1 /*
2  * Copyright (C) 2017 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 #ifndef FRAMEWORK_NATIVE_CMDS_LSHAL_UTILS_H_
18 #define FRAMEWORK_NATIVE_CMDS_LSHAL_UTILS_H_
19 
20 #include <iomanip>
21 #include <iostream>
22 #include <string>
23 #include <sstream>
24 #include <utility>
25 #include <vector>
26 
27 namespace android {
28 namespace lshal {
29 
30 enum : unsigned int {
31     OK                                      = 0,
32     // Return to Lshal::main to print help info.
33     USAGE                                   = 1 << 0,
34     // no service managers
35     NO_BINDERIZED_MANAGER                   = 1 << 1,
36     NO_PASSTHROUGH_MANAGER                  = 1 << 2,
37     // general error in getting information from the three sources
38     DUMP_BINDERIZED_ERROR                   = 1 << 3,
39     DUMP_PASSTHROUGH_ERROR                  = 1 << 4,
40     DUMP_ALL_LIBS_ERROR                     = 1 << 5,
41     // I/O error in reading files
42     IO_ERROR                                = 1 << 6,
43     // Interface does not exist (IServiceManager::get fails)
44     NO_INTERFACE                            = 1 << 7,
45     // Transaction error from hwbinder transactions
46     TRANSACTION_ERROR                       = 1 << 8,
47     // No transaction error, but return value is unexpected.
48     BAD_IMPL                                = 1 << 9,
49 };
50 using Status = unsigned int;
51 
52 struct Arg {
53     int argc;
54     char **argv;
55 };
56 
57 template <typename A>
join(const A & components,const std::string & separator)58 std::string join(const A &components, const std::string &separator) {
59     std::stringstream out;
60     bool first = true;
61     for (const auto &component : components) {
62         if (!first) {
63             out << separator;
64         }
65         out << component;
66 
67         first = false;
68     }
69     return out.str();
70 }
71 
72 std::string toHexString(uint64_t t);
73 
74 template<typename String>
splitFirst(const String & s,char c)75 std::pair<String, String> splitFirst(const String &s, char c) {
76     const char *pos = strchr(s.c_str(), c);
77     if (pos == nullptr) {
78         return {s, {}};
79     }
80     return {String(s.c_str(), pos - s.c_str()), String(pos + 1)};
81 }
82 
83 std::vector<std::string> split(const std::string &s, char c);
84 
85 void replaceAll(std::string *s, char from, char to);
86 
87 }  // namespace lshal
88 }  // namespace android
89 
90 #endif  // FRAMEWORK_NATIVE_CMDS_LSHAL_UTILS_H_
91