private Variant ReadVariantBody()

in src/Azure.IIoT.OpcUa/src/Encoders/JsonDecoderEx.cs [1525:1627]
98 lines of code
35 McCabe index (conditional complexity)

        private Variant ReadVariantBody(string? property, BuiltInType type)
        {
            if (!TryGetToken(property, out var token))
            {
                return Variant.Null;
            }
            if (token is JArray jarray)
            {
                // Check array dimensions
                var dimensions = GetDimensions(jarray, out _);
                if (dimensions.Length > 1)
                {
                    return ReadVariantMatrixBody(jarray, dimensions, type);
                }
                // Read body as array
                return ReadVariantArrayBody(property, type);
            }

            if ((token.Type == JTokenType.Bytes || token.Type == JTokenType.String) &&
                (type == BuiltInType.Byte || type == BuiltInType.SByte))
            {
                // Read body as array
                return ReadVariantArrayBody(property, type);
            }

            switch (type)
            {
                case BuiltInType.Boolean:
                    return new Variant(ReadBoolean(property),
                        TypeInfo.Scalars.Boolean);
                case BuiltInType.SByte:
                    return new Variant(ReadSByte(property),
                        TypeInfo.Scalars.SByte);
                case BuiltInType.Byte:
                    return new Variant(ReadByte(property),
                        TypeInfo.Scalars.Byte);
                case BuiltInType.Int16:
                    return new Variant(ReadInt16(property),
                        TypeInfo.Scalars.Int16);
                case BuiltInType.UInt16:
                    return new Variant(ReadUInt16(property),
                        TypeInfo.Scalars.UInt16);
                case BuiltInType.Enumeration:
                case BuiltInType.Int32:
                    return new Variant(ReadInt32(property),
                        TypeInfo.Scalars.Int32);
                case BuiltInType.UInt32:
                    return new Variant(ReadUInt32(property),
                        TypeInfo.Scalars.UInt32);
                case BuiltInType.Int64:
                    return new Variant(ReadInt64(property),
                        TypeInfo.Scalars.Int64);
                case BuiltInType.UInt64:
                    return new Variant(ReadUInt64(property),
                        TypeInfo.Scalars.UInt64);
                case BuiltInType.Float:
                    return new Variant(ReadFloat(property),
                        TypeInfo.Scalars.Float);
                case BuiltInType.Double:
                    return new Variant(ReadDouble(property),
                        TypeInfo.Scalars.Double);
                case BuiltInType.String:
                    return new Variant(ReadString(property),
                        TypeInfo.Scalars.String);
                case BuiltInType.ByteString:
                    return new Variant(ReadByteString(property),
                        TypeInfo.Scalars.ByteString);
                case BuiltInType.DateTime:
                    return new Variant(ReadDateTime(property),
                        TypeInfo.Scalars.DateTime);
                case BuiltInType.Guid:
                    return new Variant(ReadGuid(property),
                        TypeInfo.Scalars.Guid);
                case BuiltInType.NodeId:
                    return new Variant(ReadNodeId(property),
                        TypeInfo.Scalars.NodeId);
                case BuiltInType.ExpandedNodeId:
                    return new Variant(ReadExpandedNodeId(property),
                        TypeInfo.Scalars.ExpandedNodeId);
                case BuiltInType.QualifiedName:
                    return new Variant(ReadQualifiedName(property),
                        TypeInfo.Scalars.QualifiedName);
                case BuiltInType.LocalizedText:
                    return new Variant(ReadLocalizedText(property),
                        TypeInfo.Scalars.LocalizedText);
                case BuiltInType.StatusCode:
                    return new Variant(ReadStatusCode(property),
                        TypeInfo.Scalars.StatusCode);
                case BuiltInType.XmlElement:
                    return new Variant(ReadXmlElement(property),
                        TypeInfo.Scalars.XmlElement);
                case BuiltInType.ExtensionObject:
                    return new Variant(ReadExtensionObject(property),
                        TypeInfo.Scalars.ExtensionObject);
                case BuiltInType.Number:
                case BuiltInType.UInteger:
                case BuiltInType.Integer:
                case BuiltInType.Variant:
                    return ReadVariant(property);
                default:
                    return Variant.Null;
            }
        }