Port SerializedProto

Mediapipe.Net/External/SerializedProto.cs

@@ -0,0 +1,28 @@
+// Copyright (c) homuler and Vignette
+// This file is part of MediaPipe.NET.
+// MediaPipe.NET is licensed under the MIT License. See LICENSE for details.
+
+using System;
+using System.Runtime.InteropServices;
+using Google.Protobuf;
+using Mediapipe.Net.Native;
+
+namespace Mediapipe.Net.External;
+
+[StructLayout(LayoutKind.Sequential)]
+internal struct SerializedProto
+{
+    public IntPtr StrPtr;
+    public int Length;
+
+    // TODO: That Dispose() method is looking very sus...
+    // Might wanna investigate if it's better as a child of Disposable.
+    public void Dispose() => UnsafeNativeMethods.delete_array__PKc(StrPtr);
+
+    public T Deserialize<T>(MessageParser<T> parser) where T : IMessage<T>
+    {
+        byte[] bytes = new byte[Length];
+        Marshal.Copy(StrPtr, bytes, 0, bytes.Length);
+        return parser.ParseFrom(bytes);
+    }
+}