source: branches/vendor/trolltech/qt/current/tools/assistant/lib/qhelpsearchindexreader_clucene_p.h @ 2

Last change on this file since 2 was 2, checked in by Dmitry A. Kuminov, 13 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.

File size: 4.0 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information (qt-info@nokia.com)
5**
6** This file is part of the Qt Assistant of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial Usage
10** Licensees holding valid Qt Commercial licenses may use this file in
11** accordance with the Qt Commercial License Agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Nokia.
14**
15** GNU Lesser General Public License Usage
16** Alternatively, this file may be used under the terms of the GNU Lesser
17** General Public License version 2.1 as published by the Free Software
18** Foundation and appearing in the file LICENSE.LGPL included in the
19** packaging of this file.  Please review the following information to
20** ensure the GNU Lesser General Public License version 2.1 requirements
21** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
22**
23** In addition, as a special exception, Nokia gives you certain
24** additional rights. These rights are described in the Nokia Qt LGPL
25** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
26** package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file.  Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you are unsure which license is appropriate for your use, please
37** contact the sales department at qt-sales@nokia.com.
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#ifndef QHELPSEARCHINDEXREADERCLUCENE_H
43#define QHELPSEARCHINDEXREADERCLUCENE_H
44
45//
46//  W A R N I N G
47//  -------------
48//
49// This file is not part of the Qt API. It exists for the convenience
50// of the help generator tools. This header file may change from version
51// to version without notice, or even be removed.
52//
53// We mean it.
54//
55
56#include "qhelpsearchengine.h"
57
58#include "fulltextsearch/qanalyzer_p.h"
59#include "fulltextsearch/qquery_p.h"
60
61#include <QtCore/QList>
62#include <QtCore/QMutex>
63#include <QtCore/QObject>
64#include <QtCore/QString>
65#include <QtCore/QThread>
66#include <QtCore/QWaitCondition>
67
68class QHelpEngineCore;
69
70QT_BEGIN_NAMESPACE
71
72namespace qt {
73    namespace fulltextsearch {
74        namespace clucene {
75
76class QHelpSearchIndexReader : public QThread
77{
78    Q_OBJECT
79
80public:
81    QHelpSearchIndexReader();
82    ~QHelpSearchIndexReader();
83
84    void cancelSearching();
85    void search(const QString &collectionFile,
86        const QString &indexFilesFolder,
87        const QList<QHelpSearchQuery> &queryList);
88
89    int hitsCount() const;
90    QHelpSearchEngine::SearchHit hit(int index) const;
91
92signals:
93    void searchingStarted();
94    void searchingFinished(int hits);
95
96private:
97    void run();
98    bool defaultQuery(const QString &term, QCLuceneBooleanQuery &booleanQuery,
99        QCLuceneStandardAnalyzer &analyzer);
100    bool buildQuery(QCLuceneBooleanQuery &booleanQuery, const QList<QHelpSearchQuery> &queryList,
101        QCLuceneStandardAnalyzer &analyzer);
102    bool buildTryHarderQuery(QCLuceneBooleanQuery &booleanQuery,
103        const QList<QHelpSearchQuery> &queryList, QCLuceneStandardAnalyzer &analyzer);
104    void boostSearchHits(const QHelpEngineCore &engine, QList<QHelpSearchEngine::SearchHit> &hitList,
105        const QList<QHelpSearchQuery> &queryList);
106
107private:
108    QMutex mutex;
109    QList<QHelpSearchEngine::SearchHit> hitList;
110    QWaitCondition waitCondition;
111
112    bool m_cancel;
113    QString m_collectionFile;
114    QList<QHelpSearchQuery> m_query;
115    QString m_indexFilesFolder;
116};
117
118        }   // namespace clucene
119    }   // namespace fulltextsearch
120}   // namespace qt
121
122QT_END_NAMESPACE
123
124#endif  // QHELPSEARCHINDEXREADERCLUCENE_H
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