//[GetHelp]
public string GetUsage(CommandMetadata metadata, ParsingResult parsingResult)
{
return new StringBuilder(metadata.Name).AppendLine().AppendLine(metadata.Description)
.AppendLine(string.Join(Environment.NewLine,
parsingResult.Errors.Select(
err =>
(err.OptionMetadata.IsNamedOption
? ((CommandNamedOptionMetadata)err.OptionMetadata).ShortName +
((CommandNamedOptionMetadata)err.OptionMetadata).LongName
: string.Empty) + " " + err.OptionMetadata.ToString() + " - " + err.ParsingErrorBase.ToString()))).ToString();
}
private static void ShowCommandHelp(object command, CommandMetadata metadata, ParsingResult parsingResult)
{
// ReSharper disable PossibleNullReferenceException
if (metadata.HelpMethod == null) HelpBuilder.PrintCommandHelp(Output, metadata, AssemblyInfo, parsingResult);
else
{
var parameters = new List<object>();
foreach (var type in metadata.HelpMethod.GetParameters().Select(param => param.ParameterType))
if (type == typeof(CommandMetadata)) parameters.Add(metadata);
else parameters.Add(parsingResult);
Output.WriteLine(metadata.HelpMethod.Invoke(command, parameters.ToArray()));
}
// ReSharper restore PossibleNullReferenceException
}
