Initial implementation

anthonylangsworth · anthonylangsworth · commit a7fd065ae135 · 2016-10-01T00:39:29.000+10:00
diff --git a/src/CommandLine/Text/CopyrightInfo.cs b/src/CommandLine/Text/CopyrightInfo.cs
@@ -1,6 +1,7 @@
 ﻿// Copyright 2005-2015 Giacomo Stelluti Scala & Contributors. All rights reserved. See License.md in the project root for license information.
 
 using System;
+using System.Dynamic;
 using System.Globalization;
 using System.Reflection;
 using System.Text;
@@ -24,6 +25,17 @@ public class CopyrightInfo
         private readonly string author;
         private readonly int builderSize;
 
+        /// <summary>
+        /// An empty object used for initialization.
+        /// </summary>
+        public static CopyrightInfo Empty 
+        {
+            get
+            {
+               return new CopyrightInfo("author", 1); 
+            }
+        }
+
         /// <summary>
         /// Initializes a new instance of the <see cref="CommandLine.Text.CopyrightInfo"/> class
         /// specifying author and year.
diff --git a/src/CommandLine/Text/HeadingInfo.cs b/src/CommandLine/Text/HeadingInfo.cs
@@ -33,6 +33,17 @@ public HeadingInfo(string programName, string version = null)
             this.version = version;
         }
 
+        /// <summary>
+        /// An empty object used for initialization. 
+        /// </summary>
+        public static HeadingInfo Empty
+        {
+            get
+            {
+                return new HeadingInfo("");
+            }
+        }
+
         /// <summary>
         /// Gets the default heading instance.
         /// The title is retrieved from <see cref="AssemblyTitleAttribute"/>,
diff --git a/src/CommandLine/Text/HelpText.cs b/src/CommandLine/Text/HelpText.cs
@@ -212,13 +212,23 @@ public static HelpText AutoBuild<T>(
         {
             var auto = new HelpText
             {
-                Heading = HeadingInfo.Default,
-                Copyright = CopyrightInfo.Default,
+                Heading = HeadingInfo.Empty,
+                Copyright = CopyrightInfo.Empty,
                 AdditionalNewLineAfterOption = true,
                 AddDashesToOption = !verbsIndex,
                 MaximumDisplayWidth = maxDisplayWidth
             };
 
+            try
+            {
+                auto.Heading = HeadingInfo.Default;
+                auto.Copyright = CopyrightInfo.Default;
+            }
+            catch (Exception)
+            {
+                auto = onError(auto);
+            }
+
             var errors = Enumerable.Empty<Error>();
 
             if (onError != null && parserResult.Tag == ParserResultType.NotParsed)
