public static ClockValues Decode2(byte[] bytes, int startindex)
{
byte datatype = bytes[startindex];
startindex++;
int index;
index = startindex + Varint.Read(bytes, startindex, out int tsLen);//时标段;
TimeDecoder tdec = (TimeDecoder)DecoderFactory.Get(DataTypeEnum.DateTime);
tdec.SetBytes(bytes, index, tsLen);
index = index + tsLen;
index = index + Varint.Read(bytes, index, out int vsLen);//数值段;
IDecoder vdec = DecoderFactory.Get(datatype);
vdec.SetBytes(bytes, index, vsLen);
index = index + vsLen;
index = index + Varint.Read(bytes, index, out int qsLen);//质量段;
IntegerDecoder qdec = (IntegerDecoder)DecoderFactory.Get(DataTypeEnum.Integer);
qdec.SetBytes(bytes, index, qsLen);
ClockValues result = new ClockValues();
if (datatype == DataTypeEnum.Double)
{
FloatDecoder decoder = (FloatDecoder)vdec;
while (tdec.Next() && vdec.Next() && qdec.Next())
{
result.Append(decoder.Create(tdec.Read(), decoder.Read(), (int)qdec.Read()));
}
}
else if (datatype == DataTypeEnum.Boolean)
{
BooleanDecoder decoder = (BooleanDecoder)vdec;
while (tdec.Next() && vdec.Next() && qdec.Next())
{
result.Append(decoder.Create(tdec.Read(), decoder.Read(), (int)qdec.Read()));
}
}
else if (datatype == DataTypeEnum.Integer)
{
IntegerDecoder decoder = (IntegerDecoder)vdec;
while (tdec.Next() && vdec.Next() && qdec.Next())
{
result.Append(decoder.Create(tdec.Read(), decoder.Read(), (int)qdec.Read()));
}
}
else if (datatype == DataTypeEnum.String)
{
StringDecoder decoder = (StringDecoder)vdec;
while (tdec.Next() && vdec.Next() && qdec.Next())
{
result.Append(decoder.Create(tdec.Read(), decoder.Read(), (int)qdec.Read()));
}
}
DecoderFactory.Put(DataTypeEnum.DateTime, tdec);
DecoderFactory.Put(DataTypeEnum.Integer, qdec);
DecoderFactory.Put(datatype, vdec);
return(result);
}
// BlockCount returns the number of timestamps encoded in block.
public static int BlockCount(byte[] bytes)
{
int tsLen, index;
index = 1 + Varint.Read(bytes, 1, out tsLen);
return(TimeDecoder.CountTimestamps(bytes, index, tsLen));
}