lib/pt154.h

   1 /*
   2  * Copyright (C) 1999-2005, 2016 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 Lesser General Public
   7  * License as published by the Free Software Foundation; either version 2.1
   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  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with the GNU LIBICONV Library; see the file COPYING.LIB.
  17  * If not, see <https://www.gnu.org/licenses/>.
  18  */
  19
  20 /*
  21  * PT154
  22  */
  23
  24 static const unsigned short pt154_2uni[64] = {
  25   /* 0x80 */
  26   0x0496, 0x0492, 0x04ee, 0x0493, 0x201e, 0x2026, 0x04b6, 0x04ae,
  27   0x04b2, 0x04af, 0x04a0, 0x04e2, 0x04a2, 0x049a, 0x04ba, 0x04b8,
  28   /* 0x90 */
  29   0x0497, 0x2018, 0x2019, 0x201c, 0x201d, 0x2022, 0x2013, 0x2014,
  30   0x04b3, 0x04b7, 0x04a1, 0x04e3, 0x04a3, 0x049b, 0x04bb, 0x04b9,
  31   /* 0xa0 */
  32   0x00a0, 0x040e, 0x045e, 0x0408, 0x04e8, 0x0498, 0x04b0, 0x00a7,
  33   0x0401, 0x00a9, 0x04d8, 0x00ab, 0x00ac, 0x04ef, 0x00ae, 0x049c,
  34   /* 0xb0 */
  35   0x00b0, 0x04b1, 0x0406, 0x0456, 0x0499, 0x04e9, 0x00b6, 0x00b7,
  36   0x0451, 0x2116, 0x04d9, 0x00bb, 0x0458, 0x04aa, 0x04ab, 0x049d,
  37 };
  38
  39 static int
  40 pt154_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, size_t n)
  41 {
  42   unsigned char c = *s;
  43   if (c < 0x80)
  44     *pwc = (ucs4_t) c;
  45   else if (c >= 0xc0)
  46     *pwc = (ucs4_t) c + 0x0350;
  47   else
  48     *pwc = (ucs4_t) pt154_2uni[c-0x80];
  49   return 1;
  50 }
  51
  52 static const unsigned char pt154_page00[32] = {
  53   0xa0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa7, /* 0xa0-0xa7 */
  54   0x00, 0xa9, 0x00, 0xab, 0xac, 0x00, 0xae, 0x00, /* 0xa8-0xaf */
  55   0xb0, 0x00, 0x00, 0x00, 0x00, 0x00, 0xb6, 0xb7, /* 0xb0-0xb7 */
  56   0x00, 0x00, 0x00, 0xbb, 0x00, 0x00, 0x00, 0x00, /* 0xb8-0xbf */
  57 };
  58 static const unsigned char pt154_page04[240] = {
  59   0x00, 0xa8, 0x00, 0x00, 0x00, 0x00, 0xb2, 0x00, /* 0x00-0x07 */
  60   0xa3, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa1, 0x00, /* 0x08-0x0f */
  61   0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0x10-0x17 */
  62   0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0x18-0x1f */
  63   0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0x20-0x27 */
  64   0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, /* 0x28-0x2f */
  65   0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0x30-0x37 */
  66   0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, /* 0x38-0x3f */
  67   0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0x40-0x47 */
  68   0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, /* 0x48-0x4f */
  69   0x00, 0xb8, 0x00, 0x00, 0x00, 0x00, 0xb3, 0x00, /* 0x50-0x57 */
  70   0xbc, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa2, 0x00, /* 0x58-0x5f */
  71   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60-0x67 */
  72   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */
  73   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
  74   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x78-0x7f */
  75   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x80-0x87 */
  76   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */
  77   0x00, 0x00, 0x81, 0x83, 0x00, 0x00, 0x80, 0x90, /* 0x90-0x97 */
  78   0xa5, 0xb4, 0x8d, 0x9d, 0xaf, 0xbf, 0x00, 0x00, /* 0x98-0x9f */
  79   0x8a, 0x9a, 0x8c, 0x9c, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */
  80   0x00, 0x00, 0xbd, 0xbe, 0x00, 0x00, 0x87, 0x89, /* 0xa8-0xaf */
  81   0xa6, 0xb1, 0x88, 0x98, 0x00, 0x00, 0x86, 0x99, /* 0xb0-0xb7 */
  82   0x8f, 0x9f, 0x8e, 0x9e, 0x00, 0x00, 0x00, 0x00, /* 0xb8-0xbf */
  83   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc0-0xc7 */
  84   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc8-0xcf */
  85   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xd0-0xd7 */
  86   0xaa, 0xba, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xd8-0xdf */
  87   0x00, 0x00, 0x8b, 0x9b, 0x00, 0x00, 0x00, 0x00, /* 0xe0-0xe7 */
  88   0xa4, 0xb5, 0x00, 0x00, 0x00, 0x00, 0x82, 0xad, /* 0xe8-0xef */
  89 };
  90 static const unsigned char pt154_page20[24] = {
  91   0x00, 0x00, 0x00, 0x96, 0x97, 0x00, 0x00, 0x00, /* 0x10-0x17 */
  92   0x91, 0x92, 0x00, 0x00, 0x93, 0x94, 0x84, 0x00, /* 0x18-0x1f */
  93   0x00, 0x00, 0x95, 0x00, 0x00, 0x00, 0x85, 0x00, /* 0x20-0x27 */
  94 };
  95
  96 static int
  97 pt154_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, size_t n)
  98 {
  99   unsigned char c = 0;
 100   if (wc < 0x0080) {
 101     *r = wc;
 102     return 1;
 103   }
 104   else if (wc >= 0x00a0 && wc < 0x00c0)
 105     c = pt154_page00[wc-0x00a0];
 106   else if (wc >= 0x0400 && wc < 0x04f0)
 107     c = pt154_page04[wc-0x0400];
 108   else if (wc >= 0x2010 && wc < 0x2028)
 109     c = pt154_page20[wc-0x2010];
 110   else if (wc == 0x2116)
 111     c = 0xb9;
 112   if (c != 0) {
 113     *r = c;
 114     return 1;
 115   }
 116   return RET_ILUNI;
 117 }