maint/gnulib/lib/unictype/combiningclass

/* */
This source file includes following definitions.
uc_combining_class_byname
   1 /* Canonical combining classes of Unicode characters.
   2    Copyright (C) 2011-2021 Free Software Foundation, Inc.
   3    Written by Bruno Haible <bruno@clisp.org>, 2011.
   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 <config.h>
  27 
  28 /* Specification.  */
  29 #include "unictype.h"
  30 
  31 #include <string.h>
  32 
  33 #include "unictype/combiningclass_byname.h"
  34 
  35 int
  36 uc_combining_class_byname (const char *ccc_name)
     /*  */
  37 {
  38   size_t len;
  39 
  40   len = strlen (ccc_name);
  41   if (len <= MAX_WORD_LENGTH)
  42     {
  43       char buf[MAX_WORD_LENGTH + 1];
  44       const struct named_combining_class *found;
  45 
  46       /* Copy ccc_name into buf, converting '_' and '-' to ' '.  */
  47       {
  48         const char *p = ccc_name;
  49         char *q = buf;
  50 
  51         for (;; p++, q++)
  52           {
  53             char c = *p;
  54 
  55             if (c == '_' || c == '-')
  56               c = ' ';
  57             *q = c;
  58             if (c == '\0')
  59               break;
  60           }
  61       }
  62       /* Here q == buf + len.  */
  63 
  64       /* Do a hash table lookup, with case-insensitive comparison.  */
  65       found = uc_combining_class_lookup (buf, len);
  66       if (found != NULL)
  67         return found->combining_class;
  68     }
  69   /* Invalid combining class name.  */
  70   return -1;
  71 }
/* */
root/maint/gnulib/lib/unictype/combiningclass_byname.c

DEFINITIONS
