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