mirror of
https://github.com/lucaspalomodevelop/meshlab.git
synced 2026-03-17 10:04:38 +00:00
6b698f7078
- Improved a lot the XML filter thread safety. There are still critical situation not properly managed. - Improved the old scripting system mechanism support for the XML plugins. - fixed various bugs
432 lines
14 KiB
C++
432 lines
14 KiB
C++
#include "pluginmanager.h"
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#include <QObject>
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#include <QtScript/QtScript>
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#include <vcg/complex/algorithms/create/platonic.h>
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#include "scriptinterface.h"
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#include "mlexception.h"
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static QString DLLExtension() {
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#if defined(Q_OS_WIN)
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return QString("dll");
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#elif defined(Q_OS_MAC)
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return QString("dylib");
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#else
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return QString("so");
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#endif
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assert(0 && "Unknown Operative System. Please Define the appropriate dynamic library extension");
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return QString();
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}
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static QString DLLFileNamePreamble() {
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#if defined(Q_OS_WIN)
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return QString("");
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#elif defined(Q_OS_MAC)
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return QString("lib");
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#else
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return QString("lib");
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#endif
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assert(0 && "Unknown Operative System. Please Define the appropriate dynamic library preamble");
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return QString();
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}
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PluginManager::PluginManager()
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:/*currentDocInterface(NULL),*/scriptplugcode()
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{
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//pluginsDir=QDir(getPluginDirPath());
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// without adding the correct library path in the mac the loading of jpg (done via qt plugins) fails
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//qApp->addLibraryPath(getPluginDirPath());
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//qApp->addLibraryPath(getBaseDirPath());
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}
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PluginManager::~PluginManager()
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{
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for(int ii = 0;ii < meshIOPlug.size();++ii)
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delete meshIOPlug[ii];
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for(int ii = 0;ii < meshFilterPlug.size();++ii)
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delete meshFilterPlug[ii];
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for(int ii = 0;ii < meshRenderPlug.size();++ii)
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delete meshRenderPlug[ii];
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for(int ii = 0;ii < meshDecoratePlug.size();++ii)
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delete meshDecoratePlug[ii];
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for(int ii = 0;ii < meshEditInterfacePlug.size();++ii)
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delete meshEditInterfacePlug[ii];
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for(int ii = 0;ii < meshlabXMLFilterPlug.size();++ii)
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delete meshlabXMLFilterPlug[ii];
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for(int ii = 0;ii < xmlpluginfo.size();++ii)
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MLXMLPluginInfo::destroyXMLPluginInfo(xmlpluginfo[ii]);
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}
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void PluginManager::loadPlugins(RichParameterSet& defaultGlobal)
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{
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pluginsDir=QDir(getDefaultPluginDirPath());
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// without adding the correct library path in the mac the loading of jpg (done via qt plugins) fails
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qApp->addLibraryPath(getDefaultPluginDirPath());
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qApp->addLibraryPath(getBaseDirPath());
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QStringList pluginfilters;
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pluginfilters << QString("*." + DLLExtension());
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pluginfilters << "*.xml";
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//only the file with extension pluginfilters will be listed by function entryList()
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pluginsDir.setNameFilters(pluginfilters);
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qDebug( "Current Plugins Dir is: %s ",qPrintable(pluginsDir.absolutePath()));
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scriptplugcode = "";
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ScriptAdapterGenerator gen;
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scriptplugcode += gen.mergeOptParamsCodeGenerator() + "\n";
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scriptplugcode += pluginNameSpace() + " = { };\n";
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foreach (QString fileName, pluginsDir.entryList(QDir::Files))
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{
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// qDebug() << fileName;
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QString absfilepath = pluginsDir.absoluteFilePath(fileName);
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QFileInfo fin(absfilepath);
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if (fin.suffix() == "xml")
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{
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try
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{
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loadXMLPlugin(fileName);
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}
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catch (MeshLabXMLParsingException& e)
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{
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qDebug() << e.what();
