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#include "parser.h"
#include "consumer.h"
#include "format.h"
#include "parser_detail.h"
#include <util/stream/input.h>
#include <util/generic/buffer.h>
namespace NYson {
////////////////////////////////////////////////////////////////////////////////
class TYsonParser::TImpl {
public:
TImpl(
NYT::NYson::IYsonConsumer* consumer,
IInputStream* stream,
EYsonType type,
bool enableLinePositionInfo,
TMaybe<ui64> memoryLimit = Nothing())
: Consumer_(consumer)
, Stream_(stream)
, Type_(type)
, EnableLinePositionInfo_(enableLinePositionInfo)
, MemoryLimit_(memoryLimit)
{
}
void Parse() {
TBuffer buffer(64 << 10);
ParseYsonStreamImpl<NYT::NYson::IYsonConsumer, TStreamReader>(
TStreamReader(Stream_, buffer.Data(), buffer.Capacity()),
Consumer_,
Type_,
EnableLinePositionInfo_,
MemoryLimit_);
}
private:
NYT::NYson::IYsonConsumer* Consumer_;
IInputStream* Stream_;
EYsonType Type_;
bool EnableLinePositionInfo_;
TMaybe<ui64> MemoryLimit_;
};
////////////////////////////////////////////////////////////////////////////////
TYsonParser::TYsonParser(
NYT::NYson::IYsonConsumer* consumer,
IInputStream* stream,
EYsonType type,
bool enableLinePositionInfo,
TMaybe<ui64> memoryLimit)
: Impl(new TImpl(consumer, stream, type, enableLinePositionInfo, memoryLimit))
{
}
TYsonParser::~TYsonParser() {
}
void TYsonParser::Parse() {
Impl->Parse();
}
////////////////////////////////////////////////////////////////////////////////
class TStatelessYsonParser::TImpl {
private:
THolder<TStatelessYsonParserImplBase> Impl;
public:
TImpl(
NYT::NYson::IYsonConsumer* consumer,
bool enableLinePositionInfo,
TMaybe<ui64> memoryLimit)
: Impl(
enableLinePositionInfo
? static_cast<TStatelessYsonParserImplBase*>(new TStatelessYsonParserImpl<NYT::NYson::IYsonConsumer, true>(consumer, memoryLimit))
: static_cast<TStatelessYsonParserImplBase*>(new TStatelessYsonParserImpl<NYT::NYson::IYsonConsumer, false>(consumer, memoryLimit)))
{
}
void Parse(const TStringBuf& data, EYsonType type = ::NYson::EYsonType::Node) {
Impl->Parse(data, type);
}
};
////////////////////////////////////////////////////////////////////////////////
TStatelessYsonParser::TStatelessYsonParser(
NYT::NYson::IYsonConsumer* consumer,
bool enableLinePositionInfo,
TMaybe<ui64> memoryLimit)
: Impl(new TImpl(consumer, enableLinePositionInfo, memoryLimit))
{
}
TStatelessYsonParser::~TStatelessYsonParser() {
}
void TStatelessYsonParser::Parse(const TStringBuf& data, EYsonType type) {
Impl->Parse(data, type);
}
////////////////////////////////////////////////////////////////////////////////
void ParseYsonStringBuffer(
const TStringBuf& buffer,
NYT::NYson::IYsonConsumer* consumer,
EYsonType type,
bool enableLinePositionInfo,
TMaybe<ui64> memoryLimit) {
ParseYsonStreamImpl<NYT::NYson::IYsonConsumer, TStringReader>(
TStringReader(buffer.begin(), buffer.end()),
consumer,
type,
enableLinePositionInfo,
memoryLimit);
}
////////////////////////////////////////////////////////////////////////////////
class TYsonListParser::TImpl {
public:
TImpl(
NYT::NYson::IYsonConsumer* consumer,
IInputStream* stream,
bool enableLinePositionInfo,
TMaybe<ui64> memoryLimit = Nothing())
: Consumer_(consumer)
, Stream_(stream)
, EnableLinePositionInfo_(enableLinePositionInfo)
, MemoryLimit_(memoryLimit)
, Buffer_(64 << 10)
, Reader_(Stream_, Buffer_.Data(), Buffer_.Capacity())
{
}
bool Parse() {
if (!Impl_) {
Impl_.Reset(
EnableLinePositionInfo_
? static_cast<TYsonListParserImplBase*>(new TYsonListParserImpl<NYT::NYson::IYsonConsumer, TStreamReader, true>(Reader_, Consumer_, MemoryLimit_))
: static_cast<TYsonListParserImplBase*>(new TYsonListParserImpl<NYT::NYson::IYsonConsumer, TStreamReader, false>(Reader_, Consumer_, MemoryLimit_)));
}
return Impl_->Parse();
}
private:
NYT::NYson::IYsonConsumer* Consumer_;
IInputStream* Stream_;
bool EnableLinePositionInfo_;
TMaybe<ui64> MemoryLimit_;
TBuffer Buffer_;
TStreamReader Reader_;
THolder<TYsonListParserImplBase> Impl_;
};
////////////////////////////////////////////////////////////////////////////////
TYsonListParser::TYsonListParser(
NYT::NYson::IYsonConsumer* consumer,
IInputStream* stream,
bool enableLinePositionInfo,
TMaybe<ui64> memoryLimit)
: Impl(new TImpl(consumer, stream, enableLinePositionInfo, memoryLimit))
{
}
TYsonListParser::~TYsonListParser() {
}
bool TYsonListParser::Parse() {
return Impl->Parse();
}
////////////////////////////////////////////////////////////////////////////////
} // namespace NYson
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