maint/gnulib/lib/unicase/special-casing.in.h

/* */
   1 /* Special casing table.
   2    Copyright (C) 2009-2021 Free Software Foundation, Inc.
   3    Written by Bruno Haible <bruno@clisp.org>, 2009.
   4 
   5    This file is free software.
   6    It is dual-licensed under "the GNU LGPLv3+ or the GNU GPLv2+".
   7    You can redistribute it and/or modify it under either
   8      - the terms of the GNU Lesser General Public License as published
   9        by the Free Software Foundation; either version 3, or (at your
  10        option) any later version, or
  11      - the terms of the GNU General Public License as published by the
  12        Free Software Foundation; either version 2, or (at your option)
  13        any later version, or
  14      - the same dual license "the GNU LGPLv3+ or the GNU GPLv2+".
  15 
  16    This file is distributed in the hope that it will be useful,
  17    but WITHOUT ANY WARRANTY; without even the implied warranty of
  18    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19    Lesser General Public License and the GNU General Public License
  20    for more details.
  21 
  22    You should have received a copy of the GNU Lesser General Public
  23    License and of the GNU General Public License along with this
  24    program.  If not, see <https://www.gnu.org/licenses/>.  */
  25 
  26 #include <stddef.h>
  27 
  28 /* A special casing context.
  29    A context is negated through x -> -x.  */
  30 enum
  31 {
  32   SCC_ALWAYS             = 0,
  33   SCC_FINAL_SIGMA        = 1,
  34   SCC_AFTER_SOFT_DOTTED  = 2,
  35   SCC_MORE_ABOVE         = 3,
  36   SCC_BEFORE_DOT         = 4,
  37   SCC_AFTER_I            = 5
  38 };
  39 
  40 struct special_casing_rule
  41 {
  42   /* The first two bytes are the code, in big-endian order.  The third byte
  43      only distinguishes different rules pertaining to the same code.  */
  44   /*unsigned*/ char code[3];
  45 
  46   /* True when this rule is not the last one for the given code.  */
  47   /*bool*/ unsigned int has_next : 1;
  48 
  49   /* Context.  */
  50   signed int context : 7;
  51 
  52   /* Language, or an empty string.  */
  53   char language[2];
  54 
  55   /* Mapping to upper case.  Between 0 and 3 characters.  Filled with 0s.  */
  56   unsigned short upper[3];
  57 
  58   /* Mapping to lower case.  Between 0 and 3 characters.  Filled with 0s.  */
  59   unsigned short lower[3];
  60 
  61   /* Mapping to title case.  Between 0 and 3 characters.  Filled with 0s.  */
  62   unsigned short title[3];
  63 
  64   /* Casefolding mapping.  Between 0 and 3 characters.  Filled with 0s.  */
  65   unsigned short casefold[3];
  66 };
  67 
  68 extern const struct special_casing_rule *
  69        gl_unicase_special_lookup (const char *str, size_t len);
/* */
root/maint/gnulib/lib/unicase/special-casing.in.h
