qpageranges.h - mozsearch

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// Copyright (C) 2020 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

// Qt-Security score:significant reason:default

#ifndef QPAGERANGES_H

#define QPAGERANGES_H

#include <QtGui/qtguiglobal.h>

#include <QtCore/qstring.h>

#include <QtCore/qlist.h>

#include <QtCore/qshareddata.h>

#include <QtCore/qmetatype.h>

QT_BEGIN_NAMESPACE

class QDebug;

class QDataStream;

class QPageRangesPrivate;

QT_DECLARE_QESDP_SPECIALIZATION_DTOR_WITH_EXPORT(QPageRangesPrivate, Q_GUI_EXPORT)

class Q_GUI_EXPORT QPageRanges

public:

    QPageRanges();

    ~QPageRanges();

    QPageRanges(const QPageRanges &other) noexcept;

    QPageRanges &operator=(const QPageRanges &other) noexcept;

    QPageRanges(QPageRanges &&other) noexcept = default;

    QT_MOVE_ASSIGNMENT_OPERATOR_IMPL_VIA_PURE_SWAP(QPageRanges)

    void swap(QPageRanges &other) noexcept

    { d.swap(other.d); }

    friend bool operator==(const QPageRanges &lhs, const QPageRanges &rhs) noexcept

    { return lhs.isEqual(rhs); }

    friend bool operator!=(const QPageRanges &lhs, const QPageRanges &rhs) noexcept

    { return !lhs.isEqual(rhs); }

    struct Range {

        int from = -1;

        int to = -1;

        bool contains(int pageNumber) const noexcept

        { return from <= pageNumber && to >= pageNumber; }

        friend bool operator==(Range lhs, Range rhs) noexcept

        { return lhs.from == rhs.from && lhs.to == rhs.to; }

        friend bool operator!=(Range lhs, Range rhs) noexcept

        { return !(lhs == rhs); }

        friend bool operator<(Range lhs, Range rhs) noexcept

        { return lhs.from < rhs.from || (!(rhs.from < lhs.from) && lhs.to < rhs.to); }

};

    void addPage(int pageNumber);

    void addRange(int from, int to);

    QList<Range> toRangeList() const;

    void clear();

    QString toString() const;

    static QPageRanges fromString(const QString &ranges);

    bool contains(int pageNumber) const;

    bool isEmpty() const;

    int firstPage() const;

    int lastPage() const;

    void detach();

private:

    bool isEqual(const QPageRanges &other) const noexcept;

    QExplicitlySharedDataPointer<QPageRangesPrivate> d;

};

#ifndef QT_NO_DATASTREAM

Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QPageRanges &);

Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QPageRanges &);

#endif

#ifndef QT_NO_DEBUG_STREAM

Q_GUI_EXPORT QDebug operator<<(QDebug dbg, const QPageRanges &pageRanges);

#endif

Q_DECLARE_SHARED(QPageRanges)

Q_DECLARE_TYPEINFO(QPageRanges::Range, Q_RELOCATABLE_TYPE);

QT_END_NAMESPACE

QT_DECL_METATYPE_EXTERN(QPageRanges, Q_GUI_EXPORT)

#endif // QPAGERANGES_H