1 files changed, 45 insertions, 0 deletions
diff --git a/src/Ryujinx.HLE/Utilities/PartitionFileSystemUtils.cs b/src/Ryujinx.HLE/Utilities/PartitionFileSystemUtils.cs
new file mode 100644
index 00000000..3c4ce085
--- /dev/null
+++ b/src/Ryujinx.HLE/Utilities/PartitionFileSystemUtils.cs
@@ -0,0 +1,45 @@
+using LibHac;
+using LibHac.Fs.Fsa;
+using LibHac.FsSystem;
+using LibHac.Tools.Fs;
+using LibHac.Tools.FsSystem;
+using Ryujinx.HLE.FileSystem;
+using System.IO;
+
+namespace Ryujinx.HLE.Utilities
+{
+    public static class PartitionFileSystemUtils
+    {
+        public static IFileSystem OpenApplicationFileSystem(string path, VirtualFileSystem fileSystem, bool throwOnFailure = true)
+        {
+            FileStream file = File.OpenRead(path);
+
+            IFileSystem partitionFileSystem;
+
+            if (Path.GetExtension(path).ToLower() == ".xci")
+            {
+                partitionFileSystem = new Xci(fileSystem.KeySet, file.AsStorage()).OpenPartition(XciPartitionType.Secure);
+            }
+            else
+            {
+                var pfsTemp = new PartitionFileSystem();
+                Result initResult = pfsTemp.Initialize(file.AsStorage());
+
+                if (throwOnFailure)
+                {
+                    initResult.ThrowIfFailure();
+                }
+                else if (initResult.IsFailure())
+                {
+                    return null;
+                }
+
+                partitionFileSystem = pfsTemp;
+            }
+
+            fileSystem.ImportTickets(partitionFileSystem);
+
+            return partitionFileSystem;
+        }
+    }
+}