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 #pragma once
18 
19 #include <set>
20 #include <string>
21 
22 #include "io_delegate.h"
23 
24 namespace android {
25 namespace aidl {
26 
27 class ImportResolver {
28  public:
29   ImportResolver(const IoDelegate& io_delegate, const std::string& input_file_name,
30                  const std::set<std::string>& import_paths);
31   virtual ~ImportResolver() = default;
32 
33   // non-copyable, non-movable
34   ImportResolver(const ImportResolver&) = delete;
35   ImportResolver(ImportResolver&&) = delete;
36   ImportResolver& operator=(const ImportResolver&) = delete;
37   ImportResolver& operator=(ImportResolver&&) = delete;
38 
39   // Resolve the canonical name for a class to a file that exists
40   // in one of the import paths given to the ImportResolver.
41   std::string FindImportFile(const std::string& canonical_name) const;
42 
43  private:
44   std::set<std::string> ScanImportPaths(const std::string& relative_path) const;
45 
46   const IoDelegate& io_delegate_;
47   const std::string& input_file_name_;
48   std::set<std::string> import_paths_;
49 };
50 
51 }  // namespace aidl
52 }  // namespace android
53