/// <summary>
/// Gets an object from the data.
/// </summary>
/// <returns></returns>
SType GetObject()
{
SType sObject = null;
var type = m_reader.ReadByte();
var checkType = (StreamType)(type & ~(byte)StreamType.SharedFlag);
var shared = Convert.ToBoolean(type & (byte)StreamType.SharedFlag);
switch (checkType)
{
case 0:
case StreamType.StreamStart:
break;
case StreamType.Marker:
break;
case StreamType.None:
sObject = new SNoneType();
break;
case StreamType.Utf8:
sObject = new SStringType(m_reader.ReadUtf8String(m_reader.ReadLength()));
break;
case StreamType.String:
case StreamType.StringLong:
sObject = new SStringType(m_reader.ReadString(m_reader.ReadLength()));
break;
case StreamType.StringGlobal:
sObject = new SStringType(m_reader.ReadString(m_reader.ReadLength()));
CheckShared(shared, sObject);
break;
case StreamType.StringUnicode:
sObject = new SStringType(m_reader.ReadUnicodeString(m_reader.ReadLength() * 2));
break;
case StreamType.Long:
sObject = new SLongType(m_reader.ReadLong());
break;
case StreamType.Int:
sObject = new SIntType(m_reader.ReadInt());
break;
case StreamType.Short:
sObject = new SShortType(m_reader.ReadShort());
break;
case StreamType.Byte:
sObject = new SByteType(m_reader.ReadByte());
break;
case StreamType.IntNegOne:
sObject = new SIntType(-1);
break;
case StreamType.IntZero:
sObject = new SIntType(0);
break;
case StreamType.IntOne:
sObject = new SIntType(1);
break;
case StreamType.Double:
sObject = new SDoubleType(m_reader.ReadDouble());
break;
case StreamType.DoubleZero:
sObject = new SDoubleType(0);
break;
case StreamType.StringEmpty:
sObject = new SStringType(null);
break;
case StreamType.StringOne:
sObject = new SStringType(m_reader.ReadString(1));
break;
case StreamType.StringRef:
var id = m_reader.ReadByte();
sObject = new SReferenceType(id, StringsTable.GetStringByID(id));
break;
case StreamType.StringIdent:
sObject = new SIdentType(m_reader.ReadString(m_reader.ReadLength()));
CheckShared(shared, sObject);
break;
case StreamType.Tuple:
{
var length = m_reader.ReadLength();
sObject = new STupleType((uint)length);
CheckShared(shared, sObject);
Parse(sObject, length);
break;
}
case StreamType.List:
{
var length = m_reader.ReadLength();
sObject = new SListType((uint)length);
CheckShared(shared, sObject);
Parse(sObject, length);
break;
}
case StreamType.Dict:
{
var length = (m_reader.ReadLength() * 2);
sObject = new SDictType((uint)length);
CheckShared(shared, sObject);
Parse(sObject, length);
break;
}
case StreamType.SharedObj:
sObject = m_reader.GetSharedObj(m_reader.ReadLength() - 1);
break;
case StreamType.Checksum:
sObject = new SStringType("checksum");
m_reader.ReadInt();
break;
case StreamType.BoolTrue:
sObject = new SBooleanType(1);
break;
case StreamType.BoolFalse:
sObject = new SBooleanType(0);
break;
case StreamType.ClassObject:
case StreamType.NewObj:
case StreamType.Object:
{
var storedId = m_reader.ReserveSlot(shared);
sObject = ParseObject();
m_reader.UpdateSlot(storedId, sObject);
}
break;
case StreamType.TupleEmpty:
sObject = new STupleType(0);
break;
case StreamType.TupleOne:
sObject = new STupleType(1);
CheckShared(shared, sObject);
Parse(sObject);
break;
case StreamType.ListEmpty:
sObject = new SListType(0);
CheckShared(shared, sObject);
break;
case StreamType.ListOne:
sObject = new SListType(1);
CheckShared(shared, sObject);
Parse(sObject);
break;
case StreamType.StringUnicodeEmpty:
sObject = new SStringType(String.Empty);
break;
case StreamType.StringUnicodeOne:
sObject = new SStringType(m_reader.ReadString(2));
break;
case StreamType.CompressedDBRow:
sObject = ParseDBRow();
break;
case StreamType.SubStream:
sObject = ParseSubStream();
CheckShared(shared, sObject);
break;
case StreamType.TupleTwo:
sObject = new STupleType(2);
CheckShared(shared, sObject);
Parse(sObject, 2);
break;
case StreamType.BigInt:
sObject = new SLongType(m_reader.ReadBigInt());
CheckShared(shared, sObject);
break;
default:
throw new ParserException(
String.Format(CultureInfo.InvariantCulture,
"Can't identify type {0:x2} at position {1:x2} [{1}] and length {2}",
type, m_reader.Position, m_reader.Length));
}
if (sObject == null && type != (byte)StreamType.Marker)
{
throw new ParserException("An object could not be created");
}
return(sObject);
}
