src/TGitCache/CachedDirectory.h

   1 // TortoiseSVN - a Windows shell extension for easy version control
   2
   3 // External Cache Copyright (C) 2005 - 2006, 2008 - TortoiseSVN
   4
   5 // This program is free software; you can redistribute it and/or
   6 // modify it under the terms of the GNU General Public License
   7 // as published by the Free Software Foundation; either version 2
   8 // of the License, or (at your option) any later version.
   9
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14
  15 // You should have received a copy of the GNU General Public License
  16 // along with this program; if not, write to the Free Software Foundation,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 #pragma once
  20
  21 #include "StatusCacheEntry.h"
  22 #include "TGitPath.h"
  23
  24 /**
  25  * \ingroup TSVNCache
  26  * Holds the status for a folder and all files and folders directly inside
  27  * that folder.
  28  */
  29 class CCachedDirectory
  30 {
  31 public:
  32         typedef std::map<CTGitPath, CCachedDirectory *> CachedDirMap;
  33         typedef CachedDirMap::iterator ItDir;
  34
  35 public:
  36
  37         CCachedDirectory();
  38         CCachedDirectory(const CTGitPath& directoryPath);
  39         ~CCachedDirectory(void);
  40         CStatusCacheEntry GetStatusForMember(const CTGitPath& path, bool bRecursive, bool bFetch = true);
  41         CStatusCacheEntry GetOwnStatus(bool bRecursive);
  42         bool IsOwnStatusValid() const;
  43         void Invalidate();
  44         void RefreshStatus(bool bRecursive);
  45         void RefreshMostImportant();
  46         BOOL SaveToDisk(FILE * pFile);
  47         BOOL LoadFromDisk(FILE * pFile);
  48         /// Get the current full status of this folder
  49         git_wc_status_kind GetCurrentFullStatus() {return m_currentFullStatus;}
  50 private:
  51 //      static git_error_t* GetStatusCallback(void *baton, const char *path, git_wc_status2_t *status);
  52         static BOOL GetStatusCallback(const struct wgFile_s *pFile, void *pUserData);
  53         void AddEntry(const CTGitPath& path, const git_wc_status2_t* pGitStatus, DWORD validuntil = 0);
  54         CString GetCacheKey(const CTGitPath& path);
  55         CString GetFullPathString(const CString& cacheKey);
  56         CStatusCacheEntry LookForItemInCache(const CTGitPath& path, bool &bFound);
  57         void UpdateChildDirectoryStatus(const CTGitPath& childDir, git_wc_status_kind childStatus);
  58
  59         // Calculate the complete, composite status from ourselves, our files, and our descendants
  60         git_wc_status_kind CalculateRecursiveStatus();
  61
  62         // Update our composite status and deal with things if it's changed
  63         void UpdateCurrentStatus();
  64
  65
  66 private:
  67         CComAutoCriticalSection m_critSec;
  68         CComAutoCriticalSection m_critSecPath;
  69
  70         CTGitPath       m_currentStatusFetchingPath;
  71         DWORD           m_currentStatusFetchingPathTicks;
  72         // The cache of files and directories within this directory
  73         typedef std::map<CString, CStatusCacheEntry> CacheEntryMap;
  74         CacheEntryMap m_entryCache;
  75
  76         /// A vector if iterators to child directories - used to put-together recursive status
  77         typedef std::map<CTGitPath, git_wc_status_kind>  ChildDirStatus;
  78         ChildDirStatus m_childDirectories;
  79
  80         // The timestamp of the .git\index file.  For an unversioned directory, this will be zero
  81         __int64 m_indexFileTime;
  82         // The timestamp of the .SVN\props dir.  For an unversioned directory, this will be zero
  83 //      __int64 m_propsFileTime;
  84
  85         // The path of the directory with this object looks after
  86         CTGitPath       m_directoryPath;
  87
  88         // The status of THIS directory (not a composite of children or members)
  89         CStatusCacheEntry m_ownStatus;
  90
  91         // Our current fully recursive status
  92         git_wc_status_kind  m_currentFullStatus;
  93         bool m_bCurrentFullStatusValid;
  94
  95         // The most important status from all our file entries
  96         git_wc_status_kind m_mostImportantFileStatus;
  97
  98         bool m_bRecursive;              // used in the status callback
  99         friend class CGitStatusCache;
 100 };
 101