ext/gitdll/gitdll.c

   1 // gitdll.cpp : Defines the exported functions for the DLL application.\r
   2 //\r
   3 \r
   4 #include "stdafx.h"\r
   5 #include "gitdll.h"\r
   6 #include "cache.h"\r
   7 #include "commit.h"\r
   8 #if 0\r
   9 \r
  10 // This is an example of an exported variable\r
  11 GITDLL_API int ngitdll=0;\r
  12 \r
  13 // This is an example of an exported function.\r
  14 GITDLL_API int fngitdll(void)\r
  15 {\r
  16         return 42;\r
  17 }\r
  18 \r
  19 // This is the constructor of a class that has been exported.\r
  20 // see gitdll.h for the class definition\r
  21 Cgitdll::Cgitdll()\r
  22 {\r
  23         return;\r
  24 }\r
  25 #endif\r
  26 \r
  27 #define MAX_ERROR_STR_SIZE 512\r
  28 char g_last_error[MAX_ERROR_STR_SIZE]={0};\r
  29 \r
  30 char * get_git_last_error()\r
  31 {\r
  32         return g_last_error;\r
  33 }\r
  34 \r
  35 static void die_dll(const char *err, va_list params)\r
  36 {\r
  37         memset(g_last_error,0,MAX_ERROR_STR_SIZE);\r
  38         vsnprintf(g_last_error, MAX_ERROR_STR_SIZE-1, err, params);     \r
  39 }\r
  40 \r
  41 void dll_entry()\r
  42 {\r
  43         set_die_routine(die_dll);\r
  44 }\r
  45 \r
  46 int git_get_sha1(const char *name, GIT_HASH sha1)\r
  47 {\r
  48         return get_sha1(name,sha1);\r
  49 }\r
  50 \r
  51 static int convert_slash(char * path)\r
  52 {\r
  53         while(*path)\r
  54         {\r
  55                 if(*path == '\\' )\r
  56                         *path = '/';\r
  57                 path++;\r
  58         }\r
  59 }\r
  60 \r
  61 int git_init()\r
  62 {\r
  63         char *home;\r
  64         char path[MAX_PATH+1];\r
  65         char *prefix;\r
  66         size_t homesize,size,httpsize;\r
  67 \r
  68         // set HOME if not set already\r
  69         getenv_s(&homesize, NULL, 0, "HOME");\r
  70         if (!homesize)\r
  71         {\r
  72                 _dupenv_s(&home,&size,"USERPROFILE"); \r
  73                 _putenv_s("HOME",home);\r
  74                 free(home);\r
  75         }\r
  76         GetModuleFileName(NULL, path, MAX_PATH);\r
  77         convert_slash(path);\r
  78 \r
  79         git_extract_argv0_path(path);\r
  80         prefix = setup_git_directory();\r
  81         return git_config(git_default_config, NULL);\r
  82 }\r
  83 \r
  84 static int git_parse_commit_author(struct GIT_COMMIT_AUTHOR *author, char *pbuff)\r
  85 {\r
  86         char *end;\r
  87 \r
  88         author->Name=pbuff;\r
  89         end=strchr(pbuff,'<');\r
  90         if( end == 0)\r
  91         {\r
  92                 return -1;\r
  93         }\r
  94         author->NameSize = end - pbuff - 1;\r
  95 \r
  96         pbuff = end +1;\r
  97         end = strchr(pbuff, '>');\r
  98         if( end == 0)\r
  99                 return -1;\r
 100 \r
 101         author->Email = pbuff ;\r
 102         author->EmailSize = end - pbuff;\r
 103 \r
 104         pbuff = end + 2;\r
 105 \r
 106         author->Date = atol(pbuff);\r
 107         end =  strchr(pbuff, ' ');\r
 108         if( end == 0 )\r
 109                 return -1;\r
 110 \r
 111         pbuff=end;\r
 112         author->TimeZone = atol(pbuff);\r
 113 \r
 114         return 0;\r
 115 }\r
 116 \r
 117 static int git_parse_commit(GIT_COMMIT *commit)\r
 118 {\r
 119         int ret = 0;\r
 120         char *pbuf;\r
 121         char *end;\r
 122         struct commit *p;\r
 123 \r
 124         p= (struct commit *)commit->m_pGitCommit;\r
 125 \r
 126         memcpy(commit->m_hash,p->object.sha1,GIT_HASH_SIZE);\r
 127 \r
 128         if(p->buffer == NULL)\r
 129                 return -1;\r
 130 \r
 131         pbuf = p->buffer;\r
 132         while(pbuf)\r
 133         {\r
 134                 if( strncmp(pbuf,"author",6) == 0)\r
 135                 {\r
 136                         ret = git_parse_commit_author(&commit->m_Author,pbuf + 7);\r
 137                         if(ret)\r
 138                                 return ret;\r
 139                 }\r
 140                 if( strncmp(pbuf, "committer",9) == 0)\r
 141                 {\r
 142                         ret =  git_parse_commit_author(&commit->m_Committer,pbuf + 10);\r
 143                         if(ret)\r
 144                                 return ret;\r
 145 \r
 146                         pbuf = strchr(pbuf,'\n');\r
 147                         if(pbuf == NULL)\r
 148                                 return -1;\r
 149 \r
 150                         while((*pbuf) && (*pbuf == '\n'))\r
 151                                 pbuf ++;\r
 152 \r
 153                         commit->m_Subject=pbuf;\r
 154                         end = strchr(pbuf,'\n');\r
 155                         if( end == 0)\r
 156                                 commit->m_SubjectSize = strlen(pbuf);\r
 157                         else\r
 158                         {\r
 159                                 commit->m_SubjectSize = end - pbuf;\r
 160                                 pbuf = end +1;\r
 161                                 commit->m_Body = pbuf;\r
 162                                 commit->m_BodySize = strlen(pbuf);\r
 163                                 return 0;\r
 164                         }\r
 165 \r
 166                 }\r
 167 \r
 168                 pbuf = strchr(pbuf,'\n');\r
 169                 if(pbuf)\r
 170                         pbuf ++;\r
 171         }\r
 172 \r
 173 }\r
 174 \r
 175 int git_get_commit_from_hash(GIT_COMMIT *commit, GIT_HASH hash)\r
 176 {\r
 177         int ret = 0;\r
 178         \r
 179         struct commit *p = (struct commit*)commit;\r
 180         commit->m_pGitCommit = p = lookup_commit(hash);\r
 181 \r
 182         if(commit == NULL)\r
 183                 return -1;\r
 184         \r
 185         if(p == NULL)\r
 186                 return -1;\r
 187         \r
 188         ret = parse_commit(p);\r
 189         if( ret )\r
 190                 return ret;\r
 191 \r
 192         return git_parse_commit(commit);\r
 193 }\r
 194 \r