1 /* 2 * Copyright (C) 2015, 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 "import_resolver.h" 18 19 #include <unistd.h> 20 21 #ifdef _WIN32 22 #include <io.h> 23 #endif 24 25 #include "os.h" 26 27 using std::string; 28 using std::vector; 29 30 namespace android { 31 namespace aidl { 32 33 ImportResolver::ImportResolver(const IoDelegate& io_delegate, 34 const vector<string>& import_paths) 35 : io_delegate_(io_delegate) { 36 for (string path : import_paths) { 37 if (path.empty()) { 38 path = "."; 39 } 40 if (path[path.size() - 1] != OS_PATH_SEPARATOR) { 41 path += OS_PATH_SEPARATOR; 42 } 43 import_paths_.push_back(std::move(path)); 44 } 45 } 46 47 48 string ImportResolver::FindImportFile(const string& canonical_name) const { 49 // Convert the canonical name to a relative file path. 50 string relative_path = canonical_name; 51 for (char& c : relative_path) { 52 if (c == '.') { 53 c = OS_PATH_SEPARATOR; 54 } 55 } 56 relative_path += ".aidl"; 57 58 // Look for that relative path at each of our import roots. 59 for (string path : import_paths_) { 60 path = path + relative_path; 61 if (io_delegate_.FileIsReadable(path)) { 62 return path; 63 } 64 } 65 66 return ""; 67 } 68 69 } // namespace android 70 } // namespace aidl 71
