internal ClassBasedCommandOption(ClassBasedCommandOptionMetadata commandOptionMetadata, ICommand command)
{
_commandOptionMetadata = commandOptionMetadata;
_command = command;
_miAddMethod = _commandOptionMetadata.PropertyOption.PropertyType.GetMethod("Add");
if (!string.IsNullOrEmpty(Metadata.DefaultValue))
{
AssignValue(Metadata.DefaultValue);
}
}
private static IEnumerable <ClassBasedCommandOptionMetadata> ExtractCommandOptions(Type commandType, ICommandMetadata commandMetadata, List <IConverter> converters, List <IPropertyOptionAlternateNameGenerator> optionAlternateNameGenerators)
{
foreach (var propertyInfo in commandType.GetProperties(BindingFlags.Public | BindingFlags.Instance).Where(pi => pi.Name != nameof(ICommand.Arguments)))
{
var commandOption = ClassBasedCommandOptionMetadata.Create(propertyInfo, commandMetadata, converters, optionAlternateNameGenerators);
if (commandOption != null)
{
yield return(commandOption);
}
}
}
internal static ClassBasedCommandOptionMetadata Create(PropertyInfo propertyInfo, ICommandMetadata commandMetadata, List <IConverter> converters, IEnumerable <IPropertyOptionAlternateNameGenerator> optionAlternateNameGenerators)
{
Guard.NotNull(propertyInfo, nameof(propertyInfo));
Guard.NotNull(commandMetadata, nameof(commandMetadata));
Guard.NotNull(converters, nameof(converters));
Guard.NotNull(optionAlternateNameGenerators, nameof(optionAlternateNameGenerators));
if (propertyInfo.ShouldBeIgnored())
{
return(null);
}
if (!propertyInfo.IsValidOptionProperty())
{
throw new CommandLineParserException(
Constants.ExceptionMessages.ParserExtractMetadataPropertyShouldBeWritableOrICollection(
propertyInfo.Name, commandMetadata.Name));
}
var commandOption = new ClassBasedCommandOptionMetadata(propertyInfo, commandMetadata, converters, optionAlternateNameGenerators);
return(commandOption);
}