private static FieldSetting <T> CreatePackedArray <InternalT>(int fieldNum, WireType wireType, Func <T, IEnumerable <InternalT> > valueGetter, Action <T, InternalT> oneValueSetter,
Action <T, BasicDeserializer> altReadActionWithoutTag, Func <T, bool> hasValueFunc,
Action <BasicSerializer, InternalT> oneValueWriter, Func <BasicDeserializer, InternalT> oneValueReader,
bool canReadUnpacked)
{
CheckFieldNum(fieldNum);
return(new FieldSetting <T>(fieldNum, WireFormat.MakeTag(fieldNum, WireType.LengthDelimited),
(value, serializer, rt) =>
{
serializer.WriteRawTag(rt);
using (MemoryStream ms = new MemoryStream())
{
BasicSerializer bs = new BasicSerializer(ms);
foreach (var item in valueGetter(value))
{
oneValueWriter(bs, item);
}
;
ms.Flush();
var len = (int)ms.Position;
serializer.WriteLength(len);
ArraySegment <byte> buff;
if (ms.TryGetBuffer(out buff))
{
serializer.stream.Write(buff.Array, 0, len);
}
else
{
throw new InvalidOperationException($"Unable to get buffer from {nameof(ms)}");
}
}
},
(value, serializer) =>
{
var len = serializer.ReadLength();
var positionLimit = serializer.stream.Position + len;
while (serializer.stream.Position < positionLimit)
{
oneValueSetter(value, oneValueReader(serializer));
}
if (serializer.stream.Position > positionLimit)
{
throw InvalidProtocolBufferException.AllowableFieldLengthWasExceeded();
}
},
hasValueFunc,
canReadUnpacked ? WireFormat.MakeTag(fieldNum, wireType) : 0,
canReadUnpacked ? altReadActionWithoutTag : null));
}
private static FieldSetting <T> CreateArray <InternalT>(int fieldNum, WireType wireType, Func <T, IEnumerable <InternalT> > valueGetter, Action <T, InternalT> oneValueSetter,
Action <T, BasicDeserializer> readActionWithoutTag, Func <T, bool> hasValueFunc,
Action <BasicSerializer, InternalT> oneValueWriter, Func <BasicDeserializer, InternalT> oneValueReader,
bool canReadPacked)
{
CheckFieldNum(fieldNum);
return(new FieldSetting <T>(fieldNum, WireFormat.MakeTag(fieldNum, wireType),
(value, serializer, rt) =>
{
foreach (var item in valueGetter(value))
{
serializer.WriteRawTag(rt);
oneValueWriter(serializer, item);
}
;
},
readActionWithoutTag,
hasValueFunc,
canReadPacked ? WireFormat.MakeTag(fieldNum, WireType.LengthDelimited) : 0,
canReadPacked ? (value, serializer) =>
{
var len = serializer.ReadLength();
var positionLimit = serializer.stream.Position + len;
while (serializer.stream.Position < positionLimit)
{
oneValueSetter(value, oneValueReader(serializer));
}
if (serializer.stream.Position > positionLimit)
{
throw InvalidProtocolBufferException.AllowableFieldLengthWasExceeded();
}
} : (Action <T, BasicDeserializer>)null));
}