/src/json_proto_converter.cc
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1 | | // Copyright 2020 Google Inc. |
2 | | // |
3 | | // Licensed under the Apache License, Version 2.0 (the "License"); |
4 | | // you may not use this file except in compliance with the License. |
5 | | // You may obtain a copy of the License at |
6 | | // |
7 | | // http://www.apache.org/licenses/LICENSE-2.0 |
8 | | // |
9 | | // Unless required by applicable law or agreed to in writing, software |
10 | | // distributed under the License is distributed on an "AS IS" BASIS, |
11 | | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
12 | | // See the License for the specific language governing permissions and |
13 | | // limitations under the License. |
14 | | // |
15 | | //////////////////////////////////////////////////////////////////////////////// |
16 | | |
17 | | #include "json_proto_converter.h" |
18 | | |
19 | | namespace json_proto { |
20 | | |
21 | 1.01k | void JsonProtoConverter::AppendArray(const ArrayValue& array_value) { |
22 | 1.01k | data_ << '['; |
23 | 1.01k | bool need_comma = false; |
24 | 5.20k | for (const auto& value : array_value.value()) { |
25 | | // Trailing comma inside of an array makes JSON invalid, avoid adding that. |
26 | 5.20k | if (need_comma) |
27 | 4.58k | data_ << ','; |
28 | 612 | else |
29 | 612 | need_comma = true; |
30 | | |
31 | 5.20k | AppendValue(value); |
32 | 5.20k | } |
33 | 1.01k | data_ << ']'; |
34 | 1.01k | } |
35 | | |
36 | 1.22k | void JsonProtoConverter::AppendNumber(const NumberValue& number_value) { |
37 | 1.22k | if (number_value.has_float_value()) { |
38 | 209 | data_ << number_value.float_value().value(); |
39 | 1.01k | } else if (number_value.has_exponent_value()) { |
40 | 365 | auto value = number_value.exponent_value(); |
41 | 365 | data_ << value.base(); |
42 | 365 | data_ << (value.use_uppercase() ? 'E' : 'e'); |
43 | 365 | data_ << value.exponent(); |
44 | 649 | } else if (number_value.has_exponent_frac_value()) { |
45 | 204 | auto value = number_value.exponent_value(); |
46 | 204 | data_ << value.base(); |
47 | 204 | data_ << (value.use_uppercase() ? 'E' : 'e'); |
48 | 204 | data_ << value.exponent(); |
49 | 445 | } else { |
50 | 445 | data_ << number_value.integer_value().value(); |
51 | 445 | } |
52 | 1.22k | } |
53 | | |
54 | 3.90k | void JsonProtoConverter::AppendObject(const JsonObject& json_object) { |
55 | 3.90k | data_ << '{' << '"' << json_object.name() << '"' << ':'; |
56 | 3.90k | AppendValue(json_object.value()); |
57 | 3.90k | data_ << '}'; |
58 | 3.90k | } |
59 | | |
60 | 9.10k | void JsonProtoConverter::AppendValue(const JsonValue& json_value) { |
61 | 9.10k | if (json_value.has_object_value()) { |
62 | 1.07k | AppendObject(json_value.object_value()); |
63 | 8.02k | } else if (json_value.has_array_value()) { |
64 | 1.01k | AppendArray(json_value.array_value()); |
65 | 7.01k | } else if (json_value.has_number_value()) { |
66 | 1.22k | AppendNumber(json_value.number_value()); |
67 | 5.79k | } else if (json_value.has_string_value()) { |
68 | 566 | data_ << '"' << json_value.string_value().value() << '"'; |
69 | 5.22k | } else if (json_value.has_boolean_value()) { |
70 | 201 | data_ << (json_value.boolean_value().value() ? "true" : "false"); |
71 | 5.02k | } else { |
72 | 5.02k | data_ << "null"; |
73 | 5.02k | } |
74 | 9.10k | } |
75 | | |
76 | 2.82k | std::string JsonProtoConverter::Convert(const JsonObject& json_object) { |
77 | 2.82k | AppendObject(json_object); |
78 | 2.82k | return data_.str(); |
79 | 2.82k | } |
80 | | |
81 | | std::string JsonProtoConverter::Convert( |
82 | 0 | const json_proto::ArrayValue& json_array) { |
83 | 0 | AppendArray(json_array); |
84 | 0 | return data_.str(); |
85 | 0 | } |
86 | | |
87 | | } // namespace json_proto |