checkpoint

Alpm/Marshalling/UTF8In.cs

@@ -0,0 +1,38 @@
+using System;
+using System.Runtime.InteropServices;
+
+namespace Foodsoft.Alpm.Marshalling
+{
+    internal readonly struct UTF8In : ICustomMarshaler
+    {
+        private static readonly UTF8In _instance = default;
+
+        public void CleanUpManagedData(object managedObj) { }
+
+        public void CleanUpNativeData(IntPtr pNativeData)
+        {
+            if (pNativeData == IntPtr.Zero)
+                return;
+            Marshal.FreeCoTaskMem(pNativeData);
+        }
+
+        public int GetNativeDataSize() => -1;
+
+        public IntPtr MarshalManagedToNative(object? managedObj)
+        {
+            return Marshal.StringToCoTaskMemUTF8((string?) managedObj);
+        }
+
+        public object MarshalNativeToManaged(IntPtr pNativeData)
+        {
+            return Marshal.PtrToStringUTF8(pNativeData)!;
+        }
+
+        // ReSharper disable once UnusedMember.Local
+        // ReSharper disable once UnusedParameter.Local
+        private static ICustomMarshaler GetInstance(string cookie)
+        {
+            return _instance;
+        }
+    }
+}

Alpm/Marshalling/UTF8Return.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Runtime.InteropServices;
+
+namespace Foodsoft.Alpm.Marshalling
+{
+    internal readonly struct UTF8Return : ICustomMarshaler
+    {
+        private static readonly UTF8Return _instance = default;
+
+        // ReSharper disable once UnusedMember.Local
+        // ReSharper disable once UnusedParameter.Local
+        private static ICustomMarshaler GetInstance(string cookie)
+        {
+            return _instance;
+        }
+
+        public void CleanUpManagedData(object managedObj) { }
+
+        public void CleanUpNativeData(IntPtr pNativeData) { }
+
+        public int GetNativeDataSize() => -1;
+
+        public object MarshalNativeToManaged(IntPtr pNativeData)
+        {
+            return Marshal.PtrToStringUTF8(pNativeData)!;
+        }
+
+        public IntPtr MarshalManagedToNative(object managedObj)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}