IMSAlphabetParser.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: Timo Sachsenberg $
// $Authors: Anton Pervukhin <Anton.Pervukhin@CeBiTec.Uni-Bielefeld.DE> $
// --------------------------------------------------------------------------
//
 
#pragma once
 
#include <fstream>
#include <istream>
#include <map>
#include <string>
 
#include <OpenMS/CONCEPT/Exception.h>
 
namespace OpenMS
{
 
  namespace ims
  {
 
    template <typename AlphabetElementType = double,
              typename Container = std::map<std::string, AlphabetElementType>,
              typename InputSource = std::istream>
    class IMSAlphabetParser
    {
public:
      typedef Container ContainerType;
 
      void load(const std::string & fname);
 
      virtual ContainerType & getElements() = 0;
 
      virtual void parse(InputSource & is) = 0;
 
      virtual ~IMSAlphabetParser() {}
    };
 
    template <typename AlphabetElementType, typename Container, typename InputSource>
    void IMSAlphabetParser<AlphabetElementType, Container, InputSource>::load(const std::string & fname)
    {
      std::ifstream ifs(fname.c_str());
      if (!ifs)
      {
        throw Exception::IOException(__FILE__, __LINE__, OPENMS_PRETTY_FUNCTION, fname);
      }
      this->parse(ifs);
    }
 
  } // namespace ims
} // namespace OpenMS