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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <vespa/document/annotation/span.h>
#include <vespa/document/serialization/util.h>
#include <vector>
namespace vespalib {
class nbostream;
}
namespace document {
class AlternateSpanList;
class Annotation;
class FixedTypeRepo;
class SpanList;
class SpanTree;
class SimpleSpanList;
class AnnotationDeserializer {
public:
AnnotationDeserializer(const FixedTypeRepo &repo, vespalib::nbostream &stream, uint16_t version);
std::unique_ptr<SpanTree> readSpanTree();
std::unique_ptr<SpanNode> readSpanNode();
// returns 0 if the annotation type is unknown.
std::unique_ptr<AlternateSpanList> readAlternateSpanList();
void readAnnotation(Annotation & annotation);
private:
std::unique_ptr<SpanList> readSpanList();
std::unique_ptr<SimpleSpanList> readSimpleSpanList();
void readSpan(Span & span) {
span.from(getInt1_2_4Bytes(_stream));
span.length(getInt1_2_4Bytes(_stream));
}
const FixedTypeRepo &_repo;
vespalib::nbostream &_stream;
uint16_t _version;
std::vector<SpanNode *> _nodes;
};
} // namespace document
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