lib/koi8_ru.h

   1 /*
   2  * Copyright (C) 1999-2000 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  * KOI8-RU
  23  */
  24
  25 static const unsigned short koi8_ru_2uni[128] = {
  26   /* 0x80 */
  27   0x2500, 0x2502, 0x250c, 0x2510, 0x2514, 0x2518, 0x251c, 0x2524,
  28   0x252c, 0x2534, 0x253c, 0x2580, 0x2584, 0x2588, 0x258c, 0x2590,
  29   /* 0x90 */
  30   0x2591, 0x2592, 0x2593, 0x2320, 0x25a0, 0x2219, 0x221a, 0x2248,
  31   0x2264, 0x2265, 0x00a0, 0x2321, 0x00b0, 0x00b2, 0x00b7, 0x00f7,
  32   /* 0xa0 */
  33   0x2550, 0x2551, 0x2552, 0x0451, 0x0454, 0x2554, 0x0456, 0x0457,
  34   0x2557, 0x2558, 0x2559, 0x255a, 0x255b, 0x0491, 0x045e, 0x255e,
  35   /* 0xb0 */
  36   0x255f, 0x2560, 0x2561, 0x0401, 0x0404, 0x2563, 0x0406, 0x0407,
  37   0x2566, 0x2567, 0x2568, 0x2569, 0x256a, 0x0490, 0x040e, 0x00a9,
  38   /* 0xc0 */
  39   0x044e, 0x0430, 0x0431, 0x0446, 0x0434, 0x0435, 0x0444, 0x0433,
  40   0x0445, 0x0438, 0x0439, 0x043a, 0x043b, 0x043c, 0x043d, 0x043e,
  41   /* 0xd0 */
  42   0x043f, 0x044f, 0x0440, 0x0441, 0x0442, 0x0443, 0x0436, 0x0432,
  43   0x044c, 0x044b, 0x0437, 0x0448, 0x044d, 0x0449, 0x0447, 0x044a,
  44   /* 0xe0 */
  45   0x042e, 0x0410, 0x0411, 0x0426, 0x0414, 0x0415, 0x0424, 0x0413,
  46   0x0425, 0x0418, 0x0419, 0x041a, 0x041b, 0x041c, 0x041d, 0x041e,
  47   /* 0xf0 */
  48   0x041f, 0x042f, 0x0420, 0x0421, 0x0422, 0x0423, 0x0416, 0x0412,
  49   0x042c, 0x042b, 0x0417, 0x0428, 0x042d, 0x0429, 0x0427, 0x042a,
  50 };
  51
  52 static int
  53 koi8_ru_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
  54 {
  55   unsigned char c = *s;
  56   if (c < 0x80)
  57     *pwc = (ucs4_t) c;
  58   else
  59     *pwc = (ucs4_t) koi8_ru_2uni[c-0x80];
  60   return 1;
  61 }
  62
  63 static const unsigned char koi8_ru_page00[88] = {
  64   0x9a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */
  65   0x00, 0xbf, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa8-0xaf */
  66   0x9c, 0x00, 0x9d, 0x00, 0x00, 0x00, 0x00, 0x9e, /* 0xb0-0xb7 */
  67   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xb8-0xbf */
  68   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc0-0xc7 */
  69   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc8-0xcf */
  70   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xd0-0xd7 */
  71   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xd8-0xdf */
  72   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xe0-0xe7 */
  73   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xe8-0xef */
  74   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9f, /* 0xf0-0xf7 */
  75 };
  76 static const unsigned char koi8_ru_page04[152] = {
  77   0x00, 0xb3, 0x00, 0x00, 0xb4, 0x00, 0xb6, 0xb7, /* 0x00-0x07 */
  78   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xbe, 0x00, /* 0x08-0x0f */
  79   0xe1, 0xe2, 0xf7, 0xe7, 0xe4, 0xe5, 0xf6, 0xfa, /* 0x10-0x17 */
  80   0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 0xf0, /* 0x18-0x1f */
  81   0xf2, 0xf3, 0xf4, 0xf5, 0xe6, 0xe8, 0xe3, 0xfe, /* 0x20-0x27 */
  82   0xfb, 0xfd, 0xff, 0xf9, 0xf8, 0xfc, 0xe0, 0xf1, /* 0x28-0x2f */
  83   0xc1, 0xc2, 0xd7, 0xc7, 0xc4, 0xc5, 0xd6, 0xda, /* 0x30-0x37 */
  84   0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0, /* 0x38-0x3f */
  85   0xd2, 0xd3, 0xd4, 0xd5, 0xc6, 0xc8, 0xc3, 0xde, /* 0x40-0x47 */
  86   0xdb, 0xdd, 0xdf, 0xd9, 0xd8, 0xdc, 0xc0, 0xd1, /* 0x48-0x4f */
  87   0x00, 0xa3, 0x00, 0x00, 0xa4, 0x00, 0xa6, 0xa7, /* 0x50-0x57 */
  88   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xae, 0x00, /* 0x58-0x5f */
  89   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60-0x67 */
