Minor HelpText refactoring.

Author: gsscoder

CommandLine.sln.DotSettings.user

@@ -6,6 +6,7 @@
   * Fixed issue #6.
   * Using VSSTUDIO CodeAnalysis instead of FxCop.
   * CSharp and VB.NET template updated.
+  * Minor refactoring on HelpText.
 
 2013-02-19  Giacomo Stelluti Scala  <gsscoder@gmail.com>
 

doc/ChangeLog

@@ -274,22 +274,9 @@ public static HelpText AutoBuild(object options)
         /// An instance of <see cref="CommandLine.Text.HelpText"/> class.
         /// </returns>
         /// <param name='options'>The instance that collected command line arguments parsed with <see cref="Parser"/> class.</param>
-        /// <param name='errDelegate'>A delegate used to customize the text block for reporting parsing errors.</param>
-        public static HelpText AutoBuild(object options, Action<HelpText> errDelegate)
-        {
-            return AutoBuild(options, errDelegate, false);
-        }
-
-        /// <summary>
-        /// Creates a new instance of the <see cref="CommandLine.Text.HelpText"/> class using common defaults.
-        /// </summary>
-        /// <returns>
-        /// An instance of <see cref="CommandLine.Text.HelpText"/> class.
-        /// </returns>
-        /// <param name='options'>The instance that collected command line arguments parsed with <see cref="Parser"/> class.</param>
-        /// <param name='errDelegate'>A delegate used to customize the text block for reporting parsing errors.</param>
+        /// <param name='onError'>A delegate used to customize the text block for reporting parsing errors.</param>
         /// <param name="verbsIndex">If true the output style is consistent with verb commands (no dashes), otherwise it outputs options.</param>
-        public static HelpText AutoBuild(object options, Action<HelpText> errDelegate, bool verbsIndex)
+        public static HelpText AutoBuild(object options, Action<HelpText> onError, bool verbsIndex = false)
         {
             var auto = new HelpText
             {
@@ -299,12 +286,12 @@ public static HelpText AutoBuild(object options, Action<HelpText> errDelegate, b
                 AddDashesToOption = !verbsIndex
             };
 
-            if (errDelegate != null)
+            if (onError != null)
             {
                 var list = ReflectionUtil.RetrievePropertyList<ParserStateAttribute>(options);
                 if (list != null)
                 {
-                    errDelegate(auto);
+                    onError(auto);
                 }
             }