1 files changed, 163 insertions, 0 deletions
diff --git a/Ryujinx.HLE/FileSystem/RomFsProvider.cs b/Ryujinx.HLE/FileSystem/RomFsProvider.cs
new file mode 100644
index 00000000..d966d3d7
--- /dev/null
+++ b/Ryujinx.HLE/FileSystem/RomFsProvider.cs
@@ -0,0 +1,163 @@
+using LibHac;
+using Ryujinx.HLE.HOS;
+using Ryujinx.HLE.HOS.Services.FspSrv;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+
+using static Ryujinx.HLE.HOS.ErrorCode;
+
+namespace Ryujinx.HLE.FileSystem
+{
+    class RomFsProvider : IFileSystemProvider
+    {
+        private Romfs RomFs;
+
+        public RomFsProvider(Stream StorageStream)
+        {
+            RomFs = new Romfs(StorageStream);
+        }
+
+        public long CreateDirectory(string Name)
+        {
+            throw new NotSupportedException();
+        }
+
+        public long CreateFile(string Name, long Size)
+        {
+            throw new NotSupportedException();
+        }
+
+        public long DeleteDirectory(string Name, bool Recursive)
+        {
+            throw new NotSupportedException();
+        }
+
+        public long DeleteFile(string Name)
+        {
+            throw new NotSupportedException();
+        }
+
+        public DirectoryEntry[] GetDirectories(string Path)
+        {
+            List<DirectoryEntry> Directories = new List<DirectoryEntry>();
+
+            foreach(RomfsDir Directory in RomFs.Directories)
+            {
+                DirectoryEntry DirectoryEntry = new DirectoryEntry(Directory.Name, DirectoryEntryType.Directory);
+
+                Directories.Add(DirectoryEntry);
+            }
+
+            return Directories.ToArray();
+        }
+
+        public DirectoryEntry[] GetEntries(string Path)
+        {
+            List<DirectoryEntry> Entries = new List<DirectoryEntry>();
+
+            foreach (RomfsDir Directory in RomFs.Directories)
+            {
+                DirectoryEntry DirectoryEntry = new DirectoryEntry(Directory.Name, DirectoryEntryType.Directory);
+
+                Entries.Add(DirectoryEntry);
+            }
+
+            foreach (RomfsFile File in RomFs.Files)
+            {
+                DirectoryEntry DirectoryEntry = new DirectoryEntry(File.Name, DirectoryEntryType.File, File.DataLength);
+
+                Entries.Add(DirectoryEntry);
+            }
+
+            return Entries.ToArray();
+        }
+
+        public DirectoryEntry[] GetFiles(string Path)
+        {
+            List<DirectoryEntry> Files = new List<DirectoryEntry>();
+
+            foreach (RomfsFile File in RomFs.Files)
+            {
+                DirectoryEntry DirectoryEntry = new DirectoryEntry(File.Name, DirectoryEntryType.File, File.DataLength);
+
+                Files.Add(DirectoryEntry);
+            }
+
+            return Files.ToArray();
+        }
+
+        public long GetFreeSpace(ServiceCtx Context)
+        {
+            return 0;
+        }
+
+        public string GetFullPath(string Name)
+        {
+            return Name;
+        }
+
+        public long GetTotalSpace(ServiceCtx Context)
+        {
+            return RomFs.Files.Sum(x => x.DataLength);
+        }
+
+        public bool DirectoryExists(string Name)
+        {
+            return RomFs.Directories.Exists(x=>x.Name == Name);
+        }
+
+        public bool FileExists(string Name)
+        {
+            return RomFs.FileExists(Name);
+        }
+
+        public long OpenDirectory(string Name, int FilterFlags, out IDirectory DirectoryInterface)
+        {
+            RomfsDir Directory = RomFs.Directories.Find(x => x.Name == Name);
+
+            if (Directory != null)
+            {
+                DirectoryInterface = new IDirectory(Name, FilterFlags, this);
+
+                return 0;
+            }
+
+            DirectoryInterface = null;
+
+            return MakeError(ErrorModule.Fs, FsErr.PathDoesNotExist);
+        }
+
+        public long OpenFile(string Name, out IFile FileInterface)
+        {
+            if (RomFs.FileExists(Name))
+            {
+                Stream Stream = RomFs.OpenFile(Name);
+
+                FileInterface = new IFile(Stream, Name);
+
+                return 0;
+            }
+
+            FileInterface = null;
+
+            return MakeError(ErrorModule.Fs, FsErr.PathDoesNotExist);
+        }
+
+        public long RenameDirectory(string OldName, string NewName)
+        {
+            throw new NotSupportedException();
+        }
+
+        public long RenameFile(string OldName, string NewName)
+        {
+            throw new NotSupportedException();
+        }
+
+        public void CheckIfOutsideBasePath(string Path)
+        {
+            throw new NotSupportedException();
+        }
+    }
+}