icuSources/i18n/uregexc.cpp

   1 /*
   2 *******************************************************************************
   3 *   Copyright (C) 2003-2005, International Business Machines
   4 *   Corporation and others.  All Rights Reserved.
   5 *******************************************************************************
   6 *   file name:   regexc.cpp
   7 *   description: The purpose of this function is to separate the codepage
   8 *       conversion from the rest of the uregex_ API. This can removes any
   9 *       dependency on codepage conversion, which reduces the overhead of
  10 */
  11
  12 #include "unicode/uregex.h"
  13 #include "unicode/unistr.h"
  14
  15 //----------------------------------------------------------------------------------------
  16 //
  17 //    uregex_openC
  18 //
  19 //----------------------------------------------------------------------------------------
  20 #if !UCONFIG_NO_CONVERSION && !UCONFIG_NO_REGULAR_EXPRESSIONS
  21
  22 U_CAPI URegularExpression * U_EXPORT2
  23 uregex_openC( const char           *pattern,
  24                     uint32_t        flags,
  25                     UParseError    *pe,
  26                     UErrorCode     *status) {
  27     if (U_FAILURE(*status)) {
  28         return NULL;
  29     }
  30     if (pattern == NULL) {
  31         *status = U_ILLEGAL_ARGUMENT_ERROR;
  32         return NULL;
  33     }
  34
  35     UnicodeString patString(pattern);
  36     URegularExpression *re = uregex_open(patString.getBuffer(), patString.length(), flags, pe, status);
  37     return re;
  38 }
  39 #endif