blob: 1239476c3ccfd66d47d6c3fce7851e97e344da27 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
#pragma once
#include "public.h"
#include "async_consumer.h"
namespace NYT::NYson {
////////////////////////////////////////////////////////////////////////////////
//! Consumes a map fragment representing the attributes
//! and if the fragment is non-empty then encloses it with angle brackets.
class TAttributeFragmentConsumer
: public IAsyncYsonConsumer
{
public:
explicit TAttributeFragmentConsumer(IAsyncYsonConsumer* underlyingConsumer);
~TAttributeFragmentConsumer();
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;
using IAsyncYsonConsumer::OnRaw;
void OnRaw(TStringBuf yson, EYsonType type) override;
void OnRaw(TFuture<TYsonString> asyncStr) override;
void Finish();
private:
IAsyncYsonConsumer* const UnderlyingConsumer_;
bool HasAttributes_ = false;
bool Finished_ = false;
void Start();
};
////////////////////////////////////////////////////////////////////////////////
//! Consumes an attribute value and if it is non-empty then prepends it with
//! the attribute key.
class TAttributeValueConsumer
: public IAsyncYsonConsumer
{
public:
TAttributeValueConsumer(
IAsyncYsonConsumer* underlyingConsumer,
TString key);
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;
using IYsonConsumer::OnRaw;
void OnRaw(TStringBuf yson, EYsonType type) override;
void OnRaw(TFuture<TYsonString> asyncStr) override;
private:
IAsyncYsonConsumer* const UnderlyingConsumer_;
const TString Key_;
bool Empty_ = true;
void ProduceKeyIfNeeded();
};
////////////////////////////////////////////////////////////////////////////////
} // namespace NYT::NYson
|
