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 AAPT_IO_FILESYSTEM_H 18 #define AAPT_IO_FILESYSTEM_H 19 20 #include <map> 21 22 #include "io/File.h" 23 24 namespace aapt { 25 namespace io { 26 27 // A regular file from the file system. Uses mmap to open the data. 28 class RegularFile : public IFile { 29 public: 30 explicit RegularFile(const Source& source); 31 32 std::unique_ptr<IData> OpenAsData() override; 33 std::unique_ptr<io::InputStream> OpenInputStream() override; 34 const Source& GetSource() const override; 35 36 private: 37 DISALLOW_COPY_AND_ASSIGN(RegularFile); 38 39 Source source_; 40 }; 41 42 class FileCollection; 43 44 class FileCollectionIterator : public IFileCollectionIterator { 45 public: 46 explicit FileCollectionIterator(FileCollection* collection); 47 48 bool HasNext() override; 49 io::IFile* Next() override; 50 51 private: 52 DISALLOW_COPY_AND_ASSIGN(FileCollectionIterator); 53 54 std::map<std::string, std::unique_ptr<IFile>>::const_iterator current_, end_; 55 }; 56 57 // An IFileCollection representing the file system. 58 class FileCollection : public IFileCollection { 59 public: 60 FileCollection() = default; 61 62 // Adds a file located at path. Returns the IFile representation of that file. 63 IFile* InsertFile(const android::StringPiece& path); 64 IFile* FindFile(const android::StringPiece& path) override; 65 std::unique_ptr<IFileCollectionIterator> Iterator() override; 66 67 private: 68 DISALLOW_COPY_AND_ASSIGN(FileCollection); 69 70 friend class FileCollectionIterator; 71 72 std::map<std::string, std::unique_ptr<IFile>> files_; 73 }; 74 75 } // namespace io 76 } // namespace aapt 77 78 #endif // AAPT_IO_FILESYSTEM_H 79
