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libiconv

    1: /*
    2:  * Copyright (C) 1999-2002 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:  * TDS565
   23:  */
   24: 
   25: static const unsigned short tds565_2uni[64] = {
   26:   /* 0x40 */
   27:   0x0040, 0x0041, 0x0042, 0x00c7, 0x0044, 0x0045, 0x00c4, 0x0046,
   28:   0x0047, 0x0048, 0x0049, 0x004a, 0x017d, 0x004b, 0x004c, 0x004d,
   29:   /* 0x50 */
   30:   0x004e, 0x0147, 0x004f, 0x00d6, 0x0050, 0x0052, 0x0053, 0x015e,
   31:   0x0054, 0x0055, 0x00dc, 0x0057, 0x0059, 0x00dd, 0x005a, 0x005f,
   32:   /* 0x60 */
   33:   0x2116, 0x0061, 0x0062, 0x00e7, 0x0064, 0x0065, 0x00e4, 0x0066,
   34:   0x0067, 0x0068, 0x0069, 0x006a, 0x017e, 0x006b, 0x006c, 0x006d,
   35:   /* 0x70 */
   36:   0x006e, 0x0148, 0x006f, 0x00f6, 0x0070, 0x0072, 0x0073, 0x015f,
   37:   0x0074, 0x0075, 0x00fc, 0x0077, 0x0079, 0x00fd, 0x007a, 0x007f,
   38: };
   39: 
   40: static int
   41: tds565_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
   42: {
   43:   unsigned char c = *s;
   44:   if (c < 0x40) {
   45:     *pwc = (ucs4_t) c;
   46:     return 1;
   47:   }
   48:   else if (c < 0x80) {
   49:     *pwc = (ucs4_t) tds565_2uni[c-0x40];
   50:     return 1;
   51:   }
   52:   return RET_ILSEQ;
   53: }
   54: 
   55: static const unsigned char tds565_page00[64] = {
   56:   0x40, 0x41, 0x42, 0x00, 0x44, 0x45, 0x47, 0x48, /* 0x40-0x47 */
   57:   0x49, 0x4a, 0x4b, 0x4d, 0x4e, 0x4f, 0x50, 0x52, /* 0x48-0x4f */
   58:   0x54, 0x00, 0x55, 0x56, 0x58, 0x59, 0x00, 0x5b, /* 0x50-0x57 */
   59:   0x00, 0x5c, 0x5e, 0x00, 0x00, 0x00, 0x00, 0x5f, /* 0x58-0x5f */
   60:   0x00, 0x61, 0x62, 0x00, 0x64, 0x65, 0x67, 0x68, /* 0x60-0x67 */
   61:   0x69, 0x6a, 0x6b, 0x6d, 0x6e, 0x6f, 0x70, 0x72, /* 0x68-0x6f */
   62:   0x74, 0x00, 0x75, 0x76, 0x78, 0x79, 0x00, 0x7b, /* 0x70-0x77 */
   63:   0x00, 0x7c, 0x7e, 0x00, 0x00, 0x00, 0x00, 0x7f, /* 0x78-0x7f */
   64: };
   65: static const unsigned char tds565_page00_1[64] = {
   66:   0x00, 0x00, 0x00, 0x00, 0x46, 0x00, 0x00, 0x43, /* 0xc0-0xc7 */
   67:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc8-0xcf */
   68:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x53, 0x00, /* 0xd0-0xd7 */
   69:   0x00, 0x00, 0x00, 0x00, 0x5a, 0x5d, 0x00, 0x00, /* 0xd8-0xdf */
   70:   0x00, 0x00, 0x00, 0x00, 0x66, 0x00, 0x00, 0x63, /* 0xe0-0xe7 */
   71:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xe8-0xef */
   72:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x73, 0x00, /* 0xf0-0xf7 */
   73:   0x00, 0x00, 0x00, 0x00, 0x7a, 0x7d, 0x00, 0x00, /* 0xf8-0xff */
   74: };
   75: static const unsigned char tds565_page01[64] = {
   76:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x51, /* 0x40-0x47 */
   77:   0x71, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */
   78:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */
   79:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x57, 0x77, /* 0x58-0x5f */
   80:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60-0x67 */
   81:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */
   82:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
   83:   0x00, 0x00, 0x00, 0x00, 0x00, 0x4c, 0x6c, 0x00, /* 0x78-0x7f */
   84: };
   85: 
   86: static int
   87: tds565_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
   88: {
   89:   unsigned char c = 0;
   90:   if (wc < 0x0040) {
   91:     *r = wc;
   92:     return 1;
   93:   }
   94:   else if (wc >= 0x0040 && wc < 0x0080)
   95:     c = tds565_page00[wc-0x0040];
   96:   else if (wc >= 0x00c0 && wc < 0x0100)
   97:     c = tds565_page00_1[wc-0x00c0];
   98:   else if (wc >= 0x0140 && wc < 0x0180)
   99:     c = tds565_page01[wc-0x0140];
  100:   else if (wc == 0x2116)
  101:     c = 0x60;
  102:   if (c != 0) {
  103:     *r = c;
  104:     return 1;
  105:   }
  106:   return RET_ILUNI;
  107: }