TempFiles.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: Chris Bielow $
// $Authors: Andreas Bertsch, Chris Bielow, Marc Sturm $
// --------------------------------------------------------------------------
 
#pragma once
 
#include <OpenMS/config.h>
 
#include <mutex>
#include <string>
#include <vector>
 
namespace OpenMS
{
  class OPENMS_DLLAPI TempDir
  {
  public:
    TempDir(bool keep_dir = false);
 
    TempDir(const std::string& base_dir, bool keep_dir = false);
 
    ~TempDir();
 
    TempDir(const TempDir&) = delete;
    TempDir& operator=(const TempDir&) = delete;
    TempDir(TempDir&&) = delete;
    TempDir& operator=(TempDir&&) = delete;
 
    const std::string& getPath() const;
 
  private:
    std::string temp_dir_;
    bool keep_dir_;
  };
 
  class OPENMS_DLLAPI TempFiles
  {
  public:
    static std::string getTemporaryFile(const std::string& alternative_file = "");
 
  private:
    class Registry_
    {
    public:
      Registry_(const Registry_&) = delete; // copy is forbidden
      Registry_& operator=(const Registry_&) = delete;
      Registry_();
      std::string newFile();
 
      ~Registry_();
    private:
      std::vector<std::string> filenames_;
      std::mutex mtx_;
    };
 
    static Registry_ registry_;
  };
}