Method RestoreDocFile

src/Mod/Fem/App/PropertyPostDataObject.cpp:455–585

}

void PropertyPostDataObject::RestoreDocFile(Base::Reader& reader)
{
    Base::FileInfo xml(reader.getFileName());
    // create a temporary file and copy the content from the zip stream
    Base::FileInfo fi(App::Application::getTempFileName());
    Base::FileInfo fo;

    // read in the ASCII file and write back to the file stream
    Base::ofstream file(fi, std::ios::out | std::ios::binary);
    unsigned long ulSize = 0;
    if (reader) {
        std::streambuf* buf = file.rdbuf();
        reader >> buf;
        file.flush();
        ulSize = buf->pubseekoff(0, std::ios::cur, std::ios::in);
    }
    file.close();

    // Read the data from the temp file
    if (ulSize > 0) {
        std::string extension = xml.extension();

        // TODO: read in of composite data structures need to be coded,
        // including replace of "GetOutputAsDataSet()"
        vtkSmartPointer<vtkXMLReader> xmlReader = nullptr;
        if (extension == "vtp") {
            xmlReader = vtkSmartPointer<vtkXMLPolyDataReader>::New();
        }
        else if (extension == "vts") {
            xmlReader = vtkSmartPointer<vtkXMLStructuredGridReader>::New();
        }
        else if (extension == "vtr") {
            xmlReader = vtkSmartPointer<vtkXMLRectilinearGridReader>::New();
        }
        else if (extension == "vtu") {
            xmlReader = vtkSmartPointer<vtkXMLUnstructuredGridReader>::New();
        }
        else if (extension == "vti") {
            xmlReader = vtkSmartPointer<vtkXMLImageDataReader>::New();
        }
        else if (extension == "vtt") {
            xmlReader = vtkSmartPointer<vtkXMLTableReader>::New();
        }
        else if (extension == "zip") {

            // first unzip the file into a datafolder
            zipios::ZipInputStream ZipReader(fi.filePath());
            fo = Base::FileInfo(App::Application::getTempPath() + "vtk_extract_datadir");
            fo.createDirectories();

            try {
                zipios::ConstEntryPointer entry = ZipReader.getNextEntry();
                while (entry->isValid()) {
                    Base::FileInfo entry_path(fo.filePath() + entry->getName());
                    if (entry->isDirectory()) {
                        // seems not to be called
                        entry_path.createDirectories();
                    }