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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "zcpostingiterators.h"
#include <vespa/searchlib/bitcompression/posocccompression.h>
namespace search::diskindex {
struct Zc4PostingParams;
template <bool bigEndian, bool dynamic_k>
class ZcRareWordPosOccIterator : public ZcRareWordPostingIterator<bigEndian, dynamic_k>
{
private:
using ParentClass = ZcRareWordPostingIterator<bigEndian, dynamic_k>;
using ParentClass::_decodeContext;
using DecodeContextReal = std::conditional_t<dynamic_k, bitcompression::EGPosOccDecodeContextCooked<bigEndian>, bitcompression::EG2PosOccDecodeContextCooked<bigEndian>>;
DecodeContextReal _decodeContextReal;
public:
ZcRareWordPosOccIterator(Position start, uint64_t bitLength, uint32_t docIdLimit,
bool decode_normal_features, bool decode_interleaved_features,
bool unpack_normal_features, bool unpack_interleaved_features,
const bitcompression::PosOccFieldsParams *fieldsParams,
fef::TermFieldMatchDataArray matchData);
};
template <bool bigEndian, bool dynamic_k>
class ZcPosOccIterator : public ZcPostingIterator<bigEndian>
{
private:
using ParentClass = ZcPostingIterator<bigEndian>;
using ParentClass::_decodeContext;
using DecodeContext = std::conditional_t<dynamic_k, bitcompression::EGPosOccDecodeContextCooked<bigEndian>, bitcompression::EG2PosOccDecodeContextCooked<bigEndian>>;
DecodeContext _decodeContextReal;
public:
ZcPosOccIterator(Position start, uint64_t bitLength, uint32_t docIdLimit,
bool decode_normal_features, bool decode_interleaved_features,
bool unpack_normal_features, bool unpack_interleaved_features,
uint32_t minChunkDocs, const index::PostingListCounts &counts,
const bitcompression::PosOccFieldsParams *fieldsParams,
fef::TermFieldMatchDataArray matchData);
};
std::unique_ptr<search::queryeval::SearchIterator>
create_zc_posocc_iterator(bool bigEndian, const index::PostingListCounts &counts, bitcompression::Position start, uint64_t bit_length, const Zc4PostingParams &posting_params, const bitcompression::PosOccFieldsParams &fields_params, fef::TermFieldMatchDataArray match_data);
extern template class ZcRareWordPosOccIterator<false, false>;
extern template class ZcRareWordPosOccIterator<false, true>;
extern template class ZcRareWordPosOccIterator<true, false>;
extern template class ZcRareWordPosOccIterator<true, true>;
extern template class ZcPosOccIterator<false, false>;
extern template class ZcPosOccIterator<false, true>;
extern template class ZcPosOccIterator<true, false>;
extern template class ZcPosOccIterator<true, true>;
}
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