void WriteBody(Element elem)
{
Writer.Write(elem.Count);
foreach (var attr in elem)
{
StringDict.WriteString(attr.Key);
var attr_type = attr.Value == null ? typeof(Element) : attr.Value.GetType();
Writer.Write(TypeToId(attr_type, EncodingVersion));
if (attr.Value == null || !Datamodel.IsDatamodelArrayType(attr.Value.GetType()))
{
WriteAttribute(attr.Value, false);
}
else
{
var array = (System.Collections.IList)attr.Value;
Writer.Write(array.Count);
attr_type = Datamodel.GetArrayInnerType(array.GetType());
foreach (var item in array)
{
WriteAttribute(item, true);
}
}
}
}
static byte TypeToId(Type type, int version)
{
bool array = Datamodel.IsDatamodelArrayType(type);
var search_type = array ? Datamodel.GetArrayInnerType(type) : type;
if (array && search_type == typeof(byte) && !SupportedAttributes[version].Contains(typeof(byte)))
{
search_type = typeof(byte[]); // Recent version of DMX support both "binary" and "uint8_array" attributes. These are the same thing!
array = false;
}
var type_list = SupportedAttributes[version];
byte i = 0;
foreach (var list_type in type_list)
{
if (list_type == search_type)
{
break;
}
else
{
i++;
}
}
if (i == type_list.Length)
{
throw new CodecException(String.Format("\"{0}\" is not supported in encoding binary {1}", type.Name, version));
}
if (array)
{
i += (byte)(type_list.Length * (version >= 9 ? 2 : 1));
}
return(++i);
}
object DecodeAttribute(Datamodel dm, bool prefix)
{
var type = IdToType(Reader.ReadByte());
if (!Datamodel.IsDatamodelArrayType(type))
{
return(ReadValue(dm, type, EncodingVersion < 4 || prefix));
}
else
{
var count = Reader.ReadInt32();
var inner_type = Datamodel.GetArrayInnerType(type);
var array = CodecUtilities.MakeList(inner_type, count);
foreach (var x in Enumerable.Range(0, count))
{
array.Add(ReadValue(dm, inner_type, true));
}
return(array);
}
}
void SkipAttribte()
{
var type = IdToType(Reader.ReadByte());
int count = 1;
bool array = false;
if (Datamodel.IsDatamodelArrayType(type))
{
array = true;
count = Reader.ReadInt32();
type = Datamodel.GetArrayInnerType(type);
}
if (type == typeof(Element))
{
foreach (int i in Enumerable.Range(0, count))
{
if (Reader.ReadInt32() == -2)
{
Reader.BaseStream.Seek(37, SeekOrigin.Current); // skip GUID + null terminator if a stub
}
}
return;
}
int length;
if (type == typeof(TimeSpan))
{
length = sizeof(int);
}
else if (type == typeof(System.Drawing.Color))
{
length = 4;
}
else if (type == typeof(bool))
{
length = 1;
}
else if (type == typeof(byte[]))
{
foreach (var i in Enumerable.Range(0, count))
{
Reader.BaseStream.Seek(Reader.ReadInt32(), SeekOrigin.Current);
}
return;
}
else if (type == typeof(string))
{
if (!StringDict.Dummy && !array && EncodingVersion >= 4)
{
length = StringDict.IndiceSize;
}
else
{
foreach (var i in Enumerable.Range(0, count))
{
byte b;
do
{
b = Reader.ReadByte();
} while (b != 0);
}
return;
}
}
else if (type == typeof(Vector2))
{
length = sizeof(float) * 2;
}
else if (type == typeof(Vector3))
{
length = sizeof(float) * 3;
}
else if (type == typeof(Vector4) || type == typeof(Quaternion))
{
length = sizeof(float) * 4;
}
else if (type == typeof(Matrix4x4))
{
length = sizeof(float) * 4 * 4;
}
else
{
length = System.Runtime.InteropServices.Marshal.SizeOf(type);
}
Reader.BaseStream.Seek(length * count, SeekOrigin.Current);
}