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// Copyright (C) 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/********************************************************************
* COPYRIGHT:
* Copyright (c) 2008-2010, International Business Machines Corporation and
* others. All Rights Reserved.
********************************************************************/
//
// file: regextxt.h
//
// This file contains utility code for supporting UText in the regular expression engine.
//
// This class is internal to the regular expression implementation.
// For the public Regular Expression API, see the file "unicode/regex.h"
//
#ifndef _REGEXTXT_H
#define _REGEXTXT_H
#include "unicode/utypes.h"
#include "unicode/utext.h"
U_NAMESPACE_BEGIN
#define UTEXT_USES_U16(ut) (NULL==((ut)->pFuncs->mapNativeIndexToUTF16))
#if 0
#define REGEX_DISABLE_CHUNK_MODE 1
#endif
#ifdef REGEX_DISABLE_CHUNK_MODE
# define UTEXT_FULL_TEXT_IN_CHUNK(ut,len) (FALSE)
#else
# define UTEXT_FULL_TEXT_IN_CHUNK(ut,len) ((0==((ut)->chunkNativeStart))&&((len)==((ut)->chunkNativeLimit))&&((len)==((ut)->nativeIndexingLimit)))
#endif
struct URegexUTextUnescapeCharContext {
UText *text;
int32_t lastOffset;
};
#define U_REGEX_UTEXT_UNESCAPE_CONTEXT(text) { (text), -1 }
U_CFUNC UChar U_CALLCONV
uregex_utext_unescape_charAt(int32_t offset, void * /* struct URegexUTextUnescapeCharContext* */ context);
U_CFUNC UChar U_CALLCONV
uregex_ucstr_unescape_charAt(int32_t offset, void * /* UChar* */ context);
U_NAMESPACE_END
#endif
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