gdcmSystem.h

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/*=========================================================================
 
  Program: GDCM (Grassroots DICOM). A DICOM library
 
  Copyright (c) 2006-2011 Mathieu Malaterre
  All rights reserved.
  See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.
 
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.
 
=========================================================================*/
#ifndef GDCMSYSTEM_H
#define GDCMSYSTEM_H
 
#include "gdcmTypes.h"
 
namespace gdcm
{
 
class GDCM_EXPORT System
{
public:
  static bool MakeDirectory(const char *path);
  static bool FileExists(const char* filename);
  static bool FileIsDirectory(const char* name);
  static bool FileIsSymlink(const char* name);
  static bool RemoveFile(const char* source);
  static bool DeleteDirectory(const char *source);
 
  static std::wstring ConvertToUNC(const char *utf8path);
 
  static const char *GetLastSystemError();
 
  static size_t FileSize(const char* filename);
 
  static time_t FileTime(const char* filename);
 
  static const char *GetCurrentProcessFileName();
 
  static const char *GetCurrentModuleFileName();
 
  static const char *GetCurrentResourcesDirectory();
 
  // TODO some system calls
  // Chdir
  // copy a file
 
  static bool GetHostName(char hostname[255]);
 
  // In the following the size '22' is explicitly listed. You need to pass in
  // at least 22bytes of array. If the string is an output it will be
  // automatically padded ( array[21] == 0 ) for you.
  // Those functions: GetCurrentDateTime / FormatDateTime / ParseDateTime do
  // not return the &YYZZ part of the DT structure as defined in DICOM PS 3.5 -
  // 2008 In this case it is simple to split the date[22] into a DA and TM
  // structure
 
  static bool GetCurrentDateTime(char date[22]);
 
  static bool FormatDateTime(char date[22], time_t t, long milliseconds = 0);
 
  static bool ParseDateTime(time_t &timep, const char date[22]);
 
  static bool ParseDateTime(time_t &timep, long &milliseconds, const char date[22]);
 
  static const char *GetTimezoneOffsetFromUTC();
 
  static size_t EncodeBytes(char *out, const unsigned char *data, int size);
 
  static int StrCaseCmp(const char *s1, const char *s2);
  static int StrNCaseCmp(const char *s1, const char *s2, size_t n);
 
  static const char * GetCWD();
 
  static char *StrTokR(char *ptr, const char *sep, char **end);
 
  static char *StrSep(char **stringp, const char *delim);
 
  static const char *GetLocaleCharset();
 
/*
  static void SetArgv0(const char *);
  static const char* GetArgv0();
*/
 
protected:
  static bool GetPermissions(const char* file, unsigned short& mode);
  static bool SetPermissions(const char* file, unsigned short mode);
 
private:
};
 
} // end namespace gdcm
 
#endif //GDCMSYSTEM_H