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/*===================================================================
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>
const char* JsonHelper::_enumStringsJsonKey = "enumStrings";
const char* JsonHelper::_enumValuesJsonKey = "enumValues";
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("Coordinate array must contain %1 values").arg(requiredCount);
return false;
}
foreach(const QJsonValue& jsonValue, coordinateArray) {
if (jsonValue.type() != QJsonValue::Double) {
errorString = QString("Coordinate array may only contain double values, found: %1").arg(jsonValue.type());
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;
}
void JsonHelper::writeQGeoCoordinate(QJsonValue& jsonValue, const QGeoCoordinate& coordinate, bool writeAltitude)
{
QJsonArray coordinateArray;
coordinateArray << coordinate.latitude() << coordinate.longitude();
if (writeAltitude) {
coordinateArray << coordinate.altitude();
}
jsonValue = QJsonValue(coordinateArray);
}
bool JsonHelper::validateKeyTypes(const QJsonObject& jsonObject, const QStringList& keys, const QList<QJsonValue::Type>& types, QString& errorString)
{
for (int i=0; i<keys.count(); i++) {
if (jsonObject.contains(keys[i])) {
if (jsonObject.value(keys[i]).type() != types[i]) {
errorString = QString("Incorrect type key:type:expected %1 %2 %3").arg(keys[i]).arg(jsonObject.value(keys[i]).type()).arg(types[i]);
return false;
}
}
}
return true;
}
bool JsonHelper::parseEnum(QJsonObject& jsonObject, QStringList& enumStrings, QStringList& enumValues, QString& errorString)
{
enumStrings = jsonObject.value(_enumStringsJsonKey).toString().split(",", QString::SkipEmptyParts);
enumValues = jsonObject.value(_enumValuesJsonKey).toString().split(",", QString::SkipEmptyParts);
if (enumStrings.count() != enumValues.count()) {
errorString = QString("enum strings/values count mismatch: %1");
return false;
}
return true;
}