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
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
#include "contrib/libs/apache/arrow_next/cpp/src/arrow/json/object_parser.h"
#include "contrib/libs/apache/arrow_next/cpp/src/arrow/json/rapidjson_defs.h" // IWYU pragma: keep
#include <rapidjson/document.h>
namespace arrow20 {
namespace json {
namespace internal {
namespace rj = arrow20::rapidjson;
class ObjectParser::Impl {
public:
Status Parse(std::string_view json) {
document_.Parse(reinterpret_cast<const rj::Document::Ch*>(json.data()),
static_cast<size_t>(json.size()));
if (document_.HasParseError()) {
return Status::Invalid("Json parse error (offset ", document_.GetErrorOffset(),
"): ", document_.GetParseError());
}
if (!document_.IsObject()) {
return Status::TypeError("Not a json object");
}
return Status::OK();
}
Result<std::string> GetString(const char* key) const {
if (!document_.HasMember(key)) {
return Status::KeyError("Key '", key, "' does not exist");
}
if (!document_[key].IsString()) {
return Status::TypeError("Key '", key, "' is not a string");
}
return document_[key].GetString();
}
Result<std::unordered_map<std::string, std::string>> GetStringMap() const {
std::unordered_map<std::string, std::string> map;
for (auto itr = document_.MemberBegin(); itr != document_.MemberEnd(); ++itr) {
const auto& json_name = itr->name;
const auto& json_value = itr->value;
if (!json_name.IsString()) {
return Status::TypeError("Key is not a string");
}
std::string name = json_name.GetString();
if (!json_value.IsString()) {
return Status::TypeError("Key '", name, "' does not have a string value");
}
std::string value = json_value.GetString();
map.insert({std::move(name), std::move(value)});
}
return map;
}
Result<bool> GetBool(const char* key) const {
if (!document_.HasMember(key)) {
return Status::KeyError("Key '", key, "' does not exist");
}
if (!document_[key].IsBool()) {
return Status::TypeError("Key '", key, "' is not a boolean");
}
return document_[key].GetBool();
}
private:
rj::Document document_;
};
ObjectParser::ObjectParser() : impl_(new ObjectParser::Impl()) {}
ObjectParser::~ObjectParser() = default;
Status ObjectParser::Parse(std::string_view json) { return impl_->Parse(json); }
Result<std::string> ObjectParser::GetString(const char* key) const {
return impl_->GetString(key);
}
Result<bool> ObjectParser::GetBool(const char* key) const { return impl_->GetBool(key); }
Result<std::unordered_map<std::string, std::string>> ObjectParser::GetStringMap() const {
return impl_->GetStringMap();
}
} // namespace internal
} // namespace json
} // namespace arrow20
|
