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CharFilter.h
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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 CHARFILTER_H
8 #define CHARFILTER_H
9
10 #include "CharStream.h"
11
12 namespace Lucene {
13
17 class LPPAPI CharFilter : public CharStream {
18 protected:
19 CharFilter(const CharStreamPtr& in);
20 public:
21 virtual ~CharFilter();
22
23 LUCENE_CLASS(CharFilter);
24
25 protected:
26 CharStreamPtr input;
27
28 protected:
32 virtual int32_t correct(int32_t currentOff);
33
35 virtual int32_t correctOffset(int32_t currentOff);
36
37 virtual void close();
38 virtual int32_t read(wchar_t* buffer, int32_t offset, int32_t length);
39 virtual bool markSupported();
40 virtual void mark(int32_t readAheadLimit);
41 virtual void reset();
42 };
43
44 }
45
46 #endif
Lucene::CharStreamPtr
boost::shared_ptr< CharStream > CharStreamPtr
Definition: LuceneTypes.h:27
Lucene::CharStream
CharStream adds correctOffset functionality over Reader. All Tokenizers accept a CharStream instead o...
Definition: CharStream.h:18
LUCENE_CLASS
#define LUCENE_CLASS(Name)
Definition: LuceneObject.h:24
Lucene
Definition: AbstractAllTermDocs.h:12
Lucene::CharFilter
Subclasses of CharFilter can be chained to filter CharStream. They can be used as Reader with additio...
Definition: CharFilter.h:17
CharStream.h

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