, 0xe4, /* 0xd8-0xdf */
 147   0x00, 0xef, 0x00, 0xe5, 0x00, 0xf2, 0x00, 0xe6, /* 0xe0-0xe7 */
 148   0x00, 0xf3, 0x00, 0xe7, 0xf4, 0xe8, 0x00, 0xe9, /* 0xe8-0xef */
 149   0xf5, 0xfd, 0xf6, 0xea, 0x00, 0xf9, 0xfa, 0x99, /* 0xf0-0xf7 */
 150   0x9a, 0x00, 0x00, 0x9d, 0x9e, 0x00, 0x00, 0x00, /* 0xf8-0xff */
 151 };
 152
 153 static int
 154 cp864_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
 155 {
 156   unsigned char c = 0;
 157   if (wc < 0x0020) {
 158     *r = wc;
 159     return 1;
 160   }
 161   else if (wc >= 0x0020 && wc < 0x0028)
 162     c = cp864_page00[wc-0x0020];
 163   else if (wc >= 0x0028 && wc < 0x0080)
 164     c = wc;
 165   else if (wc >= 0x00a0 && wc < 0x00f8)
 166     c = cp864_page00_1[wc-0x00a0];
 167   else if (wc == 0x03b2)
 168     c = 0x90;
 169   else if (wc == 0x03c6)
 170     c = 0x92;
 171   else if (wc >= 0x0608 && wc < 0x0670)
 172     c = cp864_page06[wc-0x0608];
 173   else if (wc >= 0x2218 && wc < 0x2250)
 174     c = cp864_page22[wc-0x2218];
 175   else if (wc >= 0x2500 && wc < 0x2540)
 176     c = cp864_page25[wc-0x2500];
 177   else if (wc == 0x2592)
 178     c = 0x84;
 179   else if (wc == 0x25a0)
 180     c = 0xfe;
 181   else if (wc >= 0xfe78 && wc < 0xff00)
 182     c = cp864_pagefe[wc-0xfe78];
 183   if (c != 0) {
 184     *r = c;
 185     return 1;
 186   }
 187   return RET_ILUNI;
 188 }