public void WriteHelp(ConsoleColor emphasisColor = ConsoleColor.White)
{
var doc = new CommandLineDocumentation();
var processor = GetCommandLineProcessor();
processor.WriteDocumentation(doc);
WriteHelp(doc, emphasisColor);
}
public void WriteHelp([NotNull] CommandLineDocumentation documentation, ConsoleColor emphasisColor = ConsoleColor.White)
{
if (documentation == null)
{
throw new ArgumentNullException(nameof(documentation));
}
var writer = new ConsoleWriter {
IncludeScope = false
};
var names = documentation.GetSortedTokens().OfType <CommandLineNamedTokenDocumentation>().ToArray();
var shortDescriptions = names.Where(x => !string.IsNullOrWhiteSpace(x.ShortDescription)).ToArray();
using (WithColor(emphasisColor))
{
Console.WriteLine("Usage");
}
var bufferWidth = GetAvailableBufferWidth();
Console.WriteLine($" {Metadata.ModuleName} {documentation}".WordWrap(bufferWidth, new string(' ', 3), ""));
if (shortDescriptions.Any())
{
using (WithColor(emphasisColor))
{
Console.WriteLine();
Console.WriteLine("Available command line parameters");
Console.WriteLine();
}
var padWidth = shortDescriptions.Max(x => GetTokenLabel(x).Length) + 2;
foreach (var token in shortDescriptions)
{
var label = GetTokenLabel(token).PadRight(padWidth);
writer.WriteInformation($" {label}{token.ShortDescription}".WordWrap(bufferWidth, new string(' ', padWidth + 3), ""));
}
}
var descriptions = names.Where(x => !string.IsNullOrWhiteSpace(x.Description)).ToArray();
if (descriptions.Any())
{
using (WithColor(emphasisColor))
{
Console.WriteLine();
Console.WriteLine("Parameter descriptions");
Console.WriteLine();
}
foreach (var token in descriptions)
{
var label = token.Name;
using (WithColor(emphasisColor))
{
Console.WriteLine($" {label}");
}
writer.WriteInformation(token.Description.WordWrap(bufferWidth, " "));
Console.WriteLine();
}
}
}
