private static IEnumerable <Type> ExtractElementTypes(SerializationContext context, ISerializerGeneratorConfiguration configuration, Type type)
{
if (!SerializationTarget.BuiltInSerializerExists(configuration, type, type.GetCollectionTraits(CollectionTraitOptions.None, context.CompatibilityOptions.AllowNonCollectionEnumerableTypes)))
{
yield return(type);
// Search dependents recursively if the type is NOT enum.
if (!type.GetIsEnum())
{
foreach (
var dependentType in
SerializationTarget.Prepare(context, type)
.Members.Where(m => m.Member != null).SelectMany(m => ExtractElementTypes(context, configuration, m.Member.GetMemberValueType()))
)
{
yield return(dependentType);
}
}
}
if (type.IsArray)
{
var elementType = type.GetElementType();
if (!SerializationTarget.BuiltInSerializerExists(configuration, elementType, elementType.GetCollectionTraits(CollectionTraitOptions.None, allowNonCollectionEnumerableTypes: false)))
{
foreach (var descendant in ExtractElementTypes(context, configuration, elementType))
{
yield return(descendant);
}
yield return(elementType);
}
yield break;
}
if (type.IsGenericType)
{
// Search generic arguments recursively.
foreach (var elementType in type.GetGenericArguments().SelectMany(g => ExtractElementTypes(context, configuration, g)))
{
yield return(elementType);
}
}
if (configuration.WithNullableSerializers && type.GetIsValueType() && Nullable.GetUnderlyingType(type) == null)
{
// Retrun nullable companion even if they always have built-in serializers.
yield return(typeof(Nullable <>).MakeGenericType(type));
}
}
private static IEnumerable <Type> ExtractElementTypes(SerializationContext context, ISerializerGeneratorConfiguration configuration, Type type)
{
if (!SerializationTarget.BuiltInSerializerExists(configuration, type, type.GetCollectionTraits()))
{
yield return(type);
// Search dependents recursively.
foreach (var dependentType in SerializationTarget.Prepare(context, type).Members.SelectMany(m => ExtractElementTypes(context, configuration, m.Member.GetMemberValueType())))
{
yield return(dependentType);
}
}
if (type.IsArray)
{
var elementType = type.GetElementType();
if (!SerializationTarget.BuiltInSerializerExists(configuration, elementType, elementType.GetCollectionTraits()))
{
yield return(elementType);
}
yield break;
}
if (type.IsGenericType)
{
// Search generic arguments recursively.
foreach (var elementType in type.GetGenericArguments().SelectMany(g => ExtractElementTypes(context, configuration, g)))
{
yield return(elementType);
}
}
}
public static bool BuiltInSerializerExists(ISerializerGeneratorConfiguration configuration, Type type, CollectionTraits traits)
{
return(GenericSerializer.IsSupported(type, traits, configuration.PreferReflectionBasedSerializer) || SerializerRepository.InternalDefault.Contains(type));
}
public static bool BuiltInSerializerExists( ISerializerGeneratorConfiguration configuration, Type type, CollectionTraits traits )
{
return GenericSerializer.IsSupported( type, traits, configuration.PreferReflectionBasedSerializer ) || SerializerRepository.InternalDefault.Contains( type );
}