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Diffstat (limited to 'lib/diacrit.c')
| -rw-r--r-- | lib/diacrit.c | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/lib/diacrit.c b/lib/diacrit.c new file mode 100644 index 0000000..06705de --- /dev/null +++ b/lib/diacrit.c @@ -0,0 +1,161 @@ +/* Diacritics processing for a few character codes. -*- coding: utf-8 -*- + + Copyright (C) 1990-1993, 2000, 2006, 2009-2020 Free Software Foundation, + Inc. + + François Pinard <pinard@iro.umontreal.ca>, 1988. + + All this file is a temporary hack, waiting for locales in GNU. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <https://www.gnu.org/licenses/>. */ + +#include <config.h> + +#include "diacrit.h" + +/* ISO 8859-1 Latin-1 code is used as the underlying character set. If + MSDOS is defined, IBM-PC's character set code is used instead. */ + +/*--------------------------------------------------------------------. +| For each alphabetic character, returns what it would be without its | +| possible diacritic symbol. | +`--------------------------------------------------------------------*/ + +const char diacrit_base[256] = +{ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 'A', 'B', 'C', 'D', 'E', 'F', 'G', + 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', + 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', + 'X', 'Y', 'Z', 0, 0, 0, 0, 0, + 0, 'a', 'b', 'c', 'd', 'e', 'f', 'g', + 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', + 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', + 'x', 'y', 'z', 0, 0, 0, 0, 0, + +#ifdef __MSDOS__ + + 'C', 'u', 'e', 'a', 'a', 'a', 'a', 'c', + 'e', 'e', 'e', 'i', 'i', 'i', 'A', 'A', + 'E', 'e', 'E', 'o', 'o', 'o', 'u', 'u', + 'y', 'O', 'U', 0, 0, 0, 0, 0, + 'a', 'i', 'o', 'u', 'n', 'N', 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + +#else + + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 'A', 'A', 'A', 'A', 'A', 'A', 'A', 'C', + 'E', 'E', 'E', 'E', 'I', 'I', 'I', 'I', + 0, 'N', 'O', 'O', 'O', 'O', 'O', 0, + 'O', 'U', 'U', 'U', 'U', 'Y', 0, 0, + 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'c', + 'e', 'e', 'e', 'e', 'i', 'i', 'i', 'i', + 0, 'n', 'o', 'o', 'o', 'o', 'o', 0, + 'o', 'u', 'u', 'u', 'u', 'y', 0, 'y', + +#endif +}; + +/*------------------------------------------------------------------------. +| For each alphabetic character, returns a code of what its diacritic is, | +| according to the following codes: 1 (eE) over aA for latin diphthongs; | +| 2 (') acute accent; 3 (`) grave accent; 4 (^) circumflex accent; 5 (") | +| umlaut or diaeresis; 6 (~) tilda; 7 (,) cedilla; 8 (o) covering degree | +| symbol; 9 (|) slashed character. | +`------------------------------------------------------------------------*/ + +const char diacrit_diac[256] = +{ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 4, 0, + 3, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 6, 0, + +#ifdef __MSDOS__ + + 7, 5, 2, 4, 5, 3, 8, 7, + 4, 5, 3, 5, 4, 3, 5, 8, + 2, 1, 1, 4, 5, 3, 4, 3, + 5, 5, 5, 0, 0, 0, 0, 0, + 2, 2, 2, 2, 6, 6, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + +#else + + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 3, 2, 4, 6, 5, 8, 1, 7, + 3, 2, 4, 5, 3, 2, 4, 5, + 0, 6, 3, 2, 4, 6, 5, 0, + 9, 3, 2, 4, 5, 2, 0, 0, + 3, 2, 4, 6, 5, 8, 1, 7, + 3, 2, 4, 5, 3, 2, 4, 5, + 0, 6, 3, 2, 4, 6, 5, 0, + 9, 3, 2, 4, 5, 2, 0, 0, + +#endif +}; |