private Dictionary <string, Type> InitializeVerbTypes(List <Type> verbTypes)
{
Dictionary <string, Type> res = new Dictionary <string, Type>(GetComparer());
foreach (Type t in verbTypes)
{
object[] attrs = t.GetCustomAttributes(typeof(VerbAttribute), true);
if (attrs.Length != 1)
{
throw new ArgumentParserException(
String.Format(ExceptionMessages.VerbAttributeError, t.FullName));
}
VerbAttribute a = (VerbAttribute)attrs[0];
if (res.ContainsKey(a.Name))
{
throw new ArgumentParserException(
String.Format(ExceptionMessages.VerbDuplicate, t.FullName));
}
res.Add(a.Name, t);
}
return(res);
}
public void PrintUsageInternal(List <Type> verbTypes, TextWriter output)
{
output.WriteLine("Syntax:");
output.WriteLine();
output.WriteLine(" {0} <verb> [-parameter <value>] [-option]", Path.GetFileNameWithoutExtension(Assembly.GetEntryAssembly().Location));
output.WriteLine();
output.WriteLine("Verbs:");
foreach (Type t in verbTypes)
{
VerbAttribute a = (VerbAttribute)t.GetCustomAttributes(typeof(VerbAttribute), true)[0];
output.WriteLine(" {0}: {1}", a.Name, a.Description);
output.WriteLine();
output.WriteLine(" Parameters and options:");
output.WriteLine();
Dictionary <string, PropertyInfo> pars;
Dictionary <string, ParameterAttribute> atts;
ReflectVerbType(t, out pars, out atts);
foreach (string key in pars.Keys)
{
if (atts[key] is OptionAttribute)
{
output.WriteLine(
" -{0,-25}{1}",
atts[key].Name,
atts[key].Description);
}
else
{
output.WriteLine(
" -{0,-25}{1}{2}",
String.Format("{0} <{1}>", atts[key].Name, pars[key].PropertyType.Name),
atts[key].Description,
atts[key].Required ? " Required." : "");
}
}
output.WriteLine();
}
}
