1 /*
2 * Copyright (C) 2018 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 #include "hidden_api.h"
18
19 #include <fstream>
20 #include <sstream>
21
22 #include "dex/dex_file-inl.h"
23
24 namespace art {
25
GetApiMethodName(const DexFile & dex_file,uint32_t method_index)26 std::string HiddenApi::GetApiMethodName(const DexFile& dex_file, uint32_t method_index) {
27 std::stringstream ss;
28 const DexFile::MethodId& method_id = dex_file.GetMethodId(method_index);
29 ss << dex_file.StringByTypeIdx(method_id.class_idx_)
30 << "->"
31 << dex_file.GetMethodName(method_id)
32 << dex_file.GetMethodSignature(method_id).ToString();
33 return ss.str();
34 }
35
GetApiFieldName(const DexFile & dex_file,uint32_t field_index)36 std::string HiddenApi::GetApiFieldName(const DexFile& dex_file, uint32_t field_index) {
37 std::stringstream ss;
38 const DexFile::FieldId& field_id = dex_file.GetFieldId(field_index);
39 ss << dex_file.StringByTypeIdx(field_id.class_idx_)
40 << "->"
41 << dex_file.GetFieldName(field_id)
42 << ":"
43 << dex_file.GetFieldTypeDescriptor(field_id);
44 return ss.str();
45 }
46
FillList(const char * filename,std::set<std::string> & entries)47 void HiddenApi::FillList(const char* filename, std::set<std::string>& entries) {
48 if (filename == nullptr) {
49 return;
50 }
51 std::ifstream in(filename);
52 std::string str;
53 while (std::getline(in, str)) {
54 entries.insert(str);
55 size_t pos = str.find("->");
56 if (pos != std::string::npos) {
57 // Add the class name.
58 entries.insert(str.substr(0, pos));
59 pos = str.find('(');
60 if (pos != std::string::npos) {
61 // Add the class->method name (so stripping the signature).
62 entries.insert(str.substr(0, pos));
63 }
64 pos = str.find(':');
65 if (pos != std::string::npos) {
66 // Add the class->field name (so stripping the type).
67 entries.insert(str.substr(0, pos));
68 }
69 }
70 }
71 }
72
73 } // namespace art
74