mirror of https://github.com/f4exb/sdrangel.git
731 lines
21 KiB
C++
731 lines
21 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2021, 2023 Jon Beniston, M7RCE <jon@beniston.com> //
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// //
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// This program 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 as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program 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 V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include "openaip.h"
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QList<Airspace *> Airspace::readXML(const QString &filename)
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{
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QList<Airspace *> airspaces;
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QFile file(filename);
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if (file.open(QIODevice::ReadOnly | QIODevice::Text))
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{
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QXmlStreamReader xmlReader(&file);
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while(!xmlReader.atEnd() && !xmlReader.hasError())
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{
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if (xmlReader.readNextStartElement())
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{
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if (xmlReader.name() == QLatin1String("ASP"))
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{
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Airspace *airspace = new Airspace();
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airspace->m_category = xmlReader.attributes().value("CATEGORY").toString();
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while(xmlReader.readNextStartElement())
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{
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if (xmlReader.name() == QLatin1String("COUNTRY"))
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{
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airspace->m_country = xmlReader.readElementText();
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}
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else if (xmlReader.name() == QLatin1String("NAME"))
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{
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airspace->m_name = xmlReader.readElementText();
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}
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else if (xmlReader.name() == QLatin1String("ALTLIMIT_TOP"))
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{
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while(xmlReader.readNextStartElement())
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{
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airspace->m_top.m_reference = xmlReader.attributes().value("REFERENCE").toString();
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airspace->m_top.m_altUnit = xmlReader.attributes().value("UNIT").toString();
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if (xmlReader.name() == QLatin1String("ALT"))
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{
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airspace->m_top.m_alt = xmlReader.readElementText().toInt();
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}
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else
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{
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xmlReader.skipCurrentElement();
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}
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}
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}
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else if (xmlReader.name() == QLatin1String("ALTLIMIT_BOTTOM"))
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{
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while(xmlReader.readNextStartElement())
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{
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airspace->m_bottom.m_reference = xmlReader.attributes().value("REFERENCE").toString();
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airspace->m_bottom.m_altUnit = xmlReader.attributes().value("UNIT").toString();
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if (xmlReader.name() == QLatin1String("ALT"))
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{
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airspace->m_bottom.m_alt = xmlReader.readElementText().toInt();
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}
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else
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{
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xmlReader.skipCurrentElement();
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}
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}
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}
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else if (xmlReader.name() == QLatin1String("GEOMETRY"))
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{
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while(xmlReader.readNextStartElement())
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{
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if (xmlReader.name() == QLatin1String("POLYGON"))
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{
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QString pointsString = xmlReader.readElementText();
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QStringList points = pointsString.split(",");
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for (const auto& ps : points)
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{
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QStringList split = ps.trimmed().split(" ");
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if (split.size() == 2)
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{
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QPointF pf(split[0].toDouble(), split[1].toDouble());
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airspace->m_polygon.append(pf);
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}
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else
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{
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qDebug() << "Airspace::readXML - Unexpected polygon point format: " << ps;
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}
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}
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}
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else
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{
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xmlReader.skipCurrentElement();
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}
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}
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}
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else
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{
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xmlReader.skipCurrentElement();
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}
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}
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airspace->calculatePosition();
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//qDebug() << "Adding airspace: " << airspace->m_name << " " << airspace->m_category;
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airspaces.append(airspace);
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}
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}
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}
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file.close();
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}
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else
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{
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// Don't warn, as many countries don't have files
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//qDebug() << "Airspace::readXML: Could not open " << filename << " for reading.";
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}
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return airspaces;
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}
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QList<NavAid *> NavAid::readXML(const QString &filename)
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{
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int uniqueId = 1;
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QList<NavAid *> navAidInfo;
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QFile file(filename);
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if (file.open(QIODevice::ReadOnly | QIODevice::Text))
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{
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QXmlStreamReader xmlReader(&file);
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while(!xmlReader.atEnd() && !xmlReader.hasError())
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{
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if (xmlReader.readNextStartElement())
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{
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if (xmlReader.name() == QLatin1String("NAVAID"))
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{
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QStringView typeRef = xmlReader.attributes().value("TYPE");
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if ((typeRef == QLatin1String("NDB"))
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|| (typeRef == QLatin1String("DME"))
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|| (typeRef == QLatin1String("VOR"))
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|| (typeRef == QLatin1String("VOR-DME"))
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|| (typeRef == QLatin1String("VORTAC"))
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|| (typeRef == QLatin1String("DVOR"))
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|| (typeRef == QLatin1String("DVOR-DME"))
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|| (typeRef == QLatin1String("DVORTAC")))
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{
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QString type = typeRef.toString();
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QString name;
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QString id;
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float lat = 0.0f;
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float lon = 0.0f;
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float elevation = 0.0f;
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float frequency = 0.0f;
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QString channel;
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int range = 25;
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float declination = 0.0f;
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bool alignedTrueNorth = false;
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while(xmlReader.readNextStartElement())
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{
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if (xmlReader.name() == QLatin1String("NAME"))
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{
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name = xmlReader.readElementText();
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}
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else if (xmlReader.name() == QLatin1String("ID"))
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{
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id = xmlReader.readElementText();
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}
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else if (xmlReader.name() == QLatin1String("GEOLOCATION"))
