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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-8859-4
   23:  */
   24: 
   25: static const unsigned short iso8859_4_2uni[96] = {
   26:   /* 0xa0 */
   27:   0x00a0, 0x0104, 0x0138, 0x0156, 0x00a4, 0x0128, 0x013b, 0x00a7,
   28:   0x00a8, 0x0160, 0x0112, 0x0122, 0x0166, 0x00ad, 0x017d, 0x00af,
   29:   /* 0xb0 */
   30:   0x00b0, 0x0105, 0x02db, 0x0157, 0x00b4, 0x0129, 0x013c, 0x02c7,
   31:   0x00b8, 0x0161, 0x0113, 0x0123, 0x0167, 0x014a, 0x017e, 0x014b,
   32:   /* 0xc0 */
   33:   0x0100, 0x00c1, 0x00c2, 0x00c3, 0x00c4, 0x00c5, 0x00c6, 0x012e,
   34:   0x010c, 0x00c9, 0x0118, 0x00cb, 0x0116, 0x00cd, 0x00ce, 0x012a,
   35:   /* 0xd0 */
   36:   0x0110, 0x0145, 0x014c, 0x0136, 0x00d4, 0x00d5, 0x00d6, 0x00d7,
   37:   0x00d8, 0x0172, 0x00da, 0x00db, 0x00dc, 0x0168, 0x016a, 0x00df,
   38:   /* 0xe0 */
   39:   0x0101, 0x00e1, 0x00e2, 0x00e3, 0x00e4, 0x00e5, 0x00e6, 0x012f,
   40:   0x010d, 0x00e9, 0x0119, 0x00eb, 0x0117, 0x00ed, 0x00ee, 0x012b,
   41:   /* 0xf0 */
   42:   0x0111, 0x0146, 0x014d, 0x0137, 0x00f4, 0x00f5, 0x00f6, 0x00f7,
   43:   0x00f8, 0x0173, 0x00fa, 0x00fb, 0x00fc, 0x0169, 0x016b, 0x02d9,
   44: };
   45: 
   46: static int
   47: iso8859_4_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
   48: {
   49:   unsigned char c = *s;
   50:   if (c < 0xa0)
   51:     *pwc = (ucs4_t) c;
   52:   else
   53:     *pwc = (ucs4_t) iso8859_4_2uni[c-0xa0];
   54:   return 1;
   55: }
   56: 
   57: static const unsigned char iso8859_4_page00[224] = {
   58:   0xa0, 0x00, 0x00, 0x00, 0xa4, 0x00, 0x00, 0xa7, /* 0xa0-0xa7 */
   59:   0xa8, 0x00, 0x00, 0x00, 0x00, 0xad, 0x00, 0xaf, /* 0xa8-0xaf */
   60:   0xb0, 0x00, 0x00, 0x00, 0xb4, 0x00, 0x00, 0x00, /* 0xb0-0xb7 */
   61:   0xb8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xb8-0xbf */
   62:   0x00, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0x00, /* 0xc0-0xc7 */
   63:   0x00, 0xc9, 0x00, 0xcb, 0x00, 0xcd, 0xce, 0x00, /* 0xc8-0xcf */
   64:   0x00, 0x00, 0x00, 0x00, 0xd4, 0xd5, 0xd6, 0xd7, /* 0xd0-0xd7 */
   65:   0xd8, 0x00, 0xda, 0xdb, 0xdc, 0x00, 0x00, 0xdf, /* 0xd8-0xdf */
   66:   0x00, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0x00, /* 0xe0-0xe7 */
   67:   0x00, 0xe9, 0x00, 0xeb, 0x00, 0xed, 0xee, 0x00, /* 0xe8-0xef */
   68:   0x00, 0x00, 0x00, 0x00, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xf0-0xf7 */
   69:   0xf8, 0x00, 0xfa, 0xfb, 0xfc, 0x00, 0x00, 0x00, /* 0xf8-0xff */
   70:   /* 0x0100 */
   71:   0xc0, 0xe0, 0x00, 0x00, 0xa1, 0xb1, 0x00, 0x00, /* 0x00-0x07 */
   72:   0x00, 0x00, 0x00, 0x00, 0xc8, 0xe8, 0x00, 0x00, /* 0x08-0x0f */
   73:   0xd0, 0xf0, 0xaa, 0xba, 0x00, 0x00, 0xcc, 0xec, /* 0x10-0x17 */
   74:   0xca, 0xea, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x18-0x1f */
   75:   0x00, 0x00, 0xab, 0xbb, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */
   76:   0xa5, 0xb5, 0xcf, 0xef, 0x00, 0x00, 0xc7, 0xe7, /* 0x28-0x2f */
   77:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xd3, 0xf3, /* 0x30-0x37 */
   78:   0xa2, 0x00, 0x00, 0xa6, 0xb6, 0x00, 0x00, 0x00, /* 0x38-0x3f */
   79:   0x00, 0x00, 0x00, 0x00, 0x00, 0xd1, 0xf1, 0x00, /* 0x40-0x47 */
   80:   0x00, 0x00, 0xbd, 0xbf, 0xd2, 0xf2, 0x00, 0x00, /* 0x48-0x4f */
   81:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa3, 0xb3, /* 0x50-0x57 */
   82:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x58-0x5f */
   83:   0xa9, 0xb9, 0x00, 0x00, 0x00, 0x00, 0xac, 0xbc, /* 0x60-0x67 */
   84:   0xdd, 0xfd, 0xde, 0xfe, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */
   85:   0x00, 0x00, 0xd9, 0xf9, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
   86:   0x00, 0x00, 0x00, 0x00, 0x00, 0xae, 0xbe, 0x00, /* 0x78-0x7f */
   87: };
   88: static const unsigned char iso8859_4_page02[32] = {
   89:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xb7, /* 0xc0-0xc7 */
   90:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc8-0xcf */
   91:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xd0-0xd7 */
   92:   0x00, 0xff, 0x00, 0xb2, 0x00, 0x00, 0x00, 0x00, /* 0xd8-0xdf */
   93: };
   94: 
   95: static int
   96: iso8859_4_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
   97: {
   98:   unsigned char c = 0;
   99:   if (wc < 0x00a0) {
  100:     *r = wc;
  101:     return 1;
  102:   }
  103:   else if (wc >= 0x00a0 && wc < 0x0180)
  104:     c = iso8859_4_page00[wc-0x00a0];
  105:   else if (wc >= 0x02c0 && wc < 0x02e0)
  106:     c = iso8859_4_page02[wc-0x02c0];
  107:   if (c != 0) {
  108:     *r = c;
  109:     return 1;
  110:   }
  111:   return RET_ILUNI;
  112: }