private IReadOnlyList <OptionGroup> GroupOptions(IEnumerable <Option> options)
{
Contract.Ensures(Contract.Result <IList <OptionGroup> >() != null);
var groups = new OrderedDictionary <string, OptionGroup>();
var helpMap = new Dictionary <Option, OptionHelp>();
foreach (var opt in options)
{
if (opt.Kind == OptionKind.Group)
{
continue;
}
int flags = opt.Flags;
if (Settings.FlagsToInclude != 0 && (flags & Settings.FlagsToInclude) == 0)
{
continue;
}
if ((flags & Settings.FlagsToExclude) != 0)
{
continue;
}
// Ignore options without help text or which are aliases of an
// option without help text.
Option mainOpt;
if (opt.HelpText != null)
{
mainOpt = opt;
}
else if ((mainOpt = opt.Alias) != null && mainOpt.HelpText != null)
{
// Empty
}
else
{
continue;
}
string title = GetGroupTitle(mainOpt) ?? Settings.DefaultHelpGroup;
if (!groups.ContainsKey(title))
{
groups.Add(title, new OptionGroup(title));
}
string name = opt.GetHelpName(Settings.DefaultMetaVar);
if (!helpMap.TryGetValue(mainOpt, out OptionHelp help))
{
helpMap[mainOpt] = help = new OptionHelp(name, mainOpt.HelpText);
groups[title].Add(help);
}
else
{
help.AddVariant(name);
}
}
return(groups.Values);
}
public string Help()
{
OptionHelp help = new OptionHelp();
foreach (Option opt in iOptions)
{
opt.AppendHelp(help);
}
return iUsage + "\n" + help;
}
public string Help()
{
OptionHelp help = new OptionHelp();
foreach (Option opt in iOptions)
{
opt.AppendHelp(help);
}
return(iUsage + "\n" + help.ToString());
}
public override void AppendHelp(OptionHelp aHelp)
{
aHelp.Append(iShortName, iLongName, iHelpDesc, iHelpMetaVar);
}
public abstract void AppendHelp(OptionHelp aHelp);
public override void AppendHelp(OptionHelp aHelp)
{
aHelp.Append(iShortName, iLongName, iHelpDesc, iHelpMetaVar);
}
public abstract void AppendHelp(OptionHelp aHelp);
