public override CodeGeneratedMethod CreateParseMethodBody(ParserCodeGenContext context)
{
var(classDef, className) = FlatBufferVectorHelpers.CreateFlatBufferVectorOfUnionSubclass(
this.ItemTypeModel,
context);
string createFlatBufferVector =
$@"new {className}<{context.InputBufferTypeName}>(
{context.InputBufferVariableName},
{context.OffsetVariableName}.offset0 + {context.InputBufferVariableName}.{nameof(InputBufferExtensions.ReadUOffset)}({context.OffsetVariableName}.offset0),
{context.OffsetVariableName}.offset1 + {context.InputBufferVariableName}.{nameof(InputBufferExtensions.ReadUOffset)}({context.OffsetVariableName}.offset1),
{context.TableFieldContextVariableName})";
return(new CodeGeneratedMethod(ListVectorTypeModel.CreateParseBody(
this.ItemTypeModel,
createFlatBufferVector,
context))
{
ClassDefinition = classDef
});
}
/// <summary>
/// Tries to create a type model based on the given type.
/// </summary>
public bool TryCreateTypeModel(TypeModelContainer container, Type type, [NotNullWhen(true)] out ITypeModel?typeModel)
{
if (type == typeof(string))
{
typeModel = new StringTypeModel(container);
return(true);
}
if (type.IsArray)
{
if (typeof(IFlatBufferUnion).IsAssignableFrom(type.GetElementType()))
{
typeModel = new ArrayVectorOfUnionTypeModel(type, container);
}
else
{
typeModel = new ArrayVectorTypeModel(type, container);
}
return(true);
}
if (type.IsGenericType)
{
var genericDef = type.GetGenericTypeDefinition();
if (genericDef == typeof(IList <>) || genericDef == typeof(IReadOnlyList <>))
{
if (typeof(IFlatBufferUnion).IsAssignableFrom(type.GetGenericArguments()[0]))
{
typeModel = new ListVectorOfUnionTypeModel(type, container);
}
else
{
typeModel = new ListVectorTypeModel(type, container);
}
return(true);
}
if (genericDef == typeof(Memory <>) || genericDef == typeof(ReadOnlyMemory <>))
{
typeModel = new MemoryVectorTypeModel(type, container);
return(true);
}
if (genericDef == typeof(IIndexedVector <,>))
{
typeModel = new IndexedVectorTypeModel(type, container);
return(true);
}
}
if (typeof(IFlatBufferUnion).IsAssignableFrom(type))
{
typeModel = new UnionTypeModel(type, container);
return(true);
}
if (type.IsEnum)
{
typeModel = new EnumTypeModel(type, container);
return(true);
}
var underlyingType = Nullable.GetUnderlyingType(type);
if (underlyingType is not null)
{
typeModel = new NullableTypeModel(container, type);
return(true);
}
var tableAttribute = type.GetCustomAttribute <FlatBufferTableAttribute>();
var structAttribute = type.GetCustomAttribute <FlatBufferStructAttribute>();
if (tableAttribute is not null && structAttribute is not null)
{
throw new InvalidFlatBufferDefinitionException($"Type '{CSharpHelpers.GetCompilableTypeName(type)}' is declared as both [FlatBufferTable] and [FlatBufferStruct].");
}
