Method startElement

src/openms/source/FORMAT/PepXMLFile.cpp:1084–1971

  */

  void PepXMLFile::startElement(const XMLCh* const /*uri*/,
                                const XMLCh* const /*local_name*/,
                                const XMLCh* const qname,
                                const xercesc::Attributes& attributes)
  {
    String element = sm_.convert(qname);

    // cout << "Start: " << element << "\n";

    if (element == "msms_run_summary") // parent: "msms_pipeline_analysis"
    {
      if (!exp_name_.empty())
      {
        String base_name = attributeAsString_(attributes, "base_name");
        if (!base_name.empty())
        {
          wrong_experiment_ = !base_name.hasSuffix(exp_name_);
          seen_experiment_ = seen_experiment_ || !wrong_experiment_;
          checked_base_name_ = true;
        }
        else // really shouldn't happen, but does for Mascot export to pepXML
        {
          error(LOAD, "'base_name' attribute of 'msms_run_summary' element is empty");
          // continue for now, but check later in 'search_summary':
          wrong_experiment_ = false;
          checked_base_name_ = false;
        }
      }
      if (wrong_experiment_) return;

      // create a ProteinIdentification in case "search_summary" is missing:
      ProteinIdentification protein;
      protein.setDateTime(date_);
      prot_id_ = "unknown_" + date_.getDate();
      enzyme_ = "unknown_enzyme";
      // "prot_id_" will be overwritten if elem. "search_summary" is present
      protein.setIdentifier(prot_id_);
      proteins_->push_back(protein);
      current_proteins_.clear();
      current_proteins_.push_back(--proteins_->end());
    }
    else if (element == "analysis_summary") // parent: "msms_pipeline_analysis"
    {
      // this element can contain "search summary" elements, which we only
      // expect as subelements of "msms_run_summary", so skip the whole thing
      analysis_summary_ = true;
    }
    else if (wrong_experiment_ || analysis_summary_)
    {
      // do nothing here (this case exists to prevent parsing of elements for
      // experiments we're not interested in or for analysis summaries)
    }
    // now, elements occurring more frequently are generally closer to the top
    else if (element == "search_score") // parent: "search_hit"
    {
      String name = attributeAsString_(attributes, "name");
      double value;