src/TortoiseProc/LogFile.cpp

   1 // TortoiseGit - a Windows shell extension for easy version control
   2
   3 // Copyright (C) 2008, 2013 - TortoiseGit
   4 // Copyright (C) 2007 - TortoiseSVN
   5
   6 // This program is free software; you can redistribute it and/or
   7 // modify it under the terms of the GNU General Public License
   8 // as published by the Free Software Foundation; either version 2
   9 // of the License, or (at your option) any later version.
  10
  11 // This program is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License
  17 // along with this program; if not, write to the Free Software Foundation,
  18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 //
  20 #include "stdafx.h"
  21 #include "LogFile.h"
  22 #include "PathUtils.h"
  23
  24 CLogFile::CLogFile(const CString& repo)
  25 {
  26         m_maxlines = CRegStdDWORD(_T("Software\\TortoiseGit\\MaxLinesInLogfile"), 4000);
  27         m_sRepo = repo;
  28 }
  29
  30 CLogFile::~CLogFile(void)
  31 {
  32 }
  33
  34 bool CLogFile::Open()
  35 {
  36         if (m_maxlines == 0)
  37                 return false;
  38         CTGitPath logfile = CTGitPath(CPathUtils::GetAppDataDirectory() + _T("\\logfile.txt"));
  39         return Open(logfile);
  40 }
  41
  42 bool CLogFile::Open(const CTGitPath& logfile)
  43 {
  44         m_lines.clear();
  45         m_logfile = logfile;
  46         if (!logfile.Exists())
  47         {
  48                 CPathUtils::MakeSureDirectoryPathExists(logfile.GetContainingDirectory().GetWinPath());
  49                 return true;
  50         }
  51
  52         try
  53         {
  54                 CString strLine;
  55                 CStdioFile file;
  56                 int retrycounter = 10;
  57                 // try to open the file for about two seconds - some other TSVN process might be
  58                 // writing to the file and we just wait a little for this to finish
  59                 while (!file.Open(logfile.GetWinPath(), CFile::typeText | CFile::modeRead | CFile::shareDenyWrite) && retrycounter)
  60                 {
  61                         retrycounter--;
  62                         Sleep(200);
  63                 }
  64                 if (retrycounter == 0)
  65                         return false;
  66
  67                 while (file.ReadString(strLine))
  68                 {
  69                         m_lines.push_back(strLine);
  70                 }
  71                 file.Close();
  72         }
  73         catch (CFileException* pE)
  74         {
  75                 TRACE("CFileException loading autolist regex file\n");
  76                 pE->Delete();
  77                 return false;
  78         }
  79         return true;
  80 }
  81
  82 bool CLogFile::AddLine(const CString& line)
  83 {
  84         m_lines.push_back(line);
  85         return true;
  86 }
  87
  88 bool CLogFile::Close()
  89 {
  90         if (m_maxlines == 0)
  91                 return false;
  92
  93         AdjustSize();
  94         try
  95         {
  96                 CString strLine;
  97                 CStdioFile file;
  98
  99                 int retrycounter = 10;
 100                 // try to open the file for about two seconds - some other TSVN process might be
 101                 // writing to the file and we just wait a little for this to finish
 102                 while (!file.Open(m_logfile.GetWinPath(), CFile::typeText | CFile::modeWrite | CFile::modeCreate) && retrycounter)
 103                 {
 104                         retrycounter--;
 105                         Sleep(200);
 106                 }
 107                 if (retrycounter == 0)
 108                         return false;
 109
 110                 for (std::list<CString>::const_iterator it = m_lines.begin(); it != m_lines.end(); ++it)
 111                 {
 112                         file.WriteString(*it);
 113                         file.WriteString(_T("\n"));
 114                 }
 115                 file.Close();
 116         }
 117         catch (CFileException* pE)
 118         {
 119                 TRACE("CFileException loading autolist regex file\n");
 120                 pE->Delete();
 121                 return false;
 122         }
 123         return true;
 124 }
 125
 126 bool CLogFile::AddTimeLine()
 127 {
 128         CString sLine;
 129         // first add an empty line as a separator
 130         m_lines.push_back(sLine);
 131         // now add the time string
 132         TCHAR datebuf[4096] = {0};
 133         GetDateFormat(LOCALE_USER_DEFAULT, DATE_SHORTDATE, NULL, NULL, datebuf, 4096);
 134         sLine = datebuf;
 135         GetTimeFormat(LOCALE_USER_DEFAULT, 0, NULL, NULL, datebuf, 4096);
 136         sLine += _T(" - ");
 137         sLine += datebuf;
 138         sLine += _T(" - ");
 139         sLine += m_sRepo;
 140         m_lines.push_back(sLine);
 141         return true;
 142 }
 143
 144 void CLogFile::AdjustSize()
 145 {
 146         DWORD maxlines = m_maxlines;
 147
 148         while (m_lines.size() > maxlines)
 149         {
 150                 m_lines.pop_front();
 151         }
 152 }