tools/assistant/lib/qhelpsearchindexreader_default_p.h
author Alex Gilkes <alex.gilkes@nokia.com>
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/****************************************************************************
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**
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Assistant of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QHELPSEARCHINDEXREADERDEFAULT_H
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#define QHELPSEARCHINDEXREADERDEFAULT_H
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//
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//  W A R N I N G
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//  -------------
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//
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// This file is not part of the Qt API. It exists for the convenience
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// of the help generator tools. This header file may change from version
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// to version without notice, or even be removed.
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//
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// We mean it.
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//
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#include "qhelpsearchindex_default_p.h"
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#include "qhelpsearchindexreader_p.h"
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#include <QtCore/QHash>
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#include <QtCore/QPair>
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QT_BEGIN_NAMESPACE
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struct Entry;
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struct PosEntry;
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namespace qt {
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    namespace fulltextsearch {
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        namespace std {
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class Reader
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{
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    typedef QList<QStringList> DocumentList;
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    typedef QHash<QString, Entry*> EntryTable;
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    typedef QPair<EntryTable, DocumentList> Index;
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    typedef QHash<QString, Index> IndexTable;
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public:
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    Reader();
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    ~Reader();
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    bool readIndex();
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    bool initCheck() const;
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    void setIndexPath(const QString &path);
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    void filterFilesForAttributes(const QStringList &attributes);
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    void setIndexFile(const QString &namespaceName, const QString &attributes);
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    bool splitSearchTerm(const QString &searchTerm, QStringList *terms,
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        QStringList *termSeq, QStringList *seqWords);
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    void searchInIndex(const QStringList &terms);
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    QVector<DocumentInfo> hits();
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    bool searchForPattern(const QStringList &patterns,
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        const QStringList &words, const QByteArray &data);
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private:
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    QVector<Document> setupDummyTerm(const QStringList &terms, const EntryTable &entryTable);
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    QStringList getWildcardTerms(const QString &term, const EntryTable &entryTable);
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    void buildMiniIndex(const QString &string);
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    void reset();
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    void cleanupIndex(EntryTable &entryTable);
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private:
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    uint wordNum;
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    QString indexPath;
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    QString indexFile;
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    QString documentFile;
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    IndexTable indexTable;
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    QList<TermInfo> termList;
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    IndexTable searchIndexTable;
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    QHash<QString, PosEntry*> miniIndex;
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};
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class QHelpSearchIndexReaderDefault : public QHelpSearchIndexReader
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{
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    Q_OBJECT
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public:
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    QHelpSearchIndexReaderDefault();
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    ~QHelpSearchIndexReaderDefault();
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private:
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    void run();
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private:
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    Reader m_reader;
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};
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        }   // namespace std
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    }   // namespace fulltextsearch
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}   // namespace qt
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QT_END_NAMESPACE
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#endif  // QHELPSEARCHINDEXREADERDEFAULT_H