/// <summary>
/// Generates help text based on custom arguments class
/// </summary>
internal static string Usage()
{
IDictionary <string, ArgumentData> data = ArgumentParserUtils.GetArgumentData <T>();
DetailsAttribute detailsAttr = typeof(T).GetCustomAttribute <DetailsAttribute>();
string details = detailsAttr != null ? detailsAttr.Details : string.Empty;
ITemplate template = new CommandLineUsage
{
Name = Process.GetCurrentProcess().ProcessName,
Description = details,
Required = data.Values.Where(x => !x.Optional).Distinct(),
Optional = data.Values.Where(x => x.Optional).Distinct(),
};
return(template.Print());
}
/// <summary>
/// Returns an instance of custom parameters class
/// </summary>
/// <param name="arg">List of arguments to parse</param>
/// <returns>Parsed arguments</returns>
public static T Parse(string[] arg)
{
var parser = new ArgumentParser <T>(arg, ArgumentParserUtils.GetArgumentData <T>());
if (!parser.Parse())
{
// TODO: Remove calls to PrintUsage from consumers and uncomment below
//if(parser.NeedHelp)
//{
// PrintUsage();
//}
return(default(T));
}
return(parser.Result);
}