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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QCLucene library and is distributable under
** the terms of the LGPL license as specified in the license.txt file.
**
****************************************************************************/
#ifndef QANALYZER_P_H
#define QANALYZER_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of the help generator tools. This header file may change from version
// to version without notice, or even be removed.
//
// We mean it.
//
#include "qreader_p.h"
#include "qtokenstream_p.h"
#include "qclucene_global_p.h"
#include <QtCore/QList>
#include <QtCore/QString>
#include <QtCore/QStringList>
#include <QtCore/QSharedDataPointer>
#include <QtCore/QSharedData>
CL_NS_DEF(analysis)
class Analyzer;
CL_NS_END
CL_NS_USE(analysis)
QT_BEGIN_NAMESPACE
class QCLuceneIndexWriter;
class QCLuceneQueryParser;
class QCLuceneStopAnalyzer;
class QCLuceneSimpleAnalyzer;
class QCLuceneKeywordAnalyzer;
class QCLuceneStandardAnalyzer;
class QCLuceneWhitespaceAnalyzer;
class QCLucenePerFieldAnalyzerWrapper;
class QHELP_EXPORT QCLuceneAnalyzerPrivate : public QSharedData
{
public:
QCLuceneAnalyzerPrivate();
QCLuceneAnalyzerPrivate(const QCLuceneAnalyzerPrivate &other);
~QCLuceneAnalyzerPrivate();
Analyzer *analyzer;
bool deleteCLuceneAnalyzer;
private:
QCLuceneAnalyzerPrivate &operator=(const QCLuceneAnalyzerPrivate &other);
};
class QHELP_EXPORT QCLuceneAnalyzer
{
public:
virtual ~QCLuceneAnalyzer();
qint32 positionIncrementGap(const QString &fieldName) const;
QCLuceneTokenStream tokenStream(const QString &fieldName,
const QCLuceneReader &reader) const;
protected:
friend class QCLuceneIndexWriter;
friend class QCLuceneQueryParser;
friend class QCLuceneStopAnalyzer;
friend class QCLuceneSimpleAnalyzer;
friend class QCLuceneKeywordAnalyzer;
friend class QCLuceneStandardAnalyzer;
friend class QCLuceneWhitespaceAnalyzer;
friend class QCLucenePerFieldAnalyzerWrapper;
QSharedDataPointer<QCLuceneAnalyzerPrivate> d;
private:
QCLuceneAnalyzer();
};
class QHELP_EXPORT QCLuceneStandardAnalyzer : public QCLuceneAnalyzer
{
public:
QCLuceneStandardAnalyzer();
QCLuceneStandardAnalyzer(const QStringList &stopWords);
~QCLuceneStandardAnalyzer();
};
class QHELP_EXPORT QCLuceneWhitespaceAnalyzer : public QCLuceneAnalyzer
{
public:
QCLuceneWhitespaceAnalyzer();
~QCLuceneWhitespaceAnalyzer();
};
class QHELP_EXPORT QCLuceneSimpleAnalyzer : public QCLuceneAnalyzer
{
public:
QCLuceneSimpleAnalyzer();
~QCLuceneSimpleAnalyzer();
};
class QHELP_EXPORT QCLuceneStopAnalyzer : public QCLuceneAnalyzer
{
public:
QCLuceneStopAnalyzer();
QCLuceneStopAnalyzer(const QStringList &stopWords);
~QCLuceneStopAnalyzer();
QStringList englishStopWords() const;
};
class QHELP_EXPORT QCLuceneKeywordAnalyzer : public QCLuceneAnalyzer
{
public:
QCLuceneKeywordAnalyzer();
~QCLuceneKeywordAnalyzer();
};
class QHELP_EXPORT QCLucenePerFieldAnalyzerWrapper : public QCLuceneAnalyzer
{
public:
QCLucenePerFieldAnalyzerWrapper(QCLuceneAnalyzer *defaultAnalyzer);
~QCLucenePerFieldAnalyzerWrapper();
void addAnalyzer(const QString &fieldName, QCLuceneAnalyzer *analyzer);
private:
QList<QCLuceneAnalyzer*> analyzers;
};
QT_END_NAMESPACE
#endif // QANALYZER_P_H
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