File indexing completed on 2024-04-21 03:49:50

 // SPDX-License-Identifier: LGPL-2.1-or-later
 //
 // SPDX-FileCopyrightText: 2008 Henry de Valence <hdevalence@gmail.com>
 // SPDX-FileCopyrightText: 2010 Dennis Nienhüser <nienhueser@kde.org>
 // SPDX-FileCopyrightText: 2010-2013 Bernhard Beschow <bbeschow@cs.tu-berlin.de>
 // SPDX-FileCopyrightText: 2011 Thibaut Gridel <tgridel@free.fr>
 
 #include "ParsingRunnerManager.h"
 
 #include "MarbleDebug.h"
 #include "PluginManager.h"
 #include "ParseRunnerPlugin.h"
 #include "RunnerTask.h"
 
 #include <QFileInfo>
 #include <QList>
 #include <QThreadPool>
 #include <QTimer>
 #include <QMutex>
 
 namespace Marble
 {
 
 class MarbleModel;
 
 class Q_DECL_HIDDEN ParsingRunnerManager::Private
 {
 public:
     Private( ParsingRunnerManager *parent, const PluginManager *pluginManager );
 
     ~Private();
 
     void cleanupParsingTask();
     void addParsingResult(GeoDataDocument *document, const QString &error);
 
     ParsingRunnerManager *const q;
     const PluginManager *const m_pluginManager;
     QMutex m_parsingTasksMutex;
     int m_parsingTasks;
     GeoDataDocument *m_fileResult;
 };
 
 ParsingRunnerManager::Private::Private( ParsingRunnerManager *parent, const PluginManager *pluginManager ) :
     q( parent ),
     m_pluginManager( pluginManager ),
     m_parsingTasks(0),
     m_fileResult( nullptr )
 {
     qRegisterMetaType<GeoDataDocument*>( "GeoDataDocument*" );
 }
 
 ParsingRunnerManager::Private::~Private()
 {
     // nothing to do
 }
 
 void ParsingRunnerManager::Private::cleanupParsingTask()
 {
     QMutexLocker locker(&m_parsingTasksMutex);
     m_parsingTasks = qMax(0, m_parsingTasks-1);
     if (m_parsingTasks == 0) {
         emit q->parsingFinished();
     }
 }
 
 ParsingRunnerManager::ParsingRunnerManager( const PluginManager *pluginManager, QObject *parent ) :
     QObject( parent ),
     d( new Private( this, pluginManager ) )
 {
     if ( QThreadPool::globalInstance()->maxThreadCount() < 4 ) {
         QThreadPool::globalInstance()->setMaxThreadCount( 4 );
     }
 }
 
 ParsingRunnerManager::~ParsingRunnerManager()
 {
     delete d;
 }
 
 void ParsingRunnerManager::parseFile( const QString &fileName, DocumentRole role )
 {
     QList<const ParseRunnerPlugin*> plugins = d->m_pluginManager->parsingRunnerPlugins();
     const QFileInfo fileInfo( fileName );
     const QString suffix = fileInfo.suffix().toLower();
     const QString completeSuffix = fileInfo.completeSuffix().toLower();
 
     d->m_parsingTasks = 0;
     for( const ParseRunnerPlugin *plugin: plugins ) {
         QStringList const extensions = plugin->fileExtensions();
         if ( extensions.isEmpty() || extensions.contains( suffix ) || extensions.contains( completeSuffix ) ) {
             ParsingTask *task = new ParsingTask( plugin->newRunner(), this, fileName, role );
             connect( task, SIGNAL(finished()), this, SLOT(cleanupParsingTask()) );
             mDebug() << "parse task " << plugin->nameId() << " " << (quintptr)task;
             ++d->m_parsingTasks;
             QThreadPool::globalInstance()->start( task );
         }
     }
 
     if (d->m_parsingTasks == 0) {
         emit parsingFinished();
     }
 }
 
 GeoDataDocument *ParsingRunnerManager::openFile( const QString &fileName, DocumentRole role, int timeout )
 {
     d->m_fileResult = nullptr;
     QEventLoop localEventLoop;
     QTimer watchdog;
     watchdog.setSingleShot(true);
     connect( &watchdog, SIGNAL(timeout()),
              &localEventLoop, SLOT(quit()));
     connect(this, SIGNAL(parsingFinished()),
             &localEventLoop, SLOT(quit()), Qt::QueuedConnection );
 
     watchdog.start( timeout );
     parseFile( fileName, role);
     localEventLoop.exec();
     return d->m_fileResult;
 }
 
 void ParsingRunnerManager::Private::addParsingResult(GeoDataDocument *document, const QString &error)
 {
     if ( document || !error.isEmpty() ) {
         if (document) {
             m_fileResult = document;
         }
         emit q->parsingFinished( document, error );
     }
 }
 
 }
 
 #include "moc_ParsingRunnerManager.cpp"