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WildcardTermEnum.h
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1 // Copyright (c) 2009-2011 Alan Wright. All rights reserved.
3 // Distributable under the terms of either the Apache License (Version 2.0)
4 // or the GNU Lesser General Public License.
6
7 #ifndef WILDCARDTERMENUM_H
8 #define WILDCARDTERMENUM_H
9
10 #include "FilteredTermEnum.h"
11
12 namespace Lucene
13 {
18 class LPPAPI WildcardTermEnum : public FilteredTermEnum
19 {
20 public:
25 WildcardTermEnum(IndexReaderPtr reader, TermPtr term);
26
27 virtual ~WildcardTermEnum();
28
29 LUCENE_CLASS(WildcardTermEnum);
30
31 public:
32 static const wchar_t WILDCARD_STRING;
33 static const wchar_t WILDCARD_CHAR;
34
35 TermPtr searchTerm;
36 String field;
37 String text;
38 String pre;
39 int32_t preLen;
40 bool _endEnum;
41
42 public:
43 virtual double difference();
44
46 static bool wildcardEquals(const String& pattern, int32_t patternIdx, const String& string, int32_t stringIdx);
47
48 protected:
49 virtual bool termCompare(TermPtr term);
50 virtual bool endEnum();
51 };
52 }
53
54 #endif

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