/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (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.
**
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** additional rights. These rights are described in the Nokia Qt LGPL
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**
** 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
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**
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** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QHELPSEARCHINDEXDEFAULT_H
#define QHELPSEARCHINDEXDEFAULT_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 <QtCore/QString>
#include <QtCore/QVector>
#include <QtCore/QDataStream>

QT_BEGIN_NAMESPACE

namespace QtHelpInternal {

struct Document {
    Document(qint16 d, qint16 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;
};

struct DocumentInfo : public Document {
    DocumentInfo()
        : Document(-1, 0), documentTitle(QString()), documentUrl(QString()) {}

    DocumentInfo(qint16 d, qint16 f, const QString &title, const QString &url)
        : Document(d, f), documentTitle(title), documentUrl(url) {}

    DocumentInfo(const Document &document, const QString &title, const QString &url)
        : Document(document.docNumber, document.frequency), documentTitle(title), documentUrl(url) {}

    QString documentTitle;
    QString documentUrl;
};

struct Entry {
    Entry(qint16 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;
};

struct Term {
    Term() : frequency(-1) {}
    Term(const QString &t, int f, QVector<Document> l) : term(t), frequency(f), documents(l) {}
    QString term;
    int frequency;
    QVector<Document>documents;
    bool operator<(const Term &i2) const { return frequency < i2.frequency; }
};

struct TermInfo {
    TermInfo() : frequency(-1) {}
    TermInfo(const QString &t, int f, QVector<DocumentInfo> l)
        : term(t), frequency(f), documents(l) {}

    bool operator<(const TermInfo &i2) const { return frequency < i2.frequency; }

    QString term;
    int frequency;
    QVector<DocumentInfo>documents;
};

} // namespace QtHelpInternal

using QtHelpInternal::Document;
using QtHelpInternal::DocumentInfo;
using QtHelpInternal::Entry;
using QtHelpInternal::PosEntry;
using QtHelpInternal::Term;
using QtHelpInternal::TermInfo;

QDataStream &operator>>(QDataStream &s, Document &l);
QDataStream &operator<<(QDataStream &s, const Document &l);

QT_END_NAMESPACE

#endif  // QHELPSEARCHINDEXDEFAULT_H