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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:  * CP1124
   23:  */
   24: 
   25: static const unsigned short cp1124_2uni[96] = {
   26:   /* 0xa0 */
   27:   0x00a0, 0x0401, 0x0402, 0x0490, 0x0404, 0x0405, 0x0406, 0x0407,
   28:   0x0408, 0x0409, 0x040a, 0x040b, 0x040c, 0x00ad, 0x040e, 0x040f,
   29:   /* 0xb0 */
   30:   0x0410, 0x0411, 0x0412, 0x0413, 0x0414, 0x0415, 0x0416, 0x0417,
   31:   0x0418, 0x0419, 0x041a, 0x041b, 0x041c, 0x041d, 0x041e, 0x041f,
   32:   /* 0xc0 */
   33:   0x0420, 0x0421, 0x0422, 0x0423, 0x0424, 0x0425, 0x0426, 0x0427,
   34:   0x0428, 0x0429, 0x042a, 0x042b, 0x042c, 0x042d, 0x042e, 0x042f,
   35:   /* 0xd0 */
   36:   0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437,
   37:   0x0438, 0x0439, 0x043a, 0x043b, 0x043c, 0x043d, 0x043e, 0x043f,
   38:   /* 0xe0 */
   39:   0x0440, 0x0441, 0x0442, 0x0443, 0x0444, 0x0445, 0x0446, 0x0447,
   40:   0x0448, 0x0449, 0x044a, 0x044b, 0x044c, 0x044d, 0x044e, 0x044f,
   41:   /* 0xf0 */
   42:   0x2116, 0x0451, 0x0452, 0x0491, 0x0454, 0x0455, 0x0456, 0x0457,
   43:   0x0458, 0x0459, 0x045a, 0x045b, 0x045c, 0x00a7, 0x045e, 0x045f,
   44: };
   45: 
   46: static int
   47: cp1124_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) cp1124_2uni[c-0xa0];
   54:   return 1;
   55: }
   56: 
   57: static const unsigned char cp1124_page00[16] = {
   58:   0xa0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfd, /* 0xa0-0xa7 */
   59:   0x00, 0x00, 0x00, 0x00, 0x00, 0xad, 0x00, 0x00, /* 0xa8-0xaf */
   60: };
   61: static const unsigned char cp1124_page04[152] = {
   62:   0x00, 0xa1, 0xa2, 0x00, 0xa4, 0xa5, 0xa6, 0xa7, /* 0x00-0x07 */
   63:   0xa8, 0xa9, 0xaa, 0xab, 0xac, 0x00, 0xae, 0xaf, /* 0x08-0x0f */
   64:   0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, /* 0x10-0x17 */
   65:   0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, /* 0x18-0x1f */
   66:   0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0x20-0x27 */
   67:   0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0x28-0x2f */
   68:   0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0x30-0x37 */
   69:   0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, /* 0x38-0x3f */
   70:   0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0x40-0x47 */
   71:   0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, /* 0x48-0x4f */
   72:   0x00, 0xf1, 0xf2, 0x00, 0xf4, 0xf5, 0xf6, 0xf7, /* 0x50-0x57 */
   73:   0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0x00, 0xfe, 0xff, /* 0x58-0x5f */
   74:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60-0x67 */
   75:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */
   76:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
   77:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x78-0x7f */
   78:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x80-0x87 */
   79:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */
   80:   0xa3, 0xf3, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */
   81: };
   82: 
   83: static int
   84: cp1124_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
   85: {
   86:   unsigned char c = 0;
   87:   if (wc < 0x00a0) {
   88:     *r = wc;
   89:     return 1;
   90:   }
   91:   else if (wc >= 0x00a0 && wc < 0x00b0)
   92:     c = cp1124_page00[wc-0x00a0];
   93:   else if (wc >= 0x0400 && wc < 0x0498)
   94:     c = cp1124_page04[wc-0x0400];
   95:   else if (wc == 0x2116)
   96:     c = 0xf0;
   97:   if (c != 0) {
   98:     *r = c;
   99:     return 1;
  100:   }
  101:   return RET_ILUNI;
  102: }