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libiconv

    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., 51 Franklin Street,
   18:  * Fifth Floor, Boston, MA 02110-1301, 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: }