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(CString &GitDir,GitRev &Rev,UINT offset)\r
  55 {\r
  56         \r
  57         SLogCacheRevItemHeader header;\r
  58         m_DataFile.Seek(offset,CFile::begin);\r
  59 \r
  60         if(this->m_DataFile.m_hFile == CFile::hFileNull)\r
  61         {\r
  62                 BOOL b=m_DataFile.Open(GitDir+_T("\\.git\\")+INDEX_FILE_NAME,\r
  63                         CFile::modeRead|CFile::shareDenyNone|\r
  64                         CFile::modeNoTruncate|CFile::modeCreate);\r
  65                 if(!b)\r
  66                         return -1;\r
  67         }\r
  68 \r
  69         header.m_Magic=LOG_DATA_ITEM_MAGIC;\r
  70         header.m_Version=LOG_INDEX_VERSION;\r
  71         header.m_FileCount=Rev.m_Files.GetCount();\r
  72 \r
  73         m_DataFile.Write(&header,sizeof(SLogCacheRevItemHeader));\r
  74         \r
  75         CArchive ar(&m_DataFile, CArchive::store);\r
  76 \r
  77         ar<<Rev.m_AuthorName;\r
  78         ar<<Rev.m_AuthorEmail;\r
  79         ar<<Rev.m_AuthorDate;\r
  80         ar<<Rev.m_CommitterName;\r
  81         ar<<Rev.m_CommitterEmail;\r
  82         ar<<Rev.m_CommitterDate;\r
  83         ar<<Rev.m_Subject;\r
  84         ar<<Rev.m_Body;\r
  85         ar<<Rev.m_CommitHash;\r
  86         ar<<Rev.m_Action;\r
  87 \r
  88         for(int i=0;i<Rev.m_Files.GetCount();i++)\r
  89         {\r
  90                 SLogCacheRevFileHeader header;\r
  91                 header.m_Magic=LOG_DATA_FILE_MAGIC;\r
  92                 header.m_Version=LOG_INDEX_VERSION;\r
  93 \r
  94                 ar<<header.m_Magic;\r
  95                 ar<<header.m_Version;\r
  96 \r
  97                 ar<<Rev.m_Files[i].m_Action;\r
  98                 ar<<Rev.m_Files[i].m_Stage;\r
  99                 ar<<Rev.m_Files[i].m_StatAdd;\r
 100                 ar<<Rev.m_Files[i].m_StatDel;\r
 101                 ar<<Rev.m_Files[i].GetGitPathString();\r
 102         }\r
 103         return 0;\r
 104 }\r
 105 \r
 106 int CLogCache::LoadOneItem(CString &GitDir,GitRev &Rev,UINT offset)\r
 107 {\r
 108         SLogCacheRevItemHeader header;\r
 109         m_DataFile.Seek(offset,CFile::begin);\r
 110 \r
 111         if(this->m_DataFile.m_hFile == CFile::hFileNull)\r
 112         {\r
 113                 BOOL b=m_DataFile.Open(GitDir+_T("\\.git\\")+INDEX_FILE_NAME,\r
 114                         CFile::modeRead|CFile::shareDenyNone|\r
 115                         CFile::modeNoTruncate|CFile::modeCreate);\r
 116                 if(!b)\r
 117                         return -1;\r
 118         }\r
 119 \r
 120         UINT count=m_DataFile.Read(&header,sizeof(SLogCacheRevItemHeader));\r
 121         if( count != sizeof(SLogCacheRevItemHeader))\r
 122                 return -1;\r
 123         if( !CheckHeader(header))\r
 124                 return -2;\r
 125 \r
 126 \r
 127         CArchive ar(&m_DataFile, CArchive::load);\r
 128 \r
 129         ar>>Rev.m_AuthorName;\r
 130         ar>>Rev.m_AuthorEmail;\r
 131         ar>>Rev.m_AuthorDate;\r
 132         ar>>Rev.m_CommitterName;\r
 133         ar>>Rev.m_CommitterEmail;\r
 134         ar>>Rev.m_CommitterDate;\r
 135         ar>>Rev.m_Subject;\r
 136         ar>>Rev.m_Body;\r
 137         ar>>Rev.m_CommitHash;\r
 138         ar>>Rev.m_Action;\r
 139 \r
 140         Rev.m_Files.Clear();\r
 141 \r
 142         for(int i=0;i<header.m_FileCount;i++)\r
 143         {\r
 144                 CTGitPath path;\r
 145                 CString file;\r
 146                 path.Reset();\r
 147                 SLogCacheRevFileHeader header;\r
 148 \r
 149                 ar>>header.m_Magic;\r
 150                 ar>>header.m_Version;\r
 151 \r
 152                 if( this->CheckHeader(header) )\r
 153                         return -1;\r
 154 \r
 155                 ar>>path.m_Action;\r
 156                 ar>>path.m_Stage;\r
 157                 ar>>path.m_StatAdd;\r
 158                 ar>>path.m_StatDel;\r
 159                 ar>>file;\r
 160                 path.SetFromGit(file);\r
 161                 Rev.m_Files.AddPath(path);\r
 162         }\r
 163         return 0;\r
 164 }