ASCIIFoldingFilter.h

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// Copyright (c) 2009-2014 Alan Wright. All rights reserved.
// Distributable under the terms of either the Apache License (Version 2.0)
// or the GNU Lesser General Public License.
 
#ifndef ASCIIFOLDINGFILTER_H
#define ASCIIFOLDINGFILTER_H
 
#include "TokenFilter.h"
 
namespace Lucene {

class LPPAPI ASCIIFoldingFilter : public TokenFilter {
public:
    ASCIIFoldingFilter(const TokenStreamPtr& input);
    virtual ~ASCIIFoldingFilter();
 
    LUCENE_CLASS(ASCIIFoldingFilter);
 
protected:
    CharArray output;
    int32_t outputPos;
    TermAttributePtr termAtt;
 
public:
    virtual bool incrementToken();

    void foldToASCII(const wchar_t* input, int32_t length);
};
 
}
 
#endif