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