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#pragma once
#include "public.h"
#include "token.h"
#include "consumer.h"
#include <util/generic/noncopyable.h>
class IOutputStream;
class IZeroCopyInput;
namespace NYson {
////////////////////////////////////////////////////////////////////////////////
class TYsonWriter
: public TYsonConsumerBase,
private TNonCopyable {
public:
class TState {
private:
int Depth;
bool BeforeFirstItem;
friend class TYsonWriter;
};
public:
TYsonWriter(
IOutputStream* stream,
EYsonFormat format = EYsonFormat::Binary,
EYsonType type = ::NYson::EYsonType::Node,
bool enableRaw = false);
void OnStringScalar(TStringBuf value) override;
void OnInt64Scalar(i64 value) override;
void OnUint64Scalar(ui64 value) override;
void OnDoubleScalar(double value) override;
void OnBooleanScalar(bool value) override;
void OnEntity() override;
void OnBeginList() override;
void OnListItem() override;
void OnEndList() override;
void OnBeginMap() override;
void OnKeyedItem(TStringBuf key) override;
void OnEndMap() override;
void OnBeginAttributes() override;
void OnEndAttributes() override;
void OnRaw(TStringBuf yson, EYsonType type = ::NYson::EYsonType::Node) override;
TState State() const;
void Reset(const TState& state);
protected:
IOutputStream* Stream;
EYsonFormat Format;
EYsonType Type;
bool EnableRaw;
int Depth;
bool BeforeFirstItem;
static const int IndentSize = 4;
void WriteIndent();
void WriteStringScalar(const TStringBuf& value);
void BeginCollection(ETokenType beginToken);
void CollectionItem(ETokenType separatorToken);
void EndCollection(ETokenType endToken);
bool IsTopLevelFragmentContext() const;
void EndNode();
};
////////////////////////////////////////////////////////////////////////////////
void ReformatYsonStream(
IInputStream* input,
IOutputStream* output,
EYsonFormat format = EYsonFormat::Binary,
EYsonType type = ::NYson::EYsonType::Node);
////////////////////////////////////////////////////////////////////////////////
} // namespace NYson
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