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
|
// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "testing/libfuzzer/proto/json_proto_converter.h"
namespace json_proto {
void JsonProtoConverter::AppendArray(const ArrayValue& array_value) {
data_ << '[';
bool need_comma = false;
for (const auto& value : array_value.value()) {
// Trailing comma inside of an array makes JSON invalid, avoid adding that.
if (need_comma)
data_ << ',';
else
need_comma = true;
AppendValue(value);
}
data_ << ']';
}
void JsonProtoConverter::AppendNumber(const NumberValue& number_value) {
if (number_value.has_float_value()) {
data_ << number_value.float_value().value();
} else if (number_value.has_exponent_value()) {
auto value = number_value.exponent_value();
data_ << value.base();
data_ << (value.use_uppercase() ? 'E' : 'e');
data_ << value.exponent();
} else if (number_value.has_exponent_frac_value()) {
auto value = number_value.exponent_value();
data_ << value.base();
data_ << (value.use_uppercase() ? 'E' : 'e');
data_ << value.exponent();
} else {
data_ << number_value.integer_value().value();
}
}
void JsonProtoConverter::AppendObject(const JsonObject& json_object) {
data_ << '{';
bool leading_comma = false;
for (const auto& field : json_object.field()) {
if (leading_comma) {
data_ << ",";
}
leading_comma = true;
data_ << '"' << field.name() << '"' << ':';
AppendValue(field.value());
}
data_ << '}';
}
void JsonProtoConverter::AppendValue(const JsonValue& json_value) {
if (json_value.has_object_value()) {
AppendObject(json_value.object_value());
} else if (json_value.has_array_value()) {
AppendArray(json_value.array_value());
} else if (json_value.has_number_value()) {
AppendNumber(json_value.number_value());
} else if (json_value.has_string_value()) {
data_ << '"' << json_value.string_value().value() << '"';
} else if (json_value.has_boolean_value()) {
data_ << (json_value.boolean_value().value() ? "true" : "false");
} else {
data_ << "null";
}
}
std::string JsonProtoConverter::Convert(const JsonValue& json_value) {
AppendValue(json_value);
return data_.str();
}
std::string JsonProtoConverter::Convert(const JsonObject& json_object) {
AppendObject(json_object);
return data_.str();
}
std::string JsonProtoConverter::Convert(
const json_proto::ArrayValue& json_array) {
AppendArray(json_array);
return data_.str();
}
} // namespace json_proto
|