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{
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while(xmlReader.readNextStartElement())
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{
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if (xmlReader.name() == QLatin1String("LAT")) {
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lat = xmlReader.readElementText().toFloat();
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} else if (xmlReader.name() == QLatin1String("LON")) {
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lon = xmlReader.readElementText().toFloat();
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} else if (xmlReader.name() == QLatin1String("ELEV")) {
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elevation = xmlReader.readElementText().toFloat();
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} else {
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xmlReader.skipCurrentElement();
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}
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}
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}
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else if (xmlReader.name() == QLatin1String("RADIO"))
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{
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while(xmlReader.readNextStartElement())
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{
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if (xmlReader.name() == QLatin1String("FREQUENCY"))
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{
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if (type == "NDB") {
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frequency = xmlReader.readElementText().toFloat();
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} else {
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frequency = xmlReader.readElementText().toFloat() * 1000.0;
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}
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} else if (xmlReader.name() == QLatin1String("CHANNEL")) {
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channel = xmlReader.readElementText();
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} else {
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xmlReader.skipCurrentElement();
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}
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}
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}
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else if (xmlReader.name() == QLatin1String("PARAMS"))
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{
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while(xmlReader.readNextStartElement())
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{
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if (xmlReader.name() == QLatin1String("RANGE")) {
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range = xmlReader.readElementText().toInt();
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} else if (xmlReader.name() == QLatin1String("DECLINATION")) {
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declination = xmlReader.readElementText().toFloat();
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} else if (xmlReader.name() == QLatin1String("ALIGNEDTOTRUENORTH")) {
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alignedTrueNorth = xmlReader.readElementText() == "TRUE";
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} else {
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xmlReader.skipCurrentElement();
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}
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}
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}
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else
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{
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xmlReader.skipCurrentElement();
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}
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}
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NavAid *navAid = new NavAid();
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navAid->m_id = uniqueId++;
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navAid->m_ident = id;
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// Check idents conform to our filtering rules
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if (navAid->m_ident.size() < 2) {
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qDebug() << "NavAid::readXML: Ident less than 2 characters: " << navAid->m_ident;
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} else if (navAid->m_ident.size() > 3) {
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qDebug() << "NavAid::readXML: Ident greater than 3 characters: " << navAid->m_ident;
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}
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navAid->m_type = type;
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navAid->m_name = name;
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navAid->m_frequencykHz = frequency;
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navAid->m_channel = channel;
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navAid->m_latitude = lat;
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navAid->m_longitude = lon;
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navAid->m_elevation = elevation;
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navAid->m_range = range;
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navAid->m_magneticDeclination = declination;
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navAid->m_alignedTrueNorth = alignedTrueNorth;
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navAidInfo.append(navAid);
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}
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}
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}
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}
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file.close();
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}
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else
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{
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// Don't warn, as many countries don't have files
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//qDebug() << "NavAid::readNavAidsXML: Could not open " << filename << " for reading.";
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}
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return navAidInfo;
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}
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const QStringList OpenAIP::m_countryCodes = {
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"ad",
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"ae",
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"af",
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"ag",
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"ai",
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"al",
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"am",
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"an",
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"ao",
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"aq",
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"ar",
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"as",
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"at",
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"au",
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"aw",
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"ax",
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"az",
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"ba",
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"bb",
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"bd",
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"be",
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"bf",
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"bg",
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"bh",
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"bi",
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"bj",
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"bl",
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"bm",
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"bn",
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"bo",
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"bq",
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"br",
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"bs",
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"bt",
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"bv",
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"bw",
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"by",
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"bz",
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"ca",
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"cc",
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"cd",
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"cf",
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"cg",
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"ch",
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"ci",
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"ck",
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"cl",
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"cm",
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"cn",
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"co",
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"cr",
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"cu",
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"cv",
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"cw",
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"cx",
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"cy",
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"cz",
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"de",
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"dj",
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"dk",
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"dm",
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"do",
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"dz",
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"ec",
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"ee",
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"eg",
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"eh",
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"er",
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"es",
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"et",
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"fi",
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"fj",
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"fk",
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"fm",
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"fo",
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"fr",
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"ga",
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"gb",
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"ge",
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"gf",
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"gg",
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"gh",
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"gi",
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"gl",
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"gm",
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"gn",
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"gp",
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"gq",
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"gr",
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"gs",
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"gt",
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"gu",
