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