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CharFilter.h
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1 
2 // 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 
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

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