lib/iso8859_8.h

   1 /*
   2  * Copyright (C) 1999-2001 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  * ISO-8859-8
  23  */
  24
  25 static const unsigned short iso8859_8_2uni[96] = {
  26   /* 0xa0 */
  27   0x00a0, 0xfffd, 0x00a2, 0x00a3, 0x00a4, 0x00a5, 0x00a6, 0x00a7,
  28   0x00a8, 0x00a9, 0x00d7, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x00af,
  29   /* 0xb0 */
  30   0x00b0, 0x00b1, 0x00b2, 0x00b3, 0x00b4, 0x00b5, 0x00b6, 0x00b7,
  31   0x00b8, 0x00b9, 0x00f7, 0x00bb, 0x00bc, 0x00bd, 0x00be, 0xfffd,
  32   /* 0xc0 */
  33   0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd,
  34   0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd,
  35   /* 0xd0 */
  36   0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd,
  37   0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0x2017,
  38   /* 0xe0 */
  39   0x05d0, 0x05d1, 0x05d2, 0x05d3, 0x05d4, 0x05d5, 0x05d6, 0x05d7,
  40   0x05d8, 0x05d9, 0x05da, 0x05db, 0x05dc, 0x05dd, 0x05de, 0x05df,
  41   /* 0xf0 */
  42   0x05e0, 0x05e1, 0x05e2, 0x05e3, 0x05e4, 0x05e5, 0x05e6, 0x05e7,
  43   0x05e8, 0x05e9, 0x05ea, 0xfffd, 0xfffd, 0x200e, 0x200f, 0xfffd,
  44 };
  45
  46 static int
  47 iso8859_8_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
  48 {
  49   unsigned char c = *s;
  50   if (c >= 0xa0) {
  51     unsigned short wc = iso8859_8_2uni[c-0xa0];
  52     if (wc != 0xfffd) {
  53       *pwc = (ucs4_t) wc;
  54       return 1;
  55     }
  56   }
  57   else {
  58     *pwc = (ucs4_t) c;
  59     return 1;
  60   }
  61   return RET_ILSEQ;
  62 }
  63
  64 static const unsigned char iso8859_8_page00[88] = {
  65   0xa0, 0x00, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, /* 0xa0-0xa7 */
  66   0xa8, 0xa9, 0x00, 0xab, 0xac, 0xad, 0xae, 0xaf, /* 0xa8-0xaf */
  67   0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, /* 0xb0-0xb7 */
  68   0xb8, 0xb9, 0x00, 0xbb, 0xbc, 0xbd, 0xbe, 0x00, /* 0xb8-0xbf */
  69   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc0-0xc7 */
  70   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc8-0xcf */
  71   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xaa, /* 0xd0-0xd7 */
  72   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xd8-0xdf */
  73   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xe0-0xe7 */
  74   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xe8-0xef */
  75   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xba, /* 0xf0-0xf7 */
  76 };
  77 static const unsigned char iso8859_8_page05[32] = {
  78   0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0xd0-0xd7 */
  79   0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, /* 0xd8-0xdf */
  80   0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xe0-0xe7 */
  81   0xf8, 0xf9, 0xfa, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xe8-0xef */
  82 };
  83 static const unsigned char iso8859_8_page20[16] = {
  84   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfd, 0xfe, /* 0x08-0x0f */
  85   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xdf, /* 0x10-0x17 */
  86 };
  87
  88 static int
  89 iso8859_8_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
  90 {
  91   unsigned char c = 0;
  92   if (wc < 0x00a0) {
  93     *r = wc;
  94     return 1;
  95   }
  96   else if (wc >= 0x00a0 && wc < 0x00f8)
  97     c = iso8859_8_page00[wc-0x00a0];
  98   else if (wc >= 0x05d0 && wc < 0x05f0)
  99     c = iso8859_8_page05[wc-0x05d0];
 100   else if (wc >= 0x2008 && wc < 0x2018)
 101     c = iso8859_8_page20[wc-0x2008];
 102   if (c != 0) {
 103     *r = c;
 104     return 1;
 105   }
 106   return RET_ILUNI;
 107 }