public FieldMetaData(EncodingOptions options)
{
Options = options;
Name = new String();
Description = new LocalizedText();
Flags = new DataSetFieldFlags(options);
Type = BuiltinType.ExtensionObject;
ValueRank = -1;
MaxStringLength = 0;
}
public static FieldMetaData Decode(Stream inputStream, EncodingOptions options)
{
FieldMetaData instance = new FieldMetaData(options);
// 1. Name
instance.Name = String.Decode(inputStream);
// 2. Description
instance.Description = LocalizedText.Decode(inputStream);
// 3. Field Flags
instance.Flags = DataSetFieldFlags.Decode(inputStream, options);
// 4. Built-in Type
instance.Type = (BuiltinType)inputStream.ReadByte();
// 5. DataType
instance.DataType = NodeID.Decode(inputStream);
// 6. Value Rank
int?valueRank = BaseType.ReadInt32(inputStream);
if (valueRank.HasValue)
{
instance.ValueRank = valueRank.Value;
}
// 7. Array Dimension
instance.ArrayDimension = SimpleArray <uint> .Decode(inputStream, BaseType.ReadUInt32);
// 8. Size
uint?readUInt32 = BaseType.ReadUInt32(inputStream);
if (readUInt32 != null)
{
instance.MaxStringLength = readUInt32.Value;
}
// 9. Field ID
byte[] guidAsByte = Common.ReadBytes(inputStream, 16);
if (guidAsByte != null && guidAsByte.Length == 16)
{
instance.FieldID = new Guid(guidAsByte);
}
// 10. Properties
instance.Properties = ParseProperties(inputStream);
return(instance);
}
public new static DataSetFieldFlags Decode(Stream inputStream, EncodingOptions options)
{
DataSetFieldFlags instance = new DataSetFieldFlags(options);
if (options.LegacyFieldFlagEncoding)
{
inputStream.Position += 4;
instance.Value = new[] { (byte)inputStream.ReadByte() };
inputStream.Position += 4;
instance.ValidBits = new[] { (byte)inputStream.ReadByte() };
return(instance);
}
instance.Value = new[] { (byte)inputStream.ReadByte() };
instance.ValidBits = new[] { (byte)inputStream.ReadByte() };
return(instance);
}
