Utf8StringPointer

1 files changed, 33 insertions, 0 deletions

diff --git a/vulkan/Utf8StringPointer.cs b/vulkan/Utf8StringPointer.cs
new file mode 100644
index 0000000..93ae3d3
--- /dev/null
+++ b/vulkan/Utf8StringPointer.cs
@@ -0,0 +1,33 @@
+// Copyright (c) 2022  Bruyère Jean-Philippe jp_bruyere@hotmail.com
+//
+// This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
+
+using System;
+
+namespace Vulkan
+{
+	public struct Utf8StringPointer : IDisposable
+	{
+		IntPtr handle;
+		Utf8StringPointer (IntPtr ptr) {
+			handle = ptr;
+		}
+		public Utf8StringPointer (string str) {
+			handle = str.PinPointer();
+		}
+		public static implicit operator string (Utf8StringPointer pt)
+			=> pt.ToString();
+		public static implicit operator IntPtr (Utf8StringPointer pt)
+			=> pt.handle;
+		public static implicit operator Utf8StringPointer (IntPtr ptr)
+			=> new Utf8StringPointer (ptr);
+		public static implicit operator Utf8StringPointer (string s)
+			=> new Utf8StringPointer (s);
+		public override string ToString()
+			=> handle == IntPtr.Zero ? "" : System.Runtime.InteropServices.Marshal.PtrToStringUTF8 (handle);
+		public void Dispose()
+		{
+			handle.Unpin();
+		}
+	}
+}
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