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thodg/libiconv/lib/cp1254.h

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  • Author : Bruno Haible
    Date : 2021-06-06 11:51:12
    Hash : 91f96be0
    Message : Change the license of the library from LGPL 2.0 to LGPL 2.1.

  • lib/cp1254.h
  • /*
     * Copyright (C) 1999-2001, 2016 Free Software Foundation, Inc.
     * This file is part of the GNU LIBICONV Library.
     *
     * The GNU LIBICONV Library is free software; you can redistribute it
     * and/or modify it under the terms of the GNU Lesser General Public
     * License as published by the Free Software Foundation; either version 2.1
     * of the License, or (at your option) any later version.
     *
     * The GNU LIBICONV Library is distributed in the hope that it will be
     * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     * Lesser General Public License for more details.
     *
     * You should have received a copy of the GNU Lesser General Public
     * License along with the GNU LIBICONV Library; see the file COPYING.LIB.
     * If not, see <https://www.gnu.org/licenses/>.
     */
    
    /*
     * CP1254
     */
    
    static const unsigned short cp1254_2uni_1[32] = {
      /* 0x80 */
      0x20ac, 0xfffd, 0x201a, 0x0192, 0x201e, 0x2026, 0x2020, 0x2021,
      0x02c6, 0x2030, 0x0160, 0x2039, 0x0152, 0xfffd, 0xfffd, 0xfffd,
      /* 0x90 */
      0xfffd, 0x2018, 0x2019, 0x201c, 0x201d, 0x2022, 0x2013, 0x2014,
      0x02dc, 0x2122, 0x0161, 0x203a, 0x0153, 0xfffd, 0xfffd, 0x0178,
    };
    static const unsigned short cp1254_2uni_2[16] = {
      /* 0xd0 */
      0x011e, 0x00d1, 0x00d2, 0x00d3, 0x00d4, 0x00d5, 0x00d6, 0x00d7,
      0x00d8, 0x00d9, 0x00da, 0x00db, 0x00dc, 0x0130, 0x015e, 0x00df,
    };
    static const unsigned short cp1254_2uni_3[16] = {
      /* 0xf0 */
      0x011f, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6, 0x00f7,
      0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x0131, 0x015f, 0x00ff,
    };
    
    static int
    cp1254_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, size_t n)
    {
      unsigned char c = *s;
      if (c < 0x80) {
        *pwc = (ucs4_t) c;
        return 1;
      }
      else if (c < 0xa0) {
        unsigned short wc = cp1254_2uni_1[c-0x80];
        if (wc != 0xfffd) {
          *pwc = (ucs4_t) wc;
          return 1;
        }
      }
      else if (c < 0xd0) {
        *pwc = (ucs4_t) c;
        return 1;
      }
      else if (c < 0xe0) {
        *pwc = (ucs4_t) cp1254_2uni_2[c-0xd0];
        return 1;
      }
      else if (c < 0xf0) {
        *pwc = (ucs4_t) c;
        return 1;
      }
      else {
        *pwc = (ucs4_t) cp1254_2uni_3[c-0xf0];
        return 1;
      }
      return RET_ILSEQ;
    }
    
    static const unsigned char cp1254_page00[48] = {
      0x00, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0xd0-0xd7 */
      0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0x00, 0x00, 0xdf, /* 0xd8-0xdf */
      0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0xe0-0xe7 */
      0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, /* 0xe8-0xef */
      0x00, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xf0-0xf7 */
      0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0x00, 0x00, 0xff, /* 0xf8-0xff */
    };
    static const unsigned char cp1254_page01[128] = {
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xd0, 0xf0, /* 0x18-0x1f */
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */
      0xdd, 0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40-0x47 */
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */
      0x00, 0x00, 0x8c, 0x9c, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xde, 0xfe, /* 0x58-0x5f */
      0x8a, 0x9a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60-0x67 */
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
      0x9f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x78-0x7f */
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x80-0x87 */
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */
      0x00, 0x00, 0x83, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */
    };
    static const unsigned char cp1254_page02[32] = {
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88, 0x00, /* 0xc0-0xc7 */
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc8-0xcf */
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xd0-0xd7 */
      0x00, 0x00, 0x00, 0x00, 0x98, 0x00, 0x00, 0x00, /* 0xd8-0xdf */
    };
    static const unsigned char cp1254_page20[48] = {
      0x00, 0x00, 0x00, 0x96, 0x97, 0x00, 0x00, 0x00, /* 0x10-0x17 */
      0x91, 0x92, 0x82, 0x00, 0x93, 0x94, 0x84, 0x00, /* 0x18-0x1f */
      0x86, 0x87, 0x95, 0x00, 0x00, 0x00, 0x85, 0x00, /* 0x20-0x27 */
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */
      0x89, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */
      0x00, 0x8b, 0x9b, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */
    };
    
    static int
    cp1254_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, size_t n)
    {
      unsigned char c = 0;
      if (wc < 0x0080) {
        *r = wc;
        return 1;
      }
      else if (wc >= 0x00a0 && wc < 0x00d0)
        c = wc;
      else if (wc >= 0x00d0 && wc < 0x0100)
        c = cp1254_page00[wc-0x00d0];
      else if (wc >= 0x0118 && wc < 0x0198)
        c = cp1254_page01[wc-0x0118];
      else if (wc >= 0x02c0 && wc < 0x02e0)
        c = cp1254_page02[wc-0x02c0];
      else if (wc >= 0x2010 && wc < 0x2040)
        c = cp1254_page20[wc-0x2010];
      else if (wc == 0x20ac)
        c = 0x80;
      else if (wc == 0x2122)
        c = 0x99;
      if (c != 0) {
        *r = c;
        return 1;
      }
      return RET_ILUNI;
    }