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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Assistant of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, 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.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QHELPSEARCHINDEXREADERDEFAULT_H
#define QHELPSEARCHINDEXREADERDEFAULT_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 "qhelpsearchindex_default_p.h"
#include "qhelpsearchengine.h"
#include <QtCore/QHash>
#include <QtCore/QPair>
#include <QtCore/QList>
#include <QtCore/QMutex>
#include <QtCore/QString>
#include <QtCore/QThread>
#include <QtCore/QObject>
#include <QtCore/QVector>
#include <QtCore/QByteArray>
#include <QtCore/QStringList>
#include <QtCore/QWaitCondition>
QT_BEGIN_NAMESPACE
struct Entry;
struct PosEntry;
namespace qt {
namespace fulltextsearch {
namespace std {
class Reader
{
typedef QList<QStringList> DocumentList;
typedef QHash<QString, Entry*> EntryTable;
typedef QPair<EntryTable, DocumentList> Index;
typedef QHash<QString, Index> IndexTable;
public:
Reader();
~Reader();
bool readIndex();
bool initCheck() const;
void setIndexPath(const QString &path);
void filterFilesForAttributes(const QStringList &attributes);
void setIndexFile(const QString &namespaceName, const QString &attributes);
bool splitSearchTerm(const QString &searchTerm, QStringList *terms,
QStringList *termSeq, QStringList *seqWords);
void searchInIndex(const QStringList &terms);
QVector<DocumentInfo> hits();
bool searchForPattern(const QStringList &patterns,
const QStringList &words, const QByteArray &data);
private:
QVector<Document> setupDummyTerm(const QStringList &terms, const EntryTable &entryTable);
QStringList getWildcardTerms(const QString &term, const EntryTable &entryTable);
void buildMiniIndex(const QString &string);
void reset();
void cleanupIndex(EntryTable &entryTable);
private:
uint wordNum;
QString indexPath;
QString indexFile;
QString documentFile;
IndexTable indexTable;
QList<TermInfo> termList;
IndexTable searchIndexTable;
QHash<QString, PosEntry*> miniIndex;
};
class QHelpSearchIndexReader : public QThread
{
Q_OBJECT
public:
QHelpSearchIndexReader();
~QHelpSearchIndexReader();
void cancelSearching();
void search(const QString &collectionFile,
const QString &indexFilesFolder,
const QList<QHelpSearchQuery> &queryList);
int hitsCount() const;
QHelpSearchEngine::SearchHit hit(int index) const;
signals:
void searchingStarted();
void searchingFinished(int hits);
private:
void run();
private:
QMutex mutex;
Reader m_reader;
QWaitCondition waitCondition;
QList<QHelpSearchEngine::SearchHit> hitList;
bool m_cancel;
QList<QHelpSearchQuery> m_query;
QString m_collectionFile;
QString m_indexFilesFolder;
};
} // namespace std
} // namespace fulltextsearch
} // namespace qt
QT_END_NAMESPACE
#endif // QHELPSEARCHINDEXREADERDEFAULT_H
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