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"gw",
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"gy",
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"hk",
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"hm",
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"hn",
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"hr",
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"hu",
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"id",
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"ie",
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"il",
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"im",
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"in",
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"io",
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"iq",
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"ir",
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"is",
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"it",
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"je",
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"jm",
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"jo",
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"jp",
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"ke",
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"kg",
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"kh",
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"ki",
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"km",
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"kn",
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"kp",
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"kr",
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"kw",
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"ky",
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"kz",
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"la",
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"lb",
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"lc",
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"li",
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"lk",
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"lr",
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"ls",
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"lt",
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"lu",
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"lv",
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"ly",
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"ma",
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"mc",
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"md",
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"me",
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"mf",
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"mg",
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"mh",
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"mk",
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"ml",
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"mm",
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"mn",
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"mo",
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"mp",
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"mq",
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"mr",
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"ms",
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"mt",
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"mu",
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"mv",
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"mw",
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"mx",
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"my",
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"mz",
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"na",
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"nc",
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"ne",
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"nf",
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"ng",
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"ni",
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"nl",
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"no",
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"np",
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"nr",
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"nu",
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"nz",
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"om",
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"pa",
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"pe",
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"pf",
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"pg",
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"ph",
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"pk",
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"pl",
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"pm",
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"pn",
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"pr",
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"ps",
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"pt",
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"pw",
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"py",
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"qa",
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"re",
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"ro",
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"rs",
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"ru",
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"rw",
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"sa",
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"sb",
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"sc",
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"sd",
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"se",
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"sg",
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"sh",
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"si",
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"sj",
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"sk",
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"sl",
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"sm",
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"sn",
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"so",
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"sr",
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"ss",
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"st",
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"sv",
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"sx",
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"sy",
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"sz",
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"tc",
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"td",
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"tf",
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"tg",
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"th",
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"tj",
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"tk",
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"tl",
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"tm",
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"tn",
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"to",
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"tr",
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"tt",
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"tv",
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"tw",
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"tz",
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"ua",
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"ug",
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"um",
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"us",
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"uy",
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"uz",
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"va",
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"vc",
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"ve",
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"vg",
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"vi",
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"vn",
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"vu",
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"wf",
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"ws",
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"ye",
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"yt",
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"za",
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"zm",
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"zw"
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};
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QSharedPointer<QList<Airspace *>> OpenAIP::m_airspaces;
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QSharedPointer<QList<NavAid *>> OpenAIP::m_navAids;
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QDateTime OpenAIP::m_airspacesModifiedDateTime;
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QDateTime OpenAIP::m_navAidsModifiedDateTime;
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OpenAIP::OpenAIP(QObject *parent) :
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QObject(parent)
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{
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connect(&m_dlm, &HttpDownloadManager::downloadComplete, this, &OpenAIP::downloadFinished);
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}
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OpenAIP::~OpenAIP()
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{
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disconnect(&m_dlm, &HttpDownloadManager::downloadComplete, this, &OpenAIP::downloadFinished);
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}
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QString OpenAIP::getDataDir()
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{
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// Get directory to store app data in
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QStringList locations = QStandardPaths::standardLocations(QStandardPaths::AppDataLocation);
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// First dir is writable
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return locations[0];
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}
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QString OpenAIP::getAirspaceFilename(int i)
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{
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return getAirspaceFilename(m_countryCodes[i]);
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}
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QString OpenAIP::getAirspaceFilename(const QString& countryCode)
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{
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return getDataDir() + "/" + countryCode + "_asp.xml";
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}
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QString OpenAIP::getAirspaceURL(int i)
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{
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if (i < m_countryCodes.size()) {
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return QString(OPENAIP_AIRSPACE_URL).arg(m_countryCodes[i]);
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} else {
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return QString();
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}
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}
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void OpenAIP::downloadAirspaces()
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{
