/// <summary>
/// Add a new position & payload </summary>
public override void AddPosition(int position, BytesRef payload, int startOffset, int endOffset)
{
// if (DEBUG) {
// System.out.println("FPW.addPosition pos=" + position + " posBufferUpto=" + posBufferUpto + (fieldHasPayloads ? " payloadByteUpto=" + payloadByteUpto: ""));
// }
PosDeltaBuffer[PosBufferUpto] = position - LastPosition;
if (FieldHasPayloads)
{
if (payload == null || payload.Length == 0)
{
// no payload
PayloadLengthBuffer[PosBufferUpto] = 0;
}
else
{
PayloadLengthBuffer[PosBufferUpto] = payload.Length;
if (PayloadByteUpto + payload.Length > PayloadBytes.Length)
{
PayloadBytes = ArrayUtil.Grow(PayloadBytes, PayloadByteUpto + payload.Length);
}
Array.Copy(payload.Bytes, payload.Offset, PayloadBytes, PayloadByteUpto, payload.Length);
PayloadByteUpto += payload.Length;
}
}
if (FieldHasOffsets)
{
Debug.Assert(startOffset >= LastStartOffset);
Debug.Assert(endOffset >= startOffset);
OffsetStartDeltaBuffer[PosBufferUpto] = startOffset - LastStartOffset;
OffsetLengthBuffer[PosBufferUpto] = endOffset - startOffset;
LastStartOffset = startOffset;
}
PosBufferUpto++;
LastPosition = position;
if (PosBufferUpto == Lucene41PostingsFormat.BLOCK_SIZE)
{
// if (DEBUG) {
// System.out.println(" write pos bulk block @ fp=" + posOut.getFilePointer());
// }
ForUtil.WriteBlock(PosDeltaBuffer, Encoded, PosOut);
if (FieldHasPayloads)
{
ForUtil.WriteBlock(PayloadLengthBuffer, Encoded, PayOut);
PayOut.WriteVInt(PayloadByteUpto);
PayOut.WriteBytes(PayloadBytes, 0, PayloadByteUpto);
PayloadByteUpto = 0;
}
if (FieldHasOffsets)
{
ForUtil.WriteBlock(OffsetStartDeltaBuffer, Encoded, PayOut);
ForUtil.WriteBlock(OffsetLengthBuffer, Encoded, PayOut);
}
PosBufferUpto = 0;
}
}
public bool MoveNext()
{
if (!counts.MoveNext())
{
return(false);
}
int count = (int)counts.Current;
int maxSize = count * 9; // worst case
if (maxSize > buffer.Length)
{
buffer = ArrayUtil.Grow(buffer, maxSize);
}
EncodeValues(count);
_current.Bytes = buffer;
_current.Offset = 0;
_current.Length = @out.Position;
return(true);
}