ICU 63.1: unimatch.h Source File

00001 // © 2016 and later: Unicode, Inc. and others.
00002 // License & terms of use: http://www.unicode.org/copyright.html
00003 /*
00004 * Copyright (C) 2001-2005, International Business Machines Corporation and others. All Rights Reserved.
00005 **********************************************************************
00006 *   Date        Name        Description
00007 *   07/18/01    aliu        Creation.
00008 **********************************************************************
00009 */
00010 #ifndef UNIMATCH_H
00011 #define UNIMATCH_H
00012 
00013 #include "unicode/utypes.h"
00014 
00021 U_NAMESPACE_BEGIN
00022 
00023 class Replaceable;
00024 class UnicodeString;
00025 class UnicodeSet;
00026 
00032 enum UMatchDegree {
00040     U_MISMATCH,
00041     
00052     U_PARTIAL_MATCH,
00053     
00062     U_MATCH
00063 };
00064 
00070 class U_COMMON_API UnicodeMatcher /* not : public UObject because this is an interface/mixin class */ {
00071 
00072 public:
00077     virtual ~UnicodeMatcher();
00078 
00125     virtual UMatchDegree matches(const Replaceable& text,
00126                                  int32_t& offset,
00127                                  int32_t limit,
00128                                  UBool incremental) = 0;
00129 
00142     virtual UnicodeString& toPattern(UnicodeString& result,
00143                                      UBool escapeUnprintable = FALSE) const = 0;
00144 
00152     virtual UBool matchesIndexValue(uint8_t v) const = 0;
00153 
00160     virtual void addMatchSetTo(UnicodeSet& toUnionTo) const = 0;
00161 };
00162 
00163 U_NAMESPACE_END
00164 
00165 #endif