internal static PropertyMapping Create(PropertyInfo prop, out IEnumerable <Type> referredTypes)
{
if (prop == null)
{
throw Error.ArgumentNull(nameof(prop));
}
var foundTypes = new List <Type>();
PropertyMapping result = new PropertyMapping();
var elementAttr = prop.GetCustomAttribute <FhirElementAttribute>();
var cardinalityAttr = prop.GetCustomAttribute <Validation.CardinalityAttribute>();
result.Name = determinePropertyName(prop);
result.ReturnType = prop.PropertyType;
result.ElementType = result.ReturnType;
result.InSummary = elementAttr != null ? elementAttr.InSummary : false;
result.IsMandatoryElement = cardinalityAttr != null ? cardinalityAttr.Min > 0 : false;
result.Choice = elementAttr != null ? elementAttr.Choice : ChoiceType.None;
if (elementAttr != null)
{
result.SerializationHint = elementAttr.XmlSerialization;
result.Order = elementAttr.Order;
}
foundTypes.Add(result.ElementType);
result.IsCollection = ReflectionHelper.IsTypedCollection(prop.PropertyType) && !prop.PropertyType.IsArray;
// Get to the actual (native) type representing this element
if (result.IsCollection)
{
result.ElementType = ReflectionHelper.GetCollectionItemType(prop.PropertyType);
}
if (ReflectionHelper.IsNullableType(result.ElementType))
{
result.ElementType = ReflectionHelper.GetNullableArgument(result.ElementType);
}
result.IsPrimitive = isAllowedNativeTypeForDataTypeValue(result.ElementType);
// Check wether this property represents a native .NET type
// marked to receive the class' primitive value in the fhir serialization
// (e.g. the value from the Xml 'value' attribute or the Json primitive member value)
if (result.IsPrimitive)
{
result.RepresentsValueElement = isPrimitiveValueElement(prop);
}
referredTypes = foundTypes;
// May need to generate getters/setters using pre-compiled expression trees for performance.
// See http://weblogs.asp.net/marianor/archive/2009/04/10/using-expression-trees-to-get-property-getter-and-setters.aspx
result._getter = instance => prop.GetValue(instance, null);
result._setter = (instance, value) => prop.SetValue(instance, value, null);
return(result);
}
//public Type GetChoiceType(string choiceSuffix)
//{
// string suffix = choiceSuffix.ToUpperInvariant();
// if(!HasChoices) return null;
// return _choices
// .Where(cattr => cattr.TypeName.ToUpperInvariant() == suffix)
// .Select(cattr => cattr.Type)
// .FirstOrDefault();
//}
private static bool isAllowedNativeTypeForDataTypeValue(Type type)
{
// Special case, allow Nullable<enum>
if (ReflectionHelper.IsNullableType(type))
type = ReflectionHelper.GetNullableArgument(type);
return type.IsEnum() ||
PrimitiveTypeConverter.CanConvert(type);
}
internal static PropertyMapping Create(PropertyInfo prop, out IEnumerable <Type> referredTypes)
{
if (prop == null)
{
throw Error.ArgumentNull(nameof(prop));
}
var foundTypes = new List <Type>();
PropertyMapping result = new PropertyMapping();
var elementAttr = prop.GetCustomAttribute <FhirElementAttribute>();
var cardinalityAttr = prop.GetCustomAttribute <Validation.CardinalityAttribute>();
var allowedTypes = prop.GetCustomAttribute <Validation.AllowedTypesAttribute>();
result.Name = determinePropertyName(prop);
result.ImplementingType = prop.PropertyType;
result.InSummary = elementAttr?.InSummary ?? false;
result.IsMandatoryElement = cardinalityAttr != null ? cardinalityAttr.Min > 0 : false;
result.Choice = elementAttr?.Choice ?? ChoiceType.None;
if (elementAttr != null)
{
result.SerializationHint = elementAttr.XmlSerialization;
result.Order = elementAttr.Order;
}
result.IsCollection = ReflectionHelper.IsTypedCollection(prop.PropertyType) && !prop.PropertyType.IsArray;
// Get to the actual (native) type representing this element
if (result.IsCollection)
{
result.ImplementingType = ReflectionHelper.GetCollectionItemType(prop.PropertyType);
}
if (ReflectionHelper.IsNullableType(result.ImplementingType))
{
result.ImplementingType = ReflectionHelper.GetNullableArgument(result.ImplementingType);
}
result.IsPrimitive = isAllowedNativeTypeForDataTypeValue(result.ImplementingType);
result.IsBackboneElement = result.ImplementingType.CanBeTreatedAsType(typeof(IBackboneElement));
foundTypes.Add(result.ImplementingType);
// Derive the C# type that represents which types are allowed for this element.
// This may differ from the ImplementingType in several ways:
// * for a choice, ImplementingType = Any, but FhirType[] contains the possible choices
// * some elements (e.g. Extension.url) have ImplementingType = string, but FhirType = FhirUri, etc.
if (allowedTypes != null)
{
result.FhirType = allowedTypes.Types;
}
else if (elementAttr?.TypeRedirect != null)
{
result.FhirType = new[] { elementAttr.TypeRedirect }
}
;
else
{
result.FhirType = new[] { result.ImplementingType }
};
// Check wether this property represents a native .NET type
// marked to receive the class' primitive value in the fhir serialization
// (e.g. the value from the Xml 'value' attribute or the Json primitive member value)
if (result.IsPrimitive)
{
result.RepresentsValueElement = isPrimitiveValueElement(prop);
}
referredTypes = foundTypes;
#if USE_CODE_GEN
result._getter = prop.GetValueGetter();
result._setter = prop.GetValueSetter();
#else
result._getter = instance => prop.GetValue(instance, null);
result._setter = (instance, value) => prop.SetValue(instance, value, null);
#endif
return(result);
}
