Function load

src/openms/include/OpenMS/FORMAT/MS2File.h:50–165

    template <typename MapType>
    void load(const String & filename, MapType & exp)
    {
      //startProgress(0,0,"loading DTA2D file");

      if (!File::exists(filename))
      {
        throw Exception::FileNotFound(__FILE__, __LINE__, OPENMS_PRETTY_FUNCTION, filename);
      }
      if (!File::readable(filename))
      {
        throw Exception::FileNotReadable(__FILE__, __LINE__, OPENMS_PRETTY_FUNCTION, filename);
      }

      exp.reset();

      //set DocumentIdentifier
      exp.setLoadedFileType(filename);
      exp.setLoadedFilePath(filename);

      std::ifstream in(filename.c_str());

      UInt spectrum_number = 0;
      typename MapType::SpectrumType spec;
      typename MapType::SpectrumType::PeakType p;

      String line;
      bool first_spec(true);

      // line number counter
      Size line_number = 0;

      while (getline(in, line, '\n'))
      {
        ++line_number;

        line.trim();
        if (line.empty()) continue;

        // header
        if (line[0] == 'H')
        {
          continue;
        }

        // scan
        if (line[0] == 'S')
        {
          if (!first_spec)
          {
            spec.setMSLevel(2);
            spec.setNativeID(String("index=") + (spectrum_number++));
            exp.addSpectrum(spec);
          }
          else
          {
            first_spec = false;
          }
          spec.clear(true);