Add MountContent shims

src/LibHac/Fs/FsEnums.cs

@@ -63,7 +63,16 @@ namespace LibHac.Fs
         SdCard = 1
     }
 
-    public enum FileSystemType
+    public enum ContentType
+    {
+        Meta = 0,
+        Control = 1,
+        Manual = 2,
+        Logo = 3,
+        Data = 4,
+    }
+
+    public enum FileSystemProxyType
     {
         Code = 0,
         Data = 1,

src/LibHac/Fs/Shim/Content.cs

@@ -0,0 +1,65 @@
+using System;
+using LibHac.Common;
+using LibHac.FsService;
+using LibHac.FsSystem;
+using LibHac.Ncm;
+
+namespace LibHac.Fs.Shim
+{
+    public static class Content
+    {
+        public static Result MountContent(this FileSystemClient fs, U8Span mountName, U8Span path, ContentType type)
+        {
+            if (type == ContentType.Meta)
+                return ResultFs.InvalidArgument.Log();
+
+            return MountContent(fs, mountName, path, TitleId.Zero, type);
+        }
+
+        public static Result MountContent(this FileSystemClient fs, U8Span mountName, TitleId programId, ContentType type)
+        {
+            Result rc = MountHelpers.CheckMountNameAcceptingReservedMountName(mountName);
+            if (rc.IsFailure()) return rc;
+
+            FileSystemProxyType fspType = ConvertToFileSystemProxyType(type);
+
+            IFileSystemProxy fsProxy = fs.GetFileSystemProxyServiceObject();
+
+            rc = fsProxy.OpenFileSystemWithPatch(out IFileSystem fileSystem, programId, fspType);
+            if (rc.IsFailure()) return rc;
+
+            return fs.Register(mountName, fileSystem);
+        }
+
+        public static Result MountContent(this FileSystemClient fs, U8Span mountName, U8Span path, TitleId titleId, ContentType type)
+        {
+            Result rc = MountHelpers.CheckMountNameAcceptingReservedMountName(mountName);
+            if (rc.IsFailure()) return rc;
+
+            FileSystemProxyType fspType = ConvertToFileSystemProxyType(type);
+
+            return MountContentImpl(fs, mountName, path, titleId, fspType);
+        }
+
+        private static Result MountContentImpl(FileSystemClient fs, U8Span mountName, U8Span path, TitleId titleId, FileSystemProxyType type)
+        {
+            FsPath.FromSpan(out FsPath fsPath, path);
+
+            IFileSystemProxy fsProxy = fs.GetFileSystemProxyServiceObject();
+
+            Result rc = fsProxy.OpenFileSystemWithId(out IFileSystem fileSystem, ref fsPath, titleId, type);
+            if (rc.IsFailure()) return rc;
+
+            return fs.Register(mountName, fileSystem);
+        }
+
+        private static FileSystemProxyType ConvertToFileSystemProxyType(ContentType type) => type switch
+        {
+            ContentType.Meta => FileSystemProxyType.ContentMeta,
+            ContentType.Control => FileSystemProxyType.ContentControl,
+            ContentType.Manual => FileSystemProxyType.ContentManual,
+            ContentType.Data => FileSystemProxyType.ContentData,
+            _ => throw new ArgumentOutOfRangeException(nameof(type), type, null),
+        };
+    }
+}

src/LibHac/FsService/FileSystemProxy.cs

@@ -38,12 +38,12 @@ namespace LibHac.FsService
             AutoCreateSaveData = true;
         }
 
-        public Result OpenFileSystemWithId(out IFileSystem fileSystem, ref FsPath path, TitleId titleId, FileSystemType type)
+        public Result OpenFileSystemWithId(out IFileSystem fileSystem, ref FsPath path, TitleId titleId, FileSystemProxyType type)
         {
             throw new NotImplementedException();
         }
 
-        public Result OpenFileSystemWithPatch(out IFileSystem fileSystem, TitleId titleId, FileSystemType type)
+        public Result OpenFileSystemWithPatch(out IFileSystem fileSystem, TitleId titleId, FileSystemProxyType type)
         {
             throw new NotImplementedException();
         }

src/LibHac/FsService/IFileSystemProxy.cs

@@ -11,8 +11,8 @@ namespace LibHac.FsService
     {
         Result SetCurrentProcess(long processId);
         Result OpenDataFileSystemByCurrentProcess(out IFileSystem fileSystem);
-        Result OpenFileSystemWithPatch(out IFileSystem fileSystem, TitleId titleId, FileSystemType type);
+        Result OpenFileSystemWithPatch(out IFileSystem fileSystem, TitleId titleId, FileSystemProxyType type);
-        Result OpenFileSystemWithId(out IFileSystem fileSystem, ref FsPath path, TitleId titleId, FileSystemType type);
+        Result OpenFileSystemWithId(out IFileSystem fileSystem, ref FsPath path, TitleId titleId, FileSystemProxyType type);
         Result OpenDataFileSystemByProgramId(out IFileSystem fileSystem, TitleId titleId);
         Result OpenBisFileSystem(out IFileSystem fileSystem, ref FsPath rootPath, BisPartitionId partitionId);
         Result OpenBisStorage(out IStorage storage, BisPartitionId partitionId);

src/LibHac/SwitchFs.cs

@@ -162,11 +162,11 @@ namespace LibHac
 
                         switch (content.Type)
                         {
-                            case ContentType.Program:
+                            case Ncm.ContentType.Program:
-                            case ContentType.Data:
+                            case Ncm.ContentType.Data:
                                 title.MainNca = contentNca;
                                 break;
-                            case ContentType.Control:
+                            case Ncm.ContentType.Control:
                                 title.ControlNca = contentNca;
                                 break;
                         }