162 lines
7.8 KiB
C
162 lines
7.8 KiB
C
/* Diacritics processing for a few character codes. -*- coding: utf-8 -*-
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Copyright (C) 1990-1993, 2000, 2006, 2009-2020 Free Software Foundation,
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Inc.
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François Pinard <pinard@iro.umontreal.ca>, 1988.
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All this file is a temporary hack, waiting for locales in GNU.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#include <config.h>
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#include "diacrit.h"
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/* ISO 8859-1 Latin-1 code is used as the underlying character set. If
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MSDOS is defined, IBM-PC's character set code is used instead. */
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/*--------------------------------------------------------------------.
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| For each alphabetic character, returns what it would be without its |
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| possible diacritic symbol. |
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`--------------------------------------------------------------------*/
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const char diacrit_base[256] =
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{
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
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'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
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'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
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'X', 'Y', 'Z', 0, 0, 0, 0, 0,
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0, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
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'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
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'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
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'x', 'y', 'z', 0, 0, 0, 0, 0,
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#ifdef __MSDOS__
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'C', 'u', 'e', 'a', 'a', 'a', 'a', 'c',
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'e', 'e', 'e', 'i', 'i', 'i', 'A', 'A',
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'E', 'e', 'E', 'o', 'o', 'o', 'u', 'u',
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'y', 'O', 'U', 0, 0, 0, 0, 0,
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'a', 'i', 'o', 'u', 'n', 'N', 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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#else
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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'A', 'A', 'A', 'A', 'A', 'A', 'A', 'C',
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'E', 'E', 'E', 'E', 'I', 'I', 'I', 'I',
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0, 'N', 'O', 'O', 'O', 'O', 'O', 0,
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'O', 'U', 'U', 'U', 'U', 'Y', 0, 0,
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'a', 'a', 'a', 'a', 'a', 'a', 'a', 'c',
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'e', 'e', 'e', 'e', 'i', 'i', 'i', 'i',
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0, 'n', 'o', 'o', 'o', 'o', 'o', 0,
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'o', 'u', 'u', 'u', 'u', 'y', 0, 'y',
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#endif
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};
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/*------------------------------------------------------------------------.
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| For each alphabetic character, returns a code of what its diacritic is, |
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| according to the following codes: 1 (eE) over aA for latin diphthongs; |
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| 2 (') acute accent; 3 (`) grave accent; 4 (^) circumflex accent; 5 (") |
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| umlaut or diaeresis; 6 (~) tilda; 7 (,) cedilla; 8 (o) covering degree |
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| symbol; 9 (|) slashed character. |
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`------------------------------------------------------------------------*/
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const char diacrit_diac[256] =
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{
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 4, 0,
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3, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 6, 0,
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#ifdef __MSDOS__
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7, 5, 2, 4, 5, 3, 8, 7,
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4, 5, 3, 5, 4, 3, 5, 8,
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2, 1, 1, 4, 5, 3, 4, 3,
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5, 5, 5, 0, 0, 0, 0, 0,
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2, 2, 2, 2, 6, 6, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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#else
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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3, 2, 4, 6, 5, 8, 1, 7,
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3, 2, 4, 5, 3, 2, 4, 5,
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0, 6, 3, 2, 4, 6, 5, 0,
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9, 3, 2, 4, 5, 2, 0, 0,
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3, 2, 4, 6, 5, 8, 1, 7,
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3, 2, 4, 5, 3, 2, 4, 5,
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0, 6, 3, 2, 4, 6, 5, 0,
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9, 3, 2, 4, 5, 2, 0, 0,
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#endif
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};
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