xref: /aosp_15_r20/frameworks/native/cmds/servicemanager/NameUtil.h (revision 38e8c45f13ce32b0dcecb25141ffecaf386fa17f)
1 /*
2  * Copyright (C) 2023 The Android Open Source Project
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 
17 #pragma once
18 
19 #include <string>
20 #include <string_view>
21 
22 namespace android {
23 
24 #ifndef VENDORSERVICEMANAGER
25 
26 struct NativeName {
27     std::string package;
28     std::string instance;
29 
30     // Parse {package}/{instance}
fillNativeName31     static bool fill(std::string_view name, NativeName* nname) {
32         size_t slash = name.find('/');
33         if (slash == std::string_view::npos) {
34             return false;
35         }
36         // no extra slashes
37         if (name.find('/', slash + 1) != std::string_view::npos) {
38             return false;
39         }
40         // every part should be non-empty
41         if (slash == 0 || slash + 1 == name.size()) {
42             return false;
43         }
44         // no dots in package
45         if (name.rfind('.', slash) != std::string_view::npos) {
46             return false;
47         }
48         nname->package = name.substr(0, slash);
49         nname->instance = name.substr(slash + 1);
50         return true;
51     }
52 };
53 
54 #endif
55 
56 } // namespace android
57