xref: /aosp_15_r20/frameworks/native/cmds/servicemanager/NameUtil.h (revision 38e8c45f13ce32b0dcecb25141ffecaf386fa17f)
1*38e8c45fSAndroid Build Coastguard Worker /*
2*38e8c45fSAndroid Build Coastguard Worker  * Copyright (C) 2023 The Android Open Source Project
3*38e8c45fSAndroid Build Coastguard Worker  *
4*38e8c45fSAndroid Build Coastguard Worker  * Licensed under the Apache License, Version 2.0 (the "License");
5*38e8c45fSAndroid Build Coastguard Worker  * you may not use this file except in compliance with the License.
6*38e8c45fSAndroid Build Coastguard Worker  * You may obtain a copy of the License at
7*38e8c45fSAndroid Build Coastguard Worker  *
8*38e8c45fSAndroid Build Coastguard Worker  *      http://www.apache.org/licenses/LICENSE-2.0
9*38e8c45fSAndroid Build Coastguard Worker  *
10*38e8c45fSAndroid Build Coastguard Worker  * Unless required by applicable law or agreed to in writing, software
11*38e8c45fSAndroid Build Coastguard Worker  * distributed under the License is distributed on an "AS IS" BASIS,
12*38e8c45fSAndroid Build Coastguard Worker  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13*38e8c45fSAndroid Build Coastguard Worker  * See the License for the specific language governing permissions and
14*38e8c45fSAndroid Build Coastguard Worker  * limitations under the License.
15*38e8c45fSAndroid Build Coastguard Worker  */
16*38e8c45fSAndroid Build Coastguard Worker 
17*38e8c45fSAndroid Build Coastguard Worker #pragma once
18*38e8c45fSAndroid Build Coastguard Worker 
19*38e8c45fSAndroid Build Coastguard Worker #include <string>
20*38e8c45fSAndroid Build Coastguard Worker #include <string_view>
21*38e8c45fSAndroid Build Coastguard Worker 
22*38e8c45fSAndroid Build Coastguard Worker namespace android {
23*38e8c45fSAndroid Build Coastguard Worker 
24*38e8c45fSAndroid Build Coastguard Worker #ifndef VENDORSERVICEMANAGER
25*38e8c45fSAndroid Build Coastguard Worker 
26*38e8c45fSAndroid Build Coastguard Worker struct NativeName {
27*38e8c45fSAndroid Build Coastguard Worker     std::string package;
28*38e8c45fSAndroid Build Coastguard Worker     std::string instance;
29*38e8c45fSAndroid Build Coastguard Worker 
30*38e8c45fSAndroid Build Coastguard Worker     // Parse {package}/{instance}
fillNativeName31*38e8c45fSAndroid Build Coastguard Worker     static bool fill(std::string_view name, NativeName* nname) {
32*38e8c45fSAndroid Build Coastguard Worker         size_t slash = name.find('/');
33*38e8c45fSAndroid Build Coastguard Worker         if (slash == std::string_view::npos) {
34*38e8c45fSAndroid Build Coastguard Worker             return false;
35*38e8c45fSAndroid Build Coastguard Worker         }
36*38e8c45fSAndroid Build Coastguard Worker         // no extra slashes
37*38e8c45fSAndroid Build Coastguard Worker         if (name.find('/', slash + 1) != std::string_view::npos) {
38*38e8c45fSAndroid Build Coastguard Worker             return false;
39*38e8c45fSAndroid Build Coastguard Worker         }
40*38e8c45fSAndroid Build Coastguard Worker         // every part should be non-empty
41*38e8c45fSAndroid Build Coastguard Worker         if (slash == 0 || slash + 1 == name.size()) {
42*38e8c45fSAndroid Build Coastguard Worker             return false;
43*38e8c45fSAndroid Build Coastguard Worker         }
44*38e8c45fSAndroid Build Coastguard Worker         // no dots in package
45*38e8c45fSAndroid Build Coastguard Worker         if (name.rfind('.', slash) != std::string_view::npos) {
46*38e8c45fSAndroid Build Coastguard Worker             return false;
47*38e8c45fSAndroid Build Coastguard Worker         }
48*38e8c45fSAndroid Build Coastguard Worker         nname->package = name.substr(0, slash);
49*38e8c45fSAndroid Build Coastguard Worker         nname->instance = name.substr(slash + 1);
50*38e8c45fSAndroid Build Coastguard Worker         return true;
51*38e8c45fSAndroid Build Coastguard Worker     }
52*38e8c45fSAndroid Build Coastguard Worker };
53*38e8c45fSAndroid Build Coastguard Worker 
54*38e8c45fSAndroid Build Coastguard Worker #endif
55*38e8c45fSAndroid Build Coastguard Worker 
56*38e8c45fSAndroid Build Coastguard Worker } // namespace android
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