Commit 6796b7a2 authored by Don Gagne's avatar Don Gagne

JSon helper routines

parent b4f7e006
......@@ -249,6 +249,7 @@ HEADERS += \
src/HomePositionManager.h \
src/Joystick/Joystick.h \
src/Joystick/JoystickManager.h \
src/JsonHelper.h \
src/LogCompressor.h \
src/MG.h \
src/MissionManager/MissionCommandList.h \
......@@ -373,6 +374,7 @@ SOURCES += \
src/HomePositionManager.cc \
src/Joystick/Joystick.cc \
src/Joystick/JoystickManager.cc \
src/JsonHelper.cc \
src/LogCompressor.cc \
src/main.cc \
src/MissionManager/MissionCommandList.cc \
......
/*===================================================================
QGroundControl Open Source Ground Control Station
(c) 2009, 2010 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
This file is part of the QGROUNDCONTROL project
QGROUNDCONTROL is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
QGROUNDCONTROL is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with QGROUNDCONTROL. If not, see <http://www.gnu.org/licenses/>.
======================================================================*/
#include "JsonHelper.h"
#include <QJsonArray>
bool JsonHelper::validateRequiredKeys(const QJsonObject& jsonObject, const QStringList& keys, QString& errorString)
{
QString missingKeys;
foreach(const QString& key, keys) {
if (!jsonObject.contains(key)) {
if (!missingKeys.isEmpty()) {
missingKeys += QStringLiteral(", ");
}
missingKeys += key;
}
}
if (missingKeys.count() != 0) {
errorString = QString("The following required keys are missing: %1").arg(missingKeys);
return false;
}
return true;
}
bool JsonHelper::toQGeoCoordinate(const QJsonValue& jsonValue, QGeoCoordinate& coordinate, bool altitudeRequired, QString& errorString)
{
if (!jsonValue.isArray()) {
errorString = QStringLiteral("JSon value for coordinate is not array");
return false;
}
QJsonArray coordinateArray = jsonValue.toArray();
int requiredCount = altitudeRequired ? 3 : 2;
if (coordinateArray.count() != requiredCount) {
errorString = QString("Json array must contains %1 values").arg(requiredCount);
return false;
}
coordinate = QGeoCoordinate(coordinateArray[0].toDouble(), coordinateArray[1].toDouble());
if (altitudeRequired) {
coordinate.setAltitude(coordinateArray[2].toDouble());
}
if (!coordinate.isValid()) {
errorString = QString("Coordinate is invalid: %1").arg(coordinate.toString());
return false;
}
return true;
}
/*=====================================================================
QGroundControl Open Source Ground Control Station
(c) 2009 - 2014 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
This file is part of the QGROUNDCONTROL project
QGROUNDCONTROL is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
QGROUNDCONTROL is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with QGROUNDCONTROL. If not, see <http://www.gnu.org/licenses/>.
======================================================================*/
#ifndef JsonHelper_H
#define JsonHelper_H
#include <QJsonObject>
#include <QGeoCoordinate>
class JsonHelper
{
public:
static bool validateRequiredKeys(const QJsonObject& jsonObject, const QStringList& keys, QString& errorString);
static bool toQGeoCoordinate(const QJsonValue& jsonValue, QGeoCoordinate& coordinate, bool altitudeRequired, QString& errorString);
};
#endif
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