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}
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}
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else
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{
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QPluginLoader loader(absfilepath);
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QObject *plugin = loader.instance();
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if (plugin)
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{
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pluginsLoaded.push_back(fileName);
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MeshFilterInterface *iFilter = qobject_cast<MeshFilterInterface *>(plugin);
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if (iFilter)
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{
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meshFilterPlug.push_back(iFilter);
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foreach(QAction *filterAction, iFilter->actions())
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{
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filterAction->setData(QVariant(fileName));
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actionFilterMap.insert(filterAction->text(),filterAction);
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stringFilterMap.insert(filterAction->text(),iFilter);
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iFilter->initGlobalParameterSet(filterAction,defaultGlobal);
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}
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}
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MeshIOInterface *iIO = qobject_cast<MeshIOInterface *>(plugin);
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if (iIO)
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meshIOPlug.push_back(iIO);
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MeshDecorateInterface *iDecorator = qobject_cast<MeshDecorateInterface *>(plugin);
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if (iDecorator)
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{
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meshDecoratePlug.push_back(iDecorator);
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foreach(QAction *decoratorAction, iDecorator->actions())
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{
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decoratorActionList.push_back(decoratorAction);
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iDecorator->initGlobalParameterSet(decoratorAction,defaultGlobal);
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}
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}
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MeshRenderInterface *iRender = qobject_cast<MeshRenderInterface *>(plugin);
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if (iRender)
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meshRenderPlug.push_back(iRender);
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MeshEditInterfaceFactory *iEditFactory = qobject_cast<MeshEditInterfaceFactory *>(plugin);
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if(iEditFactory)
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{
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meshEditInterfacePlug.push_back(iEditFactory);
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foreach(QAction* editAction, iEditFactory->actions())
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editActionList.push_back(editAction);
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}
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}
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else
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qDebug() << loader.errorString();
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}
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}
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knownIOFormats();
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}
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/*
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This function create a map from filtername to dummy RichParameterSet.
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containing for each filtername the set of parameter that it uses.
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*/
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QMap<QString, RichParameterSet> PluginManager::generateFilterParameterMap()
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{
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QMap<QString,RichParameterSet> FPM;
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MeshDocument md;
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MeshModel* mm = md.addNewMesh("","dummy",true);
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vcg::tri::Tetrahedron<CMeshO>(mm->cm);
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mm->updateDataMask(MeshModel::MM_ALL);
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QMap<QString, QAction*>::iterator ai;
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for(ai=this->actionFilterMap.begin(); ai !=this->actionFilterMap.end();++ai)
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{
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QString filterName = ai.key();// ->filterName();
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//QAction act(filterName,NULL);
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RichParameterSet rp;
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stringFilterMap[filterName]->initParameterSet(ai.value(),md,rp);
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FPM[filterName]=rp;
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}
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return FPM;
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}
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QString PluginManager::osDependentFileBaseName(const QString &plname)
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{
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return (DLLFileNamePreamble() + plname + "."+DLLExtension());
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}
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QString PluginManager::getBaseDirPath()
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{
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QDir baseDir(qApp->applicationDirPath());
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#if defined(Q_OS_WIN)
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// Windows:
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// during development with visual studio binary could be in the debug/release subdir.
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// once deployed plugins dir is in the application directory, so
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if (baseDir.dirName() == "debug" || baseDir.dirName() == "release") baseDir.cdUp();
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#endif
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#if defined(Q_OS_MAC)
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// Mac: during developmentwith xcode and well deployed the binary is well buried.
