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 #ifndef SYSTEM_TOOLS_SYSPROP_CODE_WRITER_H_ 18 #define SYSTEM_TOOLS_SYSPROP_CODE_WRITER_H_ 19 20 #include <string> 21 22 class CodeWriter { 23 public: 24 explicit CodeWriter(std::string indent); 25 26 void Write(const char* format, ...) __attribute__((format(__printf__, 2, 3))); 27 28 void Indent(); 29 void Dedent(); 30 Code()31 const std::string& Code() const { 32 return code_; 33 } 34 35 private: 36 CodeWriter(const CodeWriter&) = delete; 37 CodeWriter& operator=(const CodeWriter&) = delete; 38 39 int indent_level_ = 0; 40 bool start_of_line_ = true; 41 std::string code_; 42 const std::string indent_; 43 }; 44 45 #endif // SYSTEM_TOOLS_SYSPROP_CODE_WRITER_H_ 46