xbmc/utils/AliasShortcutUtils.cpp

   1 /*
   2  *      Copyright (C) 2009-2010 Team XBMC
   3  *      http://www.xbmc.org
   4  *
   5  *  This Program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2, or (at your option)
   8  *  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 XBMC; see the file COPYING.  If not, write to
  17  *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  18  *  http://www.gnu.org/copyleft/gpl.html
  19  *
  20  */
  21
  22 #if defined(__APPLE__)
  23 #include <CoreServices/CoreServices.h>
  24 #elif defined(_LINUX)
  25 #else
  26 #endif
  27
  28 #include "Util.h"
  29 #include "AliasShortcutUtils.h"
  30
  31 bool IsAliasShortcut(CStdString &path)
  32 {
  33   bool  rtn = false;
  34
  35 #if defined(__APPLE__)
  36   // Note: regular files that have an .alias extension can be
  37   //   reported as an alias when clearly, they are not. Trap them out.
  38   if (CUtil::GetExtension(path) != ".alias")
  39   {
  40     FSRef fileRef;
  41     Boolean targetIsFolder, wasAliased;
  42
  43     // It is better to call FSPathMakeRefWithOptions and pass kFSPathMakeRefDefaultOptions
  44     //   since it will succeed for paths such as "/Volumes" unlike FSPathMakeRef.
  45     if (noErr == FSPathMakeRefWithOptions((UInt8*)path.c_str(), kFSPathMakeRefDefaultOptions, &fileRef, NULL))
  46     {
  47       if (noErr == FSIsAliasFile(&fileRef, &wasAliased, &targetIsFolder))
  48       {
  49         if (wasAliased)
  50         {
  51           rtn = true;
  52         }
  53       }
  54     }
  55   }
  56 #elif defined(_LINUX)
  57   // Linux does not use alias or shortcut methods
  58 #else
  59 /* Needs testing under Windows platform so ignore shortcuts for now
  60     if (CUtil::GetExtension(path) == ".lnk")
  61     {
  62       rtn = true;
  63     }
  64 */
  65 #endif
  66   return(rtn);
  67 }
  68
  69 void TranslateAliasShortcut(CStdString &path)
  70 {
  71 #if defined(__APPLE__)
  72   FSRef fileRef;
  73   Boolean targetIsFolder, wasAliased;
  74
  75   if (noErr == FSPathMakeRefWithOptions((UInt8*)path.c_str(), kFSPathMakeRefDefaultOptions, &fileRef, NULL))
  76   {
  77     if (noErr == FSResolveAliasFileWithMountFlags(&fileRef, TRUE, &targetIsFolder, &wasAliased, kResolveAliasFileNoUI))
  78     {
  79       if (wasAliased)
  80       {
  81         char real_path[PATH_MAX];
  82         if (noErr == FSRefMakePath(&fileRef, (UInt8*)real_path, PATH_MAX))
  83         {
  84           path = real_path;
  85         }
  86       }
  87     }
  88   }
  89 #elif defined(_LINUX)
  90   // Linux does not use alias or shortcut methods
  91
  92 #else
  93 /* Needs testing under Windows platform so ignore shortcuts for now
  94   CComPtr<IShellLink> ipShellLink;
  95
  96   // Get a pointer to the IShellLink interface
  97   if (NOERROR == CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLink, (void**)&ipShellLink))
  98     WCHAR wszTemp[MAX_PATH];
  99
 100     // Get a pointer to the IPersistFile interface
 101     CComQIPtr<IPersistFile> ipPersistFile(ipShellLink);
 102
 103     // IPersistFile is using LPCOLESTR so make sure that the string is Unicode
 104 #if !defined _UNICODE
 105     MultiByteToWideChar(CP_ACP, 0, lpszShortcutPath, -1, wszTemp, MAX_PATH);
 106 #else
 107     wcsncpy(wszTemp, lpszShortcutPath, MAX_PATH);
 108 #endif
 109
 110     // Open the shortcut file and initialize it from its contents
 111     if (NOERROR == ipPersistFile->Load(wszTemp, STGM_READ))
 112     {
 113       // Try to find the target of a shortcut even if it has been moved or renamed
 114       if (NOERROR == ipShellLink->Resolve(NULL, SLR_UPDATE))
 115       {
 116         WIN32_FIND_DATA wfd;
 117         TCHAR real_path[PATH_MAX];
 118         // Get the path to the shortcut target
 119         if (NOERROR == ipShellLink->GetPath(real_path, MAX_PATH, &wfd, SLGP_RAWPATH))
 120         {
 121           // Get the description of the target
 122           TCHAR szDesc[MAX_PATH];
 123           if (NOERROR == ipShellLink->GetDescription(szDesc, MAX_PATH))
 124           {
 125             path = real_path;
 126           }
 127         }
 128       }
 129     }
 130   }
 131 */
 132 #endif
 133 }