public string GetUsage() { var help = new HelpText { Heading = "EventStore.Client", AddDashesToOption = true }; HandleParsingErrorsInHelp(help); help.AddPreOptionsLine("Usage: EventStore.Client -i 127.0.0.1 -t 1113 -h 2113"); help.AddOptions(this); return help; }
/// <summary> /// Creates a new instance of the <see cref="HelpText"/> class using common defaults. /// </summary> /// <returns> /// An instance of <see cref="HelpText"/> class. /// </returns> /// <param name='options'> /// The instance that collected command line arguments parsed with <see cref="CommandLineParser"/> class. /// </param> /// <param name='errDelegate'> /// A delegate used to customize the text block for reporting parsing errors. /// </param> public static HelpText AutoBuild(object options, HandleParsingErrorsDelegate errDelegate) { var title = ReflectionUtil.GetAttribute<AssemblyTitleAttribute>(); if (title == null) throw new InvalidOperationException("HelpText::AutoBuild() requires that you define AssemblyTitleAttribute."); var copyright = ReflectionUtil.GetAttribute<AssemblyCopyrightAttribute>(); if (copyright == null) throw new InvalidOperationException("HelpText::AutoBuild() requires that you define AssemblyCopyrightAttribute."); var version = ReflectionUtil.GetAttribute<AssemblyInformationalVersionAttribute>(); // let AssemblyInformationalVersionAttribute be null because its not added to project by default and its not so crucial var auto = new HelpText { Heading = new HeadingInfo(Path.GetFileNameWithoutExtension(title.Title), version != null ? version.InformationalVersion : "(unspecified)"), Copyright = copyright.Copyright, AdditionalNewLineAfterOption = true, AddDashesToOption = true }; if (errDelegate != null) { var typedTarget = options as CommandLineOptionsBase; if (typedTarget != null) { errDelegate(auto); } } var license = ReflectionUtil.GetAttribute<AssemblyLicenseAttribute>(); if (license != null) { //auto.AddPreOptionsLine(license.FullText); license.AddToHelpText(auto, true); } var usage = ReflectionUtil.GetAttribute<AssemblyUsageAttribute>(); if (usage != null) { //auto.AddPreOptionsLine(usage.FullText); usage.AddToHelpText(auto, true); } auto.AddOptions(options); return auto; }