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 #ifndef LIBZIPARCHIVE_ZIPARCHIVESTREAMENTRY_H_
19 #define LIBZIPARCHIVE_ZIPARCHIVESTREAMENTRY_H_
20 
21 #include <vector>
22 
23 #include <ziparchive/zip_archive.h>
24 
25 class ZipArchiveStreamEntry {
26  public:
~ZipArchiveStreamEntry()27   virtual ~ZipArchiveStreamEntry() {}
28 
29   virtual const std::vector<uint8_t>* Read() = 0;
30 
31   virtual bool Verify() = 0;
32 
33   static ZipArchiveStreamEntry* Create(ZipArchiveHandle handle, const ZipEntry& entry);
34   static ZipArchiveStreamEntry* CreateRaw(ZipArchiveHandle handle, const ZipEntry& entry);
35 
36  protected:
ZipArchiveStreamEntry(ZipArchiveHandle handle)37   ZipArchiveStreamEntry(ZipArchiveHandle handle) : handle_(handle) {}
38 
39   virtual bool Init(const ZipEntry& entry);
40 
41   ZipArchiveHandle handle_;
42 
43   uint32_t crc32_;
44 };
45 
46 #endif  // LIBZIPARCHIVE_ZIPARCHIVESTREAMENTRY_H_
47