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1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. *
24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // G4FileUtilities 26 // G4FileUtilities
27 // 27 //
28 // Class Description: 28 // Class Description:
29 // 29 //
30 // File utilities to access files with POSIX i 30 // File utilities to access files with POSIX interface
31 31
32 // Author: Youhei Morita, 24.08.2001 32 // Author: Youhei Morita, 24.08.2001
33 // ------------------------------------------- 33 // --------------------------------------------------------------------
34 #ifndef G4FILE_UTILITIES_HH 34 #ifndef G4FILE_UTILITIES_HH
35 #define G4FILE_UTILITIES_HH 1 35 #define G4FILE_UTILITIES_HH 1
36 36
37 #include "G4Types.hh" 37 #include "G4Types.hh"
38 #include "G4String.hh" 38 #include "G4String.hh"
39 39
>> 40 #include <sys/types.h>
>> 41 #include <fcntl.h>
>> 42 #include <unistd.h>
>> 43 #include <errno.h>
>> 44 #include <stdlib.h>
>> 45 #include <string.h>
>> 46 #include <string>
>> 47 #include <iostream>
>> 48
40 class G4FileUtilities 49 class G4FileUtilities
41 { 50 {
42 public: 51 public:
43 52
44 G4FileUtilities(); 53 G4FileUtilities();
45 // Constructor 54 // Constructor
46 55
47 ~G4FileUtilities(); 56 ~G4FileUtilities();
48 // Destructor 57 // Destructor
49 58
50 G4bool FileExists(const G4String& file); 59 G4bool FileExists(const G4String& file);
51 // checks if the "file" exists. returns 60 // checks if the "file" exists. returns true if it does
52 61
53 G4String StrErrNo() const; << 62 std::string StrErrNo() const { return ::strerror(errno); }
54 // returns the error message of the last 63 // returns the error message of the last system call as string
55 64
56 G4int Shell(const G4String& str); << 65 G4int Shell(const G4String& str) { return ::system(str.c_str()); }
57 // executes the shell command. returns 66 // executes the shell command. returns zero if success
58 67
59 G4int CopyFile(const G4String& srcFile, co 68 G4int CopyFile(const G4String& srcFile, const G4String& dstFile);
60 // copies the "srcFile" to "dstFile". r 69 // copies the "srcFile" to "dstFile". returns zero if success
61 70
62 G4int DeleteFile(const G4String& file, con 71 G4int DeleteFile(const G4String& file, const G4String& option);
63 // deletes the "file" with the "option". 72 // deletes the "file" with the "option". returns zero if success
64 73
65 G4String GetEnv(const G4String& env); << 74 std::string GetEnv(const G4String& env) { return ::getenv(env.c_str()); }
66 // retuns the value of environment varia 75 // retuns the value of environment variable as string
>> 76
67 }; 77 };
68 78
69 #endif 79 #endif
70 80