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diff --git a/src/assistant/lib/fulltextsearch/qanalyzer_p.h b/src/assistant/lib/fulltextsearch/qanalyzer_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2003-2006 Ben van Klinken and the CLucene Team.
+** All rights reserved.
+**
+** Portion Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+**
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this file.
+** Please review the following information to ensure the GNU Lesser General
+** Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+****************************************************************************/
+
+#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