private static void AssignValue(PropertyInfo property, ICommand command, string option, object value) { try { if (CommandLineUtility.IsMultiValuedProperty(property)) { // If we were able to look up a parent of type ICollection<>, perform a Add operation on it. // Note that we expect the value is a string. var stringValue = value as string; Debug.Assert(stringValue != null); dynamic list = property.GetValue(command, null); // The parameter value is one or more semi-colon separated values: nuget pack -option "foo;bar;baz" foreach (var item in stringValue.Split(new[] { ';' }, StringSplitOptions.RemoveEmptyEntries)) { list.Add(item); } } else { property.SetValue(command, CommandLineUtility.ChangeType(value, property.PropertyType), null); } } catch { throw new CommandLineException(NuGetResources.InvalidOptionValueError, option, value); } }
public IDictionary <OptionAttribute, PropertyInfo> GetCommandOptions(ICommand command) { var result = new Dictionary <OptionAttribute, PropertyInfo>(); foreach (PropertyInfo propInfo in command.GetType().GetProperties()) { foreach (OptionAttribute attr in propInfo.GetCustomAttributes(typeof(OptionAttribute), true)) { if (!propInfo.CanWrite && !CommandLineUtility.IsMultiValuedProperty(propInfo)) { // If the property has neither a setter nor is of a type that can be cast to ICollection<> then there's no way to assign // values to it. In this case throw. throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture, NuGetResources.OptionInvalidWithoutSetter, command.GetType().FullName + "." + propInfo.Name)); } result.Add(attr, propInfo); } } return(result); }