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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 "slime_filler_filter.h"
#include <vespa/document/fieldvalue/fieldvaluevisitor.h>
#include <cstdint>
#include <vector>
namespace document { class FieldValue; }
namespace vespalib::slime { struct Inserter; }
namespace search::docsummary {
class IStringFieldConverter;
/*
* Class inserting a field value into a slime object.
*/
class SlimeFiller : public document::ConstFieldValueVisitor {
vespalib::slime::Inserter& _inserter;
const std::vector<uint32_t>* _matching_elems;
IStringFieldConverter* _string_converter;
SlimeFillerFilter::Iterator _filter;
bool filter_matching_elements() const {
return _matching_elems != nullptr;
}
template <typename Value>
bool empty_or_empty_after_filtering(const Value& value) const {
return (value.isEmpty() || (filter_matching_elements() && (_matching_elems->empty() || _matching_elems->back() >= value.size())));
}
void visit(const document::AnnotationReferenceFieldValue& v) override;
void visit(const document::Document& v) override;
void visit(const document::MapFieldValue& v) override;
void visit(const document::ArrayFieldValue& value) override;
void visit(const document::StringFieldValue& value) override;
void visit(const document::IntFieldValue& value) override;
void visit(const document::LongFieldValue& value) override;
void visit(const document::ShortFieldValue& value) override;
void visit(const document::ByteFieldValue& value) override;
void visit(const document::BoolFieldValue& value) override;
void visit(const document::DoubleFieldValue& value) override;
void visit(const document::FloatFieldValue& value) override;
void visit(const document::PredicateFieldValue& value) override;
void visit(const document::RawFieldValue& value) override;
void visit(const document::StructFieldValue& value) override;
void visit(const document::WeightedSetFieldValue& value) override;
void visit(const document::TensorFieldValue& value) override;
void visit(const document::ReferenceFieldValue& value) override;
public:
SlimeFiller(vespalib::slime::Inserter& inserter);
SlimeFiller(vespalib::slime::Inserter& inserter, const std::vector<uint32_t>* matching_elems);
SlimeFiller(vespalib::slime::Inserter& inserter, IStringFieldConverter* string_converter,
SlimeFillerFilter::Iterator filter);
~SlimeFiller() override;
static void insert_summary_field(const document::FieldValue& value, vespalib::slime::Inserter& inserter, IStringFieldConverter* converter = nullptr);
/**
* Insert the given field value, but only the elements that are contained in the matching_elems vector.
*/
static void insert_summary_field_with_filter(const document::FieldValue& value, vespalib::slime::Inserter& inserter, const std::vector<uint32_t>& matching_elems);
static void insert_summary_field_with_field_filter(const document::FieldValue& value, vespalib::slime::Inserter& inserter, IStringFieldConverter* converter, const SlimeFillerFilter* filter);
static void insert_juniper_field(const document::FieldValue& value, vespalib::slime::Inserter& inserter, IStringFieldConverter& converter);
};
}
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