AssimpIfc.cpp

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#include "AssimpIfc.h"
 
#include <QCoreApplication>
#include <QString>
 
AssimpIfc::AssimpIfc()
    : IoAbstractLoader({"_IFC Filter", FileIOFilter::DEFAULT_PRIORITY,
                        QStringList{"ifc", "stp", "step"}, "ifc",
                        QStringList{"qMeshIO - IFC file (*.ifc *.stp *.step)"},
                        QStringList(), Import}),
      mNameMatcher("^(?<type>Ifc[^_]+)_(?<name>.*)_(?<guid>.{22})$") {
    mNameMatcher.optimize();
}
 
void AssimpIfc::_postProcess(ccHObject &ioContainer) {
    _recursiveRename(&ioContainer);
}
 
void AssimpIfc::_recursiveRename(ccHObject *ioContainer) {
    const auto cChildCount = ioContainer->getChildrenNumber();
 
    for (unsigned int i = 0; i < cChildCount; ++i) {
        _recursiveRename(ioContainer->getChild(i));
    }
 
    if (ioContainer->getName() == QLatin1String("$RelAggregates")) {
        ioContainer->setName(
                QCoreApplication::translate("qMeshIO", "Unnamed Group"));
    } else {
        auto match = mNameMatcher.match(ioContainer->getName());
 
        if (match.hasMatch()) {
            // Split names of the form:
            //    IfcBeam_Holzbalken-4_1X4dAmiW97Nurao$8fngpg
            // into type, name, and GUID:
            //    IfcBeam, Holzbalken-4, 1X4dAmiW97Nurao$8fngpg
            // Then rename our node with "name" put "type" and "GUID" into our
            // meta data
 
            const QString cType = match.captured("type");
            const QString cName = match.captured("name");
            const QString cGUID = match.captured("guid");
 
            ioContainer->setMetaData("IFC Type", cType);
            ioContainer->setMetaData("IFC GUID", cGUID);
 
            ioContainer->setName(cName);
        }
    }
}