public object Convert(object?value, Type targetType, OptionBaseAttribute optionAttribute)
{
if (value == null)
{
return(ConverterAction.DoNothing);
}
if (!targetType.IsAssignableTo(typeof(IEnumerable)))
{
return(ConverterAction.DoNothing);
}
var itemType = typeof(object);
if (targetType.IsConstructedGenericType && targetType.GetGenericTypeDefinition() == typeof(IEnumerable <>))
{
itemType = targetType.GetGenericArguments().First();
}
var values = value.ToStringSafe().Split(optionAttribute.Separator);
var result = values.Select(x => System.Convert.ChangeType(x, itemType)).ToArray();
return(itemType == typeof(object)
? result
: result.OfType(itemType));
}
public object Convert(object?value, Type targetType, OptionBaseAttribute optionAttribute)
{
if (value == null || string.IsNullOrEmpty(value.ToString()))
{
return(true);
}
return(bool.TryParse(value.ToString(), out var boolValue) && boolValue);
}
public object Convert(object?value, Type targetType, OptionBaseAttribute optionAttribute)
{
var text = value?.ToString();
return(text switch
{
"Hello" => "World",
"World" => "Hello",
_ => text?.ToUpper() ?? string.Empty
});
public object?Convert(object?value, Type targetType, OptionBaseAttribute optionAttribute)
{
if (targetType != typeof(string) && targetType.IsAssignableTo(typeof(IEnumerable)))
{
return(_enumerableConverter.Convert(value, targetType, optionAttribute));
}
return(targetType.IsEnum
? _enumConverter.Convert(value, targetType, optionAttribute)
: InternalConvert(value, targetType, optionAttribute));
}
public object Convert(object?value, Type targetType, OptionBaseAttribute optionAttribute)
{
if (!targetType.IsEnum)
{
return(ConverterAction.DoNothing);
}
var allEnumFields = EnumUtils.GetEnumFieldInfos(targetType);
return(targetType.GetCustomAttribute <FlagsAttribute>() == null
? ConvertEnum(allEnumFields, value)
: ConvertEnumFlags(allEnumFields, value, targetType));
}
protected OptionPropertyBase(PropertyInfo propertyInfo, OptionBaseAttribute optionAttribute)
{
_propertyInfo = propertyInfo;
_optionAttribute = optionAttribute;
}
private object?InternalConvert(object?value, Type targetType, OptionBaseAttribute optionAttribute)
{
return(_converters.TryGetValue(targetType, out var converter)
? converter.Convert(value, targetType, optionAttribute)
: System.Convert.ChangeType(value, targetType));
}
public RequiredArgumentMissingException(PropertyInfo missingProperty,
OptionBaseAttribute optionAttribute)
{
MissingProperty = missingProperty;
_optionAttribute = optionAttribute;
}