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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "summaryfieldconverter.h"
#include "annotation_converter.h"
#include "check_undefined_value_visitor.h"
#include "searchdatatype.h"
#include "slime_filler.h"
#include <vespa/document/fieldvalue/arrayfieldvalue.h>
#include <vespa/document/fieldvalue/boolfieldvalue.h>
#include <vespa/document/fieldvalue/bytefieldvalue.h>
#include <vespa/document/fieldvalue/document.h>
#include <vespa/document/fieldvalue/doublefieldvalue.h>
#include <vespa/document/fieldvalue/floatfieldvalue.h>
#include <vespa/document/fieldvalue/intfieldvalue.h>
#include <vespa/document/fieldvalue/longfieldvalue.h>
#include <vespa/document/fieldvalue/predicatefieldvalue.h>
#include <vespa/document/fieldvalue/rawfieldvalue.h>
#include <vespa/document/fieldvalue/shortfieldvalue.h>
#include <vespa/document/fieldvalue/stringfieldvalue.h>
#include <vespa/document/fieldvalue/weightedsetfieldvalue.h>
#include <vespa/document/fieldvalue/annotationreferencefieldvalue.h>
#include <vespa/document/fieldvalue/tensorfieldvalue.h>
#include <vespa/document/fieldvalue/referencefieldvalue.h>
#include <vespa/vespalib/stllike/asciistream.h>
#include <vespa/vespalib/util/size_literals.h>
#include <vespa/vespalib/data/slime/slime.h>
#include <vespa/vespalib/data/smart_buffer.h>
using document::AnnotationReferenceFieldValue;
using document::ArrayFieldValue;
using document::BoolFieldValue;
using document::ByteFieldValue;
using document::Document;
using document::DoubleFieldValue;
using document::FieldValue;
using document::ConstFieldValueVisitor;
using document::FloatFieldValue;
using document::IntFieldValue;
using document::LongFieldValue;
using document::MapFieldValue;
using document::PredicateFieldValue;
using document::RawFieldValue;
using document::ShortFieldValue;
using document::StringFieldValue;
using document::StructFieldValue;
using document::WeightedSetFieldValue;
using document::TensorFieldValue;
using document::ReferenceFieldValue;
namespace search::docsummary {
namespace {
struct FieldValueConverter {
virtual FieldValue::UP convert(const FieldValue &input) = 0;
virtual ~FieldValueConverter() = default;
};
class SummaryFieldValueConverter : protected ConstFieldValueVisitor
{
vespalib::asciistream _str;
bool _tokenize;
FieldValue::UP _field_value;
FieldValueConverter &_structuredFieldConverter;
template <typename T>
void visitPrimitive(const T &t) {
_field_value.reset(t.clone());
}
void visit(const IntFieldValue &value) override { visitPrimitive(value); }
void visit(const LongFieldValue &value) override { visitPrimitive(value); }
void visit(const ShortFieldValue &value) override { visitPrimitive(value); }
void visit(const BoolFieldValue &value) override { visitPrimitive(value); }
void visit(const ByteFieldValue &value) override {
int8_t signedValue = value.getAsByte();
_field_value = std::make_unique<ShortFieldValue>(signedValue);
}
void visit(const DoubleFieldValue &value) override { visitPrimitive(value); }
void visit(const FloatFieldValue &value) override { visitPrimitive(value); }
void visit(const StringFieldValue &value) override {
if (_tokenize) {
AnnotationConverter converter(value.getValue(), _str);
converter.handleIndexingTerms(value);
} else {
_str << value.getValue();
}
}
void visit(const AnnotationReferenceFieldValue & v ) override {
_field_value = _structuredFieldConverter.convert(v);
}
void visit(const Document & v) override {
_field_value = _structuredFieldConverter.convert(v);
}
void visit(const PredicateFieldValue &value) override {
_str << value.toString();
}
void visit(const RawFieldValue &value) override {
visitPrimitive(value);
}
