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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "queryterm.h"
#include <vespa/vespalib/objects/visit.h>
#include <cmath>
namespace {
class CharInfo {
public:
CharInfo();
uint8_t get(uint8_t c) const { return _charInfo[c]; }
private:
uint8_t _charInfo[256];
};
CharInfo::CharInfo()
{
// XXX: Should refactor to reduce number of magic constants.
memset(_charInfo, 0x01, 128); // All 7 bits are ascii7bit
memset(_charInfo+128, 0x00, 128); // The rest are not.
memset(_charInfo + static_cast<uint8_t>('0'), 0x07, 10);
_charInfo[uint8_t('-')] = 0x07;
_charInfo[uint8_t('<')] = 0x07;
_charInfo[uint8_t('>')] = 0x07;
_charInfo[uint8_t(';')] = 0x07;
_charInfo[uint8_t('[')] = 0x07;
_charInfo[uint8_t(']')] = 0x07;
_charInfo[uint8_t('.')] = 0x05;
_charInfo[uint8_t('+')] = 0x05;
_charInfo[uint8_t('e')] = 0x05;
_charInfo[uint8_t('E')] = 0x05;
}
static CharInfo _G_charTable;
}
namespace search::streaming {
QueryTerm::~QueryTerm() = default;
void
QueryTerm::visitMembers(vespalib::ObjectVisitor & visitor) const
{
QueryTermUCS4::visitMembers(visitor);
visit(visitor, "encoding.isBase10Integer", _encoding.isBase10Integer());
visit(visitor, "encoding.isFloat", _encoding.isFloat());
visit(visitor, "encoding.isAscii7Bit", _encoding.isAscii7Bit());
visit(visitor, "index", _index);
visit(visitor, "weight", _weight.percent());
visit(visitor, "uniqueid", _uniqueId);
}
QueryTerm::QueryTerm(std::unique_ptr<QueryNodeResultBase> org, const string & termS, const string & indexS, Type type) :
QueryTermUCS4(termS, type),
_index(indexS),
_encoding(0x01),
_result(org.release()),
_hitList(),
_weight(100),
_uniqueId(0),
_fieldInfo()
{
if (!termS.empty()) {
uint8_t enc(0xff);
for (size_t i(0), m(termS.size()); i < m; i++) {
enc &= _G_charTable.get(termS[i]);
}
_encoding = enc;
}
}
void QueryTerm::getPhrases(QueryNodeRefList & tl) { (void) tl; }
void QueryTerm::getPhrases(ConstQueryNodeRefList & tl) const { (void) tl; }
void QueryTerm::getLeafs(QueryTermList & tl) { tl.push_back(this); }
void QueryTerm::getLeafs(ConstQueryTermList & tl) const { tl.push_back(this); }
bool QueryTerm::evaluate() const { return !_hitList.empty(); }
void QueryTerm::reset() { _hitList.clear(); }
const HitList & QueryTerm::evaluateHits(HitList &) const { return _hitList; }
void QueryTerm::resizeFieldId(size_t fieldNo)
{
if (fieldNo >= _fieldInfo.size()) {
_fieldInfo.resize(std::max(32ul, fieldNo + 1));
}
}
void QueryTerm::add(unsigned pos, unsigned context, uint32_t elemId, int32_t weight_)
{
_hitList.emplace_back(pos, context, elemId, weight_);
}
NearestNeighborQueryNode*
QueryTerm::as_nearest_neighbor_query_node() noexcept
{
return nullptr;
}
}
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