lib/cp1254.h

   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., 59 Temple Place -
  18  * Suite 330, Boston, MA 02111-1307, USA.
  19  */
  20
  21 /*
  22  * CP1254
  23  */
  24
  25 static const unsigned short cp1254_2uni_1[32] = {
  26   /* 0x80 */
  27   0x20ac, 0xfffd, 0x201a, 0x0192, 0x201e, 0x2026, 0x2020, 0x2021,
  28   0x02c6, 0x2030, 0x0160, 0x2039, 0x0152, 0xfffd, 0xfffd, 0xfffd,
  29   /* 0x90 */
  30   0xfffd, 0x2018, 0x2019, 0x201c, 0x201d, 0x2022, 0x2013, 0x2014,
  31   0x02dc, 0x2122, 0x0161, 0x203a, 0x0153, 0xfffd, 0xfffd, 0x0178,
  32 };
  33 static const unsigned short cp1254_2uni_2[16] = {
  34   /* 0xd0 */
  35   0x011e, 0x00d1, 0x00d2, 0x00d3, 0x00d4, 0x00d5, 0x00d6, 0x00d7,
  36   0x00d8, 0x00d9, 0x00da, 0x00db, 0x00dc, 0x0130, 0x015e, 0x00df,
  37 };
  38 static const unsigned short cp1254_2uni_3[16] = {
  39   /* 0xf0 */
  40   0x011f, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6, 0x00f7,
  41   0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x0131, 0x015f, 0x00ff,
  42 };
  43
  44 static int
  45 cp1254_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
  46 {
  47   unsigned char c = *s;
  48   if (c < 0x80) {
  49     *pwc = (ucs4_t) c;
  50     return 1;
  51   }
  52   else if (c < 0xa0) {
  53     unsigned short wc = cp1254_2uni_1[c-0x80];
  54     if (wc != 0xfffd) {
  55       *pwc = (ucs4_t) wc;
  56       return 1;
  57     }
  58   }
  59   else if (c < 0xd0) {
  60     *pwc = (ucs4_t) c;
  61     return 1;
  62   }
  63   else if (c < 0xe0) {
  64     *pwc = (ucs4_t) cp1254_2uni_2[c-0xd0];
  65     return 1;
  66   }
  67   else if (c < 0xf0) {
  68     *pwc = (ucs4_t) c;
  69     return 1;
  70   }
  71   else {
  72     *pwc = (ucs4_t) cp1254_2uni_3[c-0xf0];
  73     return 1;
  74   }
  75   return RET_ILSEQ;
  76 }
  77
  78 static const unsigned char cp1254_page00[48] = {
  79   0x00, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0xd0-0xd7 */
  80   0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0x00, 0x00, 0xdf, /* 0xd8-0xdf */
  81   0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0xe0-0xe7 */
  82   0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, /* 0xe8-0xef */
  83   0x00, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xf0-0xf7 */
  84   0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0x00, 0x00, 0xff, /* 0xf8-0xff */
  85 };
  86 static const unsigned char cp1254_page01[128] = {
  87   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xd0, 0xf0, /* 0x18-0x1f */
  88   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */
  89   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */
  90   0xdd, 0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */
  91   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */
  92   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40-0x47 */
  93   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */
  94   0x00, 0x00, 0x8c, 0x9c, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */
  95   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xde, 0xfe, /* 0x58-0x5f */
  96   0x8a, 0x9a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60-0x67 */
  97   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */
  98   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
  99   0x9f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x78-0x7f */
 100   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x80-0x87 */
 101   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */
 102   0x00, 0x00, 0x83, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */
 103 };
 104 static const unsigned char cp1254_page02[32] = {
 105   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88, 0x00, /* 0xc0-0xc7 */
 106   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc8-0xcf */
 107   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xd0-0xd7 */
 108   0x00, 0x00, 0x00, 0x00, 0x98, 0x00, 0x00, 0x00, /* 0xd8-0xdf */
 109 };
 110 static const unsigned char cp1254_page20[48] = {
 111   0x00, 0x00, 0x00, 0x96, 0x97, 0x00, 0x00, 0x00, /* 0x10-0x17 */
 112   0x91, 0x92, 0x82, 0x00, 0x93, 0x94, 0x84, 0x00, /* 0x18-0x1f */
 113   0x86, 0x87, 0x95, 0x00, 0x00, 0x00, 0x85, 0x00, /* 0x20-0x27 */
 114   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */
 115   0x89, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */
 116   0x00, 0x8b, 0x9b, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */
 117 };
 118
 119 static int
 120 cp1254_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
 121 {
 122   unsigned char c = 0;
 123   if (wc < 0x0080) {
 124     *r = wc;
 125     return 1;
 126   }
 127   else if (wc >= 0x00a0 && wc < 0x00d0)
 128     c = wc;
 129   else if (wc >= 0x00d0 && wc < 0x0100)
 130     c = cp1254_page00[wc-0x00d0];
 131   else if (wc >= 0x0118 && wc < 0x0198)
 132     c = cp1254_page01[wc-0x0118];
 133   else if (wc >= 0x02c0 && wc < 0x02e0)
 134     c = cp1254_page02[wc-0x02c0];
 135   else if (wc >= 0x2010 && wc < 0x2040)
 136     c = cp1254_page20[wc-0x2010];
 137   else if (wc == 0x20ac)
 138     c = 0x80;
 139   else if (wc == 0x2122)
 140     c = 0x99;
 141   if (c != 0) {
 142     *r = c;
 143     return 1;
 144   }
 145   return RET_ILUNI;
 146 }