lib/iso8859_3.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-8859-3
  22  */
  23
  24 static const unsigned short iso8859_3_2uni[96] = {
  25   /* 0xa0 */
  26   0x00a0, 0x0126, 0x02d8, 0x00a3, 0x00a4, 0xfffd, 0x0124, 0x00a7,
  27   0x00a8, 0x0130, 0x015e, 0x011e, 0x0134, 0x00ad, 0xfffd, 0x017b,
  28   /* 0xb0 */
  29   0x00b0, 0x0127, 0x00b2, 0x00b3, 0x00b4, 0x00b5, 0x0125, 0x00b7,
  30   0x00b8, 0x0131, 0x015f, 0x011f, 0x0135, 0x00bd, 0xfffd, 0x017c,
  31   /* 0xc0 */
  32   0x00c0, 0x00c1, 0x00c2, 0xfffd, 0x00c4, 0x010a, 0x0108, 0x00c7,
  33   0x00c8, 0x00c9, 0x00ca, 0x00cb, 0x00cc, 0x00cd, 0x00ce, 0x00cf,
  34   /* 0xd0 */
  35   0xfffd, 0x00d1, 0x00d2, 0x00d3, 0x00d4, 0x0120, 0x00d6, 0x00d7,
  36   0x011c, 0x00d9, 0x00da, 0x00db, 0x00dc, 0x016c, 0x015c, 0x00df,
  37   /* 0xe0 */
  38   0x00e0, 0x00e1, 0x00e2, 0xfffd, 0x00e4, 0x010b, 0x0109, 0x00e7,
  39   0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee, 0x00ef,
  40   /* 0xf0 */
  41   0xfffd, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x0121, 0x00f6, 0x00f7,
  42   0x011d, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x016d, 0x015d, 0x02d9,
  43 };
  44
  45 static int
  46 iso8859_3_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     return 1;
  52   }
  53   else {
  54     unsigned short wc = iso8859_3_2uni[c-0xa0];
  55     if (wc != 0xfffd) {
  56       *pwc = (ucs4_t) wc;
  57       return 1;
  58     }
  59   }
  60   return RET_ILSEQ;
  61 }
  62
  63 static const unsigned char iso8859_3_page00[96] = {
  64   0xa0, 0x00, 0x00, 0xa3, 0xa4, 0x00, 0x00, 0xa7, /* 0xa0-0xa7 */
  65   0xa8, 0x00, 0x00, 0x00, 0x00, 0xad, 0x00, 0x00, /* 0xa8-0xaf */
  66   0xb0, 0x00, 0xb2, 0xb3, 0xb4, 0xb5, 0x00, 0xb7, /* 0xb0-0xb7 */
  67   0xb8, 0x00, 0x00, 0x00, 0x00, 0xbd, 0x00, 0x00, /* 0xb8-0xbf */
  68   0xc0, 0xc1, 0xc2, 0x00, 0xc4, 0x00, 0x00, 0xc7, /* 0xc0-0xc7 */
  69   0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0xc8-0xcf */
  70   0x00, 0xd1, 0xd2, 0xd3, 0xd4, 0x00, 0xd6, 0xd7, /* 0xd0-0xd7 */
  71   0x00, 0xd9, 0xda, 0xdb, 0xdc, 0x00, 0x00, 0xdf, /* 0xd8-0xdf */
  72   0xe0, 0xe1, 0xe2, 0x00, 0xe4, 0x00, 0x00, 0xe7, /* 0xe0-0xe7 */
  73   0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, /* 0xe8-0xef */
  74   0x00, 0xf1, 0xf2, 0xf3, 0xf4, 0x00, 0xf6, 0xf7, /* 0xf0-0xf7 */
  75   0x00, 0xf9, 0xfa, 0xfb, 0xfc, 0x00, 0x00, 0x00, /* 0xf8-0xff */
  76 };
  77 static const unsigned char iso8859_3_page01[120] = {
  78   0xc6, 0xe6, 0xc5, 0xe5, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */
  79   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */
  80   0x00, 0x00, 0x00, 0x00, 0xd8, 0xf8, 0xab, 0xbb, /* 0x18-0x1f */
  81   0xd5, 0xf5, 0x00, 0x00, 0xa6, 0xb6, 0xa1, 0xb1, /* 0x20-0x27 */
  82   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */
  83   0xa9, 0xb9, 0x00, 0x00, 0xac, 0xbc, 0x00, 0x00, /* 0x30-0x37 */
  84   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */
  85   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40-0x47 */
  86   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */
  87   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */
  88   0x00, 0x00, 0x00, 0x00, 0xde, 0xfe, 0xaa, 0xba, /* 0x58-0x5f */
  89   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60-0x67 */
  90   0x00, 0x00, 0x00, 0x00, 0xdd, 0xfd, 0x00, 0x00, /* 0x68-0x6f */
  91   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
  92   0x00, 0x00, 0x00, 0xaf, 0xbf, 0x00, 0x00, 0x00, /* 0x78-0x7f */
  93 };
  94 static const unsigned char iso8859_3_page02[8] = {
  95   0xa2, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xd8-0xdf */
  96 };
  97
  98 static int
  99 iso8859_3_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, size_t n)
 100 {
 101   unsigned char c = 0;
 102   if (wc < 0x00a0) {
 103     *r = wc;
 104     return 1;
 105   }
 106   else if (wc >= 0x00a0 && wc < 0x0100)
 107     c = iso8859_3_page00[wc-0x00a0];
 108   else if (wc >= 0x0108 && wc < 0x0180)
 109     c = iso8859_3_page01[wc-0x0108];
 110   else if (wc >= 0x02d8 && wc < 0x02e0)
 111     c = iso8859_3_page02[wc-0x02d8];
 112   if (c != 0) {
 113     *r = c;
 114     return 1;
 115   }
 116   return RET_ILUNI;
 117 }