public static void GenerateHelp(Type argsType, TextWriter writer)
{
writer.WriteLine("Usage:");
var typeInfo = new CommandLineArgumentsParserTypeInfo(argsType);
if (typeInfo.DefaultProperty != null)
{
writer.Write("[{0}]", typeInfo.DefaultProperty.Property.Name);
}
foreach (var prop in typeInfo.Properties)
{
if (prop == typeInfo.DefaultProperty)
{
continue;
}
writer.Write(" ");
if (prop.SyntaxAttribute != null && prop.SyntaxAttribute.Format != null)
{
if (prop.SyntaxAttribute.Format.Contains("{0}"))
{
writer.Write(prop.SyntaxAttribute.Format, prop.Property.Name);
}
else
{
writer.Write("[{0} ({1})]", prop.SyntaxAttribute.Format, prop.Property.Name);
}
}
}
writer.WriteLine();
}
public static string Generate(object target)
{
var sb = new StringBuilder();
var typeInfo = new CommandLineArgumentsParserTypeInfo(target.GetType());
if (typeInfo.DefaultProperty != null)
{
var value = typeInfo.DefaultProperty.Property.GetValue(target, null);
sb.AppendFormat("\"{0}\" ", value);
}
foreach (var prop in typeInfo.Properties)
{
if (prop == typeInfo.DefaultProperty || prop.SyntaxFormat.IsNullOrEmpty())
{
continue;
}
var value = prop.Property.GetValue(target, null);
if (value != null)
{
if (!prop.SyntaxFormatHasParameter && value is bool)
{
if ((bool)value == true)
{
sb.AppendFormat(prop.SyntaxFormat);
sb.Append(" ");
}
}
else
{
string sValue;
if (prop.NeedsQuote)
{
sValue = String.Format("\"{0}\"", value);
}
else
{
sValue = String.Format("{0}", value);
}
sb.AppendFormat(prop.SyntaxFormat, sValue);
sb.Append(" ");
}
}
}
return(sb.ToString());
}
internal ToolArgsParser(object target)
{
Target = target;
TargetTypeInfo = new CommandLineArgumentsParserTypeInfo(Target.GetType());
}
