MascotInfile.h

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// Copyright (c) 2002-2023, The OpenMS Team -- EKU Tuebingen, ETH Zurich, and FU Berlin
// SPDX-License-Identifier: BSD-3-Clause
//
// --------------------------------------------------------------------------
// $Maintainer: Timo Sachsenberg $
// $Authors: $
// --------------------------------------------------------------------------
 
#pragma once
 
#include <OpenMS/KERNEL/MSExperiment.h>
#include <OpenMS/DATASTRUCTURES/String.h>
#include <OpenMS/SYSTEM/File.h>
#include <OpenMS/CONCEPT/ProgressLogger.h>
#include <OpenMS/KERNEL/StandardTypes.h>
 
#include <vector>
#include <fstream>
 
namespace OpenMS
{
  class OPENMS_DLLAPI MascotInfile :
    public ProgressLogger
  {
public:
 
    MascotInfile();
 
    ~MascotInfile() override;
 
    void store(const String & filename, const PeakSpectrum & spec, double mz, double retention_time, String search_title);
 
    void store(const String & filename, const PeakMap & experiment, String search_title);
 
    template <typename MapType>
    void load(const String & filename, MapType & exp)
    {
      exp.reset();
      if (!File::exists(filename))
      {
        throw Exception::FileNotFound(__FILE__, __LINE__, OPENMS_PRETTY_FUNCTION, filename);
      }
 
      std::ifstream is(filename.c_str());
      std::vector<std::pair<double, double> > spec;
      UInt charge(0);
      double pre_mz(0), pre_int(0), rt(-1);
      String title;
      while (getNextSpectrum_(is, spec, charge, pre_mz, pre_int, rt, title))
      {
        typename MapType::SpectrumType spectrum;
        for (std::vector<std::pair<double, double> >::const_iterator it = spec.begin(); it != spec.end(); ++it)
        {
          typename MapType::PeakType p;
          p.setPosition(it->first);
          p.setIntensity(it->second);
          spectrum.push_back(p);
        }
        spectrum.setMSLevel(2);
        spectrum.getPrecursors().resize(1);
        spectrum.getPrecursors()[0].setMZ(pre_mz);
        spectrum.getPrecursors()[0].setIntensity(pre_int);
        spectrum.getPrecursors()[0].setCharge(charge);
        spectrum.setRT(rt);
        if (!title.empty())
        {
          spectrum.setMetaValue("TITLE", title);
          title = "";
        }
 
        exp.addSpectrum(spectrum);
 
        // clean up
        spec.clear();
        charge = 0;
        pre_mz = 0;
        pre_int = 0;
      }
    }
 
    const String & getBoundary();
    void setBoundary(const String & boundary);
 
    const String & getDB();
    void setDB(const String & db);
 
    const String & getSearchType();
    void setSearchType(const String & search_type);
 
    const String & getHits();
    void setHits(const String & hits);
 
    const String & getCleavage();
    void setCleavage(const String & cleavage);
 
    const String & getMassType();
    void setMassType(const String & mass_type);
 
    const std::vector<String> & getModifications();
    void setModifications(const std::vector<String> & mods);
 
    const std::vector<String> & getVariableModifications();
    void setVariableModifications(const std::vector<String> & mods);
 
    const String & getInstrument();
    void setInstrument(const String & instrument);
 
    UInt getMissedCleavages() const;
    void setMissedCleavages(UInt missed_cleavages);
 
    float getPrecursorMassTolerance() const;
    void setPrecursorMassTolerance(float precursor_mass_tolerance);
 
    float getPeakMassTolerance() const;
    void setPeakMassTolerance(float ion_mass_tolerance);
 
    const String & getTaxonomy();
    void setTaxonomy(const String & taxonomy);
 
    const String & getFormVersion();
    void setFormVersion(const String & form_version);
 
    const String & getCharges();
    void setCharges(std::vector<Int> & charges);
 
protected:
    double mz_;
 
    String charges_;
 
    String search_title_;
 
    String db_;
 
    String search_type_;
 
    String hits_;
 
    String cleavage_;
 
    String mass_type_;
 
    std::vector<String> mods_;
 
    std::vector<String> variable_mods_;
 
    String instrument_;
 
    UInt missed_cleavages_;
 
    float precursor_mass_tolerance_;
 
    float ion_mass_tolerance_;
 
    String taxonomy_;
 
    String form_version_;
 
    String boundary_;
 
    double retention_time_;
 
    void writeParameterHeader_(const String & name, FILE * fp, bool line_break = true);
 
    void writeHeader_(FILE * fp);
 
    void writeSpectrum_(FILE * fp,
                        const String & filename,
                        const PeakSpectrum & peaks);
 
    void writeMSExperiment_(FILE * fp,
                            const String & filename,
                            const PeakMap & experiment);
 
    bool getNextSpectrum_(std::istream & is, std::vector<std::pair<double, double> > & spectrum, UInt & charge, double & precursor_mz, double & precursor_int, double & rt, String & title);
  };
 
} // namespace OpenMS