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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 "utf8stringfieldsearcherbase.h"
namespace vsm {
/**
* This class does utf8 searches based on the query term type.
* It will choose between regular search strategy (including prefix) and substring search strategy.
**/
class UTF8FlexibleStringFieldSearcher : public UTF8StringFieldSearcherBase
{
private:
/**
* Tries to match the given query term against the content of the given field reference.
* Search strategy is chosen based on the query term type.
**/
size_t matchTerm(const FieldRef & f, search::streaming::QueryTerm & qt) override;
/**
* Tries to match each query term in the underlying query against the content of the given field reference.
* Search strategy is chosen based on the query term type.
**/
size_t matchTerms(const FieldRef & f, size_t shortestTerm) override;
size_t match_regexp(const FieldRef & f, search::streaming::QueryTerm & qt);
size_t match_fuzzy(const FieldRef & f, search::streaming::QueryTerm & qt);
public:
std::unique_ptr<FieldSearcher> duplicate() const override;
explicit UTF8FlexibleStringFieldSearcher(FieldIdT fId);
};
}
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