pcre/pcre_config.cpp

   1 #include "avmplus.h"
   2
   3 /*************************************************
   4 *      Perl-Compatible Regular Expressions       *
   5 *************************************************/
   6
   7 /* PCRE is a library of functions to support regular expressions whose syntax
   8 and semantics are as close as possible to those of the Perl 5 language.
   9
  10                        Written by Philip Hazel
  11            Copyright (c) 1997-2007 University of Cambridge
  12
  13 -----------------------------------------------------------------------------
  14 Redistribution and use in source and binary forms, with or without
  15 modification, are permitted provided that the following conditions are met:
  16
  17     * Redistributions of source code must retain the above copyright notice,
  18       this list of conditions and the following disclaimer.
  19
  20     * Redistributions in binary form must reproduce the above copyright
  21       notice, this list of conditions and the following disclaimer in the
  22       documentation and/or other materials provided with the distribution.
  23
  24     * Neither the name of the University of Cambridge nor the names of its
  25       contributors may be used to endorse or promote products derived from
  26       this software without specific prior written permission.
  27
  28 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  29 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  30 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  31 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  32 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  33 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  34 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  35 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  36 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  37 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  38 POSSIBILITY OF SUCH DAMAGE.
  39 -----------------------------------------------------------------------------
  40 */
  41
  42
  43 /* This module contains the external function pcre_config(). */
  44
  45
  46 #include "config.h"
  47
  48 #include "pcre_internal.h"
  49
  50 bool isUnicodeWhiteSpace(unsigned short x)
  51 {
  52         return (((x) == UNICODE_NOBREAK_SPACE) ||
  53                 ((x) == UNICODE_ZEROWIDTH_SPACE) ||
  54                 ((x) == UNICODE_WORDJOINER_SPACE) ||
  55                 ((x) == UNICODE_IDEOGRAPHIC_SPACE) ||
  56                 ((x) == UNICODE_ZEROWIDTH_NOBREAK_SPACE) );
  57 }
  58
  59 /*************************************************
  60 * Return info about what features are configured *
  61 *************************************************/
  62
  63 /* This function has an extensible interface so that additional items can be
  64 added compatibly.
  65
  66 Arguments:
  67   what             what information is required
  68   where            where to put the information
  69
  70 Returns:           0 if data returned, negative on error
  71 */
  72
  73 PCRE_EXP_DEFN int
  74 pcre_config(int what, void *where)
  75 {
  76 switch (what)
  77   {
  78   case PCRE_CONFIG_UTF8:
  79 #ifdef SUPPORT_UTF8
  80   *((int *)where) = 1;
  81 #else
  82   *((int *)where) = 0;
  83 #endif
  84   break;
  85
  86   case PCRE_CONFIG_UNICODE_PROPERTIES:
  87 #ifdef SUPPORT_UCP
  88   *((int *)where) = 1;
  89 #else
  90   *((int *)where) = 0;
  91 #endif
  92   break;
  93
  94   case PCRE_CONFIG_NEWLINE:
  95   *((int *)where) = NEWLINE;
  96   break;
  97
  98   case PCRE_CONFIG_LINK_SIZE:
  99   *((int *)where) = LINK_SIZE;
 100   break;
 101
 102   case PCRE_CONFIG_POSIX_MALLOC_THRESHOLD:
 103   *((int *)where) = POSIX_MALLOC_THRESHOLD;
 104   break;
 105
 106   case PCRE_CONFIG_MATCH_LIMIT:
 107   *((unsigned int *)where) = MATCH_LIMIT;
 108   break;
 109
 110   case PCRE_CONFIG_MATCH_LIMIT_RECURSION:
 111   *((unsigned int *)where) = MATCH_LIMIT_RECURSION;
 112   break;
 113
 114   case PCRE_CONFIG_STACKRECURSE:
 115 #ifdef NO_RECURSE
 116   *((int *)where) = 0;
 117 #else
 118   *((int *)where) = 1;
 119 #endif
 120   break;
 121
 122   default: return PCRE_ERROR_BADOPTION;
 123   }
 124
 125 return 0;
 126 }
 127
 128 /* End of pcre_config.c */