NTRIPSourceTable.h

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#pragma once
 
#include <optional>
 
#include <QtCore/QByteArrayView>
#include <QtCore/QList>
#include <QtCore/QRangeModel>
#include <QtCore/QSortFilterProxyModel>
#include <QtCore/QString>
#include <QtCore/qnumeric.h>
#include <QtPositioning/QGeoCoordinate>
 
[[nodiscard]] bool ntripSourceTableComplete(QByteArrayView body, qsizetype checkedSize = 0);
 
struct NTRIPMountpoint
{
    Q_GADGET
    Q_PROPERTY(QString mountpoint MEMBER mountpoint FINAL)
    Q_PROPERTY(QString format MEMBER format FINAL)
    Q_PROPERTY(QString navSystem MEMBER navSystem FINAL)
    Q_PROPERTY(QString country MEMBER country FINAL)
    Q_PROPERTY(int bitrate MEMBER bitrate FINAL)
    Q_PROPERTY(double distanceKm MEMBER distanceKm FINAL)
    Q_PROPERTY(QString details READ details FINAL)
 
public:
    QString mountpoint;
    QString format;
    QString navSystem;
    QString country;
    int bitrate = 0;
    double distanceKm = -1.0;
    double latitude = qQNaN();
    double longitude = qQNaN();
 
    static std::optional<NTRIPMountpoint> fromSourceTableLine(const QString& line);
 
    void updateDistance(const QGeoCoordinate& from);
 
    QString details() const;
};
 
template <>
struct QRangeModel::RowOptions<NTRIPMountpoint>
{
    static constexpr auto rowCategory = QRangeModel::RowCategory::MultiRoleItem;
};
 
class NTRIPSourceTableModel : public QRangeModel
{
    Q_OBJECT
    Q_PROPERTY(int count READ count NOTIFY countChanged FINAL)
 
public:
    enum Roles
    {
        MountpointRole = Qt::UserRole,
        FormatRole,
        NavSystemRole,
        CountryRole,
        BitrateRole,
        DistanceKmRole,
        DetailsRole,
    };
 
    explicit NTRIPSourceTableModel(QObject* parent = nullptr);
 
    int count() const { return static_cast<int>(_mountpoints.size()); }
 
    void parseSourceTable(const QString& raw, const QGeoCoordinate& from = {});
    void updateDistances(const QGeoCoordinate& from);
    void clear();
 
signals:
    void countChanged();
 
private:
    QList<NTRIPMountpoint> _mountpoints;
};
 
class NTRIPSourceTableSortModel : public QSortFilterProxyModel
{
    Q_OBJECT
    Q_PROPERTY(int count READ count NOTIFY countChanged FINAL)
 
public:
    explicit NTRIPSourceTableSortModel(NTRIPSourceTableModel* source, QObject* parent = nullptr);
 
    int count() const { return rowCount(); }
 
signals:
    void countChanged();
 
protected:
    bool lessThan(const QModelIndex& left, const QModelIndex& right) const override;
};