CompInfoParam.h

/****************************************************************************
 *
 * (c) 2009-2020 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
 *
 * QGroundControl is licensed according to the terms in the file
 * COPYING.md in the root of the source code directory.
 *
 ****************************************************************************/

#pragma once

#include "CompInfo.h"
#include "QGCMAVLink.h"
#include "QGCLoggingCategory.h"
#include "FactMetaData.h"

#include <QObject>

class FactMetaData;
class Vehicle;
class FirmwarePlugin;

Q_DECLARE_LOGGING_CATEGORY(CompInfoParamLog)

class CompInfoParam : public CompInfo
{
    Q_OBJECT

public:
    CompInfoParam(uint8_t compId, Vehicle* vehicle, QObject* parent = nullptr);

    FactMetaData* factMetaDataForName(const QString& name, FactMetaData::ValueType_t type);

    // Overrides from CompInfo
    void setJson(const QString& metadataJsonFileName, const QString& translationJsonFileName) override;

    // The following methods are used to support the old non-COMPONENT_INFORMATION based mechanism to get parameter meta data
    bool _isParameterVolatile       (const QString& name);
    void _parameterMajorVersionKnown(int wantedMajorVersion);
    void _clearPX4ParameterMetaData (void);
    static void _cachePX4MetaDataFile(const QString& metaDataFile);

private:
    static FirmwarePlugin*  _anyVehicleTypeFirmwarePlugin   (MAV_AUTOPILOT firmwareType);
    static QString          _parameterMetaDataFile          (Vehicle* vehicle, MAV_AUTOPILOT firmwareType, int wantedMajorVersion, int& majorVersion, int& minorVersion);

    bool                                _noJsonMetadata             = true;
    FactMetaData::NameToMetaDataMap_t   _nameToMetaDataMap;
    QObject*                            _opaqueParameterMetaData    = nullptr;

    static const char* _cachedMetaDataFilePrefix;

    static const char* _jsonScopeKey;
    static const char* _jsonParametersKey;
};