Lucene++ - a full-featured, c++ search engine
API Documentation


StopFilter.h
Go to the documentation of this file.
1 // Copyright (c) 2009-2014 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 STOPFILTER_H
8 #define STOPFILTER_H
9 
10 #include "TokenFilter.h"
11 
12 namespace Lucene {
13 
15 class LPPAPI StopFilter : public TokenFilter {
16 public:
28  StopFilter(bool enablePositionIncrements, const TokenStreamPtr& input, HashSet<String> stopWords, bool ignoreCase = false);
29  StopFilter(bool enablePositionIncrements, const TokenStreamPtr& input, const CharArraySetPtr& stopWords, bool ignoreCase = false);
30 
31  virtual ~StopFilter();
32 
34 
35 protected:
38 
41 
42 public:
44  static HashSet<String> makeStopSet(Collection<String> stopWords);
45 
47  virtual bool incrementToken();
48 
51  static bool getEnablePositionIncrementsVersionDefault(LuceneVersion::Version matchVersion);
52 
54  bool getEnablePositionIncrements();
55 
63  void setEnablePositionIncrements(bool enable);
64 };
65 
66 }
67 
68 #endif
boost::shared_ptr< PositionIncrementAttribute > PositionIncrementAttributePtr
Definition: LuceneTypes.h:45
PositionIncrementAttributePtr posIncrAtt
Definition: StopFilter.h:40
boost::shared_ptr< CharArraySet > CharArraySetPtr
Definition: LuceneTypes.h:24
Removes stop words from a token stream.
Definition: StopFilter.h:15
boost::shared_ptr< TermAttribute > TermAttributePtr
Definition: LuceneTypes.h:58
TermAttributePtr termAtt
Definition: StopFilter.h:39
CharArraySetPtr stopWords
Definition: StopFilter.h:33
#define LUCENE_CLASS(Name)
Definition: LuceneObject.h:24
Definition: AbstractAllTermDocs.h:12
A TokenFilter is a TokenStream whose input is another TokenStream.
Definition: TokenFilter.h:18
boost::shared_ptr< TokenStream > TokenStreamPtr
Definition: LuceneTypes.h:63
bool enablePositionIncrements
Definition: StopFilter.h:37
Version
Definition: Constants.h:40

clucene.sourceforge.net