1 /**
2  * Copyright © 2020 IBM Corporation
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *     http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 #pragma once
17 
18 #include "journal.hpp"
19 
20 #include <exception>
21 #include <string>
22 #include <vector>
23 
24 /**
25  * @namespace exception_utils
26  *
27  * Contains utility functions for handling exceptions.
28  */
29 namespace phosphor::power::regulators::exception_utils
30 {
31 
32 /**
33  * Gets the error messages from the specified exception and any nested inner
34  * exceptions.
35  *
36  * If the exception contains nested inner exceptions, the messages in the
37  * returned vector will be ordered from innermost exception to outermost
38  * exception.
39  *
40  * @param e exception
41  * @return error messages from exceptions
42  */
43 std::vector<std::string> getMessages(const std::exception& e);
44 
45 /*
46  * Internal implementation details
47  */
48 namespace internal
49 {
50 
51 /**
52  * Gets the error messages from the specified exception and any nested inner
53  * exceptions.
54  *
55  * Stores the error messages in the specified vector, from innermost exception
56  * to outermost exception.
57  *
58  * @param e exception
59  * @param messages vector where error messages will be stored
60  */
61 void getMessages(const std::exception& e, std::vector<std::string>& messages);
62 
63 } // namespace internal
64 
65 } // namespace phosphor::power::regulators::exception_utils
66