void visit(const ArrayFieldValue &value) override {
if (value.size() > 0) {
_field_value = _structuredFieldConverter.convert(value);
} // else: implicit empty string
}
void visit(const MapFieldValue & value) override {
if (value.size() > 0) {
_field_value = _structuredFieldConverter.convert(value);
} // else: implicit empty string
}
void visit(const StructFieldValue &value) override {
if (*value.getDataType() == *SearchDataType::URI) {
FieldValue::UP uriAllValue = value.getValue("all");
if (uriAllValue && uriAllValue->isA(FieldValue::Type::STRING)) {
uriAllValue->accept(*this);
return;
}
}
_field_value = _structuredFieldConverter.convert(value);
}
void visit(const WeightedSetFieldValue &value) override {
if (value.size() > 0) {
_field_value = _structuredFieldConverter.convert(value);
} // else: implicit empty string
}
void visit(const TensorFieldValue &value) override {
visitPrimitive(value);
}
void visit(const ReferenceFieldValue& value) override {
if (value.hasValidDocumentId()) {
_str << value.getDocumentId().toString();
} // else: implicit empty string
}
public:
SummaryFieldValueConverter(bool tokenize, FieldValueConverter &subConverter);
~SummaryFieldValueConverter() override;
FieldValue::UP convert(const FieldValue &input) {
input.accept(*this);
if (_field_value.get()) {
return std::move(_field_value);
}
return StringFieldValue::make(_str.str());
}
};
SummaryFieldValueConverter::SummaryFieldValueConverter(bool tokenize, FieldValueConverter &subConverter)
: _str(), _tokenize(tokenize),
_structuredFieldConverter(subConverter)
{}
SummaryFieldValueConverter::~SummaryFieldValueConverter() = default;
using namespace vespalib::slime::convenience;
class SlimeConverter : public FieldValueConverter {
private:
bool _tokenize;
const std::vector<uint32_t>* _matching_elems;
public:
explicit SlimeConverter(bool tokenize)
: _tokenize(tokenize),
_matching_elems()
{}
SlimeConverter(bool tokenize, const std::vector<uint32_t>& matching_elems)
: _tokenize(tokenize),
_matching_elems(&matching_elems)
{}
FieldValue::UP convert(const FieldValue &input) override {
vespalib::Slime slime;
SlimeInserter inserter(slime);
SlimeFiller visitor(inserter, _tokenize, _matching_elems);
input.accept(visitor);
vespalib::SmartBuffer buffer(4_Ki);
vespalib::slime::BinaryFormat::encode(slime, buffer);
vespalib::Memory mem = buffer.obtain();
return std::make_unique<RawFieldValue>(mem.data, mem.size);
}
};
} // namespace
FieldValue::UP
SummaryFieldConverter::convertSummaryField(bool markup,
const FieldValue &value)
{
SlimeConverter subConv(markup);
return SummaryFieldValueConverter(markup, subConv).convert(value);
}
void
SummaryFieldConverter::insert_summary_field(const FieldValue& value, vespalib::slime::Inserter& inserter)
{
CheckUndefinedValueVisitor check_undefined;
value.accept(check_undefined);
if (!check_undefined.is_undefined()) {
SlimeFiller visitor(inserter, false);
value.accept(visitor);
}
}
void
SummaryFieldConverter::insert_summary_field_with_filter(const FieldValue& value, vespalib::slime::Inserter& inserter, const std::vector<uint32_t>& matching_elems)
{
CheckUndefinedValueVisitor check_undefined;
value.accept(check_undefined);
if (!check_undefined.is_undefined()) {
SlimeFiller visitor(inserter, false, &matching_elems);
value.accept(visitor);
}
}
void
SummaryFieldConverter::insert_juniper_field(const document::FieldValue& value, vespalib::slime::Inserter& inserter, bool tokenize, IJuniperConverter& converter)
{
CheckUndefinedValueVisitor check_undefined;
value.accept(check_undefined);
if (!check_undefined.is_undefined()) {
SlimeFiller visitor(inserter, tokenize, converter);
value.accept(visitor);
}
}
}
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