public void ReflectionGetOneof()
{
TestAllTypes.Builder builder = TestAllTypes.CreateBuilder();
reflectionTester.SetAllFieldsViaReflection(builder);
Descriptors.OneofDescriptor oneof = TestAllTypes.Descriptor.Oneofs[0];
Descriptors.FieldDescriptor field = TestAllTypes.Descriptor.FindFieldByName("oneof_bytes");
Assert.AreSame(field, builder.OneofFieldDescriptor(oneof));
}
internal FieldDescriptor(FieldDescriptorProto proto, FileDescriptor file,
MessageDescriptor parent, int index, bool isExtension)
: base(proto, file, ComputeFullName(file, parent, proto.Name), index)
{
if (proto.HasType)
{
fieldType = GetFieldTypeFromProtoType(proto.Type);
mappedType = FieldTypeToMappedTypeMap[fieldType];
}
if (FieldNumber <= 0)
{
throw new DescriptorValidationException(this,
"Field numbers must be positive integers.");
}
if (isExtension)
{
if (!proto.HasExtendee)
{
throw new DescriptorValidationException(this,
"FieldDescriptorProto.Extendee not set for extension field.");
}
containingType = null; // Will be filled in when cross-linking
if (parent != null)
{
extensionScope = parent;
}
else
{
extensionScope = null;
}
}
else
{
if (proto.HasExtendee)
{
throw new DescriptorValidationException(this,
"FieldDescriptorProto.Extendee set for non-extension field.");
}
containingType = parent;
if (proto.HasOneofIndex)
{
if (proto.OneofIndex < 0 || proto.OneofIndex >= parent.Proto.OneofDeclCount)
{
throw new DescriptorValidationException(this,
"FieldDescriptorProto.oneof_index is out of range for type " + parent.Name);
}
containingOneof = parent.Oneofs[proto.OneofIndex];
containingOneof.fieldCount++;
}
extensionScope = null;
}
file.DescriptorPool.AddSymbol(this);
}
internal MessageDescriptor(DescriptorProto proto, FileDescriptor file, MessageDescriptor parent, int typeIndex)
: base(proto, file, ComputeFullName(file, parent, proto.Name), typeIndex)
{
containingType = parent;
oneofs = DescriptorUtil.ConvertAndMakeReadOnly(proto.OneofDeclList,
(oneof, index) =>
new OneofDescriptor(oneof, file, this, index));
nestedTypes = DescriptorUtil.ConvertAndMakeReadOnly(proto.NestedTypeList,
(type, index) =>
new MessageDescriptor(type, file, this, index));
enumTypes = DescriptorUtil.ConvertAndMakeReadOnly(proto.EnumTypeList,
(type, index) =>
new EnumDescriptor(type, file, this, index));
// TODO(jonskeet): Sort fields first?
fields = DescriptorUtil.ConvertAndMakeReadOnly(proto.FieldList,
(field, index) =>
new FieldDescriptor(field, file, this, index, false));
extensions = DescriptorUtil.ConvertAndMakeReadOnly(proto.ExtensionList,
(field, index) =>
new FieldDescriptor(field, file, this, index, true));
for (int i = 0; i < proto.OneofDeclCount; i++)
{
oneofs[i].fields = new FieldDescriptor[oneofs[i].FieldCount];
oneofs[i].fieldCount = 0;
}
for (int i = 0; i < proto.FieldCount; i++)
{
OneofDescriptor oneofDescriptor = fields[i].ContainingOneof;
if (oneofDescriptor != null)
{
oneofDescriptor.fields[oneofDescriptor.fieldCount++] = fields[i];
}
}
file.DescriptorPool.AddSymbol(this);
}
