1: /* Diacritics processing for a few character codes.
    2: 
    3:    Copyright (C) 1990, 1991, 1992, 1993, 2000, 2006 Free Software
    4:    Foundation, Inc.
    5: 
    6:    François Pinard <pinard@iro.umontreal.ca>, 1988.
    7: 
    8:    All this file is a temporary hack, waiting for locales in GNU.
    9: 
   10:    This program is free software; you can redistribute it and/or modify
   11:    it under the terms of the GNU General Public License as published by
   12:    the Free Software Foundation; either version 2, or (at your option)
   13:    any later version.
   14: 
   15:    This program is distributed in the hope that it will be useful,
   16:    but WITHOUT ANY WARRANTY; without even the implied warranty of
   17:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18:    GNU General Public License for more details.
   19: 
   20:    You should have received a copy of the GNU General Public License
   21:    along with this program; see the file COPYING.
   22:    If not, write to the Free Software Foundation,
   23:    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
   24: 
   25: #include <config.h>
   26: 
   27: #include "diacrit.h"
   28: 
   29: /* ISO 8859-1 Latin-1 code is used as the underlying character set.  If
   30:    MSDOS is defined, IBM-PC's character set code is used instead.  */
   31: 
   32: /*--------------------------------------------------------------------.
   33: | For each alphabetic character, returns what it would be without its |
   34: | possible diacritic symbol.                                          |
   35: `--------------------------------------------------------------------*/
   36: 
   37: const char diacrit_base[256] =
   38: {
   39:   0,      0,      0,      0,      0,      0,      0,      0,
   40:   0,      0,      0,      0,      0,      0,      0,      0,
   41:   0,      0,      0,      0,      0,      0,      0,      0,
   42:   0,      0,      0,      0,      0,      0,      0,      0,
   43:   0,      0,      0,      0,      0,      0,      0,      0,
   44:   0,      0,      0,      0,      0,      0,      0,      0,
   45:   0,      0,      0,      0,      0,      0,      0,      0,
   46:   0,      0,      0,      0,      0,      0,      0,      0,
   47:   0,      'A',    'B',    'C',    'D',    'E',    'F',    'G',
   48:   'H',    'I',    'J',    'K',    'L',    'M',    'N',    'O',
   49:   'P',    'Q',    'R',    'S',    'T',    'U',    'V',    'W',
   50:   'X',    'Y',    'Z',    0,      0,      0,      0,      0,
   51:   0,      'a',    'b',    'c',    'd',    'e',    'f',    'g',
   52:   'h',    'i',    'j',    'k',    'l',    'm',    'n',    'o',
   53:   'p',    'q',    'r',    's',    't',    'u',    'v',    'w',
   54:   'x',    'y',    'z',    0,      0,      0,      0,      0,
   55: 
   56: #ifdef __MSDOS__
   57: 
   58:   'C',    'u',    'e',    'a',    'a',    'a',    'a',    'c',
   59:   'e',    'e',    'e',    'i',    'i',    'i',    'A',    'A',
   60:   'E',    'e',    'E',    'o',    'o',    'o',    'u',    'u',
   61:   'y',    'O',    'U',    0,      0,      0,      0,      0,
   62:   'a',    'i',    'o',    'u',    'n',    'N',    0,      0,
   63:   0,      0,      0,      0,      0,      0,      0,      0,
   64:   0,      0,      0,      0,      0,      0,      0,      0,
   65:   0,      0,      0,      0,      0,      0,      0,      0,
   66:   0,      0,      0,      0,      0,      0,      0,      0,
   67:   0,      0,      0,      0,      0,      0,      0,      0,
   68:   0,      0,      0,      0,      0,      0,      0,      0,
   69:   0,      0,      0,      0,      0,      0,      0,      0,
   70:   0,      0,      0,      0,      0,      0,      0,      0,
   71:   0,      0,      0,      0,      0,      0,      0,      0,
   72:   0,      0,      0,      0,      0,      0,      0,      0,
   73:   0,      0,      0,      0,      0,      0,      0,      0,
   74: 
   75: #else
   76: 
   77:   0,      0,      0,      0,      0,      0,      0,      0,
   78:   0,      0,      0,      0,      0,      0,      0,      0,
   79:   0,      0,      0,      0,      0,      0,      0,      0,
   80:   0,      0,      0,      0,      0,      0,      0,      0,
   81:   0,      0,      0,      0,      0,      0,      0,      0,
   82:   0,      0,      0,      0,      0,      0,      0,      0,
   83:   0,      0,      0,      0,      0,      0,      0,      0,
   84:   0,      0,      0,      0,      0,      0,      0,      0,
   85:   'A',    'A',    'A',    'A',    'A',    'A',    'A',    'C',
   86:   'E',    'E',    'E',    'E',    'I',    'I',    'I',    'I',
   87:   0,      'N',    'O',    'O',    'O',    'O',    'O',    0,
   88:   'O',    'U',    'U',    'U',    'U',    'Y',    0,      0,
   89:   'a',    'a',    'a',    'a',    'a',    'a',    'a',    'c',
   90:   'e',    'e',    'e',    'e',    'i',    'i',    'i',    'i',
   91:   0,      'n',    'o',    'o',    'o',    'o',    'o',    0,
   92:   'o',    'u',    'u',    'u',    'u',    'y',    0,      'y',
   93: 
   94: #endif
   95: };
   96: 
   97: /*------------------------------------------------------------------------.
