1  using LibHac;
 2  using LibHac.Fs.Fsa;
 3  using LibHac.FsSystem;
 4  using LibHac.Tools.Fs;
 5  using LibHac.Tools.FsSystem;
 6  using Ryujinx.HLE.FileSystem;
 7  using System.IO;
 8  
 9  namespace Ryujinx.HLE.Utilities
10  {
11      public static class PartitionFileSystemUtils
12      {
13          public static IFileSystem OpenApplicationFileSystem(string path, VirtualFileSystem fileSystem, bool throwOnFailure = true)
14          {
15              FileStream file = File.OpenRead(path);
16  
17              IFileSystem partitionFileSystem;
18  
19              if (Path.GetExtension(path).ToLower() == ".xci")
20              {
21                  partitionFileSystem = new Xci(fileSystem.KeySet, file.AsStorage()).OpenPartition(XciPartitionType.Secure);
22              }
23              else
24              {
25                  var pfsTemp = new PartitionFileSystem();
26                  Result initResult = pfsTemp.Initialize(file.AsStorage());
27  
28                  if (throwOnFailure)
29                  {
30                      initResult.ThrowIfFailure();
31                  }
32                  else if (initResult.IsFailure())
33                  {
34                      return null;
35                  }
36  
37                  partitionFileSystem = pfsTemp;
38              }
39  
40              fileSystem.ImportTickets(partitionFileSystem);
41  
42              return partitionFileSystem;
43          }
44      }
45  }