Auto type init, async/lazy loading

1 files changed, 60 insertions, 0 deletions

diff --git a/lib/VNLib.Plugins.Extensions.Loading/src/Secrets/SecretResult.cs b/lib/VNLib.Plugins.Extensions.Loading/src/Secrets/SecretResult.cs
new file mode 100644
index 0000000..f2cbd28
--- /dev/null
+++ b/lib/VNLib.Plugins.Extensions.Loading/src/Secrets/SecretResult.cs
@@ -0,0 +1,60 @@
+/*
+* Copyright (c) 2023 Vaughn Nugent
+* 
+* Library: VNLib
+* Package: VNLib.Plugins.Extensions.Loading
+* File: SecretResult.cs 
+*
+* SecretResult.cs is part of VNLib.Plugins.Extensions.Loading which is part of the larger 
+* VNLib collection of libraries and utilities.
+*
+* VNLib.Plugins.Extensions.Loading is free software: you can redistribute it and/or modify 
+* it under the terms of the GNU Affero General Public License as 
+* published by the Free Software Foundation, either version 3 of the
+* License, or (at your option) any later version.
+*
+* VNLib.Plugins.Extensions.Loading is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU Affero General Public License for more details.
+*
+* You should have received a copy of the GNU Affero General Public License
+* along with this program.  If not, see https://www.gnu.org/licenses/.
+*/
+
+using System;
+
+using VNLib.Utils;
+using VNLib.Utils.Extensions;
+using VNLib.Utils.Memory;
+
+namespace VNLib.Plugins.Extensions.Loading
+{
+
+    /// <summary>
+    /// The result of a secret fetch operation
+    /// </summary>
+    public sealed class SecretResult : VnDisposeable, ISecretResult
+    {
+        private readonly char[] _secretChars;
+
+        ///<inheritdoc/>
+        public ReadOnlySpan<char> Result => _secretChars;
+
+
+        internal SecretResult(ReadOnlySpan<char> value) => _secretChars = value.ToArray();
+
+        ///<inheritdoc/>
+        protected override void Free()
+        {
+            MemoryUtil.InitializeBlock(_secretChars.AsSpan());
+        }
+
+        internal static SecretResult ToSecret(string? result)
+        {
+            SecretResult res = new(result.AsSpan());
+            MemoryUtil.UnsafeZeroMemory<char>(result);
+            return res;
+        }
+    }
+}