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#pragma once
#include "public.h"
#include "zerocopy_output_writer.h"
#include <util/generic/buffer.h>
#include <util/generic/yexception.h>
#include <util/stream/input.h>
#include <util/stream/output.h>
namespace NSkiff {
////////////////////////////////////////////////////////////////////////////////
class TSkiffException
: public yexception
{ };
////////////////////////////////////////////////////////////////////////////////
template <typename T>
constexpr T EndOfSequenceTag()
{
static_assert(std::is_integral<T>::value && std::is_unsigned<T>::value, "T must be unsigned integer");
return T(-1);
}
////////////////////////////////////////////////////////////////////////////////
struct TInt128
{
ui64 Low = 0;
i64 High = 0;
};
struct TUint128
{
ui64 Low = 0;
ui64 High = 0;
};
bool operator==(TInt128 lhs, TInt128 rhs);
bool operator!=(TInt128 lhs, TInt128 rhs);
bool operator==(TUint128 lhs, TUint128 rhs);
bool operator!=(TUint128 lhs, TUint128 rhs);
////////////////////////////////////////////////////////////////////////////////
struct TInt256
{
std::array<ui64, 4> Parts;
};
struct TUint256
{
std::array<ui64, 4> Parts;
};
// Operator != is synthesized since C++ 20.
bool operator==(const TInt256& lhs, const TInt256& rhs);
bool operator==(const TUint256& lhs, const TUint256& rhs);
////////////////////////////////////////////////////////////////////////////////
class TUncheckedSkiffParser
{
public:
explicit TUncheckedSkiffParser(IZeroCopyInput* stream);
TUncheckedSkiffParser(const std::shared_ptr<TSkiffSchema>& schema, IZeroCopyInput* stream);
i8 ParseInt8();
i16 ParseInt16();
i32 ParseInt32();
i64 ParseInt64();
ui8 ParseUint8();
ui16 ParseUint16();
ui32 ParseUint32();
ui64 ParseUint64();
TInt128 ParseInt128();
TUint128 ParseUint128();
TInt256 ParseInt256();
TUint256 ParseUint256();
double ParseDouble();
bool ParseBoolean();
TStringBuf ParseString32();
TStringBuf ParseYson32();
ui8 ParseVariant8Tag();
ui16 ParseVariant16Tag();
bool HasMoreData();
void ValidateFinished();
ui64 GetReadBytesCount() const;
private:
const void* GetData(size_t size);
const void* GetDataViaBuffer(size_t size);
size_t RemainingBytes() const;
void Advance(size_t size);
void RefillBuffer();
template <typename T>
T ParseSimple();
private:
IZeroCopyInput* const Underlying_;
TBuffer Buffer_;
ui64 ReadBytesCount_ = 0;
char* Position_ = nullptr;
char* End_ = nullptr;
bool Exhausted_ = false;
};
////////////////////////////////////////////////////////////////////////////////
class TCheckedSkiffParser
{
public:
TCheckedSkiffParser(const std::shared_ptr<TSkiffSchema>& schema, IZeroCopyInput* stream);
~TCheckedSkiffParser();
i8 ParseInt8();
i16 ParseInt16();
i32 ParseInt32();
i64 ParseInt64();
ui8 ParseUint8();
ui16 ParseUint16();
ui32 ParseUint32();
ui64 ParseUint64();
TInt128 ParseInt128();
TUint128 ParseUint128();
TInt256 ParseInt256();
TUint256 ParseUint256();
double ParseDouble();
bool ParseBoolean();
TStringBuf ParseString32();
TStringBuf ParseYson32();
ui8 ParseVariant8Tag();
ui16 ParseVariant16Tag();
bool HasMoreData();
void ValidateFinished();
ui64 GetReadBytesCount() const;
private:
TUncheckedSkiffParser Parser_;
std::unique_ptr<TSkiffValidator> Validator_;
};
////////////////////////////////////////////////////////////////////
class TUncheckedSkiffWriter
{
public:
explicit TUncheckedSkiffWriter(IZeroCopyOutput* underlying);
explicit TUncheckedSkiffWriter(IOutputStream* underlying);
TUncheckedSkiffWriter(const std::shared_ptr<TSkiffSchema>& schema, IZeroCopyOutput* underlying);
TUncheckedSkiffWriter(const std::shared_ptr<TSkiffSchema>& schema, IOutputStream* underlying);
~TUncheckedSkiffWriter();
void WriteDouble(double value);
void WriteBoolean(bool value);
void WriteInt8(i8 value);
void WriteInt16(i16 value);
void WriteInt32(i32 value);
void WriteInt64(i64 value);
void WriteUint8(ui8 value);
void WriteUint16(ui16 value);
void WriteUint32(ui32 value);
void WriteUint64(ui64 value);
void WriteInt128(TInt128 value);
void WriteUint128(TUint128 value);
void WriteInt256(const TInt256& value);
void WriteUint256(const TUint256& value);
void WriteString32(TStringBuf value);
void WriteYson32(TStringBuf value);
void WriteVariant8Tag(ui8 tag);
void WriteVariant16Tag(ui16 tag);
void Flush();
void Finish();
private:
template <typename T>
void WriteSimple(T data);
private:
THolder<TBufferedOutput> BufferedOutput_;
TZeroCopyOutputStreamWriter Underlying_;
};
////////////////////////////////////////////////////////////////////////////////
class TCheckedSkiffWriter
{
public:
TCheckedSkiffWriter(const std::shared_ptr<TSkiffSchema>& schema, IZeroCopyOutput* underlying);
TCheckedSkiffWriter(const std::shared_ptr<TSkiffSchema>& schema, IOutputStream* underlying);
~TCheckedSkiffWriter();
void WriteInt8(i8 value);
void WriteInt16(i16 value);
void WriteInt32(i32 value);
void WriteInt64(i64 value);
void WriteUint8(ui8 value);
void WriteUint16(ui16 value);
void WriteUint32(ui32 value);
void WriteUint64(ui64 value);
void WriteDouble(double value);
void WriteBoolean(bool value);
void WriteInt128(TInt128 value);
void WriteUint128(TUint128 value);
void WriteInt256(TInt256 value);
void WriteUint256(TUint256 value);
void WriteString32(TStringBuf value);
void WriteYson32(TStringBuf value);
void WriteVariant8Tag(ui8 tag);
void WriteVariant16Tag(ui16 tag);
void Flush();
void Finish();
private:
TUncheckedSkiffWriter Writer_;
std::unique_ptr<TSkiffValidator> Validator_;
};
////////////////////////////////////////////////////////////////////////////////
template <EWireType wireType>
class TUnderlyingIntegerType {
private:
TUnderlyingIntegerType() = default;
static constexpr auto F();
public:
using TValue = decltype(TUnderlyingIntegerType::F());
};
////////////////////////////////////////////////////////////////////////////////
} // namespace NSkiff
#define SKIFF_H
#include "skiff-inl.h"
#undef SKIFF_H
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