gnu/dist/gettext/gettext-tools/libgrep/m-common.h

   1 /* Pattern Matchers - Common Utilities.
   2    Copyright (C) 1992, 1998, 2000, 2005 Free Software Foundation, Inc.
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 2, or (at your option)
   7    any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, write to the Free Software Foundation,
  16    Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  17
  18 #include <stdbool.h>
  19 #include <stddef.h>
  20 #include <limits.h>
  21 #include "kwset.h"
  22
  23 #if defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H && defined HAVE_MBRTOWC
  24 /* We can handle multibyte string.  */
  25 # define MBS_SUPPORT
  26 # include <wchar.h>
  27 # include <wctype.h>
  28 #endif
  29
  30 #define NCHAR (UCHAR_MAX + 1)
  31
  32 struct compiled_kwset {
  33   kwset_t kwset;
  34   char *trans;
  35   bool match_words;
  36   bool match_lines;
  37   char eolbyte;
  38 };
  39
  40 extern void
  41        kwsinit (struct compiled_kwset *ckwset,
  42                 bool match_icase, bool match_words, bool match_lines,
  43                 char eolbyte);
  44
  45 #ifdef MBS_SUPPORT
  46 extern char*
  47        check_multibyte_string (const char *buf, size_t buf_size);
  48 #endif
  49
  50 #define IS_WORD_CONSTITUENT(C) (ISALNUM(C) || (C) == '_')