File.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: Chris Bielow $
// $Authors: Andreas Bertsch, Chris Bielow, Marc Sturm $
// --------------------------------------------------------------------------
 
#pragma once
 
#include <OpenMS/DATASTRUCTURES/StringListUtils.h>
#include <OpenMS/config.h>
#include <cstdlib>
#include <mutex>
 
 
namespace OpenMS
{
  class Param;
  class TOPPBase;
 
  class OPENMS_DLLAPI File
  {
public:
 
    friend class TOPPBase;
 
    class OPENMS_DLLAPI TempDir
    {
    public:
      
      TempDir(bool keep_dir = false);
 
      ~TempDir();
 
      TempDir(const TempDir&) = delete;
      TempDir& operator=(const TempDir&) = delete;
      TempDir(TempDir&&) = delete;
      TempDir& operator=(TempDir&&) = delete;
 
      const String& getPath() const;
 
    private:
      String temp_dir_;
      bool keep_dir_;
    };
 
    static String getExecutablePath();
 
    static bool exists(const String& file);
 
    static bool empty(const String& file);
 
    static bool executable(const String& file);
 
    static UInt64 fileSize(const String& file);
 
    static bool rename(const String& from, const String& to, bool overwrite_existing = true, bool verbose = true);
 
    enum class CopyOptions {OVERWRITE,SKIP,CANCEL};
    static bool copyDirRecursively(const QString &from_dir, const QString &to_dir, File::CopyOptions option = CopyOptions::OVERWRITE);
 
    static bool remove(const String& file);
 
    static bool removeDirRecursively(const String& dir_name);
 
    static bool removeDir(const QString& dir_name);
 
    static String absolutePath(const String& file);
 
    static String basename(const String& file);
 
    static String path(const String& file);
 
    static bool readable(const String& file);
 
    static bool writable(const String& file);
 
    static bool isDirectory(const String& path);
 
    static String find(const String& filename, StringList directories = StringList());
 
    static bool fileList(const String& dir, const String& file_pattern, StringList& output, bool full_path = false);
 
    static String findDoc(const String& filename);
    
    static String getUniqueName(bool include_hostname = true);
 
    static String getOpenMSDataPath();
 
    static String getOpenMSHomePath();
 
    static String getTempDirectory();
 
    static String getUserDirectory();
 
    static Param getSystemParameters();
 
    static String findDatabase(const String& db_name);
 
    static StringList getPathLocations(const String& path = std::getenv("PATH"));
 
    static bool findExecutable(OpenMS::String& exe_filename);
 
    static String findSiblingTOPPExecutable(const String& toolName);
 
    static String getTemporaryFile(const String& alternative_file = "");
 
    static bool validateMatchingFileNames(const StringList& sl1, const StringList& sl2, bool basename = true, bool ignore_extension = true, bool strict = false);
 
    static void download(const std::string& url, const std::string& download_folder);
 
private:
 
    static Param getSystemParameterDefaults_();
 
    static bool isOpenMSDataPath_(const String& path);
 
#ifdef OPENMS_WINDOWSPLATFORM
    static StringList executableExtensions_(const String& ext = std::getenv("PATHEXT"));
#endif
 
    class TemporaryFiles_
    {
      public:
        TemporaryFiles_(const TemporaryFiles_&) = delete; // copy is forbidden
        TemporaryFiles_& operator=(const TemporaryFiles_&) = delete;
        TemporaryFiles_();
        String newFile();
 
        ~TemporaryFiles_();
      private:
        StringList filenames_;
        std::mutex mtx_;
    };
 
 
    static TemporaryFiles_ temporary_files_;
  };
}