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-/****************************************************************************
-**
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** 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 Technology Preview License Agreement accompanying
-** this package.
-**
-** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** If you have questions regarding the use of this file, please contact
-** Nokia at qt-info@nokia.com.
-**
-**
-**
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef INDEX_H
-#define INDEX_H
-
-#include <QStringList>
-#include <QHash>
-#include <QDataStream>
-#include <QObject>
-#include <QList>
-#include <QFile>
-#include <QVector>
-
-QT_BEGIN_NAMESPACE
-
-struct Document {
- Document( int d, int f ) : docNumber( d ), frequency( f ) {}
- Document() : docNumber( -1 ), frequency( 0 ) {}
- bool operator==( const Document &doc ) const {
- return docNumber == doc.docNumber;
- }
- bool operator<( const Document &doc ) const {
- return frequency > doc.frequency;
- }
- bool operator<=( const Document &doc ) const {
- return frequency >= doc.frequency;
- }
- bool operator>( const Document &doc ) const {
- return frequency < doc.frequency;
- }
- qint16 docNumber;
- qint16 frequency;
-};
-
-QDataStream &operator>>( QDataStream &s, Document &l );
-QDataStream &operator<<( QDataStream &s, const Document &l );
-
-class Index : public QObject
-{
- Q_OBJECT
-public:
- struct Entry {
- Entry( int d ) { documents.append( Document( d, 1 ) ); }
- Entry( QVector<Document> l ) : documents( l ) {}
- QVector<Document> documents;
- };
- struct PosEntry {
- PosEntry( int p ) { positions.append( p ); }
- QList<uint> positions;
- };
-
- Index( const QString &dp, const QString &hp );
- Index( const QStringList &dl, const QString &hp );
- void writeDict();
- void readDict();
- int makeIndex();
- QStringList query( const QStringList&, const QStringList&, const QStringList& );
- QString getDocumentTitle( const QString& );
- void setDictionaryFile( const QString& );
- void setDocListFile( const QString& );
- void setDocList( const QStringList & );
-
-signals:
- void indexingProgress( int );
-
-private slots:
- void setLastWinClosed();
-
-private:
- void setupDocumentList();
- void parseDocument( const QString&, int );
- void insertInDict( const QString&, int );
- void writeDocumentList();
- void readDocumentList();
- QStringList getWildcardTerms( const QString& );
- QStringList split( const QString& );
- QVector<Document> setupDummyTerm( const QStringList& );
- bool searchForPattern( const QStringList&, const QStringList&, const QString& );
- void buildMiniDict( const QString& );
- QString getCharsetForDocument(QFile *);
- QStringList docList;
- QHash<QString, Entry*> dict;
- QHash<QString, PosEntry*> miniDict;
- uint wordNum;
- QString docPath;
- QString dictFile, docListFile;
- bool alreadyHaveDocList;
- bool lastWindowClosed;
- QHash<QString, QString> documentTitleCache;
-};
-
-#endif
-
-QT_END_NAMESPACE