Import Geant4 9.1.0 source tree

2016-06-09 15:37:50 +02:00
parent a8e9364cea
commit 96c8bcd0af
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+//
+// ********************************************************************
+// * License and Disclaimer                                           *
+// *                                                                  *
+// * The  Geant4 software  is  copyright of the Copyright Holders  of *
+// * the Geant4 Collaboration.  It is provided  under  the terms  and *
+// * conditions of the Geant4 Software License,  included in the file *
+// * LICENSE and available at  http://cern.ch/geant4/license .  These *
+// * include a list of copyright holders.                             *
+// *                                                                  *
+// * Neither the authors of this software system, nor their employing *
+// * institutes,nor the agencies providing financial support for this *
+// * work  make  any representation or  warranty, express or implied, *
+// * regarding  this  software system or assume any liability for its *
+// * use.  Please see the license in the file  LICENSE  and URL above *
+// * for the full disclaimer and the limitation of liability.         *
+// *                                                                  *
+// * This  code  implementation is the result of  the  scientific and *
+// * technical work of the GEANT4 collaboration.                      *
+// * By using,  copying,  modifying or  distributing the software (or *
+// * any work based  on the software)  you  agree  to acknowledge its *
+// * use  in  resulting  scientific  publications,  and indicate your *
+// * acceptance of all terms of the Geant4 Software license.          *
+// ********************************************************************
+//
+// File: G4FileUtilities.hh
+//
+// History:
+//   01.08.24  Youhei Morita  Initial creation
+
+#ifndef FILE_UTILITIES_HH
+#define FILE_UTILITIES_HH 1
+
+#include "G4Types.hh"
+
+#include <sys/types.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <string>
+#include <iostream>
+
+
+// Class Description:
+//   File utilities to access files with POSIX interface.
+
+class G4FileUtilities
+{
+    public: // With description
+      G4FileUtilities();
+      // Constructor
+
+      ~G4FileUtilities();
+      // Destructor
+
+    public: // With description
+      G4bool FileExists(const std::string file);
+      // checks if the "file" exists.  returns true if it does.
+
+      std::string StrErrNo() const { return ::strerror(errno); };
+      // returns the error message of the last system call as string.
+
+      int Shell(std::string s) { return ::system(s.c_str()); };
+      // execute the shell command.  returns zero if success.
+
+      int CopyFile(const std::string srcFile, const std::string dstFile);
+      // copies the "srcFile" to "dstFile".  returns zero if success.
+
+      int DeleteFile(const std::string file, const std::string option);
+      // deletes the "file" with the "option".  returns zero if success.
+
+      std::string GetEnv(const std::string env) { return ::getenv(env.c_str()); };
+      // retuns the value of environment variable as string.
+
+}; // End of class G4FileUtilities
+
+#endif
+