Function readFromStream

source/MRIOExtras/MRStep.cpp:788–815

}

Expected<void> readFromStream( STEPControl_Reader& reader, std::istream& in )
{
    MR_TIMER;

#if STEP_READSTREAM_SUPPORTED
    if ( reader.ReadStream( "STEP file", in ) != IFSelect_RetDone )
        return unexpected( "Failed to read STEP model" );
    return {};
#else
    std::unique_lock lock( cOpenCascadeTempFileMutex );

    const auto tempFilePath = getStepTemporaryDirectory() / "tempFile.step";
    std::error_code ec;
    MR_FINALLY {
        std::filesystem::remove( tempFilePath, ec );
    };

    {
        std::ofstream ofs( tempFilePath, std::ios::binary );
        if ( !ofs )
            return unexpected( std::string( "Cannot open buffer file" ) );

        ofs << in.rdbuf();
    }

    return readFromFile( reader, tempFilePath );
#endif
}

#if !STEP_READER_FIXED
Expected<void> repairStepFile( STEPControl_Reader& reader )