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 // Read-only stream access to Zip archives entries. 18 #pragma once 19 20 #include <ziparchive/zip_archive.h> 21 22 #include <vector> 23 24 #include "android-base/off64_t.h" 25 26 class ZipArchiveStreamEntry { 27 public: ~ZipArchiveStreamEntry()28 virtual ~ZipArchiveStreamEntry() {} 29 30 virtual const std::vector<uint8_t>* Read() = 0; 31 32 virtual bool Verify() = 0; 33 34 static ZipArchiveStreamEntry* Create(ZipArchiveHandle handle, const ZipEntry& entry); 35 static ZipArchiveStreamEntry* CreateRaw(ZipArchiveHandle handle, const ZipEntry& entry); 36 37 protected: ZipArchiveStreamEntry(ZipArchiveHandle handle)38 ZipArchiveStreamEntry(ZipArchiveHandle handle) : handle_(handle) {} 39 40 virtual bool Init(const ZipEntry& entry); 41 42 ZipArchiveHandle handle_; 43 44 off64_t offset_ = 0; 45 uint32_t crc32_ = 0u; 46 }; 47