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1 /**
2  * Copyright (c) 2022-2024 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 #include "location.h"
17 #include "numeric_id.h"
18 
19 #include "utils/expected.h"
20 #include "utils/json_builder.h"
21 #include "utils/json_parser.h"
22 
23 #include <cfloat>
24 #include <cmath>
25 #include <string>
26 
27 using namespace std::literals::string_literals;  // NOLINT(google-build-using-namespace)
28 
29 namespace ark::tooling::inspector {
FromJsonProperty(const JsonObject & object,const char * propertyName)30 Expected<Location, std::string> Location::FromJsonProperty(const JsonObject &object, const char *propertyName)
31 {
32     auto property = object.GetValue<JsonObject::JsonObjPointer>(propertyName);
33     if (property == nullptr) {
34         return Unexpected("No such property: "s + propertyName);
35     }
36 
37     auto scriptId = ParseNumericId<ScriptId>(**property, "scriptId");
38     if (!scriptId) {
39         return Unexpected(scriptId.Error());
40     }
41 
42     auto lineNumber = property->get()->GetValue<JsonObject::NumT>("lineNumber");
43     if (lineNumber == nullptr) {
44         return Unexpected("Invalid Location: No 'lineNumber' property"s);
45     }
46 
47     auto lineNumberTrunc = std::trunc(*lineNumber);
48     if (*lineNumber < 0 || *lineNumber - lineNumberTrunc > lineNumberTrunc * DBL_EPSILON) {
49         return Unexpected("Invalid line number: " + std::to_string(*lineNumber));
50     }
51 
52     return Location(*scriptId, lineNumberTrunc + 1);
53 }
54 
ToJson() const55 std::function<void(JsonObjectBuilder &)> Location::ToJson() const
56 {
57     return [this](JsonObjectBuilder &jsonBuilder) {
58         jsonBuilder.AddProperty("scriptId", std::to_string(scriptId_));
59         jsonBuilder.AddProperty("lineNumber", lineNumber_ - 1);
60     };
61 }
62 }  // namespace ark::tooling::inspector
63