[2] | 1 | /****************************************************************************
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| 2 | **
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[561] | 3 | ** Copyright (C) 2003-2006 Ben van Klinken and the CLucene Team.
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| 4 | ** All rights reserved.
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[2] | 5 | **
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[846] | 6 | ** Portion Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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[561] | 7 | ** All rights reserved.
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[2] | 8 | **
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[561] | 9 | ** This file may be used under the terms of the GNU Lesser General Public
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| 10 | ** License version 2.1 as published by the Free Software Foundation and
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| 11 | ** appearing in the file LICENSE.LGPL included in the packaging of this file.
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| 12 | ** Please review the following information to ensure the GNU Lesser General
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| 13 | ** Public License version 2.1 requirements will be met:
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| 14 | ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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| 15 | **
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[2] | 16 | ****************************************************************************/
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| 17 |
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| 18 | #ifndef QANALYZER_P_H
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| 19 | #define QANALYZER_P_H
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| 20 |
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| 21 | //
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| 22 | // W A R N I N G
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| 23 | // -------------
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| 24 | //
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| 25 | // This file is not part of the Qt API. It exists for the convenience
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| 26 | // of the help generator tools. This header file may change from version
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| 27 | // to version without notice, or even be removed.
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| 28 | //
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| 29 | // We mean it.
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| 30 | //
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| 31 |
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| 32 | #include "qreader_p.h"
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| 33 | #include "qtokenstream_p.h"
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| 34 | #include "qclucene_global_p.h"
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| 35 |
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| 36 | #include <QtCore/QList>
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| 37 | #include <QtCore/QString>
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| 38 | #include <QtCore/QStringList>
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| 39 | #include <QtCore/QSharedDataPointer>
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| 40 | #include <QtCore/QSharedData>
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| 41 |
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| 42 | CL_NS_DEF(analysis)
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| 43 | class Analyzer;
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| 44 | CL_NS_END
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| 45 | CL_NS_USE(analysis)
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| 46 |
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| 47 | QT_BEGIN_NAMESPACE
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| 48 |
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| 49 | class QCLuceneIndexWriter;
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| 50 | class QCLuceneQueryParser;
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| 51 | class QCLuceneStopAnalyzer;
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| 52 | class QCLuceneSimpleAnalyzer;
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| 53 | class QCLuceneKeywordAnalyzer;
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| 54 | class QCLuceneStandardAnalyzer;
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| 55 | class QCLuceneWhitespaceAnalyzer;
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| 56 | class QCLucenePerFieldAnalyzerWrapper;
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| 57 |
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| 58 | class QHELP_EXPORT QCLuceneAnalyzerPrivate : public QSharedData
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| 59 | {
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| 60 | public:
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| 61 | QCLuceneAnalyzerPrivate();
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| 62 | QCLuceneAnalyzerPrivate(const QCLuceneAnalyzerPrivate &other);
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| 63 |
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| 64 | ~QCLuceneAnalyzerPrivate();
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| 65 |
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| 66 | Analyzer *analyzer;
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| 67 | bool deleteCLuceneAnalyzer;
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| 68 |
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| 69 | private:
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| 70 | QCLuceneAnalyzerPrivate &operator=(const QCLuceneAnalyzerPrivate &other);
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| 71 | };
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| 72 |
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| 73 | class QHELP_EXPORT QCLuceneAnalyzer
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| 74 | {
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| 75 | public:
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| 76 | virtual ~QCLuceneAnalyzer();
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| 77 |
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| 78 | qint32 positionIncrementGap(const QString &fieldName) const;
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| 79 | QCLuceneTokenStream tokenStream(const QString &fieldName,
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| 80 | const QCLuceneReader &reader) const;
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| 81 |
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| 82 | protected:
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| 83 | friend class QCLuceneIndexWriter;
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| 84 | friend class QCLuceneQueryParser;
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| 85 | friend class QCLuceneStopAnalyzer;
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| 86 | friend class QCLuceneSimpleAnalyzer;
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| 87 | friend class QCLuceneKeywordAnalyzer;
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| 88 | friend class QCLuceneStandardAnalyzer;
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| 89 | friend class QCLuceneWhitespaceAnalyzer;
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| 90 | friend class QCLucenePerFieldAnalyzerWrapper;
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| 91 | QSharedDataPointer<QCLuceneAnalyzerPrivate> d;
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| 92 |
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| 93 | private:
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| 94 | QCLuceneAnalyzer();
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| 95 | };
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| 96 |
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| 97 | class QHELP_EXPORT QCLuceneStandardAnalyzer : public QCLuceneAnalyzer
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| 98 | {
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| 99 | public:
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| 100 | QCLuceneStandardAnalyzer();
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| 101 | QCLuceneStandardAnalyzer(const QStringList &stopWords);
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| 102 |
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| 103 | ~QCLuceneStandardAnalyzer();
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| 104 | };
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| 105 |
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| 106 | class QHELP_EXPORT QCLuceneWhitespaceAnalyzer : public QCLuceneAnalyzer
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| 107 | {
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| 108 | public:
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| 109 | QCLuceneWhitespaceAnalyzer();
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| 110 | ~QCLuceneWhitespaceAnalyzer();
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| 111 | };
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| 112 |
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| 113 | class QHELP_EXPORT QCLuceneSimpleAnalyzer : public QCLuceneAnalyzer
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| 114 | {
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| 115 | public:
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| 116 | QCLuceneSimpleAnalyzer();
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| 117 | ~QCLuceneSimpleAnalyzer();
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| 118 | };
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| 119 |
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| 120 | class QHELP_EXPORT QCLuceneStopAnalyzer : public QCLuceneAnalyzer
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| 121 | {
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| 122 | public:
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| 123 | QCLuceneStopAnalyzer();
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| 124 | QCLuceneStopAnalyzer(const QStringList &stopWords);
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| 125 |
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| 126 | ~QCLuceneStopAnalyzer();
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| 127 |
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| 128 | QStringList englishStopWords() const;
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| 129 | };
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| 130 |
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| 131 | class QHELP_EXPORT QCLuceneKeywordAnalyzer : public QCLuceneAnalyzer
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| 132 | {
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| 133 | public:
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| 134 | QCLuceneKeywordAnalyzer();
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| 135 | ~QCLuceneKeywordAnalyzer();
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| 136 | };
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| 137 |
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| 138 | class QHELP_EXPORT QCLucenePerFieldAnalyzerWrapper : public QCLuceneAnalyzer
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| 139 | {
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| 140 | public:
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| 141 | QCLucenePerFieldAnalyzerWrapper(QCLuceneAnalyzer *defaultAnalyzer);
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| 142 | ~QCLucenePerFieldAnalyzerWrapper();
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| 143 |
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| 144 | void addAnalyzer(const QString &fieldName, QCLuceneAnalyzer *analyzer);
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| 145 |
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| 146 | private:
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| 147 | QList<QCLuceneAnalyzer*> analyzers;
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| 148 | };
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| 149 |
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| 150 | QT_END_NAMESPACE
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| 151 |
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| 152 | #endif // QANALYZER_P_H
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