src/Utils/TempFile.cpp

   1 // TortoiseSVN - a Windows shell extension for easy version control\r
   2 \r
   3 // Copyright (C) 2003-2008 - TortoiseSVN\r
   4 \r
   5 // This program is free software; you can redistribute it and/or\r
   6 // modify it under the terms of the GNU General Public License\r
   7 // as published by the Free Software Foundation; either version 2\r
   8 // of the License, or (at your option) any later version.\r
   9 \r
  10 // This program is distributed in the hope that it will be useful,\r
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  13 // GNU General Public License for more details.\r
  14 \r
  15 // You should have received a copy of the GNU General Public License\r
  16 // along with this program; if not, write to the Free Software Foundation,\r
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.\r
  18 //\r
  19 #include "StdAfx.h"\r
  20 #include "Registry.h"\r
  21 #include "TempFile.h"\r
  22 #include "TGitPath.h"\r
  23 \r
  24 CTempFiles::CTempFiles(void)\r
  25 {\r
  26 }\r
  27 \r
  28 CTempFiles::~CTempFiles(void)\r
  29 {\r
  30         m_TempFileList.DeleteAllFiles(false);\r
  31 }\r
  32 \r
  33 CTempFiles& CTempFiles::Instance()\r
  34 {\r
  35         static CTempFiles instance;\r
  36         return instance;\r
  37 }\r
  38 \r
  39 CTGitPath CTempFiles::GetTempFilePath(bool bRemoveAtEnd, const CTGitPath& path /* = CTGitPath() */, const GitRev revision /* = GitRev() */)\r
  40 {\r
  41         DWORD len = ::GetTempPath(0, NULL);\r
  42         TCHAR * temppath = new TCHAR[len+1];\r
  43         TCHAR * tempF = new TCHAR[len+50];\r
  44         ::GetTempPath (len+1, temppath);\r
  45         CTGitPath tempfile;\r
  46         CString possibletempfile;\r
  47         if (path.IsEmpty())\r
  48         {\r
  49                 ::GetTempFileName (temppath, TEXT("git"), 0, tempF);\r
  50                 tempfile = CTGitPath(tempF);\r
  51         }\r
  52         else\r
  53         {\r
  54                 int i=0;\r
  55                 do\r
  56                 {\r
  57                         if (!revision.m_CommitHash.IsEmpty())\r
  58                         {\r
  59                                 possibletempfile.Format(_T("%s%s-rev%s.git%3.3x.tmp%s"), temppath, (LPCTSTR)path.GetFileOrDirectoryName(), (LPCTSTR)revision.m_CommitHash.Left(7), i, (LPCTSTR)path.GetFileExtension());\r
  60                         }\r
  61                         else\r
  62                         {\r
  63                                 possibletempfile.Format(_T("%s%s.git%3.3x.tmp%s"), temppath, (LPCTSTR)path.GetFileOrDirectoryName(), i, (LPCTSTR)path.GetFileExtension());\r
  64                         }\r
  65                         tempfile.SetFromWin(possibletempfile);\r
  66                         i++;\r
  67                 } while (PathFileExists(tempfile.GetWinPath()));\r
  68         }\r
  69         //now create the temp file, so that subsequent calls to GetTempFile() return\r
  70         //different filenames.\r
  71         HANDLE hFile = CreateFile(tempfile.GetWinPath(), GENERIC_READ, FILE_SHARE_READ, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_TEMPORARY, NULL);\r
  72         CloseHandle(hFile);\r
  73         delete [] temppath;\r
  74         delete [] tempF;\r
  75         if (bRemoveAtEnd)\r
  76                 m_TempFileList.AddPath(tempfile);\r
  77         return tempfile;\r
  78 }\r