/// <summary>
/// Initializes a new instance of the <see cref="CommandLineSwitch"/> class
/// </summary>
/// <param name="instance">Instance we're configuring with this switch.</param>
/// <param name="method">Method to invoke if this switch is present.</param>
public CommandLineSwitch(object instance, MethodInfo method)
: base(method)
{
if (instance == null)
{
throw new ArgumentNullException(nameof(instance));
}
Debug.Assert(method.DeclaringType != null);
if (!method.DeclaringType.GetTypeInfo().IsInstanceOfType(instance))
{
throw new ArgumentException("Expect method to be callable on instance", nameof(method));
}
_instance = instance;
_method = method;
ShortName = "-" + CamelCase.ToShortName(method.Name);
AlternateShortName = "/" + CamelCase.ToShortName(method.Name);
LongName = "--" + CamelCase.ToDashedName(method.Name);
}
/// <summary>
/// Initializes a new instance of the <see cref="CommandLineParameter{V}"/> class
/// </summary>
/// <param name="instance">Instance that we're configuring with this parameter.</param>
/// <param name="method">Method to invoke if this parameter is used.</param>
public CommandLineParameter(object instance, MethodInfo method)
: base(method)
{
_instance = instance ?? throw new ArgumentNullException(nameof(instance));
Debug.Assert(method.DeclaringType != null);
if (!method.DeclaringType.GetTypeInfo().IsInstanceOfType(instance))
{
throw new ArgumentException(
"Expect method to be callable on instance", nameof(method));
}
_method = method;
_parameterInfo = method.GetParameters().Single();
var name = method.Name;
ShortName = "-" + CamelCase.ToShortName(name);
AlternateShortName = "/" + CamelCase.ToShortName(name);
LongName = "--" + CamelCase.ToDashedName(name);
IsRequired = method.GetCustomAttribute <RequiredAttribute>() != null;
IsMultivalued = _parameterInfo.ParameterType.IsIEnumerable();
}