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 "io/File.h" 21 22 #include <map> 23 24 namespace aapt { 25 namespace io { 26 27 /** 28 * A regular file from the file system. Uses mmap to open the data. 29 */ 30 class RegularFile : public IFile { 31 public: 32 RegularFile(const Source& source); 33 34 std::unique_ptr<IData> openAsData() override; 35 const Source& getSource() const override; 36 37 private: 38 Source mSource; 39 }; 40 41 class FileCollection; 42 43 class FileCollectionIterator : public IFileCollectionIterator { 44 public: 45 FileCollectionIterator(FileCollection* collection); 46 47 bool hasNext() override; 48 io::IFile* next() override; 49 50 private: 51 std::map<std::string, std::unique_ptr<IFile>>::const_iterator mCurrent, mEnd; 52 }; 53 54 /** 55 * An IFileCollection representing the file system. 56 */ 57 class FileCollection : public IFileCollection { 58 public: 59 /** 60 * Adds a file located at path. Returns the IFile representation of that file. 61 */ 62 IFile* insertFile(const StringPiece& path); 63 IFile* findFile(const StringPiece& path) override; 64 std::unique_ptr<IFileCollectionIterator> iterator() override; 65 66 private: 67 friend class FileCollectionIterator; 68 std::map<std::string, std::unique_ptr<IFile>> mFiles; 69 }; 70 71 } // namespace io 72 } // namespace aapt 73 74 #endif // AAPT_IO_FILESYSTEM_H 75
