Import Geant4 5.0.0 source tree

2016-06-08 16:57:27 +02:00
parent 330b82b769
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+//
+// ********************************************************************
+// * DISCLAIMER                                                       *
+// *                                                                  *
+// * The following disclaimer summarizes all the specific disclaimers *
+// * of contributors to this software. The specific disclaimers,which *
+// * govern, are listed with their locations in:                      *
+// *   http://cern.ch/geant4/license                                  *
+// *                                                                  *
+// * 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.                                                             *
+// *                                                                  *
+// * This  code  implementation is the  intellectual property  of the *
+// * GEANT4 collaboration.                                            *
+// * By copying,  distributing  or modifying the Program (or any work *
+// * based  on  the Program)  you indicate  your  acceptance of  this *
+// * statement, and all its terms.                                    *
+// ********************************************************************
+// 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 "g4std/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 G4std::string file);
+      // checks if the "file" exists.  returns true if it does.
+
+      G4std::string StrErrNo() const { return ::strerror(errno); };
+      // returns the error message of the last system call as string.
+
+      int Shell(G4std::string s) { return ::system(s.c_str()); };
+      // execute the shell command.  returns zero if success.
+
+      int CopyFile(const G4std::string srcFile, const G4std::string dstFile);
+      // copies the "srcFile" to "dstFile".  returns zero if success.
+
+      int DeleteFile(const G4std::string file, const G4std::string option);
+      // deletes the "file" with the "option".  returns zero if success.
+
+      G4std::string GetEnv(const G4std::string env) { return ::getenv(env.c_str()); };
+      // retuns the value of environment variable as string.
+
+}; // End of class G4FileUtilities
+
+#endif
+