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unifilt.h

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00001 /*
00002 * Copyright (C) 1999, International Business Machines Corporation and others. All Rights Reserved.
00003 **********************************************************************
00004 *   Date        Name        Description
00005 *   11/17/99    aliu        Creation.
00006 **********************************************************************
00007 */
00008 #ifndef UNIFILT_H
00009 #define UNIFILT_H
00010 
00011 #include "unicode/unimatch.h"
00012 
00013 U_NAMESPACE_BEGIN
00014 
00040 class U_I18N_API UnicodeFilter : public UnicodeMatcher {
00041 
00042 public:
00047     virtual ~UnicodeFilter();
00048 
00056     virtual UBool contains(UChar32 c) const = 0;
00057 
00061     UnicodeString& toPattern(UnicodeString& result,
00062                              UBool escapeUnprintable) const;
00063 
00067     UBool matchesIndexValue(uint8_t v) const;
00068 
00072     virtual UMatchDegree matches(const Replaceable& text,
00073                                  int32_t& offset,
00074                                  int32_t limit,
00075                                  UBool incremental);
00076 
00077 protected:
00078 
00079     UnicodeFilter();
00080 };
00081 
00082 inline UnicodeFilter::UnicodeFilter() {}
00083 inline UnicodeFilter::~UnicodeFilter() {}
00084 
00085 U_NAMESPACE_END
00086 
00087 #endif

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