1// Copyright (c) 2011 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef THIRD_PARTY_ZLIB_GOOGLE_ZIP_INTERNAL_H_
6#define THIRD_PARTY_ZLIB_GOOGLE_ZIP_INTERNAL_H_
7
8#if defined(OS_WIN)
9#include <windows.h>
10#endif
11
12#include <string>
13
14#if defined(USE_SYSTEM_MINIZIP)
15#include <minizip/unzip.h>
16#include <minizip/zip.h>
17#else
18#include "third_party/zlib/contrib/minizip/unzip.h"
19#include "third_party/zlib/contrib/minizip/zip.h"
20#endif
21
22namespace base {
23class FilePath;
24}
25
26// Utility functions and constants used internally for the zip file
27// library in the directory. Don't use them outside of the library.
28namespace zip {
29namespace internal {
30
31// Opens the given file name in UTF-8 for unzipping, with some setup for
32// Windows.
33unzFile OpenForUnzipping(const std::string& file_name_utf8);
34
35#if defined(OS_POSIX)
36// Opens the file referred to by |zip_fd| for unzipping.
37unzFile OpenFdForUnzipping(int zip_fd);
38#endif
39
40#if defined(OS_WIN)
41// Opens the file referred to by |zip_handle| for unzipping.
42unzFile OpenHandleForUnzipping(HANDLE zip_handle);
43#endif
44
45// Creates a custom unzFile object which reads data from the specified string.
46// This custom unzFile object overrides the I/O API functions of zlib so it can
47// read data from the specified string.
48unzFile PrepareMemoryForUnzipping(const std::string& data);
49
50// Opens the given file name in UTF-8 for zipping, with some setup for
51// Windows. |append_flag| will be passed to zipOpen2().
52zipFile OpenForZipping(const std::string& file_name_utf8, int append_flag);
53
54#if defined(OS_POSIX)
55// Opens the file referred to by |zip_fd| for zipping. |append_flag| will be
56// passed to zipOpen2().
57zipFile OpenFdForZipping(int zip_fd, int append_flag);
58#endif
59
60// Returns a zip_fileinfo with the last modification date of |path| set.
61zip_fileinfo GetFileInfoForZipping(const base::FilePath& path);
62
63// Wrapper around zipOpenNewFileInZip4 which passes most common options.
64bool ZipOpenNewFileInZip(zipFile zip_file,
65                         const std::string& str_path,
66                         const zip_fileinfo* file_info);
67
68const int kZipMaxPath = 256;
69const int kZipBufSize = 8192;
70
71}  // namespace internal
72}  // namespace zip
73
74#endif  // THIRD_PARTY_ZLIB_GOOGLE_ZIP_INTERNAL_H_
75