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 #ifndef AIDL_IO_DELEGATE_H_ 18 #define AIDL_IO_DELEGATE_H_ 19 20 #include <android-base/macros.h> 21 22 #include <memory> 23 #include <string> 24 #include <vector> 25 26 #include "code_writer.h" 27 #include "line_reader.h" 28 29 namespace android { 30 namespace aidl { 31 32 class IoDelegate { 33 public: 34 IoDelegate() = default; 35 virtual ~IoDelegate() = default; 36 37 // Stores an absolute version of |path| to |*absolute_path|, 38 // possibly prefixing it with the current working directory. 39 // Returns false and does not set |*absolute_path| on error. 40 static bool GetAbsolutePath(const std::string& path, 41 std::string* absolute_path); 42 43 // Returns a unique_ptr to the contents of |filename|. 44 // Will append the optional |content_suffix| to the returned contents. 45 virtual std::unique_ptr<std::string> GetFileContents( 46 const std::string& filename, 47 const std::string& content_suffix = "") const; 48 49 virtual std::unique_ptr<LineReader> GetLineReader( 50 const std::string& file_path) const; 51 52 virtual bool FileIsReadable(const std::string& path) const; 53 54 virtual bool CreatedNestedDirs( 55 const std::string& base_dir, 56 const std::vector<std::string>& nested_subdirs) const; 57 58 bool CreatePathForFile(const std::string& path) const; 59 60 virtual std::unique_ptr<CodeWriter> GetCodeWriter( 61 const std::string& file_path) const; 62 63 virtual void RemovePath(const std::string& file_path) const; 64 65 private: 66 DISALLOW_COPY_AND_ASSIGN(IoDelegate); 67 }; // class IoDelegate 68 69 } // namespace android 70 } // namespace aidl 71 72 #endif // AIDL_IO_DELEGATE_H_ 73