File indexing completed on 2024-04-28 03:50:29

 // SPDX-License-Identifier: LGPL-2.1-or-later
 //
 // SPDX-FileCopyrightText: 2011 Thibaut Gridel <tgridel@free.fr>
 
 #include "CacheRunner.h"
 
 #include "GeoDataDocument.h"
 #include "GeoDataExtendedData.h"
 #include "GeoDataData.h"
 #include "GeoDataPlacemark.h"
 #include "MarbleDebug.h"
 
 #include <QFile>
 #include <QDataStream>
 #include <QSet>
 
 namespace Marble
 {
 
 const quint32 MarbleMagicNumber = 0x31415926;
 
 CacheRunner::CacheRunner(QObject *parent) :
     ParsingRunner(parent)
 {
 }
 
 CacheRunner::~CacheRunner()
 {
 }
 
 GeoDataDocument* CacheRunner::parseFile( const QString &fileName, DocumentRole role, QString& error )
 {
     QFile file( fileName );
     if ( !file.exists() ) {
         error = QStringLiteral("File %1 does not exist").arg(fileName);
         mDebug() << error;
         return nullptr;
     }
 
     file.open( QIODevice::ReadOnly );
     QDataStream in( &file );
 
     // Read and check the header
     quint32 magic;
     in >> magic;
     if ( magic != MarbleMagicNumber ) {
         return nullptr;
     }
 
     // Read the version
     qint32 version;
     in >> version;
     if ( version < 015 ) {
         error = QStringLiteral("Bad cache file %1: Version %2 is too old, need 15 or later").arg(fileName).arg(version);
         mDebug() << error;
         return nullptr;
     }
     /*
       if (version > 002) {
       qDebug( "Bad file - too new!" );
       return;
       }
     */
     GeoDataDocument *document = new GeoDataDocument();
     document->setDocumentRole( role );
 
     in.setVersion( QDataStream::Qt_4_2 );
 
     // Read the data itself
     // Use double to provide a single cache file format across architectures
     double   lon;
     double   lat;
     double   alt;
     double   area;
 
     QString  tmpstr;
     qint64   tmpint64;
     qint8    tmpint8;
     qint16   tmpint16;
 
     // share string data on the heap at least for this file
     QSet<QString> stringPool;
     const QString gmtId = QStringLiteral("gmt");
     const QString dstId = QStringLiteral("dst");
 
     while ( !in.atEnd() ) {
         GeoDataPlacemark *mark = new GeoDataPlacemark;
         in >> tmpstr; tmpstr = *stringPool.insert(tmpstr);
         mark->setName( tmpstr );
         in >> lon >> lat >> alt;
         mark->setCoordinate( (qreal)(lon), (qreal)(lat), (qreal)(alt) );
         in >> tmpstr; tmpstr = *stringPool.insert(tmpstr);
         mark->setRole( tmpstr );
         in >> tmpstr; tmpstr = *stringPool.insert(tmpstr);
         mark->setDescription( tmpstr );
         in >> tmpstr; tmpstr = *stringPool.insert(tmpstr);
         mark->setCountryCode( tmpstr );
         in >> tmpstr; tmpstr = *stringPool.insert(tmpstr);
         mark->setState( tmpstr );
         in >> area;
         mark->setArea( (qreal)(area) );
         in >> tmpint64;
         mark->setPopulation( tmpint64 );
         in >> tmpint16;
         mark->extendedData().addValue(GeoDataData(gmtId, int(tmpint16)));
         in >> tmpint8;
         mark->extendedData().addValue(GeoDataData(dstId, int(tmpint8)));
 
         document->append( mark );
     }
     document->setFileName( fileName );
 
     file.close();
     return document;
 }
 
 }
 
 #include "moc_CacheRunner.cpp"