1 | /****************************************************************************
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2 | **
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3 | ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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4 | ** All rights reserved.
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5 | ** Contact: Nokia Corporation ([email protected])
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6 | **
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7 | ** This file is part of the Qt Assistant of the Qt Toolkit.
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8 | **
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9 | ** $QT_BEGIN_LICENSE:LGPL$
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10 | ** Commercial Usage
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11 | ** Licensees holding valid Qt Commercial licenses may use this file in
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12 | ** accordance with the Qt Commercial License Agreement provided with the
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13 | ** Software or, alternatively, in accordance with the terms contained in
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14 | ** a written agreement between you and Nokia.
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15 | **
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16 | ** GNU Lesser General Public License Usage
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17 | ** Alternatively, this file may be used under the terms of the GNU Lesser
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18 | ** General Public License version 2.1 as published by the Free Software
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19 | ** Foundation and appearing in the file LICENSE.LGPL included in the
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20 | ** packaging of this file. Please review the following information to
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21 | ** ensure the GNU Lesser General Public License version 2.1 requirements
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22 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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23 | **
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24 | ** In addition, as a special exception, Nokia gives you certain additional
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25 | ** rights. These rights are described in the Nokia Qt LGPL Exception
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26 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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27 | **
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28 | ** GNU General Public License Usage
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29 | ** Alternatively, this file may be used under the terms of the GNU
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30 | ** General Public License version 3.0 as published by the Free Software
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31 | ** Foundation and appearing in the file LICENSE.GPL included in the
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32 | ** packaging of this file. Please review the following information to
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33 | ** ensure the GNU General Public License version 3.0 requirements will be
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34 | ** met: http://www.gnu.org/copyleft/gpl.html.
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35 | **
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36 | ** If you have questions regarding the use of this file, please contact
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37 | ** Nokia at [email protected].
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38 | ** $QT_END_LICENSE$
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39 | **
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40 | ****************************************************************************/
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41 |
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42 | #ifndef QHELPSEARCHINDEXREADERCLUCENE_H
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43 | #define QHELPSEARCHINDEXREADERCLUCENE_H
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44 |
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45 | //
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46 | // W A R N I N G
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47 | // -------------
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48 | //
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49 | // This file is not part of the Qt API. It exists for the convenience
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50 | // of the help generator tools. This header file may change from version
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51 | // to version without notice, or even be removed.
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52 | //
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53 | // We mean it.
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54 | //
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55 |
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56 | #include <QtCore/QList>
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57 | #include <QtCore/QString>
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58 | #include <QtCore/QStringList>
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59 |
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60 | #include "fulltextsearch/qanalyzer_p.h"
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61 | #include "fulltextsearch/qquery_p.h"
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62 | #include "qhelpsearchindexreader_p.h"
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63 |
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64 | QT_BEGIN_NAMESPACE
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65 |
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66 | namespace fulltextsearch {
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67 | namespace clucene {
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68 |
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69 | class QHelpSearchIndexReaderClucene : public QHelpSearchIndexReader
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70 | {
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71 | Q_OBJECT
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72 |
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73 | public:
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74 | QHelpSearchIndexReaderClucene();
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75 | ~QHelpSearchIndexReaderClucene();
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76 |
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77 | private:
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78 | void run();
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79 | void boostSearchHits(const QHelpEngineCore &engine, QList<QHelpSearchEngine::SearchHit> &hitList,
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80 | const QList<QHelpSearchQuery> &queryList);
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81 | bool buildQuery(const QList<QHelpSearchQuery> &queries,
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82 | const QString &fieldName,
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83 | const QStringList &filterAttributes,
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84 | QCLuceneBooleanQuery &booleanQuery,
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85 | QCLuceneAnalyzer &analyzer);
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86 | bool buildTryHarderQuery(const QList<QHelpSearchQuery> &queries,
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87 | const QString &fieldName,
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88 | const QStringList &filterAttributes,
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89 | QCLuceneBooleanQuery &booleanQuery,
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90 | QCLuceneAnalyzer &analyzer);
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91 | bool addFuzzyQuery(const QHelpSearchQuery &query, const QString &fieldName,
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92 | QCLuceneBooleanQuery &booleanQuery, QCLuceneAnalyzer &analyzer);
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93 | bool addWithoutQuery(const QHelpSearchQuery &query, const QString &fieldName,
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94 | QCLuceneBooleanQuery &booleanQuery);
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95 | bool addPhraseQuery(const QHelpSearchQuery &query, const QString &fieldName,
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96 | QCLuceneBooleanQuery &booleanQuery);
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97 | bool addAllQuery(const QHelpSearchQuery &query, const QString &fieldName,
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98 | QCLuceneBooleanQuery &booleanQuery);
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99 | bool addDefaultQuery(const QHelpSearchQuery &query, const QString &fieldName,
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100 | bool allTermsRequired, QCLuceneBooleanQuery &booleanQuery,
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101 | QCLuceneAnalyzer &analyzer);
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102 | bool addAtLeastQuery(const QHelpSearchQuery &query, const QString &fieldName,
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103 | QCLuceneBooleanQuery &booleanQuery, QCLuceneAnalyzer &analyzer);
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104 | bool addAttributesQuery(const QStringList &filterAttributes,
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105 | QCLuceneBooleanQuery &booleanQuery, QCLuceneAnalyzer &analyzer);
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106 | bool isNegativeQuery(const QHelpSearchQuery &query) const;
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107 | };
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108 |
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109 | } // namespace clucene
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110 | } // namespace fulltextsearch
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111 |
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112 | QT_END_NAMESPACE
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113 |
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114 | #endif // QHELPSEARCHINDEXREADERCLUCENE_H
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