src/TortoiseProc/GitLogCache.cpp

   1 #include "stdafx.h"\r
   2 #include "GitLogCache.h"\r
   3 \r
   4 CLogCache::CLogCache()\r
   5 {\r
   6 \r
   7 }\r
   8 \r
   9 CLogCache::~CLogCache()\r
  10 {\r
  11         this->m_IndexFile.Close();\r
  12         this->m_DataFile.Close();\r
  13 }\r
  14 \r
  15 int CLogCache::FetchCache(CString GitDir)\r
  16 {\r
  17         if(this->m_IndexFile.m_hFile == CFile::hFileNull)\r
  18         {\r
  19                 BOOL b=m_IndexFile.Open(GitDir+_T("\\.git\\")+INDEX_FILE_NAME,\r
  20                                                 CFile::modeRead|CFile::shareDenyNone|\r
  21                                                 CFile::modeNoTruncate|CFile::modeCreate);\r
  22                 if(!b)\r
  23                         return -1;\r
  24         }\r
  25 \r
  26         SLogCacheIndexHeader header;\r
  27         UINT count=m_IndexFile.Read(&header,sizeof(SLogCacheIndexHeader));\r
  28         if(count != sizeof(SLogCacheIndexHeader))\r
  29                 return -2;\r
  30 \r
  31         if( header.m_Magic != LOG_INDEX_MAGIC )\r
  32                 return -3;\r
  33 \r
  34         if( header.m_Version != LOG_INDEX_VERSION )\r
  35                 return -4;\r
  36 \r
  37 \r
  38         SLogCacheItem Item;\r
  39 \r
  40         for(int i=0;i<header.m_ItemCount;i++)\r
  41         {\r
  42                 count=m_IndexFile.Read(&Item,sizeof(SLogCacheItem));    \r
  43                 if(count != sizeof(SLogCacheItem)\r
  44                         break;\r
  45 \r
  46                 CString str;\r
  47                 g_Git.StringAppend(&str,Item.m_Hash,CP_UTF8,40);\r
  48                 this->m_HashMapIndex[str]=Item.m_Offset;\r
  49         }\r
  50 \r
  51         return 0;\r
  52 }\r
  53 \r
  54 int CLogCache::SaveOneItem(GitRev &Rev)\r
  55 {\r
  56         \r
  57 }\r
  58 \r
  59 int CLogCache::LoadOneItem(GitRev &Rev,UINT offset)\r
  60 {\r
  61         SLogCacheRevItemHeader header;\r
  62         m_DataFile.Seek(offset,CFile::begin);\r
  63 \r
  64         if(this->m_DataFile.m_hFile == CFile::hFileNull)\r
  65         {\r
  66                 BOOL b=m_DataFile.Open(GitDir+_T("\\.git\\")+INDEX_FILE_NAME,\r
  67                                                 CFile::modeRead|CFile::shareDenyNone|\r
  68                                                 CFile::modeNoTruncate|CFile::modeCreate);\r
  69                 if(!b)\r
  70                         return -1;\r
  71         }\r
  72 \r
  73         UINT count=m_DataFile.Read(&header,sizeof(SLogCacheRevItemHeader));\r
  74         if( count != sizeof(SLogCacheRevItemHeader))\r
  75                 return -1;\r
  76         if( !CheckHeader(header))\r
  77                 return -2;\r
  78         \r
  79         CGitByteArray stream;\r
  80 \r
  81         stream.resize(header.m_RevSize-sizeof(SLogCacheRevItemHeader));\r
  82 \r
  83         count=m_DataFile.Read(&stream[0],stream.size());\r
  84         if( count != stream.size)\r
  85                 return;\r
  86 \r
  87         \r
  88 \r
  89 \r
  90         \r
  91 }