internal FieldDescriptor(FieldDescriptorProto proto, FileDescriptor file,
MessageDescriptor parent, int index, string propertyName)
: base(file, file.ComputeFullName(parent, proto.Name), index)
{
this.proto = proto;
if (proto.Type != 0)
{
fieldType = GetFieldTypeFromProtoType(proto.Type);
}
if (FieldNumber <= 0)
{
throw new DescriptorValidationException(this, "Field numbers must be positive integers.");
}
containingType = parent;
// OneofIndex "defaults" to -1 due to a hack in FieldDescriptor.OnConstruction.
if (proto.OneofIndex != -1)
{
if (proto.OneofIndex < 0 || proto.OneofIndex >= parent.Proto.OneofDecl.Count)
{
throw new DescriptorValidationException(this,
$"FieldDescriptorProto.oneof_index is out of range for type {parent.Name}");
}
containingOneof = parent.Oneofs[proto.OneofIndex];
}
file.DescriptorPool.AddSymbol(this);
// We can't create the accessor until we've cross-linked, unfortunately, as we
// may not know whether the type of the field is a map or not. Remember the property name
// for later.
// We could trust the generated code and check whether the type of the property is
// a MapField, but that feels a tad nasty.
this.propertyName = propertyName;
}
public void OneofDescriptor()
{
OneofDescriptor descriptor = TestAllTypes.Descriptor.FindDescriptor <OneofDescriptor>("oneof_field");
Assert.IsFalse(descriptor.IsSynthetic);
Assert.AreEqual("oneof_field", descriptor.Name);
Assert.AreEqual("protobuf_unittest3.TestAllTypes.oneof_field", descriptor.FullName);
var expectedFields = new[] {
TestAllTypes.OneofBytesFieldNumber,
TestAllTypes.OneofNestedMessageFieldNumber,
TestAllTypes.OneofStringFieldNumber,
TestAllTypes.OneofUint32FieldNumber
}
.Select(fieldNumber => TestAllTypes.Descriptor.FindFieldByNumber(fieldNumber))
.ToList();
foreach (var field in expectedFields)
{
Assert.AreSame(descriptor, field.ContainingOneof);
}
CollectionAssert.AreEquivalent(expectedFields, descriptor.Fields);
TestDescriptorToProto(descriptor.ToProto, descriptor.Proto);
}
internal static OneofAccessor ForRegularOneof(
OneofDescriptor descriptor,
PropertyInfo caseProperty,
MethodInfo clearMethod) =>
new OneofAccessor(
descriptor,
ReflectionUtil.CreateFuncIMessageInt32(caseProperty.GetGetMethod()),
ReflectionUtil.CreateActionIMessage(clearMethod));
internal static OneofAccessor ForSyntheticOneof(OneofDescriptor descriptor)
{
// Note: descriptor.Fields will be null when this method is called, because we haven't
// cross-linked yet. But by the time the delegates are called by user code, all will be
// well. (That's why we capture the descriptor itself rather than a field.)
return(new OneofAccessor(descriptor,
message => descriptor.Fields[0].Accessor.HasValue(message) ? descriptor.Fields[0].FieldNumber : 0,
message => descriptor.Fields[0].Accessor.Clear(message)));
}
internal OneofAccessor(PropertyInfo caseProperty, MethodInfo clearMethod, OneofDescriptor descriptor)
{
if (!OneofAccessor.smethod_0(caseProperty))
{
throw OneofAccessor.smethod_1(Module.smethod_33 <string>(966859498u));
}
this.descriptor = descriptor;
this.caseDelegate = ReflectionUtil.CreateFuncIMessageT <int>(caseProperty.GetGetMethod());
this.descriptor = descriptor;
this.clearDelegate = ReflectionUtil.CreateActionIMessage(clearMethod);
}
public OneofAccessor(PropertyInfo caseProperty, MethodInfo clearMethod, OneofDescriptor descriptor)
{
if (!caseProperty.CanRead)
{
throw new ArgumentException("Cannot read from property");
}
this.descriptor = descriptor;
caseDelegate = ReflectionUtil.CreateFuncIMessageT <int>(caseProperty.GetGetMethod());
