icuSources/i18n/regextxt.h

   1 // © 2016 and later: Unicode, Inc. and others.
   2 // License & terms of use: http://www.unicode.org/copyright.html
   3 /********************************************************************
   4  * COPYRIGHT:
   5  * Copyright (c) 2008-2010, International Business Machines Corporation and
   6  * others. All Rights Reserved.
   7  ********************************************************************/
   8 //
   9 //  file:  regextxt.h
  10 //
  11 //  This file contains utility code for supporting UText in the regular expression engine.
  12 //
  13 //  This class is internal to the regular expression implementation.
  14 //  For the public Regular Expression API, see the file "unicode/regex.h"
  15 //
  16
  17 #ifndef _REGEXTXT_H
  18 #define _REGEXTXT_H
  19
  20 #include "unicode/utypes.h"
  21 #include "unicode/utext.h"
  22
  23 U_NAMESPACE_BEGIN
  24
  25 #define UTEXT_USES_U16(ut) (NULL==((ut)->pFuncs->mapNativeIndexToUTF16))
  26
  27 #if 0
  28 #define REGEX_DISABLE_CHUNK_MODE 1
  29 #endif
  30
  31 #ifdef REGEX_DISABLE_CHUNK_MODE
  32 #  define UTEXT_FULL_TEXT_IN_CHUNK(ut,len) (FALSE)
  33 #else
  34 #  define UTEXT_FULL_TEXT_IN_CHUNK(ut,len) ((0==((ut)->chunkNativeStart))&&((len)==((ut)->chunkNativeLimit))&&((len)==((ut)->nativeIndexingLimit)))
  35 #endif
  36
  37 struct URegexUTextUnescapeCharContext {
  38     UText *text;
  39     int32_t lastOffset;
  40 };
  41 #define U_REGEX_UTEXT_UNESCAPE_CONTEXT(text) { (text), -1 }
  42
  43 U_CFUNC UChar U_CALLCONV
  44 uregex_utext_unescape_charAt(int32_t offset, void * /* struct URegexUTextUnescapeCharContext* */ context);
  45 U_CFUNC UChar U_CALLCONV
  46 uregex_ucstr_unescape_charAt(int32_t offset, void * /* UChar* */ context);
  47
  48 U_NAMESPACE_END
  49
  50 #endif