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ASCIIFoldingFilter.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 ASCIIFOLDINGFILTER_H
8 #define ASCIIFOLDINGFILTER_H
9
10 #include "TokenFilter.h"
11
12 namespace Lucene
13 {
42 class LPPAPI ASCIIFoldingFilter : public TokenFilter
43 {
44 public:
45 ASCIIFoldingFilter(TokenStreamPtr input);
46 virtual ~ASCIIFoldingFilter();
47
48 LUCENE_CLASS(ASCIIFoldingFilter);
49
50 protected:
51 CharArray output;
52 int32_t outputPos;
53 TermAttributePtr termAtt;
54
55 public:
56 virtual bool incrementToken();
57
62 void foldToASCII(const wchar_t* input, int32_t length);
63 };
64 }
65
66 #endif

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