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Annotation of embedaddon/libiconv/lib/cp1252.h, revision 1.1.1.1

1.1       misho       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:  * CP1252
                     23:  */
                     24: 
                     25: static const unsigned short cp1252_2uni[32] = {
                     26:   /* 0x80 */
                     27:   0x20ac, 0xfffd, 0x201a, 0x0192, 0x201e, 0x2026, 0x2020, 0x2021,
                     28:   0x02c6, 0x2030, 0x0160, 0x2039, 0x0152, 0xfffd, 0x017d, 0xfffd,
                     29:   /* 0x90 */
                     30:   0xfffd, 0x2018, 0x2019, 0x201c, 0x201d, 0x2022, 0x2013, 0x2014,
                     31:   0x02dc, 0x2122, 0x0161, 0x203a, 0x0153, 0xfffd, 0x017e, 0x0178,
                     32: };
                     33: 
                     34: static int
                     35: cp1252_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
                     36: {
                     37:   unsigned char c = *s;
                     38:   if (c < 0x80 || c >= 0xa0) {
                     39:     *pwc = (ucs4_t) c;
                     40:     return 1;
                     41:   }
                     42:   else {
                     43:     unsigned short wc = cp1252_2uni[c-0x80];
                     44:     if (wc != 0xfffd) {
                     45:       *pwc = (ucs4_t) wc;
                     46:       return 1;
                     47:     }
                     48:   }
                     49:   return RET_ILSEQ;
                     50: }
                     51: 
                     52: static const unsigned char cp1252_page01[72] = {
                     53:   0x00, 0x00, 0x8c, 0x9c, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */
                     54:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x58-0x5f */
                     55:   0x8a, 0x9a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60-0x67 */
                     56:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */
                     57:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
                     58:   0x9f, 0x00, 0x00, 0x00, 0x00, 0x8e, 0x9e, 0x00, /* 0x78-0x7f */
                     59:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x80-0x87 */
                     60:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */
                     61:   0x00, 0x00, 0x83, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */
                     62: };
                     63: static const unsigned char cp1252_page02[32] = {
                     64:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88, 0x00, /* 0xc0-0xc7 */
                     65:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc8-0xcf */
                     66:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xd0-0xd7 */
                     67:   0x00, 0x00, 0x00, 0x00, 0x98, 0x00, 0x00, 0x00, /* 0xd8-0xdf */
                     68: };
                     69: static const unsigned char cp1252_page20[48] = {
                     70:   0x00, 0x00, 0x00, 0x96, 0x97, 0x00, 0x00, 0x00, /* 0x10-0x17 */
                     71:   0x91, 0x92, 0x82, 0x00, 0x93, 0x94, 0x84, 0x00, /* 0x18-0x1f */
                     72:   0x86, 0x87, 0x95, 0x00, 0x00, 0x00, 0x85, 0x00, /* 0x20-0x27 */
                     73:   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */
                     74:   0x89, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */
                     75:   0x00, 0x8b, 0x9b, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */
                     76: };
                     77: 
                     78: static int
                     79: cp1252_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
                     80: {
                     81:   unsigned char c = 0;
                     82:   if (wc < 0x0080) {
                     83:     *r = wc;
                     84:     return 1;
                     85:   }
                     86:   else if (wc >= 0x00a0 && wc < 0x0100)
                     87:     c = wc;
                     88:   else if (wc >= 0x0150 && wc < 0x0198)
                     89:     c = cp1252_page01[wc-0x0150];
                     90:   else if (wc >= 0x02c0 && wc < 0x02e0)
                     91:     c = cp1252_page02[wc-0x02c0];
                     92:   else if (wc >= 0x2010 && wc < 0x2040)
                     93:     c = cp1252_page20[wc-0x2010];
                     94:   else if (wc == 0x20ac)
                     95:     c = 0x80;
                     96:   else if (wc == 0x2122)
                     97:     c = 0x99;
                     98:   if (c != 0) {
                     99:     *r = c;
                    100:     return 1;
                    101:   }
                    102:   return RET_ILUNI;
                    103: }