lib/iso8859_5.h

   1 /*
   2  * Copyright (C) 1999-2001, 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  * ISO-8859-5
  22  */
  23
  24 static const unsigned short iso8859_5_2uni[96] = {
  25   /* 0xa0 */
  26   0x00a0, 0x0401, 0x0402, 0x0403, 0x0404, 0x0405, 0x0406, 0x0407,
  27   0x0408, 0x0409, 0x040a, 0x040b, 0x040c, 0x00ad, 0x040e, 0x040f,
  28   /* 0xb0 */
  29   0x0410, 0x0411, 0x0412, 0x0413, 0x0414, 0x0415, 0x0416, 0x0417,
  30   0x0418, 0x0419, 0x041a, 0x041b, 0x041c, 0x041d, 0x041e, 0x041f,
  31   /* 0xc0 */
  32   0x0420, 0x0421, 0x0422, 0x0423, 0x0424, 0x0425, 0x0426, 0x0427,
  33   0x0428, 0x0429, 0x042a, 0x042b, 0x042c, 0x042d, 0x042e, 0x042f,
  34   /* 0xd0 */
  35   0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437,
  36   0x0438, 0x0439, 0x043a, 0x043b, 0x043c, 0x043d, 0x043e, 0x043f,
  37   /* 0xe0 */
  38   0x0440, 0x0441, 0x0442, 0x0443, 0x0444, 0x0445, 0x0446, 0x0447,
  39   0x0448, 0x0449, 0x044a, 0x044b, 0x044c, 0x044d, 0x044e, 0x044f,
  40   /* 0xf0 */
  41   0x2116, 0x0451, 0x0452, 0x0453, 0x0454, 0x0455, 0x0456, 0x0457,
  42   0x0458, 0x0459, 0x045a, 0x045b, 0x045c, 0x00a7, 0x045e, 0x045f,
  43 };
  44
  45 static int
  46 iso8859_5_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, size_t n)
  47 {
  48   unsigned char c = *s;
  49   if (c < 0xa0)
  50     *pwc = (ucs4_t) c;
  51   else
  52     *pwc = (ucs4_t) iso8859_5_2uni[c-0xa0];
  53   return 1;
  54 }
  55
  56 static const unsigned char iso8859_5_page00[16] = {
  57   0xa0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfd, /* 0xa0-0xa7 */
  58   0x00, 0x00, 0x00, 0x00, 0x00, 0xad, 0x00, 0x00, /* 0xa8-0xaf */
  59 };
  60 static const unsigned char iso8859_5_page04[96] = {
  61   0x00, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, /* 0x00-0x07 */
  62   0xa8, 0xa9, 0xaa, 0xab, 0xac, 0x00, 0xae, 0xaf, /* 0x08-0x0f */
  63   0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, /* 0x10-0x17 */
  64   0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, /* 0x18-0x1f */
  65   0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0x20-0x27 */
  66   0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0x28-0x2f */
  67   0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0x30-0x37 */
  68   0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, /* 0x38-0x3f */
  69   0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0x40-0x47 */
  70   0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, /* 0x48-0x4f */
  71   0x00, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0x50-0x57 */
  72   0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0x00, 0xfe, 0xff, /* 0x58-0x5f */
  73 };
  74
  75 static int
  76 iso8859_5_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, size_t n)
  77 {
  78   unsigned char c = 0;
  79   if (wc < 0x00a0) {
  80     *r = wc;
  81     return 1;
  82   }
  83   else if (wc >= 0x00a0 && wc < 0x00b0)
  84     c = iso8859_5_page00[wc-0x00a0];
  85   else if (wc >= 0x0400 && wc < 0x0460)
  86     c = iso8859_5_page04[wc-0x0400];
  87   else if (wc == 0x2116)
  88     c = 0xf0;
  89   if (c != 0) {
  90     *r = c;
  91     return 1;
  92   }
  93   return RET_ILUNI;
  94 }