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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-8859-15
   23:  */
   24: 
   25: static const unsigned short iso8859_15_2uni[32] = {
   26:   /* 0xa0 */
   27:   0x00a0, 0x00a1, 0x00a2, 0x00a3, 0x20ac, 0x00a5, 0x0160, 0x00a7,
   28:   0x0161, 0x00a9, 0x00aa, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x00af,
   29:   /* 0xb0 */
   30:   0x00b0, 0x00b1, 0x00b2, 0x00b3, 0x017d, 0x00b5, 0x00b6, 0x00b7,
   31:   0x017e, 0x00b9, 0x00ba, 0x00bb, 0x0152, 0x0153, 0x0178, 0x00bf,
   32: };
   33: 
   34: static int
   35: iso8859_15_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
   36: {
   37:   unsigned char c = *s;
   38:   if (c >= 0xa0 && c < 0xc0)
   39:     *pwc = (ucs4_t) iso8859_15_2uni[c-0xa0];
   40:   else
   41:     *pwc = (ucs4_t) c;
   42:   return 1;
   43: }
   44: 
   45: static const unsigned char iso8859_15_page00[32] = {
   46:   0xa0, 0xa1, 0xa2, 0xa3, 0x00, 0xa5, 0x00, 0xa7, /* 0xa0-0xa7 */
   47:   0x00, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, /* 0xa8-0xaf */
   48:   0xb0, 0xb1, 0xb2, 0xb3, 0x00, 0xb5, 0xb6, 0xb7, /* 0xb0-0xb7 */
   49:   0x00, 0xb9, 0xba, 0xbb, 0x00, 0x00, 0x00, 0xbf, /* 0xb8-0xbf */
   50: };
   51: static const unsigned char iso8859_15_page01[48] = {
   52:   0x00, 0x00, 0xbc, 0xbd, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */
   53:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x58-0x5f */
   54:   0xa6, 0xa8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60-0x67 */
   55:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */
   56:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
   57:   0xbe, 0x00, 0x00, 0x00, 0x00, 0xb4, 0xb8, 0x00, /* 0x78-0x7f */
   58: };
   59: 
   60: static int
   61: iso8859_15_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
   62: {
   63:   unsigned char c = 0;
   64:   if (wc < 0x00a0) {
   65:     *r = wc;
   66:     return 1;
   67:   }
   68:   else if (wc >= 0x00a0 && wc < 0x00c0)
   69:     c = iso8859_15_page00[wc-0x00a0];
   70:   else if (wc >= 0x00c0 && wc < 0x0100)
   71:     c = wc;
   72:   else if (wc >= 0x0150 && wc < 0x0180)
   73:     c = iso8859_15_page01[wc-0x0150];
   74:   else if (wc == 0x20ac)
   75:     c = 0xa4;
   76:   if (c != 0) {
   77:     *r = c;
   78:     return 1;
   79:   }
   80:   return RET_ILUNI;
   81: }