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m_countryIndex = 0;
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downloadAirspace();
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}
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void OpenAIP::downloadAirspace()
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{
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QString filename = getAirspaceFilename(m_countryIndex);
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QString urlString = getAirspaceURL(m_countryIndex);
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QUrl dbURL(urlString);
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qDebug() << "OpenAIP::downloadAirspace: Downloading " << urlString;
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emit downloadingURL(urlString);
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m_dlm.download(dbURL, filename);
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}
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QString OpenAIP::getNavAidsFilename(int i)
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{
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return getNavAidsFilename(m_countryCodes[i]);
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}
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QString OpenAIP::getNavAidsFilename(const QString& countryCode)
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{
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return getDataDir() + "/" + countryCode + "_nav.xml";
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}
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QString OpenAIP::getNavAidsURL(int i)
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{
|
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if (i < m_countryCodes.size()) {
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return QString(OPENAIP_NAVAIDS_URL).arg(m_countryCodes[i]);
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} else {
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return QString();
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}
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}
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void OpenAIP::downloadNavAids()
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{
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m_countryIndex = 0;
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downloadNavAid();
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}
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void OpenAIP::downloadNavAid()
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{
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QString filename = getNavAidsFilename(m_countryIndex);
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QString urlString = getNavAidsURL(m_countryIndex);
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QUrl dbURL(urlString);
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qDebug() << "OpenAIP::downloadNavAid: Downloading " << urlString;
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emit downloadingURL(urlString);
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m_dlm.download(dbURL, filename);
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}
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void OpenAIP::downloadFinished(const QString& filename, bool success)
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{
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// Not all countries have corresponding files, so we should expect some errors
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if (!success) {
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qDebug() << "OpenAIP::downloadFinished: Failed: " << filename;
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}
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if (filename == getNavAidsFilename(m_countryIndex))
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{
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m_countryIndex++;
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if (m_countryIndex < m_countryCodes.size()) {
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downloadNavAid();
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} else {
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emit downloadNavAidsFinished();
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}
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}
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else if (filename == getAirspaceFilename(m_countryIndex))
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{
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m_countryIndex++;
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if (m_countryIndex < m_countryCodes.size()) {
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downloadAirspace();
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} else {
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emit downloadAirspaceFinished();
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}
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}
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else
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{
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qDebug() << "OpenAIP::downloadFinished: Unexpected filename: " << filename;
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emit downloadError(QString("Unexpected filename: %1").arg(filename));
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}
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}
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// Read airspaces for all countries
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QList<Airspace *> *OpenAIP::readAirspaces()
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{
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QList<Airspace *> *airspaces = new QList<Airspace *>();
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for (const auto& countryCode : m_countryCodes) {
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airspaces->append(readAirspaces(countryCode));
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}
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return airspaces;
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}
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// Read airspaces for a single country
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QList<Airspace *> OpenAIP::readAirspaces(const QString& countryCode)
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{
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return Airspace::readXML(getAirspaceFilename(countryCode));
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}
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// Read NavAids for all countries
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QList<NavAid *> *OpenAIP::readNavAids()
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{
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QList<NavAid *> *navAids = new QList<NavAid *>();
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for (const auto& countryCode : m_countryCodes) {
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navAids->append(readNavAids(countryCode));
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}
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return navAids;
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}
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// Read NavAids for a single country
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QList<NavAid *> OpenAIP::readNavAids(const QString& countryCode)
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{
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return NavAid::readXML(getNavAidsFilename(countryCode));
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}
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QSharedPointer<const QList<Airspace *>> OpenAIP::getAirspaces()
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{
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QDateTime filesDateTime = getAirspacesModifiedDateTime();
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if (!m_airspaces || (filesDateTime > m_airspacesModifiedDateTime))
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{
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// Using shared pointer, so old object, if it exists, will be deleted, when no longer user
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m_airspaces = QSharedPointer<QList<Airspace *>>(readAirspaces());
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m_airspacesModifiedDateTime = filesDateTime;
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}
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return m_airspaces;
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}
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QSharedPointer<const QList<NavAid *>> OpenAIP::getNavAids()
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{
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QDateTime filesDateTime = getNavAidsModifiedDateTime();
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if (!m_navAids || (filesDateTime > m_navAidsModifiedDateTime))
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{
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// Using shared pointer, so old object, if it exists, will be deleted, when no longer user
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m_navAids = QSharedPointer<QList<NavAid *>>(readNavAids());
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m_navAidsModifiedDateTime = filesDateTime;
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}
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return m_navAids;
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}
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// Gets the date and time the airspaces files were most recently modified
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QDateTime OpenAIP::getAirspacesModifiedDateTime()
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{
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QDateTime dateTime;
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for (const auto& countryCode : m_countryCodes)
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{
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QFileInfo fileInfo(getAirspaceFilename(countryCode));
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QDateTime fileModifiedDateTime = fileInfo.lastModified();
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if (fileModifiedDateTime > dateTime) {
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dateTime = fileModifiedDateTime;
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}
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}
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return dateTime;
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}
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// Gets the date and time the navaid files were most recently modified
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QDateTime OpenAIP::getNavAidsModifiedDateTime()
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{
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QDateTime dateTime;
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for (const auto& countryCode : m_countryCodes)
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{
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QFileInfo fileInfo(getNavAidsFilename(countryCode));
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QDateTime fileModifiedDateTime = fileInfo.lastModified();
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if (fileModifiedDateTime > dateTime) {
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dateTime = fileModifiedDateTime;
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}
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}
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return dateTime;
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}
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