this.descriptor = descriptor;
clearDelegate = ReflectionUtil.CreateActionIMessage(clearMethod);
}
internal OneofAccessor(PropertyInfo caseProperty, MethodInfo clearMethod, OneofDescriptor descriptor)
{
if (!caseProperty.CanRead)
{
throw new ArgumentException("Cannot read from property");
}
this.descriptor = descriptor;
caseDelegate = ReflectionUtil.CreateFuncObjectT<int>(caseProperty.GetGetMethod());
this.descriptor = descriptor;
clearDelegate = ReflectionUtil.CreateActionObject(clearMethod);
}
private OneofAccessor(OneofDescriptor descriptor, Func <IMessage, int> caseDelegate, Action <IMessage> clearDelegate)
{
Descriptor = descriptor;
this.caseDelegate = caseDelegate;
this.clearDelegate = clearDelegate;
}
internal void CrossLink()
{
List <FieldDescriptor> list = new List <FieldDescriptor>();
IEnumerator <FieldDescriptor> enumerator = this.ContainingType.Fields.InDeclarationOrder().GetEnumerator();
try
{
while (true)
{
IL_A4:
uint arg_78_0 = OneofDescriptor.smethod_0(enumerator) ? 645945303u : 1779362706u;
while (true)
{
uint num;
switch ((num = (arg_78_0 ^ 1929289758u)) % 5u)
{
case 0u:
{
FieldDescriptor current;
list.Add(current);
arg_78_0 = (num * 2160487366u ^ 3013554972u);
continue;
}
case 1u:
goto IL_A4;
case 2u:
arg_78_0 = 645945303u;
continue;
case 3u:
{
FieldDescriptor current = enumerator.Current;
arg_78_0 = ((current.ContainingOneof != this) ? 607704728u : 324701640u);
continue;
}
}
goto Block_4;
}
}
Block_4 :;
}
finally
{
if (enumerator != null)
{
while (true)
{
IL_E8 :
uint arg_D0_0 = 327623526u;
while (true)
{
uint num;
switch ((num = (arg_D0_0 ^ 1929289758u)) % 3u)
{
case 1u:
OneofDescriptor.smethod_1(enumerator);
arg_D0_0 = (num * 1913406752u ^ 3932505543u);
continue;
case 2u:
goto IL_E8;
}
goto Block_8;
}
}
Block_8 :;
}
}
this.fields = new ReadOnlyCollection <FieldDescriptor>(list);
}
internal FieldDescriptor(FieldDescriptorProto proto, FileDescriptor file, MessageDescriptor parent, int index, string propertyName) : base(file, file.ComputeFullName(parent, proto.Name), index)
{
while (true)
{
IL_192:
uint arg_155_0 = 668326049u;
while (true)
{
uint num;
switch ((num = (arg_155_0 ^ 1907900556u)) % 12u)
{
case 0u:
this.containingOneof = parent.Oneofs[proto.OneofIndex];
arg_155_0 = 951252349u;
continue;
case 2u:
goto IL_192;
case 3u:
arg_155_0 = (((proto.OneofIndex != -1) ? 3178787542u : 4269045895u) ^ num * 287148678u);
continue;
case 4u:
arg_155_0 = (((proto.OneofIndex < 0) ? 830153714u : 1120517676u) ^ num * 2667568972u);
continue;
case 5u:
this.proto = proto;
arg_155_0 = (((proto.Type == (FieldDescriptorProto.Types.Type) 0) ? 1249293554u : 878441721u) ^ num * 64997452u);
continue;
case 6u:
arg_155_0 = ((this.FieldNumber > 0) ? 416220771u : 1243880467u);
continue;
case 7u:
goto IL_199;
case 8u:
arg_155_0 = (((proto.OneofIndex < parent.Proto.OneofDecl.Count) ? 3890232560u : 2326943442u) ^ num * 1872585197u);
continue;
case 9u:
this.fieldType = FieldDescriptor.GetFieldTypeFromProtoType(proto.Type);
arg_155_0 = (num * 2182631442u ^ 3138733388u);
continue;
case 10u:
goto IL_1AA;
case 11u:
this.containingType = parent;
arg_155_0 = 1386389043u;
continue;
}
goto Block_6;
}
}
Block_6:
goto IL_1CF;
IL_199:
throw new DescriptorValidationException(this, Module.smethod_33 <string>(1349002182u));
IL_1AA:
throw new DescriptorValidationException(this, FieldDescriptor.smethod_0(Module.smethod_37 <string>(3181016348u), new object[]
{
parent.Name
}));
IL_1CF:
file.DescriptorPool.AddSymbol(this);
this.propertyName = propertyName;
}
