void WriteVerbBlock(IndentedTextWriter writer, string verb, VerbDef verbDef)
{
writer.WriteLine("{0}: {1}", verb, verbDef.Help);
writer.Indent += 1;
WriteOptionBlock(writer, verbDef.Options);
writer.Indent -= 1;
}
public ProgramOpts AddVerb(string verb, string help, Func <ParsedOpts, int> handler, Func <VerbDef, VerbDef> func)
{
var vdef = new VerbDef(verb, help, handler);
if (func != null)
{
vdef = func(vdef);
}
Verbs.Add(verb, vdef);
return(this);
}
public string GetHelp(VerbDef verb)
{
var buffer = new StringWriter();
var writer = new IndentedTextWriter(buffer);
if (Options.Count > 0)
{
writer.WriteLine("Common options:");
writer.Indent += 1;
WriteOptionBlock(writer, Options);
writer.WriteLine();
writer.Indent -= 1;
}
if (Verbs.Count > 0)
{
writer.WriteLine("Commands:");
writer.Indent += 1;
var verbs = new List <string>(Verbs.Keys);
verbs.Sort(StringComparer.Ordinal);
foreach (string v in verbs)
{
if (verb != null && verb.Name != v)
{
continue;
}
WriteVerbBlock(writer, v, Verbs[v]);
writer.WriteLine();
}
writer.Indent -= 1;
}
writer.Flush();
buffer.Flush();
return(buffer.ToString());
}