public void CanPrintUsageRequired()
{
var writer = new UsageWriter(UsageTarget.Console);
string usage = writer.WriteArgUsage("-y", "the message", false, 4);
Assert.AreEqual(" -y the message", usage);
}
public void CanPrintUsageOptional()
{
var writer = new UsageWriter(UsageTarget.Console);
string usage = writer.WriteArgUsage("-y", "the message", true, 4);
Assert.AreEqual(" [-y] the message", usage);
}
public void Usage <T>(TextWriter writer)
{
if (writer == null)
{
throw new ArgumentNullException(nameof(writer));
}
var helperWriter = new UsageWriter(writer);
helperWriter.Write(typeof(T), this.Configuration);
}
internal bool ParseNoVerb(object options, LinkedList <string> args)
{
try
{
this.ParseNoVerbInternal(options, args);
return(true);
}
catch (ParserException)
{
if (this.Configuration.ErrorOutput != null)
{
var hlp = new UsageWriter(this.Configuration.ErrorOutput);
hlp.Write(options, this.Configuration);
return(false);
}
throw;
}
}
