icuSources/i18n/regextxt.h

   1 /********************************************************************
   2  * COPYRIGHT:
   3  * Copyright (c) 2008-2010, International Business Machines Corporation and
   4  * others. All Rights Reserved.
   5  ********************************************************************/
   6 //
   7 //  file:  regextxt.h
   8 //
   9 //  This file contains utility code for supporting UText in the regular expression engine.
  10 //
  11 //  This class is internal to the regular expression implementation.
  12 //  For the public Regular Expression API, see the file "unicode/regex.h"
  13 //
  14
  15 #ifndef _REGEXTXT_H
  16 #define _REGEXTXT_H
  17
  18 #include "unicode/utypes.h"
  19 #include "unicode/utext.h"
  20
  21 U_NAMESPACE_BEGIN
  22
  23 #define UTEXT_USES_U16(ut) (NULL==((ut)->pFuncs->mapNativeIndexToUTF16))
  24
  25 #if 0
  26 #define REGEX_DISABLE_CHUNK_MODE 1
  27 #endif
  28
  29 #ifdef REGEX_DISABLE_CHUNK_MODE
  30 #  define UTEXT_FULL_TEXT_IN_CHUNK(ut,len) (FALSE)
  31 #else
  32 #  define UTEXT_FULL_TEXT_IN_CHUNK(ut,len) ((0==((ut)->chunkNativeStart))&&((len)==((ut)->chunkNativeLimit))&&((len)==((ut)->nativeIndexingLimit)))
  33 #endif
  34
  35 struct URegexUTextUnescapeCharContext {
  36     UText *text;
  37     int32_t lastOffset;
  38 };
  39 #define U_REGEX_UTEXT_UNESCAPE_CONTEXT(text) { (text), -1 }
  40
  41 U_CFUNC UChar U_CALLCONV
  42 uregex_utext_unescape_charAt(int32_t offset, void * /* struct URegexUTextUnescapeCharContext* */ context);
  43 U_CFUNC UChar U_CALLCONV
  44 uregex_ucstr_unescape_charAt(int32_t offset, void * /* UChar* */ context);
  45
  46 U_NAMESPACE_END
  47
  48 #endif