private void Push(ParserPositionalParameterResult param, object target)
{
var propertyTarget = param.Parameter.PropertyTarget(target);
var type = propertyTarget.GetType();
var prop = type.GetProperty(param.Parameter.PropertyName);
if (prop == null)
{
throw new CommandLineParserException("Property mismatch: command does not contain property with name '" + param.Parameter.PropertyName + "'.");
}
if (param.Parameter.IsList)
{
if (prop.IsList())
{
PushList(param, prop, propertyTarget, typeof(List<>));
}
else if (prop.IsHashSet())
{
PushList(param, prop, propertyTarget, typeof(HashSet<>));
}
// TODO - others? Is there a more generic way to cope with this?
}
else
{
Push(propertyTarget, prop, param.Values.First());
}
}
private void AddToCollection(ParserPositionalParameterResult param, object collection, Type concreteType, Type[] genericArgs)
{
var add = concreteType.GetMethod("Add");
TypeConverter typeConverter = TypeDescriptor.GetConverter(genericArgs.First());
foreach (var stringVal in param.Values)
{
var val = typeConverter.ConvertFromString(stringVal);
add.Invoke(collection, new[] { val });
}
}
private void PushList(ParserPositionalParameterResult param, PropertyInfo prop, object propertyTarget, Type listType)
{
// var listType = typeof(List<>);
var genericArgs = prop.PropertyType.GetGenericArguments();
var concreteType = listType.MakeGenericType(genericArgs);
var list = prop.GetValue(propertyTarget);
if (list == null)
{
list = Activator.CreateInstance(concreteType);
prop.SetValue(propertyTarget, list);
}
AddToCollection(param, list, concreteType, genericArgs);
}
