tool/open_file/open_file.cpp

   1 // NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
   2 // Copyright (C) 2010  Winch Gate Property Limited
   3 //
   4 // This program is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU Affero General Public License as
   6 // published by the Free Software Foundation, either version 3 of the
   7 // License, or (at your option) any later version.
   8 //
   9 // This program is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU Affero General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU Affero General Public License
  15 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 // openhtml.cpp : Defines the entry point for the application.
  18 //
  19
  20 #include <windows.h>
  21 #include <stdlib.h>
  22 #include <stdio.h>
  23
  24 LONG GetRegKey(HKEY key, LPCTSTR subkey, LPTSTR retdata)
  25 {
  26     HKEY hkey;
  27     LONG retval = RegOpenKeyEx(key, subkey, 0, KEY_QUERY_VALUE, &hkey);
  28
  29     if (retval == ERROR_SUCCESS)
  30         {
  31         long datasize = MAX_PATH;
  32         TCHAR data[MAX_PATH];
  33         RegQueryValue(hkey, NULL, data, &datasize);
  34         lstrcpy(retdata,data);
  35         RegCloseKey(hkey);
  36     }
  37
  38     return retval;
  39 }
  40
  41 bool OpenFile (LPCTSTR filename, LPCTSTR ext, int showcmd)
  42 {
  43     TCHAR key[MAX_PATH + MAX_PATH];
  44
  45     // First try ShellExecute()
  46     HINSTANCE result = ShellExecute(NULL, "open", filename, NULL,NULL, showcmd);
  47
  48     // If it failed, get the .htm regkey and lookup the program
  49     if ((UINT)result <= HINSTANCE_ERROR)
  50         {
  51         if (GetRegKey(HKEY_CLASSES_ROOT, ext, key) == ERROR_SUCCESS)
  52                 {
  53             lstrcat(key, "\\shell\\open\\command");
  54
  55             if (GetRegKey(HKEY_CLASSES_ROOT,key,key) == ERROR_SUCCESS)
  56                         {
  57                 TCHAR *pos;
  58                 pos = strstr(key, "\"%1\"");
  59                 if (pos == NULL) {                     // No quotes found
  60                     pos = strstr(key, "%1");       // Check for %1, without quotes
  61                     if (pos == NULL)                   // No parameter at all...
  62                         pos = key+lstrlen(key)-1;
  63                     else
  64                         *pos = '\0';                   // Remove the parameter
  65                 }
  66                 else
  67                     *pos = '\0';                       // Remove the parameter
  68
  69                 lstrcat(pos, " ");
  70                 lstrcat(pos, filename);
  71                 int res = WinExec(key,showcmd);
  72                                 return (res>31);
  73             }
  74         }
  75     }
  76         else
  77                 return true;
  78
  79         return false;
  80 }
  81
  82 int APIENTRY WinMain(HINSTANCE hInstance,
  83                      HINSTANCE hPrevInstance,
  84                      LPSTR     lpCmdLine,
  85                      int       nCmdShow)
  86 {
  87         // TODO: Place code here.
  88         if (strcmp (lpCmdLine, "")==0)
  89         {
  90                 MessageBox (NULL, "Open a file with the default application.\nUsage: open_file [filepath]", "Open file", MB_OK|MB_ICONINFORMATION);
  91         }
  92         else
  93         {
  94                 char ext[512];
  95                 _splitpath (lpCmdLine, NULL, NULL, NULL, ext);
  96                 OpenFile(lpCmdLine, ext, SW_SHOW);
  97         }
  98
  99         return 0;
 100 }