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for(int i=0;i<6;++i){
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if(baseDir.exists("plugins")) break;
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baseDir.cdUp();
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}
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qDebug("The base dir is %s",qPrintable(baseDir.absolutePath()));
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#endif
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return baseDir.absolutePath();
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}
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QString PluginManager::getDefaultPluginDirPath()
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{
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QDir pluginsDir(getBaseDirPath());
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if(!pluginsDir.exists("plugins"))
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//QMessageBox::warning(0,"Meshlab Initialization","Serious error. Unable to find the plugins directory.");
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qDebug("Meshlab Initialization: Serious error. Unable to find the plugins directory.");
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pluginsDir.cd("plugins");
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return pluginsDir.absolutePath();
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}
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void PluginManager::knownIOFormats()
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{
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for(int inpOut = 0;inpOut < 2;++inpOut)
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{
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QStringList* formatFilters = NULL;
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QString allKnownFormatsFilter = QObject::tr("All known formats (");
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for(QVector<MeshIOInterface*>::iterator itIOPlugin = meshIOPlug.begin();itIOPlugin != meshIOPlug.end();++itIOPlugin)
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{
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MeshIOInterface* pMeshIOPlugin = *itIOPlugin;
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QList<MeshIOInterface::Format> format;
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QMap<QString,MeshIOInterface*>* map = NULL;
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if(inpOut== int(IMPORT))
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{
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map = &allKnowInputFormats;
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formatFilters = &inpFilters;
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format = pMeshIOPlugin->importFormats();
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}
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else
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{
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map = &allKnowOutputFormats;
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formatFilters = &outFilters;
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format = pMeshIOPlugin->exportFormats();
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}
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for(QList<MeshIOInterface::Format>::iterator itf = format.begin();itf != format.end();++itf)
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{
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MeshIOInterface::Format currentFormat = *itf;
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QString currentFilterEntry = currentFormat.description + " (";
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//a particular file format could be associated with more than one file extension
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QStringListIterator itExtension(currentFormat.extensions);
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while (itExtension.hasNext())
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{
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QString currentExtension = itExtension.next().toLower();
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if (!map->contains(currentExtension))
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{
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map->insert(currentExtension, pMeshIOPlugin);
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allKnownFormatsFilter.append(QObject::tr(" *."));
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allKnownFormatsFilter.append(currentExtension);
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}
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currentFilterEntry.append(QObject::tr(" *."));
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currentFilterEntry.append(currentExtension);
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}
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currentFilterEntry.append(')');
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formatFilters->append(currentFilterEntry);
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}
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}
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allKnownFormatsFilter.append(')');
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if(formatFilters!=NULL)
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formatFilters->push_front(allKnownFormatsFilter);
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}
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}
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//void PluginManager::updateDocumentScriptBindings(MeshDocument& doc )
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//{
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// //WARNING!
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// //all the currentDocInterface created will be destroyed by QT when the MeshDocument destructor has been called
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// currentDocInterface = new MeshDocumentSI(&doc);
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// QScriptValue val = env.newQObject(currentDocInterface);
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// env.globalObject().setProperty(ScriptAdapterGenerator::meshDocVarName(),val);
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//}
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QString PluginManager::pluginsCode() const
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{
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return scriptplugcode;
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}
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void PluginManager::loadXMLPlugin( const QString& fileName )
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{
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ScriptAdapterGenerator gen;
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QString absfilepath = pluginsDir.absoluteFilePath(fileName);
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QFileInfo fin(absfilepath);
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if (fin.suffix() == "xml")
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{
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QString dllfile = osDependentFileBaseName(fin.completeBaseName());
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MeshLabXMLFilterContainer fc;
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//fc.filterInterface = NULL;
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XMLMessageHandler xmlErr;
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MLXMLPluginInfo* pluginfo = MLXMLPluginInfo::createXMLPluginInfo(absfilepath,MLXMLUtilityFunctions::xmlSchemaFile(),xmlErr);
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if (pluginfo != NULL)
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{
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xmlpluginfo << pluginfo;
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fc.xmlInfo = xmlpluginfo[xmlpluginfo.size() - 1];
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// QStringList fn = fc.xmlInfo->filterNames();
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QObject* par = NULL;
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if (pluginsDir.exists(dllfile))
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{
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QPluginLoader loader(fin.absoluteDir().absolutePath() + "/" + dllfile);
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QObject* plugin = loader.instance();
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MeshLabFilterInterface* iXMLfilter = qobject_cast<MeshLabFilterInterface *>(plugin);
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if (iXMLfilter != NULL)
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{
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meshlabXMLFilterPlug << iXMLfilter;
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fc.filterInterface = meshlabXMLFilterPlug[meshlabXMLFilterPlug.size() - 1];
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par = plugin;
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}
