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_ZIPARCHIVE_H 18 #define AAPT_IO_ZIPARCHIVE_H 19 20 #include "ziparchive/zip_archive.h" 21 22 #include <map> 23 24 #include "androidfw/StringPiece.h" 25 26 #include "io/File.h" 27 28 namespace aapt { 29 namespace io { 30 31 /** 32 * An IFile representing a file within a ZIP archive. If the file is compressed, 33 * it is uncompressed 34 * and copied into memory when opened. Otherwise it is mmapped from the ZIP 35 * archive. 36 */ 37 class ZipFile : public IFile { 38 public: 39 ZipFile(ZipArchiveHandle handle, const ZipEntry& entry, const Source& source); 40 41 std::unique_ptr<IData> OpenAsData() override; 42 const Source& GetSource() const override; 43 bool WasCompressed() override; 44 45 private: 46 ZipArchiveHandle zip_handle_; 47 ZipEntry zip_entry_; 48 Source source_; 49 }; 50 51 class ZipFileCollection; 52 53 class ZipFileCollectionIterator : public IFileCollectionIterator { 54 public: 55 explicit ZipFileCollectionIterator(ZipFileCollection* collection); 56 57 bool HasNext() override; 58 io::IFile* Next() override; 59 60 private: 61 std::vector<std::unique_ptr<IFile>>::const_iterator current_, end_; 62 }; 63 64 /** 65 * An IFileCollection that represents a ZIP archive and the entries within it. 66 */ 67 class ZipFileCollection : public IFileCollection { 68 public: 69 static std::unique_ptr<ZipFileCollection> Create(const android::StringPiece& path, 70 std::string* outError); 71 72 io::IFile* FindFile(const android::StringPiece& path) override; 73 std::unique_ptr<IFileCollectionIterator> Iterator() override; 74 75 ~ZipFileCollection() override; 76 77 private: 78 friend class ZipFileCollectionIterator; 79 ZipFileCollection(); 80 81 ZipArchiveHandle handle_; 82 std::vector<std::unique_ptr<IFile>> files_; 83 std::map<std::string, IFile*> files_by_name_; 84 }; 85 86 } // namespace io 87 } // namespace aapt 88 89 #endif /* AAPT_IO_ZIPARCHIVE_H */ 90