/* Special casing table. Copyright (C) 2009-2022 Free Software Foundation, Inc. Written by Bruno Haible , 2009. This file is free software. It is dual-licensed under "the GNU LGPLv3+ or the GNU GPLv2+". You can redistribute it and/or modify it under either - the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3, or (at your option) any later version, or - the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version, or - the same dual license "the GNU LGPLv3+ or the GNU GPLv2+". This file 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 and the GNU General Public License for more details. You should have received a copy of the GNU Lesser General Public License and of the GNU General Public License along with this program. If not, see . */ #include /* A special casing context. A context is negated through x -> -x. */ enum { SCC_ALWAYS = 0, SCC_FINAL_SIGMA = 1, SCC_AFTER_SOFT_DOTTED = 2, SCC_MORE_ABOVE = 3, SCC_BEFORE_DOT = 4, SCC_AFTER_I = 5 }; struct special_casing_rule { /* The first two bytes are the code, in big-endian order. The third byte only distinguishes different rules pertaining to the same code. */ /*unsigned*/ char code[3]; /* True when this rule is not the last one for the given code. */ /*bool*/ unsigned int has_next : 1; /* Context. */ signed int context : 7; /* Language, or an empty string. */ char language[2]; /* Mapping to upper case. Between 0 and 3 characters. Filled with 0s. */ unsigned short upper[3]; /* Mapping to lower case. Between 0 and 3 characters. Filled with 0s. */ unsigned short lower[3]; /* Mapping to title case. Between 0 and 3 characters. Filled with 0s. */ unsigned short title[3]; /* Casefolding mapping. Between 0 and 3 characters. Filled with 0s. */ unsigned short casefold[3]; }; extern const struct special_casing_rule * gl_unicase_special_lookup (const char *str, size_t len);