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