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125 lines
3.9 KiB
125 lines
3.9 KiB
15 years ago
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/**********************************************************************
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** Copyright (C) 2000-2003 Trolltech AS. All rights reserved.
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**
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** This file is part of the Qt Assistant.
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**
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file.
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**
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** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
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** licenses may use this file in accordance with the Qt Commercial License
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** Agreement provided with the Software.
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**
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**
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** See http://www.trolltech.com/gpl/ for GPL licensing information.
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** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
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** information about Qt Commercial License Agreements.
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**
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** Contact info@trolltech.com if any conditions of this licensing are
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** not clear to you.
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**
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**********************************************************************/
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#ifndef INDEX_H
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#define INDEX_H
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#include <qstringlist.h>
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#include "kvi_pointerhashtable.h"
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#include "kvi_pointerlist.h"
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#include "kvi_valuelist.h"
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#include <qdatastream.h>
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#include <qobject.h>
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struct Document {
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Document( int d, int f ) : docNumber( d ), frequency( f ) {}
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Document() : docNumber( -1 ), frequency( 0 ) {}
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bool operator==( const Document &doc ) const {
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return docNumber == doc.docNumber;
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}
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bool operator<( const Document &doc ) const {
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return frequency > doc.frequency;
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}
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bool operator<=( const Document &doc ) const {
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return frequency >= doc.frequency;
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}
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bool operator>( const Document &doc ) const {
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return frequency < doc.frequency;
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}
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Q_INT16 docNumber;
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Q_INT16 frequency;
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};
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QDataStream &operator>>( QDataStream &s, Document &l );
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QDataStream &operator<<( QDataStream &s, const Document &l );
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class Index : public QObject
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{
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Q_OBJECT
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public:
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struct Entry {
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Entry( int d ) { documents.append( Document( d, 1 ) ); }
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Entry( KviValueList<Document> l ) : documents( l ) {}
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KviValueList<Document> documents;
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};
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struct PosEntry {
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PosEntry( int p ) { positions.append( p ); }
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KviValueList<uint> positions;
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};
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Index( const QString &dp, const QString &hp );
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Index( const QStringList &dl, const QString &hp );
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void writeDict();
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void readDict();
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int makeIndex();
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QStringList query( const QStringList&, const QStringList&, const QStringList& );
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QString getDocumentTitle( const QString& );
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void setDictionaryFile( const QString& );
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void setDocListFile( const QString& );
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void writeDocumentList();
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void readDocumentList();
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void setupDocumentList();
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const QStringList& documentList() { return docList; };
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const QStringList& titlesList() { return titleList; };
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signals:
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void indexingProgress( int );
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private slots:
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void setLastWinClosed();
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private:
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void parseDocument( const QString&, int );
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void insertInDict( const QString&, int );
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QStringList getWildcardTerms( const QString& );
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QStringList split( const QString& );
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KviValueList<Document> setupDummyTerm( const QStringList& );
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bool searchForPattern( const QStringList&, const QStringList&, const QString& );
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void buildMiniDict( const QString& );
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QStringList docList;
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QStringList titleList;
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KviPointerHashTable<QString,Entry> dict;
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KviPointerHashTable<QString,PosEntry> miniDict;
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uint wordNum;
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QString docPath;
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QString dictFile, docListFile;
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bool alreadyHaveDocList;
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bool lastWindowClosed;
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};
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struct Term {
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Term( const QString &t, int f, KviValueList<Document> l )
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: term( t ), frequency( f ), documents( l ) {}
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QString term;
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int frequency;
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KviValueList<Document>documents;
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};
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#define TermList KviPointerList<Term>
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#endif
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