Method Read

csharp/src/Fory/Serializer.cs:99–146

Reads ref metadata and optional type metadata, then delegates to . Read context. Ref handling mode. Whether type metadata should be read. Decoded value.

(ReadContext context, RefMode refMode, bool readTypeInfo)

    /// <param name="readTypeInfo">Whether type metadata should be read.</param>
    /// <returns>Decoded value.</returns>
    public virtual T Read(ReadContext context, RefMode refMode, bool readTypeInfo)
    {
        if (refMode != RefMode.None)
        {
            RefFlag flag = context.RefReader.ReadRefFlag(context.Reader);
            switch (flag)
            {
                case RefFlag.Null:
                    return DefaultValue;
                case RefFlag.Ref:
                    {
                        uint refId = context.RefReader.ReadRefId(context.Reader);
                        return context.RefReader.GetRef<T>(refId);
                    }
                case RefFlag.RefValue:
                    {
                        uint reservedRefId = context.RefReader.ReserveRefId();
                        context.SetReservedRefId(reservedRefId);
                        try
                        {
                            if (readTypeInfo)
                            {
                                context.TypeResolver.ReadTypeInfo(this, context);
                            }

                            T value = ReadData(context);
                            context.StoreRef(value);
                            return value;
                        }
                        finally
                        {
                            context.ClearReservedRefId();
                        }
                    }
                case RefFlag.NotNullValue:
                    break;
                default:
                    throw new RefException($"invalid ref flag {(sbyte)flag}");
            }
        }

        if (readTypeInfo)
        {
            context.TypeResolver.ReadTypeInfo(this, context);
        }

        return ReadData(context);
    }
}