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}
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else
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{
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// we have loaded an xml without the corresponding dll. Let's check that it is a pure javascript plugin
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bool foundANonJavaScriptFilter=false;
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foreach(QString filterName, pluginfo->filterNames())
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{
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if(pluginfo->filterElement(filterName,MLXMLElNames::filterJSCodeTag).isEmpty())
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foundANonJavaScriptFilter = true;
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}
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if(foundANonJavaScriptFilter)
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{
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throw(MeshLabXMLParsingException("We are trying to load a xml file that does not correspond to any dll or javascript code; please delete all the spurious xml files"));
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}
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par = new QObject();
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}
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QString pname = pluginfo->pluginScriptName();
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if (pname != "")
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{
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QString plugnamespace = pluginNameSpace() + "." + pname;
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//pluginnamespaces << plugnamespace;
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scriptplugcode += plugnamespace + " = { };\n";
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QStringList filters = pluginfo->filterNames();
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foreach(QString filter,filters)
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{
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QString completename = plugnamespace;
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fc.act = new QAction(filter,par);
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fc.act->setData(QVariant(dllfile));
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stringXMLFilterMap.insert(filter,fc);
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QString filterFunction = pluginfo->filterScriptCode(filter);
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if (filterFunction == "")
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filterFunction = gen.funCodeGenerator(filter,*pluginfo);
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else
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filterFunction = "{" + filterFunction + "};";
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QString jname = pluginfo->filterAttribute(filter,MLXMLElNames::filterScriptFunctName);
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completename += "." + jname;
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//filterscriptnames << completename;
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scriptplugcode += completename + " = " + filterFunction + "\n";
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completename += "(" + gen.parNames(filter,*pluginfo) + ")";
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LibraryElementInfo li;
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li.completename = completename;
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li.help = pluginfo->filterHelp(filter);
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libinfolist << li;
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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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QString err = xmlErr.statusMessage();
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qDebug("Error in XMLFile: %s - line: %d, column: %d - %s",qPrintable(fileName),xmlErr.line(),xmlErr.column(),qPrintable(err));
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}
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}
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}
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//MLXMLPluginInfo* PluginManager::getXMLPluginInfo( const QString& plugname )
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//{
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// for(int ii = 0;ii < xmlpluginfo.size();++ii)
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// if (xmlpluginfo[ii]->pluginFilePath() != plugname)
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// return xmlpluginfo[ii];
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// return NULL;
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//}
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void PluginManager::deleteXMLPlugin( const QString& plugscriptname )
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{
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bool found = false;
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int ii = 0;
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while ((ii < xmlpluginfo.size()) && !found)
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{
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if (xmlpluginfo[ii]->pluginScriptName() == plugscriptname)
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found = true;
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else
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++ii;
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}
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if (found)
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{
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QStringList removefilters;
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QSet<MeshLabFilterInterface*> tobedeleted;
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for(QMap<QString,MeshLabXMLFilterContainer>::iterator it = stringXMLFilterMap.begin();it != stringXMLFilterMap.end();)
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{
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if (xmlpluginfo[ii] == it.value().xmlInfo)
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{
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QString rem = it.key();
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if (it.value().filterInterface != NULL)
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tobedeleted.insert(it.value().filterInterface);
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++it;
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stringXMLFilterMap.remove(rem);
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}
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else
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++it;
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}
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MLXMLPluginInfo* tmp = xmlpluginfo[ii];
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xmlpluginfo.remove(ii);
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MLXMLPluginInfo::destroyXMLPluginInfo(tmp);
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for(QSet<MeshLabFilterInterface*>::iterator it = tobedeleted.begin();it != tobedeleted.end();++it)
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{
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int ii = meshlabXMLfilterPlugins().indexOf(*it);
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MeshLabFilterInterface* fi = meshlabXMLfilterPlugins()[ii];
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meshlabXMLfilterPlugins().remove(ii);
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delete fi;
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}
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}
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}
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QString PluginManager::pluginNameSpace()
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{
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return "Plugins";
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}
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QString PluginManager::osIndependentPluginName( const QString& plname )
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{
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QFileInfo fi(plname);
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QString res = fi.baseName();
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QString pref = DLLFileNamePreamble();
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return res.remove(0,pref.size());
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}
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//QString PluginManager::getLocalPluginDirPath()
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//{
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// return QString();
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//}
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