internal virtual SepDocsAndPositionsEnum Init(FieldInfo fieldInfo, SepTermState termState, Bits liveDocs)
{
_liveDocs = liveDocs;
_storePayloads = fieldInfo.HasPayloads();
// TODO: can't we only do this if consumer skipped consuming the previous docs?
_docIndex.CopyFrom(termState.DOC_INDEX);
_docIndex.Seek(_docReader);
_freqIndex.CopyFrom(termState.FREQ_INDEX);
_freqIndex.Seek(_freqReader);
_posIndex.CopyFrom(termState.POS_INDEX);
_posSeekPending = true;
_payloadPending = false;
_payloadFp = termState.PAYLOAD_FP;
_skipFp = termState.SKIP_FP;
_docFreq = termState.DocFreq;
_count = 0;
_doc = -1;
_accum = 0;
_pendingPosCount = 0;
_pendingPayloadBytes = 0;
_skipped = false;
return(this);
}
internal virtual SepDocsEnum Init(FieldInfo fieldInfo, SepTermState termState, Bits liveDocs)
{
_liveDocs = liveDocs;
if (fieldInfo.FieldIndexOptions.HasValue)
{
_indexOptions = fieldInfo.FieldIndexOptions.Value;
}
_omitTf = _indexOptions == FieldInfo.IndexOptions.DOCS_ONLY;
_storePayloads = fieldInfo.HasPayloads();
// TODO: can't we only do this if consumer
// skipped consuming the previous docs?
_docIndex.CopyFrom(termState.DOC_INDEX);
_docIndex.Seek(_docReader);
if (!_omitTf)
{
_freqIndex.CopyFrom(termState.FREQ_INDEX);
_freqIndex.Seek(_freqReader);
}
_docFreq = termState.DocFreq;
// NOTE: unused if docFreq < skipMinimum:
_skipFp = termState.SKIP_FP;
_count = 0;
_doc = -1;
_accum = 0;
_freq = 1;
_skipped = false;
return(this);
}
public override int NextPosition()
{
if (_posSeekPending)
{
_posIndex.Seek(_posReader);
_payloadIn.Seek(_payloadFp);
_posSeekPending = false;
}
int code;
// scan over any docs that were iterated without their positions
while (_pendingPosCount > _freq)
{
code = _posReader.Next();
if (_storePayloads && (code & 1) != 0)
{
// Payload length has changed
_payloadLength = _posReader.Next();
Debug.Assert(_payloadLength >= 0);
}
_pendingPosCount--;
_position = 0;
_pendingPayloadBytes += _payloadLength;
}
code = _posReader.Next();
if (_storePayloads)
{
if ((code & 1) != 0)
{
// Payload length has changed
_payloadLength = _posReader.Next();
Debug.Assert(_payloadLength >= 0);
}
_position += (int)((uint)code >> 1);
_pendingPayloadBytes += _payloadLength;
_payloadPending = _payloadLength > 0;
}
else
{
_position += code;
}
_pendingPosCount--;
Debug.Assert(_pendingPosCount >= 0);
return(_position);
}