1 /**
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
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 #ifndef PANDA_TOOLING_INSPECTOR_JSON_PROPERTY_H
17 #define PANDA_TOOLING_INSPECTOR_JSON_PROPERTY_H
18
19 #include "utils/json_parser.h"
20 #include "utils/logger.h"
21
22 #include <string>
23 #include <type_traits>
24
25 namespace panda::tooling::inspector {
26 template <typename PropertyType, typename Result, typename... Key>
GetProperty(Result & result,const JsonObject & object,const JsonObject::Key & key,const Key &...keys)27 bool GetProperty(Result &result, const JsonObject &object, const JsonObject::Key &key, const Key &... keys)
28 {
29 if constexpr (sizeof...(keys) > 0) { // NOLINT(bugprone-suspicious-semicolon,readability-braces-around-statements)
30 auto *ptr = object.GetValue<JsonObject::JsonObjPointer>(key);
31 return ptr && GetProperty<PropertyType>(result, **ptr, keys...);
32 }
33
34 auto *ptr = object.GetValue<PropertyType>(key);
35 if (!ptr) {
36 return false;
37 }
38
39 if constexpr (std::is_scalar_v<PropertyType>) { // NOLINT(readability-braces-around-statements)
40 result = *ptr;
41 // NOLINTNEXTLINE(readability-braces-around-statements,readability-misleading-indentation)
42 } else if constexpr (std::is_same_v<PropertyType, JsonObject::JsonObjPointer>) {
43 result = ptr->get();
44 } else { // NOLINT(readability-misleading-indentation)
45 result = ptr;
46 }
47 return true;
48 }
49
50 template <typename PropertyType, typename Result, typename... Key>
GetPropertyOrLog(Result & result,const JsonObject & object,const JsonObject::Key & key,const Key &...keys)51 bool GetPropertyOrLog(Result &result, const JsonObject &object, const JsonObject::Key &key, const Key &... keys)
52 {
53 using namespace std::literals::string_literals;
54
55 if (GetProperty<PropertyType>(result, object, key, keys...)) {
56 return true;
57 }
58
59 LOG(INFO, DEBUGGER) << "No '" << (key + ... + ("."s + keys)) << "' property";
60 return false;
61 }
62 } // namespace panda::tooling::inspector
63
64 #endif // PANDA_TOOLING_INSPECTOR_JSON_PROPERTY_H
65