  90   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */
  91   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
  92   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x78-0x7f */
  93   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x80-0x87 */
  94   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */
  95   0xbd, 0xad, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */
  96 };
  97 static const unsigned char koi8_ru_page22[80] = {
  98   0x00, 0x95, 0x96, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x18-0x1f */
  99   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */
 100   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */
 101   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */
 102   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */
 103   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40-0x47 */
 104   0x97, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */
 105   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */
 106   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x58-0x5f */
 107   0x00, 0x00, 0x00, 0x00, 0x98, 0x99, 0x00, 0x00, /* 0x60-0x67 */
 108 };
 109 static const unsigned char koi8_ru_page23[8] = {
 110   0x93, 0x9b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */
 111 };
 112 static const unsigned char koi8_ru_page25[168] = {
 113   0x80, 0x00, 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */
 114   0x00, 0x00, 0x00, 0x00, 0x82, 0x00, 0x00, 0x00, /* 0x08-0x0f */
 115   0x83, 0x00, 0x00, 0x00, 0x84, 0x00, 0x00, 0x00, /* 0x10-0x17 */
 116   0x85, 0x00, 0x00, 0x00, 0x86, 0x00, 0x00, 0x00, /* 0x18-0x1f */
 117   0x00, 0x00, 0x00, 0x00, 0x87, 0x00, 0x00, 0x00, /* 0x20-0x27 */
 118   0x00, 0x00, 0x00, 0x00, 0x88, 0x00, 0x00, 0x00, /* 0x28-0x2f */
 119   0x00, 0x00, 0x00, 0x00, 0x89, 0x00, 0x00, 0x00, /* 0x30-0x37 */
 120   0x00, 0x00, 0x00, 0x00, 0x8a, 0x00, 0x00, 0x00, /* 0x38-0x3f */
 121   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40-0x47 */
 122   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */
 123   0xa0, 0xa1, 0xa2, 0x00, 0xa5, 0x00, 0x00, 0xa8, /* 0x50-0x57 */
 124   0xa9, 0xaa, 0xab, 0xac, 0x00, 0x00, 0xaf, 0xb0, /* 0x58-0x5f */
 125   0xb1, 0xb2, 0x00, 0xb5, 0x00, 0x00, 0xb8, 0xb9, /* 0x60-0x67 */
 126   0xba, 0xbb, 0xbc, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */
 127   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
 128   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x78-0x7f */
 129   0x8b, 0x00, 0x00, 0x00, 0x8c, 0x00, 0x00, 0x00, /* 0x80-0x87 */
 130   0x8d, 0x00, 0x00, 0x00, 0x8e, 0x00, 0x00, 0x00, /* 0x88-0x8f */
 131   0x8f, 0x90, 0x91, 0x92, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */
 132   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x98-0x9f */
 133   0x94, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */
 134 };
 135
 136 static int
 137 koi8_ru_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
 138 {
 139   unsigned char c = 0;
 140   if (wc < 0x0080) {
 141     *r = wc;
 142     return 1;
 143   }
 144   else if (wc >= 0x00a0 && wc < 0x00f8)
 145     c = koi8_ru_page00[wc-0x00a0];
 146   else if (wc >= 0x0400 && wc < 0x0498)
 147     c = koi8_ru_page04[wc-0x0400];
 148   else if (wc >= 0x2218 && wc < 0x2268)
 149     c = koi8_ru_page22[wc-0x2218];
 150   else if (wc >= 0x2320 && wc < 0x2328)
 151     c = koi8_ru_page23[wc-0x2320];
 152   else if (wc >= 0x2500 && wc < 0x25a8)
 153     c = koi8_ru_page25[wc-0x2500];
 154   if (c != 0) {
 155     *r = c;
 156     return 1;
 157   }
 158   return RET_ILSEQ;
 159 }