CachedMzML.h

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// Copyright (c) 2002-present, OpenMS Inc. -- EKU Tuebingen, ETH Zurich, and FU Berlin
// SPDX-License-Identifier: BSD-3-Clause
//
// --------------------------------------------------------------------------
// $Maintainer: Hannes Roest $
// $Authors: Hannes Roest $
// --------------------------------------------------------------------------
 
#pragma once
 
#include <OpenMS/KERNEL/MSExperiment.h>
 
#include <fstream>
 
namespace OpenMS
{
 
  class OPENMS_DLLAPI CachedmzML
  {
 
public:
 
    CachedmzML();
 
    CachedmzML(const std::string& filename);
 
    CachedmzML(const CachedmzML & rhs);
 
    ~CachedmzML();
 
    MSSpectrum getSpectrum(Size id);
 
    MSChromatogram getChromatogram(Size id);
 
    size_t getNrSpectra() const;
 
    size_t getNrChromatograms() const;
 
    const MSExperiment& getMetaData() const
    {
      return meta_ms_experiment_;
    }
 
    static void store(const std::string& filename, const PeakMap& map);
 
    static void load(const std::string& filename, CachedmzML& map);
 
protected:
 
    void load_(const std::string& filename);
 
    MSExperiment meta_ms_experiment_;
 
    std::ifstream ifs_;
 
    std::string filename_;
 
    std::string filename_cached_;
 
    std::vector<std::streampos> spectra_index_;
    std::vector<std::streampos> chrom_index_;
 
  };
}