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_CODE_WRITER_H_ 18 #define AIDL_CODE_WRITER_H_ 19 20 #include <memory> 21 #include <string> 22 23 #include <stdio.h> 24 25 #include <android-base/macros.h> 26 27 namespace android { 28 namespace aidl { 29 30 class CodeWriter { 31 public: 32 // Write a formatted string to this writer in the usual printf sense. 33 // Returns false on error. 34 virtual bool Write(const char* format, ...) = 0; 35 virtual bool Close() = 0; 36 virtual ~CodeWriter() = default; 37 }; // class CodeWriter 38 39 using CodeWriterPtr = std::unique_ptr<CodeWriter>; 40 41 // Get a CodeWriter that writes to |output_file|. 42 CodeWriterPtr GetFileWriter(const std::string& output_file); 43 44 // Get a CodeWriter that writes to a string buffer. 45 // Caller retains ownership of the buffer. 46 // The buffer must outlive the CodeWriter. 47 CodeWriterPtr GetStringWriter(std::string* output_buffer); 48 49 } // namespace aidl 50 } // namespace android 51 52 #endif // AIDL_CODE_WRITER_H_ 53