lib/cp1163.h

   1 /*
   2  * Copyright (C) 1999-2002, 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  * CP1163
  22  */
  23
  24 static int
  25 cp1163_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, size_t n)
  26 {
  27   unsigned char c = *s;
  28   if (c < 0xa0)
  29     *pwc = (ucs4_t) c;
  30   else if (c == 0xa4)
  31     *pwc = 0x20ac;
  32   else
  33     *pwc = (ucs4_t) cp1129_2uni[c-0xa0];
  34   return 1;
  35 }
  36
  37 static const unsigned char cp1163_page20[8] = {
  38   0x00, 0x00, 0x00, 0xfe, 0xa4, 0x00, 0x00, 0x00, /* 0xa8-0xaf */
  39 };
  40
  41 static int
  42 cp1163_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, size_t n)
  43 {
  44   unsigned char c = 0;
  45   if (wc < 0x00a0 || (wc < 0x00a8 && wc != 0x00a4) || wc == 0x00d0) {
  46     *r = wc;
  47     return 1;
  48   }
  49   else if (wc >= 0x00a8 && wc < 0x01b8)
  50     c = cp1129_page00[wc-0x00a8];
  51   else if (wc >= 0x0300 && wc < 0x0328)
  52     c = cp1129_page03[wc-0x0300];
  53   else if (wc == 0x203e)
  54     c = 0xaf;
  55   else if (wc >= 0x20a8 && wc < 0x20b0)
  56     c = cp1163_page20[wc-0x20a8];
  57   if (c != 0) {
  58     *r = c;
  59     return 1;
  60   }
  61   return RET_ILUNI;
  62 }