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