1 files changed, 29 insertions, 0 deletions
diff --git a/tools/Sandcastle/Source/CommandLine/SwitchOption.cs b/tools/Sandcastle/Source/CommandLine/SwitchOption.cs
new file mode 100644
index 0000000..daf6877
--- /dev/null
+++ b/tools/Sandcastle/Source/CommandLine/SwitchOption.cs
@@ -0,0 +1,29 @@
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//
+
+using System;
+using System.IO;
+using System.Collections.Generic;
+
+namespace Microsoft.Ddue.Tools.CommandLine {
+
+    public sealed class SwitchOption : Option {
+
+        public SwitchOption(string name) : base(name) { }
+
+        public SwitchOption(string name, string description) : base(name, description) { }
+
+        internal override ParseResult ParseArgument(string argument) {
+            if (argument.Length > 0) return (ParseResult.MalformedArgument);
+            if (present) return (ParseResult.MultipleOccurance);
+            present = true;
+            return (ParseResult.Success);
+        }
+
+        internal override void WriteTemplate(TextWriter writer) {
+            writer.WriteLine("/{0}", Name);
+        }
+
+    }
+
+}