   98: | For each alphabetic character, returns a code of what its diacritic is, |
   99: | according to the following codes: 1 (eE) over aA for latin diphtongs; 2 |
  100: | (') acute accent; 3 (`) grave accent; 4 (^) circumflex accent; 5 (")    |
  101: | umlaut or diaraesis; 6 (~) tilda; 7 (,) cedilla; 8 (o) covering degree  |
  102: | symbol; 9 (|) slashed character.                                        |
  103: `------------------------------------------------------------------------*/
  104: 
  105: const char diacrit_diac[256] =
  106: {
  107:   0,      0,      0,      0,      0,      0,      0,      0,
  108:   0,      0,      0,      0,      0,      0,      0,      0,
  109:   0,      0,      0,      0,      0,      0,      0,      0,
  110:   0,      0,      0,      0,      0,      0,      0,      0,
  111:   0,      0,      0,      0,      0,      0,      0,      0,
  112:   0,      0,      0,      0,      0,      0,      0,      0,
  113:   0,      0,      0,      0,      0,      0,      0,      0,
  114:   0,      0,      0,      0,      0,      0,      0,      0,
  115:   0,      0,      0,      0,      0,      0,      0,      0,
  116:   0,      0,      0,      0,      0,      0,      0,      0,
  117:   0,      0,      0,      0,      0,      0,      0,      0,
  118:   0,      0,      0,      0,      0,      0,      4,      0,
  119:   3,      0,      0,      0,      0,      0,      0,      0,
  120:   0,      0,      0,      0,      0,      0,      0,      0,
  121:   0,      0,      0,      0,      0,      0,      0,      0,
  122:   0,      0,      0,      0,      0,      0,      6,      0,
  123: 
  124: #ifdef __MSDOS__
  125: 
  126:   7,      5,      2,      4,      5,      3,      8,      7,
  127:   4,      5,      3,      5,      4,      3,      5,      8,
  128:   2,      1,      1,      4,      5,      3,      4,      3,
  129:   5,      5,      5,      0,      0,      0,      0,      0,
  130:   2,      2,      2,      2,      6,      6,      0,      0,
  131:   0,      0,      0,      0,      0,      0,      0,      0,
  132:   0,      0,      0,      0,      0,      0,      0,      0,
  133:   0,      0,      0,      0,      0,      0,      0,      0,
  134:   0,      0,      0,      0,      0,      0,      0,      0,
  135:   0,      0,      0,      0,      0,      0,      0,      0,
  136:   0,      0,      0,      0,      0,      0,      0,      0,
  137:   0,      0,      0,      0,      0,      0,      0,      0,
  138:   0,      0,      0,      0,      0,      0,      0,      0,
  139:   0,      0,      0,      0,      0,      0,      0,      0,
  140:   0,      0,      0,      0,      0,      0,      0,      0,
  141:   0,      0,      0,      0,      0,      0,      0,      0,
  142: 
  143: #else
  144: 
  145:   0,      0,      0,      0,      0,      0,      0,      0,
  146:   0,      0,      0,      0,      0,      0,      0,      0,
  147:   0,      0,      0,      0,      0,      0,      0,      0,
  148:   0,      0,      0,      0,      0,      0,      0,      0,
  149:   0,      0,      0,      0,      0,      0,      0,      0,
  150:   0,      0,      0,      0,      0,      0,      0,      0,
  151:   0,      0,      0,      0,      0,      0,      0,      0,
  152:   0,      0,      0,      0,      0,      0,      0,      0,
  153:   3,      2,      4,      6,      5,      8,      1,      7,
  154:   3,      2,      4,      5,      3,      2,      4,      5,
  155:   0,      6,      3,      2,      4,      6,      5,      0,
  156:   9,      3,      2,      4,      5,      2,      0,      0,
  157:   3,      2,      4,      6,      5,      8,      1,      7,
  158:   3,      2,      4,      5,      3,      2,      4,      5,
  159:   0,      6,      3,      2,      4,      6,      5,      0,
  160:   9,      3,      2,      4,      5,      2,      0,      0,
  161: 
  162: #endif
  163: };