# gdcmSystem.h

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    00001 /*=========================================================================
    00002
    00003   Program: GDCM (Grassroots DICOM). A DICOM library
    00004   Module:  $URL$
    00005
    00006   Copyright (c) 2006-2009 Mathieu Malaterre
    00007   All rights reserved.
    00008   See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.
    00009
    00010      This software is distributed WITHOUT ANY WARRANTY; without even
    00011      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
    00012      PURPOSE.  See the above copyright notice for more information.
    00013
    00014 =========================================================================*/
    00015 #ifndef __gdcmSystem_h
    00016 #define __gdcmSystem_h
    00017
    00018 #include "gdcmTypes.h"
    00019
    00020 namespace gdcm
    00021 {
    00022
    00027 class GDCM_EXPORT System
    00028 {
    00029 public:
    00031   static bool MakeDirectory(const char *path);
    00033   static bool FileExists(const char* filename);
    00035   static bool FileIsDirectory(const char* name);
    00037   static bool RemoveFile(const char* source);
    00038   //static bool DeleteDirectory(FilenameType const &name) { (void)name; return false; }; // TODO
    00039
    00041   static const char *GetLastSystemError();
    00042
    00047   static size_t FileSize(const char* filename);
    00048
    00051   static time_t FileTime(const char* filename);
    00052
    00055   static const char *GetCurrentProcessFileName();
    00056
    00059   static const char *GetCurrentModuleFileName();
    00060
    00063   static const char *GetCurrentResourcesDirectory();
    00064
    00065   // TODO some system calls
    00066   // Chdir
    00067   // copy a file
    00068
    00070   static bool GetHardwareAddress(unsigned char addr[6]);
    00071
    00074   static bool GetHostName(char hostname[255]);
    00075
    00076   // somewhat UID specific:
    00077   // In the following the size '22' is explicitely listed. You need to pass in at least 22bytes of
    00078   // array. If the string is an output it will be automatically padded ( array[21] == 0 ) for you.
    00079   // Those functions: GetCurrentDateTime / FormatDateTime / ParseDateTime do not return the
    00080   // &YYZZ part of the DT structure as defined in DICOM PS 3.5 - 2008
    00081   // In this case it is simple to split the date[22] into a DA and TM structure !
    00082
    00084   // That's simply a call to gettimeofday + FormatDateTime, but since WIN32 do not have an
    00085   // implementation for gettimeofday this is more portable. (and time(0) is not precise)
    00086   static bool GetCurrentDateTime(char date[22]);
    00087
    00091   static bool FormatDateTime(char date[22], time_t t, long milliseconds = 0);
    00092
    00094   static bool ParseDateTime(time_t &timep, const char date[22]);
    00095
    00098   static bool ParseDateTime(time_t &timep, long &milliseconds, const char date[22]);
    00099
    00101   static size_t EncodeBytes(char *out, const unsigned char *data, int size);
    00102
    00104   static int StrCaseCmp(const char *s1, const char *s2);
    00106   static int StrNCaseCmp(const char *s1, const char *s2, size_t n);
    00107
    00112   static const char * GetCWD();
    00113
    00115 /*
    00116   static void SetArgv0(const char *);
    00117   static const char* GetArgv0();
    00118 */
    00119
    00120 protected:
    00121   static bool GetPermissions(const char* file, unsigned short& mode);
    00122   static bool SetPermissions(const char* file, unsigned short mode);
    00123
    00124 private:
    00125 };
    00126
    00127 } // end namespace gdcm
    00128
    00129 #endif //__gdcmSystem_h